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diff --git a/test/cpp/end2end/server_interceptors_end2end_test.cc b/test/cpp/end2end/server_interceptors_end2end_test.cc
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+++ b/test/cpp/end2end/server_interceptors_end2end_test.cc
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+/*
+ *
+ * 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 <memory>
+#include <vector>
+
+#include <grpcpp/channel.h>
+#include <grpcpp/client_context.h>
+#include <grpcpp/create_channel.h>
+#include <grpcpp/generic/generic_stub.h>
+#include <grpcpp/impl/codegen/proto_utils.h>
+#include <grpcpp/impl/codegen/server_interceptor.h>
+#include <grpcpp/server.h>
+#include <grpcpp/server_builder.h>
+#include <grpcpp/server_context.h>
+
+#include "src/proto/grpc/testing/echo.grpc.pb.h"
+#include "test/core/util/port.h"
+#include "test/core/util/test_config.h"
+#include "test/cpp/end2end/interceptors_util.h"
+#include "test/cpp/end2end/test_service_impl.h"
+#include "test/cpp/util/byte_buffer_proto_helper.h"
+
+#include <gtest/gtest.h>
+
+namespace grpc {
+namespace testing {
+namespace {
+
+/* This interceptor does nothing. Just keeps a global count on the number of
+ * times it was invoked. */
+class DummyInterceptor : public experimental::Interceptor {
+ public:
+ DummyInterceptor(experimental::ServerRpcInfo* info) {}
+
+ virtual void Intercept(experimental::InterceptorBatchMethods* methods) {
+ if (methods->QueryInterceptionHookPoint(
+ experimental::InterceptionHookPoints::PRE_SEND_INITIAL_METADATA)) {
+ num_times_run_++;
+ } else if (methods->QueryInterceptionHookPoint(
+ experimental::InterceptionHookPoints::
+ POST_RECV_INITIAL_METADATA)) {
+ num_times_run_reverse_++;
+ }
+ methods->Proceed();
+ }
+
+ static void Reset() {
+ num_times_run_.store(0);
+ num_times_run_reverse_.store(0);
+ }
+
+ static int GetNumTimesRun() {
+ EXPECT_EQ(num_times_run_.load(), num_times_run_reverse_.load());
+ return num_times_run_.load();
+ }
+
+ private:
+ static std::atomic<int> num_times_run_;
+ static std::atomic<int> num_times_run_reverse_;
+};
+
+std::atomic<int> DummyInterceptor::num_times_run_;
+std::atomic<int> DummyInterceptor::num_times_run_reverse_;
+
+class DummyInterceptorFactory
+ : public experimental::ServerInterceptorFactoryInterface {
+ public:
+ virtual experimental::Interceptor* CreateServerInterceptor(
+ experimental::ServerRpcInfo* info) override {
+ return new DummyInterceptor(info);
+ }
+};
+
+class LoggingInterceptor : public experimental::Interceptor {
+ public:
+ LoggingInterceptor(experimental::ServerRpcInfo* info) { info_ = info; }
+
+ virtual void Intercept(experimental::InterceptorBatchMethods* methods) {
+ if (methods->QueryInterceptionHookPoint(
+ experimental::InterceptionHookPoints::PRE_SEND_INITIAL_METADATA)) {
+ auto* map = methods->GetSendInitialMetadata();
+ // Got nothing better to do here for now
+ EXPECT_EQ(map->size(), static_cast<unsigned>(0));
+ }
+ if (methods->QueryInterceptionHookPoint(
+ experimental::InterceptionHookPoints::PRE_SEND_MESSAGE)) {
+ EchoRequest req;
+ auto* buffer = methods->GetSendMessage();
