test.c

/**
 * @file test.c
 * Unit tests for the Apteryx API
 *
 * Copyright 2014, Allied Telesis Labs New Zealand, Ltd
 *
 * This library is free software; you can redistribute it and/or
 * modify it under the terms of the GNU Lesser General Public
 * License as published by the Free Software Foundation; either
 * version 3 of the License, or (at your option) any later version.
 *
 * This library is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
 * Lesser General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License
 * along with this library. If not, see <http://www.gnu.org/licenses/>
 */
#include <stdlib.h>
#include <string.h>
#include <stdio.h>
#include <sys/types.h>
#include <unistd.h>
#include <pthread.h>
#include <sys/time.h>
#include <sys/wait.h>
#include <sys/un.h>
#include <sys/poll.h>
#include <assert.h>
#ifdef HAVE_LUA
#include <lua.h>
#include <lualib.h>
#include <lauxlib.h>
#endif
#include <CUnit/CUnit.h>
#include <CUnit/Basic.h>
#include "apteryx.h"
#include "internal.h"

#define TEST_PATH           "/test"
#define TEST2_PATH          "/test2"
#define TEST_ITERATIONS     1000
#define TEST_SLEEP_TIMEOUT  100000
#define TEST_TCP_URL        "tcp://127.0.0.1:9999"
#define TEST_TCP6_URL       "tcp://[::1]:9999"
#define TEST_RPC_PATH       "/tmp/apteryx.test"
#define TEST_PORT_NUM       9999
#define TEST_MESSAGE_SIZE   100
#define TEST_SCHEMA_PATH    "/etc/apteryx/schema:."
#define TEST_SCHEMA_FILE    "./test.xml"

static int _cb_count = 0;

static bool
assert_apteryx_empty (void)
{
    GNode *tree = apteryx_get_tree (TEST_PATH);
    if (tree)
    {
        fprintf (stderr, "\nERROR: Nodes still set:\n");
        apteryx_print_tree (tree, stdout);
        apteryx_free_tree (tree);
        return false;
    }
    return true;
}

static inline void
dump_sigset_t (sigset_t *set)
{
    int i = SIGRTMAX;
    do {
        int x = 0;
        i -= 4;
        if (sigismember(set, i+1)) x |= 1;
        if (sigismember(set, i+2)) x |= 2;
        if (sigismember(set, i+3)) x |= 4;
        if (sigismember(set, i+4)) x |= 8;
        printf ("%x", x);
    } while (i >= 4);
    printf ("\n");
}

void
test_init ()
{
    const char *path = TEST_PATH"/entity/zones/private/name";
    char *value = NULL;

    apteryx_shutdown_force ();
    CU_ASSERT (apteryx_set (path, "private") == FALSE);
    CU_ASSERT ((value = apteryx_get (path)) == NULL);
    CU_ASSERT (apteryx_set (path, NULL) == FALSE);
    CU_ASSERT (assert_apteryx_empty ());
    apteryx_init (apteryx_debug);
}

void
test_set_get ()
{
    const char *path = TEST_PATH"/entity/zones/private/name";
    char *value = NULL;

    CU_ASSERT (apteryx_set (path, "private"));
    CU_ASSERT ((value = apteryx_get (path)) != NULL);
    CU_ASSERT (value && strcmp (value, "private") == 0);
    free ((void *) value);
    CU_ASSERT (apteryx_set (path, NULL));
    CU_ASSERT (assert_apteryx_empty ());
}


static int test_wack_signal = 0;
static bool
test_watch_w_ack_callback (const char *path, const char *value)
{
    usleep (TEST_SLEEP_TIMEOUT);
    test_wack_signal = value ? 2 : 3;
    return true;
}

void
test_set_with_ack ()
{
    const char *path = TEST_PATH"/entity/zones/private/name";

    CU_ASSERT (apteryx_watch(path, test_watch_w_ack_callback));
    CU_ASSERT (test_wack_signal == 0);
    CU_ASSERT (apteryx_set_wait (path, "private"));
    CU_ASSERT (test_wack_signal == 2);
    CU_ASSERT (apteryx_set_wait (path, NULL));
    CU_ASSERT (test_wack_signal == 3);
    test_wack_signal = 0;
    CU_ASSERT (apteryx_unwatch(path, test_watch_w_ack_callback));
    CU_ASSERT (assert_apteryx_empty ());
}

void
test_set_get_raw ()
{
    const char *path = TEST_PATH"/entity/zones/private/raw";
    char bytes[] = { 0x1, 0x2, 0x3, 0x4, 0x0, 0x6, 0x7, 0x8 };
    char *value;

    CU_ASSERT (apteryx_set (path, bytes));
    CU_ASSERT ((value = apteryx_get (path)) != NULL);
    CU_ASSERT (value && strlen (value) == 4);
    CU_ASSERT (value && memcmp (value, bytes, 4) == 0);
    free ((void *) value);
    CU_ASSERT (apteryx_set (path, NULL));
    CU_ASSERT (assert_apteryx_empty ());
}

void
test_set_get_long_path ()
{
    char *path = NULL;
    char *value = NULL;
    int i;

    CU_ASSERT (asprintf (&path, "%s", TEST_PATH));
    for (i=0; i<1024; i++)
    {
        char *old = path;
        CU_ASSERT (asprintf (&path, "%s/%08x", old, rand ()));
        free (old);
    }
    CU_ASSERT (apteryx_set (path, "private"));
    CU_ASSERT ((value = apteryx_get (path)) != NULL);
    CU_ASSERT (value && strcmp (value, "private") == 0);
    free ((void *) value);
    CU_ASSERT (apteryx_set (path, NULL));
    free ((void *) path);
    CU_ASSERT (assert_apteryx_empty ());
}

void
test_set_get_large_value ()
{
    const char *path = TEST_PATH"/value";
    char *svalue, *gvalue;
    int len = 1024*1024;

    svalue = g_malloc0 (len);
    memset (svalue, 'a', len-1);
    CU_ASSERT (apteryx_set (path, svalue));
    CU_ASSERT ((gvalue = apteryx_get (path)) != NULL);
    CU_ASSERT (gvalue && strcmp (gvalue, svalue) == 0);
    free ((void *) gvalue);
    free ((void *) svalue);
    CU_ASSERT (apteryx_set (path, NULL));
    CU_ASSERT (assert_apteryx_empty ());
}

void
test_multiple_leaves ()
{
    const char *path1 = TEST_PATH"/entity/zones/private/name";
    const char *path2 = TEST_PATH"/entity/zones/private/active";
    const char *value = NULL;

    CU_ASSERT (apteryx_set (path1, "private"));
    CU_ASSERT (apteryx_set (path2, "1"));

    CU_ASSERT ((value = apteryx_get (path1)) != NULL);
    CU_ASSERT (value != NULL);
    CU_ASSERT (value && strcmp (value, "private") == 0);
    free ((void *) value);

    CU_ASSERT ((value = apteryx_get (path2)) != NULL);
    CU_ASSERT (value != NULL);
    CU_ASSERT (value && strcmp (value, "1") == 0);
    free ((void *) value);

    CU_ASSERT (apteryx_set (path1, NULL));
    CU_ASSERT (apteryx_set (path2, NULL));
    CU_ASSERT (assert_apteryx_empty ());
}

void
test_overwrite ()
{
    const char *path = TEST_PATH"/entity/zones/private/name";
    const char *value = NULL;

    CU_ASSERT (apteryx_set (path, "private"));
    CU_ASSERT (apteryx_set (path, "public"));
    CU_ASSERT ((value = apteryx_get (path)) != NULL);
    CU_ASSERT (value != NULL);
    CU_ASSERT (value && strcmp (value, "public") == 0);
    free ((void *) value);

    CU_ASSERT (apteryx_set (path, NULL));
    CU_ASSERT (assert_apteryx_empty ());
}

void
test_delete ()
{
    const char *path = TEST_PATH"/entity/zones/private/name";
    const char *value = NULL;

    CU_ASSERT (apteryx_set (path, "private"));
    CU_ASSERT ((value = apteryx_get (path)) != NULL);
    CU_ASSERT (value != NULL);
    free ((void *) value);
    CU_ASSERT (apteryx_set (path, NULL));
    CU_ASSERT ((value = apteryx_get (path)) == NULL);
    CU_ASSERT (assert_apteryx_empty ());
}

#define thread_count 5
static int _multi_write_thread_data[thread_count];
int
_multi_write_thread (void *data)
{
    int i;
    int id = (long int) data;
    char *path = NULL;

    if (asprintf (&path, TEST_PATH"/counters/thread%d", id) < 0)
        return 0;
    _multi_write_thread_data[id] = 0;
    apteryx_set_int (path, NULL, _multi_write_thread_data[id]);
    for (i = 0; i < thread_count; i++)
    {
        _multi_write_thread_data[id] = apteryx_get_int (path, NULL);
        apteryx_set_int (path, NULL, _multi_write_thread_data[id] + 1);
    }
    free (path);
    return 0;
}

void
test_thread_multi_write ()
{
    long int i;
    pthread_t writers[thread_count];
    for (i = 0; i < thread_count; i++)
    {
        pthread_create (&writers[i], NULL, (void *) &_multi_write_thread, (void *) i);
    }
    for (i = 0; i < thread_count; i++)
    {
        pthread_join (writers[i], NULL);
    }
    for (i = 0; i < thread_count; i++)
    {
        char *path = NULL;
        CU_ASSERT (_multi_write_thread_data[i] == thread_count - 1);
        CU_ASSERT (asprintf (&path, TEST_PATH"/counters/thread%li", i) > 0);
        apteryx_set (path, NULL);
        free (path);
    }
    apteryx_prune (TEST_PATH"/counters");
    CU_ASSERT (assert_apteryx_empty ());
}

void
test_process_multi_write ()
{
    long int i;
    int writers[thread_count];
    apteryx_shutdown ();
    for (i = 0; i < thread_count; i++)
    {
        writers[i] = fork ();
        if (writers[i] == 0)
        {
            apteryx_init (apteryx_debug);
            _multi_write_thread ((void *) i);
            apteryx_shutdown ();
            exit (0);
        }
    }
    apteryx_init (apteryx_debug);

    for (i = 0; i < thread_count; i++)
    {
        int status = 0;
        waitpid (writers[i], &status, 0);
    }
    for (i = 0; i < thread_count; i++)
    {
        char *path = NULL;
        CU_ASSERT (asprintf (&path, TEST_PATH"/counters/thread%d", (int) i) > 0)
            CU_ASSERT (apteryx_get_int (path, NULL) == thread_count);
        free (path);
    }
    apteryx_prune (TEST_PATH"/counters");
    CU_ASSERT (assert_apteryx_empty ());
}

void
test_perf_dummy ()
{
    const char *path = TEST_PATH"/entity/zones/private/name";
    int i;
    bool res;

    for (i = 0; i < TEST_ITERATIONS; i++)
    {
        CU_ASSERT ((res = apteryx_set (path, "private")));
        if (!res)
            goto exit;
    }
exit:
    CU_ASSERT (apteryx_set (path, NULL));
    CU_ASSERT (assert_apteryx_empty ());
}

void
test_perf_set ()
{
    uint64_t start;
    int i;
    bool res;

    start = get_time_us ();
    for (i = 0; i < TEST_ITERATIONS; i++)
    {
        char *path = NULL;
        CU_ASSERT (asprintf(&path, TEST_PATH"/zones/%d/state", i) > 0);
        CU_ASSERT ((res = apteryx_set (path, "private")));
        free (path);
        if (!res)
            goto exit;
    }
    printf ("%"PRIu64"us ... ", (get_time_us () - start) / TEST_ITERATIONS);
exit:
    for (i = 0; i < TEST_ITERATIONS; i++)
    {
        char *path = NULL;
        CU_ASSERT (asprintf(&path, TEST_PATH"/zones/%d/state", i) > 0);
        CU_ASSERT (apteryx_set (path, NULL));
        free (path);
    }
    CU_ASSERT (assert_apteryx_empty ());
}

void
test_perf_tcp_set ()
{
    const char *path = TEST_TCP_URL":"TEST_PATH"/entity/zones/private/name";
    uint64_t start;
    int i;
    bool res;

    CU_ASSERT (apteryx_bind (TEST_TCP_URL));
    usleep (TEST_SLEEP_TIMEOUT);
    start = get_time_us ();
    for (i = 0; i < TEST_ITERATIONS; i++)
    {
        CU_ASSERT ((res = apteryx_set (path, "private")));
        if (!res)
            goto exit;
    }
    printf ("%"PRIu64"us ... ", (get_time_us () - start) / TEST_ITERATIONS);
exit:
    CU_ASSERT (apteryx_set (path, NULL));
    CU_ASSERT (apteryx_unbind (TEST_TCP_URL));
    CU_ASSERT (assert_apteryx_empty ());
}

void
test_perf_tcp_set_tree ()
{
    const char *path = TEST_TCP_URL":"TEST_PATH"/entity/zones";
    uint64_t start;
    int i;
    bool res;

    CU_ASSERT (apteryx_bind (TEST_TCP_URL));
    usleep (TEST_SLEEP_TIMEOUT);

    GNode *root = APTERYX_NODE(NULL, (char*)path);
    APTERYX_LEAF (root, "private", "crash");

    start = get_time_us ();
    for (i = 0; i < TEST_ITERATIONS; i++)
    {
        CU_ASSERT ((res = apteryx_set_tree (root)));
        if (!res)
            goto exit;
    }

    printf ("%"PRIu64"us ... ", (get_time_us () - start) / TEST_ITERATIONS);
exit:
    g_node_destroy (root);
    apteryx_prune(path);
    CU_ASSERT (apteryx_unbind (TEST_TCP_URL));
    CU_ASSERT (assert_apteryx_empty ());
}

void
test_perf_tcp6_set ()
{
    const char *path = TEST_TCP6_URL":"TEST_PATH"/entity/zones/private/name";
    uint64_t start;
    int i;
    bool res;

    CU_ASSERT (apteryx_bind (TEST_TCP6_URL));
    usleep (TEST_SLEEP_TIMEOUT);
    start = get_time_us ();
    for (i = 0; i < TEST_ITERATIONS; i++)
    {
        CU_ASSERT ((res = apteryx_set (path, "private")));
        if (!res)
            goto exit;
    }
    printf ("%"PRIu64"us ... ", (get_time_us () - start) / TEST_ITERATIONS);
exit:
    CU_ASSERT (apteryx_set (path, NULL));
    CU_ASSERT (apteryx_unbind (TEST_TCP6_URL));
    CU_ASSERT (assert_apteryx_empty ());
}

void
test_get_no_value ()
{
    const char *path = TEST_PATH"/entity/zones/private/name";
    const char *value = NULL;

    CU_ASSERT ((value = apteryx_get (path)) == NULL);
    CU_ASSERT (assert_apteryx_empty ());
}


void
_perf_setup (int count, bool cleanup)
{
    int i;
    for (i = 0; i < count; i++)
    {
        char *path = NULL;
        CU_ASSERT (asprintf(&path, TEST_PATH"/zones/%d/state", i) > 0);
        if (cleanup)
            apteryx_set (path, NULL);
        else
            apteryx_set (path, "private");
        free (path);
    }
}

void
test_perf_get ()
{
    const char *value = NULL;
    uint64_t start;
    int i;

    _perf_setup (TEST_ITERATIONS, FALSE);
    start = get_time_us ();
    for (i = 0; i < TEST_ITERATIONS; i++)
    {
        char *path = NULL;
        CU_ASSERT (asprintf(&path, TEST_PATH"/zones/%d/state", i) > 0);
        CU_ASSERT ((value = apteryx_get (path)) != NULL);
        free (path);
        if (!value)
            goto exit;
        free ((void *) value);
    }
    printf ("%"PRIu64"us ... ", (get_time_us () - start) / TEST_ITERATIONS);
exit:
    _perf_setup (TEST_ITERATIONS, TRUE);
    CU_ASSERT (assert_apteryx_empty ());
}

void
test_perf_tcp_get ()
{
    const char *value = NULL;
    uint64_t start;
    int i;

    CU_ASSERT (apteryx_bind (TEST_TCP_URL));
    _perf_setup (TEST_ITERATIONS, FALSE);
    start = get_time_us ();
    for (i = 0; i < TEST_ITERATIONS; i++)
    {
        char *path = NULL;
        CU_ASSERT (asprintf(&path, TEST_TCP_URL":"TEST_PATH"/zones/%d/state", i) > 0);
        CU_ASSERT ((value = apteryx_get (path)) != NULL);
        free (path);
        if (!value)
            goto exit;
        free ((void *) value);
    }
    printf ("%"PRIu64"us ... ", (get_time_us () - start) / TEST_ITERATIONS);
exit:
    _perf_setup (TEST_ITERATIONS, TRUE);
    CU_ASSERT (apteryx_unbind (TEST_TCP_URL))
    CU_ASSERT (assert_apteryx_empty ());
}

void
test_perf_tcp6_get ()
{
    const char *value = NULL;
    uint64_t start;
    int i;

    CU_ASSERT (apteryx_bind (TEST_TCP6_URL));
    usleep (TEST_SLEEP_TIMEOUT);
    _perf_setup (TEST_ITERATIONS, FALSE);
    start = get_time_us ();
    for (i = 0; i < TEST_ITERATIONS; i++)
    {
        char *path = NULL;
        CU_ASSERT (asprintf(&path, TEST_TCP6_URL":"TEST_PATH"/zones/%d/state", i) > 0);
        CU_ASSERT ((value = apteryx_get (path)) != NULL);
        free (path);
        if (!value)
            goto exit;
        free ((void *) value);
    }
    printf ("%"PRIu64"us ... ", (get_time_us () - start) / TEST_ITERATIONS);
exit:
    _perf_setup (TEST_ITERATIONS, TRUE);
    CU_ASSERT (apteryx_unbind (TEST_TCP6_URL))
    CU_ASSERT (assert_apteryx_empty ());
}

void
test_perf_get_null ()
{
    const char *value = NULL;
    uint64_t start;
    int i;

    start = get_time_us ();
    for (i = 0; i < TEST_ITERATIONS; i++)
    {
        char *path = NULL;
        CU_ASSERT (asprintf(&path, TEST_PATH"/zones/%d/state", i) > 0);
        CU_ASSERT ((value = apteryx_get (path)) == NULL);
        free (path);
        if (value != NULL)
            goto exit;
    }
    printf ("%"PRIu64"us ... ", (get_time_us () - start) / TEST_ITERATIONS);
exit:
    CU_ASSERT (assert_apteryx_empty ());
}

void
test_set_get_int ()
{
    const char *path = TEST_PATH"/entity/zones";
    int value = 123456;

    CU_ASSERT (apteryx_set_int (path, "count", value));

    int v = 0;

    CU_ASSERT ((v = apteryx_get_int (path, "count")) == value);

    /* test correct behavior with strings */
    char *strvalue = "illegal";

    CU_ASSERT (apteryx_set_string (path, "count", strvalue));

    v = 0;

    CU_ASSERT((v = apteryx_get_int (path, "count")) == -1);

    CU_ASSERT((errno == -ERANGE));

    strvalue = "123illegal";

    CU_ASSERT (apteryx_set_string (path, "count", strvalue));

    v = 0;

    CU_ASSERT((v = apteryx_get_int (path, "count")) == -1);

    CU_ASSERT((errno == -ERANGE));

    CU_ASSERT (apteryx_set_string (path, "count", NULL));
    CU_ASSERT (assert_apteryx_empty ());
}

void
test_set_get_string ()
{
    const char *path = TEST_PATH"/entity/zones";
    const char *value = "123456";

    CU_ASSERT (apteryx_set_string (path, "count", value));

    char *v = NULL;

    CU_ASSERT ((v = apteryx_get_string (path, "count")) != NULL);
    CU_ASSERT (v && strcmp (v, value) == 0);

    free (v);
    CU_ASSERT (apteryx_set_string (path, "count", NULL));
    CU_ASSERT (assert_apteryx_empty ());
}

void
test_set_has_value ()
{
    const char *path = TEST_PATH"/entity/zones";
    const char *value = "123456";

    CU_ASSERT (apteryx_set (path, value));

    CU_ASSERT (apteryx_has_value (path) == true);

    CU_ASSERT (apteryx_prune (path));

    CU_ASSERT (apteryx_has_value (path) == false);
}

void
test_search_paths ()
{
    GList *paths = NULL;

    CU_ASSERT (apteryx_set_string (TEST_PATH"/entity/zones", NULL, "-"));
    CU_ASSERT (apteryx_set_string (TEST_PATH"/entity/zones/private", NULL, "-"));
    CU_ASSERT (apteryx_set_string (TEST_PATH"/entity/zones/private/description", NULL, "lan"));
    CU_ASSERT (apteryx_set_string
               (TEST_PATH"/entity/zones/private/networks/description", NULL, "engineers"));
    CU_ASSERT (apteryx_set_string (TEST_PATH"/entity/zones/public", NULL, "-"));
    CU_ASSERT (apteryx_set_string (TEST_PATH"/entity/zones/public/description", NULL, "wan"));

    CU_ASSERT ((paths = apteryx_search (TEST_PATH"/")) != NULL);
    g_list_free_full (paths, free);
    CU_ASSERT ((paths = apteryx_search (TEST_PATH"/entity/")) != NULL);
    g_list_free_full (paths, free);
    CU_ASSERT (apteryx_search (TEST_PATH"/nothere/") == NULL);

    CU_ASSERT ((paths = apteryx_search (TEST_PATH"/entity/zones/")) != NULL);
    CU_ASSERT (g_list_length (paths) == 2);
    CU_ASSERT (g_list_find_custom (paths, TEST_PATH"/entity/zones/private", (GCompareFunc) strcmp) !=
               NULL);
    CU_ASSERT (g_list_find_custom (paths, TEST_PATH"/entity/zones/public", (GCompareFunc) strcmp) !=
               NULL);
    g_list_free_full (paths, free);

    CU_ASSERT (apteryx_set_string (TEST_PATH"/entity/zones", NULL, NULL));
    CU_ASSERT (apteryx_set_string (TEST_PATH"/entity/zones/private", NULL, NULL));
    CU_ASSERT (apteryx_set_string (TEST_PATH"/entity/zones/private/description", NULL, NULL));
    CU_ASSERT (apteryx_set_string
               (TEST_PATH"/entity/zones/private/networks/description", NULL, NULL));
    CU_ASSERT (apteryx_set_string (TEST_PATH"/entity/zones/public", NULL, NULL));
    CU_ASSERT (apteryx_set_string (TEST_PATH"/entity/zones/public/description", NULL, NULL));
    CU_ASSERT (assert_apteryx_empty ());
}

void
test_search_paths_root ()
{
    GList *paths = NULL;

    CU_ASSERT (apteryx_set_string (TEST_PATH"/interfaces/eth0", NULL, "-"));
    CU_ASSERT ((paths = apteryx_search (NULL)) == NULL);
    CU_ASSERT ((paths = apteryx_search ("")) == NULL);
    CU_ASSERT ((paths = apteryx_search ("*")) == NULL);
    CU_ASSERT ((paths = apteryx_search ("/")) != NULL);
    CU_ASSERT (g_list_find_custom (paths, TEST_PATH, (GCompareFunc) strcmp) != NULL);
    g_list_free_full (paths, free);
    paths = NULL;

    CU_ASSERT (apteryx_set_string (TEST_PATH"/interfaces/eth0", NULL, NULL));
    CU_ASSERT (assert_apteryx_empty ());
}


static char *
_dummy_provide(const char *d)
{
    return NULL;
}

/* Check that we find a provider when have a search that hits it */
void
test_search_of_provide ()
{
    GList *paths = NULL;
    CU_ASSERT (apteryx_provide (TEST_PATH"/interfaces/eth0/status", _dummy_provide));
    CU_ASSERT ((paths = apteryx_search (TEST_PATH"/interfaces/eth0/")) != NULL);
    CU_ASSERT (paths && strcmp(paths->data, TEST_PATH"/interfaces/eth0/status") == 0);
    g_list_free_full(paths, g_free);

    CU_ASSERT (apteryx_unprovide (TEST_PATH"/interfaces/eth0/status", _dummy_provide));
    CU_ASSERT (assert_apteryx_empty ());
}

/* Check search doesn't return a path for a directory level provider */
void
test_search_of_provider_slash ()
{
    GList *paths = NULL;
    CU_ASSERT (apteryx_provide (TEST_PATH"/interfaces/eth0/status/", _dummy_provide));
    CU_ASSERT ((paths = apteryx_search (TEST_PATH"/interfaces/eth0/status/")) == NULL)
    CU_ASSERT (apteryx_unprovide (TEST_PATH"/interfaces/eth0/status/", _dummy_provide));
    CU_ASSERT (assert_apteryx_empty ());
}

/* Check search doesn't return a path for a wildcard provider */
void
test_search_of_provider_wildcard ()
{
    GList *paths = NULL;
    CU_ASSERT (apteryx_provide (TEST_PATH"/interfaces/eth0/status/*", _dummy_provide));
    CU_ASSERT ((paths = apteryx_search (TEST_PATH"/interfaces/eth0/status/")) == NULL)
    CU_ASSERT (apteryx_unprovide (TEST_PATH"/interfaces/eth0/status/*", _dummy_provide));
    CU_ASSERT (assert_apteryx_empty ());
}

/* Check search returns a path when there is a lower level directory provider */
void
test_search_of_lower_directory_provider ()
{
    GList *paths = NULL;
    CU_ASSERT (apteryx_provide (TEST_PATH"/interfaces/eth0/status/lower-directory/", _dummy_provide));
    CU_ASSERT ((paths = apteryx_search (TEST_PATH"/interfaces/eth0/status/")) != NULL);
    CU_ASSERT (paths && strcmp(paths->data, TEST_PATH"/interfaces/eth0/status/lower-directory") == 0);
    CU_ASSERT (apteryx_unprovide (TEST_PATH"/interfaces/eth0/status/lower-directory/", _dummy_provide));
    g_list_free_full(paths, g_free);
    CU_ASSERT (assert_apteryx_empty ());
}

/* Check search returns a path when there is a lower level wildcard provider */
void
test_search_of_lower_wildcard_provider ()
{
    GList *paths = NULL;
    CU_ASSERT (apteryx_provide (TEST_PATH"/interfaces/eth0/status/lower-wildcard/*", _dummy_provide));
    CU_ASSERT ((paths = apteryx_search (TEST_PATH"/interfaces/eth0/status/")) != NULL);
    CU_ASSERT (paths && strcmp(paths->data, TEST_PATH"/interfaces/eth0/status/lower-wildcard") == 0);
    g_list_free_full(paths, g_free);
    CU_ASSERT (apteryx_unprovide (TEST_PATH"/interfaces/eth0/status/lower-wildcard/*", _dummy_provide));
    CU_ASSERT (assert_apteryx_empty ());
}

/* Check search skips wildcard nodes when searching for providers.
 * These wildcard nodes are either filled in with indexers or from the database.
 */
void
test_search_of_intermediate_wildcard()
{
    GList *paths = NULL;
    CU_ASSERT (apteryx_provide (TEST_PATH"/interfaces/eth0/status/lower-wildcard/*/and-below", _dummy_provide));
    CU_ASSERT ((paths = apteryx_search (TEST_PATH"/interfaces/eth0/status/lower-wildcard/")) == NULL);
    CU_ASSERT (paths == NULL);
    CU_ASSERT (apteryx_unprovide (TEST_PATH"/interfaces/eth0/status/lower-wildcard/*/and-below", _dummy_provide));
    CU_ASSERT (assert_apteryx_empty ());
}

void
test_perf_search ()
{
    GList *paths = NULL;
    uint64_t start;
    int i;

    CU_ASSERT (apteryx_set_string (TEST_PATH"/interfaces", NULL, "-"));
    CU_ASSERT (apteryx_set_string (TEST_PATH"/interfaces/eth0", NULL, "-"));
    start = get_time_us ();
    for (i = 0; i < TEST_ITERATIONS; i++)
    {
        CU_ASSERT ((paths = apteryx_search ("/")) != NULL);
        if (paths == NULL)
            goto exit;
        g_list_free_full (paths, free);
    }
    printf ("%"PRIu64"us ... ", (get_time_us () - start) / TEST_ITERATIONS);
exit:
    CU_ASSERT (apteryx_set_string (TEST_PATH"/interfaces", NULL, NULL));
    CU_ASSERT (apteryx_set_string (TEST_PATH"/interfaces/eth0", NULL, NULL));
    CU_ASSERT (assert_apteryx_empty ());
}

static GList*
test_index_cb (const char *path)
{
    GList *paths = NULL;
    paths = g_list_append (paths, strdup (TEST_PATH"/counters/rx"));
    paths = g_list_append (paths, strdup (TEST_PATH"/counters/tx"));
    return paths;
}

static GList*
test_index_cb2 (const char *path)
{
    GList *paths = NULL;
    paths = g_list_append (paths, strdup (TEST_PATH"/counters/up"));
    paths = g_list_append (paths, strdup (TEST_PATH"/counters/down"));
    return paths;
}

static GList*
test_index_cb_wild (const char *path)
{
    GList *paths = NULL;
    if (strcmp (path, TEST_PATH"/counters/") == 0)
    {
        paths = g_list_append (paths, strdup (TEST_PATH"/counters/rx"));
        paths = g_list_append (paths, strdup (TEST_PATH"/counters/tx"));
    }
    else if (strcmp (path, TEST_PATH"/counters/rx/") == 0)
    {
        paths = g_list_append (paths, strdup (TEST_PATH"/counters/rx/pkts"));
        paths = g_list_append (paths, strdup (TEST_PATH"/counters/rx/bytes"));
    }
    else
    {
        paths = g_list_append (paths, strdup (TEST_PATH"/counters/tx/pkts"));
        paths = g_list_append (paths, strdup (TEST_PATH"/counters/tx/bytes"));
    }
    return paths;
}

static GList*
test_index_cb_always_slash (const char *path)
{
    GList *paths = NULL;
    if (strcmp (path, TEST_PATH"/ends/with/slash/") == 0)
    {
        paths = g_list_append (paths, strdup (TEST_PATH"/ends/with/slash/yes"));
    }
    return paths;
}

static char*
test_index_cb_always_slash_provide (const char *path)
{
    if (strcmp (path, TEST_PATH"/ends/with/slash/yes") == 0)
    {
        return strdup ("yes");
    }
    return NULL;
}

void
test_index ()
{
    char *path = TEST_PATH"/counters/";
    GList *paths = NULL;

    CU_ASSERT (apteryx_index (path, test_index_cb));
    CU_ASSERT ((paths = apteryx_search (path)) != NULL);
    CU_ASSERT (g_list_length (paths) == 2);
    CU_ASSERT (g_list_find_custom (paths, TEST_PATH"/counters/rx", (GCompareFunc) strcmp) != NULL);
    CU_ASSERT (g_list_find_custom (paths, TEST_PATH"/counters/tx", (GCompareFunc) strcmp) != NULL);
    g_list_free_full (paths, free);
    CU_ASSERT (apteryx_unindex (path, test_index_cb));
    CU_ASSERT (assert_apteryx_empty ());
}

void
test_index_wildcard ()
{
    char *path = TEST_PATH"/counters/*";
    GList *paths = NULL;

    CU_ASSERT (apteryx_index (path, test_index_cb_wild));
    CU_ASSERT ((paths = apteryx_search (TEST_PATH"/counters/")) != NULL);
    CU_ASSERT (g_list_length (paths) == 2);
    CU_ASSERT (g_list_find_custom (paths, TEST_PATH"/counters/rx", (GCompareFunc) strcmp) != NULL);
    CU_ASSERT (g_list_find_custom (paths, TEST_PATH"/counters/tx", (GCompareFunc) strcmp) != NULL);
    for (GList * _iter = paths; _iter; _iter = _iter->next)
    {
        char *_path = NULL;
        GList *subpaths = NULL;

        CU_ASSERT (asprintf (&_path, "%s/", (char *) _iter->data) > 0);
        CU_ASSERT ((subpaths = apteryx_search (_path)) != NULL);
        CU_ASSERT (g_list_length (paths) == 2);
        if (strcmp (_path, TEST_PATH"/counters/rx/") == 0)
        {
            CU_ASSERT (g_list_find_custom (subpaths, TEST_PATH"/counters/rx/pkts", (GCompareFunc) strcmp) != NULL);
            CU_ASSERT (g_list_find_custom (subpaths, TEST_PATH"/counters/rx/bytes", (GCompareFunc) strcmp) != NULL);
        }
        else
        {
            CU_ASSERT (g_list_find_custom (subpaths, TEST_PATH"/counters/tx/pkts", (GCompareFunc) strcmp) != NULL);
            CU_ASSERT (g_list_find_custom (subpaths, TEST_PATH"/counters/tx/bytes", (GCompareFunc) strcmp) != NULL);
        }
        g_list_free_full (subpaths, free);
        free (_path);
    }
    g_list_free_full (paths, free);
    CU_ASSERT (apteryx_unindex (path, test_index_cb_wild));
    CU_ASSERT (assert_apteryx_empty ());
}

void
test_index_before_db ()
{
    char *path = TEST_PATH"/counters/";
    GList *paths = NULL;

    CU_ASSERT (apteryx_set (TEST_PATH"/counters/up", "1"));
    CU_ASSERT (apteryx_set (TEST_PATH"/counters/down", "2"));
    CU_ASSERT (apteryx_index (path, test_index_cb));
    CU_ASSERT ((paths = apteryx_search (path)) != NULL);
    CU_ASSERT (g_list_length (paths) == 2);
    CU_ASSERT (g_list_find_custom (paths, TEST_PATH"/counters/rx", (GCompareFunc) strcmp) != NULL);
    CU_ASSERT (g_list_find_custom (paths, TEST_PATH"/counters/tx", (GCompareFunc) strcmp) != NULL);
    g_list_free_full (paths, free);
    CU_ASSERT (apteryx_unindex (path, test_index_cb));
    CU_ASSERT (apteryx_set (TEST_PATH"/counters/up", NULL));
    CU_ASSERT (apteryx_set (TEST_PATH"/counters/down", NULL));
    CU_ASSERT (assert_apteryx_empty ());
}

void
test_index_replace_handler ()
{
    char *path = TEST_PATH"/counters/";
    GList *paths = NULL;

    CU_ASSERT (apteryx_index (path, test_index_cb));
    CU_ASSERT (apteryx_index (path, test_index_cb2));
    CU_ASSERT ((paths = apteryx_search (path)) != NULL);
    CU_ASSERT (g_list_length (paths) == 2);
    CU_ASSERT (g_list_find_custom (paths, TEST_PATH"/counters/up", (GCompareFunc) strcmp) != NULL);
    CU_ASSERT (g_list_find_custom (paths, TEST_PATH"/counters/down", (GCompareFunc) strcmp) != NULL);
    g_list_free_full (paths, free);
    CU_ASSERT (apteryx_unindex (path, test_index_cb2));
    CU_ASSERT (apteryx_unindex (path, test_index_cb));
    CU_ASSERT (assert_apteryx_empty ());
}

void
test_index_no_handler ()
{
    char *path = TEST_PATH"/counters/";

    CU_ASSERT (apteryx_search (path) == NULL);
    CU_ASSERT (assert_apteryx_empty ());
}

void
test_index_remove_handler ()
{
    char *path = TEST_PATH"/counters/";

    CU_ASSERT (apteryx_index (path, test_index_cb));
    CU_ASSERT (apteryx_unindex (path, test_index_cb));
    CU_ASSERT (apteryx_search (path) == NULL);
    CU_ASSERT (assert_apteryx_empty ());
}

void
test_index_always_ends_with_slash ()
{
    char *path = TEST_PATH"/ends/with/slash/*";
    GList *paths = NULL;
    GNode *root = NULL;

    CU_ASSERT (apteryx_index (path, test_index_cb_always_slash));
    CU_ASSERT (apteryx_provide (path, test_index_cb_always_slash_provide));

    /* apteryx_search */
    CU_ASSERT ((paths = apteryx_search (TEST_PATH"/ends/with/slash/")) != NULL);
    g_list_free_full (paths, free);

    /* apteryx_get_tree */
    root = apteryx_get_tree (TEST_PATH"/ends/with/slash");
    CU_ASSERT (root != NULL);
    CU_ASSERT (root && strcmp (APTERYX_NAME (root), TEST_PATH"/ends/with/slash") == 0);
    CU_ASSERT (root && g_node_n_children (root) == 1);
    apteryx_free_tree (root);

    CU_ASSERT (apteryx_unindex (path, test_index_cb_always_slash));
    CU_ASSERT (apteryx_unprovide (path, test_index_cb_always_slash_provide));
    CU_ASSERT (assert_apteryx_empty ());
}

static GList *
_null_index(const char *d)
{
    return NULL;
}

void
test_index_and_provide ()
{
    char *path = TEST_PATH"/counters/*";

    CU_ASSERT (apteryx_provide (path, _dummy_provide));
    CU_ASSERT (apteryx_index (path, _null_index));
    CU_ASSERT (apteryx_search (TEST_PATH"/counters/") == NULL);
    CU_ASSERT (apteryx_unprovide (path, _dummy_provide));
    CU_ASSERT (apteryx_unindex (path, _null_index));
    CU_ASSERT (assert_apteryx_empty ());
}

static GList *
test_index_get_tree_cb(const char *path)
{
    gchar *tmp = g_strdup(path);
    char *token = NULL;
    char *saveptr = NULL;
    int count = 0;
    GList *paths = NULL;

    token = tmp;
    while ((token = strtok_r(token, "/", &saveptr)) != NULL)
    {
        count++;
        token = NULL;
    }

    switch(count)
    {
        case 2:
            for (int i = 0; i < 3; i++)
                paths = g_list_append(paths, g_strdup_printf(TEST_PATH"/counters/eth%d", i));
            break;
        case 3:
            paths = g_list_append(paths, g_strdup_printf("%s%s", path, "rx"));
            paths = g_list_append(paths, g_strdup_printf("%s%s", path, "tx"));
            break;
        case 4:
            paths = g_list_append(paths, g_strdup_printf("%s%s", path, "pkts"));
            paths = g_list_append(paths, g_strdup_printf("%s%s", path, "bytes"));
        default:
            break;
    }

    g_free(tmp);
    return paths;
}

static char *
test_provide_get_tree_cb(const char *path)
{
    if (strstr(path, "rx/pkts"))
    {
        _cb_count++;
        return strdup("100");
    }
    if (strstr(path, "rx/bytes"))
    {
        _cb_count++;
        return strdup("200");
    }
    if (strstr(path, "tx/pkts"))
    {
        _cb_count++;
        return strdup("300");
    }
    if (strstr(path, "tx/bytes"))
    {
        _cb_count++;
        return strdup("400");
    }
    return NULL;
}

void
test_index_and_provide_get_tree ()
{
    char *path = TEST_PATH"/counters/*";
    GNode *root = NULL;
    _cb_count = 0;
    CU_ASSERT (apteryx_provide (path, test_provide_get_tree_cb));
    CU_ASSERT (apteryx_index (path, test_index_get_tree_cb));
    apteryx_set(TEST_PATH"/counters/eth4/name", "eth3");
    CU_ASSERT ((root = apteryx_get_tree (TEST_PATH"/counters")) != NULL);
    if (root)
        apteryx_free_tree (root);
    /* eth0-3 * rx/tx * bytes/packets = 16 counters */
    CU_ASSERT (_cb_count == 16);
    CU_ASSERT (apteryx_unprovide (path, test_provide_get_tree_cb));
    CU_ASSERT (apteryx_unindex (path, test_index_get_tree_cb));
    apteryx_prune(TEST_PATH"/counters");
    CU_ASSERT (assert_apteryx_empty ());
    _cb_count = 0;
}

static GList *
_indexer_writes (const char *d)
{
    apteryx_set_string (d, "one", "1");
    apteryx_set_string (d, "two", "2");
    return NULL;
}

static char*
_provide_callback (const char *path)
{
    return strdup ("up");
}

void
test_index_writes ()
{
    char *path = TEST_PATH"/counters/*";
    char *provide_path = TEST_PATH"/counters/*/something/else";
    GNode *root;

    CU_ASSERT (apteryx_index (path, _indexer_writes));
    /* There's no reason to call the indexer without a provider behind it. */
    CU_ASSERT (apteryx_provide (provide_path, _provide_callback));
    root = apteryx_get_tree (TEST_PATH"/counters");
    if (root)
        apteryx_free_tree (root);
    CU_ASSERT (apteryx_get_int(TEST_PATH"/counters", "one") == 1);
    CU_ASSERT (apteryx_unindex (path, _indexer_writes));
    CU_ASSERT (apteryx_unprovide (provide_path, _provide_callback));
    apteryx_prune (TEST_PATH"/counters");
    CU_ASSERT (assert_apteryx_empty ());
}

static GList *
_indexer_recurses(const char *path)
{
    GList *paths = g_list_append(NULL, g_strdup_printf(TEST_PATH"/counters/eth0"));
    paths = g_list_append(paths, g_strdup_printf(TEST_PATH"/counters/eth1"));
    paths = g_list_append(paths, g_strdup_printf(TEST_PATH"/counters/eth2"));
    paths = g_list_append(paths, g_strdup_printf(TEST_PATH"/counters/eth2/something/else"));
    return paths;
}

void
test_index_recursive ()
{
    char *path = TEST_PATH"/counters/*";
    char *provide_path = TEST_PATH"/counters/*/something/else";
    GNode *root;

    /* This indexer is poorly behaved - indexers must return paths that
     * extend the search path - this one returns the same set of paths
     * each time it's called. We need code in apteryxd to ignore paths
     * that are obviously wrong.
     */
    CU_ASSERT (apteryx_index (path, _indexer_recurses));
    /* There's no reason to call the indexer without a provider behind it. */
    CU_ASSERT (apteryx_provide (provide_path, _provide_callback));
    root = apteryx_get_tree (TEST_PATH"/counters");
    if (root)
        apteryx_free_tree (root);
    CU_ASSERT (apteryx_unindex (path, _indexer_recurses));
    CU_ASSERT (apteryx_unprovide (provide_path, _provide_callback));
    CU_ASSERT (assert_apteryx_empty ());
}

void
test_prune ()
{
    GList *paths = NULL;

    CU_ASSERT (apteryx_set_string (TEST_PATH"/interfaces", NULL, "-"));
    CU_ASSERT (apteryx_set_string (TEST_PATH"/interfaces/eth0", NULL, "-"));
    CU_ASSERT (apteryx_set_string (TEST_PATH"/interfaces/eth0/state", NULL, "up"));
    CU_ASSERT (apteryx_set_string (TEST_PATH"/entities", NULL, "-"));
    CU_ASSERT (apteryx_set_string (TEST_PATH"/entities/zones", NULL, "-"));
    CU_ASSERT (apteryx_set_string (TEST_PATH"/entities/zones/public", NULL, "-"));
    CU_ASSERT (apteryx_set_string (TEST_PATH"/entities/zones/private", NULL, "-"));
    CU_ASSERT (apteryx_prune (TEST_PATH"/interfaces"));

    CU_ASSERT ((paths = apteryx_search (TEST_PATH"/interfaces/")) == NULL);
    CU_ASSERT ((paths = apteryx_search (TEST_PATH"/entities/zones/")) != NULL);
    CU_ASSERT (g_list_length (paths) == 2);
    g_list_free_full (paths, free);
    CU_ASSERT (apteryx_prune (TEST_PATH"/entities"));
    CU_ASSERT (assert_apteryx_empty ());
}

void
test_prune_root ()
{
    GList *paths = NULL;

    CU_ASSERT (apteryx_set_string (TEST_PATH"/interfaces", NULL, "-"));
    CU_ASSERT (apteryx_set_string (TEST_PATH"/interfaces/eth0", NULL, "-"));
    CU_ASSERT (apteryx_set_string (TEST_PATH"/interfaces/eth0/state", NULL, "up"));
    CU_ASSERT (apteryx_set_string (TEST_PATH"/entities", NULL, "-"));
    CU_ASSERT (apteryx_set_string (TEST_PATH"/entities/zones", NULL, "-"));
    CU_ASSERT (apteryx_set_string (TEST_PATH"/entities/zones/public", NULL, "-"));
    CU_ASSERT (apteryx_set_string (TEST_PATH"/entities/zones/private", NULL, "-"));
    CU_ASSERT (apteryx_prune ("/"));

    CU_ASSERT ((paths = apteryx_search (TEST_PATH"/interfaces/")) == NULL);
    CU_ASSERT ((paths = apteryx_search (TEST_PATH"/entities/zones/")) == NULL);

    g_list_free_full (paths, free);
    CU_ASSERT (assert_apteryx_empty ());
}

static bool set_prune_running = false;
static GNode *prune_thread_safe_tree_root = NULL;

static int
_set_prune_thread (void *data)
{
    while (set_prune_running)
    {
        CU_ASSERT (apteryx_set_string (TEST_PATH"/platform/pluggables", "port1.1.1", "11"));
        CU_ASSERT (apteryx_prune (TEST_PATH"/platform/pluggables/port1.1.1"));
    }

    return 0;
}

static int
_search_thread (void *data)
{
    int i;
    int iterations = * (int *) data;
    GList *paths;

    for (i=0; i<iterations; i++)
    {
        paths = apteryx_search(TEST_PATH"/platform/pluggables/");
        g_list_free_full (paths, free);
    }

    return 0;
}

void
test_prune_thread_safe ()
{
    char *name, *value;
    int num_boards = 8;
    int num_ports = 12;
    int board, port, i;
    int num_search_threads = 10;
    int num_search_iterations = 100;
    pthread_t set_prune_thread;
    pthread_t search_threads[num_search_threads];

    /* Generate test tree */
    CU_ASSERT ((name = strdup (TEST_PATH"/platform/pluggables")) != NULL);
    CU_ASSERT ((prune_thread_safe_tree_root = APTERYX_NODE (NULL, name)) != NULL);
    for (board=1; board<=num_boards; board++)
    {
        for (port=1; port<=num_ports; port++)
        {
            name = value = NULL;
            CU_ASSERT (asprintf (&name, "port1.%d.%d", board, port));
            CU_ASSERT (asprintf (&value, "%d%d", board, port));
            APTERYX_LEAF (prune_thread_safe_tree_root, name, value);
        }
    }
    CU_ASSERT (apteryx_set_tree (prune_thread_safe_tree_root));

    /* Start set_prune and search threads */
    set_prune_running = true;
    pthread_create (&set_prune_thread, NULL, (void *) &_set_prune_thread, NULL);
    for (i=0; i<num_search_threads; i++)
    {
        pthread_create (&search_threads[i], NULL, (void *) &_search_thread, (void *) &num_search_iterations);
    }

    /* Collect set_prune and search threads */
    for (i=0; i<num_search_threads; i++)
    {
        pthread_join (search_threads[i], NULL);
    }
    set_prune_running = false;
    pthread_join (set_prune_thread, NULL);

    /* Clean up */
    usleep (TEST_SLEEP_TIMEOUT);
    apteryx_prune (TEST_PATH"/platform/pluggables");
    apteryx_free_tree (prune_thread_safe_tree_root);
    CU_ASSERT (assert_apteryx_empty ());
}

void
test_cas ()
{
    const char *path = TEST_PATH"/interfaces/eth0/ifindex";
    char *value;
    uint64_t ts;

    CU_ASSERT (apteryx_cas (path, "1", 0));
    CU_ASSERT (!apteryx_cas (path, "2", 0));
    CU_ASSERT (errno == -EBUSY);
    CU_ASSERT ((ts = apteryx_timestamp (path)) != 0);
    CU_ASSERT (apteryx_cas (path, "3", ts));
    CU_ASSERT (!apteryx_cas (path, "4", ts));
    CU_ASSERT (errno == -EBUSY);
    CU_ASSERT ((value = apteryx_get (path)) != NULL);
    CU_ASSERT (value && strcmp (value, "3") == 0);
    free ((void *) value);

    CU_ASSERT (apteryx_set (path, NULL));
    CU_ASSERT (assert_apteryx_empty ());
}

void
test_cas_string ()
{
    const char *path = TEST_PATH"/interfaces/eth0";
    char *value;
    uint64_t ts;

    CU_ASSERT (apteryx_cas_string (path, "ifindex", "1", 0));
    CU_ASSERT (!apteryx_cas_string (path, "ifindex", "2", 0));
    CU_ASSERT (errno == -EBUSY);
    CU_ASSERT ((ts = apteryx_timestamp (path)) != 0);
    CU_ASSERT (apteryx_cas_string (path, "ifindex", "3", ts));
    CU_ASSERT (!apteryx_cas_string (path, "ifindex", "4", ts));
    CU_ASSERT (errno == -EBUSY);
    CU_ASSERT ((value = apteryx_get_string (path, "ifindex")) != NULL);
    CU_ASSERT (value && strcmp (value, "3") == 0);
    free ((void *) value);

    CU_ASSERT (apteryx_set_string (path, "ifindex", NULL));
    CU_ASSERT (assert_apteryx_empty ());
}

void
test_cas_int ()
{
    const char *path = TEST_PATH"/interfaces/eth0";
    uint64_t ts;

    CU_ASSERT (apteryx_cas_int (path, "ifindex", 1, 0));
    CU_ASSERT (!apteryx_cas_int (path, "ifindex", 2, 0));
    CU_ASSERT (errno == -EBUSY);
    CU_ASSERT ((ts = apteryx_timestamp (path)) != 0);
    CU_ASSERT (apteryx_cas_int (path, "ifindex", 3, ts));
    CU_ASSERT (!apteryx_cas_int (path, "ifindex", 4, ts));
    CU_ASSERT (errno == -EBUSY);
    CU_ASSERT (apteryx_get_int (path, "ifindex") == 3);

    CU_ASSERT (apteryx_set_string (path, "ifindex", NULL));
    CU_ASSERT (assert_apteryx_empty ());
}

#define bitmap_path TEST_PATH"/interfaces/eth0/status"
#define bitmap_bits 32
int
_bitmap_thread (void *data)
{
    int id = (long int) data;
    uint32_t set = (1 << id);
    uint32_t clear = (1 << (bitmap_bits/2 + id));
    const char *path = bitmap_path;

    while (1) {
        uint64_t ts = apteryx_timestamp (path);
        char *value = apteryx_get (path);
        uint32_t bitmap = 0;
        if (value)
        {
            sscanf (value, "%"PRIx32, &bitmap);
            free (value);
        }
        bitmap = (bitmap & ~clear) | set;
        if (asprintf (&value, "%"PRIx32, bitmap) > 0) {
            bool success = apteryx_cas (path, value, ts);
            free (value);
            if (success || errno != -EBUSY)
                break;
        }
    }
    return 0;
}

void
test_bitmap ()
{
    const char *path = bitmap_path;
    char *value = NULL;
    pthread_t writers[bitmap_bits];
    uint32_t bitmap = 0;
    long int i;

    CU_ASSERT (asprintf (&value, "%"PRIx32, (uint32_t)0xFFFF0000) > 0);
    CU_ASSERT (apteryx_set (path, value));
    free (value);
    for (i = 0; i < bitmap_bits/2; i++)
    {
        pthread_create (&writers[i], NULL, (void *) &_bitmap_thread, (void *) i);
    }
    for (i = 0; i < bitmap_bits/2; i++)
    {
        pthread_join (writers[i], NULL);
    }
    CU_ASSERT ((value = apteryx_get (path)) != NULL);
    CU_ASSERT (value && sscanf (value, "%"PRIx32, &bitmap) == 1)
    CU_ASSERT (bitmap == 0x0000FFFF)
    free (value);

    CU_ASSERT (apteryx_set (path, NULL));
    CU_ASSERT (assert_apteryx_empty ());
}

static char *_path = NULL;
static char *_value = NULL;

static bool
test_watch_callback (const char *path, const char *value)
{
    if (_path)
        free (_path);
    if (_value)
        free (_value);

    _path = strdup (path);
    if (value)
        _value = strdup (value);
    else
        _value = NULL;
    _cb_count++;
    return true;
}

void
_watch_cleanup ()
{
    if (_path)
        free (_path);
    if (_value)
        free (_value);
    _path = _value = NULL;
    CU_ASSERT (assert_apteryx_empty ());
}

void
test_watch ()
{
    _path = _value = NULL;
    const char *path = TEST_PATH"/entity/zones/private/state";

    CU_ASSERT (apteryx_set_string (path, NULL, "up"));
    CU_ASSERT (apteryx_watch (path, test_watch_callback));
    CU_ASSERT (apteryx_set_string (path, NULL, "down"));
    usleep (TEST_SLEEP_TIMEOUT);
    CU_ASSERT (_path && strcmp (_path, path) == 0);
    CU_ASSERT (_value && strcmp (_value, "down") == 0);
    CU_ASSERT (apteryx_unwatch (path, test_watch_callback));
    apteryx_set_string (path, NULL, NULL);
    _watch_cleanup ();
}

void
test_watch_root_styles ()
{
    _path = _value = NULL;
    const char *path = TEST_PATH"/entity/zones/private/state";

    GNode *root = APTERYX_NODE (NULL, g_strdup(TEST_PATH));
    apteryx_path_to_node (root, path, "up");
    apteryx_set_tree (root);
    apteryx_free_tree (root);

    CU_ASSERT (apteryx_watch (path, test_watch_callback));

    root = APTERYX_NODE (NULL, g_strdup(TEST_PATH));
    apteryx_path_to_node (root, path, "down");
    CU_ASSERT (apteryx_set_tree (root));
    apteryx_free_tree (root);

    usleep (TEST_SLEEP_TIMEOUT);
    CU_ASSERT (_path && strcmp (_path, path) == 0);
    CU_ASSERT (_value && strcmp (_value, "down") == 0);

    root = APTERYX_NODE (NULL, g_strdup("/"));
    apteryx_path_to_node (root, path, "up");
    apteryx_set_tree (root);
    apteryx_free_tree (root);

    usleep (TEST_SLEEP_TIMEOUT);
    CU_ASSERT (_path && strcmp (_path, path) == 0);
    CU_ASSERT (_value && strcmp (_value, "up") == 0);

    root = APTERYX_NODE (NULL, g_strdup(TEST_PATH));
    apteryx_path_to_node (root, path, "across");
    apteryx_set_tree (root);
    apteryx_free_tree (root);

    usleep (TEST_SLEEP_TIMEOUT);
    CU_ASSERT (_path && strcmp (_path, path) == 0);
    CU_ASSERT (_value && strcmp (_value, "across") == 0);

    CU_ASSERT (apteryx_unwatch (path, test_watch_callback));
    apteryx_set_string (path, NULL, NULL);
    _watch_cleanup ();
}

static int
test_watch_thread_client (void *data)
{
    const char *path = TEST_PATH"/entity/zones/private/state";

    apteryx_set_string (path, NULL, "down");

    return 0;
}

void
test_watch_thread ()
{
    pthread_t client;
    const char *path = TEST_PATH"/entity/zones/private/state";

    _path = _value = NULL;

    CU_ASSERT (apteryx_set_string (path, NULL, "up"));
    CU_ASSERT (apteryx_watch (path, test_watch_callback));

    pthread_create (&client, NULL, (void *) &test_watch_thread_client, (void *) NULL);
    pthread_join (client, NULL);
    usleep (TEST_SLEEP_TIMEOUT);

    CU_ASSERT (_path && strcmp (_path, path) == 0);
    CU_ASSERT (_value && strcmp (_value, "down") == 0);
    CU_ASSERT (apteryx_unwatch (path, test_watch_callback));
    apteryx_set_string (path, NULL, NULL);
    _watch_cleanup ();
}

void
test_watch_fork ()
{
    const char *path = TEST_PATH"/entity/zones/private/state";
    int pid;
    int status;

    _path = _value = NULL;

    apteryx_shutdown ();
    if ((pid = fork ()) == 0)
    {
        apteryx_init (apteryx_debug);
        usleep (TEST_SLEEP_TIMEOUT);
        apteryx_set_string (path, NULL, "down");
        apteryx_shutdown ();
        exit (0);
    }
    else if (pid > 0)
    {
        apteryx_init (apteryx_debug);
        CU_ASSERT (apteryx_watch (path, test_watch_callback));
        usleep (TEST_SLEEP_TIMEOUT * 2);
        waitpid (pid, &status, 0);
        CU_ASSERT (WEXITSTATUS (status) == 0);
    }
    else if (pid < 0)
    {
        CU_ASSERT (0);  //fork failed
    }

