client_context_test_peer_test.cc

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/*
 *
 * 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 <cstring>
#include <vector>
 
#include <gtest/gtest.h>
 
#include <grpcpp/impl/grpc_library.h>
#include <grpcpp/test/client_context_test_peer.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();
}