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/*
*
* Copyright 2015, Google Inc.
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions are
* met:
*
* * Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* * Redistributions in binary form must reproduce the above
* copyright notice, this list of conditions and the following disclaimer
* in the documentation and/or other materials provided with the
* distribution.
* * Neither the name of Google Inc. nor the names of its
* contributors may be used to endorse or promote products derived from
* this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
* A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
* OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
* LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*
*/
#include <chrono>
#include <thread>
#include "test/core/util/test_config.h"
#include "test/cpp/util/echo_duplicate.pb.h"
#include "test/cpp/util/echo.pb.h"
#include "src/cpp/util/time.h"
#include "src/cpp/server/thread_pool.h"
#include <grpc++/channel_arguments.h>
#include <grpc++/channel_interface.h>
#include <grpc++/client_context.h>
#include <grpc++/create_channel.h>
#include <grpc++/credentials.h>
#include <grpc++/server.h>
#include <grpc++/server_builder.h>
#include <grpc++/server_context.h>
#include <grpc++/status.h>
#include <grpc++/stream.h>
#include "test/core/util/port.h"
#include <gtest/gtest.h>
#include <grpc/grpc.h>
#include <grpc/support/thd.h>
#include <grpc/support/time.h>
using grpc::cpp::test::util::EchoRequest;
using grpc::cpp::test::util::EchoResponse;
using std::chrono::system_clock;
namespace grpc {
namespace testing {
namespace {
// When echo_deadline is requested, deadline seen in the ServerContext is set in
// the response in seconds.
void MaybeEchoDeadline(ServerContext* context, const EchoRequest* request,
EchoResponse* response) {
if (request->has_param() && request->param().echo_deadline()) {
gpr_timespec deadline = gpr_inf_future;
if (context->absolute_deadline() != system_clock::time_point::max()) {
Timepoint2Timespec(context->absolute_deadline(), &deadline);
}
response->mutable_param()->set_request_deadline(deadline.tv_sec);
}
}
} // namespace
class TestServiceImpl : public ::grpc::cpp::test::util::TestService::Service {
public:
Status Echo(ServerContext* context, const EchoRequest* request,
EchoResponse* response) override {
response->set_message(request->message());
MaybeEchoDeadline(context, request, response);
return Status::OK;
}
// Unimplemented is left unimplemented to test the returned error.
Status RequestStream(ServerContext* context,
ServerReader<EchoRequest>* reader,
EchoResponse* response) override {
EchoRequest request;
response->set_message("");
while (reader->Read(&request)) {
response->mutable_message()->append(request.message());
}
return Status::OK;
}
// Return 3 messages.
// TODO(yangg) make it generic by adding a parameter into EchoRequest
Status ResponseStream(ServerContext* context, const EchoRequest* request,
ServerWriter<EchoResponse>* writer) override {
EchoResponse response;
response.set_message(request->message() + "0");
writer->Write(response);
response.set_message(request->message() + "1");
writer->Write(response);
response.set_message(request->message() + "2");
writer->Write(response);
return Status::OK;
}
Status BidiStream(
ServerContext* context,
ServerReaderWriter<EchoResponse, EchoRequest>* stream) override {
EchoRequest request;
EchoResponse response;
while (stream->Read(&request)) {
gpr_log(GPR_INFO, "recv msg %s", request.message().c_str());
response.set_message(request.message());
stream->Write(response);
}
return Status::OK;
}
};
class TestServiceImplDupPkg
: public ::grpc::cpp::test::util::duplicate::TestService::Service {
public:
Status Echo(ServerContext* context, const EchoRequest* request,
EchoResponse* response) override {
response->set_message("no package");
return Status::OK;
}
};
class End2endTest : public ::testing::Test {
protected:
End2endTest() : thread_pool_(2) {}
void SetUp() override {
int port = grpc_pick_unused_port_or_die();
server_address_ << "localhost:" << port;
// Setup server
ServerBuilder builder;
builder.AddPort(server_address_.str());
builder.RegisterService(&service_);
builder.RegisterService(&dup_pkg_service_);
builder.SetThreadPool(&thread_pool_);
server_ = builder.BuildAndStart();
}
void TearDown() override { server_->Shutdown(); }
void ResetStub() {
std::shared_ptr<ChannelInterface> channel =
CreateChannel(server_address_.str(), ChannelArguments());
stub_ = std::move(grpc::cpp::test::util::TestService::NewStub(channel));
}
std::unique_ptr<grpc::cpp::test::util::TestService::Stub> stub_;
std::unique_ptr<Server> server_;
std::ostringstream server_address_;
TestServiceImpl service_;
TestServiceImplDupPkg dup_pkg_service_;
ThreadPool thread_pool_;
};
static void SendRpc(grpc::cpp::test::util::TestService::Stub* stub,
int num_rpcs) {
EchoRequest request;
EchoResponse response;
request.set_message("Hello");
for (int i = 0; i < num_rpcs; ++i) {
ClientContext context;
Status s = stub->Echo(&context, request, &response);
EXPECT_EQ(response.message(), request.message());
EXPECT_TRUE(s.IsOk());
}
}
TEST_F(End2endTest, SimpleRpc) {
ResetStub();
SendRpc(stub_.get(), 1);
}
TEST_F(End2endTest, MultipleRpcs) {
ResetStub();
std::vector<std::thread*> threads;
for (int i = 0; i < 10; ++i) {
threads.push_back(new std::thread(SendRpc, stub_.get(), 10));
}
for (int i = 0; i < 10; ++i) {
threads[i]->join();
delete threads[i];
}
}
// Set a 10us deadline and make sure proper error is returned.
