test: add unit testing for policy factory

Problem: the policy factory in the resource module has no
unit testing.

Solution: add a series of unit tests to validate the parsing
and selection of policy options in the factory.

resource/policies/base/test/CMakeLists.txt

@@ -1,3 +1,9 @@
+add_executable(matcher_policy_factory_test
+  ${CMAKE_CURRENT_SOURCE_DIR}/matcher_policy_factory_test02.cpp
+  )
+target_link_libraries(matcher_policy_factory_test PRIVATE libtap resource)
+add_sanitizers(matcher_policy_factory_test)
+flux_add_test(NAME matcher_policy_factory_test COMMAND matcher_policy_factory_test)
 add_executable(matcher_util_api_test
   ${CMAKE_CURRENT_SOURCE_DIR}/matcher_util_api_test01.cpp
   )

resource/policies/base/test/matcher_policy_factory_test02.cpp

@@ -0,0 +1,70 @@
+/*****************************************************************************\
+ * Copyright 2024 Lawrence Livermore National Security, LLC
+ * (c.f. AUTHORS, NOTICE.LLNS, LICENSE)
+ *
+ * This file is part of the Flux resource manager framework.
+ * For details, see https://github.com/flux-framework.
+ *
+ * SPDX-License-Identifier: LGPL-3.0
+\*****************************************************************************/
+
+/*
+ * Test for the dfu_match_policy class(es). Compares shared pointers
+ * expected values to string inputs to these classes. Strings can be
+ * specified in config for custom policies, or some are provided.
+ */
+
+extern "C" {
+#if HAVE_CONFIG_H
+#include <config.h>
+#endif
+}
+
+#include <string>
+#include <boost/lexical_cast.hpp>
+#include "resource/policies/dfu_match_policy_factory.hpp"
+#include "src/common/libtap/tap.h"
+
+using namespace Flux;
+using namespace Flux::resource_model;
+
+int test_parsers ()
+{
+    std::map<std::string, bool> container;
+    bool first = Flux::resource_model::parse_custom_match_policy("high=true node_centric=true node_exclusive=true stop_on_1_matches=false blah=4", container);
+    ok (first == false, "blah is an unrecognized policy option");
+
+    std::map<std::string, bool> container2;
+    bool second = Flux::resource_model::parse_custom_match_policy("high=1 node_centric=true node_exclusive=true stop_on_1_matches=false", container2);
+    ok (second == false, "1 is an invalid option, must be true or false");
+
+    std::map<std::string, bool> container3;
+    bool third = Flux::resource_model::parse_custom_match_policy("high=true node_centric=true stop_on_1_matches=true", container3);
+    ok (third == true, "first is a valid policy");
+
+    bool fourth = Flux::resource_model::parse_bool_match_options ("high", container3);
+    ok (fourth == true, "policy first uses option high");
+
+    bool fifth = Flux::resource_model::parse_bool_match_options ("node_centric", container3);
+    ok (fifth == true, "policy first uses option node_centric");
+
+    bool sixth = Flux::resource_model::parse_bool_match_options ("stop_on_1_matches", container3);
+    ok (sixth == true, "policy first uses option stop_on_1_matches");
+
+    bool seventh = Flux::resource_model::parse_bool_match_options ("low", container3);
+    ok (seventh == false, "policy first does not use option low");
+
+    return 0;
+}
+
+int main (int argc, char *argv[])
+{
+    plan (7);
+    test_parsers ();
+    done_testing ();
+    return 0;
+}
+
+/*
+ * vi: ts=4 sw=4 expandtab
+ */