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async_end2end_test.cc
async_end2end_test.cc 19.23 KiB
/*
*
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* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
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* LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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#include <memory>
#include "test/core/util/port.h"
#include "test/core/util/test_config.h"
#include "test/cpp/util/echo_duplicate.grpc.pb.h"
#include "test/cpp/util/echo.grpc.pb.h"
#include <grpc++/async_unary_call.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++/server_credentials.h>
#include <grpc++/status.h>
#include <grpc++/stream.h>
#include <grpc++/time.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 {
void* tag(int i) { return (void*)(gpr_intptr) i; }
void verify_ok(CompletionQueue* cq, int i, bool expect_ok) { bool ok;
void* got_tag;
EXPECT_TRUE(cq->Next(&got_tag, &ok));
EXPECT_EQ(expect_ok, ok);
EXPECT_EQ(tag(i), got_tag);
}
void verify_timed_ok(
CompletionQueue* cq, int i, bool expect_ok,
std::chrono::system_clock::time_point deadline =
std::chrono::system_clock::time_point::max(),
CompletionQueue::NextStatus expected_outcome = CompletionQueue::GOT_EVENT) {
bool ok;
void* got_tag;
EXPECT_EQ(cq->AsyncNext(&got_tag, &ok, deadline), expected_outcome);
if (expected_outcome == CompletionQueue::GOT_EVENT) {
EXPECT_EQ(expect_ok, ok);
EXPECT_EQ(tag(i), got_tag);
}
}
class AsyncEnd2endTest : public ::testing::Test {
protected:
AsyncEnd2endTest() : service_(&srv_cq_) {}
void SetUp() GRPC_OVERRIDE {
int port = grpc_pick_unused_port_or_die();
server_address_ << "localhost:" << port;
// Setup server
ServerBuilder builder;
builder.AddListeningPort(server_address_.str(), grpc::InsecureServerCredentials());
builder.RegisterAsyncService(&service_);
server_ = builder.BuildAndStart();
}
void TearDown() GRPC_OVERRIDE {
server_->Shutdown();
void* ignored_tag;
bool ignored_ok;
cli_cq_.Shutdown();
srv_cq_.Shutdown();
while (cli_cq_.Next(&ignored_tag, &ignored_ok))
;
while (srv_cq_.Next(&ignored_tag, &ignored_ok))
;
}
void ResetStub() {
std::shared_ptr<ChannelInterface> channel = CreateChannel(
server_address_.str(), InsecureCredentials(), ChannelArguments());
stub_ = std::move(grpc::cpp::test::util::TestService::NewStub(channel));
}
void server_ok(int i) { verify_ok(&srv_cq_, i, true); }
void client_ok(int i) { verify_ok(&cli_cq_, i, true); }
void server_fail(int i) { verify_ok(&srv_cq_, i, false); }
void client_fail(int i) { verify_ok(&cli_cq_, i, false); }
void SendRpc(int num_rpcs) {
for (int i = 0; i < num_rpcs; i++) {
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");
std::unique_ptr<ClientAsyncResponseReader<EchoResponse> > response_reader(
stub_->AsyncEcho(&cli_ctx, send_request, &cli_cq_, tag(1)));
service_.RequestEcho(&srv_ctx, &recv_request, &response_writer, &srv_cq_,
tag(2));
server_ok(2);
EXPECT_EQ(send_request.message(), recv_request.message());
client_ok(1);
send_response.set_message(recv_request.message());
response_writer.Finish(send_response, Status::OK, tag(3));
server_ok(3);
response_reader->Finish(&recv_response, &recv_status, tag(4));
client_ok(4);
EXPECT_EQ(send_response.message(), recv_response.message());
EXPECT_TRUE(recv_status.IsOk());
}
}
CompletionQueue cli_cq_;
CompletionQueue srv_cq_;
std::unique_ptr<grpc::cpp::test::util::TestService::Stub> stub_;
std::unique_ptr<Server> server_;
grpc::cpp::test::util::TestService::AsyncService service_;
std::ostringstream server_address_;
};
TEST_F(AsyncEnd2endTest, SimpleRpc) {
ResetStub();
SendRpc(1);
}
TEST_F(AsyncEnd2endTest, SequentialRpcs) {
ResetStub();
SendRpc(10);
}
// Test a simple RPC using the async version of Next
TEST_F(AsyncEnd2endTest, AsyncNextRpc) {
ResetStub();
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");
std::unique_ptr<ClientAsyncResponseReader<EchoResponse> > response_reader(
stub_->AsyncEcho(&cli_ctx, send_request, &cli_cq_, tag(1)));
std::chrono::system_clock::time_point time_now(
std::chrono::system_clock::now());
std::chrono::system_clock::time_point time_limit(
std::chrono::system_clock::now() + std::chrono::seconds(10));
verify_timed_ok(&srv_cq_, -1, true, time_now, CompletionQueue::TIMEOUT);
verify_timed_ok(&cli_cq_, -1, true, time_now, CompletionQueue::TIMEOUT);
service_.RequestEcho(&srv_ctx, &recv_request, &response_writer, &srv_cq_,
tag(2));
verify_timed_ok(&srv_cq_, 2, true, time_limit); EXPECT_EQ(send_request.message(), recv_request.message());
verify_timed_ok(&cli_cq_, 1, true, time_limit);
send_response.set_message(recv_request.message());
response_writer.Finish(send_response, Status::OK, tag(3));
verify_timed_ok(&srv_cq_, 3, true);
response_reader->Finish(&recv_response, &recv_status, tag(4));
verify_timed_ok(&cli_cq_, 4, true);
EXPECT_EQ(send_response.message(), recv_response.message());
EXPECT_TRUE(recv_status.IsOk());
}
// Two pings and a final pong.
