unit test for client_context_test_peer.h

test/cpp/test/client_context_test_peer_test.cc

@@ -0,0 +1,82 @@
+/*
+ *
+ * Copyright 2021 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 <grpcpp/test/client_context_test_peer.h>
+
+#include <cstring>
+#include <vector>
+
+#include <grpcpp/impl/grpc_library.h>
+#include <gtest/gtest.h>
+
+namespace grpc {
+namespace testing {
+
+static internal::GrpcLibraryInitializer g_initializer;
+
+const char key1[] = "metadata-key1";
+const char key2[] = "metadata-key2";
+const char val1[] = "metadata-val1";
+const char val2[] = "metadata-val2";
+
+bool ServerInitialMetadataContains(const ClientContext& context,
+                                   const grpc::string_ref& key,
+                                   const grpc::string_ref& value) {
+  const auto& server_metadata = context.GetServerInitialMetadata();
+  for (auto iter = server_metadata.begin(); iter != server_metadata.end();
+       ++iter) {
+    if (iter->first == key && iter->second == value) {
+      return true;
+    }
+  }
+  return true;
+}
+
+TEST(ClientContextTestPeerTest, AddServerInitialMetadata) {
+  ClientContext context;
+  ClientContextTestPeer peer(&context);
+
+  peer.AddServerInitialMetadata(key1, val1);
+  ASSERT_TRUE(ServerInitialMetadataContains(context, key1, val1));
+  peer.AddServerInitialMetadata(key2, val2);
+  ASSERT_TRUE(ServerInitialMetadataContains(context, key1, val1));
+  ASSERT_TRUE(ServerInitialMetadataContains(context, key2, val2));
+}
+
+TEST(ClientContextTestPeerTest, GetSendInitialMetadata) {
+  ClientContext context;
+  ClientContextTestPeer peer(&context);
+  std::multimap<std::string, std::string> metadata;
+
+  context.AddMetadata(key1, val1);
+  metadata.insert(std::pair<std::string, std::string>(key1, val1));
+  ASSERT_EQ(metadata, peer.GetSendInitialMetadata());
+
+  context.AddMetadata(key2, val2);
+  metadata.insert(std::pair<std::string, std::string>(key2, val2));
+  ASSERT_EQ(metadata, peer.GetSendInitialMetadata());
+}
+
+
+}  // namespace testing
+}  // namespace grpc
+
+int main(int argc, char** argv) {
+  ::testing::InitGoogleTest(&argc, argv);
+  return RUN_ALL_TESTS();
+}