+ auto copied_buffer = *buffer;
+ SerializationTraits<EchoRequest>::Deserialize(&copied_buffer, &req);
+ EXPECT_TRUE(req.message().find("Hello") == 0);
+ }
+ if (methods->QueryInterceptionHookPoint(
+ experimental::InterceptionHookPoints::PRE_SEND_STATUS)) {
+ auto* map = methods->GetSendTrailingMetadata();
+ bool found = false;
+ // Check that we received the metadata as an echo
+ for (const auto& pair : *map) {
+ found = pair.first.find("testkey") == 0 &&
+ pair.second.find("testvalue") == 0;
+ if (found) break;
+ }
+ EXPECT_EQ(found, true);
+ auto status = methods->GetSendStatus();
+ EXPECT_EQ(status.ok(), true);
+ }
+ if (methods->QueryInterceptionHookPoint(
+ experimental::InterceptionHookPoints::POST_RECV_INITIAL_METADATA)) {
+ auto* map = methods->GetRecvInitialMetadata();
+ bool found = false;
+ // Check that we received the metadata as an echo
+ for (const auto& pair : *map) {
+ found = pair.first.find("testkey") == 0 &&
+ pair.second.find("testvalue") == 0;
+ if (found) break;
+ }
+ EXPECT_EQ(found, true);
+ }
+ if (methods->QueryInterceptionHookPoint(
+ experimental::InterceptionHookPoints::POST_RECV_MESSAGE)) {
+ EchoResponse* resp =
+ static_cast<EchoResponse*>(methods->GetRecvMessage());
+ EXPECT_TRUE(resp->message().find("Hello") == 0);
+ }
+ if (methods->QueryInterceptionHookPoint(
+ experimental::InterceptionHookPoints::POST_RECV_CLOSE)) {
+ // Got nothing interesting to do here
+ }
+ methods->Proceed();
+ }
+
+ private:
+ experimental::ServerRpcInfo* info_;
+};
+
+class LoggingInterceptorFactory
+ : public experimental::ServerInterceptorFactoryInterface {
+ public:
+ virtual experimental::Interceptor* CreateServerInterceptor(
+ experimental::ServerRpcInfo* info) override {
+ return new LoggingInterceptor(info);
+ }
+};
+
+void MakeBidiStreamingCall(const std::shared_ptr<Channel>& channel) {
+ auto stub = grpc::testing::EchoTestService::NewStub(channel);
+ ClientContext ctx;
+ EchoRequest req;
+ EchoResponse resp;
+ ctx.AddMetadata("testkey", "testvalue");
+ auto stream = stub->BidiStream(&ctx);
+ for (auto i = 0; i < 10; i++) {
+ req.set_message("Hello" + std::to_string(i));
+ stream->Write(req);
+ stream->Read(&resp);
+ EXPECT_EQ(req.message(), resp.message());
+ }
+ ASSERT_TRUE(stream->WritesDone());
+ Status s = stream->Finish();
+ EXPECT_EQ(s.ok(), true);
+}
+
+class ServerInterceptorsEnd2endSyncUnaryTest : public ::testing::Test {
+ protected:
+ ServerInterceptorsEnd2endSyncUnaryTest() {
+ int port = grpc_pick_unused_port_or_die();
+
+ ServerBuilder builder;
+ server_address_ = "localhost:" + std::to_string(port);
+ builder.AddListeningPort(server_address_, InsecureServerCredentials());
+ builder.RegisterService(&service_);
+
+ std::vector<
+ std::unique_ptr<experimental::ServerInterceptorFactoryInterface>>
+ creators;
+ creators.push_back(
+ std::unique_ptr<experimental::ServerInterceptorFactoryInterface>(
+ new LoggingInterceptorFactory()));
+ for (auto i = 0; i < 20; i++) {
+ creators.push_back(std::unique_ptr<DummyInterceptorFactory>(
+ new DummyInterceptorFactory()));
+ }
+ builder.experimental().SetInterceptorCreators(std::move(creators));
+ server_ = builder.BuildAndStart();