    CU_ASSERT (_path && strcmp (_path, path) == 0);
    CU_ASSERT (_value && strcmp (_value, "down") == 0);
    CU_ASSERT (apteryx_unwatch (path, test_watch_callback));
    apteryx_set_string (path, NULL, NULL);
    _watch_cleanup ();
}

void
test_watch_no_match ()
{
    _path = _value = NULL;
    const char *path1 = TEST_PATH"/entity/zones/private/state";
    const char *path2 = TEST_PATH"/entity/zones/private/active";

    CU_ASSERT (apteryx_set_string (path1, NULL, "up"));
    usleep (TEST_SLEEP_TIMEOUT);
    CU_ASSERT (apteryx_watch (path1, test_watch_callback));
    CU_ASSERT (apteryx_set_string (path2, NULL, "true"));
    CU_ASSERT (_path == NULL);
    CU_ASSERT (_value == NULL);
    CU_ASSERT (apteryx_unwatch (path1, test_watch_callback));
    CU_ASSERT (apteryx_set_string (path1, NULL, NULL));
    CU_ASSERT (apteryx_set_string (path2, NULL, NULL));
    _watch_cleanup ();
}

void
test_watch_remove ()
{
    _path = _value = NULL;
    const char *path = TEST_PATH"/entity/zones/private/state";

    CU_ASSERT (apteryx_set_string (path, NULL, "up"));
    usleep (TEST_SLEEP_TIMEOUT);
    CU_ASSERT (apteryx_watch (path, test_watch_callback));
    CU_ASSERT (apteryx_unwatch (path, test_watch_callback));
    usleep (TEST_SLEEP_TIMEOUT);
    CU_ASSERT (apteryx_set_string (path, NULL, "down"));

    CU_ASSERT (_path == NULL);
    CU_ASSERT (_value == NULL);
    CU_ASSERT (apteryx_set_string (path, NULL, NULL));
    _watch_cleanup ();
}

void
test_watch_unset_wildcard_path ()
{
    _path = _value = NULL;
    const char *path = TEST_PATH"/entity/zones/private/state";

    CU_ASSERT (apteryx_set_string (path, NULL, "up"));
    usleep (TEST_SLEEP_TIMEOUT);
    CU_ASSERT (apteryx_watch (TEST_PATH"/entity/zones/private/*", test_watch_callback));
    CU_ASSERT (apteryx_set (path, NULL));
    usleep (TEST_SLEEP_TIMEOUT);

    CU_ASSERT (_path && strcmp (path, _path) == 0);
    CU_ASSERT (_value == NULL);

    CU_ASSERT (apteryx_unwatch (TEST_PATH"/entity/zones/private/*", test_watch_callback));
    _watch_cleanup ();
}

void
test_watch_one_level_path ()
{
    _path = _value = NULL;
    const char *path = TEST_PATH"/entity/zones/private/state";

    CU_ASSERT (apteryx_set_string (path, NULL, "up"));
    CU_ASSERT (apteryx_watch
               (TEST_PATH"/entity/zones/private/", test_watch_callback));
    CU_ASSERT (apteryx_set_string (path, NULL, "down"));
    usleep (TEST_SLEEP_TIMEOUT);
    CU_ASSERT (_path && strcmp (_path, path) == 0);
    CU_ASSERT (_value && strcmp (_value, "down") == 0);

    CU_ASSERT (apteryx_unwatch (TEST_PATH"/entity/zones/private/", test_watch_callback));
    CU_ASSERT (apteryx_set_string (path, NULL, NULL));
    _watch_cleanup ();
}

void
test_watch_one_level_miss ()
{
    _path = _value = NULL;
    const char *path = TEST_PATH"/entity/zones/private/state";

    CU_ASSERT (apteryx_set_string (path, NULL, "up"));
    CU_ASSERT (apteryx_watch (TEST_PATH"/entity/zones/", test_watch_callback));
    CU_ASSERT (apteryx_set_string (path, NULL, "down"));
    usleep (TEST_SLEEP_TIMEOUT);
    CU_ASSERT (_path == NULL);
    CU_ASSERT (_value == NULL);
    CU_ASSERT (apteryx_unwatch (TEST_PATH"/entity/zones/", test_watch_callback));
    CU_ASSERT (apteryx_set_string (path, NULL, NULL));
    _watch_cleanup ();
}

void
test_watch_prune ()
{
    _path = _value = NULL;
    _cb_count = 0;
    const char *path = TEST_PATH"/entity/zones/private/state";

    CU_ASSERT (apteryx_set(path, "up"));
    CU_ASSERT (apteryx_watch (TEST_PATH"/entity/*", test_watch_callback));
    CU_ASSERT (apteryx_prune (TEST_PATH"/entity"));
    usleep (TEST_SLEEP_TIMEOUT);
    CU_ASSERT (_cb_count == 1);
    CU_ASSERT (_path && strcmp (_path, path) == 0);
    CU_ASSERT (apteryx_unwatch (TEST_PATH"/entity/*", test_watch_callback));
    _watch_cleanup ();
}

void
test_watch_prune_multiple ()
{
    _path = _value = NULL;
    _cb_count = 0;
    const char *path = TEST_PATH"/entity/zones/private/state";
    const char *path2 = TEST_PATH"/entity/zones/private/state2";

    CU_ASSERT (apteryx_set(path, "up"));
    CU_ASSERT (apteryx_set(path2, "down"));
    CU_ASSERT (apteryx_watch (TEST_PATH"/entity/*", test_watch_callback));
    CU_ASSERT (apteryx_prune (TEST_PATH"/entity"));
    usleep (TEST_SLEEP_TIMEOUT);
    CU_ASSERT (_cb_count == 2);
    CU_ASSERT (_path && (strcmp (_path, path) == 0 || strcmp (_path, path2) == 0));
    CU_ASSERT (apteryx_unwatch (TEST_PATH"/entity/*", test_watch_callback));
    _watch_cleanup ();
}

void
test_watch_one_level_path_prune ()
{
    _path = _value = NULL;
    const char *path = TEST_PATH"/entity/zones/private";

    CU_ASSERT (apteryx_set_string (path, "state", "up"));
    CU_ASSERT (apteryx_watch
               (TEST_PATH"/entity/zones/private/", test_watch_callback));
    CU_ASSERT (apteryx_prune (TEST_PATH"/entity/zones/private/state"));
    usleep (TEST_SLEEP_TIMEOUT);
    CU_ASSERT (_path && strstr (_path, path));

    CU_ASSERT (apteryx_unwatch (TEST_PATH"/entity/zones/private/", test_watch_callback));
    CU_ASSERT (apteryx_set_string (path, "state", NULL));
    _watch_cleanup ();
}

void
test_watch_empty_path_prune ()
{
    _path = _value = NULL;
    CU_ASSERT (apteryx_watch
               (TEST_PATH"/entity/*", test_watch_callback));
    CU_ASSERT (apteryx_prune (TEST_PATH"/entity/zones/private/state"));
    usleep (TEST_SLEEP_TIMEOUT);
    CU_ASSERT (_path == NULL);
    CU_ASSERT (apteryx_prune (TEST_PATH"/entity/zones"));
    usleep (TEST_SLEEP_TIMEOUT);
    CU_ASSERT (_path == NULL);
    CU_ASSERT (apteryx_prune (TEST_PATH"/entity"));
    usleep (TEST_SLEEP_TIMEOUT);
    CU_ASSERT (_path == NULL);
    CU_ASSERT (apteryx_unwatch (TEST_PATH"/entity/*", test_watch_callback));
    _watch_cleanup ();
}

void
test_watch_wildpath ()
{
    _path = _value = NULL;
    const char *path = TEST_PATH"/entity/zones/private/interface/state";

    CU_ASSERT (apteryx_set_string (path, NULL, "up"));
    CU_ASSERT (apteryx_watch (TEST_PATH"/entity/zones/*/interface/*", test_watch_callback));
    CU_ASSERT (apteryx_set_string (path, NULL, "down"));
    usleep (TEST_SLEEP_TIMEOUT);
    CU_ASSERT (_path && strcmp (_path, path) == 0);
    CU_ASSERT (_value && strcmp (_value, "down") == 0);

    CU_ASSERT (apteryx_unwatch (TEST_PATH"/entity/zones/*/interface/*", test_watch_callback));
    CU_ASSERT (apteryx_set_string (path, NULL, NULL));
    _watch_cleanup ();
}

void
test_watch_wildcard ()
{
    _path = _value = NULL;
    const char *path = TEST_PATH"/entity/zones/private/state";

    CU_ASSERT (apteryx_set_string (path, NULL, "up"));
    CU_ASSERT (apteryx_watch (TEST_PATH"/entity/zones/*", test_watch_callback));
    CU_ASSERT (apteryx_set_string (path, NULL, "down"));
    usleep (TEST_SLEEP_TIMEOUT);
    CU_ASSERT (_path && strcmp (_path, path) == 0);
    CU_ASSERT (_value && strcmp (_value, "down") == 0);

    CU_ASSERT (apteryx_unwatch (TEST_PATH"/entity/zones/*", test_watch_callback));
    CU_ASSERT (apteryx_set_string (path, NULL, NULL));
    _watch_cleanup ();
}

/* We now support wildcards in the watch path
 */
void
test_watch_wildcard_not_last ()
{
    _path = _value = NULL;
    const char *path = TEST_PATH"/entity/zones/public/state";

    usleep (TEST_SLEEP_TIMEOUT);
    CU_ASSERT (apteryx_watch
               (TEST_PATH"/entity/zones/*/state", test_watch_callback));
    CU_ASSERT (apteryx_set_string (path, NULL, "up"));
    usleep (TEST_SLEEP_TIMEOUT);
    CU_ASSERT (_path && strcmp(_path, path) == 0);
    CU_ASSERT (apteryx_unwatch (TEST_PATH"/entity/zones/*/state", test_watch_callback));
    CU_ASSERT (apteryx_set_string (path, NULL, NULL));
    _watch_cleanup ();
}

void
test_watch_wildcard_miss ()
{
    _path = _value = NULL;

    CU_ASSERT (apteryx_watch
               (TEST_PATH"/entity/zones/private/*", test_watch_callback));
    CU_ASSERT (apteryx_watch
               (TEST_PATH"/entity/zones/private/active", test_watch_callback));
    CU_ASSERT (apteryx_watch (TEST_PATH"/entity/other/*", test_watch_callback));
    CU_ASSERT (apteryx_set_string (TEST_PATH"/entity/zones/public/state", NULL, "up"));
    usleep (TEST_SLEEP_TIMEOUT);

    CU_ASSERT (_path == NULL);
    CU_ASSERT (_value == NULL);

    CU_ASSERT (apteryx_unwatch (TEST_PATH"/entity/zones/private/*", test_watch_callback));
    CU_ASSERT (apteryx_unwatch (TEST_PATH"/entity/zones/private/active", test_watch_callback));
    CU_ASSERT (apteryx_unwatch (TEST_PATH"/entity/other/*", test_watch_callback));

    apteryx_set_string (TEST_PATH"/entity/zones/public/state", NULL, NULL);
    _watch_cleanup ();
}

static bool
test_watch_set_callback_get_cb (const char *path, const char *value)
{
    char *value2 = NULL;
    CU_ASSERT ((value2 = apteryx_get (path)) != NULL);
    CU_ASSERT (value && value2 && strcmp (value, value2) == 0);
    free ((void *) value2);
    return true;
}

void
test_watch_set_callback_get ()
{
    const char *path = TEST_PATH"/entity/zones/private/state";
    CU_ASSERT (apteryx_watch (path, test_watch_set_callback_get_cb));
    CU_ASSERT (apteryx_set_string (path, NULL, "up"));
    usleep (TEST_SLEEP_TIMEOUT);
    CU_ASSERT (apteryx_unwatch (path, test_watch_set_callback_get_cb));
    usleep (TEST_SLEEP_TIMEOUT);
    CU_ASSERT (apteryx_set_string (path, NULL, NULL));
    _watch_cleanup ();
}

static bool
test_watch_set_callback_set_recursive_cb (const char *path, const char *value)
{
    apteryx_set_string (path, NULL, "down");
    return true;
}

void
test_watch_set_callback_set_recursive ()
{
    const char *path = TEST_PATH"/entity/zones/private/state";
    CU_ASSERT (apteryx_watch (path, test_watch_set_callback_set_recursive_cb));
    CU_ASSERT (apteryx_set_string (path, NULL, "up"));
    usleep (TEST_SLEEP_TIMEOUT);
    CU_ASSERT (apteryx_unwatch (path, test_watch_set_callback_set_recursive_cb));
    usleep (TEST_SLEEP_TIMEOUT);
    CU_ASSERT (apteryx_set_string (path, NULL, NULL));
    usleep (2*RPC_TIMEOUT_US); /* At least */
    _watch_cleanup ();
}

static bool
test_watch_set_multi_callback_set_cb (const char *path, const char *value)
{
    usleep (TEST_SLEEP_TIMEOUT);
    apteryx_set_string (TEST_PATH"/entity/zones/public", "state", "down");
    return true;
}

void
test_watch_set_multi_callback_set ()
{
    GNode* root;
    CU_ASSERT (apteryx_watch (TEST_PATH"/entity/zones/private/*", test_watch_set_multi_callback_set_cb));
    root = APTERYX_NODE (NULL, TEST_PATH"/entity/zones/private");
    APTERYX_LEAF (root, "1", "1");
    APTERYX_LEAF (root, "2", "2");
    APTERYX_LEAF (root, "3", "3");
    APTERYX_LEAF (root, "4", "4");
    APTERYX_LEAF (root, "5", "5");
    APTERYX_LEAF (root, "6", "6");
    APTERYX_LEAF (root, "7", "7");
    APTERYX_LEAF (root, "8", "8");
    APTERYX_LEAF (root, "9", "9");
    CU_ASSERT (apteryx_set_tree (root));
    usleep (10 * TEST_SLEEP_TIMEOUT);
    CU_ASSERT (apteryx_unwatch (TEST_PATH"/entity/zones/private/*", test_watch_set_multi_callback_set_cb));
    usleep (TEST_SLEEP_TIMEOUT);
    CU_ASSERT (apteryx_prune (TEST_PATH"/entity/zones"));
    apteryx_set_string (TEST_PATH"/entity/zones/public", "state", NULL);
    g_node_destroy (root);
    CU_ASSERT (assert_apteryx_empty ());
}

static bool
test_watch_set_callback_unwatch_cb (const char *path, const char *value)
{
    apteryx_unwatch (path, test_watch_set_callback_unwatch_cb);
    return true;
}

void
test_watch_set_callback_unwatch ()
{
    const char *path = TEST_PATH"/entity/zones/private/state";
    CU_ASSERT (apteryx_watch (path, test_watch_set_callback_unwatch_cb));
    CU_ASSERT (apteryx_set_string (path, NULL, "up"));
    usleep (TEST_SLEEP_TIMEOUT);
    CU_ASSERT (apteryx_set_string (path, NULL, NULL));
    _watch_cleanup ();
}

bool test_watch_set_thread_done = false;
static bool
test_watch_set_thread_cb (const char *path, const char *value)
{
    apteryx_unwatch (path, test_watch_set_thread_cb);
    apteryx_set_string (path, NULL, "down");
    test_watch_set_thread_done = true;
    return true;
}

static int
test_watch_set_thread_client (void *data)
{
    const char *path = TEST_PATH"/entity/zones/private/state";
    apteryx_watch (path, test_watch_set_thread_cb);
    while (!test_watch_set_thread_done)
        usleep (10);
    return 0;
}

void
test_watch_set_thread ()
{
    pthread_t client;
    const char *path = TEST_PATH"/entity/zones/private/state";
    char *value;

    _path = _value = NULL;
    pthread_create (&client, NULL, (void *) &test_watch_set_thread_client, (void *) NULL);
    usleep (TEST_SLEEP_TIMEOUT);
    CU_ASSERT (apteryx_set_string (path, NULL, "up"));
    pthread_join (client, NULL);
    CU_ASSERT ((value = apteryx_get (path)) != NULL);
    CU_ASSERT (value && strcmp (value, "down") == 0);
    free ((void *) value);
    apteryx_set_string (path, NULL, NULL);
    _watch_cleanup ();
}

static bool
test_watch_adds_watch_cb (const char *path, const char *value)
{
    if (strcmp (path, TEST_PATH"/entity/zones/public/state") == 0)
    {
        _cb_count++;
        apteryx_watch (path, test_watch_callback);
        apteryx_unwatch (TEST_PATH"/entity/zones/public/*", test_watch_adds_watch_cb);
    }
    return true;
}

void
test_watch_adds_watch ()
{
    _path = _value = NULL;
    _cb_count = 0;

    apteryx_watch (TEST_PATH"/entity/zones/public/*", test_watch_adds_watch_cb);
    apteryx_set_string (TEST_PATH"/entity/zones/public/state", NULL, "new_cb");
    usleep (TEST_SLEEP_TIMEOUT);
    CU_ASSERT (_cb_count == 1);
    apteryx_set_string (TEST_PATH"/entity/zones/public/state", NULL, "new_cb_two");
    usleep (TEST_SLEEP_TIMEOUT);
    CU_ASSERT (_cb_count == 2);
    CU_ASSERT (_path && strcmp (TEST_PATH"/entity/zones/public/state", _path) == 0);
    CU_ASSERT (_value && strcmp ("new_cb_two", _value) == 0);
    apteryx_unwatch (TEST_PATH"/entity/zones/public/state", test_watch_callback);
    apteryx_set_string (TEST_PATH"/entity/zones/public/state", NULL, NULL);
    _watch_cleanup ();
}

static bool
test_watch_removes_all_watchs_cb (const char *path, const char *value)
{
    if (path && strcmp (path, TEST_PATH"/entity/zones/public/state") == 0)
    {
        _cb_count++;
        apteryx_unwatch (TEST_PATH"/entity/zones/public/state",test_watch_removes_all_watchs_cb);
        apteryx_unwatch (TEST_PATH"/entity/zones/public/*", test_watch_removes_all_watchs_cb);
        apteryx_unwatch (TEST_PATH"/*", test_watch_removes_all_watchs_cb);
        apteryx_unwatch (TEST_PATH"/entity/zones/public/active", test_watch_removes_all_watchs_cb);
    }
    return true;
}

void
test_watch_removes_all_watches ()
{
    const char *path = TEST_PATH"/entity/zones/public/state";
    _cb_count = 0;
    _path = _value = NULL;

    apteryx_set_string (path, NULL, "new_cb_two");
    usleep (TEST_SLEEP_TIMEOUT);
    apteryx_watch (TEST_PATH"/*", test_watch_removes_all_watchs_cb);
    apteryx_watch (TEST_PATH"/entity/zones/public/*", test_watch_removes_all_watchs_cb);
    apteryx_watch (TEST_PATH"/entity/zones/public/active", test_watch_removes_all_watchs_cb);
    apteryx_watch (TEST_PATH"/entity/zones/public/state", test_watch_removes_all_watchs_cb);
    apteryx_set (path, NULL);
    usleep (TEST_SLEEP_TIMEOUT);
    CU_ASSERT (_cb_count == 1);
    apteryx_set_string (path, NULL, "new_cb_two");
    usleep (TEST_SLEEP_TIMEOUT);
    CU_ASSERT (_cb_count == 1);
    apteryx_set_string (path, NULL, NULL);
    _watch_cleanup ();
}

static pthread_mutex_t watch_count_lock = PTHREAD_MUTEX_INITIALIZER;

static bool
test_watch_count_callback (const char *path, const char *value)
{
    char *v;
    pthread_mutex_lock (&watch_count_lock);
    CU_ASSERT ((asprintf ((char **) &v, "%d", _cb_count)+1) != 0);
    CU_ASSERT (value && v && strcmp ((char*)value, v) == 0);
    free (v);
    _cb_count++;
    pthread_mutex_unlock (&watch_count_lock);
    return true;
}

static bool
test_watch_busy_callback (const char *path, const char *value)
{
    int i;
    for (i=0;i<100;i++)
    {
        CU_ASSERT (apteryx_set_int (TEST_PATH"/interfaces/eth0/packets", NULL, i));
    }
    usleep (RPC_TIMEOUT_US);
    return true;
}

void
test_watch_when_busy ()
{
    _cb_count = 0;
    CU_ASSERT (apteryx_set_int (TEST_PATH"/interfaces/eth0/packets", NULL, 0));
    CU_ASSERT (apteryx_watch (TEST_PATH"/interfaces/eth0/packets", test_watch_count_callback));
    CU_ASSERT (apteryx_watch (TEST_PATH"/busy/watch", test_watch_busy_callback));
    CU_ASSERT (apteryx_set_string (TEST_PATH"/busy/watch", NULL, "go"));
    usleep (2*RPC_TIMEOUT_US);
    CU_ASSERT (_cb_count == 100);
    CU_ASSERT (apteryx_get_int (TEST_PATH"/interfaces/eth0/packets", NULL) == 99);
    CU_ASSERT (apteryx_unwatch (TEST_PATH"/interfaces/eth0/packets", test_watch_count_callback));
    CU_ASSERT (apteryx_unwatch (TEST_PATH"/busy/watch", test_watch_busy_callback));
    apteryx_set (TEST_PATH"/interfaces/eth0/packets", NULL);
    apteryx_set (TEST_PATH"/busy/watch", NULL);
    _watch_cleanup ();
}

void
test_watch_order ()
{
    int count = 1000;
    int i;

    _cb_count = 0;
    CU_ASSERT (apteryx_watch (TEST_PATH"/interfaces/eth0/packets", test_watch_count_callback));
    rpc_test_random_watch_delay = true;
    for (i=0; i<count; i++)
    {
        CU_ASSERT (apteryx_set_int (TEST_PATH"/interfaces/eth0/packets", NULL, i));
    }
    usleep (TEST_SLEEP_TIMEOUT + count * RPC_TEST_DELAY_MASK);
    rpc_test_random_watch_delay = false;

    CU_ASSERT (_cb_count == count);
    CU_ASSERT (apteryx_get_int (TEST_PATH"/interfaces/eth0/packets", NULL) == count - 1);
    CU_ASSERT (apteryx_unwatch (TEST_PATH"/interfaces/eth0/packets", test_watch_count_callback));
    apteryx_set (TEST_PATH"/interfaces/eth0/packets", NULL);
    _watch_cleanup ();
}

void
test_watch_rpc_restart ()
{
    _path = _value = NULL;
    const char *path = TEST_PATH"/entity/zones/private/state";

    CU_ASSERT (apteryx_set_string (path, NULL, "up"));
    CU_ASSERT (apteryx_watch (path, test_watch_callback));
    apteryx_shutdown ();
    apteryx_init (apteryx_debug);
    CU_ASSERT (apteryx_set_string (path, NULL, "down"));
    usleep (TEST_SLEEP_TIMEOUT);
    CU_ASSERT (_path && strcmp (_path, path) == 0);
    CU_ASSERT (_value && strcmp (_value, "down") == 0);
    apteryx_shutdown ();
    apteryx_init (apteryx_debug);
    CU_ASSERT (apteryx_set_string (path, NULL, "up"));
    usleep (TEST_SLEEP_TIMEOUT);
    CU_ASSERT (_path && strcmp (_path, path) == 0);
    CU_ASSERT (_value && strcmp (_value, "up") == 0);
    CU_ASSERT (apteryx_unwatch (path, test_watch_callback));
    apteryx_set_string (path, NULL, NULL);
    _watch_cleanup ();
}

static pthread_mutex_t watch_lock;
static int watch_count;

static bool
test_watch_block_callback (const char *path, const char *value)
{
    pthread_mutex_lock (&watch_lock);
    watch_count++;
    pthread_mutex_unlock (&watch_lock);
    return true;
}

void
test_watch_myself_blocked ()
{
    const char *path = TEST_PATH"/entity/zones/private/state";
    int i;

    pthread_mutex_init (&watch_lock, NULL);
    pthread_mutex_lock (&watch_lock);
    watch_count = 0;
    CU_ASSERT (apteryx_watch (path, test_watch_block_callback));
    for (i = 0; i < 30; i++)
    {
        CU_ASSERT (apteryx_set (path, "down"));
    }
    pthread_mutex_unlock (&watch_lock);
    usleep (TEST_SLEEP_TIMEOUT);
    pthread_mutex_lock (&watch_lock);
    pthread_mutex_unlock (&watch_lock);
    usleep (TEST_SLEEP_TIMEOUT);
    CU_ASSERT (watch_count == 30);
    CU_ASSERT (apteryx_unwatch (path, test_watch_block_callback));
    CU_ASSERT (apteryx_set (path, NULL));
    CU_ASSERT (assert_apteryx_empty ());
}


static pthread_t watch_thread_id = -1;
static bool
test_watch_callback_thread_info (const char *path, const char *value)
{
    if (_path)
        free (_path);
    if (_value)
        free (_value);

    usleep(TEST_SLEEP_TIMEOUT / 100);

    if (watch_thread_id == -1)
        watch_thread_id = pthread_self ();
    else
        CU_ASSERT (pthread_self() == watch_thread_id);

    _path = strdup (path);
    if (value)
        _value = strdup (value);
    else
        _value = NULL;
    _cb_count++;
    return true;
}


void
test_watch_ack_thread ()
{
    const char *path = TEST_PATH"/entity/zones/private/state";
    _cb_count = 0;
    watch_thread_id = -1;
    CU_ASSERT (apteryx_watch (path, test_watch_callback_thread_info));
    apteryx_set (path, "1");
    apteryx_set_wait (path, "2");

    /* By the time the apteryx_set_wait finishes we have to have cleared the
     * backlog of watch callbacks.
     */
    CU_ASSERT (_cb_count == 2);
    apteryx_set (path, "3");

    /* The test sleep timeout should be long enough for the callback to be
     * called.
     */
    usleep (TEST_SLEEP_TIMEOUT);
    CU_ASSERT (_cb_count == 3);
    CU_ASSERT (apteryx_unwatch (path, test_watch_callback_thread_info));
    apteryx_prune (TEST_PATH);
    if (_path)
        free(_path);
    if (_value)
        free(_value);
    _path = NULL;
}

static bool
test_watch_sigmask_callback (const char *path, const char *value)
{
    sigset_t empty;
    sigset_t set;
    sigemptyset (&empty);
    pthread_sigmask (SIG_SETMASK, NULL, &set);
    if (memcmp ((void *)&set, (void *)&empty, sizeof (sigset_t)) != 0)
        dump_sigset_t (&set);
    CU_ASSERT (memcmp ((void *)&set, (void *)&empty, sizeof (sigset_t)) == 0);
    return true;
}

void
test_watch_sigmask ()
{
    const char *path = TEST_PATH"/entity/zones/private/state";
    CU_ASSERT (apteryx_watch (path, test_watch_sigmask_callback));
    CU_ASSERT (apteryx_set_string (path, NULL, "down"));
    CU_ASSERT (apteryx_unwatch (path, test_watch_sigmask_callback));
    apteryx_set_string (path, NULL, NULL);
}

static bool
test_perf_watch_callback (const char *path, const char *value)
{
    pthread_mutex_unlock (&watch_lock);
    return true;
}

void
test_perf_watch ()
{
    _path = _value = NULL;
    const char *path = TEST_PATH"/entity/zones/private/state";
    uint64_t start;
    int i;

    pthread_mutex_init (&watch_lock, NULL);
    CU_ASSERT (apteryx_watch (path, test_perf_watch_callback));
    start = get_time_us ();
    for (i = 0; i < TEST_ITERATIONS; i++)
    {
        pthread_mutex_lock (&watch_lock);
        CU_ASSERT (apteryx_set (path, "down"));
    }
    pthread_mutex_destroy (&watch_lock);
    printf ("%"PRIu64"us ... ", (get_time_us () - start) / TEST_ITERATIONS);

    CU_ASSERT (apteryx_unwatch (path, test_perf_watch_callback));
    apteryx_set_string (path, NULL, NULL);
    CU_ASSERT (assert_apteryx_empty ());
}

int
test_validate_callback(const char *path, const char *value)
{
    return 0;
}

int
test_validate_refuse_callback(const char *path, const char *value)
{
    return -EPERM;
}

void
test_validate()
{
    _path = _value = NULL;
    const char *path = TEST_PATH"/entity/zones/private/state";

    CU_ASSERT (apteryx_validate (path, test_validate_callback));
    CU_ASSERT (apteryx_set_string (path, NULL, "down"));
    CU_ASSERT (apteryx_validate (path, test_validate_refuse_callback));
    CU_ASSERT (!apteryx_set_string (path, NULL, "up"));
    CU_ASSERT (errno == -EPERM);
    usleep (TEST_SLEEP_TIMEOUT);
    CU_ASSERT (apteryx_unvalidate (path, test_validate_callback));
    CU_ASSERT (apteryx_unvalidate (path, test_validate_refuse_callback));
    apteryx_set_string (path, NULL, NULL);
}

void
test_validate_prune()
{
    _path = _value = NULL;
    const char *path = TEST_PATH"/hostname";

    CU_ASSERT (apteryx_validate (path, test_validate_callback));
    CU_ASSERT (apteryx_set_string (path, NULL, "testing"));
    CU_ASSERT (apteryx_prune (path));

    CU_ASSERT (apteryx_set_string (path, NULL, "testing"));
    CU_ASSERT (apteryx_validate (path, test_validate_refuse_callback));
    CU_ASSERT (!apteryx_prune (path));
    CU_ASSERT (errno == -EPERM);

    usleep (TEST_SLEEP_TIMEOUT);
    CU_ASSERT (apteryx_unvalidate (path, test_validate_callback));
    CU_ASSERT (apteryx_unvalidate (path, test_validate_refuse_callback));
    apteryx_set_string (path, NULL, NULL);

}

void
test_validate_one_level()
{
    _path = _value = NULL;
    const char *path = TEST_PATH"/entity/zones/private/";

    CU_ASSERT (apteryx_validate (path, test_validate_refuse_callback));
    usleep (TEST_SLEEP_TIMEOUT);
    CU_ASSERT (!apteryx_set_string (TEST_PATH"/entity/zones/private", "state", "up"));
    usleep (TEST_SLEEP_TIMEOUT);
    CU_ASSERT (apteryx_unvalidate (path, test_validate_refuse_callback));
    apteryx_set_string (path, "state", NULL);
}

void
test_validate_wildcard()
{
    _path = _value = NULL;
    const char *path = TEST_PATH"/entity/zones/*";

    CU_ASSERT (apteryx_validate (path, test_validate_refuse_callback));
    usleep (TEST_SLEEP_TIMEOUT);
    CU_ASSERT (!apteryx_set_string (TEST_PATH"/entity/zones/one/two", "state", "up"));
    usleep (TEST_SLEEP_TIMEOUT);
    CU_ASSERT (apteryx_unvalidate (path, test_validate_refuse_callback));
    apteryx_set_string (path, NULL, NULL);
}

void
test_validate_wildcard_internal()
{
    _path = _value = NULL;
    const char *path = TEST_PATH"/entity/*/private/state";

    CU_ASSERT (apteryx_validate (path, test_validate_refuse_callback));
    usleep (TEST_SLEEP_TIMEOUT);
    CU_ASSERT (!apteryx_set_string (TEST_PATH"/entity/zones/private", "state", "up"));
    CU_ASSERT (apteryx_set_string (TEST_PATH"/entity/zones/private", "link", "up"));
    usleep (TEST_SLEEP_TIMEOUT);
    CU_ASSERT (apteryx_unvalidate (path, test_validate_refuse_callback));
    apteryx_set_string (TEST_PATH"/entity/zones/private", "state", NULL);
    apteryx_set_string (TEST_PATH"/entity/zones/private", "link", NULL);
    CU_ASSERT (assert_apteryx_empty ());
}

static int
test_validate_thread_client (void *data)
{
    const char *path = TEST_PATH"/entity/zones/private/state";
    const char *value = (char*)data;
    bool res = apteryx_set_string (path, NULL, value);
    if (g_strcmp0 (value, "down") == 0)
    {
        CU_ASSERT (res == false && errno == -EPERM);
    }
    else
    {
        CU_ASSERT (res);
    }
    return 0;
}

int
test_validate_conflicting_callback(const char *path, const char *value)
{
    if (g_strcmp0 (value, "down") == 0)
        return -EPERM;
    return 0;
}

void
test_validate_conflicting ()
{
    pthread_t clients[32];
    const char *path = TEST_PATH"/entity/zones/private/state";
    char *value;

    CU_ASSERT (apteryx_validate (path, test_validate_conflicting_callback));
    usleep (TEST_SLEEP_TIMEOUT);
    for (int i=0; i<32; i++)
    {
        pthread_create (&clients[i], NULL, (void *) &test_validate_thread_client, (i % 2 == 0) ? "up" : "down");
    }
    for (int i=0; i<32; i++)
    {
        pthread_join (clients[i], NULL);
    }
    CU_ASSERT ((value = apteryx_get (path)) != NULL);
    CU_ASSERT (value && strcmp (value, "up") == 0);
    free ((void *) value);

    CU_ASSERT (apteryx_unvalidate (path, test_validate_conflicting_callback));
    apteryx_set (path, NULL);
    CU_ASSERT (assert_apteryx_empty ());
}

void
test_validate_tree ()
{
    GNode* root;

    CU_ASSERT (apteryx_validate (TEST_PATH"/entity/zones/private/*", test_validate_callback));

    root = APTERYX_NODE (NULL, TEST_PATH"/entity/zones/private");
    APTERYX_LEAF (root, "1", "1");
    APTERYX_LEAF (root, "2", "2");
    APTERYX_LEAF (root, "3", "3");
    APTERYX_LEAF (root, "4", "4");
    APTERYX_LEAF (root, "5", "5");
    APTERYX_LEAF (root, "6", "6");
    APTERYX_LEAF (root, "7", "7");
    APTERYX_LEAF (root, "8", "8");
    APTERYX_LEAF (root, "9", "9");
    CU_ASSERT (apteryx_set_tree (root));
    usleep (TEST_SLEEP_TIMEOUT);
    CU_ASSERT (apteryx_unvalidate (TEST_PATH"/entity/zones/private/*", test_validate_callback));
    CU_ASSERT (apteryx_prune (TEST_PATH"/entity/zones"));
    g_node_destroy (root);
    CU_ASSERT (assert_apteryx_empty ());
}

static bool
test_set_from_watch_cb (const char *path, const char *value)
{
    CU_ASSERT (apteryx_set_string (TEST_PATH"/entity/zones/public", "name", "public"));
    return true;
}

void
test_validate_from_watch_callback ()
{
    CU_ASSERT (apteryx_watch (TEST_PATH"/entity/zones/private/*", test_set_from_watch_cb));
    CU_ASSERT (apteryx_validate (TEST_PATH"/entity/zones/public/*", test_validate_callback));
    CU_ASSERT (apteryx_set_string (TEST_PATH"/entity/zones/private", "link", "up"));
    usleep (1.1 * RPC_TIMEOUT_US);
    CU_ASSERT (apteryx_unvalidate (TEST_PATH"/entity/zones/public/*", test_validate_callback));
    CU_ASSERT (apteryx_unwatch (TEST_PATH"/entity/zones/private/*", test_set_from_watch_cb));
    CU_ASSERT (apteryx_set_string (TEST_PATH"/entity/zones/private", "link", NULL));
    CU_ASSERT (apteryx_prune (TEST_PATH"/entity/zones"));
    CU_ASSERT (assert_apteryx_empty ());
}

void
test_validate_from_many_watches ()
{
    GNode* root;

    CU_ASSERT (apteryx_watch (TEST_PATH"/entity/zones/private/*", test_set_from_watch_cb));
    CU_ASSERT (apteryx_validate (TEST_PATH"/entity/zones/public/*", test_validate_callback));
    root = APTERYX_NODE (NULL, TEST_PATH"/entity/zones/private");
    APTERYX_LEAF (root, "1", "1");
    APTERYX_LEAF (root, "2", "2");
    APTERYX_LEAF (root, "3", "3");
    APTERYX_LEAF (root, "4", "4");
    CU_ASSERT (apteryx_set_tree (root));
    usleep (5 * RPC_TIMEOUT_US);
    CU_ASSERT (apteryx_unvalidate (TEST_PATH"/entity/zones/public/*", test_validate_callback));
    CU_ASSERT (apteryx_unwatch (TEST_PATH"/entity/zones/private/*", test_set_from_watch_cb));
    CU_ASSERT (apteryx_prune (TEST_PATH"/entity/zones"));
    g_node_destroy (root);
    CU_ASSERT (assert_apteryx_empty ());
}

static int test_validate_order_index;

int
test_validate_order_callback (const char *path, const char *value)
{
    int index;
    CU_ASSERT (sscanf (path, TEST_PATH"/entity/zones/private/%d", &index) == 1);
    CU_ASSERT (index == test_validate_order_index);
    test_validate_order_index++;
    return 0;
}

static bool
test_validate_order_watch_callback (const char *path, const char *value)
{
    int index;
    CU_ASSERT (sscanf (path, TEST_PATH"/entity/zones/private/%d", &index) == 1);
    CU_ASSERT (index <= test_validate_order_index);
    return true;
}

void
test_validate_ordering ()
{
    char *path;
    int i;

    CU_ASSERT (apteryx_watch (TEST_PATH"/entity/zones/private/*", test_validate_order_watch_callback));
    CU_ASSERT (apteryx_validate (TEST_PATH"/entity/zones/private/*", test_validate_order_callback));
    test_validate_order_index = 0;
    for (i=0; i<100; i++)
    {
        CU_ASSERT (asprintf (&path, TEST_PATH"/entity/zones/private/%d", i) > 0);
        CU_ASSERT (apteryx_set_int (path, NULL, i));
        free (path);
    }
    usleep (TEST_SLEEP_TIMEOUT);
    CU_ASSERT (apteryx_unvalidate (TEST_PATH"/entity/zones/private/*", test_validate_order_callback));
    CU_ASSERT (apteryx_unwatch (TEST_PATH"/entity/zones/private/*", test_validate_order_watch_callback));
    CU_ASSERT (apteryx_prune (TEST_PATH"/entity/zones"));
    CU_ASSERT (assert_apteryx_empty ());
}

static int
test_validate_order_tree_callback (const char *path, const char *value)
{
    int index;
    CU_ASSERT (sscanf (path, TEST_PATH"/entity/zones/private/%d", &index) == 1);
    CU_ASSERT (test_validate_order_index < 10);
    test_validate_order_index++;
    return 0;
}

static bool
test_validate_order_tree_watch_callback (const char *path, const char *value)
{
    int index;
    CU_ASSERT (sscanf (path, TEST_PATH"/entity/zones/private/%d", &index) == 1);
    CU_ASSERT (test_validate_order_index >= 10);
    test_validate_order_index++;
    return true;
}

void
test_validate_ordering_tree ()
{
    GNode* root;

    CU_ASSERT (apteryx_watch (TEST_PATH"/entity/zones/private/*", test_validate_order_tree_watch_callback));
    CU_ASSERT (apteryx_validate (TEST_PATH"/entity/zones/private/*", test_validate_order_tree_callback));
    root = APTERYX_NODE (NULL, TEST_PATH"/entity/zones/private");
    APTERYX_LEAF (root, "9", "9");
    APTERYX_LEAF (root, "8", "8");
    APTERYX_LEAF (root, "7", "7");
    APTERYX_LEAF (root, "6", "6");
    APTERYX_LEAF (root, "5", "5");
    APTERYX_LEAF (root, "4", "4");
    APTERYX_LEAF (root, "3", "3");
    APTERYX_LEAF (root, "2", "2");
    APTERYX_LEAF (root, "1", "1");
    APTERYX_LEAF (root, "0", "0");
    test_validate_order_index = 0;
    CU_ASSERT (apteryx_set_tree (root));
    usleep (TEST_SLEEP_TIMEOUT);
    CU_ASSERT (apteryx_unvalidate (TEST_PATH"/entity/zones/private/*", test_validate_order_tree_callback));
    CU_ASSERT (apteryx_unwatch (TEST_PATH"/entity/zones/private/*", test_validate_order_tree_watch_callback));
    CU_ASSERT (apteryx_prune (TEST_PATH"/entity/zones"));
    g_node_destroy (root);
    CU_ASSERT (assert_apteryx_empty ());
}

static int _cb_timeout;
static int _cb_delay = 0;
static uint64_t
test_refresh_callback (const char *path)
{
    char *value = g_strdup_printf ("%d", _cb_count);
    apteryx_set (path, value);
    g_free (value);
    _cb_count++;
    usleep (_cb_delay);
    return _cb_timeout;
}

void
test_refresh ()
{
    const char *path = TEST_PATH"/interfaces/eth0/state";
    const char *value = NULL;

    _cb_count = 0;
    _cb_timeout = 0;
    _cb_delay = 0;
    CU_ASSERT (apteryx_refresh (path, test_refresh_callback));
    CU_ASSERT ((value = apteryx_get (path)) != NULL);
    CU_ASSERT (value && strcmp (value, "0") == 0);
    if (value)
        free ((void *) value);
    CU_ASSERT (_cb_count == 1);
    apteryx_unrefresh (path, test_refresh_callback);
    CU_ASSERT (apteryx_set (path, NULL));
    CU_ASSERT (assert_apteryx_empty ());
}

void
test_refresh_unneeded ()
{
    const char *path = TEST_PATH"/interfaces/eth0/state";
    const char *value = NULL;

    _cb_count = 0;
    _cb_timeout = 5 * 1000 * 1000;
    _cb_delay = 0;
    CU_ASSERT (apteryx_refresh (path, test_refresh_callback));
    CU_ASSERT ((value = apteryx_get (path)) != NULL);
    CU_ASSERT (value && strcmp (value, "0") == 0);
    if (value)
        free ((void *) value);
    CU_ASSERT (_cb_count == 1);
    CU_ASSERT ((value = apteryx_get (path)) != NULL);
    CU_ASSERT (value && strcmp (value, "0") == 0);
    if (value)
        free ((void *) value);
    CU_ASSERT (_cb_count == 1);
    apteryx_unrefresh (path, test_refresh_callback);
    CU_ASSERT (apteryx_set (path, NULL));
    CU_ASSERT (assert_apteryx_empty ());
}

void
test_refresh_timeout ()
{
    const char *path = TEST_PATH"/interfaces/eth0/state";
    const char *value = NULL;

    _cb_count = 0;
    _cb_timeout = 5000;
    _cb_delay = 0;
    CU_ASSERT (apteryx_refresh (path, test_refresh_callback));
    CU_ASSERT ((value = apteryx_get (path)) != NULL);
    CU_ASSERT (value && strcmp (value, "0") == 0);
    if (value)
        free ((void *) value);
    CU_ASSERT (_cb_count == 1);
    CU_ASSERT ((value = apteryx_get (path)) != NULL);
    CU_ASSERT (value && strcmp (value, "0") == 0);
    if (value)
        free ((void *) value);
    CU_ASSERT (_cb_count == 1);
    usleep (_cb_timeout);
    CU_ASSERT ((value = apteryx_get (path)) != NULL);
    CU_ASSERT (value && strcmp (value, "1") == 0);
    if (value)
        free ((void *) value);
    CU_ASSERT (_cb_count == 2);
    apteryx_unrefresh (path, test_refresh_callback);
    CU_ASSERT (apteryx_set (path, NULL));
    CU_ASSERT (assert_apteryx_empty ());
}

static uint64_t
test_refresh_a_callback (const char *path)
{
    _cb_count++;
    apteryx_set_int (TEST_PATH"/interfaces/eth0", "one_hundred", 100);
    return _cb_timeout;
}

static uint64_t
test_refresh_b_callback (const char *path)
{
    _cb_count++;
    apteryx_set_int (TEST_PATH"/interfaces/eth0", "collision", 200);
    return _cb_timeout;
}

static uint64_t
test_refresh_c_callback (const char *path)
{
    _cb_count++;
    apteryx_set_int (TEST_PATH"/interfaces/eth0", "collision", 300);
    return _cb_timeout;
}

void
test_refresh_collision ()
{
    const char *path = TEST_PATH"/interfaces/eth0/*";

    _cb_count = 0;
    _cb_timeout = TEST_SLEEP_TIMEOUT / 2;
    _cb_delay = 0;

    CU_ASSERT (apteryx_refresh (path, test_refresh_a_callback));
    CU_ASSERT (apteryx_refresh (path, test_refresh_b_callback));
    CU_ASSERT (apteryx_refresh (path, test_refresh_c_callback));

    /* Call in order to get times on these fields */
    apteryx_get_int (TEST_PATH"/interfaces/eth0", "one_hundred");
    usleep (TEST_SLEEP_TIMEOUT);
    CU_ASSERT (_cb_count == 3);

    _cb_count = 0;
    /* We should get 6 refreshes, one for each path for each callback above.
     * "one_hundred" is provided by one, and the other two collide
     * trying to set the "collision" field
     */
    CU_ASSERT (100 == apteryx_get_int (TEST_PATH"/interfaces/eth0","one_hundred"));
    CU_ASSERT (_cb_count == 3);
    CU_ASSERT (200 == apteryx_get_int (TEST_PATH"/interfaces/eth0","collision") ||
               300 == apteryx_get_int (TEST_PATH"/interfaces/eth0","collision"));
    CU_ASSERT (_cb_count == 6);

    apteryx_unrefresh (path, test_refresh_a_callback);
    apteryx_unrefresh (path, test_refresh_b_callback);
    apteryx_unrefresh (path, test_refresh_c_callback);

    CU_ASSERT (apteryx_prune (TEST_PATH"/interfaces/eth0"));
    CU_ASSERT (assert_apteryx_empty ());
}

static void *
_state_get_thread (void *priv)
{
    char *value = apteryx_get ((const char *)priv);

    /* These should all get called before the refresh is hit a second time */
    CU_ASSERT (value != NULL);
    if (value)
        CU_ASSERT (strcmp(value, "0") == 0);
    free (value);
    return NULL;
}

void
test_refresh_concurrent ()
{
    const char *path = TEST_PATH"/interfaces/eth0/state";
    int client_count = 7;
    pthread_t clients[client_count];
    int i;

    _cb_count = 0;
    _cb_timeout = TEST_SLEEP_TIMEOUT;
    _cb_delay = TEST_SLEEP_TIMEOUT / 2;

    CU_ASSERT (apteryx_refresh (path, test_refresh_callback));

    /* Reading 7 times within the refresh timeout should cause all
     * reads to get the same value (0)
     * Note that we currenly only support 8 apteryxd threads
     * so we need to leave one free for the refresher to use
     * for the SET operation.
     */
    for (i = 0; i < client_count; i++)
        pthread_create (&clients[i], NULL, _state_get_thread, (void*)path);
    for (i = 0; i < client_count; i++)
        pthread_join (clients[i], NULL);

    apteryx_unrefresh (path, test_refresh_callback);

    CU_ASSERT (apteryx_set (path, NULL));
    CU_ASSERT (assert_apteryx_empty ());
}


static uint64_t
test_refresh_tree_callback (const char *path)
{
    GNode* root = APTERYX_NODE (NULL, TEST_PATH"/interfaces/eth0");
    GNode* state = APTERYX_NODE (root, "state");
    APTERYX_LEAF (state, "state", "up");
    APTERYX_LEAF (state, "speed", "1000");
    APTERYX_LEAF (state, "duplex", "full");
    apteryx_set_tree (root);
    g_node_destroy (root);
    _cb_count++;
    return _cb_timeout;
}

void
test_refresh_wildcards ()
{
    const char *path = TEST_PATH"/interfaces/*/state/*";
    _cb_count = 0;
    _cb_timeout = 0;
    _cb_delay = 0;
    CU_ASSERT (apteryx_refresh (path, test_refresh_tree_callback));

    /* We won't use the wildcard in the refresher path to traverse past
     * interfaces and into state, so this one should not return any
     * data.
     */
    GNode *root = apteryx_get_tree (TEST_PATH"/interfaces");
    CU_ASSERT (root == NULL);
    if (root)
        apteryx_free_tree (root);
    CU_ASSERT (_cb_count == 0);
    apteryx_prune (TEST_PATH);

    /* Once there is something stored in /interfaces/eth0 we can get past
     * and far enough to call the refresher.
     */
    apteryx_set (TEST_PATH"/interfaces/eth0/name", "eth0");
    _cb_count = 0;
    root = apteryx_get_tree (TEST_PATH"/interfaces");
    CU_ASSERT (root != NULL);
    if (root)
        apteryx_free_tree (root);
    /* With timeout of zero we exepct a callbacks for;
     * /test/interfaces/eth0/state
     * /test/interfaces/eth0/state/state
     * /test/interfaces/eth0/state/state/
     * /test/interfaces/eth0/state/speed
     * /test/interfaces/eth0/state/speed/
     * /test/interfaces/eth0/state/duplex
     * /test/interfaces/eth0/state/duplex/
     */
    CU_ASSERT (_cb_count == 7);
    apteryx_prune (TEST_PATH);

    /* Even without any data in the tree, if we have no more wildcards
     * in path (on the end is fine) we can traverse down the refresh
     * path to call it (over the state key).
     */
    _cb_count = 0;
    root = apteryx_get_tree (TEST_PATH"/interfaces/eth0");
    CU_ASSERT (root != NULL);
    if (root)
        apteryx_free_tree (root);
    CU_ASSERT (_cb_count == 7);
    apteryx_prune (TEST_PATH);

    /* This one is probably the simplest case and tested elsewhere */
    _cb_count = 0;
    root = apteryx_get_tree (TEST_PATH"/interfaces/eth0/state");
    CU_ASSERT (root != NULL);
    if (root)
        apteryx_free_tree (root);
    CU_ASSERT (_cb_count == 7);
    apteryx_prune (TEST_PATH);

    apteryx_unrefresh (path, test_refresh_tree_callback);
}

static uint64_t
test_refresh_state_callback (const char *path)
{
    _cb_count++;
    if (strstr (path, "speed") == NULL)
    {
        if (_cb_count <= 2)
            apteryx_set_int (TEST_PATH"/interfaces/eth0", "state", 1);
        else
            apteryx_set_int (TEST_PATH"/interfaces/eth0", "state", 2);
    }
    return _cb_timeout;
}

static uint64_t
test_refresh_speed_callback (const char *path)
{
    _cb_count++;
    if (strstr (path, "state") == NULL)
    {
        if (_cb_count <= 2)
            apteryx_set_int (TEST_PATH"/interfaces/eth0", "speed", 100);
        else
            apteryx_set_int (TEST_PATH"/interfaces/eth0", "speed", 200);
    }
    return _cb_timeout;
}

void
test_refresh_multiple ()
{
    const char *path1 = TEST_PATH"/interfaces/*/state";
    const char *path2 = TEST_PATH"/interfaces/*/speed";
    GNode *root, *child;

    _cb_count = 0;
    _cb_timeout = TEST_SLEEP_TIMEOUT / 2;
    _cb_delay = 0;

    CU_ASSERT (apteryx_refresh (path1, test_refresh_state_callback));
    CU_ASSERT (apteryx_refresh (path2, test_refresh_speed_callback));

    /* Phase 1 ... no timeout set */
    root = apteryx_get_tree (TEST_PATH"/interfaces/eth0");
    CU_ASSERT (root != NULL);
    CU_ASSERT (_cb_count == 2);
    CU_ASSERT ((child = apteryx_find_child (root, "state")) != NULL);
    CU_ASSERT (child && strcmp (APTERYX_VALUE (child), "1") == 0);
    CU_ASSERT ((child = apteryx_find_child (root, "speed")) != NULL);
    CU_ASSERT (child && strcmp (APTERYX_VALUE (child), "100") == 0);
    if (root)
        apteryx_free_tree (root);
    /* Phase 2 ... timeout not reached */
    root = apteryx_get_tree (TEST_PATH"/interfaces/eth0");
    CU_ASSERT (root != NULL);
    CU_ASSERT (_cb_count == 2);
    CU_ASSERT ((child = apteryx_find_child (root, "state")) != NULL);
    CU_ASSERT (child && strcmp (APTERYX_VALUE (child), "1") == 0);
    CU_ASSERT ((child = apteryx_find_child (root, "speed")) != NULL);
    CU_ASSERT (child && strcmp (APTERYX_VALUE (child), "100") == 0);
    if (root)
        apteryx_free_tree (root);
    usleep (TEST_SLEEP_TIMEOUT);
    /* Phase 3 ... timeout reached */
    root = apteryx_get_tree (TEST_PATH"/interfaces/eth0");
    CU_ASSERT (root != NULL);
    CU_ASSERT (_cb_count == 4);
    CU_ASSERT ((child = apteryx_find_child (root, "state")) != NULL);
    CU_ASSERT (child && strcmp (APTERYX_VALUE (child), "2") == 0);
    CU_ASSERT ((child = apteryx_find_child (root, "speed")) != NULL);
    CU_ASSERT (child && strcmp (APTERYX_VALUE (child), "200") == 0);
    if (root)
        apteryx_free_tree (root);

    apteryx_unrefresh (path2, test_refresh_speed_callback);
    apteryx_unrefresh (path1, test_refresh_state_callback);

    CU_ASSERT (apteryx_prune (TEST_PATH"/interfaces"));
    CU_ASSERT (assert_apteryx_empty ());
}

void
test_refresh_different_depths ()
{
    const char *path1 = TEST_PATH"/interfaces/*";
    const char *path2 = TEST_PATH"/interfaces/*/speed";
    GNode *root, *child;

    _cb_count = 0;
    _cb_timeout = TEST_SLEEP_TIMEOUT / 2;
    _cb_delay = 0;

    CU_ASSERT (apteryx_refresh (path1, test_refresh_state_callback));
    CU_ASSERT (apteryx_refresh (path2, test_refresh_speed_callback));

    apteryx_set (TEST_PATH"/interfaces/eth0/speed", "500");
    usleep (TEST_SLEEP_TIMEOUT);

    /* Phase 1 ... no timeout set */
    root = apteryx_get_tree (TEST_PATH"/interfaces/eth0");
    CU_ASSERT (root != NULL);
    CU_ASSERT (_cb_count == 2);
    CU_ASSERT ((child = apteryx_find_child (root, "state")) != NULL);
    CU_ASSERT (child && strcmp (APTERYX_VALUE (child), "1") == 0);
    CU_ASSERT ((child = apteryx_find_child (root, "speed")) != NULL);
    CU_ASSERT (child && strcmp (APTERYX_VALUE (child), "100") == 0);
    if (root)
        apteryx_free_tree (root);
    /* Phase 2 ... timeout not reached */
    root = apteryx_get_tree (TEST_PATH"/interfaces/eth0");
    CU_ASSERT (root != NULL);
    CU_ASSERT (_cb_count == 2);
    CU_ASSERT ((child = apteryx_find_child (root, "state")) != NULL);
    CU_ASSERT (child && strcmp (APTERYX_VALUE (child), "1") == 0);
    CU_ASSERT ((child = apteryx_find_child (root, "speed")) != NULL);
    CU_ASSERT (child && strcmp (APTERYX_VALUE (child), "100") == 0);
    if (root)
        apteryx_free_tree (root);
    usleep (TEST_SLEEP_TIMEOUT);
    /* Phase 3 ... timeout reached */
    root = apteryx_get_tree (TEST_PATH"/interfaces/eth0");
    CU_ASSERT (root != NULL);
    CU_ASSERT (_cb_count == 4);
    CU_ASSERT ((child = apteryx_find_child (root, "state")) != NULL);
    CU_ASSERT (child && strcmp (APTERYX_VALUE (child), "2") == 0);
    CU_ASSERT ((child = apteryx_find_child (root, "speed")) != NULL);
    CU_ASSERT (child && strcmp (APTERYX_VALUE (child), "200") == 0);
    if (root)
        apteryx_free_tree (root);

    apteryx_unrefresh (path2, test_refresh_speed_callback);
    apteryx_unrefresh (path1, test_refresh_state_callback);

    CU_ASSERT (apteryx_prune (TEST_PATH"/interfaces"));
    CU_ASSERT (assert_apteryx_empty ());
}

void
test_refresh_more_specific_first ()
{
    const char *path1 = TEST_PATH"/interfaces/eth0/*";
    const char *path2 = TEST_PATH"/interfaces/eth0/speed";
    char *value;
    GNode *root, *child;

