diff options
Diffstat (limited to 'test')
-rw-r--r-- | test/cpp/end2end/client_interceptors_end2end_test.cc | 111 |
1 files changed, 111 insertions, 0 deletions
diff --git a/test/cpp/end2end/client_interceptors_end2end_test.cc b/test/cpp/end2end/client_interceptors_end2end_test.cc index 8abf4eb3f4..d96191737e 100644 --- a/test/cpp/end2end/client_interceptors_end2end_test.cc +++ b/test/cpp/end2end/client_interceptors_end2end_test.cc @@ -270,6 +270,103 @@ class HijackingInterceptorMakesAnotherCallFactory } }; +class ServerStreamingRpcHijackingInterceptor + : public experimental::Interceptor { + public: + ServerStreamingRpcHijackingInterceptor(experimental::ClientRpcInfo* info) { + info_ = info; + } + + virtual void Intercept(experimental::InterceptorBatchMethods* methods) { + bool hijack = false; + if (methods->QueryInterceptionHookPoint( + experimental::InterceptionHookPoints::PRE_SEND_INITIAL_METADATA)) { + auto* map = methods->GetSendInitialMetadata(); + // Check that we can see the test metadata + ASSERT_EQ(map->size(), static_cast<unsigned>(1)); + auto iterator = map->begin(); + EXPECT_EQ("testkey", iterator->first); + EXPECT_EQ("testvalue", iterator->second); + hijack = true; + } + if (methods->QueryInterceptionHookPoint( + experimental::InterceptionHookPoints::PRE_SEND_MESSAGE)) { + EchoRequest req; + auto* buffer = methods->GetSendMessage(); + auto copied_buffer = *buffer; + EXPECT_TRUE( + SerializationTraits<EchoRequest>::Deserialize(&copied_buffer, &req) + .ok()); + EXPECT_EQ(req.message(), "Hello"); + } + if (methods->QueryInterceptionHookPoint( + experimental::InterceptionHookPoints::PRE_SEND_CLOSE)) { + // Got nothing to do here for now + } + if (methods->QueryInterceptionHookPoint( + experimental::InterceptionHookPoints::POST_RECV_STATUS)) { + auto* map = methods->GetRecvTrailingMetadata(); + bool found = false; + // Check that we received the metadata as an echo + for (const auto& pair : *map) { + found = pair.first.starts_with("testkey") && + pair.second.starts_with("testvalue"); + if (found) break; + } + EXPECT_EQ(found, true); + auto* status = methods->GetRecvStatus(); + EXPECT_EQ(status->ok(), true); + } + if (methods->QueryInterceptionHookPoint( + experimental::InterceptionHookPoints::PRE_RECV_MESSAGE)) { + if (++count_ > 10) { + methods->FailHijackedRecvMessage(); + } + EchoResponse* resp = + static_cast<EchoResponse*>(methods->GetRecvMessage()); + resp->set_message("Hello"); + } + if (methods->QueryInterceptionHookPoint( + experimental::InterceptionHookPoints::POST_RECV_MESSAGE)) { + // Only the last message will be a failure + EXPECT_FALSE(got_failed_message_); + got_failed_message_ = methods->GetRecvMessage() == nullptr; + } + if (methods->QueryInterceptionHookPoint( + experimental::InterceptionHookPoints::PRE_RECV_STATUS)) { + auto* map = methods->GetRecvTrailingMetadata(); + // insert the metadata that we want + EXPECT_EQ(map->size(), static_cast<unsigned>(0)); + map->insert(std::make_pair("testkey", "testvalue")); + auto* status = methods->GetRecvStatus(); + *status = Status(StatusCode::OK, ""); + } + if (hijack) { + methods->Hijack(); + } else { + methods->Proceed(); + } + } + + static bool GotFailedMessage() { return got_failed_message_; } + + private: + experimental::ClientRpcInfo* info_; + static bool got_failed_message_; + int count_ = 0; +}; + +bool ServerStreamingRpcHijackingInterceptor::got_failed_message_ = false; + +class ServerStreamingRpcHijackingInterceptorFactory + : public experimental::ClientInterceptorFactoryInterface { + public: + virtual experimental::Interceptor* CreateClientInterceptor( + experimental::ClientRpcInfo* info) override { + return new ServerStreamingRpcHijackingInterceptor(info); + } +}; + class LoggingInterceptor : public experimental::Interceptor { public: LoggingInterceptor(experimental::ClientRpcInfo* info) { info_ = info; } @@ -546,6 +643,20 @@ TEST_F(ClientInterceptorsStreamingEnd2endTest, ServerStreamingTest) { EXPECT_EQ(DummyInterceptor::GetNumTimesRun(), 20); } +TEST_F(ClientInterceptorsStreamingEnd2endTest, ServerStreamingHijackingTest) { + ChannelArguments args; + DummyInterceptor::Reset(); + std::vector<std::unique_ptr<experimental::ClientInterceptorFactoryInterface>> + creators; + creators.push_back( + std::unique_ptr<ServerStreamingRpcHijackingInterceptorFactory>( + new ServerStreamingRpcHijackingInterceptorFactory())); + auto channel = experimental::CreateCustomChannelWithInterceptors( + server_address_, InsecureChannelCredentials(), args, std::move(creators)); + MakeServerStreamingCall(channel); + EXPECT_TRUE(ServerStreamingRpcHijackingInterceptor::GotFailedMessage()); +} + TEST_F(ClientInterceptorsStreamingEnd2endTest, BidiStreamingTest) { ChannelArguments args; DummyInterceptor::Reset(); |