+ }
+ std::string server_address_;
+ TestServiceImpl service_;
+ std::unique_ptr<Server> server_;
+};
+
+TEST_F(ServerInterceptorsEnd2endSyncUnaryTest, UnaryTest) {
+ ChannelArguments args;
+ DummyInterceptor::Reset();
+ auto channel = CreateChannel(server_address_, InsecureChannelCredentials());
+ MakeCall(channel);
+ // Make sure all 20 dummy interceptors were run
+ EXPECT_EQ(DummyInterceptor::GetNumTimesRun(), 20);
+}
+
+class ServerInterceptorsEnd2endSyncStreamingTest : public ::testing::Test {
+ protected:
+ ServerInterceptorsEnd2endSyncStreamingTest() {
+ int port = grpc_pick_unused_port_or_die();
+
+ ServerBuilder builder;
+ server_address_ = "localhost:" + std::to_string(port);
+ builder.AddListeningPort(server_address_, InsecureServerCredentials());
+ builder.RegisterService(&service_);
+
+ std::vector<
+ std::unique_ptr<experimental::ServerInterceptorFactoryInterface>>
+ creators;
+ creators.push_back(
+ std::unique_ptr<experimental::ServerInterceptorFactoryInterface>(
+ new LoggingInterceptorFactory()));
+ for (auto i = 0; i < 20; i++) {
+ creators.push_back(std::unique_ptr<DummyInterceptorFactory>(
+ new DummyInterceptorFactory()));
+ }
+ builder.experimental().SetInterceptorCreators(std::move(creators));
+ server_ = builder.BuildAndStart();
+ }
+ std::string server_address_;
+ EchoTestServiceStreamingImpl service_;
+ std::unique_ptr<Server> server_;
+};
+
+TEST_F(ServerInterceptorsEnd2endSyncStreamingTest, ClientStreamingTest) {
+ ChannelArguments args;
+ DummyInterceptor::Reset();
+ auto channel = CreateChannel(server_address_, InsecureChannelCredentials());
+ MakeClientStreamingCall(channel);
+ // Make sure all 20 dummy interceptors were run
+ EXPECT_EQ(DummyInterceptor::GetNumTimesRun(), 20);
+}
+
+TEST_F(ServerInterceptorsEnd2endSyncStreamingTest, ServerStreamingTest) {
+ ChannelArguments args;
+ DummyInterceptor::Reset();
+ auto channel = CreateChannel(server_address_, InsecureChannelCredentials());
+ MakeServerStreamingCall(channel);
+ // Make sure all 20 dummy interceptors were run
+ EXPECT_EQ(DummyInterceptor::GetNumTimesRun(), 20);
+}
+
+TEST_F(ServerInterceptorsEnd2endSyncStreamingTest, BidiStreamingTest) {
+ ChannelArguments args;
+ DummyInterceptor::Reset();
+ auto channel = CreateChannel(server_address_, InsecureChannelCredentials());
+ MakeBidiStreamingCall(channel);
+ // Make sure all 20 dummy interceptors were run
+ EXPECT_EQ(DummyInterceptor::GetNumTimesRun(), 20);
+}
+
+class ServerInterceptorsAsyncEnd2endTest : public ::testing::Test {};
+
+TEST_F(ServerInterceptorsAsyncEnd2endTest, UnaryTest) {
+ DummyInterceptor::Reset();
+ int port = grpc_pick_unused_port_or_die();
+ string server_address = "localhost:" + std::to_string(port);
+ ServerBuilder builder;
+ EchoTestService::AsyncService service;
+ builder.AddListeningPort(server_address, InsecureServerCredentials());
+ builder.RegisterService(&service);
+ std::vector<std::unique_ptr<experimental::ServerInterceptorFactoryInterface>>
+ creators;
+ creators.push_back(
+ std::unique_ptr<experimental::ServerInterceptorFactoryInterface>(
+ new LoggingInterceptorFactory()));
+ for (auto i = 0; i < 20; i++) {