    _cb_count = 0;
    _cb_timeout = TEST_SLEEP_TIMEOUT / 2;
    _cb_delay = 0;

    CU_ASSERT (apteryx_refresh (path1, test_refresh_state_callback));
    CU_ASSERT (apteryx_refresh (path2, test_refresh_speed_callback));

    /* Phase 1 ... no timeout set - get specific */
    value = apteryx_get (TEST_PATH"/interfaces/eth0/speed");
    CU_ASSERT (value != NULL);
    /* Both called but only speed set */
    CU_ASSERT (_cb_count == 2);
    CU_ASSERT (value && strcmp (value, "100") == 0);
    if (value)
        free (value);
    /* Phase 2 ... timeout not reached - get trunk */
    root = apteryx_get_tree (TEST_PATH"/interfaces/eth0");
    CU_ASSERT (root != NULL);
    /* Only wildcard called as the requested path is shorter */
    CU_ASSERT (_cb_count == 3);
    CU_ASSERT ((child = apteryx_find_child (root, "state")) != NULL);
    CU_ASSERT (child && strcmp (APTERYX_VALUE (child), "2") == 0);
    CU_ASSERT ((child = apteryx_find_child (root, "speed")) != NULL);
    CU_ASSERT (child && strcmp (APTERYX_VALUE (child), "100") == 0);
    if (root)
        apteryx_free_tree (root);
    usleep (TEST_SLEEP_TIMEOUT);
    /* Phase 3 ... timeout reached */
    root = apteryx_get_tree (TEST_PATH"/interfaces/eth0");
    CU_ASSERT (root != NULL);
    /* Both called after timeout */
    CU_ASSERT (_cb_count == 5);
    CU_ASSERT ((child = apteryx_find_child (root, "state")) != NULL);
    CU_ASSERT (child && strcmp (APTERYX_VALUE (child), "2") == 0);
    CU_ASSERT ((child = apteryx_find_child (root, "speed")) != NULL);
    CU_ASSERT (child && strcmp (APTERYX_VALUE (child), "200") == 0);
    if (root)
        apteryx_free_tree (root);

    apteryx_unrefresh (path2, test_refresh_speed_callback);
    apteryx_unrefresh (path1, test_refresh_state_callback);

    CU_ASSERT (apteryx_prune (TEST_PATH"/interfaces"));
    CU_ASSERT (assert_apteryx_empty ());
}

void
test_refresh_more_specific_second ()
{
    const char *path1 = TEST_PATH"/interfaces/eth0/*";
    const char *path2 = TEST_PATH"/interfaces/eth0/speed";
    GNode *root, *child;
    char *value;

    _cb_count = 0;
    _cb_timeout = TEST_SLEEP_TIMEOUT / 2;
    _cb_delay = 0;

    CU_ASSERT (apteryx_refresh (path1, test_refresh_state_callback));
    CU_ASSERT (apteryx_refresh (path2, test_refresh_speed_callback));

    /* Phase 1 ... no timeout set - get trunk */
    root = apteryx_get_tree (TEST_PATH"/interfaces/eth0");
    CU_ASSERT (root != NULL);
    /* Both called and both set */
    CU_ASSERT (_cb_count == 2);
    CU_ASSERT ((child = apteryx_find_child (root, "state")) != NULL);
    CU_ASSERT (child && strcmp (APTERYX_VALUE (child), "1") == 0);
    CU_ASSERT ((child = apteryx_find_child (root, "speed")) != NULL);
    CU_ASSERT (child && strcmp (APTERYX_VALUE (child), "100") == 0);
    if (root)
        apteryx_free_tree (root);
    /* Phase 2 ... timeout not reached - get specific */
    value = apteryx_get (TEST_PATH"/interfaces/eth0/speed");
    CU_ASSERT (value != NULL);
    /* Neither called */
    CU_ASSERT (_cb_count == 2);
    CU_ASSERT (value && strcmp (value, "100") == 0);
    if (value)
        free (value);
    usleep (TEST_SLEEP_TIMEOUT);
    /* Phase 3 ... timeout reached - both called */
    root = apteryx_get_tree (TEST_PATH"/interfaces/eth0");
    CU_ASSERT (root != NULL);
    CU_ASSERT (_cb_count == 4);
    CU_ASSERT ((child = apteryx_find_child (root, "state")) != NULL);
    CU_ASSERT (child && strcmp (APTERYX_VALUE (child), "2") == 0);
    CU_ASSERT ((child = apteryx_find_child (root, "speed")) != NULL);
    CU_ASSERT (child && strcmp (APTERYX_VALUE (child), "200") == 0);
    if (root)
        apteryx_free_tree (root);

    apteryx_unrefresh (path2, test_refresh_speed_callback);
    apteryx_unrefresh (path1, test_refresh_state_callback);

    CU_ASSERT (apteryx_prune (TEST_PATH"/interfaces"));
    CU_ASSERT (assert_apteryx_empty ());
}

static uint64_t
test_refresh_substring_callback (const char *path)
{
    _cb_count++;
    int speed = _cb_count * 100;
    if (strstr (path, "fast") != NULL)
        speed *= 10;
    apteryx_set_int (path, NULL, speed);
    return _cb_timeout;
}

void
test_refresh_node_substring ()
{
    const char *path1 = TEST_PATH"/interfaces/eth0/speed";
    const char *path2 = TEST_PATH"/interfaces/eth0/speed-fast";
    char *value;

    _cb_count = 0;
    _cb_timeout = TEST_SLEEP_TIMEOUT / 2;
    _cb_delay = 0;

    CU_ASSERT (apteryx_refresh (TEST_PATH"/interfaces/eth0/*", test_refresh_substring_callback));

    /* Only path1 refreshed */
    value = apteryx_get (path1);
    CU_ASSERT (value != NULL);
    CU_ASSERT (_cb_count == 1);
    CU_ASSERT (value && strcmp (value, "100") == 0);
    if (value)
        free (value);

    /* Only path2 refreshed */
    value = apteryx_get (path2);
    CU_ASSERT (value != NULL);
    CU_ASSERT (_cb_count == 2);
    CU_ASSERT (value && strcmp (value, "2000") == 0);
    if (value)
        free (value);

    /* This tests the current behaviour that is perhaps not ideal.
       It would be better if neither of these refreshers was called.
       But path1 will be refreshed as it does not match the refreshers
       last path */

    /* Nothing refreshed */
    value = apteryx_get (path2);
    CU_ASSERT (value != NULL);
    CU_ASSERT (_cb_count == 2);
    CU_ASSERT (value && strcmp (value, "2000") == 0);
    if (value)
        free (value);

    /* path1 refreshed as it does not match the refreshers last path */
    value = apteryx_get (path1);
    CU_ASSERT (value != NULL);
    CU_ASSERT (_cb_count == 3);
    CU_ASSERT (value && strcmp (value, "300") == 0);
    if (value)
        free (value);

    apteryx_unrefresh (TEST_PATH"/interfaces/eth0/*", test_refresh_substring_callback);

    CU_ASSERT (apteryx_prune (TEST_PATH"/interfaces"));
    CU_ASSERT (assert_apteryx_empty ());
}

void
test_refresh_trunk ()
{
    const char *path = TEST_PATH"/interfaces/*";
    const char *value = NULL;

    _cb_count = 0;
    _cb_timeout = 5000;
    CU_ASSERT (apteryx_refresh (path, test_refresh_tree_callback));
    CU_ASSERT ((value = apteryx_get (TEST_PATH"/interfaces/eth0/state/state")) != NULL);
    CU_ASSERT (value && strcmp (value, "up") == 0);
    if (value)
        free ((void *) value);
    apteryx_unrefresh (path, test_refresh_tree_callback);
    CU_ASSERT (apteryx_prune (TEST_PATH"/interfaces"));
    CU_ASSERT (_cb_count == 1);
    CU_ASSERT (assert_apteryx_empty ());
}

void
test_refresh_tree ()
{
    const char *path = TEST_PATH"/interfaces/*";
    GNode *value = NULL;

    _cb_count = 0;
    _cb_timeout = 5000;
    CU_ASSERT (apteryx_refresh (path, test_refresh_tree_callback));
    CU_ASSERT ((value = apteryx_get_tree (TEST_PATH"/interfaces/eth0")) != NULL);
    CU_ASSERT (value != NULL);
    if (value)
        apteryx_free_tree (value);
    apteryx_unrefresh (path, test_refresh_tree_callback);
    CU_ASSERT (apteryx_prune (TEST_PATH"/interfaces"));
    CU_ASSERT (_cb_count == 1);
    CU_ASSERT (assert_apteryx_empty ());
}

void
test_refresh_directory ()
{
    const char *path = TEST_PATH"/interfaces/eth0/state/";
    GNode *value = NULL;

    _cb_count = 0;
    _cb_timeout = 5000;
    CU_ASSERT (apteryx_refresh (path, test_refresh_tree_callback));
    CU_ASSERT ((value = apteryx_get_tree (TEST_PATH"/interfaces/eth0/state")) != NULL);
    if (value)
        apteryx_free_tree (value);
    apteryx_prune(path);
    CU_ASSERT (_cb_count == 1);
    _cb_count = 0;
    usleep(_cb_timeout);

    CU_ASSERT ((value = apteryx_get_tree (TEST_PATH"/interfaces/eth0")) != NULL);
    if (value)
        apteryx_free_tree (value);
    apteryx_prune(path);
    CU_ASSERT (_cb_count == 1);
    _cb_count = 0;
    usleep(_cb_timeout);

    CU_ASSERT ((value = apteryx_get_tree (TEST_PATH"/interfaces/eth0/state/speed")) != NULL);
    if (value)
        apteryx_free_tree (value);
    CU_ASSERT (_cb_count == 1);
    _cb_count = 0;

    apteryx_unrefresh (path, test_refresh_tree_callback);
    CU_ASSERT (apteryx_prune (TEST_PATH"/interfaces"));
    CU_ASSERT (assert_apteryx_empty ());
}

static uint64_t
test_refresh_counters_callback (const char *path)
{
    char *iface = g_strdup (path + strlen (TEST_PATH"/interfaces/"));
    *(strchr (iface, '/')) = '\0';
    path = g_strdup_printf (TEST_PATH"/interfaces/%s/counters", iface);
    GNode* root = APTERYX_NODE (NULL, (gpointer) path);
    APTERYX_LEAF (root, "tx", "1");
    APTERYX_LEAF (root, "rx", "2");
    apteryx_set_tree (root);
    g_node_destroy (root);
    _cb_count++;
    free ((void *) path);
    free ((void *) iface);
    return _cb_timeout;
}

void
test_refresh_multiple_branches ()
{
    const char *path = TEST_PATH"/interfaces/*/counters";
    GNode *root;

    _cb_count = 0;
    _cb_timeout = TEST_SLEEP_TIMEOUT / 2;
    _cb_delay = 0;

    CU_ASSERT (apteryx_refresh (path, test_refresh_counters_callback));

    apteryx_set (TEST_PATH"/interfaces/eth0/state", "up");
    apteryx_set (TEST_PATH"/interfaces/eth1/state", "up");
    apteryx_set (TEST_PATH"/interfaces/eth2/state", "up");

    root = apteryx_get_tree (TEST_PATH"/interfaces");
    CU_ASSERT (root != NULL);
    CU_ASSERT (_cb_count == 3);
    if (root)
        apteryx_free_tree (root);

    apteryx_unrefresh (path, test_refresh_counters_callback);

    CU_ASSERT (apteryx_prune (TEST_PATH"/interfaces"));
    CU_ASSERT (assert_apteryx_empty ());
}

static uint64_t
test_refresh_sigmask_callback (const char *path)
{
    sigset_t empty;
    sigset_t set;
    sigemptyset (&empty);
    pthread_sigmask (SIG_SETMASK, NULL, &set);
    if (memcmp ((void *)&set, (void *)&empty, sizeof (sigset_t)) != 0)
        dump_sigset_t (&set);
    CU_ASSERT (memcmp ((void *)&set, (void *)&empty, sizeof (sigset_t)) == 0);
    return _cb_timeout;
}

void
test_refresh_sigmask ()
{
    const char *path = TEST_PATH"/interfaces/eth0/state";
    CU_ASSERT (apteryx_refresh (path, test_refresh_sigmask_callback));
    CU_ASSERT (apteryx_get (path) == NULL);
    CU_ASSERT (apteryx_unrefresh (path, test_refresh_sigmask_callback));
}

/* If a refresher is called while traversing the database we can end up
 * with lock contention when the refresher attempts to write to the
 * database. The callback can be expected to be called more than once
 * during the initial path building.
 */
void
test_refresh_during_get_tree ()
{
    const char *path = TEST_PATH"/interfaces/*";
    GNode *value = NULL;

    _cb_count = 0;
    _cb_timeout = 0;
    CU_ASSERT (apteryx_refresh (path, test_refresh_tree_callback));
    CU_ASSERT ((value = apteryx_get_tree (TEST_PATH"/interfaces/eth0")) != NULL);
    CU_ASSERT (value != NULL);
    if (value)
        apteryx_free_tree (value);
    apteryx_unrefresh (path, test_refresh_tree_callback);
    CU_ASSERT (apteryx_prune (TEST_PATH"/interfaces"));
    CU_ASSERT (assert_apteryx_empty ());
}

void
test_refresh_search ()
{
    const char *path = TEST_PATH"/interfaces/*";
    GList *paths = NULL;

    _cb_count = 0;
    _cb_timeout = 0;
    CU_ASSERT (apteryx_refresh (path, test_refresh_tree_callback));

    CU_ASSERT ((paths = apteryx_search (TEST_PATH"/interfaces/")) != NULL);
    CU_ASSERT (g_list_length (paths) == 1);
    CU_ASSERT (g_list_find_custom (paths, TEST_PATH"/interfaces/eth0", (GCompareFunc) strcmp) != NULL);
    g_list_free_full (paths, free);

    apteryx_unrefresh (path, test_refresh_tree_callback);
    CU_ASSERT (apteryx_prune (TEST_PATH"/interfaces"));
    CU_ASSERT (_cb_count == 1);
    CU_ASSERT (assert_apteryx_empty ());
}

static uint64_t
test_refresh_subpath_callback (const char *path)
{
    char *value = g_strdup_printf ("%d", _cb_count);
    apteryx_set (TEST_PATH"/atmf/backups/locations/first", value);
    g_free (value);
    _cb_count++;
    return _cb_timeout;
}

void
test_refresh_subpath_search ()
{
    const char *path = TEST_PATH"/atmf/backups/locations/*";
    GList *paths = NULL;

    _cb_count = 0;
    _cb_timeout = 0;
    CU_ASSERT (apteryx_refresh (path, test_refresh_subpath_callback));
    CU_ASSERT ((paths = apteryx_search (TEST_PATH"/atmf/backups/")) != NULL);
    CU_ASSERT (g_list_length (paths) == 1);
    CU_ASSERT (g_list_find_custom (paths, TEST_PATH"/atmf/backups/locations", (GCompareFunc) strcmp) != NULL);
    g_list_free_full (paths, free);
    CU_ASSERT (_cb_count == 0);

    CU_ASSERT ((paths = apteryx_search (TEST_PATH"/atmf/backups/locations/")) != NULL);
    CU_ASSERT (g_list_length (paths) == 1);
    CU_ASSERT (g_list_find_custom (paths, TEST_PATH"/atmf/backups/locations/first", (GCompareFunc) strcmp) != NULL);
    g_list_free_full (paths, free);
    CU_ASSERT (_cb_count == 1);

    apteryx_unrefresh (path, test_refresh_subpath_callback);
    CU_ASSERT (apteryx_prune (TEST_PATH"/atmf"));
    CU_ASSERT (assert_apteryx_empty ());
}

void
test_refresh_traverse ()
{
    const char *path = TEST_PATH"/interfaces/*";
    GNode *value = NULL;

    _cb_count = 0;
    _cb_timeout = 5000;
    CU_ASSERT (apteryx_refresh (path, test_refresh_tree_callback));
    CU_ASSERT ((value = apteryx_get_tree (TEST_PATH"/interfaces")) != NULL);
    CU_ASSERT (value != NULL);
    if (value)
        apteryx_free_tree (value);
    apteryx_unrefresh (path, test_refresh_tree_callback);
    CU_ASSERT (apteryx_prune (TEST_PATH"/interfaces"));
    CU_ASSERT (_cb_count == 1);
    CU_ASSERT (assert_apteryx_empty ());
}

void
test_refresh_traverse_deeper ()
{
    const char *path = TEST_PATH"/interfaces/eth0/*";
    GNode *value = NULL;

    _cb_count = 0;
    _cb_timeout = 5000;
    CU_ASSERT (apteryx_refresh (path, test_refresh_tree_callback));
    CU_ASSERT ((value = apteryx_get_tree (TEST_PATH"/interfaces")) != NULL);
    CU_ASSERT (value != NULL);
    if (value)
        apteryx_free_tree (value);
    apteryx_unrefresh (path, test_refresh_tree_callback);
    CU_ASSERT (apteryx_prune (TEST_PATH"/interfaces"));
    CU_ASSERT (_cb_count == 1);
    CU_ASSERT (assert_apteryx_empty ());
}

static uint64_t
test_refresh_no_change_callback (const char *path)
{
    _cb_count++;
    return _cb_timeout;
}

void
test_refresh_path_empty ()
{
    const char *path = TEST_PATH"/interfaces/eth0/state";
    const char *value = NULL;

    _cb_count = 0;
    _cb_timeout = 5000;
    CU_ASSERT (apteryx_refresh (path, test_refresh_no_change_callback));
    CU_ASSERT ((value = apteryx_get (path)) == NULL);
    CU_ASSERT ((value = apteryx_get (path)) == NULL);
    /* While there is nothing in the DB to hang a timestamp
       on we exepect the refresher to be called once per timeout */
    CU_ASSERT (_cb_count == 1);
    usleep (_cb_timeout);
    CU_ASSERT ((value = apteryx_get (path)) == NULL);
    CU_ASSERT ((value = apteryx_get (path)) == NULL);
    CU_ASSERT (_cb_count == 2);
    apteryx_unrefresh (path, test_refresh_no_change_callback);
    CU_ASSERT (apteryx_set (path, NULL));
    CU_ASSERT (assert_apteryx_empty ());
}

void
test_refresh_path_other_old ()
{
    const char *path1 = TEST_PATH"/interfaces/eth0/*";
    const char *path2 = TEST_PATH"/interfaces/eth0/speed";
    const char *path3 = TEST_PATH"/interfaces/eth0/state";
    GNode *tree = NULL;

    _cb_count = 0;
    _cb_timeout = 5000;
    CU_ASSERT (apteryx_refresh (path1, test_refresh_no_change_callback));
    CU_ASSERT (apteryx_set (path2, "fast"));
    usleep (_cb_timeout);
    CU_ASSERT ((tree = apteryx_get_tree (TEST_PATH"/interfaces")) != NULL);
    apteryx_free_tree (tree);
    /* Refresher called because speed is old */
    CU_ASSERT (_cb_count == 1);
    CU_ASSERT ((tree = apteryx_get_tree (TEST_PATH"/interfaces")) != NULL);
    apteryx_free_tree (tree);
    /* Refresher called because speed is old */
    CU_ASSERT (_cb_count == 1);
    CU_ASSERT (apteryx_set (path3, "up"));
    CU_ASSERT ((tree = apteryx_get_tree (TEST_PATH"/interfaces")) != NULL);
    apteryx_free_tree (tree);
    /* Refresher called because speed is old */
    CU_ASSERT (_cb_count == 1);
    CU_ASSERT ((tree = apteryx_get_tree (TEST_PATH"/interfaces")) != NULL);
    apteryx_free_tree (tree);
    /* Refresher called because speed is old */
    CU_ASSERT (_cb_count == 1);
    apteryx_unrefresh (path1, test_refresh_no_change_callback);
    CU_ASSERT (apteryx_set (path2, NULL));
    CU_ASSERT (apteryx_set (path3, NULL));
    CU_ASSERT (assert_apteryx_empty ());
}

void
test_refresh_no_change ()
{
    const char *path = TEST_PATH"/interfaces/eth0/state";
    const char *value = NULL;

    _cb_count = 0;
    _cb_timeout = 5000;
    CU_ASSERT (apteryx_refresh (path, test_refresh_no_change_callback));

    apteryx_set (path, "0");
    usleep (_cb_timeout);
    CU_ASSERT ((value = apteryx_get (path)) != NULL);
    CU_ASSERT (value && strcmp (value, "0") == 0);
    if (value)
        free ((void *) value);
    CU_ASSERT ((value = apteryx_get (path)) != NULL);
    CU_ASSERT (value && strcmp (value, "0") == 0);
    if (value)
        free ((void *) value);

    apteryx_unrefresh (path, test_refresh_no_change_callback);
    CU_ASSERT (apteryx_set (path, NULL));
    CU_ASSERT (_cb_count == 1);
    CU_ASSERT (assert_apteryx_empty ());
}

void
test_refresh_tree_no_change ()
{
    const char *path = TEST_PATH"/zones/private/network/lan/count";
    GList *paths = NULL;
    const char *value = NULL;

    _cb_count = 0;
    _cb_timeout = 5000;
    apteryx_set (path, "0");
    usleep (_cb_timeout);
    CU_ASSERT (apteryx_refresh (TEST_PATH"/zones/*", test_refresh_no_change_callback));

    CU_ASSERT ((value = apteryx_get (path)) != NULL);
    CU_ASSERT (value && strcmp (value, "0") == 0);
    if (value)
        free ((void *) value);
    CU_ASSERT ((value = apteryx_get (path)) != NULL);
    CU_ASSERT (value && strcmp (value, "0") == 0);
    if (value)
        free ((void *) value);
    /* Only expect the refresher to be called once */
    CU_ASSERT (_cb_count == 1);

    CU_ASSERT ((paths = apteryx_search (TEST_PATH"/zones/")) != NULL);
    CU_ASSERT (g_list_length (paths) == 1);
    CU_ASSERT (g_list_find_custom (paths, TEST_PATH"/zones/private", (GCompareFunc) strcmp) != NULL);
    g_list_free_full (paths, free);
    CU_ASSERT ((paths = apteryx_search (TEST_PATH"/zones/")) != NULL);
    CU_ASSERT (g_list_length (paths) == 1);
    CU_ASSERT (g_list_find_custom (paths, TEST_PATH"/zones/private", (GCompareFunc) strcmp) != NULL);
    g_list_free_full (paths, free);
    /* Expect the refresher to be called again once for the shorter path */
    CU_ASSERT (_cb_count == 2);

    apteryx_unrefresh (TEST_PATH"/zones/*", test_refresh_no_change_callback);
    CU_ASSERT (apteryx_set (path, NULL));
    CU_ASSERT (assert_apteryx_empty ());
}

static uint64_t
test_refresh_no_slash_callback (const char *path)
{
    _cb_count++;
    CU_ASSERT (*(path + strlen (path) - 1) != '/');
    return _cb_timeout;
}

void
test_refresh_no_slash ()
{
    const char *path = TEST_PATH"/interfaces/eth0";

    _cb_count = 0;
    _cb_timeout = 5000;
    CU_ASSERT (apteryx_refresh (path, test_refresh_no_slash_callback));

    CU_ASSERT (apteryx_get (path) == NULL);
    CU_ASSERT (apteryx_get_tree (TEST_PATH"/interfaces/eth0") == NULL);
    CU_ASSERT (_cb_count == 1);

    apteryx_unrefresh (path, test_refresh_no_slash_callback);
}

static char *_cb_path = NULL;
static uint64_t
test_refresh_path_matches_callback (const char *path)
{
    if (_cb_path)
        free (_cb_path);
    _cb_path = g_strdup (path);
    _cb_count++;
    return _cb_timeout;
}

#define NUM_MATCH_SUITES    5
#define NUM_MATCH_TESTS     13
static char* expected_path_matches[NUM_MATCH_SUITES][NUM_MATCH_TESTS + 1] = {
    {
        TEST_PATH"/interfaces/eth0/name",   // Exact refresh
        NULL,                               // GET /interfaces/eth0
        TEST_PATH"/interfaces/eth0/name",   // GET /interfaces/eth0/name
        NULL,                               // SEARCH /interfaces/
        NULL,                               // SEARCH /interfaces/eth0/
        TEST_PATH"/interfaces/eth0/name",   // GET_TREE /interfaces
        TEST_PATH"/interfaces/eth0/name",   // GET_TREE /interfaces/eth0
        TEST_PATH"/interfaces/eth0/name",   // GET_TREE /interfaces/eth0/name
        TEST_PATH"/interfaces/eth0/name",   // QUERY /interfaces/*
        TEST_PATH"/interfaces/eth0/name",   // QUERY /interfaces/eth0/*
        TEST_PATH"/interfaces/eth0/name",   // QUERY /interfaces/*/name
        TEST_PATH"/interfaces/eth0/name",   // QUERY /interfaces/eth0/name
        NULL,                               // QUERY /interfaces/eth0/*/name
        TEST_PATH"/interfaces/eth0/name",   // QUERY /*/eth0/name
    },
    {
        TEST_PATH"/interfaces/*",           // Trunk wildcard refresh
        TEST_PATH"/interfaces/eth0",        // GET /interfaces/eth0
        TEST_PATH"/interfaces/eth0/name",   // GET /interfaces/eth0/name
        TEST_PATH"/interfaces/",            // SEARCH /interfaces/
        TEST_PATH"/interfaces/eth0/",       // SEARCH /interfaces/eth0/
        TEST_PATH"/interfaces/",            // GET_TREE /interfaces
        TEST_PATH"/interfaces/eth0",        // GET_TREE /interfaces/eth0
        TEST_PATH"/interfaces/eth0/name",   // GET_TREE /interfaces/eth0/name
        TEST_PATH"/interfaces/",            // QUERY /interfaces/*
        TEST_PATH"/interfaces/eth0/",       // QUERY /interfaces/eth0/*
        TEST_PATH"/interfaces/",            // QUERY /interfaces/*/name
        TEST_PATH"/interfaces/eth0/name",   // QUERY /interfaces/eth0/name
        TEST_PATH"/interfaces/eth0/",       // QUERY /interfaces/eth0/*/name
        TEST_PATH"/interfaces/eth0/name",   // QUERY /*/eth0/name
    },
    {
        TEST_PATH"/interfaces/*/name",      // Mid wildcard refresh
        NULL,                               // GET /interfaces/eth0
        TEST_PATH"/interfaces/eth0/name",   // GET /interfaces/eth0/name
        NULL,                               // SEARCH /interfaces/
        NULL,                               // SEARCH /interfaces/eth0/
        NULL,                               // GET_TREE /interfaces
        TEST_PATH"/interfaces/eth0/name",   // GET_TREE /interfaces/eth0
        TEST_PATH"/interfaces/eth0/name",   // GET_TREE /interfaces/eth0/name
        NULL,                               // QUERY /interfaces/*
        TEST_PATH"/interfaces/eth0/name",   // QUERY /interfaces/eth0/*
        NULL,                               // QUERY /interfaces/*/name
        TEST_PATH"/interfaces/eth0/name",   // QUERY /interfaces/eth0/name
        NULL,                               // QUERY /interfaces/eth0/*/name
        TEST_PATH"/interfaces/eth0/name",   // QUERY /*/eth0/name
    },
    {
        TEST_PATH"/interfaces/eth0/*",      // End wildcard refresh
        NULL,                               // GET /interfaces/eth0
        TEST_PATH"/interfaces/eth0/name",   // GET /interfaces/eth0/name
        NULL,                               // SEARCH /interfaces/
        TEST_PATH"/interfaces/eth0/",       // SEARCH /interfaces/eth0/
        TEST_PATH"/interfaces/eth0/",       // GET_TREE /interfaces
        TEST_PATH"/interfaces/eth0/",       // GET_TREE /interfaces/eth0
        TEST_PATH"/interfaces/eth0/name",   // GET_TREE /interfaces/eth0/name
        TEST_PATH"/interfaces/eth0/",       // QUERY /interfaces/*
        TEST_PATH"/interfaces/eth0/",       // QUERY /interfaces/eth0/*
        TEST_PATH"/interfaces/eth0/name",   // QUERY /interfaces/*/name
        TEST_PATH"/interfaces/eth0/name",   // QUERY /interfaces/eth0/name
        TEST_PATH"/interfaces/eth0/",       // QUERY /interfaces/eth0/*/name
        TEST_PATH"/interfaces/eth0/name",   // QUERY /*/eth0/name
    },
    {
        TEST_PATH"/interfaces/eth0/",       // Directory refresh
        NULL,                               // GET /interfaces/eth0
        TEST_PATH"/interfaces/eth0/",       // GET /interfaces/eth0/name
        NULL,                               // SEARCH /interfaces/
        TEST_PATH"/interfaces/eth0/",       // SEARCH /interfaces/eth0/
        TEST_PATH"/interfaces/eth0/",       // GET_TREE /interfaces
        TEST_PATH"/interfaces/eth0/",       // GET_TREE /interfaces/eth0
        TEST_PATH"/interfaces/eth0/",       // GET_TREE /interfaces/eth0/name
        NULL,                               // QUERY /interfaces/*
        TEST_PATH"/interfaces/eth0/",       // QUERY /interfaces/eth0/*
        TEST_PATH"/interfaces/eth0/",       // QUERY /interfaces/*/name
        TEST_PATH"/interfaces/eth0/",       // QUERY /interfaces/eth0/name
        TEST_PATH"/interfaces/eth0/",       // QUERY /interfaces/eth0/*/name
        TEST_PATH"/interfaces/eth0/",       // QUERY /*/eth0/name
    },
};

void
test_refresh_path_matches ()
{
    GList *paths;
    GNode *query;

    for (int suite = 0; suite < NUM_MATCH_SUITES; suite++)
    {
        const char *path = expected_path_matches[suite][0];
        for (int test = 1; test <= NUM_MATCH_TESTS; test++)
        {
            const char *expected = expected_path_matches[suite][test];
            const char *description = NULL;

            _cb_count = 0;
            _cb_timeout = 5000;
            _cb_path = NULL;
            CU_ASSERT (apteryx_refresh (path, test_refresh_path_matches_callback));
            switch (test)
            {
                case 1:
                    description = "GET:/test/interfaces/eth0";
                    CU_ASSERT (apteryx_get (TEST_PATH"/interfaces/eth0") == NULL);
                    break;
                case 2:
                    description = "GET:/test/interfaces/eth0/name";
                    CU_ASSERT (apteryx_get (TEST_PATH"/interfaces/eth0/name") == NULL);
                    break;
                case 3:
                    description = "SEARCH:/test/interfaces/";
                    paths = apteryx_search (TEST_PATH"/interfaces/");
                    if (paths)
                        g_list_free_full (paths, free);
                    break;
                case 4:
                    description = "SEARCH:/test/interfaces/eth0/";
                    paths = apteryx_search (TEST_PATH"/interfaces/eth0/");
                    if (paths)
                        g_list_free_full (paths, free);
                    break;
                case 5:
                    description = "GET_TREE:/test/interfaces";
                    CU_ASSERT (apteryx_get_tree (TEST_PATH"/interfaces") == NULL);
                    break;
                case 6:
                    description = "GET_TREE:/test/interfaces/eth0";
                    CU_ASSERT (apteryx_get_tree (TEST_PATH"/interfaces/eth0") == NULL);
                    break;
                case 7:
                    description = "GET_TREE:/test/interfaces/eth0/name";
                    CU_ASSERT (apteryx_get_tree (TEST_PATH"/interfaces/eth0/name") == NULL);
                    break;
                case 8:
                    description = "QUERY:/test/interfaces/*";
                    query = g_node_new (TEST_PATH"/interfaces/*");
                    CU_ASSERT (apteryx_query (query) == NULL);
                    g_node_destroy (query);
                    break;
                case 9:
                    description = "QUERY:/test/interfaces/eth0/*";
                    query = g_node_new (TEST_PATH"/interfaces/eth0/*");
                    CU_ASSERT (apteryx_query (query) == NULL);
                    g_node_destroy (query);
                    break;
                case 10:
                    description = "QUERY:/test/interfaces/*/name";
                    query = g_node_new (TEST_PATH"/interfaces/*/name");
                    CU_ASSERT (apteryx_query (query) == NULL);
                    g_node_destroy (query);
                    break;
                case 11:
                    description = "QUERY:/test/interfaces/eth0/name";
                    query = g_node_new (TEST_PATH"/interfaces/eth0/name");
                    CU_ASSERT (apteryx_query (query) == NULL);
                    g_node_destroy (query);
                    break;
                case 12:
                    description = "QUERY:/test/interfaces/eth0/*/name";
                    query = g_node_new (TEST_PATH"/interfaces/eth0/*/name");
                    CU_ASSERT (apteryx_query (query) == NULL);
                    g_node_destroy (query);
                    break;
                case 13:
                    description = "QUERY:/test/*/eth0/name";
                    query = g_node_new (TEST_PATH"/*/eth0/name");
                    CU_ASSERT (apteryx_query (query) == NULL);
                    g_node_destroy (query);
                    break;
                default:
                    printf ("ERROR: Skipping invalid test %d\n", test);
                    CU_ASSERT (false);
                    break;
            }
            // printf("[%d:%d] %s - %s\n", suite, test, path, description);
            if (_cb_path != expected && g_strcmp0 (_cb_path, expected))
                printf ("[%d]REFRESH:%s %s EXPECTED:%s PATH:%s\n", test, path, description, expected, _cb_path);
            if (expected && _cb_count != 1)
                printf ("[%d]REFRESH:%s %s More than 1(%d) callback!\n", test, path, description, _cb_count);
            CU_ASSERT (_cb_path == expected || g_strcmp0 (_cb_path, expected) == 0);
            CU_ASSERT ((expected && _cb_count == 1) || (!expected && _cb_count == 0));

            free (_cb_path);
            _cb_path = NULL;
            apteryx_unrefresh (path, test_refresh_path_matches_callback);
        }
    }
}

static char*
test_provide_callback_up (const char *path)
{
    return strdup ("up");
}

static char*
test_provide_callback_down (const char *path)
{
    return strdup ("down");
}

void
test_provide ()
{
    const char *path = TEST_PATH"/interfaces/eth0/state";
    const char *value = NULL;

    CU_ASSERT (apteryx_provide (path, test_provide_callback_up));
    CU_ASSERT (( value = apteryx_get (path)) != NULL);
    CU_ASSERT (value && strcmp (value, "up") == 0);
    if (value)
        free ((void *) value);
    apteryx_unprovide (path, test_provide_callback_up);
    CU_ASSERT (assert_apteryx_empty ());
}

void
test_provide_replace_handler ()
{
    const char *path = TEST_PATH"/interfaces/eth0/state";
    const char *value = NULL;

    CU_ASSERT (apteryx_provide (path, test_provide_callback_up));
    CU_ASSERT (apteryx_provide (path, test_provide_callback_down));
    CU_ASSERT ((value = apteryx_get (path)) != NULL);
    CU_ASSERT (value && strcmp (value, "down") == 0);
    if (value)
        free ((void *) value);
    apteryx_unprovide (path, test_provide_callback_up);
    apteryx_unprovide (path, test_provide_callback_down);
    CU_ASSERT (assert_apteryx_empty ());
}

void
test_provide_no_handler ()
{
    const char *path = TEST_PATH"/interfaces/eth0/state";
    const char *value = NULL;

    CU_ASSERT ((value = apteryx_get (path)) == NULL);
    CU_ASSERT (assert_apteryx_empty ());
}

void
test_provide_remove_handler ()
{
    const char *path = TEST_PATH"/interfaces/eth0/state";
    const char *value = NULL;

    CU_ASSERT (apteryx_provide (path, test_provide_callback_up));
    CU_ASSERT (apteryx_unprovide (path, test_provide_callback_up));
    CU_ASSERT ((value = apteryx_get (path)) == NULL);
    CU_ASSERT (assert_apteryx_empty ());
}

static char*
test_provide_timeout_cb (const char *path)
{
    usleep (1.1 * RPC_TIMEOUT_US);
    return strdup ("down");
}

void
test_provide_timeout ()
{
    const char *path = TEST_PATH"/interfaces/eth0/state";
    const char *value = NULL;

    CU_ASSERT (apteryx_provide (path, test_provide_timeout_cb));
    CU_ASSERT ((value = apteryx_get (path)) == NULL);
    CU_ASSERT (errno == -ETIMEDOUT);
    if (value)
        free ((void *) value);
    apteryx_unprovide (path, test_provide_timeout_cb);
    CU_ASSERT ((value = apteryx_get (path)) == NULL);
    CU_ASSERT (assert_apteryx_empty ());
}

bool test_provide_thread_running = false;
static int
test_provide_thread_client (void *data)
{
    const char *path = TEST_PATH"/interfaces/eth0/state";

    apteryx_provide (path, test_provide_callback_up);

    while (test_provide_thread_running)
        usleep (TEST_SLEEP_TIMEOUT);

    apteryx_unprovide (path, test_provide_callback_up);

    return 0;
}

void
test_provide_different_thread ()
{
    const char *path = TEST_PATH"/interfaces/eth0/state";
    const char *value = NULL;
    pthread_t client;

    test_provide_thread_running = true;
    pthread_create (&client, NULL, (void *) &test_provide_thread_client, (void *) NULL);
    usleep (50000);

    CU_ASSERT ((value = apteryx_get (path)) != NULL);
    CU_ASSERT (value && strcmp (value, "up") == 0);
    if (value)
        free ((void *) value);

    test_provide_thread_running = false;
    pthread_cancel (client);
    pthread_join (client, NULL);
    apteryx_unprovide (path, test_provide_callback_up);
    CU_ASSERT (assert_apteryx_empty ());
}

void
test_provide_different_process ()
{
    const char *path = TEST_PATH"/interfaces/eth0/state";
    const char *value = NULL;
    int pid;
    int status;

    apteryx_shutdown ();
    if ((pid = fork ()) == 0)
    {
        apteryx_init (apteryx_debug);
        CU_ASSERT (apteryx_provide (path, test_provide_callback_up));
        usleep (RPC_TIMEOUT_US);
        apteryx_unprovide (path, test_provide_callback_up);
        apteryx_shutdown ();
        exit (0);
    }
    else if (pid > 0)
    {
        apteryx_init (apteryx_debug);
        usleep (RPC_TIMEOUT_US / 2);
        CU_ASSERT ((value = apteryx_get (path)) != NULL);
        CU_ASSERT (value && strcmp (value, "up") == 0);
        if (value)
            free ((void *) value);
        waitpid (pid, &status, 0);
        CU_ASSERT (WEXITSTATUS (status) == 0);
    }
    else if (pid < 0)
    {
        CU_ASSERT (0);
    }
    CU_ASSERT (assert_apteryx_empty ());
}

static char*
test_provide_callback_get_cb (const char *path)
{
    return apteryx_get (TEST_PATH"/interfaces/eth0/state_get");
}

void
test_provide_callback_get ()
{
    const char *path1 = TEST_PATH"/interfaces/eth0/state_get";
    const char *path2 = TEST_PATH"/interfaces/eth0/status_get";
    char *value = NULL;

    apteryx_set (path1, "up");
    CU_ASSERT (apteryx_provide (path2, test_provide_callback_get_cb));
    CU_ASSERT ((value = apteryx_get (path2)) != NULL);
    CU_ASSERT (value && strcmp (value, "up") == 0);
    if (value)
        free ((void *) value);
    apteryx_unprovide (path2, test_provide_callback_get_cb);
    CU_ASSERT ((value = apteryx_get (path2)) == NULL);
    apteryx_set (path1, NULL);
    if (value)
        free ((void *) value);
    CU_ASSERT (apteryx_search(TEST_PATH"/interfaces/eth0/") == NULL);
    CU_ASSERT (assert_apteryx_empty ());
}

void
test_provide_callback_get_null ()
{
    const char *path = TEST_PATH"/interfaces/eth0/statii";
    const char *value = NULL;

    CU_ASSERT (apteryx_provide (path, test_provide_callback_get_cb));
    errno = 0;
    CU_ASSERT ((value = apteryx_get (path)) == NULL);
    CU_ASSERT (errno != -ETIMEDOUT);
    apteryx_unprovide (path, test_provide_callback_get_cb);
    CU_ASSERT (assert_apteryx_empty ());
}

void
test_provide_search ()
{
    const char *path = TEST_PATH"/interfaces/eth0/state";
    GList *paths = NULL;

    CU_ASSERT (apteryx_provide (path, test_provide_callback_up));
    CU_ASSERT (apteryx_set (TEST_PATH"/interfaces/eth0/size", "huge"));
    CU_ASSERT ((paths = apteryx_search (TEST_PATH"/interfaces/eth0/")) != NULL);
    CU_ASSERT (g_list_length (paths) == 2);
    CU_ASSERT (g_list_find_custom (paths, path, (GCompareFunc) strcmp) != NULL);
    g_list_free_full (paths, free);

    CU_ASSERT ((paths = apteryx_search (TEST_PATH"/interfaces/")) != NULL);
    CU_ASSERT (g_list_length (paths) == 1);
    CU_ASSERT (g_list_find_custom (paths, TEST_PATH"/interfaces/eth0", (GCompareFunc) strcmp) != NULL);
    g_list_free_full (paths, free);

    apteryx_unprovide (path, test_provide_callback_up);
    CU_ASSERT (apteryx_set (TEST_PATH"/interfaces/eth0/size",NULL));
    CU_ASSERT (assert_apteryx_empty ());
}

void
test_provide_search_root ()
{
    const char *path = TEST_PATH"/interfaces/eth0/state";
    GList *paths = NULL;

    CU_ASSERT (apteryx_provide (path, test_provide_callback_up));
    CU_ASSERT ((paths = apteryx_search ("/")) != NULL);
    CU_ASSERT (g_list_length (paths) == 2);
    CU_ASSERT (g_list_find_custom (paths, TEST_PATH, (GCompareFunc) strcmp) != NULL);
    g_list_free_full (paths, free);

    apteryx_unprovide (path, test_provide_callback_up);
    CU_ASSERT (assert_apteryx_empty ());
}

char *
test_provide_cb(const char *path)
{
    return strdup("provided");
}

void
test_provider_wildcard_search ()
{
    const char *path = TEST_PATH"/atmf/backups/locations/*";
    GList *paths = NULL;

    CU_ASSERT (apteryx_provide (path, test_provide_cb));
    CU_ASSERT ((paths = apteryx_search (TEST_PATH"/atmf/backups/")) != NULL);
    CU_ASSERT (g_list_length (paths) == 1);
    CU_ASSERT (g_list_find_custom (paths, TEST_PATH"/atmf/backups/locations", (GCompareFunc) strcmp) != NULL);
    g_list_free_full (paths, free);

    /* We don't want the * to show up - that should come from the indexer */
    CU_ASSERT ((paths = apteryx_search (TEST_PATH"/atmf/backups/locations/")) == NULL);
    CU_ASSERT (g_list_length (paths) == 0);
    CU_ASSERT (g_list_find_custom (paths, TEST_PATH"/atmf/backups/locations/*", (GCompareFunc) strcmp) == NULL);
    g_list_free_full (paths, free);

    apteryx_unprovide (path, test_provide_cb);
    CU_ASSERT (assert_apteryx_empty ());

}

void
test_provide_search_db ()
{
    const char *path1 = TEST_PATH"/interfaces/eth0/one";
    const char *path2 = TEST_PATH"/interfaces/eth0/two";
    const char *path3 = TEST_PATH"/interfaces/eth0/*";
    GList *paths = NULL;

    CU_ASSERT (apteryx_get (TEST_PATH"/interfaces/eth0/status") == NULL);
    CU_ASSERT (apteryx_provide (path1, test_provide_callback_up));
    CU_ASSERT (apteryx_set (path2, "100"));
    CU_ASSERT (apteryx_provide (path3, test_provide_callback_up));
    CU_ASSERT ((paths = apteryx_search (TEST_PATH"/interfaces/eth0/")) != NULL);
    CU_ASSERT (g_list_length (paths) == 2);
    CU_ASSERT (g_list_find_custom (paths, path1, (GCompareFunc) strcmp) != NULL);
    CU_ASSERT (g_list_find_custom (paths, path2, (GCompareFunc) strcmp) != NULL);
    g_list_free_full (paths, free);
    apteryx_unprovide (path1, test_provide_callback_up);
    CU_ASSERT (apteryx_set (path2, NULL));
    apteryx_unprovide (path3, test_provide_callback_up);
    CU_ASSERT (assert_apteryx_empty ());
}

void
test_provide_before_db ()
{
    const char *path = TEST_PATH"/interfaces/eth0/state";
    const char *value = NULL;

    CU_ASSERT (apteryx_set (path, "down"));
    CU_ASSERT (apteryx_provide (path, test_provide_callback_up));
    CU_ASSERT (( value = apteryx_get (path)) != NULL);
    CU_ASSERT (value && strcmp (value, "up") == 0);
    if (value)
        free ((void *) value);
    apteryx_unprovide (path, test_provide_callback_up);
    CU_ASSERT (apteryx_set (path, NULL));
    CU_ASSERT (assert_apteryx_empty ());
}

static char*
test_provide_wildcard_callback (const char *path)
{
    return strdup ("matching");
}

void
test_provider_wildcard ()
{
    const char *path = TEST_PATH"/interfaces/eth0/*";
    const char *path2 = TEST_PATH"/interfaces/eth0/state";
    const char *path3 = TEST_PATH"/interfaces/eth0";
    char *value = NULL;

    CU_ASSERT (apteryx_provide (path, test_provide_wildcard_callback));
    CU_ASSERT ((value = apteryx_get (path)) != NULL);
    free (value);
    CU_ASSERT ((value = apteryx_get (path2)) != NULL);
    free (value);
    CU_ASSERT ((value = apteryx_get (path3)) == NULL);
    if (value)
        free (value);
    apteryx_unprovide (path, test_provide_wildcard_callback);
}

void
test_provider_wildcard_internal ()
{
    const char *path = TEST_PATH"/a/b/*/f";
    const char *path2 = TEST_PATH"/a/b/e/f";
    const char *path3 = TEST_PATH"/a/bcd/e/f";
    const char *multiple_wildcards = TEST_PATH"/*/double_wildcard/*/f";
    GList *search_result = NULL;
    char *value = NULL;

    CU_ASSERT (apteryx_provide (path, test_provide_wildcard_callback));
    CU_ASSERT (apteryx_provide (multiple_wildcards, test_provide_wildcard_callback));

    /* The provided value should NOT show in search */
    search_result = apteryx_search (TEST_PATH"/a/b/");
    CU_ASSERT (g_list_length (search_result) == 0);
    g_list_free_full (search_result, free);

    CU_ASSERT ((value = apteryx_get (path)) == NULL);
    free (value);
    CU_ASSERT ((value = apteryx_get (path2)) != NULL);
    free (value);
    CU_ASSERT ((value = apteryx_get (path3)) == NULL);
    if (value)
        free (value);
    apteryx_unprovide (path, test_provide_wildcard_callback);

    CU_ASSERT((value=apteryx_get(TEST_PATH"/x/double_wildcard/y/f")) != NULL);
    if (value)
        free(value);
    CU_ASSERT (apteryx_unprovide (multiple_wildcards, test_provide_wildcard_callback));
    CU_ASSERT((value=apteryx_get(TEST_PATH"/x/double_wildcard/y/f")) == NULL);
    CU_ASSERT((search_result = apteryx_search(TEST_PATH"/wildcard/")) == NULL);
};


void
test_tree_nodes ()
{
    GNode* root;
    GNode* node;

    root = APTERYX_NODE (NULL, TEST_PATH"/interfaces/eth0");
    APTERYX_LEAF (root, "state", "up");
    APTERYX_LEAF (root, "speed", "1000");
    APTERYX_LEAF (root, "duplex", "full");
    CU_ASSERT (root != NULL);
    CU_ASSERT (g_node_n_nodes (root, G_TRAVERSE_LEAFS) == 3);
    CU_ASSERT (g_node_n_children (root) == 3);
    CU_ASSERT (!APTERYX_HAS_VALUE(root));
    node = root ? g_node_first_child (root) : NULL;
    while (node)
    {
        if (strcmp (APTERYX_NAME (node), "state") == 0)
        {
            CU_ASSERT (strcmp (APTERYX_VALUE (node), "up") == 0);
        }
        else if (strcmp (APTERYX_NAME (node), "speed") == 0)
        {
            CU_ASSERT (strcmp (APTERYX_VALUE (node), "1000") == 0);
        }
        else if (strcmp (APTERYX_NAME (node), "duplex") == 0)
        {
            CU_ASSERT (strcmp (APTERYX_VALUE (node), "full") == 0);
        }
        else
        {
            CU_ASSERT (node == NULL);
        }
        node = node->next;
    }
    g_node_destroy (root);
    CU_ASSERT (assert_apteryx_empty ());
}

void
test_tree_nodes_deep ()
{
    GNode *root, *node;
    char *name, *path;
    int i;

    CU_ASSERT ((name = strdup (TEST_PATH"/root")) != NULL);
    CU_ASSERT ((root = APTERYX_NODE (NULL, name)) != NULL);
    node = root;
    for (i=0; i<1024; i++)
    {
        name = NULL;
        CU_ASSERT (asprintf (&name, "%d", i));
        CU_ASSERT ((node = APTERYX_NODE (node, name)) != NULL);
    }
    path = apteryx_node_path (node);
    CU_ASSERT (strlen (path) == 4020);
    free (path);
    CU_ASSERT (g_node_n_children (node) == 0);
    CU_ASSERT (APTERYX_NUM_NODES (root) == 1024);
    CU_ASSERT (g_node_n_nodes (root, G_TRAVERSE_ALL) == 1025);
    CU_ASSERT (g_node_n_nodes (root, G_TRAVERSE_LEAVES) == 1);
    CU_ASSERT (g_node_n_children (root) == 1);
    CU_ASSERT (!APTERYX_HAS_VALUE(root));
    apteryx_free_tree (root);
    CU_ASSERT (assert_apteryx_empty ());
}

void
test_tree_nodes_wide ()
{
    GNode *root;
    char *name, *value;
    int i;

    CU_ASSERT ((name = strdup (TEST_PATH"/root")) != NULL);
    CU_ASSERT ((root = APTERYX_NODE (NULL, name)) != NULL);
    for (i=0; i<1024; i++)
    {
        name = value = NULL;
        CU_ASSERT (asprintf (&name, "%d", i));
        CU_ASSERT (asprintf (&value, "%d", i));
        APTERYX_LEAF (root, name, value);
    }
    CU_ASSERT (APTERYX_NUM_NODES (root) == 1025);
    CU_ASSERT (g_node_n_nodes (root, G_TRAVERSE_ALL) == 2049);
    CU_ASSERT (g_node_n_nodes (root, G_TRAVERSE_LEAVES) == 1024);
    CU_ASSERT (g_node_n_children (root) == 1024);
    CU_ASSERT (!APTERYX_HAS_VALUE(root));
    apteryx_free_tree (root);
    CU_ASSERT (assert_apteryx_empty ());
}

void
test_tree_find_children ()
{
    GNode* root;
    GNode* node;

    root = APTERYX_NODE (NULL, TEST_PATH"/interfaces/eth0");
    APTERYX_LEAF (root, "state", "up");
    APTERYX_LEAF (root, "speed", "1000");
    APTERYX_LEAF (root, "duplex", "full");
    CU_ASSERT ((node = apteryx_find_child (root, "duplex")) != NULL);
    CU_ASSERT ((node = apteryx_find_child (root, "speed")) != NULL);
    CU_ASSERT ((node = apteryx_find_child (root, "state")) != NULL);
    CU_ASSERT (g_strcmp0 (APTERYX_CHILD_VALUE (root, "state"), "up") == 0);
    CU_ASSERT (g_strcmp0 (APTERYX_CHILD_VALUE (root, "speed"), "1000") == 0);
    CU_ASSERT (g_strcmp0 (APTERYX_CHILD_VALUE (root, "duplex"), "full") == 0);
    g_node_destroy (root);
    CU_ASSERT (assert_apteryx_empty ());
}

void
test_tree_path_node ()
{
    GNode *root;
    GNode *first_child;
    GNode *node;

    root = APTERYX_NODE (NULL, TEST_PATH);
    CU_ASSERT (root != NULL);
    first_child = APTERYX_NODE (root, "interfaces");
    CU_ASSERT (first_child != NULL);
    node = APTERYX_NODE (first_child, "eth0");
    CU_ASSERT (node != NULL);
    node = NULL;

    /* Test successful searches
     */
    CU_ASSERT ((node = apteryx_path_node (root, TEST_PATH)) != NULL);
    CU_ASSERT (strcmp (APTERYX_NAME (node), TEST_PATH) == 0);
    CU_ASSERT ((node = apteryx_path_node (root, "/interfaces")) != NULL);
    CU_ASSERT (strcmp (APTERYX_NAME (node), "interfaces") == 0);
    CU_ASSERT ((node = apteryx_path_node (root, "/interfaces/eth0")) != NULL);
    CU_ASSERT (strcmp (APTERYX_NAME (node), "eth0") == 0);
    CU_ASSERT ((node = apteryx_path_node (root, TEST_PATH"/interfaces/eth0")) != NULL);
    CU_ASSERT (strcmp (APTERYX_NAME (node), "eth0") == 0);
    CU_ASSERT ((node = apteryx_path_node (first_child, "/interfaces/eth0")) != NULL);
    CU_ASSERT (strcmp (APTERYX_NAME (node), "eth0") == 0);

    /* Test it fails correctly
     */
    CU_ASSERT ((node = apteryx_path_node (root, "")) == NULL);
    CU_ASSERT ((node = apteryx_path_node (root, "/interface")) == NULL);
    CU_ASSERT ((node = apteryx_path_node (root, "/interfaces/eth1")) == NULL);
    CU_ASSERT ((node = apteryx_path_node (root, TEST_PATH"/interfaces/eth1")) == NULL);
    CU_ASSERT ((node = apteryx_path_node (root, TEST_PATH"ing/interfaces/eth0")) == NULL);
    CU_ASSERT ((node = apteryx_path_node (root, "/tes/interfaces/eth0")) == NULL);

    g_node_destroy (root);
    CU_ASSERT (assert_apteryx_empty ());
}

static int
test_tree_sort (const char *a, const char *b)
{
    unsigned int id1 = atoi (a);
    unsigned int id2 = atoi (b);
    return id1 - id2;
}

static void
test_tree_check_sorted (GNode *node, gpointer data)
{
    unsigned int *max = (unsigned int *) data;
    unsigned int name = atoi (APTERYX_NAME (node));
    unsigned int child = atoi (APTERYX_NAME (node->children));
    unsigned int value = atoi (APTERYX_VALUE (node->children));
    CU_ASSERT ((*max == 0 && node->prev == NULL) || node->prev->next == node);
    CU_ASSERT (node->children->parent == node);
    CU_ASSERT (node->children->children->parent == node->children);
    CU_ASSERT (name == child);
    CU_ASSERT (child == value);
    CU_ASSERT (*max <= value);
    *max = value;
}

void
test_tree_sort_children ()
{
    GNode *root;
    int count = 1024;
    char *name;
    unsigned int i;