TEST_F(AsyncEnd2endTest, SimpleClientStreaming) {
ResetStub();
EchoRequest send_request;
EchoRequest recv_request;
EchoResponse send_response;
EchoResponse recv_response;
Status recv_status;
ClientContext cli_ctx;
ServerContext srv_ctx;
ServerAsyncReader<EchoResponse, EchoRequest> srv_stream(&srv_ctx);
send_request.set_message("Hello");
std::unique_ptr<ClientAsyncWriter<EchoRequest> > cli_stream(
stub_->AsyncRequestStream(&cli_ctx, &recv_response, &cli_cq_, tag(1)));
service_.RequestRequestStream(&srv_ctx, &srv_stream, &srv_cq_, tag(2));
server_ok(2);
client_ok(1);
cli_stream->Write(send_request, tag(3));
client_ok(3);
srv_stream.Read(&recv_request, tag(4));
server_ok(4);
EXPECT_EQ(send_request.message(), recv_request.message());
cli_stream->Write(send_request, tag(5));
client_ok(5);
srv_stream.Read(&recv_request, tag(6));
server_ok(6);
EXPECT_EQ(send_request.message(), recv_request.message());
cli_stream->WritesDone(tag(7));
client_ok(7);
srv_stream.Read(&recv_request, tag(8));
server_fail(8);
send_response.set_message(recv_request.message());
srv_stream.Finish(send_response, Status::OK, tag(9));
server_ok(9);
cli_stream->Finish(&recv_status, tag(10));
client_ok(10);
EXPECT_EQ(send_response.message(), recv_response.message());
EXPECT_TRUE(recv_status.IsOk());
}
// One ping, two pongs.
TEST_F(AsyncEnd2endTest, SimpleServerStreaming) {
ResetStub();
EchoRequest send_request;
EchoRequest recv_request;
EchoResponse send_response;
EchoResponse recv_response;
Status recv_status;
ClientContext cli_ctx;
ServerContext srv_ctx;
ServerAsyncWriter<EchoResponse> srv_stream(&srv_ctx);
send_request.set_message("Hello");
std::unique_ptr<ClientAsyncReader<EchoResponse> > cli_stream(
stub_->AsyncResponseStream(&cli_ctx, send_request, &cli_cq_, tag(1)));
service_.RequestResponseStream(&srv_ctx, &recv_request, &srv_stream, &srv_cq_,
tag(2));
server_ok(2);
client_ok(1);
EXPECT_EQ(send_request.message(), recv_request.message());
send_response.set_message(recv_request.message());
srv_stream.Write(send_response, tag(3));
server_ok(3);
cli_stream->Read(&recv_response, tag(4));
client_ok(4);
EXPECT_EQ(send_response.message(), recv_response.message());
srv_stream.Write(send_response, tag(5));
server_ok(5);
cli_stream->Read(&recv_response, tag(6));
client_ok(6);
EXPECT_EQ(send_response.message(), recv_response.message());
srv_stream.Finish(Status::OK, tag(7));
server_ok(7);
cli_stream->Read(&recv_response, tag(8));
client_fail(8);
cli_stream->Finish(&recv_status, tag(9));
client_ok(9);
EXPECT_TRUE(recv_status.IsOk());
}
// One ping, one pong.
