1 files changed, 173 insertions, 0 deletions
diff --git a/src/fluent-bit/tests/runtime/out_datadog.c b/src/fluent-bit/tests/runtime/out_datadog.c
new file mode 100644
index 000000000..26cd81fb4
--- /dev/null
+++ b/src/fluent-bit/tests/runtime/out_datadog.c
@@ -0,0 +1,173 @@
+/* -*- Mode: C; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
+
+/*  Fluent Bit
+ *  ==========
+ *  Copyright (C) 2019-2020 The Fluent Bit Authors
+ *
+ *  Licensed under the Apache License, Version 2.0 (the "License");
+ *  you may not use this file except in compliance with the License.
+ *  You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ *  Unless required by applicable law or agreed to in writing, software
+ *  distributed under the License is distributed on an "AS IS" BASIS,
+ *  WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ *  See the License for the specific language governing permissions and
+ *  limitations under the License.
+ */
+
+#include <fluent-bit.h>
+#include <fluent-bit/flb_pack.h>
+#include <fluent-bit/flb_record_accessor.h>
+#include <fluent-bit/flb_ra_key.h>
+
+#include "flb_tests_runtime.h"
+
+/* JSON payload example */
+#include "data/datadog/json.h"
+
+/*
+ * Fluent Bit Datadog plugin, always set as payload a JSON strings contained in a
+ * 'sds'. Since we want to validate specific keys and it values we expose here some
+ * helper functions to make testing easier.
+ *
+ * The approach is:
+ *
+ * - Convert formatter JSON to msgpack
+ * - use the helper function to check keys and values
+ *
+ * it returns FLB_TRUE if expected 'key/val' matches or FLB_FALSE if 'key' no exists
+ * or if there is a mismatch.
+ */
+static int mp_kv_cmp(char *json_data, size_t json_len, char *key_accessor, char *val)
+{
+    int ret;
+    int type;
+    char *mp_buf = NULL;
+    size_t mp_size;
+    size_t off = 0;
+    msgpack_object map;
+    msgpack_unpacked result;
+    struct flb_ra_value *rval = NULL;
+    struct flb_record_accessor *ra = NULL;
+
+    /* Convert JSON to msgpack */
+    ret = flb_pack_json((const char *) json_data, json_len, &mp_buf, &mp_size,
+                        &type, NULL);
+    TEST_CHECK(ret != -1);
+
+    /* Set return status */
+    ret = FLB_FALSE;
+
+    /* Unpack msgpack and reference the main 'map' */
+    msgpack_unpacked_init(&result);
+    ret = msgpack_unpack_next(&result, mp_buf, mp_size, &off);
+    TEST_CHECK(ret == MSGPACK_UNPACK_SUCCESS);
+    map = result.data;
+
+    /* Create a record_accessor context */
+    ra = flb_ra_create(key_accessor, FLB_TRUE);
+    if (!ra) {
+        flb_error("invalid record accessor key, aborting test");
+        goto out;
+    }
+
+    rval = flb_ra_get_value_object(ra, map);
+    TEST_CHECK(rval != NULL);
+    msgpack_unpacked_destroy(&result);
+    if (!rval) {
+        goto out;
+    }
+
+    /* We only validate strings, feel free to expand it as needed */
+    TEST_CHECK(rval->type == FLB_RA_STRING);
+    if (strcmp(rval->val.string, val) == 0) {
+        ret = FLB_TRUE;
+    }
+
+ out:
+    if (rval) {
+        flb_ra_key_value_destroy(rval);
+    }
+    if (ra) {
+        flb_ra_destroy(ra);
+    }
+    if (mp_buf) {
+        flb_free(mp_buf);
+    }
+    return ret;
+}
+
+static void cb_check_dd_properties(void *ctx, int ffd,
+                                   int res_ret, void *res_data, size_t res_size,
+                                   void *data)
+{
+    int ret;
+
+    /* source */
+    ret = mp_kv_cmp((char *) res_data + 1, res_size - 2, "$ddsource", "my-app");
+    TEST_CHECK(ret == FLB_TRUE);
+
+    /* service */
+    ret = mp_kv_cmp((char *) res_data + 1, res_size - 2, "$service", "my-app-service");
+    TEST_CHECK(ret == FLB_TRUE);
+
+    /* ddtags */
+    ret = mp_kv_cmp((char *) res_data + 1, res_size - 2, "$ddtags", "project:dev");
+    TEST_CHECK(ret == FLB_TRUE);
+
+    flb_sds_destroy(res_data);
+}
+
+void flb_test_dd_properties()
+{
+    int ret;
+    flb_ctx_t *ctx;
+    int in_ffd;
+    int out_ffd;
+
+    /* Create context, flush every second (some checks omitted here) */
+    ctx = flb_create();
+    flb_service_set(ctx, "flush", "1", "grace", "1", NULL);
+
+    /* Lib input mode */
+    in_ffd = flb_input(ctx, (char *) "lib", NULL);
+    flb_input_set(ctx, in_ffd, "tag", "test", NULL);
+
+    /* Datadog output */
+    out_ffd = flb_output(ctx, (char *) "datadog", NULL);
+    flb_output_set(ctx, out_ffd,
+                   "match", "test",
+                   "provider", "ecs",
+                   "dd_service", "my-app-service",
+                   "dd_source", "my-app",
+                   "dd_tags",   "project:dev",
+                   "apikey", "abc",
+                   NULL);
+
+    /* Enable test mode */
+    ret = flb_output_set_test(ctx, out_ffd, "formatter",
+                              cb_check_dd_properties,
+                              NULL, NULL);
+
+    /* Start */
+    ret = flb_start(ctx);
+    TEST_CHECK(ret == 0);
+
+    sleep(1);
+
+    /* Ingest data sample */
+    flb_lib_push(ctx, in_ffd, (char *) JSON, sizeof(JSON) - 1);
+
+    sleep(2);
+
+    flb_stop(ctx);
+    flb_destroy(ctx);
+}
+
+/* Test list */
+TEST_LIST = {
+    { "dd_properties", flb_test_dd_properties },
+    { NULL, NULL}
+};