more unit tests

Author: ZNeumann

agent/tests/test_memcached.c

@@ -0,0 +1,95 @@
+/*
+ * Copyright 2020 New Relic Corporation. All rights reserved.
+ * SPDX-License-Identifier: Apache-2.0
+ */
+#include "tlib_php.h"
+#include "tlib_datastore.h"
+
+#include "php_agent.h"
+#include "php_memcached.h"
+#include "util_system.h"
+
+tlib_parallel_info_t parallel_info
+    = {.suggested_nthreads = -1, .state_size = 0};
+
+static char* system_host_name;
+
+static void test_create_datastore_instance(void) {
+  /*
+   * Test : Normal operation.
+   */
+  assert_datastore_instance_equals_destroy(
+      "named socket",
+      &((nr_datastore_instance_t){
+          .host = system_host_name,
+          .database_name = "unknown",
+          .port_path_or_id = "/tmp/memcached.sock",
+      }),
+      nr_php_memcached_create_datastore_instance("/tmp/memcached.sock", 0));
+
+  assert_datastore_instance_equals_destroy(
+      "empty socket",
+      &((nr_datastore_instance_t){
+          .host = system_host_name,
+          .database_name = "unknown",
+          .port_path_or_id = "unknown",
+      }),
+      nr_php_memcached_create_datastore_instance("", 0));
+
+  assert_datastore_instance_equals_destroy(
+      "empty host",
+      &((nr_datastore_instance_t){
+          .host = "unknown",
+          .database_name = "unknown",
+          .port_path_or_id = "6379",
+      }),
+      nr_php_memcached_create_datastore_instance("", 6379));
+
+  assert_datastore_instance_equals_destroy(
+      "localhost socket",
+      &((nr_datastore_instance_t){
+          .host = system_host_name,
+          .database_name = "unknown",
+          .port_path_or_id = "localhost",
+      }),
+      nr_php_memcached_create_datastore_instance("localhost", 0));
+
+  assert_datastore_instance_equals_destroy(
+      "localhost and port",
+      &((nr_datastore_instance_t){
+          .host = system_host_name,
+          .database_name = "unknown",
+          .port_path_or_id = "6379",
+      }),
+      nr_php_memcached_create_datastore_instance("localhost", 6379));
+
+  assert_datastore_instance_equals_destroy(
+      "host.name socket",
+      &((nr_datastore_instance_t){
+          .host = system_host_name,
+          .database_name = "unknown",
+          .port_path_or_id = "host.name",
+      }),
+      nr_php_memcached_create_datastore_instance("host.name", 0));
+
+  assert_datastore_instance_equals_destroy(
+      "host and port",
+      &((nr_datastore_instance_t){
+          .host = "host.name",
+          .database_name = "unknown",
+          .port_path_or_id = "6379",
+      }),
+      nr_php_memcached_create_datastore_instance("host.name", 6379));
+}
+
+void test_main(void* p NRUNUSED) {
+#if defined(ZTS) && !defined(PHP7)
+  void*** tsrm_ls = NULL;
+#endif /* ZTS && !PHP7 */
+
+  system_host_name = nr_system_get_hostname();
+
+  test_create_datastore_instance();
+
+  nr_free(system_host_name);
+}