1 files changed, 62 insertions, 0 deletions
diff --git a/test/core/statistics/census_stub_test.cc b/test/core/statistics/census_stub_test.cc
new file mode 100644
index 0000000000..507ae0a9fa
--- /dev/null
+++ b/test/core/statistics/census_stub_test.cc
@@ -0,0 +1,62 @@
+/*
+ *
+ * Copyright 2015 gRPC 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 <stdio.h>
+#include <stdlib.h>
+
+#include <grpc/support/alloc.h>
+#include <grpc/support/log.h>
+#include "src/core/ext/census/census_interface.h"
+#include "src/core/ext/census/census_rpc_stats.h"
+#include "test/core/util/test_config.h"
+
+/* Tests census noop stubs in a simulated rpc flow */
+void test_census_stubs(void) {
+  census_op_id op_id;
+  census_rpc_stats* stats = census_rpc_stats_create_empty();
+  census_aggregated_rpc_stats data_map = {0, NULL};
+
+  /* Initializes census library at server start up time. */
+  census_init();
+  /* Starts tracing at the beginning of a rpc. */
+  op_id = census_tracing_start_op();
+  /* Appends custom annotations on a trace object. */
+  census_tracing_print(op_id, "annotation foo");
+  census_tracing_print(op_id, "annotation bar");
+  /* Appends method tag on the trace object. */
+  census_add_method_tag(op_id, "service_foo/method.bar");
+  /* Either record client side stats or server side stats associated with the
+     op_id. Here for testing purpose, we record both. */
+  census_record_rpc_client_stats(op_id, stats);
+  census_record_rpc_server_stats(op_id, stats);
+  /* Ends a tracing. */
+  census_tracing_end_op(op_id);
+  /* In process stats queries. */
+  census_get_server_stats(&data_map);
+  census_aggregated_rpc_stats_set_empty(&data_map);
+  census_get_client_stats(&data_map);
+  census_aggregated_rpc_stats_set_empty(&data_map);
+  gpr_free(stats);
+  census_shutdown();
+}
+
+int main(int argc, char** argv) {
+  grpc_test_init(argc, argv);
+  test_census_stubs();
+  return 0;
+}