+ creators.push_back(std::unique_ptr<DummyInterceptorFactory>(
+ new DummyInterceptorFactory()));
+ }
+ builder.experimental().SetInterceptorCreators(std::move(creators));
+ auto cq = builder.AddCompletionQueue();
+ auto server = builder.BuildAndStart();
+
+ ChannelArguments args;
+ auto channel = CreateChannel(server_address, InsecureChannelCredentials());
+ auto stub = grpc::testing::EchoTestService::NewStub(channel);
+
+ EchoRequest send_request;
+ EchoRequest recv_request;
+ EchoResponse send_response;
+ EchoResponse recv_response;
+ Status recv_status;
+
+ ClientContext cli_ctx;
+ ServerContext srv_ctx;
+ grpc::ServerAsyncResponseWriter<EchoResponse> response_writer(&srv_ctx);
+
+ send_request.set_message("Hello");
+ cli_ctx.AddMetadata("testkey", "testvalue");
+ std::unique_ptr<ClientAsyncResponseReader<EchoResponse>> response_reader(
+ stub->AsyncEcho(&cli_ctx, send_request, cq.get()));
+
+ service.RequestEcho(&srv_ctx, &recv_request, &response_writer, cq.get(),
+ cq.get(), tag(2));
+
+ response_reader->Finish(&recv_response, &recv_status, tag(4));
+
+ Verifier().Expect(2, true).Verify(cq.get());
+ EXPECT_EQ(send_request.message(), recv_request.message());
+
+ EXPECT_TRUE(CheckMetadata(srv_ctx.client_metadata(), "testkey", "testvalue"));
+ srv_ctx.AddTrailingMetadata("testkey", "testvalue");
+
+ send_response.set_message(recv_request.message());
+ response_writer.Finish(send_response, Status::OK, tag(3));
+ Verifier().Expect(3, true).Expect(4, true).Verify(cq.get());
+
+ EXPECT_EQ(send_response.message(), recv_response.message());
+ EXPECT_TRUE(recv_status.ok());
+ EXPECT_TRUE(CheckMetadata(cli_ctx.GetServerTrailingMetadata(), "testkey",
+ "testvalue"));
+
+ // Make sure all 20 dummy interceptors were run
+ EXPECT_EQ(DummyInterceptor::GetNumTimesRun(), 20);
+
+ server->Shutdown();
+ cq->Shutdown();
+ void* ignored_tag;
+ bool ignored_ok;
+ while (cq->Next(&ignored_tag, &ignored_ok))
+ ;
+ grpc_recycle_unused_port(port);
+}
+
+TEST_F(ServerInterceptorsAsyncEnd2endTest, BidiStreamingTest) {
+ DummyInterceptor::Reset();
+ int port = grpc_pick_unused_port_or_die();
+ string server_address = "localhost:" + std::to_string(port);
+ ServerBuilder builder;
+ EchoTestService::AsyncService service;
+ builder.AddListeningPort(server_address, InsecureServerCredentials());
+ builder.RegisterService(&service);
+ std::vector<std::unique_ptr<experimental::ServerInterceptorFactoryInterface>>
+ creators;
+ creators.push_back(
+ std::unique_ptr<experimental::ServerInterceptorFactoryInterface>(
+ new LoggingInterceptorFactory()));
+ for (auto i = 0; i < 20; i++) {
+ creators.push_back(std::unique_ptr<DummyInterceptorFactory>(
+ new DummyInterceptorFactory()));
+ }
+ builder.experimental().SetInterceptorCreators(std::move(creators));
+ auto cq = builder.AddCompletionQueue();
+ auto server = builder.BuildAndStart();
+
+ ChannelArguments args;
+ auto channel = CreateChannel(server_address, InsecureChannelCredentials());
+ auto stub = grpc::testing::EchoTestService::NewStub(channel);
+
+ EchoRequest send_request;
+ EchoRequest recv_request;
+ EchoResponse send_response;
+ EchoResponse recv_response;