    CU_ASSERT ((name = strdup (TEST_PATH"/root")) != NULL);
    CU_ASSERT ((root = APTERYX_NODE (NULL, name)) != NULL);
    for (i=0; i<count; i++)
    {
        name = NULL;
        CU_ASSERT (asprintf (&name, "%d", (unsigned int) rand ()));
        APTERYX_LEAF (APTERYX_NODE (root, name), strdup (name), strdup (name));
    }
    CU_ASSERT (g_node_n_children (root) == count);
    apteryx_sort_children (root, test_tree_sort);
    i = 0;
    g_node_children_foreach (root, G_TRAVERSE_ALL,
            test_tree_check_sorted, (gpointer) &i);
    apteryx_free_tree (root);
    CU_ASSERT (assert_apteryx_empty ());
}

void
test_uniqify_nodes_static ()
{
    GNode *root = APTERYX_NODE (NULL, TEST_PATH"/branch");
    GNode *n = APTERYX_NODE (root, "duplicate");
    APTERYX_LEAF (n, "value_a", "10");
    n = APTERYX_NODE (root, "duplicate");
    APTERYX_LEAF (n, "value_b", "20");
    CU_ASSERT (root && g_node_n_nodes (root, G_TRAVERSE_ALL) == 7);
    apteryx_uniqify_tree (root, NULL);
    CU_ASSERT (root && g_node_n_nodes (root, G_TRAVERSE_ALL) == 6);
    g_node_destroy (root);
}

void
test_uniqify_nodes_requires_sorting ()
{
    GNode *root = APTERYX_NODE (NULL, TEST_PATH"/branch");
    GNode *n = APTERYX_NODE (root, "duplicate");
    APTERYX_LEAF (n, "value_a", "10");
    n = APTERYX_NODE (root, "non-duplicate");
    APTERYX_LEAF (n, "value_b", "20");
    n = APTERYX_NODE (root, "duplicate");
    APTERYX_LEAF (n, "value_c", "30");
    CU_ASSERT (root && g_node_n_nodes (root, G_TRAVERSE_ALL) == 10);
    apteryx_uniqify_tree (root, NULL);
    CU_ASSERT (root && g_node_n_nodes (root, G_TRAVERSE_ALL) == 9);
    g_node_destroy (root);
}

void
test_uniqify_nodes_multiple_level_collision ()
{
    GNode *root = APTERYX_NODE (NULL, TEST_PATH"/branch");
    GNode *n = APTERYX_NODE (root, "duplicate");
    n = APTERYX_NODE (n, "second-duplicate");
    APTERYX_LEAF (n, "value_a", "10");
    n = APTERYX_NODE (root, "non-duplicate");
    APTERYX_LEAF (n, "value_b", "20");
    n = APTERYX_NODE (root, "duplicate");
    n = APTERYX_NODE (n, "second-duplicate");
    APTERYX_LEAF (n, "value_c", "30");
    CU_ASSERT (root && g_node_n_nodes (root, G_TRAVERSE_ALL) == 12);
    apteryx_uniqify_tree (root, NULL);
    CU_ASSERT (root && g_node_n_nodes (root, G_TRAVERSE_ALL) == 10);
    g_node_destroy (root);
}

void
test_uniqify_nodes_multiple_level_value_collision ()
{
    GNode *root = APTERYX_NODE (NULL, TEST_PATH"/branch");
    GNode *n = APTERYX_NODE (root, "duplicate");
    n = APTERYX_NODE (n, "second-duplicate");
    APTERYX_LEAF (n, "value", "10");
    n = APTERYX_NODE (root, "duplicate");
    n = APTERYX_NODE (n, "second-duplicate");
    APTERYX_LEAF (n, "value", "30");
    CU_ASSERT (root && g_node_n_nodes (root, G_TRAVERSE_ALL) == 9);
    apteryx_uniqify_tree (root, NULL);

    apteryx_print_tree(root, stdout);
    CU_ASSERT (root && g_node_n_nodes (root, G_TRAVERSE_ALL) == 5);
    n = apteryx_path_node(root, TEST_PATH"/branch/duplicate/second-duplicate/value");
    CU_ASSERT(n && strcmp(APTERYX_VALUE(n), "30") == 0);

    g_node_destroy (root);
}


void
test_uniqify_nodes_dynamic_memory ()
{
    GNode *root = APTERYX_NODE (NULL, g_strdup(TEST_PATH"/branch"));
    GNode *n = APTERYX_NODE (root, g_strdup("duplicate"));
    APTERYX_LEAF (n, g_strdup("value-a"), g_strdup("10"));
    n = APTERYX_NODE (root, g_strdup("non-duplicate"));
    APTERYX_LEAF (n, g_strdup("value-b"), g_strdup("20"));
    n = APTERYX_NODE (root, g_strdup("duplicate"));
    APTERYX_LEAF (n, g_strdup("value-c"), g_strdup("30"));
    CU_ASSERT (root && g_node_n_nodes (root, G_TRAVERSE_ALL) == 10);
    apteryx_uniqify_tree (root, g_free);
    CU_ASSERT (root && g_node_n_nodes (root, G_TRAVERSE_ALL) == 9);
    apteryx_free_tree (root);
}

void
test_uniqify_apteryx_path_to_node ()
{
    GNode *root = APTERYX_NODE (NULL, g_strdup(TEST_PATH));
    apteryx_path_to_node (root, TEST_PATH"/branch/duplicate/value", "10");
    apteryx_path_to_node (root, TEST_PATH"/branch/duplicate/value", "20");
    CU_ASSERT (root && g_node_n_nodes (root, G_TRAVERSE_ALL) == 5);
    /* Add a duplicate value */
    GNode *node = apteryx_path_node (root, TEST_PATH"/branch/duplicate");
    APTERYX_LEAF(node, g_strdup("value"), g_strdup("30"));
    CU_ASSERT (root && g_node_n_nodes (root, G_TRAVERSE_ALL) == 7);
    apteryx_uniqify_tree (root, g_free);
    CU_ASSERT (root && g_node_n_nodes (root, G_TRAVERSE_ALL) == 5);

    node = apteryx_path_node(root, TEST_PATH"/branch/duplicate/value");
    CU_ASSERT(node && strcmp(APTERYX_VALUE(node), "30") == 0);

    apteryx_path_to_node (root, TEST_PATH"/branch/duplicate/value", "40");

    /* apteryx_path_to_node should overwrite the duplicate value */
    node = apteryx_path_node(root, TEST_PATH"/branch/duplicate/value");
    CU_ASSERT(node && strcmp(APTERYX_VALUE(node), "40") == 0);

    apteryx_free_tree (root);
}

void
test_tree_docs ()
{
    char *expect = ""
        "/interfaces\n"
        "  eth0\n"
        "    state\n"
        "      duplex\n"
        "        full\n"
        "      speed\n"
        "        1000\n"
        "      state\n"
        "        up\n";
    GNode* root = APTERYX_NODE (NULL, "/interfaces");
    GNode* state = APTERYX_NODE (APTERYX_NODE (root, "eth0"), "state");
    APTERYX_LEAF (state, "state", "up");
    APTERYX_LEAF (state, "speed", "1000");
    APTERYX_LEAF (state, "duplex", "full");
    CU_ASSERT (APTERYX_NUM_NODES (root) == 6);
    CU_ASSERT (g_node_n_nodes (root, G_TRAVERSE_LEAVES) == 3);
    char *buffer = apteryx_dump_tree (root);
    CU_ASSERT (g_strcmp0 (buffer, expect) == 0);
    free (buffer);
    g_node_destroy (root);
}

void
test_set_tree ()
{
    GNode* root;
    const char *value = NULL;

    root = APTERYX_NODE (NULL, TEST_PATH"/interfaces/eth0");
    APTERYX_LEAF (root, "state", "up");
    APTERYX_LEAF (root, "speed", "1000");
    APTERYX_LEAF (root, "duplex", "full");
    CU_ASSERT (apteryx_set_tree (root));
    CU_ASSERT ((value = apteryx_get (TEST_PATH"/interfaces/eth0/speed")) != NULL);
    CU_ASSERT (value && strcmp (value, "1000") == 0);
    free ((void *) value);
    CU_ASSERT (apteryx_prune (TEST_PATH"/interfaces/eth0"));
    g_node_destroy (root);
    CU_ASSERT (assert_apteryx_empty ());
}

void
test_set_tree_empty ()
{
    GNode *root = g_node_new ("/");
    CU_ASSERT (apteryx_set_tree (root));
    g_node_destroy (root);
}

void
test_get_tree ()
{
    const char *path = TEST_PATH"/interfaces/eth0";
    GNode *root = NULL;
    GNode *node = NULL;

    CU_ASSERT (apteryx_set_string (path, "state", "up"));
    CU_ASSERT (apteryx_set_string (path, "speed", "1000"));
    CU_ASSERT (apteryx_set_string (path, "duplex", "full"));
    root = apteryx_get_tree (TEST_PATH"/interfaces");
    CU_ASSERT (root != NULL);
    CU_ASSERT (root && strcmp (APTERYX_NAME (root), TEST_PATH"/interfaces") == 0);
    CU_ASSERT (root && g_node_n_children (root) == 1);
    node = root ? g_node_first_child (root) : NULL;
    CU_ASSERT (node && strcmp (APTERYX_NAME (node), "eth0") == 0);
    CU_ASSERT (node && g_node_n_children (node) == 3);
    node = node ? g_node_first_child (node) : NULL;
    while (node)
    {
        if (strcmp (APTERYX_NAME (node), "state") == 0)
        {
            CU_ASSERT (strcmp (APTERYX_VALUE (node), "up") == 0);
        }
        else if (strcmp (APTERYX_NAME (node), "speed") == 0)
        {
            CU_ASSERT (strcmp (APTERYX_VALUE (node), "1000") == 0);
        }
        else if (strcmp (APTERYX_NAME (node), "duplex") == 0)
        {
            CU_ASSERT (strcmp (APTERYX_VALUE (node), "full") == 0);
        }
        else
        {
            CU_ASSERT (node == NULL);
        }
        node = node->next;
    }
    CU_ASSERT (apteryx_prune (path));
    apteryx_free_tree (root);
    CU_ASSERT (assert_apteryx_empty ());
}

void
test_get_tree_value_on_branch ()
{
    const char *path = TEST_PATH"/interfaces/eth0";
    GNode *root = NULL;
    GNode *node = NULL;

    CU_ASSERT (apteryx_set_string (path, "state", "up"));
    CU_ASSERT (apteryx_set_string (path, "duplex", "full"));
    CU_ASSERT (apteryx_set_string (TEST_PATH"/interfaces", "eth0", "eth0"));
    /* get_tree only returns values on leaf nodes */
    root = apteryx_get_tree (TEST_PATH"/interfaces");
    CU_ASSERT (root != NULL);
    CU_ASSERT (root && strcmp (APTERYX_NAME (root), TEST_PATH"/interfaces") == 0);
    CU_ASSERT (root && g_node_n_children (root) == 1);
    node = root ? g_node_first_child (root) : NULL;
    CU_ASSERT (node && strcmp (APTERYX_NAME (node), "eth0") == 0);
    CU_ASSERT (node && g_node_n_children (node) == 2);
    CU_ASSERT (apteryx_prune (path));
    apteryx_free_tree (root);
    CU_ASSERT (assert_apteryx_empty ());
}

void
test_get_tree_single_node ()
{
    const char *path = TEST_PATH"/interfaces/eth0/state";
    GNode *root = NULL;

    CU_ASSERT (apteryx_set (path, "up"));
    root = apteryx_get_tree (path);
    CU_ASSERT (root != NULL);
    CU_ASSERT (root && APTERYX_HAS_VALUE (root));
    CU_ASSERT (root && strcmp (APTERYX_NAME (root), path) == 0);
    if (root && APTERYX_HAS_VALUE (root))
    {
        CU_ASSERT (root && strcmp (APTERYX_VALUE (root), "up") == 0);
    }
    CU_ASSERT (apteryx_set (path, NULL));
    apteryx_free_tree (root);
    CU_ASSERT (assert_apteryx_empty ());
}

void
test_get_tree_provided ()
{
    const char *path = TEST_PATH"/interfaces/eth0/state";
    GNode *root = NULL;
    GNode *node = NULL;

    CU_ASSERT (apteryx_provide (path, test_provide_cb));
    root = apteryx_get_tree (TEST_PATH"/interfaces");
    CU_ASSERT (root != NULL);
    CU_ASSERT (root && !APTERYX_HAS_VALUE (root));
    node = root ? g_node_first_child (root) : NULL;
    CU_ASSERT (node && strcmp (APTERYX_NAME (node), "eth0") == 0);
    CU_ASSERT (node && g_node_n_children (node) == 1);
    node = node ? g_node_first_child (node) : NULL;
    CU_ASSERT (node && strcmp (APTERYX_NAME (node), "state") == 0);
    CU_ASSERT (node && g_node_n_children (node) == 1);

    CU_ASSERT (apteryx_unprovide (path, test_provide_cb));
    apteryx_free_tree (root);
    CU_ASSERT (assert_apteryx_empty ());
}

void
test_get_tree_provided_before_db ()
{
    const char *path = TEST_PATH"/interfaces/eth0/state";
    GNode *root = NULL;
    GNode *node = NULL;

    CU_ASSERT (apteryx_provide (path, test_provide_cb));
    CU_ASSERT (apteryx_set (path, "up"));
    root = apteryx_get_tree (TEST_PATH"/interfaces");
    CU_ASSERT (root != NULL);
    node = root ? g_node_first_child (root) : NULL;
    CU_ASSERT (node && g_node_n_children (node) == 1);
    node = node ? g_node_first_child (node) : NULL;
    CU_ASSERT (node && strcmp (APTERYX_NAME (node), "state") == 0);
    CU_ASSERT (node && strcmp (APTERYX_VALUE (node), "provided") == 0);

    CU_ASSERT (apteryx_set (path, NULL));
    CU_ASSERT (apteryx_unprovide (path, test_provide_cb));
    apteryx_free_tree (root);
    CU_ASSERT (assert_apteryx_empty ());
}

void
test_get_tree_provided_plus_set ()
{
    const char *path = TEST_PATH"/interfaces/eth0/state";
    const char *path2 = TEST_PATH"/interfaces/eth0/admin-status";
    GNode *root = NULL;
    GNode *node = NULL;

    CU_ASSERT (apteryx_provide (path, test_provide_cb));
    CU_ASSERT (apteryx_set (path2, "up"));
    root = apteryx_get_tree (TEST_PATH"/interfaces");
    CU_ASSERT (root != NULL);
    CU_ASSERT (root && !APTERYX_HAS_VALUE (root));
    node = root ? g_node_first_child (root) : NULL;
    CU_ASSERT (node && strcmp (APTERYX_NAME (node), "eth0") == 0);
    CU_ASSERT (node && g_node_n_children (node) == 2);
    node = node ? g_node_first_child (node) : NULL;
    if (node && (strcmp (APTERYX_NAME (node), "state") == 0 || strcmp (APTERYX_NAME (node), "admin-status") == 0))
    {
        CU_ASSERT (node && g_node_n_children (node) == 1);
    }
    else
    {
        CU_ASSERT (false);
    }

    CU_ASSERT (apteryx_unprovide (path, test_provide_cb));
    CU_ASSERT (apteryx_set (path2, NULL));
    apteryx_free_tree (root);
    CU_ASSERT (assert_apteryx_empty ());
}

/* Writing to the database during a provide is a bit cruel and nasty,
 * but we need to be sure that we don't get dead locked while trying
 * to traverse the tree.
 */
char *
test_provide_writes_cb (const char *path)
{
    apteryx_set (TEST_PATH"/unimportant", NULL);
    return strdup ("provided");
}

void
test_get_tree_provider_write ()
{
    const char *path = TEST_PATH"/interfaces/eth0/state";
    GNode *root = NULL;
    GNode *node = NULL;

    CU_ASSERT (apteryx_provide (path, test_provide_writes_cb));
    root = apteryx_get_tree (TEST_PATH"/interfaces");
    CU_ASSERT (root != NULL);
    CU_ASSERT (root && !APTERYX_HAS_VALUE (root));
    node = root ? g_node_first_child (root) : NULL;
    CU_ASSERT (node && strcmp (APTERYX_NAME (node), "eth0") == 0);
    CU_ASSERT (node && g_node_n_children (node) == 1);
    node = node ? g_node_first_child (node) : NULL;
    CU_ASSERT (node && strcmp (APTERYX_NAME (node), "state") == 0);
    CU_ASSERT (node && g_node_n_children (node) == 1);

    CU_ASSERT (apteryx_unprovide (path, test_provide_writes_cb));
    apteryx_free_tree (root);
    CU_ASSERT (assert_apteryx_empty ());
}

void
test_get_tree_null ()
{
    const char *path = TEST_PATH"/interfaces/eth0/state";
    GNode *root = NULL;
    root = apteryx_get_tree (path);
    CU_ASSERT (root == NULL);
    CU_ASSERT (assert_apteryx_empty ());
}

static bool thrasher_running = false;

static void *
database_thrasher (void *unused)
{
    GNode *root = NULL;
    thrasher_running = true;

    for (int v = 0; thrasher_running; v++)
    {
        root = APTERYX_NODE (NULL, strdup (TEST_PATH"/database/filled/with/nothing"));
        for (int i = 0; i < 50; i++)
        {
            char *k = NULL;
            if(asprintf (&k, "%d", i))
            {
                APTERYX_LEAF_INT (root, k, v);
                free (k);
            }
        }
        apteryx_set_tree (root);
        apteryx_free_tree (root);
    }
    return NULL;
}

void
test_get_tree_while_thrashing ()
{
    pthread_t thrasher_thread;

    pthread_create (&thrasher_thread, NULL, database_thrasher, NULL);

    /* When we read this tree all values should be the same,
     * and there should be about 50 of them */
    usleep (TEST_SLEEP_TIMEOUT);
    GNode *root = apteryx_get_tree (TEST_PATH"/database/filled/with/nothing");

    CU_ASSERT (root != NULL);
    if (root)
    {
        CU_ASSERT (APTERYX_NUM_NODES (root) == 51);
        int found_value = 0;
        for (int i = 0; i < 50; i++)
        {
            char k[10];
            int value;

            sprintf (k, "%d", i);
            GNode *child = apteryx_find_child (root, k);
            CU_ASSERT (child != NULL);
            value = atoi (child ? APTERYX_VALUE (child) : "0");
            if (found_value)
            {
                CU_ASSERT (found_value == value);
            }
            else
            {
                found_value = value;
            }
        }
        apteryx_free_tree (root);
    }

    thrasher_running = false;
    pthread_join (thrasher_thread, NULL);

    apteryx_prune (TEST_PATH"/database/filled/with/nothing");
}

void
test_query2node_invalid ()
{
    char *queries[] = {
        "die",
        "die=",
        "die=now",
        "die=now&=counter",
        "counter&die=now",
        "&",
        "&&,",
    };
    for (int i=0; i < sizeof(queries) / sizeof (const char *); i++)
    {
        GNode *root = g_node_new (g_strdup ("/"));
        CU_ASSERT (apteryx_query_to_node (root, queries[i]));
        apteryx_free_tree (root);
    }
}

void
test_query2node_empty_root_no_slash ()
{
    char *expect = "/\n"
                   "  test\n"
                   "    system\n"
                   "      time\n";
    GNode *root = g_node_new (g_strdup ("/"));
    CU_ASSERT (apteryx_query_to_node (root, "test/system/time"));
    char *buffer = apteryx_dump_tree (root);
    CU_ASSERT (g_strcmp0 (buffer, expect) == 0)
    free (buffer);
    apteryx_free_tree (root);
}

void
test_query2node_empty_root_slash ()
{
    char *expect = "/\n"
                   "  test\n"
                   "    system\n"
                   "      time\n";
    GNode *root = g_node_new (g_strdup ("/"));
    CU_ASSERT (apteryx_query_to_node (root, "/test/system/time"));
    char *buffer = apteryx_dump_tree (root);
    CU_ASSERT (g_strcmp0 (buffer, expect) == 0)
    free (buffer);
    apteryx_free_tree (root);
}

void
test_query2node_single_field ()
{
    GNode *root = g_node_new (g_strdup (TEST_PATH"/system"));
    CU_ASSERT (apteryx_query_to_node (root, "time"));
    CU_ASSERT (root && g_node_n_children (root) == 1);
    GNode *node = root ? g_node_first_child (root) : NULL;
    CU_ASSERT (node && strcmp (APTERYX_NAME (node), "time") == 0);
    CU_ASSERT (node && g_node_n_children (node) == 0);
    apteryx_free_tree (root);
}

void
test_query2node_double_field ()
{
    GNode *root = g_node_new (g_strdup (TEST_PATH"/system"));
    CU_ASSERT (apteryx_query_to_node (root, "time;date"));
    CU_ASSERT (root && g_node_n_children (root) == 2);
    GNode *child;
    CU_ASSERT ((child = apteryx_find_child (root, "time")) != NULL);
    CU_ASSERT (child && g_node_n_children (child) == 0);
    CU_ASSERT ((child = apteryx_find_child (root, "date")) != NULL);
    CU_ASSERT (child && g_node_n_children (child) == 0);
    apteryx_free_tree (root);
}

void
test_query2node_single_field_path ()
{
    GNode *root = g_node_new (g_strdup (TEST_PATH"/system"));
    CU_ASSERT (apteryx_query_to_node (root, "time/seconds"));
    CU_ASSERT (root && g_node_n_children (root) == 1);
    GNode *node = root ? g_node_first_child (root) : NULL;
    CU_ASSERT (node && strcmp (APTERYX_NAME (node), "time") == 0);
    CU_ASSERT (node && g_node_n_children (node) == 1);
    node = node ? g_node_first_child (node) : NULL;
    CU_ASSERT (node && strcmp (APTERYX_NAME (node), "seconds") == 0);
    CU_ASSERT (node && g_node_n_children (node) == 0);
    apteryx_free_tree (root);
}

void
test_query2node_double_field_path ()
{
    GNode *root = g_node_new (g_strdup (TEST_PATH"/system"));
    CU_ASSERT (apteryx_query_to_node (root, "time/seconds;date/day"));
    CU_ASSERT (root && g_node_n_children (root) == 2);
    GNode *child;
    CU_ASSERT ((child = apteryx_find_child (root, "time")) != NULL);
    CU_ASSERT (child && g_node_n_children (child) == 1);
    CU_ASSERT ((child = apteryx_find_child (child, "seconds")) != NULL);
    CU_ASSERT (child && g_node_n_children (child) == 0);
    CU_ASSERT ((child = apteryx_find_child (root, "date")) != NULL);
    CU_ASSERT (child && g_node_n_children (child) == 1);
    CU_ASSERT ((child = apteryx_find_child (child, "day")) != NULL);
    CU_ASSERT (child && g_node_n_children (child) == 0);
    apteryx_free_tree (root);
}

void
test_query2node_double_field_merge_path ()
{
    GNode *root = g_node_new (g_strdup (TEST_PATH"/system"));
    CU_ASSERT (apteryx_query_to_node (root, "time/seconds;time/day"));
    CU_ASSERT (root && g_node_n_children (root) == 1);
    GNode *parent, *child;
    CU_ASSERT ((parent = apteryx_find_child (root, "time")) != NULL);
    CU_ASSERT (parent && g_node_n_children (parent) == 2);
    CU_ASSERT ((child = apteryx_find_child (parent, "seconds")) != NULL);
    CU_ASSERT (child && g_node_n_children (child) == 0);
    CU_ASSERT ((child = apteryx_find_child (parent, "day")) != NULL);
    CU_ASSERT (child && g_node_n_children (child) == 0);
    apteryx_free_tree (root);
}

void
test_query2node_one_path_two_nodes ()
{
    GNode *root = g_node_new (g_strdup (TEST_PATH"/system"));
    CU_ASSERT (apteryx_query_to_node (root, "time(minutes;seconds)"));
    CU_ASSERT (root && g_node_n_children (root) == 1);
    GNode *node;
    CU_ASSERT ((node = apteryx_find_child (root, "time")) != NULL);
    CU_ASSERT (node && g_node_n_children (node) == 2);
    GNode *child;
    CU_ASSERT ((child = apteryx_find_child (node, "seconds")) != NULL);
    CU_ASSERT (child && g_node_n_children (child) == 0);
    CU_ASSERT ((child = apteryx_find_child (node, "minutes")) != NULL);
    CU_ASSERT (child && g_node_n_children (child) == 0);
    apteryx_free_tree (root);
}

void
test_query2node_two_path_two_nodes ()
{
    GNode *root = g_node_new (g_strdup (TEST_PATH"/system"));
    CU_ASSERT (apteryx_query_to_node (root, "time(minutes;seconds);date(month;day)"));
    CU_ASSERT (root && g_node_n_children (root) == 2);
    GNode *parent, *child;
    CU_ASSERT ((parent = apteryx_find_child (root, "time")) != NULL);
    CU_ASSERT (parent && g_node_n_children (parent) == 2);
    CU_ASSERT ((child = apteryx_find_child (parent, "seconds")) != NULL);
    CU_ASSERT (child && g_node_n_children (child) == 0);
    CU_ASSERT ((child = apteryx_find_child (parent, "minutes")) != NULL);
    CU_ASSERT (child && g_node_n_children (child) == 0);
    CU_ASSERT ((parent = apteryx_find_child (root, "date")) != NULL);
    CU_ASSERT (parent && g_node_n_children (parent) == 2);
    CU_ASSERT ((child = apteryx_find_child (parent, "month")) != NULL);
    CU_ASSERT (child && g_node_n_children (child) == 0);
    CU_ASSERT ((child = apteryx_find_child (parent, "day")) != NULL);
    CU_ASSERT (child && g_node_n_children (child) == 0);
    apteryx_free_tree (root);
}

void
test_query2node_two_path_merge_two_nodes ()
{
    GNode *root = g_node_new (g_strdup (TEST_PATH"/system"));
    CU_ASSERT (apteryx_query_to_node (root, "time(minutes;seconds);time(month;day)"));
    CU_ASSERT (root && g_node_n_children (root) == 1);
    GNode *parent, *child;
    CU_ASSERT ((parent = apteryx_find_child (root, "time")) != NULL);
    CU_ASSERT (parent && g_node_n_children (parent) == 4);
    CU_ASSERT ((child = apteryx_find_child (parent, "seconds")) != NULL);
    CU_ASSERT (child && g_node_n_children (child) == 0);
    CU_ASSERT ((child = apteryx_find_child (parent, "minutes")) != NULL);
    CU_ASSERT (child && g_node_n_children (child) == 0);
    CU_ASSERT ((child = apteryx_find_child (parent, "month")) != NULL);
    CU_ASSERT (child && g_node_n_children (child) == 0);
    CU_ASSERT ((child = apteryx_find_child (parent, "day")) != NULL);
    CU_ASSERT (child && g_node_n_children (child) == 0);
    apteryx_free_tree (root);
}

void
test_query2node_deep_nodes ()
{
    char *expect = "/test\n"
                   "  h\n"
                   "    a\n"
                   "      t\n"
                   "    b\n"
                   "      d\n"
                   "        t\n"
                   "      e\n"
                   "        t\n"
                   "    c\n"
                   "      t\n";
    GNode *root = g_node_new (g_strdup (TEST_PATH));
    CU_ASSERT (apteryx_query_to_node (root, "h(a;b(d;e);c)t"));
    char *buffer = apteryx_dump_tree (root);
    CU_ASSERT (g_strcmp0 (buffer, expect) == 0)
    free (buffer);
    apteryx_free_tree (root);
}

void
test_query2node_deep_paths ()
{
    char *expect = "/test\n"
                   "  h\n"
                   "    a\n"
                   "      j\n"
                   "        t\n"
                   "    b\n"
                   "      d\n"
                   "        e\n"
                   "          g\n"
                   "            j\n"
                   "              t\n"
                   "        f\n"
                   "          h\n"
                   "            j\n"
                   "              t\n"
                   "    c\n"
                   "      i\n"
                   "        j\n"
                   "          t\n";
    GNode *root = g_node_new (g_strdup (TEST_PATH));
    CU_ASSERT (apteryx_query_to_node (root, "h(a;b/d(e/g;f/h);c/i)j/t"));
    char *buffer = apteryx_dump_tree (root);
    CU_ASSERT (g_strcmp0 (buffer, expect) == 0)
    free (buffer);
    apteryx_free_tree (root);
}

void
test_query_empty ()
{
    GNode *query = g_node_new ("/");
    CU_ASSERT (apteryx_query (query) == NULL);
    g_node_destroy (query);
}

void
test_query_null_path()
{
    GNode *root = APTERYX_NODE (NULL, (char *) NULL);
    CU_ASSERT (apteryx_query (root) == NULL);
    g_node_destroy (root);
}

void
test_query_basic ()
{
    GNode *root = NULL;
    GNode *rroot = NULL;
    GNode *iroot = NULL;
    char *path = NULL;

    root = APTERYX_NODE (NULL, TEST_PATH"/routing/ipv4/rib/1");
    APTERYX_LEAF (root, "proto", "static");
    APTERYX_LEAF (root, "ifname", "eth0");
    APTERYX_LEAF (root, "prefix", "10.0.0.0/8");
    CU_ASSERT (apteryx_set_tree (root));
    g_node_destroy (root);

    root = APTERYX_NODE (NULL, TEST_PATH"/routing/ipv4/rib/2");
    APTERYX_LEAF (root, "proto", "static");
    APTERYX_LEAF (root, "ifname", "eth1");
    APTERYX_LEAF (root, "prefix", "172.16.0.0/16");
    CU_ASSERT (apteryx_set_tree (root));
    g_node_destroy (root);
    root = NULL;

    root = g_node_new (strdup ("/"));
    path = g_strdup (TEST_PATH"/routing/ipv4/rib/1");
    iroot = apteryx_path_to_node (root, path, NULL);
    APTERYX_NODE (iroot, strdup ("proto"));
    APTERYX_NODE (iroot, strdup ("ifname"));
    rroot = apteryx_query (root);
    CU_ASSERT (rroot && g_node_n_nodes (rroot, G_TRAVERSE_LEAVES) == 2);
    CU_ASSERT (rroot && g_node_n_nodes (rroot, G_TRAVERSE_ALL) == 10);

    apteryx_free_tree (rroot);
    apteryx_free_tree (root);

    /* Nothing to be queried from this point */
    root = APTERYX_NODE (NULL, TEST_PATH"/routing");
    rroot = apteryx_query(root);
    CU_ASSERT (rroot == NULL);

    apteryx_query (NULL);

    if (root) g_node_destroy(root);
    if (rroot) g_node_destroy(rroot);

    g_free (path);

    apteryx_prune (TEST_PATH);
}

void
test_query_subtree_root ()
{
    GNode *root = NULL;
    GNode *rroot = NULL;

    root = APTERYX_NODE (NULL, TEST_PATH"/routing/ipv4/rib/1");
    APTERYX_LEAF (root, "proto", "static");
    APTERYX_LEAF (root, "ifname", "eth0");
    APTERYX_LEAF (root, "prefix", "10.0.0.0/8");
    CU_ASSERT (apteryx_set_tree (root));
    g_node_destroy (root);

    root = APTERYX_NODE (NULL, TEST_PATH"/routing/ipv4/rib/2");
    APTERYX_LEAF (root, "proto", "static");
    APTERYX_LEAF (root, "ifname", "eth1");
    APTERYX_LEAF (root, "prefix", "172.16.0.0/16");
    CU_ASSERT (apteryx_set_tree (root));
    g_node_destroy (root);
    root = NULL;

    root = g_node_new (strdup (TEST_PATH"/routing/ipv4/rib/1"));
    APTERYX_NODE (root, strdup ("proto"));
    APTERYX_NODE (root, strdup ("ifname"));
    rroot = apteryx_query (root);
    CU_ASSERT (g_node_n_nodes (rroot, G_TRAVERSE_LEAVES) == 2);
    CU_ASSERT (g_node_n_nodes (rroot, G_TRAVERSE_ALL) == 5);

    apteryx_free_tree (rroot);
    apteryx_free_tree (root);

    apteryx_prune (TEST_PATH);
}

void
test_query_one_level ()
{
    GNode *query = NULL;
    GNode *rroot = NULL;

    apteryx_set_string (TEST_PATH"/interfaces/eth0", "description", "our lan");
    apteryx_set_string (TEST_PATH"/interfaces/eth0", "state", "up");
    apteryx_set_string (TEST_PATH"/interfaces/eth0/counters", "pkts", "10");

    /* Full tree query */
    query = g_node_new (strdup ("/"));
    apteryx_path_to_node (query, TEST_PATH"/interfaces/eth0/", NULL);
    rroot = apteryx_query (query);
    CU_ASSERT (rroot && g_node_n_nodes (rroot, G_TRAVERSE_LEAVES) == 2);
    apteryx_free_tree (rroot);
    apteryx_free_tree (query);

    /* Root node path and empty child node */
    query = g_node_new (strdup (TEST_PATH"/interfaces/eth0"));
    APTERYX_NODE (query, strdup (""));
    rroot = apteryx_query (query);
    CU_ASSERT (rroot && g_node_n_nodes (rroot, G_TRAVERSE_LEAVES) == 2);
    apteryx_free_tree (rroot);
    apteryx_free_tree (query);

    /* Full query in root node */
    query = g_node_new (strdup (TEST_PATH"/interfaces/eth0/"));
    rroot = apteryx_query (query);
    CU_ASSERT (rroot && g_node_n_nodes (rroot, G_TRAVERSE_LEAVES) == 2);
    apteryx_free_tree (rroot);
    apteryx_free_tree (query);

    apteryx_prune (TEST_PATH);
}

void
test_query_one_star ()
{
    GNode *root = NULL;
    GNode *rroot = NULL;
    GNode *iroot = NULL;
    char *path = NULL;

    root = APTERYX_NODE (NULL, TEST_PATH"/routing/ipv4/rib/1");
    APTERYX_LEAF (root, "proto", "static");
    APTERYX_LEAF (root, "ifname", "eth0");
    APTERYX_LEAF (root, "prefix", "10.0.0.0/8");
    CU_ASSERT (apteryx_set_tree (root));
    g_node_destroy (root);

    root = APTERYX_NODE (NULL, TEST_PATH"/routing/ipv4/rib/2");
    APTERYX_LEAF (root, "proto", "static");
    APTERYX_LEAF (root, "ifname", "eth1");
    APTERYX_LEAF (root, "prefix", "172.16.0.0/16");
    CU_ASSERT (apteryx_set_tree (root));
    g_node_destroy (root);
    root = NULL;

    root = g_node_new (strdup ("/"));
    path = strdup (TEST_PATH"/routing/ipv4/rib/*");
    iroot = apteryx_path_to_node (root, path, NULL);
    APTERYX_NODE (iroot, strdup ("proto"));
    APTERYX_NODE (iroot, strdup ("ifname"));
    rroot = apteryx_query (root);
    CU_ASSERT (g_node_n_nodes (rroot, G_TRAVERSE_LEAVES) == 4);

    apteryx_free_tree (rroot);
    apteryx_free_tree (root);
    g_free (path);

    apteryx_prune (TEST_PATH);
}

void
test_query_one_star_traverse ()
{
    GNode *root = NULL;
    GNode *rroot = NULL;
    char *path = NULL;

    root = APTERYX_NODE (NULL, TEST_PATH"/routing/ipv4/rib/1");
    APTERYX_LEAF (root, "proto", "static");
    APTERYX_LEAF (root, "ifname", "eth0");
    APTERYX_LEAF (root, "prefix", "10.0.0.0/8");
    CU_ASSERT (apteryx_set_tree (root));
    g_node_destroy (root);

    root = APTERYX_NODE (NULL, TEST_PATH"/routing/ipv4/rib/2");
    APTERYX_LEAF (root, "proto", "static");
    APTERYX_LEAF (root, "ifname", "eth1");
    APTERYX_LEAF (root, "prefix", "172.16.0.0/16");
    CU_ASSERT (apteryx_set_tree (root));
    g_node_destroy (root);
    root = NULL;

    root = g_node_new (strdup ("/"));
    path = strdup (TEST_PATH"/routing/ipv4/*");
    apteryx_path_to_node (root, path, NULL);
    rroot = apteryx_query (root);
    CU_ASSERT (g_node_n_nodes (rroot, G_TRAVERSE_LEAVES) == 6);

    apteryx_free_tree (rroot);
    apteryx_free_tree (root);
    g_free (path);

    apteryx_prune (TEST_PATH);
}

void
test_query_multi_star_traverse ()
{
    GNode *root = NULL;
    GNode *rroot = NULL;

    root = APTERYX_NODE (NULL, TEST_PATH"/routing/ipv4/rib/1");
    APTERYX_LEAF (root, "proto", "static");
    APTERYX_LEAF (root, "ifname", "eth0");
    APTERYX_LEAF (root, "prefix", "10.0.0.0/8");
    CU_ASSERT (apteryx_set_tree (root));
    g_node_destroy (root);

    root = APTERYX_NODE (NULL, TEST_PATH"/routing/ipv4/rib/2");
    APTERYX_LEAF (root, "proto", "static");
    APTERYX_LEAF (root, "ifname", "eth1");
    APTERYX_LEAF (root, "prefix", "172.16.0.0/16");
    CU_ASSERT (apteryx_set_tree (root));
    g_node_destroy (root);
    root = NULL;

    root = g_node_new (strdup ("/"));
    apteryx_path_to_node (root, TEST_PATH"/routing/ipv4/rib/*/ifname", NULL);
    apteryx_path_to_node (root, TEST_PATH"/routing/ipv4/fib/*", NULL);
    rroot = apteryx_query (root);
    CU_ASSERT (g_node_n_nodes (rroot, G_TRAVERSE_LEAVES) == 2);

    apteryx_free_tree (rroot);
    apteryx_free_tree (root);

    apteryx_prune (TEST_PATH);
}

void
test_query_one_star_one_level ()
{
    GNode *root = NULL;
    GNode *rroot = NULL;
    char *path = NULL;

    root = APTERYX_NODE (NULL, TEST_PATH"/routing/ipv4/rib/1");
    APTERYX_LEAF (root, "proto", "static");
    APTERYX_LEAF (root, "ifname", "eth0");
    APTERYX_LEAF (root, "prefix", "10.0.0.0/8");
    CU_ASSERT (apteryx_set_tree (root));
    g_node_destroy (root);

    root = APTERYX_NODE (NULL, TEST_PATH"/routing/ipv4/rib/2");
    APTERYX_LEAF (root, "proto", "static");
    APTERYX_LEAF (root, "ifname", "eth1");
    APTERYX_LEAF (root, "prefix", "172.16.0.0/16");
    CU_ASSERT (apteryx_set_tree (root));
    g_node_destroy (root);
    root = NULL;
    apteryx_set (TEST_PATH"/routing/ipv4/rib/3", "junk");

    root = g_node_new (strdup ("/"));
    path = strdup (TEST_PATH"/routing/ipv4/rib/*/");
    apteryx_path_to_node (root, path, NULL);
    rroot = apteryx_query (root);
    CU_ASSERT (rroot && g_node_n_nodes (rroot, G_TRAVERSE_LEAVES) == 6);

    apteryx_free_tree (rroot);
    apteryx_free_tree (root);
    g_free (path);

    apteryx_prune (TEST_PATH);
}

void
test_query_multi_star_one_level ()
{
    GNode *root = NULL;
    GNode *rroot = NULL;

    root = APTERYX_NODE (NULL, TEST_PATH"/routing/ipv4/rib/1");
    APTERYX_LEAF (root, "proto", "static");
    APTERYX_LEAF (root, "ifname", "eth0");
    APTERYX_LEAF (root, "prefix", "10.0.0.0/8");
    CU_ASSERT (apteryx_set_tree (root));
    g_node_destroy (root);

    root = APTERYX_NODE (NULL, TEST_PATH"/routing/ipv4/rib/2");
    APTERYX_LEAF (root, "proto", "static");
    APTERYX_LEAF (root, "ifname", "eth1");
    APTERYX_LEAF (root, "prefix", "172.16.0.0/16");
    CU_ASSERT (apteryx_set_tree (root));
    g_node_destroy (root);
    root = NULL;
    apteryx_set (TEST_PATH"/routing/ipv4/rib/3", "junk");

    root = g_node_new (strdup ("/"));
    apteryx_path_to_node (root, TEST_PATH"/routing/ipv4/rib/*/", NULL);
    apteryx_path_to_node (root, TEST_PATH"/routing/ipv4/fib/*", NULL);
    rroot = apteryx_query (root);
    CU_ASSERT (rroot && g_node_n_nodes (rroot, G_TRAVERSE_LEAVES) == 6);

    apteryx_free_tree (rroot);
    apteryx_free_tree (root);

    apteryx_prune (TEST_PATH);
}

void
test_query_two_star ()
{
    GNode *root = NULL;
    GNode *rroot = NULL;
    GNode *iroot = NULL;
    char *path = NULL;

    root = APTERYX_NODE (NULL, TEST_PATH"/routing/ipv4/rib/1");
    APTERYX_LEAF (root, "proto", "static");
    APTERYX_LEAF (root, "ifname", "eth0");
    APTERYX_LEAF (root, "prefix", "10.0.0.0/8");
    CU_ASSERT (apteryx_set_tree (root));
    g_node_destroy (root);

    root = APTERYX_NODE (NULL, TEST_PATH"/routing/ipv4/rib/2");
    APTERYX_LEAF (root, "proto", "static");
    APTERYX_LEAF (root, "ifname", "eth1");
    APTERYX_LEAF (root, "prefix", "172.16.0.0/16");
    CU_ASSERT (apteryx_set_tree (root));
    g_node_destroy (root);

    root = APTERYX_NODE (NULL, TEST_PATH"/routing/ipv6/rib/1");
    APTERYX_LEAF (root, "proto", "static");
    APTERYX_LEAF (root, "ifname", "eth0");
    APTERYX_LEAF (root, "prefix", "fc00:1::/64");
    CU_ASSERT (apteryx_set_tree (root));
    g_node_destroy (root);

    root = APTERYX_NODE (NULL, TEST_PATH"/routing/ipv6/rib/2");
    APTERYX_LEAF (root, "proto", "static");
    APTERYX_LEAF (root, "ifname", "eth1");
    APTERYX_LEAF (root, "prefix", "fc00:2::/64");
    CU_ASSERT (apteryx_set_tree (root));
    g_node_destroy (root);
    root = NULL;

    root = g_node_new (strdup ("/"));
    path = strdup (TEST_PATH"/routing/*/rib/*");
    iroot = apteryx_path_to_node (root, path, NULL);
    APTERYX_NODE (iroot, strdup ("proto"));
    APTERYX_NODE (iroot, strdup ("ifname"));
    rroot = apteryx_query (root);
    CU_ASSERT (g_node_n_nodes (rroot, G_TRAVERSE_LEAVES) == 8);

    apteryx_free_tree (rroot);
    apteryx_free_tree (root);
    g_free (path);

    apteryx_prune (TEST_PATH);
}

void
test_query_null_values ()
{
    GNode *root = NULL;
    GNode *rroot = NULL;
    GNode *iroot = NULL;
    char *path = NULL;

    root = APTERYX_NODE (NULL, TEST_PATH"/routing/ipv4/rib/0");
    APTERYX_LEAF (root, "proto", "static");
    APTERYX_LEAF (root, "prefix", "10.0.0.0/8");
    CU_ASSERT (apteryx_set_tree (root));
    g_node_destroy (root);

    root = APTERYX_NODE (NULL, TEST_PATH"/routing/ipv4/rib/1");
    APTERYX_LEAF (root, "proto", "static");
    APTERYX_LEAF (root, "ifname", "");
    APTERYX_LEAF (root, "prefix", "10.0.0.0/8");
    CU_ASSERT (apteryx_set_tree (root));
    g_node_destroy (root);

    root = APTERYX_NODE (NULL, TEST_PATH"/routing/ipv4/rib/2");
    APTERYX_LEAF (root, "proto", "static");
    APTERYX_LEAF (root, "ifname", "eth1");
    APTERYX_LEAF (root, "prefix", "10.0.0.0/8");
    CU_ASSERT (apteryx_set_tree (root));
    g_node_destroy (root);

    root = APTERYX_NODE (NULL, TEST_PATH"/routing/ipv4/rib/3");
    APTERYX_LEAF (root, "proto", "static");
    APTERYX_LEAF (root, "ifname", "eth10");
    APTERYX_LEAF (root, "prefix", "10.0.0.0/8");
    CU_ASSERT (apteryx_set_tree (root));
    g_node_destroy (root);
    root = NULL;

    root = g_node_new (strdup ("/"));
    path = strdup (TEST_PATH"/routing/*/rib/*");
    iroot = apteryx_path_to_node (root, path, NULL);
    APTERYX_NODE (iroot, strdup ("ifname"));
    rroot = apteryx_query (root);
    CU_ASSERT (g_node_n_nodes (rroot, G_TRAVERSE_LEAVES) == 2);

    apteryx_free_tree (rroot);
    apteryx_free_tree (root);
    g_free (path);

    apteryx_prune (TEST_PATH);
}

void
test_query_two_branches ()
{
    GNode *root = NULL;
    GNode *rroot = NULL;
    GNode *iroot = NULL;
    char *path = NULL;
    char *path2 = NULL;

    root = APTERYX_NODE (NULL, TEST_PATH"/routing/ipv4/rib/1");
    APTERYX_LEAF (root, "proto", "static");
    APTERYX_LEAF (root, "ifname", "eth0");
    APTERYX_LEAF (root, "prefix", "10.0.0.0/8");
    CU_ASSERT (apteryx_set_tree (root));
    g_node_destroy (root);

    root = APTERYX_NODE (NULL, TEST_PATH"/routing/ipv4/rib/2");
    APTERYX_LEAF (root, "proto", "static");
    APTERYX_LEAF (root, "ifname", "eth1");
    APTERYX_LEAF (root, "prefix", "172.16.0.0/16");
    CU_ASSERT (apteryx_set_tree (root));
    g_node_destroy (root);

    root = APTERYX_NODE (NULL, TEST2_PATH"/routing/ipv6/rib/0");
    APTERYX_LEAF (root, "proto", "static2");
    APTERYX_LEAF (root, "ifname", "eth2");
    APTERYX_LEAF (root, "prefix", "fc00:2::4/64");
    CU_ASSERT (apteryx_set_tree (root));
    g_node_destroy (root);
    root = NULL;

    root = g_node_new (strdup ("/"));
    path = strdup (TEST_PATH"/routing/ipv4/rib/1");
    path2 = strdup (TEST2_PATH"/routing/ipv6/rib/0");
    iroot = apteryx_path_to_node (root, path, NULL);
    APTERYX_NODE (iroot, strdup ("proto"));
    APTERYX_NODE (iroot, strdup ("ifname"));
    iroot = apteryx_path_to_node (root, path2, NULL);
    APTERYX_NODE (iroot, strdup ("proto"));
    APTERYX_NODE (iroot, strdup ("ifname"));
    rroot = apteryx_query (root);
    CU_ASSERT (rroot && strcmp (APTERYX_NAME (rroot), "/") == 0);
    char *p = apteryx_node_path(rroot);
    CU_ASSERT (strstr(p, "//") == NULL);
    g_free (p);
    CU_ASSERT (g_node_n_nodes (rroot, G_TRAVERSE_LEAVES) == 4);

    apteryx_free_tree (rroot);
    apteryx_free_tree (root);
    g_free (path);
    g_free (path2);

    apteryx_prune (TEST_PATH);
    apteryx_prune (TEST2_PATH);
}

static char *
dont_call_this(const char *_unused) {
    CU_ASSERT_FALSE ("Never call me here!");
    return NULL;
}

void
test_query_provided ()
{
    const char *path = TEST_PATH"/system/state";
    GNode *root = NULL;
    GNode *rroot = NULL;

    CU_ASSERT (apteryx_provide (path, test_provide_cb));

    /* Direct query of provided value */
    root = g_node_new (strdup ("/"));
    apteryx_path_to_node (root, path, NULL);
    rroot = apteryx_query (root);
    CU_ASSERT (rroot && g_node_n_nodes (rroot, G_TRAVERSE_LEAVES) == 1);
    CU_ASSERT (rroot && g_node_max_height (rroot) == 5);
    apteryx_free_tree (rroot);
    apteryx_free_tree (root);

    /* Directory level query of provided value */
    root = g_node_new (strdup ("/"));
    apteryx_path_to_node (root, TEST_PATH"/system/", NULL);
    rroot = apteryx_query (root);
    CU_ASSERT (rroot && g_node_n_nodes (rroot, G_TRAVERSE_LEAVES) == 1);
    CU_ASSERT (rroot && g_node_max_height (rroot) == 5);
    apteryx_free_tree (rroot);
    apteryx_free_tree (root);

    CU_ASSERT (apteryx_unprovide (path, test_provide_cb));
}

void
test_query_provided_before_db ()
{
    const char *path = TEST_PATH"/system/state";
    GNode *root = NULL;
    GNode *rroot = NULL;
    GNode *node;

    CU_ASSERT (apteryx_provide (path, test_provide_cb));
    CU_ASSERT (apteryx_set (path, "up"));

    /* Direct query of provided value */
    root = g_node_new (strdup ("/"));
    apteryx_path_to_node (root, path, NULL);
    rroot = apteryx_query (root);
    node = rroot ? g_node_first_child (rroot) : NULL;
    node = node ? g_node_first_child (node) : NULL;
    CU_ASSERT (node && g_node_n_children (node) == 1);
    node = node ? g_node_first_child (node) : NULL;
    CU_ASSERT (node && strcmp (APTERYX_NAME (node), "state") == 0);
    CU_ASSERT (node && strcmp (APTERYX_VALUE (node), "provided") == 0);
    apteryx_free_tree (rroot);
    apteryx_free_tree (root);

    /* Directory level query of provided value */
    root = g_node_new (strdup ("/"));
    apteryx_path_to_node (root, TEST_PATH"/system/", NULL);
    rroot = apteryx_query (root);
    node = rroot ? g_node_first_child (rroot) : NULL;
    node = node ? g_node_first_child (node) : NULL;
    CU_ASSERT (node && g_node_n_children (node) == 1);
    node = node ? g_node_first_child (node) : NULL;
    CU_ASSERT (node && strcmp (APTERYX_NAME (node), "state") == 0);
    CU_ASSERT (node && strcmp (APTERYX_VALUE (node), "provided") == 0);
    apteryx_free_tree (rroot);
    apteryx_free_tree (root);

    CU_ASSERT (apteryx_set (path, NULL));
    CU_ASSERT (apteryx_unprovide (path, test_provide_cb));
}

static uint64_t
test_refresh_cb(const char *path)
{
    apteryx_set (TEST_PATH"/system/ram/size", "1000");
    return 1000000;
}

void
test_query_provided_refreshed ()
{
    const char *path = TEST_PATH"/system";
    GNode *root = NULL;
    GNode *rroot = NULL;

    CU_ASSERT (apteryx_provide (TEST_PATH"/system/flash/size", test_provide_cb));
    CU_ASSERT (apteryx_refresh (TEST_PATH"/system/ram/size", test_refresh_cb));

    /* Direct query of value on the tree (no value) */
    root = g_node_new (strdup ("/"));
    apteryx_path_to_node (root, path, NULL);
    rroot = apteryx_query (root);
    CU_ASSERT (!rroot);
    apteryx_free_tree (rroot);
    apteryx_free_tree (root);

    /* Full depth query of tree */
    root = g_node_new (strdup ("/"));
    apteryx_path_to_node (root, TEST_PATH"/system/*", NULL);
    rroot = apteryx_query (root);
    CU_ASSERT (rroot && g_node_n_nodes (rroot, G_TRAVERSE_LEAVES) == 2);
    CU_ASSERT (rroot && g_node_max_height (rroot) == 6);
    apteryx_free_tree (rroot);
    apteryx_free_tree (root);

    /* Directory level query of provided + refreshed value */
    root = g_node_new (strdup ("/"));
    apteryx_path_to_node (root, TEST_PATH"/system/ram/", NULL);
    apteryx_path_to_node (root, TEST_PATH"/system/flash/", NULL);
    rroot = apteryx_query (root);
    CU_ASSERT (rroot && g_node_n_nodes (rroot, G_TRAVERSE_LEAVES) == 2);
    CU_ASSERT (rroot && g_node_max_height (rroot) == 6);
    apteryx_free_tree (rroot);
    apteryx_free_tree (root);

    CU_ASSERT (apteryx_unprovide (TEST_PATH"/system/flash/size", test_provide_cb));
    CU_ASSERT (apteryx_unrefresh (TEST_PATH"/system/ram/size", test_refresh_cb));
    apteryx_prune (TEST_PATH);
}

void
test_query_trunk_provided ()
{
    const char *path = TEST_PATH"/system/state";
    GNode *root = NULL;
    GNode *rroot = NULL;

    CU_ASSERT (apteryx_provide (path, test_provide_cb));

    /* Query of an intermediate node should return nothing */
    root = g_node_new (strdup ("/"));
    apteryx_path_to_node (root, TEST_PATH"/system", NULL);
    rroot = apteryx_query (root);
    CU_ASSERT (rroot == NULL);
    apteryx_free_tree (rroot);
    apteryx_free_tree (root);

    CU_ASSERT (apteryx_unprovide (path, test_provide_cb));
}

void
test_query_provided_wildcard ()
{
    const char *path = TEST_PATH"/system/state";
    GNode *root = NULL;
    GNode *rroot = NULL;

    CU_ASSERT (apteryx_provide (path, test_provide_cb));

    root = g_node_new (strdup ("/"));
    apteryx_path_to_node (root, TEST_PATH"/system/*", NULL);
    rroot = apteryx_query (root);
    CU_ASSERT (rroot && g_node_n_nodes (rroot, G_TRAVERSE_LEAVES) == 1);
    CU_ASSERT (rroot && g_node_max_height (rroot) == 5);

    apteryx_free_tree (rroot);
    apteryx_free_tree (root);

    CU_ASSERT (apteryx_unprovide (path, test_provide_cb));
}

void
test_query_provided_wildcards ()
{
    const char *path = TEST_PATH"/devices/*/interfaces/*/state";
    GNode *root = NULL;
    GNode *rroot = NULL;

    CU_ASSERT (apteryx_provide (path, test_provide_cb));
    CU_ASSERT (apteryx_provide (TEST_PATH"/forbidden", dont_call_this));

    root = APTERYX_NODE (NULL, TEST_PATH"/devices/unit1/interfaces/eth0");
    APTERYX_LEAF (root, "ifname", "eth0");
    CU_ASSERT (apteryx_set_tree (root));
    g_node_destroy (root);

    root = APTERYX_NODE (NULL, TEST_PATH"/devices/unit1/interfaces/eth1");
    APTERYX_LEAF (root, "ifname", "eth1");
    CU_ASSERT (apteryx_set_tree (root));
    g_node_destroy (root);

    root = g_node_new (strdup ("/"));
    apteryx_path_to_node (root, TEST_PATH"/devices/*", NULL);
    rroot = apteryx_query (root);
    CU_ASSERT (g_node_n_nodes (rroot, G_TRAVERSE_LEAVES) == 4);

    apteryx_free_tree (rroot);
    apteryx_free_tree (root);

    CU_ASSERT (apteryx_unprovide (TEST_PATH"/forbidden", dont_call_this));
    CU_ASSERT (apteryx_unprovide (path, test_provide_cb));