TEST_F(End2endTest, RpcDeadlineExpires) {
ResetStub();
EchoRequest request;
EchoResponse response;
request.set_message("Hello");
ClientContext context;
std::chrono::system_clock::time_point deadline =
std::chrono::system_clock::now() + std::chrono::microseconds(10);
context.set_absolute_deadline(deadline);
Status s = stub_->Echo(&context, request, &response);
EXPECT_EQ(StatusCode::DEADLINE_EXCEEDED, s.code());
}
// Set a long but finite deadline.
TEST_F(End2endTest, RpcLongDeadline) {
ResetStub();
EchoRequest request;
EchoResponse response;
request.set_message("Hello");
ClientContext context;
std::chrono::system_clock::time_point deadline =
std::chrono::system_clock::now() + std::chrono::hours(1);
context.set_absolute_deadline(deadline);
Status s = stub_->Echo(&context, request, &response);
EXPECT_EQ(response.message(), request.message());
EXPECT_TRUE(s.IsOk());
}
// Ask server to echo back the deadline it sees.
TEST_F(End2endTest, EchoDeadline) {
ResetStub();
EchoRequest request;
EchoResponse response;
request.set_message("Hello");
request.mutable_param()->set_echo_deadline(true);
ClientContext context;
std::chrono::system_clock::time_point deadline =
std::chrono::system_clock::now() + std::chrono::seconds(100);
context.set_absolute_deadline(deadline);
Status s = stub_->Echo(&context, request, &response);
EXPECT_EQ(response.message(), request.message());
EXPECT_TRUE(s.IsOk());
gpr_timespec sent_deadline;
Timepoint2Timespec(deadline, &sent_deadline);
// Allow 1 second error.
EXPECT_LE(response.param().request_deadline() - sent_deadline.tv_sec, 1);
EXPECT_GE(response.param().request_deadline() - sent_deadline.tv_sec, -1);
}
// Ask server to echo back the deadline it sees. The rpc has no deadline.
TEST_F(End2endTest, EchoDeadlineForNoDeadlineRpc) {
ResetStub();
EchoRequest request;
EchoResponse response;
request.set_message("Hello");
request.mutable_param()->set_echo_deadline(true);
ClientContext context;
Status s = stub_->Echo(&context, request, &response);
EXPECT_EQ(response.message(), request.message());
EXPECT_TRUE(s.IsOk());
EXPECT_EQ(response.param().request_deadline(), gpr_inf_future.tv_sec);
}
TEST_F(End2endTest, UnimplementedRpc) {
ResetStub();
EchoRequest request;
EchoResponse response;
request.set_message("Hello");
ClientContext context;
Status s = stub_->Unimplemented(&context, request, &response);
EXPECT_FALSE(s.IsOk());
EXPECT_EQ(s.code(), grpc::StatusCode::UNIMPLEMENTED);
EXPECT_EQ(s.details(), "");
EXPECT_EQ(response.message(), "");
}
TEST_F(End2endTest, RequestStreamOneRequest) {
ResetStub();
EchoRequest request;
EchoResponse response;
ClientContext context;
auto stream = stub_->RequestStream(&context, &response);
request.set_message("hello");
EXPECT_TRUE(stream->Write(request));
stream->WritesDone();
Status s = stream->Finish();
EXPECT_EQ(response.message(), request.message());
EXPECT_TRUE(s.IsOk());
}
TEST_F(End2endTest, RequestStreamTwoRequests) {
ResetStub();
EchoRequest request;
EchoResponse response;
ClientContext context;
auto stream = stub_->RequestStream(&context, &response);
request.set_message("hello");
EXPECT_TRUE(stream->Write(request));
EXPECT_TRUE(stream->Write(request));
stream->WritesDone();
Status s = stream->Finish();
EXPECT_EQ(response.message(), "hellohello");
EXPECT_TRUE(s.IsOk());
}
TEST_F(End2endTest, ResponseStream) {
ResetStub();
EchoRequest request;
EchoResponse response;
ClientContext context;
request.set_message("hello");