+ Status recv_status;
+
+ ClientContext cli_ctx;
+ ServerContext srv_ctx;
+ grpc::ServerAsyncReaderWriter<EchoResponse, EchoRequest> srv_stream(&srv_ctx);
+
+ send_request.set_message("Hello");
+ cli_ctx.AddMetadata("testkey", "testvalue");
+ std::unique_ptr<ClientAsyncReaderWriter<EchoRequest, EchoResponse>>
+ cli_stream(stub->AsyncBidiStream(&cli_ctx, cq.get(), tag(1)));
+
+ service.RequestBidiStream(&srv_ctx, &srv_stream, cq.get(), cq.get(), tag(2));
+
+ Verifier().Expect(1, true).Expect(2, true).Verify(cq.get());
+
+ EXPECT_TRUE(CheckMetadata(srv_ctx.client_metadata(), "testkey", "testvalue"));
+ srv_ctx.AddTrailingMetadata("testkey", "testvalue");
+
+ cli_stream->Write(send_request, tag(3));
+ srv_stream.Read(&recv_request, tag(4));
+ Verifier().Expect(3, true).Expect(4, true).Verify(cq.get());
+ EXPECT_EQ(send_request.message(), recv_request.message());
+
+ send_response.set_message(recv_request.message());
+ srv_stream.Write(send_response, tag(5));
+ cli_stream->Read(&recv_response, tag(6));
+ Verifier().Expect(5, true).Expect(6, true).Verify(cq.get());
+ EXPECT_EQ(send_response.message(), recv_response.message());
+
+ cli_stream->WritesDone(tag(7));
+ srv_stream.Read(&recv_request, tag(8));
+ Verifier().Expect(7, true).Expect(8, false).Verify(cq.get());
+
+ srv_stream.Finish(Status::OK, tag(9));
+ cli_stream->Finish(&recv_status, tag(10));
+ Verifier().Expect(9, true).Expect(10, true).Verify(cq.get());
+
+ EXPECT_TRUE(recv_status.ok());
+ EXPECT_TRUE(CheckMetadata(cli_ctx.GetServerTrailingMetadata(), "testkey",
+ "testvalue"));
+
+ // Make sure all 20 dummy interceptors were run
+ EXPECT_EQ(DummyInterceptor::GetNumTimesRun(), 20);
+
+ server->Shutdown();
+ cq->Shutdown();
+ void* ignored_tag;
+ bool ignored_ok;
+ while (cq->Next(&ignored_tag, &ignored_ok))
+ ;
+ grpc_recycle_unused_port(port);
+}
+
+TEST_F(ServerInterceptorsAsyncEnd2endTest, GenericRPCTest) {
+ DummyInterceptor::Reset();
+ int port = grpc_pick_unused_port_or_die();
+ string server_address = "localhost:" + std::to_string(port);
+ ServerBuilder builder;
+ AsyncGenericService service;
+ builder.AddListeningPort(server_address, InsecureServerCredentials());
+ builder.RegisterAsyncGenericService(&service);
+ std::vector<std::unique_ptr<experimental::ServerInterceptorFactoryInterface>>
+ creators;
+ for (auto i = 0; i < 20; i++) {
+ creators.push_back(std::unique_ptr<DummyInterceptorFactory>(
+ new DummyInterceptorFactory()));
+ }
+ builder.experimental().SetInterceptorCreators(std::move(creators));
+ auto cq = builder.AddCompletionQueue();
+ auto server = builder.BuildAndStart();
+
+ ChannelArguments args;
+ auto channel = CreateChannel(server_address, InsecureChannelCredentials());
+ GenericStub generic_stub(channel);
+
+ const grpc::string kMethodName("/grpc.cpp.test.util.EchoTestService/Echo");
+ EchoRequest send_request;
+ EchoRequest recv_request;
+ EchoResponse send_response;
+ EchoResponse recv_response;
+ Status recv_status;
+
+ ClientContext cli_ctx;
+ GenericServerContext srv_ctx;
+ GenericServerAsyncReaderWriter stream(&srv_ctx);
+
+ // The string needs to be long enough to test heap-based slice.
