tests: runtime: processor_metrics_selector: check if works as an output processor

Signed-off-by: Thiago Padilha <[email protected]>

Author: tchrono

tests/runtime/processor_metrics_selector.c

@@ -549,6 +549,70 @@ void flb_test_selector_substring_exclude(void)
     flb_destroy(ctx);
 }
 
+void flb_test_selector_can_modify_output(void)
+{
+    int ret;
+    flb_ctx_t *ctx;
+    int in_ffd;
+    int out_ffd;
+    struct flb_processor *proc;
+    struct flb_processor_unit *pu;
+    struct cfl_variant var = {
+        .type = CFL_VARIANT_STRING,
+        .data.as_string = "/kubernetes/",
+    };
+    struct cfl_variant action = {
+        .type = CFL_VARIANT_STRING,
+        .data.as_string = "include",
+    };
+
+    ctx = flb_create();
+    flb_service_set(ctx,
+                    "Flush", "0.200000000",
+                    "Grace", "2",
+                    NULL);
+
+    proc = flb_processor_create(ctx->config, "unit_test", NULL, 0);
+    TEST_CHECK(proc != NULL);
+
+    pu = flb_processor_unit_create(proc, FLB_PROCESSOR_METRICS, "metrics_selector");
+    TEST_CHECK(pu != NULL);
+    ret = flb_processor_unit_set_property(pu, "metric_name", &var);
+    TEST_CHECK(ret == 0);
+    ret = flb_processor_unit_set_property(pu, "action", &action);
+    TEST_CHECK(ret == 0);
+
+    /* Input */
+    in_ffd = flb_input(ctx, (char *) "event_type", 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, "type", "metrics", NULL);
+    TEST_CHECK(ret == 0);
+    ret = flb_input_set(ctx, in_ffd, "interval_sec", "1", NULL);
+    TEST_CHECK(ret == 0);
+
+    out_ffd = flb_output(ctx, (char *) "stdout", NULL);
+    TEST_CHECK(out_ffd >= 0);
+    ret = flb_output_set(ctx, out_ffd, "match", "test", NULL);
+    TEST_CHECK(ret == 0);
+    ret = flb_output_set(ctx, out_ffd, "format", "msgpack", NULL);
+    TEST_CHECK(ret == 0);
+
+    /* set up processor */
+    ret = flb_output_set_processor(ctx, out_ffd, proc);
+    TEST_CHECK(ret == 0);
+
+    clear_output_num();
+
+    ret = flb_start(ctx);
+    TEST_CHECK(ret == 0);
+
+    flb_time_msleep(1500); /* waiting flush */
+
+    flb_stop(ctx);
+    flb_destroy(ctx);
+}
 #endif
 
 /* Test list */
@@ -560,6 +624,7 @@ TEST_LIST = {
     {"prefix_exclude", flb_test_selector_prefix_exclude},
     {"substring_include", flb_test_selector_substring_include},
     {"substring_exclude", flb_test_selector_substring_exclude},
+    {"can_modify_output", flb_test_selector_can_modify_output},
 #endif
     {NULL, NULL}
 };