    CU_ASSERT (apteryx_provide (TEST_PATH"/one/provide/lower", test_provide_cb));
    root = g_node_new(strdup(TEST_PATH"/one/provide/*"));
    rroot = apteryx_query(root);
    CU_ASSERT (rroot && g_strcmp0 (TEST_PATH"/one/provide", APTERYX_NAME(rroot)) == 0);
    CU_ASSERT (g_node_n_nodes (rroot, G_TRAVERSE_LEAVES) == 1);
    apteryx_free_tree (rroot);
    apteryx_free_tree (root);
    CU_ASSERT (apteryx_unprovide (TEST_PATH"/one/provide/lower", test_provide_cb));

    apteryx_prune (TEST_PATH);
}

void
test_query_long_root()
{
    const char *path = TEST_PATH"/devices/dut/interfaces/eth1/state";
    GNode *root = NULL;
    GNode *rroot = NULL;

    apteryx_set(path, "up");

    root = g_node_new(strdup(TEST_PATH"/devices/*"));
    rroot = apteryx_query(root);
    CU_ASSERT (rroot && g_strcmp0 (TEST_PATH"/devices", APTERYX_NAME(rroot)) == 0);
    CU_ASSERT (g_node_n_nodes (rroot, G_TRAVERSE_LEAVES) == 1);
    apteryx_free_tree (rroot);
    apteryx_free_tree (root);

    root = g_node_new(strdup(TEST_PATH"/devices/*/interfaces/*"));
    rroot = apteryx_query(root);
    CU_ASSERT (rroot && g_strcmp0 (TEST_PATH"/devices", APTERYX_NAME(rroot)) == 0);
    CU_ASSERT (g_node_n_nodes (rroot, G_TRAVERSE_LEAVES) == 1);
    apteryx_free_tree (rroot);
    apteryx_free_tree (root);

    apteryx_prune (TEST_PATH);
}

void
test_query_too_long()
{
    GNode *query = NULL;

    apteryx_set (TEST_PATH"/routing/ipv4/rib", "rib");

    query = g_node_new (strdup ("/"));
    apteryx_path_to_node (query, TEST_PATH"/routing/ipv4/rib/1/ifname", NULL);
    CU_ASSERT (apteryx_query (query) == NULL);
    apteryx_free_tree (query);

    apteryx_prune (TEST_PATH);
}

void
test_query_value_on_branch()
{
    GNode *root = NULL;
    GNode *query = NULL;

    root = APTERYX_NODE (NULL, TEST_PATH"/routing/ipv4/rib/1");
    APTERYX_LEAF (root, "proto", "static");
    APTERYX_LEAF (root, "ifname", "eth0");
    APTERYX_LEAF (root, "prefix", "10.0.0.0/8");
    CU_ASSERT (apteryx_set_tree (root));
    g_node_destroy (root);

    root = APTERYX_NODE (NULL, TEST_PATH"/routing/ipv4/rib/2");
    APTERYX_LEAF (root, "proto", "static");
    APTERYX_LEAF (root, "ifname", "eth1");
    APTERYX_LEAF (root, "prefix", "172.16.0.0/16");
    CU_ASSERT (apteryx_set_tree (root));
    g_node_destroy (root);

    apteryx_set (TEST_PATH"/routing/ipv4/rib", "rib");

    query = g_node_new (strdup (TEST_PATH"/routing/ipv4/rib/*"));
    root = apteryx_query (query);
    CU_ASSERT (root && g_node_n_children (root) == 2);
    CU_ASSERT (g_node_n_nodes (root, G_TRAVERSE_LEAVES) == 6);
    apteryx_free_tree (query);
    apteryx_free_tree (root);

    query = g_node_new (strdup (TEST_PATH"/routing/ipv4/rib/1/ifname"));
    root = apteryx_query (query);
    CU_ASSERT (root && APTERYX_HAS_VALUE (root));
    CU_ASSERT (root && strcmp (APTERYX_VALUE (root), "eth0") == 0);
    apteryx_free_tree (query);
    apteryx_free_tree (root);

    apteryx_prune (TEST_PATH);
}

static uint64_t
refresh_query_state_callback (const char *path)
{
    if (_cb_path)
        free (_cb_path);
    _cb_path = g_strdup (path);
    apteryx_set (TEST_PATH"/devices/dut/interfaces/eth1/state", "up");
    _cb_count++;
    return _cb_timeout;
}

static void
refreshed_query (const char *rpath, const char *qpath, const char *epath, bool success_no_db, bool success_db)
{
    GNode *root = g_node_new (strdup (qpath));
    GNode *rroot = NULL;

    _cb_timeout = 100000;
    _cb_path = NULL;
    apteryx_refresh (rpath, refresh_query_state_callback);

    _cb_count = 0;
    rroot = apteryx_query (root);
    if (success_no_db)
    {
        CU_ASSERT (g_node_n_nodes (rroot, G_TRAVERSE_LEAVES) == 1);
        apteryx_free_tree (rroot);
        CU_ASSERT (_cb_count == 1);
        CU_ASSERT (_cb_path == epath || g_strcmp0 (_cb_path, epath) == 0);
        if (_cb_path != epath && g_strcmp0 (_cb_path, epath) != 0)
            printf("%s != %s\n", _cb_path, epath);
    }
    else
    {
        CU_ASSERT (_cb_count == 0);
    }
    free (_cb_path);
    _cb_path = NULL;

    apteryx_set (TEST_PATH"/devices/dut/interfaces/eth1/state", "down");

    _cb_count = 0;
    rroot = apteryx_query (root);
    if (success_db)
    {
        CU_ASSERT (rroot && g_node_n_nodes (rroot, G_TRAVERSE_LEAVES) == 1);
        apteryx_free_tree (rroot);
        CU_ASSERT ((success_no_db && _cb_count == 0) || (!success_no_db && _cb_count == 1));
        CU_ASSERT (success_no_db || _cb_path == epath || g_strcmp0 (_cb_path, epath) == 0);
        if (!success_no_db && _cb_path != epath && g_strcmp0 (_cb_path, epath) != 0)
            printf("%s != %s\n", _cb_path, epath);
    }
    else
    {
        CU_ASSERT (_cb_count == 0);
    }
    free (_cb_path);
    _cb_path = NULL;

    apteryx_free_tree (root);
    apteryx_unrefresh (rpath, refresh_query_state_callback);
    apteryx_prune (TEST_PATH);
}

void
test_query_refresh_exact_query_exact()
{
    refreshed_query (TEST_PATH"/devices/dut/interfaces/eth1/state",
                     TEST_PATH"/devices/dut/interfaces/eth1/state",
                     TEST_PATH"/devices/dut/interfaces/eth1/state",
                     true, true);
}

void
test_query_refresh_exact_query_trunk()
{
    refreshed_query (TEST_PATH"/devices/dut/interfaces/eth1/state",
                     TEST_PATH"/devices/*",
                     TEST_PATH"/devices/dut/interfaces/eth1/state",
                     true, true);
}

void
test_query_refresh_exact_query_root()
{
    refreshed_query (TEST_PATH"/devices/dut/interfaces/eth1/state",
                     TEST_PATH"/*",
                     TEST_PATH"/devices/dut/interfaces/eth1/state",
                     true, true);
}

void
test_query_refresh_exact_query_mid()
{
    refreshed_query (TEST_PATH"/devices/dut/interfaces/eth1/state",
                     TEST_PATH"/devices/*/interfaces/eth1/state",
                     TEST_PATH"/devices/dut/interfaces/eth1/state",
                     true, true);
}

void
test_query_refresh_exact_query_multi()
{
    refreshed_query (TEST_PATH"/devices/dut/interfaces/eth1/state",
                     TEST_PATH"/devices/*/interfaces/*",
                     TEST_PATH"/devices/dut/interfaces/eth1/state",
                     true, true);
}

void
test_query_refresh_trunk_query_exact()
{
    refreshed_query (TEST_PATH"/devices/*",
                     TEST_PATH"/devices/dut/interfaces/eth1/state",
                     TEST_PATH"/devices/dut/interfaces/eth1/state",
                     true, true);
}

void
test_query_refresh_trunk_query_trunk()
{
    refreshed_query (TEST_PATH"/devices/*",
                     TEST_PATH"/devices/*",
                     TEST_PATH"/devices/",
                     true, true);
}

void
test_query_refresh_trunk_query_root()
{
    refreshed_query (TEST_PATH"/devices/*",
                     TEST_PATH"/*",
                     TEST_PATH"/devices/",
                     true, true);
}

void
test_query_refresh_trunk_query_mid()
{
    refreshed_query (TEST_PATH"/devices/*",
                     TEST_PATH"/devices/*/interfaces/eth1/state",
                     TEST_PATH"/devices/",
                     true, true);
}

void
test_query_refresh_trunk_query_multi()
{
    refreshed_query (TEST_PATH"/devices/*",
                     TEST_PATH"/devices/*/interfaces/*",
                     TEST_PATH"/devices/",
                     true, true);
}

void
test_query_refresh_root_query_exact()
{
    refreshed_query (TEST_PATH"/*",
                     TEST_PATH"/devices/dut/interfaces/eth1/state",
                     TEST_PATH"/devices/dut/interfaces/eth1/state",
                     true, true);
}

void
test_query_refresh_root_query_trunk()
{
    refreshed_query (TEST_PATH"/*",
                     TEST_PATH"/devices/*",
                     TEST_PATH"/devices/",
                     true, true);
}

void
test_query_refresh_root_query_root()
{
    refreshed_query (TEST_PATH"/*",
                     TEST_PATH"/*",
                     TEST_PATH"/",
                     true, true);
}

void
test_query_refresh_root_query_mid()
{
    refreshed_query (TEST_PATH"/*",
                     TEST_PATH"/devices/*/interfaces/eth1/state",
                     TEST_PATH"/devices/",
                     true, true);
}

void
test_query_refresh_root_query_multi()
{
    refreshed_query (TEST_PATH"/*",
                     TEST_PATH"/devices/*/interfaces/*",
                     TEST_PATH"/devices/",
                     true, true);
}

void
test_query_refresh_mid_query_exact()
{
    refreshed_query (TEST_PATH"/devices/*/interfaces/eth1/state",
                     TEST_PATH"/devices/dut/interfaces/eth1/state",
                     TEST_PATH"/devices/dut/interfaces/eth1/state",
                     true, true);
}

void
test_query_refresh_mid_query_trunk()
{
    refreshed_query (TEST_PATH"/devices/*/interfaces/eth1/state",
                     TEST_PATH"/devices/*",
                     TEST_PATH"/devices/dut/interfaces/eth1/state",
                     false, true);
}

void
test_query_refresh_mid_query_root()
{
    refreshed_query (TEST_PATH"/devices/*/interfaces/eth1/state",
                     TEST_PATH"/*",
                     TEST_PATH"/devices/dut/interfaces/eth1/state",
                     false, true);
}

void
test_query_refresh_mid_query_mid()
{
    refreshed_query (TEST_PATH"/devices/*/interfaces/eth1/state",
                     TEST_PATH"/devices/*/interfaces/eth1/state",
                     TEST_PATH"/devices/dut/interfaces/eth1/state",
                     false, true);
}

void
test_query_refresh_mid_query_multi()
{
    refreshed_query (TEST_PATH"/devices/*/interfaces/eth1/state",
                     TEST_PATH"/devices/*/interfaces/*",
                     TEST_PATH"/devices/dut/interfaces/eth1/state",
                     false, true);
}

void
test_query_refresh_multi_query_exact()
{
    refreshed_query (TEST_PATH"/devices/*/interfaces/*",
                     TEST_PATH"/devices/dut/interfaces/eth1/state",
                     TEST_PATH"/devices/dut/interfaces/eth1/state",
                     true, true);
}

void
test_query_refresh_multi_query_trunk()
{
    refreshed_query (TEST_PATH"/devices/*/interfaces/*",
                     TEST_PATH"/devices/*",
                     TEST_PATH"/devices/dut/interfaces/",
                     false, true);
}

void
test_query_refresh_multi_query_root()
{
    refreshed_query (TEST_PATH"/devices/*/interfaces/*",
                     TEST_PATH"/*",
                     TEST_PATH"/devices/dut/interfaces/",
                     false, true);
}

void
test_query_refresh_multi_query_mid()
{
    refreshed_query (TEST_PATH"/devices/*/interfaces/*",
                     TEST_PATH"/devices/*/interfaces/eth1/state",
                     TEST_PATH"/devices/dut/interfaces/eth1/state",
                     false, true);
}

void
test_query_refresh_multi_query_multi()
{
    refreshed_query (TEST_PATH"/devices/*/interfaces/*",
                     TEST_PATH"/devices/*/interfaces/*",
                     TEST_PATH"/devices/dut/interfaces/",
                     false, true);
}

static uint64_t
refresh_state_callback (const char *path)
{
    apteryx_set (TEST_PATH"/devices/dut/interfaces/eth1/state", "up");
    _cb_count++;
    return _cb_timeout;
}

void
test_query_refreshed_multi_branches()
{
    const char *path = TEST_PATH"/devices/*";
    GNode *root , *node, *rroot;

    _cb_count = 0;
    _cb_timeout = 5000;
    apteryx_refresh (path, refresh_state_callback);

    root = g_node_new (g_strdup (TEST_PATH));
    node = APTERYX_NODE (root, g_strdup ("cars"));
    node = APTERYX_NODE (node, g_strdup ("*"));
    node = APTERYX_NODE (root, g_strdup ("devices"));
    node = APTERYX_NODE (node, g_strdup ("dut"));
    node = APTERYX_NODE (node, g_strdup ("interfaces"));
    node = APTERYX_NODE (node, g_strdup ("*"));
    node = APTERYX_NODE (node, g_strdup ("state"));
    rroot = apteryx_query (root);
    CU_ASSERT (rroot && g_node_n_nodes (rroot, G_TRAVERSE_LEAVES) == 1);
    apteryx_free_tree (rroot);
    apteryx_free_tree (root);
    CU_ASSERT (_cb_count == 1);

    apteryx_unrefresh (path, refresh_state_callback);
    apteryx_set (TEST_PATH"/devices/dut/interfaces/eth1/state", NULL);
    apteryx_prune (TEST_PATH);
}

void
test_query_refreshed_once()
{
    const char *path = TEST_PATH"/devices/dut/interfaces/eth1/state";
    GNode *root = NULL;
    GNode *rroot = NULL;

    _cb_count = 0;
    _cb_timeout = 5000;
    apteryx_refresh (path, refresh_state_callback);

    root = g_node_new (strdup(TEST_PATH"/devices/*"));
    CU_ASSERT ((rroot = apteryx_query (root)) != NULL);
    apteryx_free_tree (rroot);
    CU_ASSERT (_cb_count == 1);
    usleep (_cb_timeout);
    CU_ASSERT ((rroot = apteryx_query (root)) != NULL);
    apteryx_free_tree (rroot);
    CU_ASSERT (_cb_count == 2);
    apteryx_free_tree (root);

    apteryx_unrefresh (path, refresh_state_callback);
    apteryx_prune (TEST_PATH);
}

void
test_query_not_refreshed_one_path()
{
    const char *path = "/cars/suv/*";
    GNode *root;
    GNode *node;

    _cb_count = 0;
    _cb_timeout = 5000;
    apteryx_refresh (path, refresh_state_callback);

    /* Collapsed path */
    root = g_node_new (strdup("/cars/sedan/*"));
    CU_ASSERT (apteryx_query (root) == NULL);
    CU_ASSERT (_cb_count == 0);
    apteryx_free_tree (root);

    /* Expanded path */
    root = g_node_new (strdup("/"));
    node = APTERYX_NODE (root, strdup ("cars"));
    node = APTERYX_NODE (node, strdup ("sedan"));
    APTERYX_NODE (node, strdup ("*"));
    CU_ASSERT (apteryx_query (root) == NULL);
    CU_ASSERT (_cb_count == 0);
    apteryx_free_tree (root);

    apteryx_unrefresh (path, refresh_state_callback);
    apteryx_prune (TEST_PATH);
}

void
test_query_not_refreshed_two_paths()
{
    const char *path = "/cars/suv/*";
    GNode *root;
    GNode *node;

    _cb_count = 0;
    _cb_timeout = 5000;
    apteryx_refresh (path, refresh_state_callback);

    root = g_node_new (strdup("/cars"));
    node = APTERYX_NODE (root, strdup ("sedan"));
    APTERYX_NODE (node, strdup ("*"));
    node = APTERYX_NODE (root, strdup ("hatchback"));
    APTERYX_NODE (node, strdup ("*"));
    CU_ASSERT (apteryx_query (root) == NULL);
    CU_ASSERT (_cb_count == 0);
    apteryx_free_tree (root);

    apteryx_unrefresh (path, refresh_state_callback);
    apteryx_prune (TEST_PATH);
}

void
test_query_not_refreshed_different_roots()
{
    const char *path = "/cars/suv/*";
    GNode *root;

    _cb_count = 0;
    _cb_timeout = 5000;
    apteryx_refresh (path, refresh_state_callback);

    root = g_node_new (strdup("/"));
    apteryx_path_to_node (root, "/cars/sedan/*", NULL);
    apteryx_path_to_node (root, "/houses/*", NULL);
    CU_ASSERT (apteryx_query (root) == NULL);
    CU_ASSERT (_cb_count == 0);
    apteryx_free_tree (root);

    apteryx_unrefresh (path, refresh_state_callback);
    apteryx_prune (TEST_PATH);
}

void
test_query_not_refreshed_mid_wildcard()
{
    const char *path = TEST_PATH"/devices/dut/interfaces/eth1/state";
    GNode *root = NULL;

    _cb_count = 0;
    _cb_timeout = 5000;
    apteryx_refresh (path, refresh_state_callback);

    root = g_node_new (strdup(TEST_PATH"/devices/*/interfaces/eth2/state"));
    CU_ASSERT (apteryx_query (root) == NULL);
    CU_ASSERT (_cb_count == 0);
    apteryx_free_tree (root);

    apteryx_unrefresh (path, refresh_state_callback);
    apteryx_set (TEST_PATH"/devices/dut/interfaces/eth1/state", NULL);
    apteryx_prune (TEST_PATH);
}


void
test_query_full_one_match ()
{
    GNode *root = NULL;
    GNode *rroot = NULL;
    GNode *iroot = NULL;

    root = APTERYX_NODE (NULL, TEST_PATH"/routing/ipv4/rib/1");
    APTERYX_LEAF (root, "proto", "static");
    APTERYX_LEAF (root, "ifname", "eth0");
    APTERYX_LEAF (root, "prefix", "10.0.0.0/8");
    CU_ASSERT (apteryx_set_tree (root));
    g_node_destroy (root);

    root = APTERYX_NODE (NULL, TEST_PATH"/routing/ipv4/rib/2");
    APTERYX_LEAF (root, "proto", "static");
    APTERYX_LEAF (root, "ifname", "eth1");
    APTERYX_LEAF (root, "prefix", "172.16.0.0/16");
    CU_ASSERT (apteryx_set_tree (root));
    g_node_destroy (root);
    root = NULL;

    root = APTERYX_NODE (NULL, TEST_PATH"/routing/ipv4/rib/3");
    APTERYX_LEAF (root, "proto", "dynamic");
    APTERYX_LEAF (root, "ifname", "eth2");
    APTERYX_LEAF (root, "prefix", "172.17.0.0/16");
    CU_ASSERT (apteryx_set_tree (root));
    g_node_destroy (root);
    root = NULL;

    root = APTERYX_NODE (NULL, TEST_PATH"/routing/ipv4/rib/4");
    APTERYX_LEAF (root, "proto", "dynamic");
    APTERYX_LEAF (root, "ifname", "eth4");
    APTERYX_LEAF (root, "prefix", "172.16.0.0/16");
    CU_ASSERT (apteryx_set_tree (root));
    g_node_destroy (root);
    root = NULL;

    root = g_node_new (strdup ("/"));
    iroot = apteryx_path_to_node (root, TEST_PATH"/routing/ipv4/rib/*/ifname", "eth0");
    rroot = apteryx_query_full (root);

    CU_ASSERT (rroot && g_node_n_nodes (rroot, G_TRAVERSE_LEAVES) == 1);
    CU_ASSERT (rroot && g_node_n_nodes (rroot, G_TRAVERSE_ALL) == 8);

    if (rroot) apteryx_free_tree (rroot);
    if (root) apteryx_free_tree (root);

    /* Query to pick up info for addresses on eth1*/
    root = g_node_new (strdup ("/"));
    iroot = apteryx_path_to_node (root, TEST_PATH"/routing/ipv4/rib/*", NULL);
    APTERYX_LEAF (iroot, strdup("proto"), NULL);
    APTERYX_LEAF (iroot, strdup("prefix"), NULL);
    APTERYX_LEAF (iroot, strdup("ifname"), strdup("eth1"));
    rroot = apteryx_query_full (root);

    CU_ASSERT (rroot && g_node_n_nodes (rroot, G_TRAVERSE_LEAVES) == 3);
    CU_ASSERT (rroot && g_node_n_nodes (rroot, G_TRAVERSE_ALL) == 12);

    if (rroot) apteryx_free_tree (rroot);
    if (root) apteryx_free_tree (root);

    /* Query to pick up info for all static addresses*/
    root = g_node_new (strdup ("/"));
    iroot = apteryx_path_to_node (root, TEST_PATH"/routing/ipv4/rib/*", NULL);
    APTERYX_LEAF (iroot, strdup("proto"), strdup("static"));
    APTERYX_LEAF (iroot, strdup("prefix"), NULL);
    APTERYX_LEAF (iroot, strdup("ifname"), NULL);
    rroot = apteryx_query_full (root);

    CU_ASSERT (rroot && g_node_n_nodes (rroot, G_TRAVERSE_LEAVES) == 6);
    if (root) apteryx_free_tree(root);
    if (rroot) apteryx_free_tree(rroot);

    /* Query to pick up info for all dynamic 172.16.0.0/16 addresses */
    root = g_node_new (strdup ("/"));
    iroot = apteryx_path_to_node (root, TEST_PATH"/routing/ipv4/rib/*", NULL);
    APTERYX_LEAF (iroot, strdup("proto"), strdup("dynamic"));
    APTERYX_LEAF (iroot, strdup("prefix"), strdup("172.16.0.0/16"));
    APTERYX_LEAF (iroot, strdup("ifname"), NULL);
    rroot = apteryx_query_full (root);
    CU_ASSERT (rroot && g_node_n_nodes (rroot, G_TRAVERSE_LEAVES) == 3);
    if (root) apteryx_free_tree(root);
    if (rroot) apteryx_free_tree(rroot);

    root = g_node_new (strdup ("/"));
    iroot = apteryx_path_to_node (root, TEST_PATH"/routing/ipv4/rib/*", NULL);
    APTERYX_LEAF (iroot, strdup("proto"), strdup("static"));
    APTERYX_LEAF (iroot, strdup("ifname"), strdup("eth0"));
    rroot = apteryx_query_full (root);

    CU_ASSERT (rroot && g_node_n_nodes (rroot, G_TRAVERSE_LEAVES) == 2);
    if (rroot) apteryx_free_tree (rroot);
    if (root) apteryx_free_tree (root);

    apteryx_prune (TEST_PATH);
}

void
test_query_full_two_lists()
{
    GNode *root = NULL;
    GNode *rroot = NULL;
    GNode *iroot = NULL;

    root = APTERYX_NODE (NULL, TEST_PATH"/routing/ipv4/rib/1");
    APTERYX_LEAF (root, "proto", "static");
    APTERYX_LEAF (root, "ifname", "eth0");
    APTERYX_LEAF (root, "prefix", "10.0.0.0/8");
    CU_ASSERT (apteryx_set_tree (root));
    g_node_destroy (root);

    root = APTERYX_NODE (NULL, TEST_PATH"/routing/ipv4/rib/2");
    APTERYX_LEAF (root, "proto", "static");
    APTERYX_LEAF (root, "ifname", "eth1");
    APTERYX_LEAF (root, "prefix", "172.16.0.0/16");
    CU_ASSERT (apteryx_set_tree (root));
    g_node_destroy (root);
    root = NULL;

    root = APTERYX_NODE (NULL, TEST_PATH"/routing/ipv4/rib/3");
    APTERYX_LEAF (root, "proto", "static");
    APTERYX_LEAF (root, "ifname", "eth1");
    APTERYX_LEAF (root, "prefix", "172.17.0.0/16");
    CU_ASSERT (apteryx_set_tree (root));
    g_node_destroy (root);
    root = NULL;

    root = APTERYX_NODE (NULL, TEST_PATH"/interface/interfaces/eth0");
    APTERYX_LEAF (root, "admin", "up");
    APTERYX_LEAF (root, "ifname", "eth0");
    APTERYX_LEAF (root, "link", "up");
    CU_ASSERT (apteryx_set_tree (root));
    g_node_destroy (root);
    root = NULL;

    root = APTERYX_NODE (NULL, TEST_PATH"/interface/interfaces/eth1");
    APTERYX_LEAF (root, "admin", "up");
    APTERYX_LEAF (root, "ifname", "eth1");
    APTERYX_LEAF (root, "link", "down");
    CU_ASSERT (apteryx_set_tree (root));
    g_node_destroy (root);
    root = NULL;

    root = APTERYX_NODE (NULL, TEST_PATH"/interface/interfaces/eth2");
    APTERYX_LEAF (root, "admin", "down");
    APTERYX_LEAF (root, "ifname", "eth2");
    APTERYX_LEAF (root, "link", "down");
    CU_ASSERT (apteryx_set_tree (root));
    g_node_destroy (root);
    root = NULL;

    /* Query to pick up info for eth0 from oner block*/
    root = g_node_new (strdup ("/"));
    iroot = apteryx_path_to_node (root, TEST_PATH"/interface/interfaces/*", NULL);
    APTERYX_LEAF (iroot, strdup("admin"), NULL);
    APTERYX_LEAF (iroot, strdup("link"), NULL);
    APTERYX_LEAF (iroot, strdup("ifname"), strdup("eth0"));
    rroot = apteryx_query_full (root);

    CU_ASSERT (rroot && g_node_n_nodes (rroot, G_TRAVERSE_LEAVES) == 3);
    CU_ASSERT (rroot && g_node_n_nodes (rroot, G_TRAVERSE_ALL) == 11);
    if (rroot) apteryx_free_tree (rroot);
    if (root) apteryx_free_tree (root);

    /* Query to pick up info for eth0 from either block*/
    root = g_node_new (strdup ("/"));
    iroot = apteryx_path_to_node (root, TEST_PATH"/routing/ipv4/rib/*", NULL);
    APTERYX_LEAF (iroot, strdup("proto"), NULL);
    APTERYX_LEAF (iroot, strdup("prefix"), NULL);
    APTERYX_LEAF (iroot, strdup("ifname"), strdup("eth0"));
    iroot = apteryx_path_to_node (root, TEST_PATH"/interface/interfaces/*", NULL);
    APTERYX_LEAF (iroot, strdup("admin"), NULL);
    APTERYX_LEAF (iroot, strdup("link"), NULL);
    APTERYX_LEAF (iroot, strdup("ifname"), strdup("eth0"));
    rroot = apteryx_query_full (root);

    CU_ASSERT (rroot && g_node_n_nodes (rroot, G_TRAVERSE_LEAVES) == 6);
    CU_ASSERT (rroot && g_node_n_nodes (rroot, G_TRAVERSE_ALL) == 21);
    if (rroot) apteryx_free_tree (rroot);
    if (root) apteryx_free_tree (root);

    /* Query to pick up info for eth1 and addresses on eth0*/
    root = g_node_new (strdup ("/"));
    iroot = apteryx_path_to_node (root, TEST_PATH"/routing/ipv4/rib/*", NULL);
    APTERYX_LEAF (iroot, strdup("proto"), NULL);
    APTERYX_LEAF (iroot, strdup("prefix"), NULL);
    APTERYX_LEAF (iroot, strdup("ifname"), strdup("eth0"));
    iroot = apteryx_path_to_node (root, TEST_PATH"/interface/interfaces/*", NULL);
    APTERYX_LEAF (iroot, strdup("admin"), NULL);
    APTERYX_LEAF (iroot, strdup("link"), NULL);
    APTERYX_LEAF (iroot, strdup("ifname"), strdup("eth1"));
    rroot = apteryx_query_full (root);

    CU_ASSERT (rroot && g_node_n_nodes (rroot, G_TRAVERSE_LEAVES) == 6);
    CU_ASSERT (rroot && g_node_n_nodes (rroot, G_TRAVERSE_ALL) == 21);

    if (rroot) apteryx_free_tree (rroot);
    if (root) apteryx_free_tree (root);

    /* Query to pick up info for eth1 and addresses on eth0*/
    root = g_node_new (strdup ("/"));
    iroot = apteryx_path_to_node (root, TEST_PATH"/routing/ipv4/rib/*", NULL);
    APTERYX_LEAF (iroot, strdup("proto"), NULL);
    APTERYX_LEAF (iroot, strdup("prefix"), NULL);
    APTERYX_LEAF (iroot, strdup("ifname"), strdup("eth1"));
    iroot = apteryx_path_to_node (root, TEST_PATH"/interface/interfaces/*", NULL);
    APTERYX_LEAF (iroot, strdup("admin"), NULL);
    APTERYX_LEAF (iroot, strdup("link"), NULL);
    APTERYX_LEAF (iroot, strdup("ifname"), strdup("eth0"));
    rroot = apteryx_query_full (root);

    CU_ASSERT (rroot && g_node_n_nodes (rroot, G_TRAVERSE_LEAVES) == 9);
    CU_ASSERT (rroot && g_node_n_nodes (rroot, G_TRAVERSE_ALL) == 28);
    if (root) apteryx_free_tree(root);
    if (rroot) apteryx_free_tree(rroot);

    /* Get all admin up interfaces */
    root = g_node_new (strdup ("/"));
    iroot = apteryx_path_to_node (root, TEST_PATH"/interface/interfaces/*", NULL);
    APTERYX_LEAF (iroot, strdup("admin"), strdup("up"));
    APTERYX_LEAF (iroot, strdup("link"), NULL);
    APTERYX_LEAF (iroot, strdup("ifname"), NULL);
    rroot = apteryx_query_full (root);

    CU_ASSERT (rroot && g_node_n_nodes (rroot, G_TRAVERSE_LEAVES) == 6);
    CU_ASSERT (rroot && g_node_n_nodes (rroot, G_TRAVERSE_ALL) == 18);
    if (root) apteryx_free_tree(root);
    if (rroot) apteryx_free_tree(rroot);

    /* Get all link up interfaces */
    root = g_node_new (strdup ("/"));
    iroot = apteryx_path_to_node (root, TEST_PATH"/interface/interfaces/*", NULL);
    APTERYX_LEAF (iroot, strdup("admin"), NULL);
    APTERYX_LEAF (iroot, strdup("link"), strdup("up"));
    APTERYX_LEAF (iroot, strdup("ifname"), NULL);
    rroot = apteryx_query_full (root);

    CU_ASSERT (rroot && g_node_n_nodes (rroot, G_TRAVERSE_LEAVES) == 3);
    if (rroot) apteryx_free_tree (rroot);
    if (root) apteryx_free_tree (root);

    apteryx_prune (TEST_PATH);
}

static int query_provide_counts = 0;
static char *
test_query_provide_awake(const char *path)
{
    query_provide_counts++;
    return strdup("awake");
}

static char *
test_query_provide_asleep(const char *path)
{
    query_provide_counts++;
    return strdup("asleep");
}

void
pet_setup(void)
{
    GNode *root, *iroot, *troot;

    root = APTERYX_NODE(NULL, TEST_PATH"/animal");
    iroot = APTERYX_NODE(root, "smokey");
    APTERYX_LEAF(iroot, "name", "smokey");
    APTERYX_LEAF(iroot, "type", "cat");
    troot = APTERYX_NODE(iroot, "toys");
    iroot = APTERYX_NODE(troot, "flat");
    APTERYX_LEAF(iroot, "name", "flat");
    APTERYX_LEAF(iroot, "type", "ball");
    iroot = APTERYX_NODE(iroot, "material");
    APTERYX_LEAF(iroot, "leather", "leather");
    iroot = APTERYX_NODE(troot, "stripy");
    APTERYX_LEAF(iroot, "name", "stripy");
    APTERYX_LEAF(iroot, "type", "ball");
    iroot = APTERYX_NODE(iroot, "material");
    APTERYX_LEAF(iroot, "rubber", "rubber");
    iroot = APTERYX_NODE(troot, "mousey");
    APTERYX_LEAF(iroot, "name", "mousey");
    APTERYX_LEAF(iroot, "type", "mouse");
    iroot = APTERYX_NODE(iroot, "material");
    APTERYX_LEAF(iroot, "cloth", "cloth");
    APTERYX_LEAF(iroot, "button", "button");

    iroot = APTERYX_NODE(root, "mist");
    APTERYX_LEAF(iroot, "name", "mist");
    APTERYX_LEAF(iroot, "type", "cat");
    troot = APTERYX_NODE(iroot, "toys");
    iroot = APTERYX_NODE(troot, "bouncy");
    APTERYX_LEAF(iroot, "name", "bouncy");
    APTERYX_LEAF(iroot, "type", "ball");
    iroot = APTERYX_NODE(iroot, "material");
    APTERYX_LEAF(iroot, "rubber", "rubber");
    iroot = APTERYX_NODE(troot, "mickey");
    APTERYX_LEAF(iroot, "name", "mickey");
    APTERYX_LEAF(iroot, "type", "mouse");
    iroot = APTERYX_NODE(iroot, "material");
    APTERYX_LEAF(iroot, "cloth", "cloth");

    iroot = APTERYX_NODE(root, "saffy");
    APTERYX_LEAF(iroot, "name", "saffy");
    APTERYX_LEAF(iroot, "type", "dog");
    troot = APTERYX_NODE(iroot, "toys");
    iroot = APTERYX_NODE(troot, "bouncy");
    APTERYX_LEAF(iroot, "name", "bouncy");
    APTERYX_LEAF(iroot, "type", "ball");
    iroot = APTERYX_NODE(iroot, "material");
    APTERYX_LEAF(iroot, "rubber", "rubber");
    iroot = APTERYX_NODE(troot, "flat");
    APTERYX_LEAF(iroot, "name", "flat");
    APTERYX_LEAF(iroot, "type", "ball");
    iroot = APTERYX_NODE(iroot, "material");
    APTERYX_LEAF(iroot, "rubber", "rubber");
    APTERYX_LEAF(iroot, "rattle", "rattle");
    iroot = APTERYX_NODE(troot, "boris");
    APTERYX_LEAF(iroot, "name", "boris");
    APTERYX_LEAF(iroot, "type", "bear");
    iroot = APTERYX_NODE(iroot, "material");
    APTERYX_LEAF(iroot, "leather", "leather");
    APTERYX_LEAF(iroot, "rattle", "rattle");

    CU_ASSERT(apteryx_set_tree(root));
    g_node_destroy(root);

    CU_ASSERT(apteryx_provide(TEST_PATH"/animal/smokey/state", test_query_provide_asleep));
    CU_ASSERT(apteryx_provide(TEST_PATH"/animal/saffy/state", test_query_provide_asleep));
    CU_ASSERT(apteryx_provide(TEST_PATH"/animal/mist/state", test_query_provide_awake));
}

void
pet_teardown(void)
{
    CU_ASSERT(apteryx_prune(TEST_PATH));
    CU_ASSERT(apteryx_unprovide(TEST_PATH"/animal/smokey/state", test_query_provide_asleep));
    CU_ASSERT(apteryx_unprovide(TEST_PATH"/animal/saffy/state", test_query_provide_asleep));
    CU_ASSERT(apteryx_unprovide(TEST_PATH"/animal/mist/state", test_query_provide_awake));
}

void
test_query_cats_with_flat_toy()
{
    GNode *root, *iroot, *rroot;

    pet_setup();

    /* Get all cats with a flat toy */
    root = APTERYX_NODE(NULL, TEST_PATH"/animal");
    iroot = APTERYX_NODE(root, "*");
    APTERYX_LEAF(iroot, "name", NULL);
    APTERYX_LEAF(iroot, "type", "cat");
    iroot = APTERYX_NODE(iroot, "toys");
    iroot = APTERYX_NODE(iroot, "*");
    APTERYX_LEAF(iroot, "name", "flat");
    rroot = apteryx_query_full(root);
    CU_ASSERT (rroot && g_node_n_nodes (rroot, G_TRAVERSE_LEAVES) == 3);
    apteryx_free_tree(rroot);
    g_node_destroy(root);

    pet_teardown();
}

void
test_query_pets_with_ball()
{
    GNode *root, *iroot, *rroot;

    pet_setup();
    /* Get all pets with a ball */
    root = APTERYX_NODE(NULL, TEST_PATH"/animal");
    iroot = APTERYX_NODE(root, "*");
    APTERYX_LEAF(iroot, "name", NULL);
    iroot = APTERYX_NODE(iroot, "toys");
    iroot = APTERYX_NODE(iroot, "*");
    APTERYX_LEAF(iroot, "name", NULL);
    APTERYX_LEAF(iroot, "type", "ball");
    rroot = apteryx_query_full(root);
    CU_ASSERT (rroot && g_node_n_nodes (rroot, G_TRAVERSE_LEAVES) == 13);
    apteryx_free_tree(rroot);
    g_node_destroy(root);
    pet_teardown();
}

void
test_query_pets_with_leather_toy()
{
    GNode *root, *iroot, *rroot;

    pet_setup();
    /* Get all pets with a toy containing leather */
    root = APTERYX_NODE(NULL, TEST_PATH"/animal");
    iroot = APTERYX_NODE(root, "*");
    APTERYX_LEAF(iroot, "name", NULL);
    iroot = APTERYX_NODE(iroot, "toys");
    iroot = APTERYX_NODE(iroot, "*");
    iroot = APTERYX_NODE(iroot, "material");
    APTERYX_LEAF(iroot, "leather", "leather");
    rroot = apteryx_query_full(root);
    CU_ASSERT (rroot && g_node_n_nodes (rroot, G_TRAVERSE_LEAVES) == 4);
    apteryx_free_tree(rroot);
    g_node_destroy(root);
    pet_teardown();
}

void
test_query_all_dog_toys()
{
    GNode *root, *iroot, *rroot;

    pet_setup();
    /* Get all dog toys */
    root = APTERYX_NODE(NULL, TEST_PATH"/animal");
    iroot = APTERYX_NODE(root, "*");
    APTERYX_LEAF(iroot, "name", NULL);
    APTERYX_LEAF(iroot, "type", "dog");
    iroot = APTERYX_NODE(iroot, "toys");
    APTERYX_LEAF(iroot, "*", NULL);
    rroot = apteryx_query_full(root);
    CU_ASSERT (rroot && g_node_n_nodes (rroot, G_TRAVERSE_LEAVES) == 13);
    apteryx_free_tree(rroot);
    g_node_destroy(root);
    pet_teardown();
}

void
test_query_materials_for_smokeys_balls()
{
    GNode *root, *iroot, *rroot;

    pet_setup();
    /* Get all dog toys */
    root = APTERYX_NODE(NULL, TEST_PATH"/animal");
    iroot = APTERYX_NODE(root, "*");
    APTERYX_LEAF(iroot, "name", "smokey");
    iroot = APTERYX_NODE(iroot, "toys");
    iroot = APTERYX_NODE(iroot, "*");
    iroot = APTERYX_NODE(iroot, "material");
    APTERYX_LEAF(iroot, "*", NULL);
    rroot = apteryx_query_full(root);
    CU_ASSERT (rroot && g_node_n_nodes (rroot, G_TRAVERSE_LEAVES) == 5);
    apteryx_free_tree(rroot);
    g_node_destroy(root);
    pet_teardown();
}

void
test_query_materials_for_flat_balls()
{
    GNode *root, *iroot, *rroot;

    pet_setup();
    /* Get all dog toys */
    root = APTERYX_NODE(NULL, TEST_PATH"/animal");
    iroot = APTERYX_NODE(root, "*");
    iroot = APTERYX_NODE(iroot, "toys");
    iroot = APTERYX_NODE(iroot, "*");
    APTERYX_LEAF(iroot, "name", "flat");
    APTERYX_LEAF(iroot, "type", "ball");
    iroot = APTERYX_NODE(iroot, "material");
    iroot = APTERYX_LEAF(iroot, "*", NULL);
    rroot = apteryx_query_full(root);
    CU_ASSERT (rroot && g_node_n_nodes (rroot, G_TRAVERSE_LEAVES) == 7);
    apteryx_free_tree(rroot);
    g_node_destroy(root);
    pet_teardown();
}

void
test_query_does_a_dog_have_a_leather_ball()
{
    GNode *root, *iroot, *rroot;

    pet_setup();
    /* Get all dog toys */
    root = APTERYX_NODE(NULL, TEST_PATH"/animal");
    iroot = APTERYX_NODE(root, "*");
    APTERYX_LEAF(iroot, "type", "dog");
    iroot = APTERYX_NODE(iroot, "toys");
    iroot = APTERYX_NODE(iroot, "*");
    APTERYX_LEAF(iroot, "type", "ball");
    iroot = APTERYX_NODE(iroot, "material");
    iroot = APTERYX_LEAF(iroot, "leather", "leather");
    rroot = apteryx_query_full(root);
    CU_ASSERT (rroot == NULL);
    if (rroot)
    {
        apteryx_free_tree(rroot);
    }
    g_node_destroy(root);
    pet_teardown();
}

void
test_query_who_owns_the_flat_leather_ball()
{
    GNode *root, *iroot, *rroot;

    pet_setup();
    /* Get all dog toys */
    root = APTERYX_NODE(NULL, TEST_PATH"/animal");
    iroot = APTERYX_NODE(root, "*");
    APTERYX_LEAF(iroot, "name", NULL);
    iroot = APTERYX_NODE(iroot, "toys");
    iroot = APTERYX_NODE(iroot, "*");
    APTERYX_LEAF(iroot, "type", "ball");
    APTERYX_LEAF(iroot, "name", "flat");
    iroot = APTERYX_NODE(iroot, "material");
    iroot = APTERYX_LEAF(iroot, "leather", "leather");
    rroot = apteryx_query_full(root);
    CU_ASSERT (rroot && g_node_n_nodes (rroot, G_TRAVERSE_LEAVES) == 4);
    if (rroot)
    {
        apteryx_free_tree(rroot);
    }
    g_node_destroy(root);
    pet_teardown();
}

void
test_query_all_ball_materials()
{
    GNode *root, *iroot, *rroot;

    pet_setup();
    /* Get all dog toys */
    root = APTERYX_NODE(NULL, TEST_PATH"/animal");
    iroot = APTERYX_NODE(root, "*");
    iroot = APTERYX_NODE(iroot, "toys");
    iroot = APTERYX_NODE(iroot, "*");
    APTERYX_LEAF(iroot, "type", "ball");
    iroot = APTERYX_NODE(iroot, "material");
    APTERYX_LEAF(iroot, "*", NULL);
    rroot = apteryx_query_full(root);
    CU_ASSERT (rroot && g_node_n_nodes (rroot, G_TRAVERSE_LEAVES) == 11);
    if (rroot)
    {
        apteryx_free_tree(rroot);
    }
    g_node_destroy(root);
    pet_teardown();
}


void
test_query_animals_with_a_leather_ball()
{
    GNode *root, *iroot, *rroot, *troot;

    pet_setup();
    /* Get animals with a ball AND a leather toy (may be same toy) */
    root = APTERYX_NODE(NULL, TEST_PATH"/animal");
    iroot = APTERYX_NODE(root, "*");
    APTERYX_LEAF(iroot, "name", NULL);
    troot = APTERYX_NODE(iroot, "toys");
    iroot = APTERYX_NODE(troot, "*");
    APTERYX_LEAF(iroot, "type", "ball");
    iroot = APTERYX_NODE(iroot, "material");
    APTERYX_LEAF(iroot, "leather", "leather");

    rroot = apteryx_query_full(root);
    /* Only 1 pet has a leather ball */
    CU_ASSERT (rroot && g_node_n_children (rroot) == 1);
    CU_ASSERT (rroot && g_node_n_nodes (rroot, G_TRAVERSE_LEAVES) == 3);
    if (rroot)
    {
        apteryx_free_tree(rroot);
    }
    g_node_destroy(root);
    pet_teardown();
}

void
test_query_animals_with_a_ball_and_a_leather_toy()
{
    GNode *root, *iroot, *rroot, *troot;

    pet_setup();
    /* Get animals with a ball AND a leather toy (may be same toy) */
    root = APTERYX_NODE(NULL, TEST_PATH"/animal");
    iroot = APTERYX_NODE(root, "*");
    APTERYX_LEAF(iroot, "name", NULL);
    troot = APTERYX_NODE(iroot, "toys");
    iroot = APTERYX_NODE(troot, "*");
    APTERYX_LEAF(iroot, "type", "ball");
    iroot = APTERYX_NODE(troot, "*");
    iroot = APTERYX_NODE(iroot, "material");
    APTERYX_LEAF(iroot, "leather", "leather");

    rroot = apteryx_query_full(root);
    /* 2 pets have a leather toy and a ball */
    CU_ASSERT (rroot && g_node_n_children (rroot) == 2);
    CU_ASSERT (rroot && g_node_n_nodes (rroot, G_TRAVERSE_LEAVES) == 8);
    if (rroot)
    {
        apteryx_free_tree(rroot);
    }
    g_node_destroy(root);
    pet_teardown();
}

void
test_query_filter_on_provided()
{
    GNode *root, *iroot, *rroot;

    pet_setup();
    /* Get toys details for pets who are asleep */
    root = APTERYX_NODE(NULL, TEST_PATH"/animal");
    iroot = APTERYX_NODE(root, "*");
    APTERYX_LEAF(iroot, "state", "asleep");
    APTERYX_LEAF(iroot, "name", NULL);
    iroot = APTERYX_NODE(iroot, "toys");
    iroot = APTERYX_NODE(iroot, "*");
    APTERYX_LEAF(iroot, "name", NULL);
    APTERYX_LEAF(iroot, "type", NULL);

    query_provide_counts = 0;
    rroot = apteryx_query_full(root);
    CU_ASSERT (rroot && g_node_n_nodes (rroot, G_TRAVERSE_LEAVES) == 16);
    CU_ASSERT (query_provide_counts <= 3);
    if (rroot)
    {
        apteryx_free_tree(rroot);
    }
    g_node_destroy(root);
    pet_teardown();
}

void
test_query_filter_selects_provided()
{
    GNode *root, *iroot, *rroot;

    pet_setup();
    /* Get status for pets who have a bear */
    root = APTERYX_NODE(NULL, TEST_PATH"/animal");
    iroot = APTERYX_NODE(root, "*");
    APTERYX_LEAF(iroot, "state", NULL);
    iroot = APTERYX_NODE(iroot, "toys");
    iroot = APTERYX_NODE(iroot, "*");
    APTERYX_LEAF(iroot, "name", NULL);
    APTERYX_LEAF(iroot, "type", "bear");

    query_provide_counts = 0;
    rroot = apteryx_query_full(root);
    CU_ASSERT (rroot && g_node_n_nodes (rroot, G_TRAVERSE_LEAVES) == 3);
    CU_ASSERT (query_provide_counts == 1);
    if (rroot)
    {
        apteryx_free_tree(rroot);
    }
    g_node_destroy(root);
    pet_teardown();
}

void
test_query_filter_avoids_provided()
{
    GNode *root, *iroot, *rroot;

    pet_setup();
    /* Get all dog toys (no need to call providers) */
    root = APTERYX_NODE(NULL, TEST_PATH"/animal");
    iroot = APTERYX_NODE(root, "*");
    iroot = APTERYX_NODE(iroot, "toys");
    iroot = APTERYX_NODE(iroot, "*");
    APTERYX_LEAF(iroot, "type", "ball");
    iroot = APTERYX_NODE(iroot, "material");
    APTERYX_LEAF(iroot, "*", NULL);
    query_provide_counts = 0;
    rroot = apteryx_query_full(root);
    CU_ASSERT (rroot && g_node_n_nodes (rroot, G_TRAVERSE_LEAVES) == 11);
    CU_ASSERT (query_provide_counts == 0);
    if (rroot)
    {
        apteryx_free_tree(rroot);
    }
    g_node_destroy(root);
    pet_teardown();
}


static uint64_t
test_query_full_refresh_cb(const char *path)
{
    apteryx_set (TEST_PATH"/system/ram/size", "1024");
    apteryx_set (TEST_PATH"/system/ram/free", "100");
    return 1000000;
}

char *
test_query_full_provide_cb(const char *path)
{
    return strdup("1024");
}

void
test_query_full_refreshed_provided()
{
    const char *path = TEST_PATH"/system";
    GNode *root = NULL;
    GNode *rroot = NULL;
    GNode *iroot = NULL;

    CU_ASSERT (apteryx_provide (TEST_PATH"/system/flash/size", test_query_full_provide_cb));
    CU_ASSERT (apteryx_provide (TEST_PATH"/system/flash/free", test_query_full_provide_cb));
    CU_ASSERT (apteryx_refresh (TEST_PATH"/system/ram/*", test_query_full_refresh_cb));

    /* Direct query of value on the tree (no value) */
    root = g_node_new (strdup ("/"));
    iroot = apteryx_path_to_node (root, path, NULL);
    APTERYX_NODE(iroot, NULL);
    rroot = apteryx_query_full (root);
    CU_ASSERT (!rroot);
    apteryx_free_tree (rroot);
    apteryx_free_tree (root);

    /* Full depth query of tree */
    root = g_node_new (strdup ("/"));
    iroot = apteryx_path_to_node (root, TEST_PATH"/system/*", NULL);
    APTERYX_NODE(iroot, NULL);
    rroot = apteryx_query_full (root);
    CU_ASSERT (rroot && g_node_n_nodes (rroot, G_TRAVERSE_LEAVES) == 4);
    CU_ASSERT (rroot && g_node_max_height (rroot) == 6);
    apteryx_free_tree (rroot);
    apteryx_free_tree (root);

    /* Directory level query of provided + refreshed value */
    root = g_node_new (strdup ("/"));
    iroot = apteryx_path_to_node (root, TEST_PATH"/system/ram/", NULL);
    APTERYX_NODE(iroot, NULL);
    iroot = apteryx_path_to_node (root, TEST_PATH"/system/flash/", NULL);
    APTERYX_NODE(iroot, NULL);
    rroot = apteryx_query_full (root);
    CU_ASSERT (rroot && g_node_n_nodes (rroot, G_TRAVERSE_LEAVES) == 4);
    CU_ASSERT (rroot && g_node_max_height (rroot) == 6);
    apteryx_free_tree (rroot);
    apteryx_free_tree (root);

    /* Get all the "size" values */
    root = g_node_new (strdup ("/"));
    iroot = apteryx_path_to_node (root, TEST_PATH"/system/*/size", NULL);
    APTERYX_NODE(iroot, NULL);
    rroot = apteryx_query_full (root);
    CU_ASSERT (rroot && g_node_n_nodes (rroot, G_TRAVERSE_LEAVES) == 2);
    CU_ASSERT (rroot && g_node_max_height (rroot) == 6);
    apteryx_free_tree (rroot);
    apteryx_free_tree (root);

    /* Get size and free when free == 100 */
    root = g_node_new (strdup ("/"));
    iroot = apteryx_path_to_node (root, TEST_PATH"/system/*/size", NULL);
    APTERYX_NODE(iroot, NULL);
    iroot = apteryx_path_to_node (root, TEST_PATH"/system/*/free", NULL);
    APTERYX_NODE(iroot, strdup("100"));
    rroot = apteryx_query_full (root);
    CU_ASSERT (rroot && g_node_n_nodes (rroot, G_TRAVERSE_LEAVES) == 2);
    CU_ASSERT (rroot && g_node_max_height (rroot) == 6);
    apteryx_free_tree (rroot);
    apteryx_free_tree (root);

    /* Get size and free when size == 1024 (requires provider to be hit for match
     * and getting the actual value).
     */
    root = g_node_new (strdup ("/"));
    iroot = apteryx_path_to_node (root, TEST_PATH"/system/*/size", NULL);
    APTERYX_NODE(iroot, strdup("1024"));
    iroot = apteryx_path_to_node (root, TEST_PATH"/system/*/free", NULL);
    APTERYX_NODE(iroot, NULL);
    rroot = apteryx_query_full (root);
    CU_ASSERT (rroot && g_node_n_nodes (rroot, G_TRAVERSE_LEAVES) == 4);
    CU_ASSERT (rroot && g_node_max_height (rroot) == 6);
    apteryx_free_tree (rroot);
    apteryx_free_tree (root);

    CU_ASSERT (apteryx_unprovide (TEST_PATH"/system/flash/size", test_query_full_provide_cb));
    CU_ASSERT (apteryx_unprovide (TEST_PATH"/system/flash/free", test_query_full_provide_cb));
    CU_ASSERT (apteryx_unrefresh (TEST_PATH"/system/ram/*", test_query_full_refresh_cb));
    apteryx_prune (TEST_PATH);
}

static uint64_t
refresh_timeout_callback (const char *path)
{
    usleep (1.1 * RPC_TIMEOUT_US);
    return 100000;
}

void
test_query_refreshed_timeout()
{
    const char *path = TEST_PATH"/devices/dut/interfaces/eth1/state";
    GNode *root;

    _cb_count = 0;
    apteryx_refresh (path, refresh_timeout_callback);

    root = g_node_new (strdup(TEST_PATH"/devices/*"));
    CU_ASSERT (apteryx_query (root) == NULL);
    usleep (0.1 * RPC_TIMEOUT_US);
    apteryx_free_tree (root);

    root = g_node_new (strdup("/"));
    apteryx_path_to_node (root, TEST_PATH"/devices/*", NULL);
    CU_ASSERT (apteryx_query (root) == NULL);
    usleep (0.1 * RPC_TIMEOUT_US);
    apteryx_free_tree (root);

    apteryx_unrefresh (path, refresh_timeout_callback);
}

void
test_cas_tree ()
{
    const char *path = TEST_PATH"/interfaces/eth0";
    GNode* root;
    uint64_t ts;

    root = APTERYX_NODE (NULL, (char*)path);
    APTERYX_LEAF (root, "state", "up");
    APTERYX_LEAF (root, "speed", "1000");
    APTERYX_LEAF (root, "duplex", "full");

    CU_ASSERT (apteryx_cas_tree (root, 0));
    CU_ASSERT (!apteryx_cas_tree (root, 0));
    CU_ASSERT (errno == -EBUSY);
    CU_ASSERT ((ts = apteryx_timestamp (path)) != 0);
    CU_ASSERT (apteryx_cas_tree (root, ts));
    CU_ASSERT (!apteryx_cas_tree (root, ts));
    CU_ASSERT (errno == -EBUSY);

    CU_ASSERT (apteryx_prune (path));
    g_node_destroy (root);
    CU_ASSERT (assert_apteryx_empty ());
}


void
test_cas_tree_detailed ()
{
    const char *path = TEST_PATH"/team";
    GNode *root, *node;
    uint64_t ts;

    /* Do a set into an empty place in the database */
    root = APTERYX_NODE (NULL, (char*)path);
    node = APTERYX_NODE (root, "blue");
    APTERYX_LEAF (node, "first", "who");
    APTERYX_LEAF (node, "second", "i don't know");
    APTERYX_LEAF (node, "third", "why");
    CU_ASSERT (apteryx_cas_tree (root, 0));
    CU_ASSERT (!apteryx_cas_tree (root, 0));
    CU_ASSERT (errno == -EBUSY);
    CU_ASSERT ((ts = apteryx_timestamp (path)) != 0);
    g_node_destroy (root);

    /* Make sure we can set data that doesn't collide with previous */
    root = APTERYX_NODE (NULL, (char*)path);
    node = APTERYX_NODE (root, "numbers");
    APTERYX_LEAF (node, "one", "1");
    APTERYX_LEAF (node, "two", "2");
    APTERYX_LEAF (node, "three", "3");
    node = APTERYX_NODE (root, "colors");
    APTERYX_LEAF (node, "red", "pink");
    APTERYX_LEAF (node, "blue", "green");
    APTERYX_LEAF (node, "black", "white");
    CU_ASSERT (apteryx_cas_tree (root, 0));
    CU_ASSERT (!apteryx_cas_tree (root, 0));
    CU_ASSERT (errno == -EBUSY);
    g_node_destroy (root);

    /* Make sure that, in the case of a collision, none of the data
     * is set.
     */
    root = APTERYX_NODE (NULL, (char*)path);
    node = APTERYX_NODE (root, "animals");
    APTERYX_LEAF (node, "pig", "piglet");
    APTERYX_LEAF (node, "duck", "duckling");
    APTERYX_LEAF (node, "cow", "veal");
    node = APTERYX_NODE (root, "colors");
    APTERYX_LEAF (node, "red", "pink");
    APTERYX_LEAF (node, "blue", "green");
    APTERYX_LEAF (node, "black", "white");
    CU_ASSERT (!apteryx_cas_tree (root, 0));
    CU_ASSERT (errno == -EBUSY);
    g_node_destroy (root);

    char *value = apteryx_get (TEST_PATH"/team/animals/pig");
    CU_ASSERT (value == NULL);
    if (value)
        free (value);