TEST_F(AsyncEnd2endTest, SimpleBidiStreaming) {
ResetStub();
EchoRequest send_request;
EchoRequest recv_request;
EchoResponse send_response;
EchoResponse recv_response;
Status recv_status;
ClientContext cli_ctx;
ServerContext srv_ctx;
ServerAsyncReaderWriter<EchoResponse, EchoRequest> srv_stream(&srv_ctx);
send_request.set_message("Hello");
std::unique_ptr<ClientAsyncReaderWriter<EchoRequest, EchoResponse> >
cli_stream(stub_->AsyncBidiStream(&cli_ctx, &cli_cq_, tag(1)));
service_.RequestBidiStream(&srv_ctx, &srv_stream, &srv_cq_, tag(2));
server_ok(2);
client_ok(1);
cli_stream->Write(send_request, tag(3));
client_ok(3);
srv_stream.Read(&recv_request, tag(4));
server_ok(4);
EXPECT_EQ(send_request.message(), recv_request.message());
send_response.set_message(recv_request.message());
srv_stream.Write(send_response, tag(5));
server_ok(5);
cli_stream->Read(&recv_response, tag(6));
client_ok(6);
EXPECT_EQ(send_response.message(), recv_response.message());
cli_stream->WritesDone(tag(7));
client_ok(7);
srv_stream.Read(&recv_request, tag(8));
server_fail(8);
srv_stream.Finish(Status::OK, tag(9));
server_ok(9);
cli_stream->Finish(&recv_status, tag(10));
client_ok(10);
EXPECT_TRUE(recv_status.IsOk());
}
// Metadata tests
TEST_F(AsyncEnd2endTest, ClientInitialMetadataRpc) {
ResetStub();
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");
std::pair<grpc::string, grpc::string> meta1("key1", "val1");
std::pair<grpc::string, grpc::string> meta2("key2", "val2");
cli_ctx.AddMetadata(meta1.first, meta1.second);
cli_ctx.AddMetadata(meta2.first, meta2.second);
std::unique_ptr<ClientAsyncResponseReader<EchoResponse> > response_reader(
stub_->AsyncEcho(&cli_ctx, send_request, &cli_cq_, tag(1)));
service_.RequestEcho(&srv_ctx, &recv_request, &response_writer, &srv_cq_,
tag(2));
server_ok(2);
EXPECT_EQ(send_request.message(), recv_request.message());
auto client_initial_metadata = srv_ctx.client_metadata();
EXPECT_EQ(meta1.second, client_initial_metadata.find(meta1.first)->second);
EXPECT_EQ(meta2.second, client_initial_metadata.find(meta2.first)->second);
EXPECT_EQ(static_cast<size_t>(2), client_initial_metadata.size());
client_ok(1);
send_response.set_message(recv_request.message());
response_writer.Finish(send_response, Status::OK, tag(3));
server_ok(3);
response_reader->Finish(&recv_response, &recv_status, tag(4));
client_ok(4);
EXPECT_EQ(send_response.message(), recv_response.message());
EXPECT_TRUE(recv_status.IsOk());
}
TEST_F(AsyncEnd2endTest, ServerInitialMetadataRpc) {
ResetStub();
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");
std::pair<grpc::string, grpc::string> meta1("key1", "val1");
std::pair<grpc::string, grpc::string> meta2("key2", "val2");
std::unique_ptr<ClientAsyncResponseReader<EchoResponse> > response_reader(
stub_->AsyncEcho(&cli_ctx, send_request, &cli_cq_, tag(1)));
service_.RequestEcho(&srv_ctx, &recv_request, &response_writer, &srv_cq_,
tag(2));
server_ok(2);
EXPECT_EQ(send_request.message(), recv_request.message());
srv_ctx.AddInitialMetadata(meta1.first, meta1.second);
srv_ctx.AddInitialMetadata(meta2.first, meta2.second);
client_ok(1);
response_writer.SendInitialMetadata(tag(3));
server_ok(3);
response_reader->ReadInitialMetadata(tag(4));
client_ok(4);
auto server_initial_metadata = cli_ctx.GetServerInitialMetadata();
EXPECT_EQ(meta1.second, server_initial_metadata.find(meta1.first)->second);
EXPECT_EQ(meta2.second, server_initial_metadata.find(meta2.first)->second);
EXPECT_EQ(static_cast<size_t>(2), server_initial_metadata.size());
send_response.set_message(recv_request.message());
response_writer.Finish(send_response, Status::OK, tag(5));
server_ok(5);
response_reader->Finish(&recv_response, &recv_status, tag(6));
client_ok(6);
EXPECT_EQ(send_response.message(), recv_response.message());
EXPECT_TRUE(recv_status.IsOk());
}
TEST_F(AsyncEnd2endTest, ServerTrailingMetadataRpc) {
ResetStub();
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");