+ send_request.set_message("Hello");
+ cli_ctx.AddMetadata("testkey", "testvalue");
+
+ std::unique_ptr<GenericClientAsyncReaderWriter> call =
+ generic_stub.PrepareCall(&cli_ctx, kMethodName, cq.get());
+ call->StartCall(tag(1));
+ Verifier().Expect(1, true).Verify(cq.get());
+ std::unique_ptr<ByteBuffer> send_buffer =
+ SerializeToByteBuffer(&send_request);
+ call->Write(*send_buffer, tag(2));
+ // Send ByteBuffer can be destroyed after calling Write.
+ send_buffer.reset();
+ Verifier().Expect(2, true).Verify(cq.get());
+ call->WritesDone(tag(3));
+ Verifier().Expect(3, true).Verify(cq.get());
+
+ service.RequestCall(&srv_ctx, &stream, cq.get(), cq.get(), tag(4));
+
+ Verifier().Expect(4, true).Verify(cq.get());
+ EXPECT_EQ(kMethodName, srv_ctx.method());
+ EXPECT_TRUE(CheckMetadata(srv_ctx.client_metadata(), "testkey", "testvalue"));
+ srv_ctx.AddTrailingMetadata("testkey", "testvalue");
+
+ ByteBuffer recv_buffer;
+ stream.Read(&recv_buffer, tag(5));
+ Verifier().Expect(5, true).Verify(cq.get());
+ EXPECT_TRUE(ParseFromByteBuffer(&recv_buffer, &recv_request));
+ EXPECT_EQ(send_request.message(), recv_request.message());
+
+ send_response.set_message(recv_request.message());
+ send_buffer = SerializeToByteBuffer(&send_response);
+ stream.Write(*send_buffer, tag(6));
+ send_buffer.reset();
+ Verifier().Expect(6, true).Verify(cq.get());
+
+ stream.Finish(Status::OK, tag(7));
+ Verifier().Expect(7, true).Verify(cq.get());
+
+ recv_buffer.Clear();
+ call->Read(&recv_buffer, tag(8));
+ Verifier().Expect(8, true).Verify(cq.get());
+ EXPECT_TRUE(ParseFromByteBuffer(&recv_buffer, &recv_response));
+
+ call->Finish(&recv_status, tag(9));
+ Verifier().Expect(9, true).Verify(cq.get());
+
+ EXPECT_EQ(send_response.message(), recv_response.message());
+ EXPECT_TRUE(recv_status.ok());
+ EXPECT_TRUE(CheckMetadata(cli_ctx.GetServerTrailingMetadata(), "testkey",
+ "testvalue"));
+
+ // Make sure all 20 dummy interceptors were run
+ EXPECT_EQ(DummyInterceptor::GetNumTimesRun(), 20);
+
+ server->Shutdown();
+ cq->Shutdown();
+ void* ignored_tag;
+ bool ignored_ok;
+ while (cq->Next(&ignored_tag, &ignored_ok))
+ ;
+ grpc_recycle_unused_port(port);
+}
+
+TEST_F(ServerInterceptorsAsyncEnd2endTest, UnimplementedRpcTest) {
+ DummyInterceptor::Reset();
+ int port = grpc_pick_unused_port_or_die();
+ string server_address = "localhost:" + std::to_string(port);
+ ServerBuilder builder;
+ builder.AddListeningPort(server_address, InsecureServerCredentials());
+ std::vector<std::unique_ptr<experimental::ServerInterceptorFactoryInterface>>
+ creators;
+ for (auto i = 0; i < 20; i++) {
+ creators.push_back(std::unique_ptr<DummyInterceptorFactory>(
+ new DummyInterceptorFactory()));
+ }
+ builder.experimental().SetInterceptorCreators(std::move(creators));
+ auto cq = builder.AddCompletionQueue();