    CU_ASSERT (apteryx_prune (path));
    CU_ASSERT (assert_apteryx_empty ());
}

static bool atomic_tree_running = true;
static pthread_mutex_t atomic_tree_set_lock = PTHREAD_MUTEX_INITIALIZER;
static pthread_mutex_t atomic_tree_prune_lock = PTHREAD_MUTEX_INITIALIZER;
static pthread_cond_t atomic_tree_set_cond = PTHREAD_COND_INITIALIZER;
static pthread_cond_t atomic_tree_prune_cond = PTHREAD_COND_INITIALIZER;
static GNode *atomic_tree_root = NULL;

static int
tree_atomic_set (void *data)
{
    while (atomic_tree_running)
    {
        pthread_cond_wait (&atomic_tree_set_cond, &atomic_tree_set_lock);
        //printf ("prune ");
        CU_ASSERT (apteryx_set_tree (atomic_tree_root));
        pthread_mutex_unlock (&atomic_tree_set_lock);
    }
    return 0;
}

static int
tree_atomic_prune (void *data)
{
    uint64_t time = (int) (size_t) data;
    while (atomic_tree_running)
    {
        pthread_cond_wait (&atomic_tree_prune_cond, &atomic_tree_prune_lock);
        uint64_t wait = (time / 2) + (rand () & (time / 2));
        //printf ("wait:%zd ", wait);
        usleep (wait);
        apteryx_prune (TEST_PATH"/interfaces/eth0");
        pthread_mutex_unlock (&atomic_tree_prune_lock);
    }
    return 0;
}

void
test_tree_atomic ()
{
    uint64_t start, time = 1;
    char *name, *value;
    int count = 1000;
    uint64_t iterations;
    pthread_t prune_thread, set_thread;
    GList *paths;
    int i;

    /* Generate test tree */
    CU_ASSERT ((name = strdup (TEST_PATH"/interfaces/eth0")) != NULL);
    CU_ASSERT ((atomic_tree_root = APTERYX_NODE (NULL, name)) != NULL);
    for (i=0; i<count; i++)
    {
        name = value = NULL;
        CU_ASSERT (asprintf (&name, "%d", i));
        CU_ASSERT (asprintf (&value, "%d", i));
        APTERYX_LEAF (atomic_tree_root, name, value);
    }

    /* Calculate time to set tree */
    start = get_time_us ();
    CU_ASSERT (apteryx_set_tree (atomic_tree_root));
    time = (get_time_us () - start);
    //printf ("\nTime: %"PRIu64"us ...\n", time);
    apteryx_prune (TEST_PATH"/interfaces/eth0");
    iterations = 1000000 / time;
    if (iterations < 50)
        iterations = 50;
    if (iterations > 200)
        iterations = 200;
    //printf ("Iterations: %"PRIu64"\n", iterations);

    /* Start the set/prune threads */
    atomic_tree_running = true;
    pthread_create (&set_thread, NULL, (void *) &tree_atomic_set, (void *) (size_t) time);
    pthread_create (&prune_thread, NULL, (void *) &tree_atomic_prune, (void *) (size_t) time);
    usleep (TEST_SLEEP_TIMEOUT);

    for (i=0; i<iterations;i++)
    {
        pthread_cond_signal (&atomic_tree_prune_cond);
        pthread_cond_signal (&atomic_tree_set_cond);
        usleep (100);
        pthread_mutex_lock (&atomic_tree_prune_lock);
        pthread_mutex_lock (&atomic_tree_set_lock);
        usleep (2 * time);
        paths = apteryx_search (TEST_PATH"/interfaces/eth0/");
        CU_ASSERT (g_list_length (paths) == 0 || g_list_length (paths) == count);
        //printf("len:%d\n", g_list_length (paths));
        g_list_free_full (paths, free);
        apteryx_prune (TEST_PATH"/interfaces/eth0");
        pthread_mutex_unlock (&atomic_tree_prune_lock);
        pthread_mutex_unlock (&atomic_tree_set_lock);
    }

    atomic_tree_running = false;
    pthread_cond_signal (&atomic_tree_set_cond);
    pthread_cond_signal (&atomic_tree_prune_cond);
    pthread_join (set_thread, NULL);
    pthread_join (prune_thread, NULL);
    usleep (TEST_SLEEP_TIMEOUT);
    apteryx_prune (TEST_PATH"/interfaces/eth0");
    apteryx_free_tree (atomic_tree_root);
    CU_ASSERT (assert_apteryx_empty ());
}

static GNode *watch_tree_root = NULL;
static bool
test_watch_tree_callback (GNode *root)
{
    if (watch_tree_root)
        apteryx_free_tree (watch_tree_root);
    watch_tree_root = root;
    _cb_count++;
    return true;
}

void
_watch_tree_cleanup ()
{
    _cb_count = 0;
    if (watch_tree_root)
        apteryx_free_tree (watch_tree_root);
    watch_tree_root = NULL;
    CU_ASSERT (assert_apteryx_empty ());
}

void
test_set_tree_long_end_nodes ()
{
    GNode *root = APTERYX_NODE (NULL, g_strdup (TEST_PATH));
    APTERYX_LEAF (root, g_strdup ("multiple/keys/in/path"), g_strdup ("please"));
    APTERYX_LEAF (root, g_strdup ("multiple/keys/other/path"), g_strdup ("crash?"));
    apteryx_watch_tree (TEST_PATH"/*", test_watch_tree_callback);
    CU_ASSERT (apteryx_set_tree (root));
    usleep (TEST_SLEEP_TIMEOUT);
    CU_ASSERT (g_node_n_nodes (watch_tree_root, G_TRAVERSE_LEAVES) == 2);
    apteryx_free_tree (root);
    apteryx_prune (TEST_PATH);
    usleep (TEST_SLEEP_TIMEOUT);

    apteryx_unwatch_tree (TEST_PATH"/*", test_watch_tree_callback);
    apteryx_prune (TEST_PATH);
    _watch_tree_cleanup ();
}

void
test_set_tree_long_intermediate_node ()
{
    GNode *root = APTERYX_NODE(NULL, g_strdup (TEST_PATH));
    GNode *node = APTERYX_NODE (root, g_strdup ("multiple/keys"));
    APTERYX_LEAF (node, g_strdup ("in/path"), g_strdup ("different"));
    APTERYX_LEAF (node, g_strdup ("other/path"), g_strdup ("test"));
    APTERYX_LEAF (node, g_strdup ("more/values"), g_strdup ("check"));
    apteryx_watch_tree (TEST_PATH"/*", test_watch_tree_callback);
    CU_ASSERT (apteryx_set_tree (root));
    apteryx_free_tree (root);
    usleep (TEST_SLEEP_TIMEOUT);
    CU_ASSERT (g_node_n_nodes (watch_tree_root, G_TRAVERSE_LEAVES) == 3);

    apteryx_unwatch_tree (TEST_PATH"/*", test_watch_tree_callback);
    apteryx_prune (TEST_PATH);
    _watch_tree_cleanup ();
}

void
test_set_tree_order ()
{
    GNode *root = APTERYX_NODE(NULL, g_strdup (TEST_PATH));

    CU_ASSERT (apteryx_watch_tree (TEST_PATH"/feature/settings/*", test_watch_tree_callback));
    apteryx_path_to_node (root, TEST_PATH"/feature/settings/value", "10");
    apteryx_set_tree (root);
    CU_ASSERT (apteryx_get_int (TEST_PATH"/feature/settings", "value") == 10);
    usleep (TEST_SLEEP_TIMEOUT);
    CU_ASSERT (watch_tree_root != NULL);
    CU_ASSERT (g_node_n_nodes (watch_tree_root, G_TRAVERSE_LEAVES) == 1);
    CU_ASSERT (_cb_count == 1);
    _cb_count = 0;

    apteryx_path_to_node (root, TEST_PATH"/feature/settings/value", "20");
    apteryx_set_tree (root);
    CU_ASSERT (apteryx_get_int (TEST_PATH"/feature/settings", "value") == 20);
    usleep (TEST_SLEEP_TIMEOUT);
    CU_ASSERT (watch_tree_root != NULL);
    CU_ASSERT (g_node_n_nodes (watch_tree_root, G_TRAVERSE_LEAVES) == 1);
    CU_ASSERT (_cb_count == 1);
    _cb_count = 0;

    APTERYX_LEAF_INT (root, "feature/settings/value", 30);
    apteryx_set_tree (root);
    CU_ASSERT (apteryx_get_int (TEST_PATH"/feature/settings", "value") == 30);
    usleep (TEST_SLEEP_TIMEOUT);
    CU_ASSERT (watch_tree_root != NULL);
    CU_ASSERT (g_node_n_nodes (watch_tree_root, G_TRAVERSE_LEAVES) == 1);
    CU_ASSERT (_cb_count == 1);
    _cb_count = 0;

    GNode *node = APTERYX_NODE(root, g_strdup("feature/settings"));
    APTERYX_LEAF(node, g_strdup("value"), g_strdup("100"));
    apteryx_set_tree (root);
    CU_ASSERT (apteryx_get_int (TEST_PATH"/feature/settings", "value") == 100);
    usleep (TEST_SLEEP_TIMEOUT);
    CU_ASSERT (watch_tree_root != NULL);
    CU_ASSERT (g_node_n_nodes (watch_tree_root, G_TRAVERSE_LEAVES) == 1);
    CU_ASSERT (_cb_count == 1);
    _cb_count = 0;

    apteryx_free_tree (root);
    apteryx_prune (TEST_PATH);


    apteryx_unwatch_tree (TEST_PATH"/*", test_watch_tree_callback);
    apteryx_prune (TEST_PATH);
    _watch_tree_cleanup ();
}

void
test_watch_tree ()
{
    const char *path = TEST_PATH"/entity/zones/private/state";
    GNode* node;

    CU_ASSERT (apteryx_set_string (path, NULL, "up"));
    CU_ASSERT (apteryx_watch_tree (path, test_watch_tree_callback));
    CU_ASSERT (apteryx_set_string (path, NULL, "down"));
    usleep (TEST_SLEEP_TIMEOUT);
    CU_ASSERT (watch_tree_root != NULL);
    CU_ASSERT (_cb_count == 1);
    CU_ASSERT (strcmp(APTERYX_NAME(watch_tree_root), ""));
    CU_ASSERT (g_node_n_nodes (watch_tree_root, G_TRAVERSE_NON_LEAVES) == 6);
    CU_ASSERT (g_node_n_nodes (watch_tree_root, G_TRAVERSE_LEAVES) == 1);
    CU_ASSERT ((node = apteryx_path_node (watch_tree_root, path)) != NULL);
    CU_ASSERT (node && strcmp (APTERYX_VALUE (node), "down") == 0);
    CU_ASSERT (apteryx_unwatch_tree (path, test_watch_tree_callback));
    apteryx_set_string (path, NULL, NULL);
    _watch_tree_cleanup ();
}

void
test_watch_tree_wildcard ()
{
    const char *path = TEST_PATH"/interfaces/*";
    GNode* node;

    CU_ASSERT (apteryx_watch_tree (path, test_watch_tree_callback));
    node = APTERYX_NODE (NULL, TEST_PATH"/interfaces/eth0");
    APTERYX_LEAF (node, "state", "up");
    APTERYX_LEAF (node, "speed", "1000");
    APTERYX_LEAF (node, "duplex", "full");
    CU_ASSERT (apteryx_set_tree (node));
    g_node_destroy (node);
    usleep (TEST_SLEEP_TIMEOUT);
    CU_ASSERT (watch_tree_root != NULL);
    CU_ASSERT (_cb_count == 1);
    CU_ASSERT (g_node_n_nodes (watch_tree_root, G_TRAVERSE_NON_LEAVES) == 7);
    CU_ASSERT (g_node_n_nodes (watch_tree_root, G_TRAVERSE_LEAVES) == 3);
    CU_ASSERT ((node = apteryx_path_node (watch_tree_root, TEST_PATH"/interfaces/eth0")) != NULL);
    CU_ASSERT (strcmp (APTERYX_CHILD_VALUE (node, "state") ?: "", "up") == 0);
    CU_ASSERT (strcmp (APTERYX_CHILD_VALUE (node, "speed") ?: "", "1000") == 0);
    CU_ASSERT (strcmp (APTERYX_CHILD_VALUE (node, "duplex") ?: "", "full") == 0);
    CU_ASSERT (apteryx_unwatch_tree (path, test_watch_tree_callback));
    CU_ASSERT (apteryx_prune (TEST_PATH"/interfaces/eth0"));
    _watch_tree_cleanup ();
}

void
test_watch_tree_no_match ()
{
    const char *path1 = TEST_PATH"/entity/zones/private/state";
    const char *path2 = TEST_PATH"/entity/zones/private/active";

    CU_ASSERT (apteryx_set_string (path1, NULL, "up"));
    usleep (TEST_SLEEP_TIMEOUT);
    CU_ASSERT (apteryx_watch_tree (path1, test_watch_tree_callback));
    CU_ASSERT (apteryx_set_string (path2, NULL, "true"));
    CU_ASSERT (watch_tree_root == NULL);
    CU_ASSERT (_cb_count == 0);
    CU_ASSERT (apteryx_unwatch_tree (path1, test_watch_tree_callback));
    CU_ASSERT (apteryx_set_string (path1, NULL, NULL));
    CU_ASSERT (apteryx_set_string (path2, NULL, NULL));
    _watch_tree_cleanup ();
}

void
test_watch_tree_remove ()
{
    const char *path = TEST_PATH"/entity/zones/private/state";

    CU_ASSERT (apteryx_set_string (path, NULL, "up"));
    usleep (TEST_SLEEP_TIMEOUT);
    CU_ASSERT (apteryx_watch_tree (path, test_watch_tree_callback));
    CU_ASSERT (apteryx_unwatch_tree (path, test_watch_tree_callback));
    usleep (TEST_SLEEP_TIMEOUT);
    CU_ASSERT (apteryx_set_string (path, NULL, "down"));
    CU_ASSERT (watch_tree_root == NULL);
    CU_ASSERT (_cb_count == 0);
    CU_ASSERT (apteryx_set_string (path, NULL, NULL));
    _watch_tree_cleanup ();
}

void
test_watch_tree_prune ()
{
    const char *path = TEST_PATH"/entity/zones/private/state";
    GNode *node;

    CU_ASSERT (apteryx_set(path, "up"));
    CU_ASSERT (apteryx_watch_tree (TEST_PATH"/entity/*", test_watch_tree_callback));
    CU_ASSERT (apteryx_prune (TEST_PATH"/entity"));
    usleep (TEST_SLEEP_TIMEOUT);
    CU_ASSERT (watch_tree_root != NULL);
    CU_ASSERT ((node = apteryx_path_node (watch_tree_root, TEST_PATH"/entity/zones/private")) != NULL);
    CU_ASSERT (g_strcmp0 (APTERYX_CHILD_VALUE (node, "state"), "") == 0);
    CU_ASSERT (_cb_count == 1);
    CU_ASSERT (apteryx_unwatch_tree (TEST_PATH"/entity/*", test_watch_tree_callback));
    _watch_tree_cleanup ();
}

void
test_watch_tree_prune_tree ()
{
    const char *path = TEST_PATH"/interfaces/eth0";
    GNode *node;

    node = APTERYX_NODE (NULL, (gpointer) path);
    APTERYX_LEAF (node, "state", "up");
    APTERYX_LEAF (node, "speed", "1000");
    APTERYX_LEAF (node, "duplex", "full");
    CU_ASSERT (apteryx_set_tree (node));
    g_node_destroy (node);
    CU_ASSERT (apteryx_watch_tree (TEST_PATH"/interfaces/eth0/", test_watch_tree_callback));
    CU_ASSERT (apteryx_prune (path));
    usleep (TEST_SLEEP_TIMEOUT);
    CU_ASSERT (_cb_count == 1);
    CU_ASSERT (watch_tree_root != NULL);
    CU_ASSERT ((node = apteryx_path_node (watch_tree_root, path)) != NULL);
    CU_ASSERT (strcmp (APTERYX_CHILD_VALUE (node, "state") ?: "x", "") == 0);
    CU_ASSERT (strcmp (APTERYX_CHILD_VALUE (node, "speed") ?: "x", "") == 0);
    CU_ASSERT (strcmp (APTERYX_CHILD_VALUE (node, "duplex") ?: "x", "") == 0);
    CU_ASSERT (apteryx_unwatch_tree (TEST_PATH"/interfaces/eth0/", test_watch_tree_callback));
    _watch_tree_cleanup ();
}

void
test_watch_tree_one_level ()
{
    const char *path = TEST_PATH"/entity/zones/private/state";
    GNode *node;

    CU_ASSERT (apteryx_set_string (path, NULL, "up"));
    CU_ASSERT (apteryx_watch_tree (TEST_PATH"/entity/zones/private/", test_watch_tree_callback));
    CU_ASSERT (apteryx_set_string (path, NULL, "down"));
    usleep (TEST_SLEEP_TIMEOUT);
    CU_ASSERT (_cb_count == 1);
    CU_ASSERT ((node = apteryx_path_node (watch_tree_root, path)) != NULL);
    CU_ASSERT (node && strcmp (APTERYX_VALUE (node) ?: "", "down") == 0);
    CU_ASSERT (apteryx_unwatch_tree (TEST_PATH"/entity/zones/private/", test_watch_tree_callback));
    CU_ASSERT (apteryx_set_string (path, NULL, NULL));
    _watch_tree_cleanup ();
}

void
test_watch_tree_one_level_multi ()
{
    const char *path = TEST_PATH"/interfaces/eth0";
    GNode *node;

    CU_ASSERT (apteryx_watch_tree (TEST_PATH"/interfaces/eth0/", test_watch_tree_callback));
    node = APTERYX_NODE (NULL, (gpointer) path);
    APTERYX_LEAF (node, "state", "up");
    APTERYX_LEAF (node, "speed", "1000");
    APTERYX_LEAF (node, "duplex", "full");
    CU_ASSERT (apteryx_set_tree (node));
    g_node_destroy (node);
    usleep (TEST_SLEEP_TIMEOUT);
    CU_ASSERT (_cb_count == 1);
    CU_ASSERT ((node = apteryx_path_node (watch_tree_root, path)) != NULL);
    CU_ASSERT (strcmp (APTERYX_CHILD_VALUE (node, "state") ?: "", "up") == 0);
    CU_ASSERT (strcmp (APTERYX_CHILD_VALUE (node, "speed") ?: "", "1000") == 0);
    CU_ASSERT (strcmp (APTERYX_CHILD_VALUE (node, "duplex") ?: "", "full") == 0);
    CU_ASSERT (apteryx_unwatch_tree (TEST_PATH"/interfaces/eth0/", test_watch_tree_callback));
    CU_ASSERT (apteryx_prune (path));
    _watch_tree_cleanup ();
}

void
test_watch_tree_one_level_miss ()
{
    _path = _value = NULL;
    const char *path = TEST_PATH"/entity/zones/private/state";

    CU_ASSERT (apteryx_set_string (path, NULL, "up"));
    CU_ASSERT (apteryx_watch_tree (TEST_PATH"/entity/zones/", test_watch_tree_callback));
    CU_ASSERT (apteryx_set_string (path, NULL, "down"));
    usleep (TEST_SLEEP_TIMEOUT);
    CU_ASSERT (watch_tree_root == NULL);
    CU_ASSERT (_cb_count == 0);
    CU_ASSERT (apteryx_unwatch_tree (TEST_PATH"/entity/zones/", test_watch_tree_callback));
    CU_ASSERT (apteryx_set_string (path, NULL, NULL));
    _watch_tree_cleanup ();
}

void
test_watch_tree_after_quiet ()
{
    const char *path = TEST_PATH"/entity/zones/private/state";
    GNode *node;

    _cb_count = 0;
    CU_ASSERT (apteryx_set_string (path, NULL, "up"));
    CU_ASSERT (apteryx_watch_tree_wait (path, test_watch_tree_callback, (TEST_SLEEP_TIMEOUT/2/1000)));
    CU_ASSERT (apteryx_set_string (path, NULL, "1"));
    CU_ASSERT (apteryx_set_string (path, NULL, "2"));
    CU_ASSERT (apteryx_set_string (path, NULL, "3"));
    CU_ASSERT (apteryx_set_string (path, NULL, "4"));
    CU_ASSERT (apteryx_set_string (path, NULL, "5"));
    usleep (TEST_SLEEP_TIMEOUT);
    CU_ASSERT (watch_tree_root != NULL);
    CU_ASSERT (_cb_count == 1);
    CU_ASSERT (g_node_n_nodes (watch_tree_root, G_TRAVERSE_NON_LEAVES) == 6);
    CU_ASSERT (g_node_n_nodes (watch_tree_root, G_TRAVERSE_LEAVES) == 1);
    CU_ASSERT ((node = apteryx_path_node (watch_tree_root, path)) != NULL);
    CU_ASSERT (node && strcmp (APTERYX_VALUE (node), "5") == 0);
    CU_ASSERT (apteryx_unwatch_tree (path, test_watch_tree_callback));
    apteryx_set_string (path, NULL, NULL);
    _watch_tree_cleanup ();
}

void
test_watch_tree_after_quiet_merged ()
{
    const char *path = TEST_PATH"/entity/zones";
    GNode *node, *child;

    _cb_count = 0;
    CU_ASSERT (apteryx_watch_tree_wait (TEST_PATH"/entity/zones/*", test_watch_tree_callback, (TEST_SLEEP_TIMEOUT/2/1000)));
    CU_ASSERT (apteryx_set_string (path, "zone1", "1"));
    CU_ASSERT (apteryx_set_string (path, "zone2", "2"));
    CU_ASSERT (apteryx_set_string (path, "zone3", "3"));
    CU_ASSERT (apteryx_set_string (path, "zone4", "4"));
    CU_ASSERT (apteryx_set_string (path, "zone5", "5"));
    CU_ASSERT (apteryx_set_string (path, "zone5", "6"));
    CU_ASSERT (apteryx_set_string (path, "zone3", NULL));
    usleep (TEST_SLEEP_TIMEOUT);
    CU_ASSERT (watch_tree_root != NULL);
    CU_ASSERT (_cb_count == 1);
    CU_ASSERT (g_node_n_nodes (watch_tree_root, G_TRAVERSE_NON_LEAVES) == 9);
    CU_ASSERT (g_node_n_nodes (watch_tree_root, G_TRAVERSE_LEAVES) == 5);
    CU_ASSERT ((node = apteryx_path_node (watch_tree_root, path)) != NULL);
    CU_ASSERT ((child = apteryx_find_child (node, "zone1")) != NULL);
    CU_ASSERT (child && strcmp (APTERYX_VALUE (child), "1") == 0);
    CU_ASSERT ((child = apteryx_find_child (node, "zone2")) != NULL);
    CU_ASSERT (child && strcmp (APTERYX_VALUE (child), "2") == 0);
    CU_ASSERT ((child = apteryx_find_child (node, "zone3")) != NULL);
    CU_ASSERT (child && strcmp (APTERYX_VALUE (child), "") == 0);
    CU_ASSERT ((child = apteryx_find_child (node, "zone4")) != NULL);
    CU_ASSERT (child && strcmp (APTERYX_VALUE (child), "4") == 0);
    CU_ASSERT ((child = apteryx_find_child (node, "zone5")) != NULL);
    CU_ASSERT (child && strcmp (APTERYX_VALUE (child), "6") == 0);
    CU_ASSERT (apteryx_unwatch_tree (TEST_PATH"/entity/zones/*", test_watch_tree_callback));
    apteryx_prune (path);
    _watch_tree_cleanup ();
}

void
test_watch_tree_masked_set_local ()
{
    const char *path = TEST_PATH"/entity/zones/private/state";

    _cb_count = 0;
    CU_ASSERT (apteryx_set_string (path, NULL, "up"));
    CU_ASSERT (apteryx_watch_tree_masked (path, test_watch_tree_callback));
    CU_ASSERT (apteryx_set_string (path, NULL, "1"));
    CU_ASSERT (watch_tree_root == NULL);
    CU_ASSERT (_cb_count == 0);
    CU_ASSERT (apteryx_unwatch_tree (path, test_watch_tree_callback));
    apteryx_set_string (path, NULL, NULL);
    _watch_tree_cleanup ();
}

void
test_watch_tree_masked_set_other ()
{
    const char *path = TEST_PATH"/entity/zones/private/state";
    GNode *node;
    int status;
    int pid;

    _cb_count = 0;
    CU_ASSERT (apteryx_set_string (path, NULL, "up"));
    apteryx_shutdown ();
    if ((pid = fork ()) == 0)
    {
        /* Child */
        apteryx_init (apteryx_debug);
        usleep (RPC_TIMEOUT_US / 2);
        CU_ASSERT (apteryx_set_string (path, NULL, "1"));
        apteryx_shutdown ();
        exit (0);
    }
    apteryx_init (apteryx_debug);
    CU_ASSERT (apteryx_watch_tree_masked (path, test_watch_tree_callback));
    usleep (RPC_TIMEOUT_US);
    CU_ASSERT (watch_tree_root != NULL);
    CU_ASSERT (_cb_count == 1);
    CU_ASSERT (g_node_n_nodes (watch_tree_root, G_TRAVERSE_NON_LEAVES) == 6);
    CU_ASSERT (g_node_n_nodes (watch_tree_root, G_TRAVERSE_LEAVES) == 1);
    CU_ASSERT ((node = apteryx_path_node (watch_tree_root, path)) != NULL);
    CU_ASSERT (node && strcmp (APTERYX_VALUE (node), "1") == 0);
    waitpid (pid, &status, 0);
    CU_ASSERT (WEXITSTATUS (status) == 0);
    CU_ASSERT (apteryx_unwatch_tree (path, test_watch_tree_callback));
    apteryx_set_string (path, NULL, NULL);
    _watch_tree_cleanup ();
}

void
test_watch_tree_masked_after_quiet ()
{
    const char *path = TEST_PATH"/entity/zones/private/state";
    GNode *node;
    int status;
    int pid;

    _cb_count = 0;
    CU_ASSERT (apteryx_set_string (path, NULL, "up"));
    apteryx_shutdown ();
    if ((pid = fork ()) == 0)
    {
        /* Child */
        apteryx_init (apteryx_debug);
        usleep (RPC_TIMEOUT_US / 2);
        CU_ASSERT (apteryx_set_string (path, NULL, "1"));
        CU_ASSERT (apteryx_set_string (path, NULL, "2"));
        CU_ASSERT (apteryx_set_string (path, NULL, "3"));
        CU_ASSERT (apteryx_set_string (path, NULL, "4"));
        CU_ASSERT (apteryx_set_string (path, NULL, "5"));
        apteryx_shutdown ();
        exit (0);
    }
    apteryx_init (apteryx_debug);
    CU_ASSERT (apteryx_watch_tree_wait_masked (path, test_watch_tree_callback, (TEST_SLEEP_TIMEOUT/2/1000)));
    usleep (RPC_TIMEOUT_US);
    CU_ASSERT (watch_tree_root != NULL);
    CU_ASSERT (_cb_count == 1);
    CU_ASSERT (g_node_n_nodes (watch_tree_root, G_TRAVERSE_NON_LEAVES) == 6);
    CU_ASSERT (g_node_n_nodes (watch_tree_root, G_TRAVERSE_LEAVES) == 1);
    CU_ASSERT ((node = apteryx_path_node (watch_tree_root, path)) != NULL);
    CU_ASSERT (node && strcmp (APTERYX_VALUE (node), "5") == 0);
    waitpid (pid, &status, 0);
    CU_ASSERT (WEXITSTATUS (status) == 0);
    CU_ASSERT (apteryx_unwatch_tree (path, test_watch_tree_callback));
    apteryx_set_string (path, NULL, NULL);
    _watch_tree_cleanup ();
}

void
test_find_one_star ()
{
    GNode* root = NULL;

    root = APTERYX_NODE (NULL, TEST_PATH"/routing/ipv4/rib/1");
    APTERYX_LEAF (root, "proto", "static");
    APTERYX_LEAF (root, "ifname", "eth0");
    APTERYX_LEAF (root, "prefix", "10.0.0.0/8");
    CU_ASSERT(apteryx_set_tree(root));
    g_node_destroy (root);

    root = APTERYX_NODE (NULL, TEST_PATH"/routing/ipv4/rib/2");
    APTERYX_LEAF (root, "proto", "static");
    APTERYX_LEAF (root, "ifname", "eth1");
    APTERYX_LEAF (root, "prefix", "172.16.0.0/16");
    CU_ASSERT(apteryx_set_tree(root));
    g_node_destroy (root);

    GList *paths = apteryx_find (TEST_PATH"/routing/ipv4/rib/*/ifname", "eth0");
    CU_ASSERT (g_list_length (paths) == 1);
    CU_ASSERT (g_strcmp0 ((char *)paths->data, TEST_PATH"/routing/ipv4/rib/1") == 0);
    g_list_free_full (paths, free);

    apteryx_prune (TEST_PATH);
}


void
test_find_two_star ()
{
    GNode* root = NULL;

    root = APTERYX_NODE (NULL, TEST_PATH"/routing/ipv4/rib/1");
    APTERYX_LEAF (root, "proto", "static");
    APTERYX_LEAF (root, "ifname", "eth0");
    APTERYX_LEAF (root, "prefix", "10.0.0.0/8");
    CU_ASSERT (apteryx_set_tree (root));
    g_node_destroy (root);

    root = APTERYX_NODE (NULL, TEST_PATH"/routing/ipv4/rib/2");
    APTERYX_LEAF (root, "proto", "static");
    APTERYX_LEAF (root, "ifname", "eth1");
    APTERYX_LEAF (root, "prefix", "172.16.0.0/16");
    CU_ASSERT (apteryx_set_tree (root));
    g_node_destroy (root);

    root = APTERYX_NODE (NULL, TEST_PATH"/routing/ipv6/rib/1");
    APTERYX_LEAF (root, "proto", "static");
    APTERYX_LEAF (root, "ifname", "eth0");
    APTERYX_LEAF (root, "prefix", "fc00:1::/64");
    CU_ASSERT (apteryx_set_tree (root));
    g_node_destroy (root);

    root = APTERYX_NODE (NULL, TEST_PATH"/routing/ipv6/rib/2");
    APTERYX_LEAF (root, "proto", "static");
    APTERYX_LEAF (root, "ifname", "eth1");
    APTERYX_LEAF (root, "prefix", "fc00:2::/64");
    CU_ASSERT (apteryx_set_tree (root));
    g_node_destroy (root);

    GList *paths = apteryx_find (TEST_PATH"/routing/*/rib/*/ifname", "eth1");
    CU_ASSERT (g_list_length (paths) == 2);
    paths = g_list_sort (paths, (GCompareFunc) strcasecmp);
    CU_ASSERT (g_strcmp0 ((char *)paths->data, TEST_PATH"/routing/ipv4/rib/2") == 0);
    CU_ASSERT (g_strcmp0 ((char *)paths->next->data, TEST_PATH"/routing/ipv6/rib/2") == 0);
    g_list_free_full (paths, free);

    apteryx_prune(TEST_PATH);
}

void
test_find_end_star ()
{
    GList *paths;

    apteryx_set (TEST_PATH"/routing/ipv4/rib/10.0.0.0_8", "10.0.0.0/8");
    apteryx_set (TEST_PATH"/routing/ipv4/rib/11.0.0.0%2F8", "11.0.0.0/8");

    paths = apteryx_find (TEST_PATH"/routing/ipv4/rib/*", "10.0.0.0/8");
    CU_ASSERT (g_list_length (paths) == 1);
    CU_ASSERT (g_strcmp0 ((char *)paths->data, TEST_PATH"/routing/ipv4/rib/10.0.0.0_8") == 0);
    g_list_free_full (paths, free);

    paths = apteryx_find (TEST_PATH"/routing/ipv4/rib/*", "11.0.0.0/8");
    CU_ASSERT (g_list_length (paths) == 1);
    CU_ASSERT (g_strcmp0 ((char *)paths->data, TEST_PATH"/routing/ipv4/rib/11.0.0.0%2F8") == 0);
    g_list_free_full (paths, free);

    apteryx_prune (TEST_PATH);
}

void
test_find_tree_one_star()
{
    GNode* root = NULL;

    root = APTERYX_NODE (NULL, TEST_PATH"/routing/ipv4/rib/1");
    APTERYX_LEAF (root, "proto", "static");
    APTERYX_LEAF (root, "ifname", "eth0");
    APTERYX_LEAF (root, "prefix", "10.0.0.0/8");
    CU_ASSERT (apteryx_set_tree (root));
    g_node_destroy (root);

    root = APTERYX_NODE (NULL, TEST_PATH"/routing/ipv4/rib/2");
    APTERYX_LEAF (root, "proto", "static");
    APTERYX_LEAF (root, "ifname", "eth1");
    APTERYX_LEAF (root, "prefix", "172.16.0.0/16");
    CU_ASSERT (apteryx_set_tree (root));
    g_node_destroy (root);

    root = APTERYX_NODE (NULL, TEST_PATH"/routing/ipv4/rib/*");
    APTERYX_LEAF (root, "proto", "static");
    APTERYX_LEAF (root, "ifname", "eth1");

    GList *paths = apteryx_find_tree (root);
    CU_ASSERT (g_list_length (paths) == 1);
    g_list_free_full (paths, free);
    g_node_destroy (root);

    apteryx_prune (TEST_PATH);
}

void
test_find_empty ()
{
    GNode* root = APTERYX_NODE (NULL, "/");
    CU_ASSERT (apteryx_find_tree (root) == NULL);
    g_node_destroy (root);
}

void
test_find_tree_two_star()
{
    GNode* root = NULL;

    root = APTERYX_NODE (NULL, TEST_PATH"/routing/ipv4/rib/1");
    APTERYX_LEAF (root, "proto", "static");
    APTERYX_LEAF (root, "ifname", "eth0");
    APTERYX_LEAF (root, "prefix", "10.0.0.0/8");
    CU_ASSERT (apteryx_set_tree (root));
    g_node_destroy (root);

    root = APTERYX_NODE (NULL, TEST_PATH"/routing/ipv4/rib/2");
    APTERYX_LEAF (root, "proto", "static");
    APTERYX_LEAF (root, "ifname", "eth1");
    APTERYX_LEAF (root, "prefix", "172.16.0.0/16");
    CU_ASSERT (apteryx_set_tree (root));
    g_node_destroy (root);

    root = APTERYX_NODE (NULL, TEST_PATH"/routing/ipv6/rib/1");
    APTERYX_LEAF (root, "proto", "static");
    APTERYX_LEAF (root, "ifname", "eth0");
    APTERYX_LEAF (root, "prefix", "fc00:1::/64");
    CU_ASSERT (apteryx_set_tree (root));
    g_node_destroy (root);

    root = APTERYX_NODE (NULL, TEST_PATH"/routing/ipv6/rib/2");
    APTERYX_LEAF (root, "proto", "static");
    APTERYX_LEAF (root, "ifname", "eth1");
    APTERYX_LEAF (root, "prefix", "fc00:2::/64");
    CU_ASSERT (apteryx_set_tree (root));
    g_node_destroy (root);

    root = APTERYX_NODE (NULL, TEST_PATH"/routing/*/rib/*");
    APTERYX_LEAF (root, "proto", "static");
    APTERYX_LEAF (root, "ifname", "eth1");

    GList *paths = apteryx_find_tree (root);
    CU_ASSERT (g_list_length (paths) == 2);
    g_list_free_full (paths, free);
    g_node_destroy (root);

    apteryx_prune (TEST_PATH);
}


void
test_find_tree_null_values()
{
    GNode* root = NULL;
    GList *paths = NULL;

    root = APTERYX_NODE (NULL, TEST_PATH"/routing/ipv4/rib/0");
    APTERYX_LEAF (root, "proto", "static");
    APTERYX_LEAF (root, "prefix", "10.0.0.0/8");
    CU_ASSERT (apteryx_set_tree (root));
    g_node_destroy (root);

    root = APTERYX_NODE (NULL, TEST_PATH"/routing/ipv4/rib/1");
    APTERYX_LEAF (root, "proto", "static");
    APTERYX_LEAF (root, "ifname", "");
    APTERYX_LEAF (root, "prefix", "10.0.0.0/8");
    CU_ASSERT (apteryx_set_tree (root));
    g_node_destroy (root);

    root = APTERYX_NODE (NULL, TEST_PATH"/routing/ipv4/rib/2");
    APTERYX_LEAF (root, "proto", "static");
    APTERYX_LEAF (root, "ifname", "eth1");
    APTERYX_LEAF (root, "prefix", "10.0.0.0/8");
    CU_ASSERT (apteryx_set_tree (root));
    g_node_destroy (root);

    root = APTERYX_NODE (NULL, TEST_PATH"/routing/ipv4/rib/3");
    APTERYX_LEAF (root, "proto", "static");
    APTERYX_LEAF (root, "ifname", "eth10");
    APTERYX_LEAF (root, "prefix", "10.0.0.0/8");
    CU_ASSERT (apteryx_set_tree (root));
    g_node_destroy (root);

    /* Find the entry with a NULL ifname */
    root = APTERYX_NODE (NULL, TEST_PATH"/routing/*/rib/*");
    APTERYX_LEAF (root, "proto", "static");
    APTERYX_LEAF (root, "ifname", "");
    paths = apteryx_find_tree (root);
    CU_ASSERT (g_list_length (paths) == 2);
    g_list_free_full (paths, free);
    g_node_destroy (root);

    /* Find the entry the eth1 entry (miss eth10) */
    root = APTERYX_NODE (NULL, TEST_PATH"/routing/*/rib/*");
    APTERYX_LEAF (root, "proto", "static");
    APTERYX_LEAF (root, "ifname", "eth1");
    paths = apteryx_find_tree (root);
    CU_ASSERT (g_list_length (paths) == 1);
    g_list_free_full (paths, free);
    g_node_destroy (root);

    /* No entries exist with bpg as proto */
    root = APTERYX_NODE (NULL, TEST_PATH"/routing/*/rib/*");
    APTERYX_LEAF (root, "proto", "bgp");
    paths = apteryx_find_tree (root);
    CU_ASSERT (g_list_length (paths) == 0);
    g_list_free_full (paths, free);
    g_node_destroy (root);

    apteryx_prune (TEST_PATH);
}

static char*
test_provide_callback_100 (const char *path)
{
    return strdup ("100");
}

static char*
test_provide_callback_1000 (const char *path)
{
    return strdup ("1000");
}

void
test_get_tree_indexed_provided ()
{
    GNode *root, *node, *child;

    CU_ASSERT (apteryx_index (TEST_PATH"/counters/", test_index_cb));
    CU_ASSERT (apteryx_provide (TEST_PATH"/counters/rx/pkts", test_provide_callback_100));
    CU_ASSERT (apteryx_provide (TEST_PATH"/counters/rx/bytes", test_provide_callback_1000));
    CU_ASSERT (apteryx_provide (TEST_PATH"/counters/tx/pkts", test_provide_callback_1000));
    CU_ASSERT (apteryx_provide (TEST_PATH"/counters/tx/bytes", test_provide_callback_100));

    root = apteryx_get_tree (TEST_PATH"/counters");
    CU_ASSERT (root && g_node_n_children (root) == 2);
    node = root ? g_node_first_child (root) : NULL;
    while (node)
    {
        if (strcmp (APTERYX_NAME (node), "rx") == 0)
        {
            CU_ASSERT (g_node_n_children (node) == 2);
            child = g_node_first_child (node);
            while (child)
            {
                if (strcmp (APTERYX_NAME (child), "pkts") == 0)
                {
                    CU_ASSERT (strcmp (APTERYX_VALUE (child), "100") == 0);
                }
                else if (strcmp (APTERYX_NAME (child), "bytes") == 0)
                {
                    CU_ASSERT (strcmp (APTERYX_VALUE (child), "1000") == 0);
                }
                else
                {
                    CU_ASSERT (child == NULL);
                }
                child = child->next;
            }
        }
        else if (strcmp (APTERYX_NAME (node), "tx") == 0)
        {
            CU_ASSERT (g_node_n_children (node) == 2);
            child = g_node_first_child (node);
            while (child)
            {
                if (strcmp (APTERYX_NAME (child), "pkts") == 0)
                {
                    CU_ASSERT (strcmp (APTERYX_VALUE (child), "1000") == 0);
                }
                else if (strcmp (APTERYX_NAME (child), "bytes") == 0)
                {
                    CU_ASSERT (strcmp (APTERYX_VALUE (child), "100") == 0);
                }
                else
                {
                    CU_ASSERT (child == NULL);
                }
                child = child->next;
            }
        }
        else
        {
            CU_ASSERT (node == NULL);
        }
        node = node->next;
    }
    apteryx_free_tree (root);

    CU_ASSERT (apteryx_unprovide (TEST_PATH"/counters/rx/pkts", test_provide_callback_100));
    CU_ASSERT (apteryx_unprovide (TEST_PATH"/counters/rx/bytes", test_provide_callback_1000));
    CU_ASSERT (apteryx_unprovide (TEST_PATH"/counters/tx/pkts", test_provide_callback_1000));
    CU_ASSERT (apteryx_unprovide (TEST_PATH"/counters/tx/bytes", test_provide_callback_100));
    CU_ASSERT (apteryx_unindex (TEST_PATH"/counters/", test_index_cb));
    CU_ASSERT (assert_apteryx_empty ());
}


static char*
test_provide_callback_counters(const char *path)
{
    if (strstr(path, "rx/pkts"))
        return strdup ("100");
    if (strstr(path, "rx/bytes"))
        return strdup ("1000");
    if (strstr(path, "tx/pkts"))
        return strdup ("1000");
    if (strstr(path, "tx/bytes"))
        return strdup ("100");
    return strdup("");
}

void
test_get_tree_indexed_provided_wildcards ()
{
    GNode *root, *node, *child;

    CU_ASSERT (apteryx_index (TEST_PATH"/counters/", test_index_cb));
    CU_ASSERT (apteryx_provide (TEST_PATH"/counters/*/pkts", test_provide_callback_counters));
    CU_ASSERT (apteryx_provide (TEST_PATH"/counters/*/bytes", test_provide_callback_counters));

    root = apteryx_get_tree (TEST_PATH"/counters");
    CU_ASSERT (root && g_node_n_children (root) == 2);
    node = root ? g_node_first_child (root) : NULL;
    while (node)
    {
        if (strcmp (APTERYX_NAME (node), "rx") == 0)
        {
            CU_ASSERT (g_node_n_children (node) == 2);
            child = g_node_first_child (node);
            while (child)
            {
                if (strcmp (APTERYX_NAME (child), "pkts") == 0)
                {
                    CU_ASSERT (strcmp (APTERYX_VALUE (child), "100") == 0);
                }
                else if (strcmp (APTERYX_NAME (child), "bytes") == 0)
                {
                    CU_ASSERT (strcmp (APTERYX_VALUE (child), "1000") == 0);
                }
                else
                {
                    CU_ASSERT (child == NULL);
                }
                child = child->next;
            }
        }
        else if (strcmp (APTERYX_NAME (node), "tx") == 0)
        {
            CU_ASSERT (g_node_n_children (node) == 2);
            child = g_node_first_child (node);
            while (child)
            {
                if (strcmp (APTERYX_NAME (child), "pkts") == 0)
                {
                    CU_ASSERT (strcmp (APTERYX_VALUE (child), "1000") == 0);
                }
                else if (strcmp (APTERYX_NAME (child), "bytes") == 0)
                {
                    CU_ASSERT (strcmp (APTERYX_VALUE (child), "100") == 0);
                }
                else
                {
                    CU_ASSERT (child == NULL);
                }
                child = child->next;
            }
        }
        else
        {
            CU_ASSERT (node == NULL);
        }
        node = node->next;
    }
    apteryx_free_tree (root);

    CU_ASSERT (apteryx_unprovide (TEST_PATH"/counters/*/pkts", test_provide_callback_counters));
    CU_ASSERT (apteryx_unprovide (TEST_PATH"/counters/*/bytes", test_provide_callback_counters));
    CU_ASSERT (apteryx_unindex (TEST_PATH"/counters/", test_index_cb));
    CU_ASSERT (assert_apteryx_empty ());
}

static GList *
test_stack_index_cb(const char *path)
{
    GList *stack_members = NULL;
    stack_members = g_list_prepend(stack_members, g_strdup_printf("%sstack1", path));
    stack_members = g_list_prepend(stack_members, g_strdup_printf("%sstack2", path));
    stack_members = g_list_prepend(stack_members, g_strdup_printf("%sstack3", path));
    stack_members = g_list_prepend(stack_members, g_strdup_printf("%sstack4", path));
    return stack_members;
}

static GList *
test_stack_interfaces_index_cb(const char *path)
{
    GList *interfaces = NULL;
    interfaces = g_list_prepend(interfaces, g_strdup_printf("%seth0", path));
    interfaces = g_list_prepend(interfaces, g_strdup_printf("%seth1", path));
    interfaces = g_list_prepend(interfaces, g_strdup_printf("%seth2", path));
    interfaces = g_list_prepend(interfaces, g_strdup_printf("%seth3", path));
    return interfaces;
}

static gchar *
test_provide_callback_stack_interface_ifname(const char *path)
{
    const char *key[] = {"eth0", "eth1", "eth2", "eth3"};
    for (int i = 0; i < 4; i++)
        if (strstr(path, key[i]))
            return strdup(key[i]);
    return NULL;
}

static gchar *
test_provide_callback_stack_interface_flags(const char *path)
{
    return strdup("0");
}

void
test_get_tree_indexed_provided_two_levels ()
{
    GNode *root;

    /* This should fill in /test/stack/ */
    CU_ASSERT (apteryx_index (TEST_PATH"/stack/", test_stack_index_cb));
    /* The above callback should get us past this star into calling indexer for
     * /test/stack/stack[1|2|3|4]/interfaces/blarg
     */
    CU_ASSERT (apteryx_index (TEST_PATH"/stack/*/interfaces/", test_stack_interfaces_index_cb));
    /* The above callback should fill in /test/stack/stack[1|2|3|4]/interfaces/eth[0|1|2|3]
     * and get us all the way down to these ifname / flags callbacks
     */
    CU_ASSERT (apteryx_provide (TEST_PATH"/stack/*/*/*/ifname", test_provide_callback_stack_interface_ifname));
    CU_ASSERT (apteryx_provide (TEST_PATH"/stack/*/*/*/flags", test_provide_callback_stack_interface_flags));

    root = apteryx_get_tree (TEST_PATH"/stack");
    CU_ASSERT (root && g_node_n_nodes (root, G_TRAVERSE_LEAFS) == 32);
    if (root)
        apteryx_free_tree (root);

    CU_ASSERT (apteryx_unindex (TEST_PATH"/stack/", test_stack_index_cb));
    CU_ASSERT (apteryx_unindex (TEST_PATH"/stack/*/interfaces/", test_stack_interfaces_index_cb));
    CU_ASSERT (apteryx_unprovide (TEST_PATH"/stack/*/*/*/ifname", test_provide_callback_stack_interface_ifname));
    CU_ASSERT (apteryx_unprovide (TEST_PATH"/stack/*/*/*/flags", test_provide_callback_stack_interface_flags));
    CU_ASSERT (assert_apteryx_empty ());
}

void
test_perf_set_tree ()
{
    const char *path = TEST_PATH"/interfaces/eth0";
    char value[32];
    GNode* root;
    uint64_t start, time;
    int count = 50;
    int i;
    bool res;

    root = APTERYX_NODE (NULL, strdup (path));
    for (i=0; i<count; i++)
    {
        sprintf (value, "value%d", i);
        APTERYX_LEAF (root, strdup (value), strdup (value));
    }
    start = get_time_us ();
    for (i = 0; i < TEST_ITERATIONS; i++)
    {
        CU_ASSERT ((res = apteryx_set_tree (root)));
        if (!res)
            goto exit;
    }
    time = ((get_time_us () - start) / TEST_ITERATIONS);
    printf ("%"PRIu64"us(%"PRIu64"us) ... ", time, time/count);
exit:
    apteryx_free_tree (root);
    CU_ASSERT (apteryx_prune (path));
    CU_ASSERT (assert_apteryx_empty ());
}

void
test_perf_set_tree_5000 ()
{
    const char *path = TEST_PATH"/interfaces/eth0";
    char value[32];
    GNode *root, *node;
    uint64_t start, time, start2, time2;
    int count = 5000;
    int i;
    bool res;

    time = time2 = 0;
    root = APTERYX_NODE (NULL, strdup (path));
    for (i=0; i<count; i++)
    {
        sprintf (value, "value%d", i);
        APTERYX_LEAF (root, strdup (value), strdup (value));
    }
    start = get_time_us ();
    CU_ASSERT ((res = apteryx_set_tree (root)));
    if (!res)
        goto exit;
    time = (get_time_us () - start);
    printf ("%"PRIu64"us(%"PRIu64"us) ... ", time, time/count);
exit:
    apteryx_free_tree (root);
    CU_ASSERT (apteryx_prune (path));

    /* Do the same test, but with an exploded root path */
    root = APTERYX_NODE (NULL, strdup (TEST_PATH));
    node = APTERYX_NODE (root, strdup ("interfaces"));
    node = APTERYX_NODE (node, strdup ("eth0"));
    for (i=0; i<count; i++)
    {
        sprintf (value, "value%d", i);
        APTERYX_LEAF (node, strdup (value), strdup (value));
    }
    start2 = get_time_us ();
    CU_ASSERT ((res = apteryx_set_tree (root)));
    if (!res)
        goto exit2;
    time2 = (get_time_us () - start2);
    printf ("%"PRIu64"us(%"PRIu64"us) ... ", time2, time2/count);

    /* These two sets really ought to be within 5% of each other,
     * but there's a lot of variablity. I'll leave both runs here
     * so we can inspect the output, but I don't want them failing.
     */
    // CU_ASSERT (abs(time - time2) / (time * 1.0) < 0.05);

exit2:
    apteryx_free_tree (root);
    CU_ASSERT (apteryx_prune (path));

    CU_ASSERT (assert_apteryx_empty ());
}


void
test_perf_set_tree_50000 ()
{
    const char *path = TEST_PATH"/interfaces/eth0";
    char value[32];
    GNode *root, *node;
    uint64_t start, time;
    int count = 50000;
    int i;
    bool res;

    root = APTERYX_NODE (NULL, strdup (TEST_PATH));
    node = APTERYX_NODE (root, strdup ("interfaces"));
    node = APTERYX_NODE (node, strdup ("eth0"));
    for (i=0; i<count; i++)
    {
        sprintf (value, "value%d", i);
        APTERYX_LEAF (node, strdup (value), strdup (value));
    }
    start = get_time_us ();
    CU_ASSERT ((res = apteryx_set_tree (root)));
    if (!res)
        goto exit;
    time = (get_time_us () - start);
    printf ("%"PRIu64"us(%"PRIu64"us) ... ", time, time/count);
exit:
    apteryx_free_tree (root);
    CU_ASSERT (apteryx_prune (path));

    CU_ASSERT (assert_apteryx_empty ());
}


void
test_perf_set_tree_50000_watched ()
{
    const char *path = TEST_PATH"/interfaces/eth0";
    char value[32];
    GNode *root, *node;
    uint64_t start, time;
    int count = 50000;
    int i;
    bool res;

    apteryx_watch (path, test_watch_callback);

    root = APTERYX_NODE (NULL, strdup (TEST_PATH));
    node = APTERYX_NODE (root, strdup ("interfaces"));
    node = APTERYX_NODE (node, strdup ("eth0"));
    for (i=0; i<count; i++)
    {
        sprintf (value, "value%d", i);
        APTERYX_LEAF (node, strdup (value), strdup (value));
    }
    start = get_time_us ();
    CU_ASSERT ((res = apteryx_set_tree (root)));
    if (!res)
        goto exit;
    time = (get_time_us () - start);
    printf ("%"PRIu64"us(%"PRIu64"us) ... ", time, time/count);
exit:
    apteryx_free_tree (root);
    CU_ASSERT (apteryx_prune (path));
    apteryx_unwatch (path, test_watch_callback);
    CU_ASSERT (assert_apteryx_empty ());
    _watch_cleanup();
}

void
test_perf_set_tree_150000_watched ()
{
    const char *path = TEST_PATH"/entities/large";
    char value[32];
    GNode *root, *node;
    uint64_t start, time;
    int count = 2000;
    int i;
    bool res;

    root = APTERYX_NODE (NULL, strdup (TEST_PATH));
    node = APTERYX_NODE (root, strdup ("entities"));
    node = APTERYX_NODE (node, strdup ("large"));
    GNode *subnets = APTERYX_NODE (node, strdup ("subnets"));
    GNode *full = APTERYX_NODE (node, strdup ("subnets-full"));
    for (i=0; i<count; i++)
    {
        sprintf (value, "value%d", i);
        APTERYX_LEAF (subnets, strdup (value), strdup (value));
        node = APTERYX_NODE (full, g_strdup(value));
        APTERYX_LEAF_INT (node, "one", 1);
        APTERYX_LEAF_INT (node, "two", 2);
        APTERYX_LEAF_INT (node, "three", 3);
        APTERYX_LEAF_INT (node, "four", 4);
    }

    start = get_time_us ();
    CU_ASSERT ((res = apteryx_set_tree (root)));
    if (!res)
        goto exit;
    time = (get_time_us () - start);
    printf ("\nSet with no watch:       %10"PRIu64"us(%"PRIu64"us) ... ", time, time/count);
    start = get_time_us ();
    CU_ASSERT ((res = apteryx_prune (path)));
    if (!res)
        goto exit;
    time = (get_time_us () - start);
    printf ("\nPrune with no watch:     %10"PRIu64"us(%"PRIu64"us) ... ", time, time/count);
    apteryx_watch (TEST_PATH"/entities/large/*", test_watch_callback);

    start = get_time_us ();
    CU_ASSERT ((res = apteryx_set_tree (root)));
    if (!res)
        goto exit;
    time = (get_time_us () - start);
    printf ("\nSet with single watch:   %10"PRIu64"us(%"PRIu64"us) ... ", time, time/count);
    start = get_time_us ();
    CU_ASSERT ((res = apteryx_prune (path)));
    if (!res)
        goto exit;
    time = (get_time_us () - start);
    printf ("\nPrune with single watch: %10"PRIu64"us(%"PRIu64"us) ... ", time, time/count);

    apteryx_unwatch (TEST_PATH"/entities/large/*", test_watch_callback);

    apteryx_watch_tree (TEST_PATH"/entities/large/*", test_watch_tree_callback);
    start = get_time_us ();
    CU_ASSERT ((res = apteryx_set_tree (root)));
    if (!res)
        goto exit;
    time = (get_time_us () - start);
    printf ("\nSet with watch tree:     %10"PRIu64"us(%"PRIu64"us) ... ", time, time/count);

    start = get_time_us ();
    CU_ASSERT ((res = apteryx_prune (path)));
    if (!res)
        goto exit;
    time = (get_time_us () - start);
    printf ("\nPrune with watch tree:   %10"PRIu64"us(%"PRIu64"us) ... ", time, time/count);

    apteryx_unwatch_tree (TEST_PATH"/entities/large/*", test_watch_tree_callback);
exit:
    CU_ASSERT (apteryx_prune (path));

    apteryx_free_tree (root);

    CU_ASSERT (assert_apteryx_empty ());
    _watch_cleanup();
}

void
test_perf_set_tree_real ()
{
    const char *path = TEST_PATH"/interfaces";
    GNode *root, *node1, *node2;
    uint64_t start, time;
    int i, j, k;
    bool res;

    root = APTERYX_NODE (NULL, strdup (path));
    for (i = 0; i < 250; i++)
    {
        node1 = APTERYX_NODE (root, g_strdup_printf ("eth%d", i));
        node1 = APTERYX_NODE (node1, g_strdup_printf ("statistics"));
        for (j = 0; j < 50; j++)
        {
            node2 = APTERYX_NODE (node1, g_strdup_printf ("statistic%d", j));
            for (k = 0; k < 4; k++)
            {
                APTERYX_LEAF (node2, g_strdup_printf ("counter%d", k), g_strdup_printf ("%d", i*j*k));
            }
        }
    }

    start = get_time_us ();
    CU_ASSERT ((res = apteryx_set_tree (root)));
    if (!res)
        goto exit;
    time = (get_time_us () - start);
    printf ("%"PRIu64"us ... ", time);
exit:
    apteryx_free_tree (root);
    CU_ASSERT (apteryx_prune (path));
    CU_ASSERT (assert_apteryx_empty ());
    _watch_cleanup();
}

void
test_perf_get_tree ()
{
    const char *path = TEST_PATH"/interfaces/eth0";
    char value[32];
    GNode* root;
    uint64_t start, time;
    int count = 50;
    int i;

    for (i=0; i<count; i++)
    {
        sprintf (value, "value%d", i);
        CU_ASSERT (apteryx_set_string (path, value, value));
    }
    start = get_time_us ();
    for (i = 0; i < (TEST_ITERATIONS/10); i++)
    {
        CU_ASSERT ((root = apteryx_get_tree (path)) != NULL);
        if (!root)
            goto exit;
        apteryx_free_tree (root);
    }
    time = ((get_time_us () - start) / (TEST_ITERATIONS/10));
    printf ("%"PRIu64"us(%"PRIu64"us) ... ", time, time/count);
exit:
    CU_ASSERT (apteryx_prune (path));
    CU_ASSERT (assert_apteryx_empty ());
}

void
test_perf_get_tree_5000 ()
{
    const char *path = TEST_PATH"/interfaces/eth0";
    char value[32];
    GNode* root;
    uint64_t start, time;
    int count = 5000;
    int i;

    for (i=0; i<count; i++)
    {
        sprintf (value, "value%d", i);
        CU_ASSERT (apteryx_set_string (path, value, value));
    }
    start = get_time_us ();
    CU_ASSERT ((root = apteryx_get_tree (path)) != NULL)
    if (!root)
        goto exit;
    time = (get_time_us () - start);
    printf ("%"PRIu64"us ... ", time);
    apteryx_free_tree (root);
exit:
    CU_ASSERT (apteryx_prune (path));
    CU_ASSERT (assert_apteryx_empty ());
}

