1 files changed, 118 insertions, 0 deletions
diff --git a/test/core/security/grpc_alts_credentials_options_test.cc b/test/core/security/grpc_alts_credentials_options_test.cc
new file mode 100644
index 0000000000..1217065507
--- /dev/null
+++ b/test/core/security/grpc_alts_credentials_options_test.cc
@@ -0,0 +1,118 @@
+/*
+ *
+ * Copyright 2018 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 <string.h>
+
+#include <grpc/grpc.h>
+#include <grpc/support/log.h>
+
+#include "src/core/lib/security/credentials/alts/grpc_alts_credentials_options.h"
+
+#define ALTS_CLIENT_OPTIONS_TEST_TARGET_SERVICE_ACCOUNT_1 "abc@google.com"
+#define ALTS_CLIENT_OPTIONS_TEST_TARGET_SERVICE_ACCOUNT_2 "def@google.com"
+
+const size_t kTargetServiceAccountNum = 2;
+
+static void test_add_target_service_account_failure() {
+  /* Initialization. */
+  grpc_alts_credentials_options* options =
+      grpc_alts_credentials_client_options_create();
+  auto client_options =
+      reinterpret_cast<grpc_alts_credentials_client_options*>(options);
+
+  /* Test. */
+  GPR_ASSERT(!grpc_alts_credentials_client_options_add_target_service_account(
+      client_options, nullptr));
+  GPR_ASSERT(!grpc_alts_credentials_client_options_add_target_service_account(
+      nullptr, ALTS_CLIENT_OPTIONS_TEST_TARGET_SERVICE_ACCOUNT_1));
+
+  /* Cleanup. */
+  grpc_alts_credentials_options_destroy(options);
+}
+
+static void test_copy_client_options_failure() {
+  /* Initialization. */
+  grpc_alts_credentials_options* options =
+      grpc_alts_credentials_client_options_create();
+
+  /* Test. */
+  GPR_ASSERT(grpc_alts_credentials_options_copy(nullptr) == nullptr);
+
+  /* Cleanup. */
+  grpc_alts_credentials_options_destroy(options);
+}
+
+static size_t get_target_service_account_num(
+    grpc_alts_credentials_client_options* options) {
+  size_t num = 0;
+  target_service_account* node = options->target_account_list_head;
+  while (node != nullptr) {
+    num++;
+    node = node->next;
+  }
+  return num;
+}
+
+static void test_client_options_api_success() {
+  /* Initialization. */
+  grpc_alts_credentials_options* options =
+      grpc_alts_credentials_client_options_create();
+  auto client_options =
+      reinterpret_cast<grpc_alts_credentials_client_options*>(options);
+
+  /* Set client options fields. */
+  grpc_alts_credentials_client_options_add_target_service_account(
+      client_options, ALTS_CLIENT_OPTIONS_TEST_TARGET_SERVICE_ACCOUNT_1);
+  grpc_alts_credentials_client_options_add_target_service_account(
+      client_options, ALTS_CLIENT_OPTIONS_TEST_TARGET_SERVICE_ACCOUNT_2);
+
+  /* Validate client option fields. */
+  GPR_ASSERT(get_target_service_account_num(client_options) ==
+             kTargetServiceAccountNum);
+  GPR_ASSERT(strcmp(client_options->target_account_list_head->data,
+                    ALTS_CLIENT_OPTIONS_TEST_TARGET_SERVICE_ACCOUNT_2) == 0);
+  GPR_ASSERT(strcmp(client_options->target_account_list_head->next->data,
+                    ALTS_CLIENT_OPTIONS_TEST_TARGET_SERVICE_ACCOUNT_1) == 0);
+
+  /* Perform a copy operation and validate its correctness. */
+  grpc_alts_credentials_options* new_options =
+      grpc_alts_credentials_options_copy(options);
+  auto new_client_options =
+      reinterpret_cast<grpc_alts_credentials_client_options*>(new_options);
+
+  GPR_ASSERT(get_target_service_account_num(new_client_options) ==
+             kTargetServiceAccountNum);
+  GPR_ASSERT(strcmp(new_client_options->target_account_list_head->data,
+                    ALTS_CLIENT_OPTIONS_TEST_TARGET_SERVICE_ACCOUNT_2) == 0);
+  GPR_ASSERT(strcmp(new_client_options->target_account_list_head->next->data,
+                    ALTS_CLIENT_OPTIONS_TEST_TARGET_SERVICE_ACCOUNT_1) == 0);
+
+  /* Cleanup.*/
+  grpc_alts_credentials_options_destroy(options);
+  grpc_alts_credentials_options_destroy(new_options);
+}
+
+int main(int argc, char** argv) {
+  /* Test. */
+  test_add_target_service_account_failure();
+  test_copy_client_options_failure();
+  test_client_options_api_success();
+  return 0;
+}