out_clodwatch_logs: tests: Add a testcase for metrics type of events

Signed-off-by: Hiroshi Hatake <[email protected]>

Author: cosmo0920

tests/runtime/out_cloudwatch.c

@@ -46,6 +46,52 @@ void flb_test_cloudwatch_success(void)
     flb_destroy(ctx);
 }
 
+/* It writes a json/emf formatted metrics */
+void flb_test_cloudwatch_success_with_metrics(void)
+{
+    int ret;
+    flb_ctx_t *ctx;
+    int in_ffd;
+    int out_ffd;
+
+    /* mocks calls- signals that we are in test mode */
+    setenv("FLB_CLOUDWATCH_PLUGIN_UNDER_TEST", "true", 1);
+
+    ctx = flb_create();
+    flb_service_set(ctx,
+                    "Flush", "0.200000000",
+                    "Grace", "1",
+                    NULL);
+
+    /* Input */
+    in_ffd = flb_input(ctx, (char *) "fluentbit_metrics", NULL);
+    TEST_CHECK(in_ffd >= 0);
+    ret = flb_input_set(ctx, in_ffd, "tag", "test", NULL);
+    TEST_CHECK(ret == 0);
+    ret = flb_input_set(ctx, in_ffd, "scrape_on_start", "true", NULL);
+    TEST_CHECK(ret == 0);
+    ret = flb_input_set(ctx, in_ffd, "scrape_interval", "1", NULL);
+    TEST_CHECK(ret == 0);
+
+    out_ffd = flb_output(ctx, (char *) "cloudwatch_logs", NULL);
+    TEST_CHECK(out_ffd >= 0);
+    flb_output_set(ctx, out_ffd,"match", "test", NULL);
+    flb_output_set(ctx, out_ffd,"region", "us-west-2", NULL);
+    flb_output_set(ctx, out_ffd,"log_format", "json_emf", NULL);
+    flb_output_set(ctx, out_ffd,"log_group_name", "fluent-health", NULL);
+    flb_output_set(ctx, out_ffd,"log_stream_prefix", "from-cmetrics-", NULL);
+    flb_output_set(ctx, out_ffd,"auto_create_group", "On", NULL);
+    flb_output_set(ctx, out_ffd,"net.keepalive", "Off", NULL);
+    flb_output_set(ctx, out_ffd,"Retry_Limit", "1", NULL);
+
+    ret = flb_start(ctx);
+    TEST_CHECK(ret == 0);
+
+    sleep(2);
+    flb_stop(ctx);
+    flb_destroy(ctx);
+}
+
 void flb_test_cloudwatch_already_exists_create_group(void)
 {
     int ret;
@@ -350,6 +396,7 @@ void flb_test_cloudwatch_error_put_retention_policy(void)
 /* Test list */
 TEST_LIST = {
     {"success", flb_test_cloudwatch_success },
+    {"success_with_metrics", flb_test_cloudwatch_success_with_metrics},
     {"group_already_exists", flb_test_cloudwatch_already_exists_create_group },
     {"stream_already_exists", flb_test_cloudwatch_already_exists_create_stream },
     {"create_group_error", flb_test_cloudwatch_error_create_group },