/* This test is an attempt to reproduce the performance of a
 * moderately large tree with realistic branch layouts.
 */
void
test_perf_get_tree_real ()
{
    const char *path = TEST_PATH"/interfaces";
    GNode *root, *node1, *node2;
    uint64_t start, time;
    int i, j, k;
    bool res;

    root = APTERYX_NODE (NULL, strdup (path));
    for (i = 0; i < 250; i++)
    {
        node1 = APTERYX_NODE (root, g_strdup_printf ("eth%d", i));
        node1 = APTERYX_NODE (node1, g_strdup_printf ("statistics"));
        for (j = 0; j < 50; j++)
        {
            node2 = APTERYX_NODE (node1, g_strdup_printf ("statistic%d", j));
            for (k = 0; k < 4; k++)
            {
                APTERYX_LEAF (node2, g_strdup_printf ("counter%d", k), g_strdup_printf ("%d", i*j*k));
            }
        }
    }
    CU_ASSERT ((res = apteryx_set_tree (root)));
    if (!res)
        goto exit;
    apteryx_free_tree (root);

    start = get_time_us ();
    CU_ASSERT ((root = apteryx_get_tree (path)) != NULL);
    if (!root)
        goto exit;
    apteryx_free_tree (root);
    time = (get_time_us () - start);
    printf ("%"PRIu64"us ... ", time);

exit:
    CU_ASSERT (apteryx_prune (path));
    CU_ASSERT (assert_apteryx_empty ());
}

void
test_perf_get_tree_n (int n)
{
     const char *path = TEST_PATH"/interfaces/eth0";
    char value[32];
    GNode* root;
    uint64_t start, time;
    int count = n/5;
    int i;

    for (i=0; i<count; i++)
    {
        for (int j =0; j < 5; j++)
        {
            sprintf (value, "node%d/value%d", i,j);
            CU_ASSERT (apteryx_set_string (path, value, value));
        }
    }
    start = get_time_us ();
    CU_ASSERT ((root = apteryx_get_tree (path)) != NULL)
    if (!root)
        goto exit;
    time = (get_time_us () - start);
    printf ("%"PRIu64"us(%"PRIu64"us) ... ", time, time/(n));
    apteryx_free_tree (root);
exit:
    CU_ASSERT (apteryx_prune (path));
    CU_ASSERT (assert_apteryx_empty ());
}

void
test_perf_get_tree_10000 ()
{
    test_perf_get_tree_n(10000);
}
void
test_perf_get_tree_20000 ()
{
    test_perf_get_tree_n(20000);
}
void
test_perf_get_tree_30000 ()
{
    test_perf_get_tree_n(30000);
}
void
test_perf_get_tree_40000 ()
{
    test_perf_get_tree_n(40000);
}
void
test_perf_get_tree_50000 ()
{
    test_perf_get_tree_n(50000);
}
void
test_perf_get_tree_60000 ()
{
    test_perf_get_tree_n(60000);
}
void
test_perf_get_tree_70000 ()
{
    test_perf_get_tree_n(70000);
}
void
test_perf_get_tree_80000 ()
{
    test_perf_get_tree_n(80000);
}

void
test_perf_provide ()
{
    const char *path = TEST_PATH"/entity/zones/private/state";
    const char *value = NULL;
    uint64_t start;
    int i;

    CU_ASSERT (apteryx_provide (path, test_provide_callback_up));
    start = get_time_us ();
    for (i = 0; i < TEST_ITERATIONS; i++)
    {
        CU_ASSERT ((value = apteryx_get (path)) != NULL);
        if (!value)
            goto exit;
        free ((void *) value);
    }
    printf ("%"PRIu64"us ... ", (get_time_us () - start) / TEST_ITERATIONS);
exit:
    apteryx_unprovide (path, test_provide_callback_up);
    CU_ASSERT (assert_apteryx_empty ());
}

void
test_perf_prune ()
{
    const char *path = TEST_PATH"/neighbour/";
    uint64_t start, time;
    int count = 10000;
    int i;

    for (i=0; i<count; i++)
    {
        char p2[128];
        sprintf (p2, "%svalue%d", path,i);
        CU_ASSERT (apteryx_set_int (p2, "data_point_1", 1));
        CU_ASSERT (apteryx_set_int (p2, "data_point_2", 1));
    }
    start = get_time_us ();
    CU_ASSERT (apteryx_prune(TEST_PATH));
    time = (get_time_us () - start);
    printf ("%"PRIu64"us(%"PRIu64"us) ... ", time, time/count);

    CU_ASSERT (assert_apteryx_empty ());
}

void
test_proxy_get ()
{
    const char *value = NULL;

    CU_ASSERT (apteryx_set (TEST_PATH"/local", "test"));
    CU_ASSERT (apteryx_bind (TEST_TCP_URL));
    CU_ASSERT (apteryx_proxy (TEST_PATH"/remote/*", TEST_TCP_URL));
    CU_ASSERT ((value = apteryx_get (TEST_PATH"/remote"TEST_PATH"/local")) != NULL);
    CU_ASSERT (value && strcmp (value, "test") == 0);
    if (value)
        free ((void *) value);
    CU_ASSERT (apteryx_unproxy (TEST_PATH"/remote/*", TEST_TCP_URL));
    CU_ASSERT (apteryx_unbind (TEST_TCP_URL));
    CU_ASSERT (apteryx_set (TEST_PATH"/local", NULL));
    CU_ASSERT (assert_apteryx_empty ());
}

void
test_proxy_tree_get ()
{
    const char *value = NULL;
    GNode *root = NULL;

    CU_ASSERT (apteryx_set (TEST_PATH"/local/foo/menu1", "spam"));
    CU_ASSERT (apteryx_set (TEST_PATH"/local/foo/menu2", "eggsandspam"));
    CU_ASSERT (apteryx_set (TEST_PATH"/local/bar/menu3", "eggspamspamandeggs"))
    CU_ASSERT (apteryx_set (TEST_PATH"/local/bar/menu4", "spamspameggsspamspamspameggsandspam"));
    CU_ASSERT (apteryx_bind (TEST_TCP_URL));
    CU_ASSERT (apteryx_proxy (TEST_PATH"/remote/*", TEST_TCP_URL));

    /* Get menu item 1 via proxy */
    CU_ASSERT ((value = apteryx_get (TEST_PATH"/remote"TEST_PATH"/local/foo/menu1")) != NULL);
    CU_ASSERT (value && strcmp (value, "spam") == 0);
    if (value)
        free ((void *) value);

    /* Test local tree */
    root = apteryx_get_tree (TEST_PATH"/local");
    CU_ASSERT (root && APTERYX_NUM_NODES (root) == 7);
    if (root)
        apteryx_free_tree (root);

    /* Test same tree via proxy */
    root = apteryx_get_tree (TEST_PATH"/remote"TEST_PATH"/local");
    CU_ASSERT (root && APTERYX_NUM_NODES (root) == 7);
    if (root)
        apteryx_free_tree (root);
    else
        printf("No tree in result\n");

    CU_ASSERT (apteryx_unproxy (TEST_PATH"/remote/*", TEST_TCP_URL));
    CU_ASSERT (apteryx_unbind (TEST_TCP_URL));
    CU_ASSERT (apteryx_prune (TEST_PATH"/local"));
    CU_ASSERT (assert_apteryx_empty ());

    apteryx_debug = false;
}

void
test_proxy_tree_query ()
{
    GNode *query = NULL;
    GNode *root = NULL;

    /* Query should ignore non-leaf values */
    CU_ASSERT (apteryx_set (TEST_PATH"/local/foo", "dog"));
    CU_ASSERT (apteryx_set (TEST_PATH"/local/foo/menu1", "spam"));
    CU_ASSERT (apteryx_set (TEST_PATH"/local/foo/menu2", "eggsandspam"));
    CU_ASSERT (apteryx_set (TEST_PATH"/local/bar/menu3", "eggspamspamandeggs"))
    CU_ASSERT (apteryx_set (TEST_PATH"/local/bar/menu4", "spamspameggsspamspamspameggsandspam"));
    CU_ASSERT (apteryx_set (TEST_PATH"/local/foo/menu5/part1", "part1"));
    CU_ASSERT (apteryx_set (TEST_PATH"/local/foo/menu5/part2", "part2"));
    CU_ASSERT (apteryx_bind (TEST_TCP_URL));
    CU_ASSERT (apteryx_proxy (TEST_PATH"/remote/*", TEST_TCP_URL));

    /* Test local tree */
    query = g_node_new (strdup (TEST_PATH"/local/*"));
    root = apteryx_query (query);
    CU_ASSERT (root && g_node_n_nodes (root, G_TRAVERSE_NON_LEAVES) == 10);
    CU_ASSERT (root && g_node_n_nodes (root, G_TRAVERSE_LEAFS) == 6);
    apteryx_free_tree (root);
    apteryx_free_tree (query);

    /* Test same tree via proxy */
    query = g_node_new (strdup (TEST_PATH"/remote"TEST_PATH"/local/*"));
    root = apteryx_query (query);
    CU_ASSERT (root && strcmp (root->data, TEST_PATH"/remote"TEST_PATH"/local") == 0);
    CU_ASSERT (root && g_node_n_nodes (root, G_TRAVERSE_NON_LEAVES) == 10);
    CU_ASSERT (root && g_node_n_nodes (root, G_TRAVERSE_LEAFS) == 6);
    apteryx_free_tree (root);
    apteryx_free_tree (query);

    /* Query tree */
    query = g_node_new (strdup ("/"));
    apteryx_path_to_node (query, TEST_PATH"/remote"TEST_PATH"/local/*", NULL);
    root = apteryx_query (query);
    CU_ASSERT (root && strcmp (root->data, "/") == 0);
    CU_ASSERT (root && g_node_n_nodes (root, G_TRAVERSE_NON_LEAVES) == 14);
    CU_ASSERT (root && g_node_n_nodes (root, G_TRAVERSE_LEAFS) == 6);
    apteryx_free_tree (root);
    apteryx_free_tree (query);

    /* Sub-tree */
    query = g_node_new (strdup (TEST_PATH"/remote"TEST_PATH"/local/foo/*"));
    root = apteryx_query (query);
    CU_ASSERT (root && strcmp (root->data, TEST_PATH"/remote"TEST_PATH"/local/foo") == 0);
    CU_ASSERT (root && g_node_n_nodes (root, G_TRAVERSE_NON_LEAVES) == 6);
    CU_ASSERT (root && g_node_n_nodes (root, G_TRAVERSE_LEAFS) == 4);
    apteryx_free_tree (root);
    apteryx_free_tree (query);

    /* Sub-tree - one level */
    query = g_node_new (strdup (TEST_PATH"/remote"TEST_PATH"/local/foo/"));
    root = apteryx_query (query);
    CU_ASSERT (root && strcmp (root->data, TEST_PATH"/remote"TEST_PATH"/local/foo") == 0);
    CU_ASSERT (root && g_node_n_nodes (root, G_TRAVERSE_NON_LEAVES) == 3);
    CU_ASSERT (root && g_node_n_nodes (root, G_TRAVERSE_LEAFS) == 2);
    apteryx_free_tree (root);
    apteryx_free_tree (query);

    /* Non-leaf value */
    query = g_node_new (strdup (TEST_PATH"/remote"TEST_PATH"/local/foo"));
    root = apteryx_query (query);
    CU_ASSERT (root && strcmp (root->data, TEST_PATH"/remote"TEST_PATH"/local/foo") == 0);
    CU_ASSERT (root && g_node_n_nodes (root, G_TRAVERSE_NON_LEAVES) == 1);
    CU_ASSERT (root && g_node_n_nodes (root, G_TRAVERSE_LEAFS) == 1);
    CU_ASSERT (root && strcmp (g_node_first_child (root)->data, "dog") == 0);
    apteryx_free_tree (root);
    apteryx_free_tree (query);

    /* Miss */
    query = g_node_new (strdup (TEST_PATH"/remote"TEST_PATH"/local/cat"));
    root = apteryx_query (query);
    CU_ASSERT (root == NULL);
    apteryx_free_tree (query);

    /* End node */
    query = g_node_new (strdup (TEST_PATH"/remote"TEST_PATH"/local/foo/menu1"));
    root = apteryx_query (query);
    CU_ASSERT (root && strcmp (root->data, TEST_PATH"/remote"TEST_PATH"/local/foo/menu1") == 0);
    CU_ASSERT (root && g_node_n_nodes (root, G_TRAVERSE_NON_LEAVES) == 1);
    CU_ASSERT (root && g_node_n_nodes (root, G_TRAVERSE_LEAFS) == 1);
    apteryx_free_tree (root);
    apteryx_free_tree (query);

    CU_ASSERT (apteryx_unproxy (TEST_PATH"/remote/*", TEST_TCP_URL));
    CU_ASSERT (apteryx_unbind (TEST_TCP_URL));
    CU_ASSERT (apteryx_prune (TEST_PATH"/local"));
    CU_ASSERT (assert_apteryx_empty ());
}

void
test_proxy_set ()
{
    const char *value = NULL;

    CU_ASSERT (apteryx_bind (TEST_TCP_URL));
    CU_ASSERT (apteryx_proxy (TEST_PATH"/remote/*", TEST_TCP_URL));
    CU_ASSERT (apteryx_set (TEST_PATH"/remote/test/local", "test"));
    CU_ASSERT ((value = apteryx_get (TEST_PATH"/local")) != NULL);
    CU_ASSERT (value && strcmp (value, "test") == 0);
    if (value)
        free ((void *) value);
    CU_ASSERT (apteryx_unproxy (TEST_PATH"/remote/*", TEST_TCP_URL));
    CU_ASSERT (apteryx_unbind (TEST_TCP_URL));
    CU_ASSERT (apteryx_prune (TEST_PATH));
    CU_ASSERT (assert_apteryx_empty ());
}

void
test_proxy_not_listening ()
{
    CU_ASSERT (apteryx_set (TEST_PATH"/local", "test"));
    CU_ASSERT (apteryx_proxy (TEST_PATH"/remote/*", TEST_TCP_URL));
    CU_ASSERT (apteryx_get (TEST_PATH"/remote/test/local") == NULL);
    CU_ASSERT (apteryx_unproxy (TEST_PATH"/remote/*", TEST_TCP_URL));
    CU_ASSERT (apteryx_prune (TEST_PATH));
    CU_ASSERT (assert_apteryx_empty ());
}

void
test_proxy_before_db_get ()
{
    const char *value = NULL;

    CU_ASSERT (apteryx_set (TEST_PATH"/local", "dog"));
    CU_ASSERT (apteryx_set (TEST_PATH"/remote/test/local", "cat"));
    CU_ASSERT (apteryx_bind (TEST_TCP_URL));
    CU_ASSERT (apteryx_proxy (TEST_PATH"/remote/*", TEST_TCP_URL));
    CU_ASSERT ((value = apteryx_get (TEST_PATH"/remote/test/local")) != NULL);
    CU_ASSERT (value && strcmp (value, "dog") == 0);
    if (value)
        free ((void *) value);
    CU_ASSERT (apteryx_unproxy (TEST_PATH"/remote/*", TEST_TCP_URL));
    CU_ASSERT (apteryx_unbind (TEST_TCP_URL));
    CU_ASSERT (apteryx_prune (TEST_PATH));
    CU_ASSERT (assert_apteryx_empty ());
}

void
test_proxy_before_db_set ()
{
    CU_ASSERT (apteryx_bind (TEST_TCP_URL));
    CU_ASSERT (apteryx_proxy (TEST_PATH"/remote/*", TEST_TCP_URL));
    CU_ASSERT (apteryx_set (TEST_PATH"/remote/test/local", "test"));
    CU_ASSERT (apteryx_unproxy (TEST_PATH"/remote/*", TEST_TCP_URL));
    CU_ASSERT (apteryx_unbind (TEST_TCP_URL));
    CU_ASSERT (apteryx_prune (TEST_PATH));
    CU_ASSERT (assert_apteryx_empty ());
}

void
test_proxy_set_validated ()
{
    CU_ASSERT (apteryx_validate (TEST_PATH"/local", test_validate_refuse_callback));
    CU_ASSERT (apteryx_bind (TEST_TCP_URL));
    CU_ASSERT (apteryx_proxy (TEST_PATH"/remote/*", TEST_TCP_URL));
    CU_ASSERT (!apteryx_set (TEST_PATH"/remote/test/local", "test"));
    CU_ASSERT (errno == -EPERM);
    CU_ASSERT (apteryx_unvalidate (TEST_PATH"/local", test_validate_refuse_callback));
    CU_ASSERT (apteryx_unproxy (TEST_PATH"/remote/*", TEST_TCP_URL));
    CU_ASSERT (apteryx_unbind (TEST_TCP_URL));
    CU_ASSERT (apteryx_prune (TEST_PATH));
    CU_ASSERT (assert_apteryx_empty ());
}

void
test_proxy_search ()
{
    GList *paths = NULL;

    CU_ASSERT (apteryx_set (TEST_PATH"/local/cat", "felix"));
    CU_ASSERT (apteryx_set (TEST_PATH"/local/dog", "fido"));
    CU_ASSERT (apteryx_bind (TEST_TCP_URL));
    CU_ASSERT (apteryx_proxy (TEST_PATH"/remote/*", TEST_TCP_URL));
    CU_ASSERT ((paths = apteryx_search (TEST_PATH"/remote/test/local/")) != NULL);
    CU_ASSERT (g_list_length (paths) == 2);
    CU_ASSERT (g_list_find_custom (paths, TEST_PATH"/remote"TEST_PATH"/local/cat",
            (GCompareFunc) strcmp) != NULL);
    CU_ASSERT (g_list_find_custom (paths, TEST_PATH"/remote"TEST_PATH"/local/dog",
            (GCompareFunc) strcmp) != NULL);
    g_list_free_full (paths, free);
    CU_ASSERT (apteryx_unproxy (TEST_PATH"/remote/*", TEST_TCP_URL));
    CU_ASSERT (apteryx_unbind (TEST_TCP_URL));
    CU_ASSERT (apteryx_prune (TEST_PATH));
    CU_ASSERT (assert_apteryx_empty ());
}

void
test_proxy_prune ()
{
    GList *paths = NULL;

    CU_ASSERT (apteryx_set_string (TEST_PATH"/interfaces", NULL, "-"));
    CU_ASSERT (apteryx_set_string (TEST_PATH"/interfaces/eth0", NULL, "-"));
    CU_ASSERT (apteryx_set_string (TEST_PATH"/interfaces/eth0/state", NULL, "up"));
    CU_ASSERT (apteryx_set_string (TEST_PATH"/entities", NULL, "-"));
    CU_ASSERT (apteryx_set_string (TEST_PATH"/entities/zones", NULL, "-"));
    CU_ASSERT (apteryx_set_string (TEST_PATH"/entities/zones/public", NULL, "-"));
    CU_ASSERT (apteryx_set_string (TEST_PATH"/entities/zones/private", NULL, "-"));

    CU_ASSERT (apteryx_bind (TEST_TCP_URL));
    CU_ASSERT (apteryx_proxy (TEST_PATH"/remote/*", TEST_TCP_URL));
    CU_ASSERT (apteryx_prune (TEST_PATH"/remote"TEST_PATH"/interfaces"));
    CU_ASSERT ((paths = apteryx_search (TEST_PATH"/interfaces/")) == NULL);
    CU_ASSERT ((paths = apteryx_search (TEST_PATH"/entities/zones/")) != NULL);
    CU_ASSERT (g_list_length (paths) == 2);
    g_list_free_full (paths, free);

    CU_ASSERT (apteryx_prune (TEST_PATH"/entities"));
    CU_ASSERT (apteryx_unproxy (TEST_PATH"/remote/*", TEST_TCP_URL));
    CU_ASSERT (apteryx_unbind (TEST_TCP_URL));
    CU_ASSERT (assert_apteryx_empty ());
}

void
test_proxy_timestamp ()
{
    uint64_t ts = 0;

    CU_ASSERT (apteryx_set (TEST_PATH"/local", "test"));
    CU_ASSERT ((ts = apteryx_timestamp (TEST_PATH"/local")) != 0);
    CU_ASSERT (apteryx_bind (TEST_TCP_URL));
    CU_ASSERT (apteryx_proxy (TEST_PATH"/remote/*", TEST_TCP_URL));
    CU_ASSERT (apteryx_timestamp (TEST_PATH"/remote/test/local") == ts);
    CU_ASSERT (apteryx_unproxy (TEST_PATH"/remote/*", TEST_TCP_URL));
    CU_ASSERT (apteryx_unbind (TEST_TCP_URL));
    CU_ASSERT (apteryx_set (TEST_PATH"/local", NULL));
    CU_ASSERT (assert_apteryx_empty ());
}

void
test_proxy_cas ()
{
    const char *path = TEST_PATH"/remote/test/local";
    char *value = NULL;
    uint64_t ts;

    CU_ASSERT (apteryx_bind (TEST_TCP_URL));
    CU_ASSERT (apteryx_proxy (TEST_PATH"/remote/*", TEST_TCP_URL));

    value = g_strdup_printf ("%d", 1);
    CU_ASSERT (apteryx_cas (path, value, 0));
    CU_ASSERT (!apteryx_cas (path, value, 0));
    CU_ASSERT (errno == -EBUSY);
    CU_ASSERT ((ts = apteryx_timestamp (path)) != 0);
    CU_ASSERT (apteryx_cas (path, value, ts));
    CU_ASSERT (!apteryx_cas (path, value, ts));
    CU_ASSERT (errno == -EBUSY);
    g_free (value);

    CU_ASSERT (apteryx_set (path, NULL));
    CU_ASSERT (apteryx_unproxy (TEST_PATH"/remote/*", TEST_TCP_URL));
    CU_ASSERT (apteryx_unbind (TEST_TCP_URL));
    CU_ASSERT (assert_apteryx_empty ());
}

void
test_timestamp ()
{
    const char *path = TEST_PATH"/timestamp";
    uint64_t ts;

    CU_ASSERT (apteryx_set_int (path, "value", 10));
    CU_ASSERT (apteryx_set_int (path, "value2", 11));
    ts = apteryx_timestamp (path);
    CU_ASSERT (ts != 0);
    CU_ASSERT (apteryx_prune (TEST_PATH"/timestamp/value"));
    CU_ASSERT (ts != apteryx_timestamp (path));
    CU_ASSERT (apteryx_prune (TEST_PATH));
}

void
test_timestamp_refreshed ()
{
    const char *path = TEST_PATH"/timestamp/refreshed";
    uint64_t ts, ts1;
    char *value;

    _cb_timeout = 5000;
    apteryx_refresh(path, test_refresh_callback);

    /* Getting the timestamp should call the refresher */
    ts = apteryx_timestamp (path);
    CU_ASSERT (ts != 0);

    /* Refresher should not be called again and hence
       the timestamp should not change */
    value = apteryx_get(path);
    ts1 = apteryx_timestamp (path);
    CU_ASSERT(ts1 == ts);

    /* Getting the timestamp should call the refresher
       as we have waited _cb_timeout */
    usleep (_cb_timeout);
    ts = apteryx_timestamp (path);
    CU_ASSERT(ts != ts1);

    free (value);
    apteryx_unrefresh(path, test_refresh_callback);
    apteryx_prune(path);
    _cb_count = 0;
}

static char*
test_provide_timestamp (const char *path)
{
    return strdup ("timestamp");
}

void
test_timestamp_provider ()
{
    const char *path = TEST_PATH"/timestamp";
    uint64_t ts;

    CU_ASSERT (apteryx_provide (path, test_provide_timestamp));
    ts = apteryx_timestamp (path);
    CU_ASSERT(ts != 0);

    apteryx_prune(path);
    apteryx_unprovide (path, test_provide_timestamp);
    CU_ASSERT (assert_apteryx_empty ());
}

void
test_memuse ()
{
    const char *path = TEST_PATH"/memuse";
    uint64_t memuse;

    CU_ASSERT (apteryx_memuse (path) == 0);
    CU_ASSERT (apteryx_set_int (path, "value", 10));
    CU_ASSERT (apteryx_set_int (path, "value2", 11));
    CU_ASSERT ((memuse = apteryx_memuse (path)) != 0);
    CU_ASSERT (apteryx_prune (TEST_PATH"/memuse/value"));
    CU_ASSERT (apteryx_memuse (path) != 0);
    CU_ASSERT (apteryx_memuse (path) < memuse);
    CU_ASSERT (apteryx_prune (TEST_PATH));
}

void
test_path_to_node ()
{
    char *path;
    GNode *root;
    GNode *node;

    path = TEST_PATH"/path/to/node";
    root = APTERYX_NODE (NULL, strdup (path));
    node = apteryx_path_to_node (root, path, "test");
    CU_ASSERT (root != NULL);
    CU_ASSERT (node != NULL);
    CU_ASSERT (node && g_strcmp0(node->data, "test") == 0);
    apteryx_free_tree (root);

    /* Multiple roots */
    root = g_node_new (strdup ("/"));
    apteryx_path_to_node (root, "/system/time/01:23:45", NULL);
    apteryx_path_to_node (root, "/boot/time", "12:23:45");
    CU_ASSERT (root && strcmp(APTERYX_NAME(root), "/") == 0);
    CU_ASSERT (root->next == NULL);
    CU_ASSERT (g_node_n_children (root) == 2);
    apteryx_free_tree (root);

    root = APTERYX_NODE (NULL, strdup ("/system"));
    apteryx_path_to_node (root, "/system/system-name", "awplus");
    node = root->children;
    CU_ASSERT (node && strcmp(APTERYX_NAME(node), "system-name") == 0);
    apteryx_free_tree (root);

    root = APTERYX_NODE (NULL, strdup ("/"));
    apteryx_path_to_node (root, "/system/system-name", "awplus");
    node = root->children;
    path = apteryx_node_path(node);
    CU_ASSERT (path && strcmp (path, "/system") == 0);
    g_free (path);
    CU_ASSERT (node && strcmp(APTERYX_NAME(node), "system") == 0);
    node = node->children;
    path = apteryx_node_path(node);
    CU_ASSERT (path && strcmp (path, "/system/system-name") == 0);
    g_free (path);
    CU_ASSERT (node && strcmp(APTERYX_NAME(node), "system-name") == 0);
    node = node->children;
    CU_ASSERT (node && strcmp(APTERYX_NAME(node), "awplus") == 0);
    apteryx_free_tree (root);

    root = APTERYX_NODE (NULL, strdup ("/system"));
    apteryx_path_to_node (root, "/system/system-name", "awplus");
    node = root->children;
    path = apteryx_node_path(node);
    CU_ASSERT (path && strcmp (path, "/system/system-name") == 0);
    g_free (path);
    CU_ASSERT (node && strcmp(APTERYX_NAME(node), "system-name") == 0);
    node = node->children;
    CU_ASSERT (node && strcmp(APTERYX_NAME(node), "awplus") == 0);
    apteryx_free_tree (root);
}

static bool
test_deadlock_callback (const char *path, const char *value)
{
    apteryx_set(TEST_PATH"/goes/here", "changed");
    return true;
}

static int
count_threads (const char *name)
{
    char *cmd = g_strdup_printf ("ps H -o 'tid comm' %d | grep %s | wc -l", (int) getpid(), name);

    FILE *file = popen (cmd, "r");
    int count = 0;
    if (file)
    {
        CU_ASSERT (fscanf (file, "%d", &count) == 1);
        pclose (file);
    }
    free (cmd);
    return count;
}

void
test_deadlock ()
{
    int i;

    for (i = 0; i < 1000; i++)
    {
        char *path = NULL;
        CU_ASSERT (asprintf(&path, TEST_PATH"/zones/private/state/%d", i) > 0);
        CU_ASSERT (apteryx_set (path, "set"));
        CU_ASSERT (apteryx_watch (path, test_deadlock_callback));
        free (path);
    }
    CU_ASSERT (apteryx_prune(TEST_PATH));
    usleep (1000);
    apteryx_shutdown ();
    CU_ASSERT (count_threads ("rpc") == 0);
    CU_ASSERT (count_threads ("pool") == 0);
    apteryx_init (false);

    usleep (5 * 1000 * 1000);
    for (i = 0; i < 1000; i++)
    {
        char *path = NULL;
        CU_ASSERT (asprintf (&path, TEST_PATH"/zones/private/state/%d", i) > 0);
        CU_ASSERT (apteryx_unwatch (path, test_deadlock_callback));
        free (path);
    }
    CU_ASSERT (apteryx_prune (TEST_PATH));
    usleep (TEST_SLEEP_TIMEOUT);
    CU_ASSERT (assert_apteryx_empty ());
}

static bool
test_deadlock2_callback (const char *path, const char *value)
{
    apteryx_watch (path, test_deadlock_callback);
    return true;
}

void
test_deadlock2 ()
{
    int i;

    for (i = 0; i < 1000; i++)
    {
        char *path = NULL;
        CU_ASSERT (asprintf(&path, TEST_PATH"/zones/private/state/%d", i) > 0);
        CU_ASSERT (apteryx_set (path, "set"));
        CU_ASSERT (apteryx_watch (path, test_deadlock2_callback));
        free (path);
    }
    CU_ASSERT (apteryx_prune (TEST_PATH));
    usleep (200);
    apteryx_shutdown ();
    CU_ASSERT (count_threads ("rpc") == 0);
    CU_ASSERT (count_threads ("pool") == 0);
    apteryx_init (false);

    usleep (5 * 1000 * 1000);
    for (i = 0; i < 1000; i++)
    {
        char *path = NULL;
        CU_ASSERT (asprintf (&path, TEST_PATH"/zones/private/state/%d", i) > 0);
        apteryx_unwatch (path, test_deadlock2_callback);
        apteryx_unwatch (path, test_deadlock_callback);
        free (path);
    }
    CU_ASSERT (apteryx_prune (TEST_PATH));
    usleep (TEST_SLEEP_TIMEOUT);
    CU_ASSERT (assert_apteryx_empty ());
}

void
test_double_fork ()
{
    const char *path = TEST_PATH"/entity/zones/private/age";
    int status;
    int pid;

    CU_ASSERT (apteryx_set_int (path, NULL, 1));
    if ((pid = fork ()) == 0)
    {
        /* Child */
        apteryx_set_int (path, NULL, apteryx_get_int (path, NULL) + 1);
        if ((pid = fork ()) == 0)
        {
            /* Grandchild */
            apteryx_set_int (path, NULL, apteryx_get_int (path, NULL) + 1);
            exit (0);
        }
        waitpid (pid, &status, 0);
        exit (0);
    }
    waitpid (pid, &status, 0);
    CU_ASSERT (WEXITSTATUS (status) == 0);
    CU_ASSERT ((apteryx_get_int (path, NULL)) == 3);

    CU_ASSERT (apteryx_set (path, NULL));
    CU_ASSERT (assert_apteryx_empty ());
}

void
test_remote_path_colon ()
{
    char *path = TEST_TCP_URL":"TEST_PATH "/2001:db8::1/test";
    char *value = NULL;
    CU_ASSERT (apteryx_bind (TEST_TCP_URL));
    usleep (TEST_SLEEP_TIMEOUT);
    CU_ASSERT (apteryx_set (path, "hello"));
    CU_ASSERT ((value = apteryx_get (path)) != NULL && strcmp (value, "hello") == 0);
    free (value);
    CU_ASSERT (apteryx_set (path, NULL));
    CU_ASSERT (apteryx_unbind (TEST_TCP_URL));
}

void
_dump_config (FILE *fd, char *root, int tab)
{
    GList *paths = apteryx_search (root);
    for (GList * path = paths; path; path = path->next)
    {
        char *value = apteryx_get (path->data);
        if (value)
        {
            fprintf (fd, "%*.s%-16s %s\n", tab * 4, " ", strrchr (path->data, '/') + 1,
                     value);
            free (value);
        }
        else
            fprintf (fd, "%*.s%-16s\n", tab * 4, " ", strrchr (path->data, '/') + 1);

        char *sub_path;
        if (asprintf (&sub_path, "%s/", (char *) path->data))
        {
            _dump_config (fd, sub_path, tab + 1);
            free (sub_path);
        }
    }
    g_list_free_full (paths, free);
}

void
test_docs ()
{
    apteryx_set_string (TEST_PATH"/interfaces/eth0", "description", "our lan");
    apteryx_set_string (TEST_PATH"/interfaces/eth0", "state", "up");
    apteryx_set_int (TEST_PATH"/interfaces/eth0/counters", "in_pkts", 10);
    apteryx_set_int (TEST_PATH"/interfaces/eth0/counters/out_pkts", NULL, 20);
    apteryx_set_string (TEST_PATH"/interfaces/eth1/description", NULL, "our wan");
    apteryx_set_string (TEST_PATH"/interfaces/eth1/state", NULL, "down");

    printf ("\nInterfaces:\n");
    GList *paths = apteryx_search (TEST_PATH"/interfaces/");
    for (GList * _iter = paths; _iter; _iter = _iter->next)
    {
        char *path, *value;
        path = (char *) _iter->data;
        printf ("  %s\n", strrchr (path, '/') + 1);
        value = apteryx_get_string (path, "description");
        printf ("    description     %s\n", value);
        free ((void *) value);
        value = apteryx_get_string (path, "state");
        printf ("    state           %s\n", value);
        free ((void *) value);
    }
    g_list_free_full (paths, free);

    apteryx_set_string (TEST_PATH"/interfaces/eth0", "description", NULL);
    apteryx_set_string (TEST_PATH"/interfaces/eth0", "state", NULL);
    apteryx_set_string (TEST_PATH"/interfaces/eth0/counters", "in_pkts", NULL);
    apteryx_set_string (TEST_PATH"/interfaces/eth0/counters/out_pkts", NULL, NULL);
    apteryx_set_string (TEST_PATH"/interfaces/eth1/description", NULL, NULL);
    apteryx_set_string (TEST_PATH"/interfaces/eth1/state", NULL, NULL);
    CU_ASSERT (assert_apteryx_empty ());
}

void
test_socket_latency (int family, bool cd, bool req, bool resp)
{
    int iterations = 2 * TEST_ITERATIONS;
    char buf[TEST_MESSAGE_SIZE] = {};
    union
    {
        struct sockaddr_in addr_in;
        struct sockaddr_in6 addr_in6;
        struct sockaddr_un addr_un;
    } server, client;
    socklen_t address_len, len;
    int64_t start, i, s, s2 = -1;
    int on = 1;
    int pid;
    int status;
    int ret;

    if (family == AF_UNIX)
    {
        server.addr_un.sun_family = AF_UNIX;
        strcpy (server.addr_un.sun_path, TEST_RPC_PATH);
        unlink (server.addr_un.sun_path);
        address_len = sizeof (server.addr_un);
    }
    else if (family == AF_INET)
    {
        server.addr_in.sin_family = AF_INET;
        server.addr_in.sin_port = htons (TEST_PORT_NUM);
        server.addr_in.sin_addr.s_addr = htonl(INADDR_LOOPBACK);
        address_len = sizeof (server.addr_in);
        client = server;
        client.addr_in.sin_port = htons (TEST_PORT_NUM+1);
    }
    else
    {
        CU_ASSERT (family == AF_UNIX || family == AF_INET);
        return;
    }
    CU_ASSERT ((s = socket (family, SOCK_STREAM, 0)) >= 0);
    CU_ASSERT (setsockopt (s, SOL_SOCKET, SO_REUSEADDR, &on, sizeof(on)) >= 0);
    CU_ASSERT ((ret = bind (s, (struct sockaddr *)&server, address_len)) >= 0);
    CU_ASSERT ((ret = listen (s, 5)) >= 0);
    if (ret < 0)
        return;

    if ((pid = fork ()) == 0)
    {
        if (!cd)
        {
            len = address_len;
            CU_ASSERT ((s2 = accept (s, (struct sockaddr *)&client, &len)) >= 0);
            if (s2 < 0)
                exit (-1);
        }
        for (i = 0; i < iterations; i++)
        {
            if (cd)
            {
                len = address_len;
                CU_ASSERT ((s2 = accept (s, (struct sockaddr *)&client, &len)) >= 0);
                if (s2 < 0)
                    exit (-1);
            }
            if (req)
                CU_ASSERT (read (s2, buf, TEST_MESSAGE_SIZE) == TEST_MESSAGE_SIZE);
            if (resp)
                CU_ASSERT (write (s2, buf, TEST_MESSAGE_SIZE) == TEST_MESSAGE_SIZE);
            if (cd)
                close (s2);
        }
        if (!cd)
            close (s2);
        close (s);
        exit (0);
    }
    else
    {
        close (s);
        if (!cd)
        {
            CU_ASSERT ((s = socket (family, SOCK_STREAM, 0)) >= 0);
            CU_ASSERT (setsockopt (s, SOL_SOCKET, SO_REUSEADDR, &on, sizeof(on)) >= 0);
            CU_ASSERT ((ret = connect (s, (struct sockaddr *)&server, address_len)) == 0);
            if (ret)
                goto exit;
        }
        start = get_time_us ();
        for (i = 0; i < iterations; i++)
        {
            if (cd)
            {
                CU_ASSERT ((s = socket (family, SOCK_STREAM, 0)) >= 0);
                CU_ASSERT (setsockopt (s, SOL_SOCKET, SO_REUSEADDR, &on, sizeof(on)) >= 0);
                CU_ASSERT ((ret = connect (s, (struct sockaddr *)&server, address_len)) == 0);
                if (ret)
                    goto exit;
            }
            if (req)
                CU_ASSERT (write (s, buf, TEST_MESSAGE_SIZE) == TEST_MESSAGE_SIZE);
            if (resp)
                CU_ASSERT (read (s, buf, TEST_MESSAGE_SIZE) == TEST_MESSAGE_SIZE);
            if (cd)
                close (s);
        }
        printf ("%"PRIu64"us ... ", (get_time_us () - start) / iterations);
        if (!cd)
            close (s);
    }
exit:
    kill (pid, 9);
    waitpid (pid, &status, 0);
    if (family == AF_UNIX)
        unlink (TEST_RPC_PATH);
}

void
test_unix_req_latency ()
{
    test_socket_latency (AF_UNIX, false, true, false);
}

void
test_unix_req_resp_latency ()
{
    test_socket_latency (AF_UNIX, false, true, true);
}

void
test_unix_con_disc_latency ()
{
    test_socket_latency (AF_UNIX, true, false, false);
}

void
test_unix_con_req_resp_disc_latency ()
{
    test_socket_latency (AF_UNIX, true, true, true);
}

void
test_tcp_req_latency ()
{
    test_socket_latency (AF_INET, false, true, false);
}

void
test_tcp_req_resp_latency ()
{
    test_socket_latency (AF_INET, false, true, true);
}

void
test_tcp_con_disc_latency ()
{
    test_socket_latency (AF_INET, true, false, false);
}

void
test_tcp_con_req_resp_disc_latency ()
{
    test_socket_latency (AF_INET, true, true, true);
}

static bool
test_handler (rpc_message msg)
{
    APTERYX_MODE mode = rpc_msg_decode_uint8 (msg);
    CU_ASSERT (mode == MODE_TEST);
    char *ping = rpc_msg_decode_string (msg);
    char *pong = g_strdup (ping);
    rpc_msg_reset (msg);
    rpc_msg_encode_string (msg, pong);
    g_free (pong);
    return true;
}

void
test_rpc_init ()
{
    rpc_instance rpc;
    CU_ASSERT ((rpc = rpc_init (RPC_TIMEOUT_US, false, test_handler)) != NULL);
    rpc_shutdown (rpc);
}

void
test_rpc_bind ()
{
    char *url = APTERYX_SERVER".test";
    rpc_instance rpc;
    CU_ASSERT ((rpc = rpc_init (RPC_TIMEOUT_US, false, test_handler)) != NULL);
    CU_ASSERT (rpc_server_bind (rpc,  url, url));
    CU_ASSERT (rpc_server_release (rpc, url));
    rpc_shutdown (rpc);
}

void
test_rpc_connect ()
{
    char *url = APTERYX_SERVER".test";
    rpc_client rpc_client;
    rpc_instance rpc;

    CU_ASSERT ((rpc = rpc_init (RPC_TIMEOUT_US, false, test_handler)) != NULL);
    CU_ASSERT (rpc_server_bind (rpc,  url, url));
    CU_ASSERT ((rpc_client = rpc_client_connect (rpc, url)) != NULL);
    rpc_client_release (rpc, rpc_client, false);
    CU_ASSERT (rpc_server_release (rpc, url));
    rpc_shutdown (rpc);
}

void
test_rpc_ping ()
{
    rpc_message_t msg = {};
    char *test_string = "testing123...";
    char *url = APTERYX_SERVER".test";
    rpc_client rpc_client;
    rpc_instance rpc;
    char *value;

    CU_ASSERT ((rpc = rpc_init (RPC_TIMEOUT_US, false, test_handler)) != NULL);
    CU_ASSERT (rpc_server_bind (rpc,  url, url));
    CU_ASSERT ((rpc_client = rpc_client_connect (rpc, url)) != NULL);
    rpc_msg_encode_uint8 (&msg, MODE_TEST);
    rpc_msg_encode_string (&msg, test_string);
    CU_ASSERT (rpc_msg_send (rpc_client, &msg));
    value = rpc_msg_decode_string (&msg);
    CU_ASSERT (value && strcmp (value, test_string) == 0);
    rpc_msg_reset (&msg);
    rpc_client_release (rpc, rpc_client, false);
    CU_ASSERT (rpc_server_release (rpc, url));
    rpc_shutdown (rpc);
}

void
test_rpc_double_bind ()
{
    char *url = APTERYX_SERVER".test";
    rpc_instance rpc;
    CU_ASSERT ((rpc = rpc_init (RPC_TIMEOUT_US, false, test_handler)) != NULL);
    CU_ASSERT (rpc_server_bind (rpc,  url, url));
    CU_ASSERT (!rpc_server_bind (rpc,  url, url));
    CU_ASSERT (rpc_server_release (rpc, url));
    rpc_shutdown (rpc);
}

void
test_rpc_fork ()
{
    const char *path = TEST_PATH"/entity/zones/private/state";
    char *filename = g_strdup_printf ("/tmp/apteryx."APTERYX_CLIENT_ID, getns (), (uint64_t) getpid ());

    /* Add a watcher so that the callback socket is created */
    CU_ASSERT (apteryx_watch (path, test_watch_callback));
    CU_ASSERT (access(filename, F_OK) == 0);
    if ((fork ()) == 0)
    {
        CU_ASSERT (apteryx_unwatch (path, test_watch_callback));
        free (filename);
        /* The destructor will call apteryx_shutdown_force */
        exit (0);
    }
    usleep (TEST_SLEEP_TIMEOUT);
    CU_ASSERT (access(filename, F_OK) == 0);
    CU_ASSERT (apteryx_unwatch (path, test_watch_callback));
    free (filename);
}

void
test_rpc_perf ()
{
    rpc_message_t msg = {};
    char *test_string = "testing123...";
    char *url = APTERYX_SERVER".test";
    rpc_client rpc_client;
    rpc_instance rpc;
    uint64_t start;
    char *value;
    int i;

    CU_ASSERT ((rpc = rpc_init (RPC_TIMEOUT_US, false, test_handler)) != NULL);
    CU_ASSERT (rpc_server_bind (rpc,  url, url));
    CU_ASSERT ((rpc_client = rpc_client_connect (rpc, url)) != NULL);

    start = get_time_us ();
    for (i = 0; i < TEST_ITERATIONS; i++)
    {
        rpc_msg_encode_uint8 (&msg, MODE_TEST);
        rpc_msg_encode_string (&msg, test_string);
        CU_ASSERT (rpc_msg_send (rpc_client, &msg));
        value = rpc_msg_decode_string (&msg);
        CU_ASSERT (value && strcmp (value, test_string) == 0);
        rpc_msg_reset (&msg);
        if (!value)
            goto exit;
    }
    printf ("%"PRIu64"us ... ", (get_time_us () - start) / TEST_ITERATIONS);
exit:
    rpc_client_release (rpc, rpc_client, false);
    rpc_shutdown (rpc);
}

static pthread_t single_thread = -1;
static int
_single_thread (void *data)
{
    int fd = 0;
    struct pollfd pfd;
    uint8_t dummy = 0;

    while (fd >= 0)
    {
        fd = apteryx_process (true);
        CU_ASSERT (fd >= 0);
        pfd.fd = fd;
        pfd.events = POLLIN;
        poll (&pfd, 1, 0);
        if (read (fd, &dummy, 1) == 0)
        {
            ERROR ("Poll/Read error: %s\n", strerror (errno));
        }
    }
    return 0;
}

static void
start_single_threading ()
{
    CU_ASSERT (pthread_create (&single_thread, NULL, (void *) &_single_thread, (void *) NULL) == 0);
}

static void
stop_single_threading ()
{
    pthread_cancel (single_thread);
    pthread_join (single_thread, NULL);
    CU_ASSERT (apteryx_process (false) == -1);
}

void
test_single_index()
{
    start_single_threading ();
    test_index ();
    stop_single_threading ();
}

void
test_single_index_no_polling ()
{
    char *path = TEST_PATH"/counters/";
    GList *paths = NULL;

    apteryx_process (true);
    CU_ASSERT (apteryx_index (path, test_index_cb));
    CU_ASSERT ((paths = apteryx_search (path)) == NULL);
    CU_ASSERT (apteryx_unindex (path, test_index_cb));
    CU_ASSERT (assert_apteryx_empty ());
    apteryx_process (false);
    usleep (1.1 * RPC_TIMEOUT_US);
}

void
test_single_watch ()
{
    start_single_threading ();
    test_watch ();
    stop_single_threading ();
}

void
test_single_watch_no_polling ()
{
    _path = _value = NULL;
    const char *path = TEST_PATH"/entity/zones/private/state";
    apteryx_process (true);
    CU_ASSERT (apteryx_set_string (path, NULL, "up"));
    CU_ASSERT (apteryx_watch (path, test_watch_callback));
    CU_ASSERT (apteryx_set_string (path, NULL, "down"));
    usleep (TEST_SLEEP_TIMEOUT);
    CU_ASSERT (_path == NULL);
    CU_ASSERT (_value  == NULL);
    CU_ASSERT (apteryx_unwatch (path, test_watch_callback));
    apteryx_set_string (path, NULL, NULL);
    _watch_cleanup ();
    apteryx_process (false);
    usleep (1.1 * RPC_TIMEOUT_US);
}

void
test_single_validate()
{
    start_single_threading ();
    test_validate ();
    stop_single_threading ();
}

void
test_single_validate_no_polling ()
{
    _path = _value = NULL;
    const char *path = TEST_PATH"/entity/zones/private/state";
    apteryx_process (true);
    CU_ASSERT (apteryx_validate (path, test_validate_callback));
    CU_ASSERT (!apteryx_set_string (path, NULL, "down"));
    CU_ASSERT (apteryx_validate (path, test_validate_refuse_callback));
    CU_ASSERT (!apteryx_set_string (path, NULL, "up"));
    usleep (TEST_SLEEP_TIMEOUT);
    CU_ASSERT (apteryx_unvalidate (path, test_validate_callback));
    CU_ASSERT (apteryx_unvalidate (path, test_validate_refuse_callback));
    apteryx_set_string (path, NULL, NULL);
    apteryx_process (false);
    usleep (1.1 * RPC_TIMEOUT_US);
}

void
test_single_provide()
{
    start_single_threading ();
    test_provide ();
    stop_single_threading ();
}

void
test_single_provide_no_polling ()
{
    const char *path = TEST_PATH"/interfaces/eth0/state";
    const char *value = NULL;
    apteryx_process (true);
    CU_ASSERT (apteryx_provide (path, test_provide_callback_up));
    CU_ASSERT ((value = apteryx_get (path)) == NULL);
    apteryx_unprovide (path, test_provide_callback_up);
    CU_ASSERT (assert_apteryx_empty ());
    apteryx_process (false);
    usleep (1.1 * RPC_TIMEOUT_US);
}

static bool
test_single_watch_myself_callback (const char *path, const char *value)
{
    watch_count++;
    return true;
}

void
test_single_watch_myself ()
{
    const char *path = TEST_PATH"/entity/zones/private/state";
    int count = 64;
    int i;

    apteryx_process (true);
    watch_count = 0;
    CU_ASSERT (apteryx_watch (path, test_single_watch_myself_callback));
    for (i = 0; i < count; i++)
    {
        CU_ASSERT (apteryx_set (path, "down"));
    }
    for (i = 0; i < count; i++)
    {
        apteryx_process (true);
    }
    usleep (TEST_SLEEP_TIMEOUT);
    CU_ASSERT (watch_count == count);
    CU_ASSERT (apteryx_unwatch (path, test_single_watch_myself_callback));
    CU_ASSERT (apteryx_set (path, NULL));
    CU_ASSERT (assert_apteryx_empty ());
    apteryx_process (false);
}

void
test_single_watch_myself_blocked ()
{
    const char *path = TEST_PATH"/entity/zones/private/state";
    int fd = apteryx_process (true);
    long pipe_size = (long)fcntl(fd, F_GETPIPE_SZ);
    int count = pipe_size + 50;
    char dummy;
    int i;

    watch_count = 0;
    CU_ASSERT (apteryx_watch (path, test_single_watch_myself_callback));
    for (i = 0; i < count; i++)
    {
        CU_ASSERT (apteryx_set (path, "down"));
    }
    usleep (TEST_SLEEP_TIMEOUT);
    CU_ASSERT (fcntl (fd, F_SETFL, fcntl (fd, F_GETFL, 0) | O_NONBLOCK) == 0);
    for (i = 0; i <= count; i++)
    {
        struct pollfd poll_fd = {
            .fd = fd,
            .events = POLLIN | POLLERR | POLLHUP,
        };
        if (i == count) {
            CU_ASSERT (poll (&poll_fd, 1, 1) == 0);
            CU_ASSERT (read (fd, &dummy, 1) < 0);
        }
        else {
            CU_ASSERT (poll (&poll_fd, 1, 1) == 1 && read (fd, &dummy, 1) == 1);
            apteryx_process (true);
        }
    }
    CU_ASSERT (watch_count == count);
    CU_ASSERT (apteryx_unwatch (path, test_single_watch_myself_callback));
    CU_ASSERT (apteryx_set (path, NULL));
    CU_ASSERT (assert_apteryx_empty ());
    apteryx_process (false);
}

void
test_single_watch_tree_after_quiet ()
{
    start_single_threading ();
    test_watch_tree_after_quiet ();
    stop_single_threading ();
}

#ifdef HAVE_LUA
static bool
_run_lua (char *script)
{
    char *buffer = strdup (script);
    lua_State *L;
    char *line;
    int res = -1;

