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-rw-r--r--fluent-bit/tests/internal/metrics.c83
1 files changed, 83 insertions, 0 deletions
diff --git a/fluent-bit/tests/internal/metrics.c b/fluent-bit/tests/internal/metrics.c
new file mode 100644
index 00000000..08f8bc70
--- /dev/null
+++ b/fluent-bit/tests/internal/metrics.c
@@ -0,0 +1,83 @@
+/* -*- Mode: C; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
+
+#include <fluent-bit/flb_info.h>
+#include <fluent-bit/flb_mem.h>
+#include <fluent-bit/flb_error.h>
+#include <fluent-bit/flb_metrics.h>
+
+#include "flb_tests_internal.h"
+
+static void test_create_usage()
+{
+ int ret;
+ int id_1;
+ int id_2;
+ int id_3;
+ struct flb_metric *m;
+ struct flb_metrics *ctx;
+
+ /* Create and destroy */
+ ctx = flb_metrics_create("metrics");
+ TEST_CHECK(ctx != NULL);
+ ret = flb_metrics_destroy(ctx);
+ TEST_CHECK(ret == 0);
+
+ /* Register one metric */
+ ctx = flb_metrics_create("metrics");
+ id_1 = flb_metrics_add(-1, "sample", ctx);
+ TEST_CHECK(id_1 == 0);
+ ret = flb_metrics_destroy(ctx);
+ TEST_CHECK(ret == 1);
+
+ /* Duplicate metric ID, it should fail */
+ ctx = flb_metrics_create("metrics");
+ id_1 = flb_metrics_add(-1, "sample 1", ctx);
+ id_2 = flb_metrics_add(0, "sample 2", ctx);
+ TEST_CHECK(id_2 == -1);
+ ret = flb_metrics_destroy(ctx);
+ TEST_CHECK(ret == 1);
+
+ /* Auto ID */
+ ctx = flb_metrics_create("ctx");
+ id_1 = flb_metrics_add(-1, "sample 1", ctx);
+ id_2 = flb_metrics_add(-1, "sample 2", ctx);
+ id_3 = flb_metrics_add(-1, "sample 3", ctx);
+ TEST_CHECK(id_1 == 0);
+ TEST_CHECK(id_2 == 1);
+ TEST_CHECK(id_3 == 2);
+ ret = flb_metrics_destroy(ctx);
+ TEST_CHECK(ret == 3);
+
+ /* Update values */
+ ctx = flb_metrics_create("ctx");
+ id_1 = flb_metrics_add(-1, "sample 1", ctx);
+ id_2 = flb_metrics_add(-1, "sample 2", ctx);
+ id_3 = flb_metrics_add(5, "sample 3", ctx);
+ TEST_CHECK(id_1 == 0);
+ TEST_CHECK(id_2 == 1);
+ TEST_CHECK(id_3 == 5);
+
+ ret = flb_metrics_sum(id_1, 2001, ctx);
+ TEST_CHECK(ret == 0);
+
+ ret = flb_metrics_sum(id_2, 2017, ctx);
+ TEST_CHECK(ret == 0);
+
+ ret = flb_metrics_sum(1234, 0, ctx);
+ TEST_CHECK(ret == -1);
+
+ ret = flb_metrics_sum(id_3, 1, ctx);
+ TEST_CHECK(ret == 0);
+
+ m = flb_metrics_get_id(id_3, ctx);
+ TEST_CHECK(m != NULL);
+ TEST_CHECK(m->val == 1);
+
+ ret = flb_metrics_destroy(ctx);
+ TEST_CHECK(ret == 3);
+}
+
+TEST_LIST = {
+ { "create_usage", test_create_usage},
+ { 0 }
+};