auto stream = stub_->ResponseStream(&context, request);
EXPECT_TRUE(stream->Read(&response));
EXPECT_EQ(response.message(), request.message() + "0");
EXPECT_TRUE(stream->Read(&response));
EXPECT_EQ(response.message(), request.message() + "1");
EXPECT_TRUE(stream->Read(&response));
EXPECT_EQ(response.message(), request.message() + "2");
EXPECT_FALSE(stream->Read(&response));
Status s = stream->Finish();
EXPECT_TRUE(s.IsOk());
}
TEST_F(End2endTest, BidiStream) {
ResetStub();
EchoRequest request;
EchoResponse response;
ClientContext context;
grpc::string msg("hello");
auto stream = stub_->BidiStream(&context);
request.set_message(msg + "0");
EXPECT_TRUE(stream->Write(request));
EXPECT_TRUE(stream->Read(&response));
EXPECT_EQ(response.message(), request.message());
request.set_message(msg + "1");
EXPECT_TRUE(stream->Write(request));
EXPECT_TRUE(stream->Read(&response));
EXPECT_EQ(response.message(), request.message());
request.set_message(msg + "2");
EXPECT_TRUE(stream->Write(request));
EXPECT_TRUE(stream->Read(&response));
EXPECT_EQ(response.message(), request.message());
stream->WritesDone();
EXPECT_FALSE(stream->Read(&response));
Status s = stream->Finish();
EXPECT_TRUE(s.IsOk());
}
// Talk to the two services with the same name but different package names.
// The two stubs are created on the same channel.
TEST_F(End2endTest, DiffPackageServices) {
std::shared_ptr<ChannelInterface> channel =
CreateChannel(server_address_.str(), ChannelArguments());
EchoRequest request;
EchoResponse response;
request.set_message("Hello");
std::unique_ptr<grpc::cpp::test::util::TestService::Stub> stub(
grpc::cpp::test::util::TestService::NewStub(channel));
ClientContext context;
Status s = stub->Echo(&context, request, &response);
EXPECT_EQ(response.message(), request.message());
EXPECT_TRUE(s.IsOk());
std::unique_ptr<grpc::cpp::test::util::duplicate::TestService::Stub>
dup_pkg_stub(
grpc::cpp::test::util::duplicate::TestService::NewStub(channel));
ClientContext context2;
s = dup_pkg_stub->Echo(&context2, request, &response);
EXPECT_EQ("no package", response.message());
EXPECT_TRUE(s.IsOk());
}
// rpc and stream should fail on bad credentials.
TEST_F(End2endTest, BadCredentials) {
std::unique_ptr<Credentials> bad_creds =
CredentialsFactory::ServiceAccountCredentials("", "",
std::chrono::seconds(1));
EXPECT_EQ(nullptr, bad_creds.get());
std::shared_ptr<ChannelInterface> channel =
CreateChannel(server_address_.str(), bad_creds, ChannelArguments());
std::unique_ptr<grpc::cpp::test::util::TestService::Stub> stub(
grpc::cpp::test::util::TestService::NewStub(channel));
EchoRequest request;
EchoResponse response;
ClientContext context;
grpc::string msg("hello");
Status s = stub->Echo(&context, request, &response);
EXPECT_EQ("", response.message());
EXPECT_FALSE(s.IsOk());
EXPECT_EQ(StatusCode::UNKNOWN, s.code());
EXPECT_EQ("Rpc sent on a lame channel.", s.details());
ClientContext context2;
auto stream = stub->BidiStream(&context2);
s = stream->Finish();
EXPECT_FALSE(s.IsOk());
EXPECT_EQ(StatusCode::UNKNOWN, s.code());
EXPECT_EQ("Rpc sent on a lame channel.", s.details());
}
} // namespace testing
} // namespace grpc
int main(int argc, char** argv) {
grpc_test_init(argc, argv);
grpc_init();
::testing::InitGoogleTest(&argc, argv);
int result = RUN_ALL_TESTS();
grpc_shutdown();
google::protobuf::ShutdownProtobufLibrary();
return result;
}
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