    L = luaL_newstate ();
    luaL_openlibs (L);
    line = strtok (buffer, "\n");
    while (line != NULL)
    {
        res = luaL_loadstring (L, line);
        if (res == 0)
            res = lua_pcall (L, 0, 0, 0);
        if (res != 0)
            fprintf (stderr, "%s\n", lua_tostring(L, -1));
        CU_ASSERT (res == 0);
        line = strtok (NULL,"\n");
    }
    CU_ASSERT (lua_gettop (L) == 0);
    lua_close (L);
    free (buffer);
    return res == 0;
}

void
test_lua_load (void)
{
    CU_ASSERT (_run_lua ("apteryx = require('apteryx')"));
    CU_ASSERT (assert_apteryx_empty ());
}

void
test_lua_basic_set_get (void)
{
    CU_ASSERT (_run_lua (
        "apteryx = require('apteryx')                                 \n"
        "apteryx.set('"TEST_PATH"/debug', '1')                        \n"
        "assert(apteryx.get('"TEST_PATH"/debug') == '1')              \n"
        "apteryx.set('"TEST_PATH"/debug')                             \n"
        "assert(apteryx.get('"TEST_PATH"/debug') == nil)              \n"
    ));
    CU_ASSERT (assert_apteryx_empty ());
}

void
test_lua_basic_search (void)
{
    CU_ASSERT (_run_lua (
        "apteryx = require('apteryx')                                 \n"
        "apteryx.set('"TEST_PATH"/list/eth0/name', 'eth0')            \n"
        "apteryx.set('"TEST_PATH"/list/eth1/name', 'eth1')            \n"
        "assert(next(apteryx.search('"TEST_PATH"/list')) == nil)      \n"
        "paths = apteryx.search('"TEST_PATH"/list/')                  \n"
        "assert(#paths == 2)                                          \n"
        "apteryx.set('"TEST_PATH"/list/eth0/name')                    \n"
        "apteryx.set('"TEST_PATH"/list/eth1/name')                    \n"
    ));
    CU_ASSERT (assert_apteryx_empty ());
}

void
test_lua_basic_1_star_find (void)
{
    CU_ASSERT (_run_lua (
        "apteryx = require('apteryx')                                 \n"
        "apteryx.set('"TEST_PATH"/list/eth0/name', 'eth0')            \n"
        "apteryx.set('"TEST_PATH"/list/eth1/name', 'eth1')            \n"
        "apteryx.set('"TEST_PATH"/list/eth2/name', 'eth2')            \n"
        "paths = apteryx.find('"TEST_PATH"/list/*/name', 'eth1')      \n"
        "assert(#paths == 1)                                          \n"
        "assert(paths[1] == '"TEST_PATH"/list/eth1')                  \n"
        "apteryx.set('"TEST_PATH"/list/eth0/name')                    \n"
        "apteryx.set('"TEST_PATH"/list/eth1/name')                    \n"
        "apteryx.set('"TEST_PATH"/list/eth2/name')                    \n"
    ));
    CU_ASSERT (assert_apteryx_empty ());
}

void
test_lua_basic_2_star_find (void)
{
    CU_ASSERT (_run_lua (
        "apteryx = require('apteryx')                                 \n"
        "apteryx.set('"TEST_PATH"/list/vlan1/ports/1/name', '1')      \n"
        "apteryx.set('"TEST_PATH"/list/vlan1/ports/2/name', '2')      \n"
        "apteryx.set('"TEST_PATH"/list/vlan2/ports/1/name', '1')      \n"
        "paths = apteryx.find('"TEST_PATH"/list/*/ports/*/name', '1') \n"
        "assert(#paths == 2)                                          \n"
        "assert(paths[1] == '"TEST_PATH"/list/vlan1/ports/1' or paths[2] == '"TEST_PATH"/list/vlan1/ports/1')\n"
        "assert(paths[1] == '"TEST_PATH"/list/vlan2/ports/1' or paths[2] == '"TEST_PATH"/list/vlan2/ports/1')\n"
        "apteryx.set('"TEST_PATH"/list/vlan1/ports/1/name')           \n"
        "apteryx.set('"TEST_PATH"/list/vlan1/ports/2/name')           \n"
        "apteryx.set('"TEST_PATH"/list/vlan2/ports/1/name')           \n"
    ));
    CU_ASSERT (assert_apteryx_empty ());
}

void
test_lua_basic_prune (void)
{
    CU_ASSERT (_run_lua (
        "apteryx = require('apteryx')                                 \n"
        "apteryx.set('"TEST_PATH"/list/eth0/name', 'eth0')            \n"
        "apteryx.set('"TEST_PATH"/list/eth1/name', 'eth1')            \n"
        "assert(apteryx.prune('"TEST_PATH"/list'))                    \n"
        "paths = apteryx.search('"TEST_PATH"/')                       \n"
        "assert(next(paths) == nil)                                   \n"
    ));
    CU_ASSERT (assert_apteryx_empty ());
}

void
test_lua_basic_set_tree_get_tree (void)
{
    CU_ASSERT (_run_lua (
        "apteryx = require('apteryx')                                 \n"
        "t={a='a', b={a='ba', b='bb'}, c = 'c'}                       \n"
        "apteryx.set_tree('"TEST_PATH"/t', t);                        \n"
        "t2 = apteryx.get_tree('"TEST_PATH"/t')                       \n"
        "assert (t2 and t2.a and t2.b.a)                              \n"
        "assert (#t2 == #t and #t2.b == #t.b)                         \n"
        "assert (t.a == t2.a and t.b.a == t2.b.a and t.c == t2.c)     \n"
        "apteryx.prune('"TEST_PATH"/t')                               \n"
    ));
    CU_ASSERT (assert_apteryx_empty ());
}

void
test_lua_basic_table_query (void)
{
    CU_ASSERT (_run_lua (
        "apteryx = require('apteryx')                                 \n"
        "t={a='a', b={a='ba', b='bb'}, c = 'c'}                       \n"
        "apteryx.set_tree('"TEST_PATH"/t', t);                        \n"
        "t1={test={t={a={}, b={a={}, b={}}, c={}}}}                   \n"
        "t2 = apteryx.query(t1)                                       \n"
        "assert (t2 and t2.test.t.a and t2.test.t.b.a                   "
        "    and t2.test.t.b.b)                                       \n"
        "assert (#t2 == #t1 and #t2.test.t.b == #t1.test.t.b)         \n"
        "assert (t2.test.t.a == t.a and t2.test.t.b.a == t.b.a          "
        "    and t2.test.t.b.b == t.b.b and t2.test.t.c == t.c)       \n"
        "apteryx.prune('"TEST_PATH"/t')                               \n"
    ));
    CU_ASSERT (assert_apteryx_empty ());
}

void
test_lua_basic_string_query (void)
{
    CU_ASSERT (_run_lua (
        "apteryx = require('apteryx')                                 \n"
        "t={a='a', b={a='ba', b='bb'}, c = 'c'}                       \n"
        "apteryx.set_tree('"TEST_PATH"/t', t);                        \n"
        "t1={test={t={a={}, b={a={}, b={}}, c={}}}}                   \n"
        "t2 = apteryx.query('test/t(a;b(a;b);c)')                     \n"
        "assert (t2 and t2.test.t.a and t2.test.t.b.a                   "
        "    and t2.test.t.b.b)                                       \n"
        "assert (#t2 == #t1 and #t2.test.t.b == #t1.test.t.b)         \n"
        "assert (t2.test.t.a == t.a and t2.test.t.b.a == t.b.a          "
        "    and t2.test.t.b.b == t.b.b and t2.test.t.c == t.c)       \n"
        "apteryx.prune('"TEST_PATH"/t')                               \n"
    ));
    CU_ASSERT (assert_apteryx_empty ());
}

void
test_lua_basic_timestamp (void)
{
    CU_ASSERT (_run_lua (
        "apteryx = require('apteryx')                                 \n"
        "assert(apteryx.timestamp ('/nonex') == 0)                    \n"
        "apteryx.set('"TEST_PATH"/list/eth0/name', 'eth0')            \n"
        "assert(apteryx.timestamp('"TEST_PATH"/list') ~= 0)           \n"
        "apteryx.set('"TEST_PATH"/list/eth1/name', 'eth1')            \n"
        "t1 = apteryx.timestamp('"TEST_PATH"/list/eth0')              \n"
        "t2 = apteryx.timestamp('"TEST_PATH"/list/eth1')              \n"
        "assert(t2 > t1)                                              \n"
        "t1, t2 = nil, nil                                            \n"
        "assert(apteryx.prune('"TEST_PATH"/list'))                    \n"
        "assert(apteryx.timestamp ('/list') == 0)                     \n"
    ));
    CU_ASSERT (assert_apteryx_empty ());
}

void
test_lua_basic_watch (void)
{
    CU_ASSERT (_run_lua (
            "apteryx = require('apteryx')                                 \n"
            "local v = nil                                                \n"
            "function test_watch (path, value)                              "
            "    assert (path == '"TEST_PATH"/watch')                       "
            "    assert (value == 'me')                                     "
            "    v = value                                                  "
            "end                                                          \n"
            "apteryx.watch('"TEST_PATH"/watch', test_watch)               \n"
            "apteryx.process()                                            \n"
            "apteryx.set('"TEST_PATH"/watch', 'me')                       \n"
            "apteryx.process()                                            \n"
            "assert(v == 'me')                                            \n"
            "apteryx.unwatch('"TEST_PATH"/watch', test_watch)             \n"
            "apteryx.set('"TEST_PATH"/watch')                             \n"
            "apteryx.process(false)                                       \n"
    ));
    CU_ASSERT (assert_apteryx_empty ());
}

void
test_lua_repeat_watchers (void)
{
    CU_ASSERT (_run_lua (
            "apteryx = require('apteryx')                                 \n"
            "cb_count = 0                                                 \n"
            "function test_watch (path, value)                              "
            "    cb_count = cb_count + 1                                    "
            "end                                                          \n"
            "apteryx.watch('"TEST_PATH"/watch/1', test_watch)             \n"
            "apteryx.process()                                            \n"
            "apteryx.watch('"TEST_PATH"/watch/2', test_watch)             \n"
            "apteryx.process()                                            \n"
            "apteryx.watch('"TEST_PATH"/watch/3', test_watch)             \n"
            "apteryx.process()                                            \n"
            "apteryx.set('"TEST_PATH"/watch/1', '1')                      \n"
            "apteryx.process()                                            \n"
            "apteryx.set('"TEST_PATH"/watch/2', '2')                      \n"
            "apteryx.process()                                            \n"
            "apteryx.set('"TEST_PATH"/watch/3', '3')                      \n"
            "apteryx.process()                                            \n"
            "assert (cb_count == 3)                                       \n"
            "apteryx.unwatch('"TEST_PATH"/watch/1', test_watch)           \n"
            "apteryx.unwatch('"TEST_PATH"/watch/2', test_watch)           \n"
            "apteryx.unwatch('"TEST_PATH"/watch/3', test_watch)           \n"
            "apteryx.prune('"TEST_PATH"/watch')                           \n"
            "apteryx.process(false)                                       \n"
    ));
    CU_ASSERT (assert_apteryx_empty ());
}

void
test_lua_multiple_watchers ()
{
        CU_ASSERT (_run_lua (
            "apteryx = require('apteryx')                                 \n"
            "local v1 = nil                                               \n"
            "local v2 = nil                                               \n"
            "local v3 = nil                                               \n"
            "function test_watch1 (path, value)                             "
            "    assert (path == '"TEST_PATH"/watch')                       "
            "    v1 = value                                                 "
            "end                                                          \n"
            "function test_watch2 (path, value)                             "
            "    assert (path == '"TEST_PATH"/watch')                       "
            "    v2 = value                                                 "
            "end                                                          \n"
            "function test_watch3 (path, value)                             "
            "    assert (path == '"TEST_PATH"/watch')                       "
            "    v3 = value                                                 "
            "end                                                          \n"
            "apteryx.watch('"TEST_PATH"/watch', test_watch1)              \n"
            "apteryx.process()                                            \n"
            "apteryx.watch('"TEST_PATH"/watch', test_watch2)              \n"
            "apteryx.process()                                            \n"
            "apteryx.watch('"TEST_PATH"/watch', test_watch3)              \n"
            "apteryx.process()                                            \n"
            "apteryx.set('"TEST_PATH"/watch', 'me')                       \n"
            "apteryx.process()                                            \n"
            "apteryx.process()                                            \n"
            "apteryx.process()                                            \n"
            "assert(v1 == 'me')                                           \n"
            "assert(v2 == 'me')                                           \n"
            "assert(v3 == 'me')                                           \n"
            "apteryx.unwatch('"TEST_PATH"/watch', test_watch1)            \n"
            "apteryx.process()                                            \n"
            "apteryx.set('"TEST_PATH"/watch', 'too')                      \n"
            "apteryx.process()                                            \n"
            "apteryx.process()                                            \n"
            "apteryx.process()                                            \n"
            "assert(v1 == 'me')                                           \n"
            "assert(v2 == 'too')                                          \n"
            "assert(v3 == 'too')                                          \n"
            "apteryx.unwatch('"TEST_PATH"/watch', test_watch3)            \n"
            "apteryx.process()                                            \n"
            "apteryx.set('"TEST_PATH"/watch', 'again')                    \n"
            "apteryx.process()                                            \n"
            "apteryx.process()                                            \n"
            "apteryx.process()                                            \n"
            "assert(v1 == 'me')                                           \n"
            "assert(v2 == 'again')                                        \n"
            "assert(v3 == 'too')                                          \n"
            "apteryx.unwatch('"TEST_PATH"/watch', test_watch2)            \n"
            "apteryx.set('"TEST_PATH"/watch')                             \n"
            "apteryx.process(false)                                       \n"
    ));
    CU_ASSERT (assert_apteryx_empty ());
}

void
test_lua_watch_tree (void)
{
    CU_ASSERT (_run_lua (
            "apteryx = require('apteryx')                                 \n"
            "local tree = nil                                             \n"
            "function test_watch (t)                                        "
            "    tree = t                                                   "
            "end                                                          \n"
            "apteryx.watch_tree('"TEST_PATH"/t/*', test_watch)              \n"
            "apteryx.process()                                            \n"
            "t={a='a', b={a='ba', b='bb'}, c = 'c'}                       \n"
            "apteryx.set_tree('"TEST_PATH"/t', t);                        \n"
            "apteryx.process()                                            \n"
            "assert (tree and tree['test'] and tree['test'].t)            \n"
            "t2 = tree['test'].t                                          \n"
            "assert (#t2 == #t and #t2.b == #t.b)                         \n"
            "assert (t2.a == t.a and t2.b.a == t.b.a and t2.c == t.c)     \n"
            "apteryx.unwatch('"TEST_PATH"/t/*', test_watch)                 \n"
            "apteryx.prune('"TEST_PATH"/t')                               \n"
            "apteryx.process(false)                                       \n"
    ));
    CU_ASSERT (assert_apteryx_empty ());
}

void
test_lua_watch_tree_after_quiet (void)
{
    CU_ASSERT (_run_lua (
            "apteryx = require('apteryx')                                 \n"
            "tree = nil                                                   \n"
            "cb_count = 0                                                 \n"
            "function test_watch (t)                                        "
            "    cb_count = cb_count + 1                                    "
            "    tree = t                                                   "
            "end                                                          \n"
            "apteryx.watch_tree('"TEST_PATH"/zones/*', test_watch, 50)    \n"
            "apteryx.process()                                            \n"
            "apteryx.set('"TEST_PATH"/zones/zone1', '1')                  \n"
            "apteryx.process()                                            \n"
            "os.execute('sleep 0.01')                                     \n"
            "apteryx.set('"TEST_PATH"/zones/zone2', '2')                  \n"
            "apteryx.process()                                            \n"
            "os.execute('sleep 0.01')                                     \n"
            "apteryx.set('"TEST_PATH"/zones/zone3', '3')                  \n"
            "apteryx.process()                                            \n"
            "os.execute('sleep 0.01')                                     \n"
            "apteryx.set('"TEST_PATH"/zones/zone4', '4')                  \n"
            "apteryx.process()                                            \n"
            "os.execute('sleep 0.01')                                     \n"
            "apteryx.set('"TEST_PATH"/zones/zone5', '5')                  \n"
            "apteryx.process()                                            \n"
            "os.execute('sleep 0.01')                                     \n"
            "apteryx.set('"TEST_PATH"/zones/zone5', '6')                  \n"
            "apteryx.process()                                            \n"
            "os.execute('sleep 0.01')                                     \n"
            "apteryx.set('"TEST_PATH"/zones/zone3', '')                   \n"
            "apteryx.process()                                            \n"
            "os.execute('sleep 0.1')                                      \n"
            "for i=1,8 do apteryx.process() end                           \n"
            "assert (cb_count == 1)                                       \n"
            "assert (tree and tree.test and tree.test.zones)              \n"
            "assert (tree.test.zones.zone1 == '1')                        \n"
            "assert (tree.test.zones.zone2 == '2')                        \n"
            "assert (tree.test.zones.zone3 == '')                         \n"
            "assert (tree.test.zones.zone4 == '4')                        \n"
            "assert (tree.test.zones.zone5 == '6')                        \n"
            "apteryx.unwatch('"TEST_PATH"/zones/*', test_watch)           \n"
            "apteryx.prune('"TEST_PATH"/zones')                           \n"
            "apteryx.process(false)                                       \n"
    ));
    CU_ASSERT (assert_apteryx_empty ());
}

void
test_lua_multiple_watch_tree_after_quiet (void)
{
    CU_ASSERT (_run_lua (
            "apteryx = require('apteryx')                                 \n"
            "cb_count1 = 0                                                \n"
            "cb_count2 = 0                                                \n"
            "function test_watch1 (t)                                       "
            "    cb_count1 = cb_count1 + 1                                  "
            "end                                                          \n"
            "function test_watch2 (t)                                       "
            "    cb_count2 = cb_count2 + 1                                  "
            "end                                                          \n"
            "apteryx.watch_tree('"TEST_PATH"/watch1/*', test_watch1, 50)  \n"
            "apteryx.watch_tree('"TEST_PATH"/watch1/*', test_watch2, 50)  \n"
            "apteryx.watch_tree('"TEST_PATH"/watch2/*', test_watch2, 50)  \n"
            "apteryx.process()                                            \n"
            "apteryx.set('"TEST_PATH"/watch1/1', '1')                     \n"
            "apteryx.set('"TEST_PATH"/watch1/1', '2')                     \n"
            "apteryx.set('"TEST_PATH"/watch1/2', '3')                     \n"
            "apteryx.set('"TEST_PATH"/watch2/2', '1')                     \n"
            "apteryx.set('"TEST_PATH"/watch2/2', '2')                     \n"
            "for i=1,8 do apteryx.process() end                           \n"
            "os.execute('sleep 0.1')                                      \n"
            "for i=1,5 do apteryx.process() end                           \n"
            "assert (cb_count1 == 1)                                      \n"
            "assert (cb_count2 == 2)                                      \n"
            "apteryx.unwatch('"TEST_PATH"/watch1/*', test_watch1)         \n"
            "apteryx.unwatch('"TEST_PATH"/watch1/*', test_watch2)         \n"
            "apteryx.unwatch('"TEST_PATH"/watch2/*', test_watch2)         \n"
            "apteryx.prune('"TEST_PATH"/watch1')                          \n"
            "apteryx.prune('"TEST_PATH"/watch2')                          \n"
            "apteryx.process(false)                                       \n"
    ));
    CU_ASSERT (assert_apteryx_empty ());
}

void
test_lua_watch_delayed_early_cleanup (void)
{
    /* Stop single threaded mode while there is queued work */
    CU_ASSERT (_run_lua (
            "apteryx = require('apteryx')                                 \n"
            "cb_count = 0                                                 \n"
            "function test_watch (t)                                        "
            "    cb_count = cb_count + 1                                    "
            "end                                                          \n"
            "apteryx.watch_tree('"TEST_PATH"/watch/*', test_watch, 50)    \n"
            "apteryx.process()                                            \n"
            "apteryx.set('"TEST_PATH"/watch/1', '1')                      \n"
            "apteryx.process()                                            \n"
            "assert (cb_count == 0)                                       \n"
            "apteryx.unwatch('"TEST_PATH"/watch/*', test_watch)           \n"
            "apteryx.process(false)                                       \n"
    ));
    apteryx_prune (TEST_PATH"/watch");
    CU_ASSERT (assert_apteryx_empty ());
}

void
test_lua_watch_delayed_thrash (void)
{
    /* High chance of delayed work making it to the single threaded queue */
    CU_ASSERT (_run_lua (
            "apteryx = require('apteryx')                                 \n"
            "cb_count = 0                                                 \n"
            "function test_watch (t)                                        "
            "    cb_count = cb_count + 1                                    "
            "end                                                          \n"
            "apteryx.watch_tree('"TEST_PATH"/watch/*', test_watch, 1)     \n"
            "apteryx.process()                                            \n"
            "for i=1,"G_STRINGIFY (TEST_ITERATIONS)" do                     "
            "    apteryx.set('"TEST_PATH"/watch/' .. i, i)                  "
            "    apteryx.process()                                          "
            "    apteryx.process()                                          "
            "end                                                          \n"
            "apteryx.unwatch('"TEST_PATH"/watch/*', test_watch)           \n"
            "apteryx.process(false)                                       \n"
    ));
    apteryx_prune (TEST_PATH"/watch");
    CU_ASSERT (assert_apteryx_empty ());
}

static int
test_lua_refresh_thread (void *data)
{
    CU_ASSERT (_run_lua (
            "apteryx = require('apteryx')                                 \n"
            "function test_refresh (path)                                   "
            "    assert (path == '"TEST_PATH"/refresh')                     "
            "    apteryx.set('"TEST_PATH"/refresh', 'me')                   "
            "    return 0                                                   "
            "end                                                          \n"
            "apteryx.refresh('"TEST_PATH"/refresh', test_refresh)         \n"
            "for i=1,5 do                                                  "
            "    apteryx.process()                                          "
            "    os.execute('sleep 0.1')                                    "
            "end                                                          \n"
            "apteryx.unrefresh('"TEST_PATH"/refresh', test_refresh)       \n"
            "apteryx.set('"TEST_PATH"/refresh')                           \n"
            "apteryx.process(false)                                       \n"
    ));
    return 0;
}

void
test_lua_basic_refresh (void)
{
    pthread_t client;
    char *value = NULL;

    pthread_create (&client, NULL, (void *) &test_lua_refresh_thread, (void *) NULL);
    usleep (TEST_SLEEP_TIMEOUT);
    CU_ASSERT ((value = apteryx_get (TEST_PATH"/refresh")) != NULL);
    CU_ASSERT (value && strcmp (value, "me") == 0);
    if (value)
        free ((void *) value);
    pthread_join (client, NULL);
    usleep (TEST_SLEEP_TIMEOUT);
    CU_ASSERT (assert_apteryx_empty ());
}

static int
test_lua_provide_thread (void *data)
{
    CU_ASSERT (_run_lua (
            "apteryx = require('apteryx')                                 \n"
            "function test_provide (path)                                   "
            "    assert (path == '"TEST_PATH"/provide')                     "
            "    return 'me'                                                "
            "end                                                          \n"
            "apteryx.provide('"TEST_PATH"/provide', test_provide)         \n"
            "for i=1,5 do                                                  "
            "    apteryx.process()                                          "
            "    os.execute('sleep 0.1')                                    "
            "end                                                          \n"
            "apteryx.unprovide('"TEST_PATH"/provide', test_provide)       \n"
            "apteryx.process(false)                                       \n"
    ));
    return 0;
}

void
test_lua_basic_provide (void)
{
    pthread_t client;
    char *value = NULL;

    pthread_create (&client, NULL, (void *) &test_lua_provide_thread, (void *) NULL);
    usleep (TEST_SLEEP_TIMEOUT);
    CU_ASSERT ((value = apteryx_get (TEST_PATH"/provide")) != NULL);
    CU_ASSERT (value && strcmp (value, "me") == 0);
    if (value)
        free ((void *) value);
    pthread_join (client, NULL);
    usleep (TEST_SLEEP_TIMEOUT);
    CU_ASSERT (assert_apteryx_empty ());
}

static int
test_lua_provide_nil_thread (void *data)
{
    CU_ASSERT (_run_lua (
            "apteryx = require('apteryx')                                 \n"
            "function test_provide (path)                                   "
            "    assert (path == '"TEST_PATH"/provide')                     "
            "    return nil                                                 "
            "end                                                          \n"
            "apteryx.provide('"TEST_PATH"/provide', test_provide)         \n"
            "for i=1,5 do                                                  "
            "    apteryx.process()                                          "
            "    os.execute('sleep 0.1')                                    "
            "end                                                          \n"
            "apteryx.unprovide('"TEST_PATH"/provide', test_provide)       \n"
            "apteryx.process(false)                                       \n"
    ));
    return 0;
}

void
test_lua_provide_nil (void)
{
    pthread_t client;
    char *value = NULL;

    pthread_create (&client, NULL, (void *) &test_lua_provide_nil_thread, (void *) NULL);
    usleep (TEST_SLEEP_TIMEOUT);
    CU_ASSERT ((value = apteryx_get (TEST_PATH"/provide")) == NULL);
    if (value)
        free ((void *) value);
    pthread_join (client, NULL);
    usleep (TEST_SLEEP_TIMEOUT);
    CU_ASSERT (assert_apteryx_empty ());
}

static int
test_lua_index_thread (void *data)
{
    CU_ASSERT (_run_lua (
            "apteryx = require('apteryx')                                 \n"
            "function test_index (path)                                   "
            "    assert (path == '"TEST_PATH"/index/')                     "
            "    return {'"TEST_PATH"/index/dog','"TEST_PATH"/index/cat'}  "
            "end                                                          \n"
            "apteryx.index('"TEST_PATH"/index/', test_index)              \n"
            "for i=1,5 do                                                  "
            "    apteryx.process()                                          "
            "    os.execute('sleep 0.1')                                    "
            "end                                                          \n"
            "apteryx.unindex('"TEST_PATH"/index/', test_index)            \n"
            "apteryx.process(false)                                       \n"
    ));
    return 0;
}

void
test_lua_basic_index (void)
{
    pthread_t client;
    GList *paths = NULL;

    pthread_create (&client, NULL, (void *) &test_lua_index_thread, (void *) NULL);
    usleep (TEST_SLEEP_TIMEOUT);
    CU_ASSERT ((paths = apteryx_search (TEST_PATH"/index/")) != NULL);
    CU_ASSERT (g_list_length (paths) == 2);
    CU_ASSERT (g_list_find_custom (paths, TEST_PATH"/index/dog", (GCompareFunc) strcmp) != NULL);
    CU_ASSERT (g_list_find_custom (paths, TEST_PATH"/index/cat", (GCompareFunc) strcmp) != NULL);
    g_list_free_full (paths, free);
    pthread_join (client, NULL);
    usleep (TEST_SLEEP_TIMEOUT);
    CU_ASSERT (assert_apteryx_empty ());
}

static int
test_lua_validate_thread (void *data)
{
    CU_ASSERT (_run_lua (
            "apteryx = require('apteryx')                                 \n"
            "function test_validate (path, value)                           "
            "    assert (path == '"TEST_PATH"/validate')                    "
            "    return value == 'cat' and -22 or 0                          "
            "end                                                          \n"
            "apteryx.validate('"TEST_PATH"/validate', test_validate)      \n"
            "for i=1,5 do                                                  "
            "    apteryx.process()                                          "
            "    os.execute('sleep 0.1')                                    "
            "end                                                          \n"
            "apteryx.unvalidate('"TEST_PATH"/validate', test_validate)    \n"
            "apteryx.process(false)                                       \n"
    ));
    return 0;
}

void
test_lua_basic_validate (void)
{
    pthread_t client;

    pthread_create (&client, NULL, (void *) &test_lua_validate_thread, (void *) NULL);
    usleep (TEST_SLEEP_TIMEOUT);
    CU_ASSERT (apteryx_set (TEST_PATH"/validate", "dog"));
    CU_ASSERT (!apteryx_set (TEST_PATH"/validate", "cat") && errno == -EINVAL);
    CU_ASSERT (apteryx_set (TEST_PATH"/validate", NULL));
    pthread_join (client, NULL);
    usleep (TEST_SLEEP_TIMEOUT);
    CU_ASSERT (assert_apteryx_empty ());
}

static inline unsigned long
_memory_usage (void)
{
    unsigned long memory;
    FILE *f = fopen ("/proc/self/statm","r");
    CU_ASSERT (1 == fscanf (f, "%*d %ld %*d %*d %*d %*d %*d", &memory))
    fclose (f);
    return memory * getpagesize () / 1024;
}

void
test_lua_load_memory (void)
{
    lua_State *L;
    unsigned long before;
    unsigned long after;
    int res = -1;

    before = _memory_usage ();
    L = luaL_newstate ();
    luaL_openlibs (L);
    res = luaL_loadstring (L, "apteryx = require('apteryx')");
    if (res == 0)
        res = lua_pcall (L, 0, 0, 0);
    if (res != 0)
        fprintf (stderr, "%s\n", lua_tostring(L, -1));
    after = _memory_usage ();
    lua_close (L);
    printf ("%ldkb ... ", (after - before));
    CU_ASSERT (res == 0);
}

void
test_lua_load_performance (void)
{
    uint64_t start;
    int i;

    start = get_time_us ();
    for (i = 0; i < TEST_ITERATIONS; i++)
    {
        CU_ASSERT (_run_lua ("apteryx = require('apteryx')"));
    }
    printf ("%"PRIu64"us ... ", (get_time_us () - start) / TEST_ITERATIONS);
    CU_ASSERT (assert_apteryx_empty ());
}

void
test_lua_perf_get ()
{
    lua_State *L;
    uint64_t start;
    int i;

    for (i = 0; i < TEST_ITERATIONS; i++)
    {
        char *path = NULL;
        CU_ASSERT (asprintf(&path, TEST_PATH"/list/%d/name", i) > 0);
        apteryx_set (path, "private");
        free (path);
    }
    L = luaL_newstate ();
    luaL_openlibs (L);
    CU_ASSERT (luaL_loadstring (L, "apteryx = require('apteryx')") == 0);
    CU_ASSERT(lua_pcall (L, 0, 0, 0) == 0);
    start = get_time_us ();
    for (i = 0; i < TEST_ITERATIONS; i++)
    {
        char *cmd = NULL;
        int res;
        CU_ASSERT (asprintf(&cmd, "assert(apteryx.get('"TEST_PATH"/list/%d/name') ~= nil)", i) > 0);
        res = luaL_loadstring (L, cmd);
        if (res == 0)
            res = lua_pcall (L, 0, 0, 0);
        if (res != 0)
            fprintf (stderr, "%s\n", lua_tostring(L, -1));
        if (res != 0)
            goto exit;
        free (cmd);
    }
    printf ("%"PRIu64"us ... ", (get_time_us () - start) / TEST_ITERATIONS);
exit:
    lua_close (L);
    for (i = 0; i < TEST_ITERATIONS; i++)
    {
        char *path = NULL;
        CU_ASSERT (asprintf(&path, TEST_PATH"/list/%d/name", i) > 0);
        CU_ASSERT (apteryx_set (path, NULL));
        free (path);
    }
    CU_ASSERT (assert_apteryx_empty ());
}

void
test_lua_perf_set ()
{
    lua_State *L;
    uint64_t start;
    int i;

    L = luaL_newstate ();
    luaL_openlibs (L);
    CU_ASSERT (luaL_loadstring (L, "apteryx = require('apteryx')") == 0);
    CU_ASSERT(lua_pcall (L, 0, 0, 0) == 0);
    start = get_time_us ();
    for (i = 0; i < TEST_ITERATIONS; i++)
    {
        char *cmd = NULL;
        int res;
        CU_ASSERT (asprintf(&cmd, "assert(apteryx.set('"TEST_PATH"/list/%d/name', 'private'))", i) > 0);
        res = luaL_loadstring (L, cmd);
        if (res == 0)
            res = lua_pcall (L, 0, 0, 0);
        if (res != 0)
            fprintf (stderr, "%s\n", lua_tostring(L, -1));
        if (res != 0)
            goto exit;
        free (cmd);
    }
    printf ("%"PRIu64"us ... ", (get_time_us () - start) / TEST_ITERATIONS);
exit:
    lua_close (L);
    for (i = 0; i < TEST_ITERATIONS; i++)
    {
        char *path = NULL;
        CU_ASSERT (asprintf(&path, TEST_PATH"/list/%d/name", i) > 0);
        CU_ASSERT (apteryx_set (path, NULL));
        free (path);
    }
    CU_ASSERT (assert_apteryx_empty ());
}

void
test_lua_perf_watch (void)
{
    uint64_t start = get_time_us ();
    CU_ASSERT (_run_lua (
            "apteryx = require('apteryx')                                 \n"
            "cb_count = 0                                                 \n"
            "function test_watch (t)                                        "
            "    cb_count = cb_count + 1                                    "
            "end                                                          \n"
            "apteryx.watch('"TEST_PATH"/watch/*', test_watch)             \n"
            "apteryx.process()                                            \n"
            "for i=1,"G_STRINGIFY (TEST_ITERATIONS)" do                     "
            "    apteryx.set('"TEST_PATH"/watch/' .. i, i)                  "
            "    apteryx.process()                                          "
            "    apteryx.process()                                          "
            "end                                                          \n"
            "assert (cb_count == "G_STRINGIFY (TEST_ITERATIONS)")         \n"
            "apteryx.unwatch('"TEST_PATH"/watch/*', test_watch)           \n"
            "apteryx.process(false)                                       \n"
    ));
    printf ("%"PRIu64"us ... ", (get_time_us () - start) / TEST_ITERATIONS);
    apteryx_prune (TEST_PATH"/watch");
    CU_ASSERT (assert_apteryx_empty ());
}
#endif

static int
suite_init (void)
{
    return 0;
}

static int
suite_clean (void)
{
    return 0;
}

static CU_TestInfo tests_api[] = {
    { "doc example", test_docs },
    { "initialisation", test_init },
    { "set and get", test_set_get },
    { "set with ack", test_set_with_ack },
    { "raw byte streams", test_set_get_raw },
    { "long path", test_set_get_long_path },
    { "large value", test_set_get_large_value },
    { "multiple leaves", test_multiple_leaves },
    { "set/get string", test_set_get_string },
    { "set/get int", test_set_get_int },
    { "has_value", test_set_has_value },
    { "get no value", test_get_no_value },
    { "overwrite", test_overwrite },
    { "delete", test_delete },
    { "search paths", test_search_paths },
    { "search root path", test_search_paths_root },
    { "multi threads writing to same table", test_thread_multi_write },
    { "multi processes writing to same table", test_process_multi_write },
    { "prune", test_prune },
    { "prune root", test_prune_root },
    { "prune thread-safe", test_prune_thread_safe},
    { "cas", test_cas },
    { "cas string", test_cas_string },
    { "cas int", test_cas_int },
    { "bitmap", test_bitmap },
    { "shutdown deadlock", test_deadlock },
    { "shutdown deadlock 2", test_deadlock2 },
    { "remote path contains colon", test_remote_path_colon },
    { "double fork", test_double_fork },
    { "timestamp", test_timestamp },
    { "timestamp refreshed", test_timestamp_refreshed },
    { "timestamp provider", test_timestamp_provider },
    { "memuse", test_memuse },
    { "path to node", test_path_to_node },
    CU_TEST_INFO_NULL,
};

static CU_TestInfo tests_api_index[] = {
    { "index", test_index },
    { "index wildcard", test_index_wildcard },
    { "index before db", test_index_before_db },
    { "index replace handler", test_index_replace_handler },
    { "index no handler", test_index_no_handler },
    { "index remove handler", test_index_remove_handler },
    { "index x/* with provide x/*", test_index_and_provide },
    { "index x/* with provide x/* and get tree", test_index_and_provide_get_tree },
    { "indexer writes to database", test_index_writes },
    { "index path ends with /", test_index_always_ends_with_slash },
    { "index returns earlier path", test_index_recursive },
    CU_TEST_INFO_NULL,
};

static CU_TestInfo tests_api_watch[] = {
    { "watch", test_watch },
    { "watch root styles", test_watch_root_styles },
    { "watch set from different thread", test_watch_thread },
    { "watch set from different process", test_watch_fork },
    { "watch no match", test_watch_no_match },
    { "watch remove", test_watch_remove },
    { "watch unset wildcard path", test_watch_unset_wildcard_path },
    { "watch one level path", test_watch_one_level_path },
    { "watch one level miss", test_watch_one_level_miss },
    { "watch prune", test_watch_prune },
    { "watch prune multiple", test_watch_prune_multiple },
    { "watch one level path prune", test_watch_one_level_path_prune },
    { "watch empty path prune", test_watch_empty_path_prune },
    { "watch wildpath", test_watch_wildpath },
    { "watch wildcard", test_watch_wildcard },
    { "watch wildcard not last", test_watch_wildcard_not_last },
    { "watch wildcard miss", test_watch_wildcard_miss },
    { "watch set callback get", test_watch_set_callback_get },
    { "watch set callback unwatch", test_watch_set_callback_unwatch },
    { "watch set callback set recursive", test_watch_set_callback_set_recursive },
    { "watch set multi callback set", test_watch_set_multi_callback_set },
    { "watch and set from another thread", test_watch_set_thread },
    { "watch adds / removes watches", test_watch_adds_watch },
    { "watch removes multiple watches", test_watch_removes_all_watches },
    { "watch when busy", test_watch_when_busy },
    { "watch order", test_watch_order },
    { "watch rpc restart", test_watch_rpc_restart },
    { "watch myself blocked", test_watch_myself_blocked },
    { "watch and watch_with_ack in same thread", test_watch_ack_thread },
    { "watch called with correct sigmask", test_watch_sigmask},
    CU_TEST_INFO_NULL,
};

static CU_TestInfo tests_api_validate[] = {
    { "validate", test_validate },
    { "validate one level", test_validate_one_level },
    { "validate wildcard", test_validate_wildcard },
    { "validate wildcard internal", test_validate_wildcard_internal },
    { "validate conflicting", test_validate_conflicting },
    { "validate tree", test_validate_tree },
    { "validate from watch callback", test_validate_from_watch_callback },
    { "validate from many watches", test_validate_from_many_watches },
    { "validate set order", test_validate_ordering },
    { "validate tree order", test_validate_ordering_tree },
    { "validate prune", test_validate_prune },
    CU_TEST_INFO_NULL,
};

static CU_TestInfo tests_api_refresh[] = {
    { "refresh", test_refresh },
    { "refresh unneeded", test_refresh_unneeded },
    { "refresh timeout", test_refresh_timeout },
    { "refresh trunk", test_refresh_trunk },
    { "refresh tree simple", test_refresh_tree },
    { "refresh directory", test_refresh_directory },
    { "refresh during get_tree", test_refresh_during_get_tree },
    { "refresh search", test_refresh_search },
    { "refresh subpath search", test_refresh_subpath_search },
    { "refresh traverse simple", test_refresh_traverse },
    { "refresh traverse deeper", test_refresh_traverse_deeper },
    { "refresh path empty", test_refresh_path_empty },
    { "refresh path other old", test_refresh_path_other_old },
    { "refresh no change", test_refresh_no_change },
    { "refresh tree no change", test_refresh_tree_no_change },
    { "refresh no slash", test_refresh_no_slash },
    { "refresh path matches", test_refresh_path_matches },
    { "refresh collision", test_refresh_collision },
    { "refresh concurrent", test_refresh_concurrent },
    { "refresh various wildcards", test_refresh_wildcards },
    { "refresh multiple", test_refresh_multiple },
    { "refresh different depths", test_refresh_different_depths },
    { "refresh more specific first", test_refresh_more_specific_first },
    { "refresh more specific second", test_refresh_more_specific_second },
    { "refresh node substring", test_refresh_node_substring },
    { "refresh multiple branches", test_refresh_multiple_branches },
    { "refresh called with correct sigmask", test_refresh_sigmask },
    CU_TEST_INFO_NULL,
};

static CU_TestInfo tests_api_provide[] = {
    { "provide", test_provide },
    { "provider timeout", test_provide_timeout },
    { "provide replace handler", test_provide_replace_handler },
    { "provide no handler", test_provide_no_handler },
    { "provide remove handler", test_provide_remove_handler },
    { "provide from different threads", test_provide_different_thread },
    { "provide from different process", test_provide_different_process },
    { "provide callback get", test_provide_callback_get },
    { "provide callback get null", test_provide_callback_get_null },
    { "provide search", test_provide_search },
    { "provide search root", test_provide_search_root },
    { "provide wildcard + search", test_provider_wildcard_search },
    { "provide and db search", test_provide_search_db },
    { "provide before db", test_provide_before_db },
    { "provider wildcard", test_provider_wildcard },
    { "provider wildcard internal", test_provider_wildcard_internal },
    { "provider search exact provide", test_search_of_provide },
    { "provider directory search", test_search_of_provider_slash },
    { "provider wildcard search", test_search_of_provider_wildcard },
    { "provider lower directory search", test_search_of_lower_directory_provider },
    { "provider lower wildcard search", test_search_of_lower_wildcard_provider },
    { "provider intermediate wildcard search", test_search_of_intermediate_wildcard },
    CU_TEST_INFO_NULL,
};

static CU_TestInfo tests_api_proxy[] = {
    { "proxy get", test_proxy_get },
    { "proxy tree get", test_proxy_tree_get },
    { "proxy tree query", test_proxy_tree_query },
    { "proxy set", test_proxy_set },
    { "proxy not listening", test_proxy_not_listening },
    { "proxy before db get", test_proxy_before_db_get },
    { "proxy before db set", test_proxy_before_db_set },
    { "proxy set validated", test_proxy_set_validated },
    { "proxy search", test_proxy_search },
    { "proxy prune", test_proxy_prune },
    { "proxy timestamp", test_proxy_timestamp },
    { "proxy cas", test_proxy_cas },
    CU_TEST_INFO_NULL,
};

static CU_TestInfo tests_api_tree[] = {
    { "tree doc example", test_tree_docs },
    { "tree nodes", test_tree_nodes },
    { "tree nodes deep", test_tree_nodes_deep },
    { "tree nodes wide", test_tree_nodes_wide },
    { "tree find children", test_tree_find_children },
    { "tree find node", test_tree_path_node },
    { "tree sort children", test_tree_sort_children },
    { "test uniqify requires sorting", test_uniqify_nodes_requires_sorting },
    { "test uniqify with multi-level collision", test_uniqify_nodes_multiple_level_collision },
    { "test uniqify with value collision after sorting", test_uniqify_nodes_multiple_level_value_collision },
    { "test uniqify destroyer", test_uniqify_nodes_dynamic_memory },
    { "test uniqify with apteryx_path_to_node", test_uniqify_apteryx_path_to_node },
    { "set tree", test_set_tree },
    { "set tree empty", test_set_tree_empty },
    { "set tree long end nodes", test_set_tree_long_end_nodes },
    { "set tree long intermediate node", test_set_tree_long_intermediate_node },
    { "set tree order", test_set_tree_order },
    { "get tree", test_get_tree },
    { "get tree single node", test_get_tree_single_node },
    { "get tree value on_branch", test_get_tree_value_on_branch },
    { "get tree null", test_get_tree_null },
    { "get tree indexed/provided", test_get_tree_indexed_provided },
    { "get tree indexed/provided wildcards", test_get_tree_indexed_provided_wildcards },
    { "get tree indexed/provided deeper", test_get_tree_indexed_provided_two_levels },
    { "get tree provided", test_get_tree_provided },
    { "get tree provided before db", test_get_tree_provided_before_db },
    { "get tree provided + set", test_get_tree_provided_plus_set },
    { "get tree provider writes", test_get_tree_provider_write },
    { "get tree thrashing" , test_get_tree_while_thrashing },
    { "query2node invalid" , test_query2node_invalid },
    { "query2node empty root no slash", test_query2node_empty_root_no_slash },
    { "query2node empty root slash", test_query2node_empty_root_slash },
    { "query2node single field", test_query2node_single_field },
    { "query2node double field", test_query2node_double_field },
    { "query2node single field path", test_query2node_single_field_path },
    { "query2node double field path", test_query2node_double_field_path },
    { "query2node double field merge path", test_query2node_double_field_merge_path },
    { "query2node one path two nodes", test_query2node_one_path_two_nodes },
    { "query2node two paths two nodes", test_query2node_two_path_two_nodes },
    { "query2node two paths merge two nodes", test_query2node_two_path_merge_two_nodes },
    { "query2node deep nodes", test_query2node_deep_nodes },
    { "query2node deep paths", test_query2node_deep_paths },
    { "query empty", test_query_empty },
    { "query null path", test_query_null_path },
    { "query basic", test_query_basic},
    { "query subtree root", test_query_subtree_root},
    { "query one level", test_query_one_level},
    { "query one star", test_query_one_star},
    { "query one star traverse", test_query_one_star_traverse},
    { "query multi star traverse", test_query_multi_star_traverse},
    { "query one star one level", test_query_one_star_one_level},
    { "query multi star one level", test_query_multi_star_one_level},
    { "query two star", test_query_two_star},
    { "query null values", test_query_null_values},
    { "query two branches", test_query_two_branches},
    { "query provided", test_query_provided},
    { "query provided before db", test_query_provided_before_db},
    { "query provided and refreshed", test_query_provided_refreshed},
    { "query provided trunk request", test_query_trunk_provided},
    { "query provided wildcard",  test_query_provided_wildcard},
    { "query provided wildcards", test_query_provided_wildcards},
    { "query refresh exact query exact", test_query_refresh_exact_query_exact},
    { "query refresh exact query trunk", test_query_refresh_exact_query_trunk},
    { "query refresh exact query root", test_query_refresh_exact_query_root},
    { "query refresh exact query mid", test_query_refresh_exact_query_mid},
    { "query refresh exact query multi", test_query_refresh_exact_query_multi},
    { "query refresh trunk query exact", test_query_refresh_trunk_query_exact},
    { "query refresh trunk query trunk", test_query_refresh_trunk_query_trunk},
    { "query refresh trunk query root", test_query_refresh_trunk_query_root},
    { "query refresh trunk query mid", test_query_refresh_trunk_query_mid},
    { "query refresh trunk query multi", test_query_refresh_trunk_query_multi},
    { "query refresh root query exact", test_query_refresh_root_query_exact},
    { "query refresh root query trunk", test_query_refresh_root_query_trunk},
    { "query refresh root query root", test_query_refresh_root_query_root},
    { "query refresh root query mid", test_query_refresh_root_query_mid},
    { "query refresh root query multi", test_query_refresh_root_query_multi},
    { "query refresh mid query exact", test_query_refresh_mid_query_exact},
    { "query refresh mid query trunk", test_query_refresh_mid_query_trunk},
    { "query refresh mid query root", test_query_refresh_mid_query_root},
    { "query refresh mid query mid", test_query_refresh_mid_query_mid},
    { "query refresh mid query multi", test_query_refresh_mid_query_multi},
    { "query refresh multi query exact", test_query_refresh_multi_query_exact},
    { "query refresh multi query trunk", test_query_refresh_multi_query_trunk},
    { "query refresh multi query root", test_query_refresh_multi_query_root},
    { "query refresh multi query mid", test_query_refresh_multi_query_mid},
    { "query refresh multi query multi", test_query_refresh_multi_query_multi},
    { "query refreshed multi branches", test_query_refreshed_multi_branches},
    { "query refreshed once", test_query_refreshed_once},
    { "query not refreshed one path", test_query_not_refreshed_one_path},
    { "query not refreshed two paths", test_query_not_refreshed_two_paths},
    { "query not refreshed different root", test_query_not_refreshed_different_roots},
    { "query not refreshed mid wildcard", test_query_not_refreshed_mid_wildcard},
    { "query refreshed timeout", test_query_refreshed_timeout},
    { "query root length", test_query_long_root},
    { "query too long", test_query_too_long},
    { "query value on branch", test_query_value_on_branch},
    { "query filter one match", test_query_full_one_match },
    { "query filter two lists", test_query_full_two_lists },
    { "query filter provided / refreshed", test_query_full_refreshed_provided },
    /* These cryptic names mean list level x number of matches / data level x matches */
    { "query filter level 1x1, 2x1, data 1x1", test_query_cats_with_flat_toy },
    { "query filter level 2x1, data 1x1", test_query_pets_with_ball },
    { "query filter level 3x1, data 1x1", test_query_pets_with_leather_toy },
    { "query filter level 2x1, 3x1, data 1x1",  test_query_animals_with_a_leather_ball },
    { "query filter level 2x1 + 3x1, data 1x1",  test_query_animals_with_a_ball_and_a_leather_toy },
    { "query filter level 1x1, data 2*", test_query_all_dog_toys },
    { "query filter level 1x1, 2x1, data 3*", test_query_materials_for_smokeys_balls },
    { "query filter level 2x2, data 3*", test_query_materials_for_flat_balls },
    { "query filter level 1x1, 2x1, 3x1", test_query_does_a_dog_have_a_leather_ball },
    { "query filter level 2x2, 3x1, data 1x1", test_query_who_owns_the_flat_leather_ball },
    { "query filter level 2x1, data 3*", test_query_all_ball_materials },
    { "query filter requires provided value", test_query_filter_on_provided },
    { "query filter response contains provided value", test_query_filter_selects_provided },
    { "query filter doesn't call provied value if not required", test_query_filter_avoids_provided },
    { "cas tree", test_cas_tree},
    { "cas tree detailed", test_cas_tree_detailed},
    { "tree atomic", test_tree_atomic},
    { "watch tree", test_watch_tree },
    { "watch tree wildcard", test_watch_tree_wildcard },
    { "watch tree no match", test_watch_tree_no_match },
    { "watch tree remove", test_watch_tree_remove },
    { "watch tree prune", test_watch_tree_prune },
    { "watch tree prune tree", test_watch_tree_prune_tree },
    { "watch tree one level", test_watch_tree_one_level },
    { "watch tree one level multi", test_watch_tree_one_level_multi },
    { "watch tree one level miss", test_watch_tree_one_level_miss },
    { "watch tree after quiet", test_watch_tree_after_quiet },
    { "watch tree after quiet merged", test_watch_tree_after_quiet_merged },
    { "watch tree masked set local", test_watch_tree_masked_set_local },
    { "watch tree masked set other", test_watch_tree_masked_set_other },
    { "watch tree masked after quiet", test_watch_tree_masked_after_quiet },
    CU_TEST_INFO_NULL,
};

static CU_TestInfo tests_find[] = {
    { "find simple", test_find_one_star },
    { "find multi *", test_find_two_star },
    { "find end *", test_find_end_star },
    { "find simple tree", test_find_tree_one_star },
    { "find empty tree", test_find_empty },
    { "find multi * tree", test_find_tree_two_star },
    { "find with null entry", test_find_tree_null_values },
    CU_TEST_INFO_NULL,
};

static CU_TestInfo tests_single_threaded[] = {
    { "single-threaded index", test_single_index },
    { "single-threaded index no polling", test_single_index_no_polling },
    { "single-threaded watch", test_single_watch },
    { "single-threaded watch no polling", test_single_watch_no_polling },
    { "single-threaded validate", test_single_validate },
    { "single-threaded validate no polling", test_single_validate_no_polling },
    { "single-threaded provide", test_single_provide },
    { "single-threaded provide no polling", test_single_provide_no_polling },
    { "single-threaded watch myself", test_single_watch_myself },
    { "single-threaded watch myself blocked", test_single_watch_myself_blocked },
    { "single-threaded watch tree after quiet", test_single_watch_tree_after_quiet },
    CU_TEST_INFO_NULL,
};

static CU_TestInfo tests_performance[] = {
    { "performance: dummy", test_perf_dummy },
    { "performance: set", test_perf_set },
    { "performance: set(tcp)", test_perf_tcp_set },
    { "performance: set tree (tcp)", test_perf_tcp_set_tree },
    { "performance: set(tcp6)", test_perf_tcp6_set },
    { "performance: set tree 50", test_perf_set_tree },
    { "performance: set tree 5000", test_perf_set_tree_5000 },
    { "performance: set tree 50000", test_perf_set_tree_50000 },
    { "performance: set tree 50000 watched", test_perf_set_tree_50000_watched },
    { "performance: set tree 150000 watched", test_perf_set_tree_150000_watched },
    { "performance: set tree real", test_perf_set_tree_real },
    { "performance: get", test_perf_get },
    { "performance: get(tcp)", test_perf_tcp_get },
    { "performance: get(tcp6)", test_perf_tcp6_get },
    { "performance: get tree 50", test_perf_get_tree },
    { "performance: get tree 10000", test_perf_get_tree_10000 },
    { "performance: get tree 20000", test_perf_get_tree_20000 },
    { "performance: get tree 30000", test_perf_get_tree_30000 },
    { "performance: get tree 40000", test_perf_get_tree_40000 },
    { "performance: get tree 50000", test_perf_get_tree_50000 },
    { "performance: get tree 60000", test_perf_get_tree_60000 },
    { "performance: get tree 70000", test_perf_get_tree_70000 },
    { "performance: get tree 80000", test_perf_get_tree_80000 },
    { "performance: get tree real", test_perf_get_tree_real },
    { "performance: get null", test_perf_get_null },
    { "performance: search", test_perf_search },
    { "performance: watch", test_perf_watch },
    { "performance: provide", test_perf_provide },
    { "performance: large prune (10000 level 1 nodes, 20000 level 2 nodes)", test_perf_prune },
    CU_TEST_INFO_NULL,
};

CU_TestInfo tests_rpc[] = {
    { "unix req", test_unix_req_latency },
    { "unix req/resp", test_unix_req_resp_latency },
    { "unix con/disc", test_unix_con_disc_latency },
    { "unix c/r/r/d", test_unix_con_req_resp_disc_latency},
    { "tcp req", test_tcp_req_latency },
    { "tcp req/resp", test_tcp_req_resp_latency },
    { "tcp con/disc", test_tcp_con_disc_latency },
    { "tcp c/r/r/d", test_tcp_con_req_resp_disc_latency},
    { "rpc init", test_rpc_init },
    { "rpc bind", test_rpc_bind },
    { "rpc connect", test_rpc_connect },
    { "rpc ping", test_rpc_ping },
    { "rpc double bind", test_rpc_double_bind },
    { "rpc fork", test_rpc_fork },
    { "rpc perf", test_rpc_perf },
    CU_TEST_INFO_NULL,
};

#ifdef HAVE_LUA
CU_TestInfo tests_lua[] = {
    { "lua load module",test_lua_load },
    { "lua basic set get", test_lua_basic_set_get },
    { "lua basic search", test_lua_basic_search },
    { "lua basic 1 star find", test_lua_basic_1_star_find },
    { "lua basic 2 star find", test_lua_basic_2_star_find },
    { "lua basic prune", test_lua_basic_prune },
    { "lua basic set_tree get_tree", test_lua_basic_set_tree_get_tree},
    { "lua basic table query", test_lua_basic_table_query},
    { "lua basic string query", test_lua_basic_string_query},
    { "lua basic timestamp", test_lua_basic_timestamp },
    { "lua basic watch", test_lua_basic_watch },
    { "lua repeat watchers", test_lua_repeat_watchers },
    { "lua multiple watchers", test_lua_multiple_watchers },
    { "lua watch tree", test_lua_watch_tree },
    { "lua watch tree after quiet", test_lua_watch_tree_after_quiet },
    { "lua multiple watch tree after quiet", test_lua_multiple_watch_tree_after_quiet },
    { "lua watch delayed early cleanup",test_lua_watch_delayed_early_cleanup },
    { "lua watch delayed thrash", test_lua_watch_delayed_thrash },
    { "lua basic refresh", test_lua_basic_refresh },
    { "lua basic provide", test_lua_basic_provide },
    { "lua provide nil", test_lua_provide_nil },
    { "lua basic index", test_lua_basic_index },
    { "lua basic validate", test_lua_basic_validate },
    { "lua load memory usage", test_lua_load_memory },
    { "lua load performance", test_lua_load_performance },
    { "lua get performance", test_lua_perf_get },
    { "lua set performance", test_lua_perf_set },
    { "lua watch performance", test_lua_perf_watch },
    CU_TEST_INFO_NULL,
};
#endif

extern CU_TestInfo tests_database[];
extern CU_TestInfo tests_callbacks[];

static CU_SuiteInfo suites[] = {
    {
        .pName = "Database",
        .pInitFunc = suite_init,
        .pCleanupFunc = suite_clean,
        .pTests = tests_database
    },
    {
        .pName = "Callbacks",
        .pInitFunc = suite_init,
        .pCleanupFunc = suite_clean,
        .pTests = tests_callbacks
    },
    {
        .pName = "RPC",
        .pInitFunc = suite_init,
        .pCleanupFunc = suite_clean,
        .pTests = tests_rpc
    },
    #ifdef HAVE_LUA
    {
        .pName = "LUA",
        .pInitFunc = suite_init,
        .pCleanupFunc = suite_clean,
        .pTests = tests_lua
    },
    #endif
    {
        .pName = "Apteryx API",
        .pInitFunc = suite_init,
        .pCleanupFunc = suite_clean,
        .pTests = tests_api
    },
    {
        .pName = "Apteryx API Index",
        .pInitFunc = suite_init,
        .pCleanupFunc = suite_clean,
        .pTests = tests_api_index
    },
    {
        .pName = "Apteryx API Tree",
        .pInitFunc = suite_init,
        .pCleanupFunc = suite_clean,
        .pTests = tests_api_tree
    },
    {
        .pName = "Apteryx API Watch",
        .pInitFunc = suite_init,
        .pCleanupFunc = suite_clean,
        .pTests = tests_api_watch
    },
    {
        .pName = "Apteryx API Validate",
        .pInitFunc = suite_init,
        .pCleanupFunc = suite_clean,
        .pTests = tests_api_validate
    },
    {
        .pName = "Apteryx API Refresh",
        .pInitFunc = suite_init,
        .pCleanupFunc = suite_clean,
        .pTests = tests_api_refresh
    },
    {
        .pName = "Apteryx API Provide",
        .pInitFunc = suite_init,
        .pCleanupFunc = suite_clean,
        .pTests = tests_api_provide
    },
    {
        .pName = "Apteryx API Proxy",
        .pInitFunc = suite_init,
        .pCleanupFunc = suite_clean,
        .pTests = tests_api_proxy
    },
    {
        .pName = "Apteryx API Find",
        .pInitFunc = suite_init,
        .pCleanupFunc = suite_clean,
        .pTests = tests_find
    },
    {
        .pName = "Apteryx API Single Threaded",
        .pInitFunc = suite_init,
        .pCleanupFunc = suite_clean,
        .pTests = tests_single_threaded
    },
    {
        .pName = "Apteryx Performance",
        .pInitFunc = suite_init,
        .pCleanupFunc = suite_clean,
        .pTests = tests_performance
    },
    CU_SUITE_INFO_NULL,
};

void
run_unit_tests (const char *filter)
{
    /* Initialize the CUnit test registry */
    if (CUE_SUCCESS != CU_initialize_registry ())
        return;
    assert (NULL != CU_get_registry ());
    assert (!CU_is_test_running ());

    /* Make some random numbers */
    srand (time (NULL));

    /* Add tests */
    CU_SuiteInfo *suite = &suites[0];
    while (suite && suite->pName)
    {
        /* Default to running all tests of a suite */
        bool all = true;
        if (filter && strstr (suite->pName, filter) != NULL)
            all = true;
        else if (filter)
            all = false;
        CU_pSuite pSuite = CU_add_suite(suite->pName, suite->pInitFunc, suite->pCleanupFunc);
        if (pSuite == NULL)
        {
            fprintf (stderr, "suite registration failed - %s\n", CU_get_error_msg ());
            exit (EXIT_FAILURE);
        }
        CU_TestInfo *test = &suite->pTests[0];
        while (test && test->pName)
        {
            if (
#ifdef __SANITIZE_ADDRESS__
                /* Do not run performance or fork tests if using the address sanitizer */
                (all && !filter && !strstr (test->pName, "perf") &&
                 !strstr (test->pName, "fork") && !strstr (test->pName, "deadlock")) ||
#else
                all ||
#endif
                (filter && strstr (test->pName, filter))
                )
            {
                if (CU_add_test(pSuite, test->pName, test->pTestFunc) == NULL)
                {
                    fprintf (stderr, "test registration failed - %s\n", CU_get_error_msg ());
                    exit (EXIT_FAILURE);
                }
            }
            test++;
        }
        suite++;
    }

    /* Run all tests using the CUnit Basic interface */
    CU_basic_set_mode (CU_BRM_VERBOSE);
    CU_set_error_action (CUEA_IGNORE);
    CU_basic_run_tests ();
    CU_cleanup_registry ();
    return;
}