std::pair<grpc::string, grpc::string> meta1("key1", "val1");
std::pair<grpc::string, grpc::string> meta2("key2", "val2");
std::unique_ptr<ClientAsyncResponseReader<EchoResponse> > response_reader(
stub_->AsyncEcho(&cli_ctx, send_request, &cli_cq_, tag(1)));
service_.RequestEcho(&srv_ctx, &recv_request, &response_writer, &srv_cq_,
tag(2));
server_ok(2);
EXPECT_EQ(send_request.message(), recv_request.message());
response_writer.SendInitialMetadata(tag(3));
server_ok(3);
client_ok(1);
send_response.set_message(recv_request.message());
srv_ctx.AddTrailingMetadata(meta1.first, meta1.second);
srv_ctx.AddTrailingMetadata(meta2.first, meta2.second);
response_writer.Finish(send_response, Status::OK, tag(4));
server_ok(4);
response_reader->Finish(&recv_response, &recv_status, tag(5));
client_ok(5);
EXPECT_EQ(send_response.message(), recv_response.message());
EXPECT_TRUE(recv_status.IsOk());
auto server_trailing_metadata = cli_ctx.GetServerTrailingMetadata();
EXPECT_EQ(meta1.second, server_trailing_metadata.find(meta1.first)->second);
EXPECT_EQ(meta2.second, server_trailing_metadata.find(meta2.first)->second);
EXPECT_EQ(static_cast<size_t>(2), server_trailing_metadata.size());
}
TEST_F(AsyncEnd2endTest, MetadataRpc) {
ResetStub();
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");
std::pair<grpc::string, grpc::string> meta1("key1", "val1");
std::pair<grpc::string, grpc::string> meta2(
"key2-bin",
grpc::string("\xc0\xc1\xc2\xc3\xc4\xc5\xc6\xc7\xc8\xc9\xca\xcb\xcc",
13));
std::pair<grpc::string, grpc::string> meta3("key3", "val3");
std::pair<grpc::string, grpc::string> meta6(
"key4-bin",
grpc::string("\x10\x11\x12\x13\x14\x15\x16\x17\x18\x19\x1a\x1b\x1c\x1d",
14));
std::pair<grpc::string, grpc::string> meta5("key5", "val5");
std::pair<grpc::string, grpc::string> meta4(
"key6-bin",
grpc::string("\xe0\xe1\xe2\xe3\xe4\xe5\xe6\xe7\xe8\xe9\xea\xeb\xec\xed\xee",
15));
cli_ctx.AddMetadata(meta1.first, meta1.second);
cli_ctx.AddMetadata(meta2.first, meta2.second);
std::unique_ptr<ClientAsyncResponseReader<EchoResponse> > response_reader(
stub_->AsyncEcho(&cli_ctx, send_request, &cli_cq_, tag(1)));
service_.RequestEcho(&srv_ctx, &recv_request, &response_writer, &srv_cq_,
tag(2));
server_ok(2);
EXPECT_EQ(send_request.message(), recv_request.message());
auto client_initial_metadata = srv_ctx.client_metadata();
EXPECT_EQ(meta1.second, client_initial_metadata.find(meta1.first)->second); EXPECT_EQ(meta2.second, client_initial_metadata.find(meta2.first)->second);
EXPECT_EQ(static_cast<size_t>(2), client_initial_metadata.size());
client_ok(1);
srv_ctx.AddInitialMetadata(meta3.first, meta3.second);
srv_ctx.AddInitialMetadata(meta4.first, meta4.second);
response_writer.SendInitialMetadata(tag(3));
server_ok(3);
response_reader->ReadInitialMetadata(tag(4));
client_ok(4);
auto server_initial_metadata = cli_ctx.GetServerInitialMetadata();
EXPECT_EQ(meta3.second, server_initial_metadata.find(meta3.first)->second);
EXPECT_EQ(meta4.second, server_initial_metadata.find(meta4.first)->second);
EXPECT_EQ(static_cast<size_t>(2), server_initial_metadata.size());
send_response.set_message(recv_request.message());
srv_ctx.AddTrailingMetadata(meta5.first, meta5.second);
srv_ctx.AddTrailingMetadata(meta6.first, meta6.second);
response_writer.Finish(send_response, Status::OK, tag(5));
server_ok(5);
response_reader->Finish(&recv_response, &recv_status, tag(6));
client_ok(6);
EXPECT_EQ(send_response.message(), recv_response.message());
EXPECT_TRUE(recv_status.IsOk());
auto server_trailing_metadata = cli_ctx.GetServerTrailingMetadata();
EXPECT_EQ(meta5.second, server_trailing_metadata.find(meta5.first)->second);
EXPECT_EQ(meta6.second, server_trailing_metadata.find(meta6.first)->second);
EXPECT_EQ(static_cast<size_t>(2), server_trailing_metadata.size());
}
} // namespace
} // namespace testing
} // namespace grpc
int main(int argc, char** argv) {
grpc_test_init(argc, argv);
::testing::InitGoogleTest(&argc, argv);
return RUN_ALL_TESTS();
}