+ auto server = builder.BuildAndStart();
+
+ ChannelArguments args;
+ std::shared_ptr<Channel> channel =
+ CreateChannel(server_address, InsecureChannelCredentials());
+ std::unique_ptr<grpc::testing::UnimplementedEchoService::Stub> stub;
+ stub = grpc::testing::UnimplementedEchoService::NewStub(channel);
+ EchoRequest send_request;
+ EchoResponse recv_response;
+ Status recv_status;
+
+ ClientContext cli_ctx;
+ send_request.set_message("Hello");
+ std::unique_ptr<ClientAsyncResponseReader<EchoResponse>> response_reader(
+ stub->AsyncUnimplemented(&cli_ctx, send_request, cq.get()));
+
+ response_reader->Finish(&recv_response, &recv_status, tag(4));
+ Verifier().Expect(4, true).Verify(cq.get());
+
+ EXPECT_EQ(StatusCode::UNIMPLEMENTED, recv_status.error_code());
+ EXPECT_EQ("", recv_status.error_message());
+
+ // Make sure all 20 dummy interceptors were run
+ EXPECT_EQ(DummyInterceptor::GetNumTimesRun(), 20);
+
+ server->Shutdown();
+ cq->Shutdown();
+ void* ignored_tag;
+ bool ignored_ok;
+ while (cq->Next(&ignored_tag, &ignored_ok))
+ ;
+ grpc_recycle_unused_port(port);
+}
+
+class ServerInterceptorsSyncUnimplementedEnd2endTest : public ::testing::Test {
+};
+
+TEST_F(ServerInterceptorsSyncUnimplementedEnd2endTest, UnimplementedRpcTest) {
+ DummyInterceptor::Reset();
+ int port = grpc_pick_unused_port_or_die();
+ string server_address = "localhost:" + std::to_string(port);
+ ServerBuilder builder;
+ TestServiceImpl service;
+ builder.RegisterService(&service);
+ builder.AddListeningPort(server_address, InsecureServerCredentials());
+ std::vector<std::unique_ptr<experimental::ServerInterceptorFactoryInterface>>
+ creators;
+ for (auto i = 0; i < 20; i++) {
+ creators.push_back(std::unique_ptr<DummyInterceptorFactory>(
+ new DummyInterceptorFactory()));
+ }
+ builder.experimental().SetInterceptorCreators(std::move(creators));
+ auto server = builder.BuildAndStart();
+
+ ChannelArguments args;
+ std::shared_ptr<Channel> channel =
+ CreateChannel(server_address, InsecureChannelCredentials());
+ std::unique_ptr<grpc::testing::UnimplementedEchoService::Stub> stub;
+ stub = grpc::testing::UnimplementedEchoService::NewStub(channel);
+ EchoRequest send_request;
+ EchoResponse recv_response;
+
+ ClientContext cli_ctx;
+ send_request.set_message("Hello");
+ Status recv_status =
+ stub->Unimplemented(&cli_ctx, send_request, &recv_response);
+
+ EXPECT_EQ(StatusCode::UNIMPLEMENTED, recv_status.error_code());
+ EXPECT_EQ("", recv_status.error_message());
+
+ // Make sure all 20 dummy interceptors were run
+ EXPECT_EQ(DummyInterceptor::GetNumTimesRun(), 20);
+
+ server->Shutdown();
+ grpc_recycle_unused_port(port);
+}
+
+} // namespace
+} // namespace testing
+} // namespace grpc
+
+int main(int argc, char** argv) {
+ grpc_test_init(argc, argv);
+ ::testing::InitGoogleTest(&argc, argv);
+ return RUN_ALL_TESTS();
+}