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*
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#include <mutex>
#include <thread>
#include <grpc++/channel.h>
#include <grpc++/client_context.h>
#include <grpc++/create_channel.h>
#include <grpc++/security/auth_metadata_processor.h>
#include <grpc++/security/credentials.h>
#include <grpc++/security/server_credentials.h>
#include <grpc++/server.h>
#include <grpc++/server_builder.h>
#include <grpc++/server_context.h>
#include <grpc/grpc.h>
#include <grpc/support/thd.h>
#include <grpc/support/time.h>
#include <gtest/gtest.h>
#include "src/core/security/credentials.h"
#include "src/proto/grpc/testing/duplicate/echo_duplicate.grpc.pb.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/test_service_impl.h"
#include "test/cpp/util/string_ref_helper.h"
#include "test/cpp/util/test_credentials_provider.h"
using grpc::testing::EchoRequest;
using grpc::testing::EchoResponse;
using grpc::testing::kTlsCredentialsType;
using std::chrono::system_clock;
namespace grpc {
namespace testing {
namespace {
bool CheckIsLocalhost(const grpc::string& addr) {
const grpc::string kIpv6("ipv6:[::1]:");
const grpc::string kIpv4MappedIpv6("ipv6:[::ffff:127.0.0.1]:");
const grpc::string kIpv4("ipv4:127.0.0.1:");
return addr.substr(0, kIpv4.size()) == kIpv4 ||
addr.substr(0, kIpv4MappedIpv6.size()) == kIpv4MappedIpv6 ||
addr.substr(0, kIpv6.size()) == kIpv6;
}
class TestMetadataCredentialsPlugin : public MetadataCredentialsPlugin {
public:
static const char kMetadataKey[];
TestMetadataCredentialsPlugin(grpc::string_ref metadata_value,
bool is_blocking, bool is_successful)
: metadata_value_(metadata_value.data(), metadata_value.length()),
is_blocking_(is_blocking),
is_successful_(is_successful) {}
bool IsBlocking() const GRPC_OVERRIDE { return is_blocking_; }
Status GetMetadata(grpc::string_ref service_url, grpc::string_ref method_name,
const grpc::AuthContext& channel_auth_context,
std::multimap<grpc::string, grpc::string>* metadata)
GRPC_OVERRIDE {
EXPECT_GT(service_url.length(), 0UL);
EXPECT_GT(method_name.length(), 0UL);
EXPECT_TRUE(channel_auth_context.IsPeerAuthenticated());
EXPECT_TRUE(metadata != nullptr);
if (is_successful_) {
metadata->insert(std::make_pair(kMetadataKey, metadata_value_));
return Status::OK;
} else {
return Status(StatusCode::NOT_FOUND, "Could not find plugin metadata.");
}
}
private:
grpc::string metadata_value_;
bool is_blocking_;
bool is_successful_;
};
const char TestMetadataCredentialsPlugin::kMetadataKey[] = "TestPluginMetadata";
class TestAuthMetadataProcessor : public AuthMetadataProcessor {
public:
static const char kGoodGuy[];
TestAuthMetadataProcessor(bool is_blocking) : is_blocking_(is_blocking) {}
std::shared_ptr<CallCredentials> GetCompatibleClientCreds() {
return MetadataCredentialsFromPlugin(
std::unique_ptr<MetadataCredentialsPlugin>(
new TestMetadataCredentialsPlugin(kGoodGuy, is_blocking_, true)));
}
std::shared_ptr<CallCredentials> GetIncompatibleClientCreds() {
return MetadataCredentialsFromPlugin(
std::unique_ptr<MetadataCredentialsPlugin>(
new TestMetadataCredentialsPlugin("Mr Hyde", is_blocking_, true)));
}
// Interface implementation
bool IsBlocking() const GRPC_OVERRIDE { return is_blocking_; }
Status Process(const InputMetadata& auth_metadata, AuthContext* context,
OutputMetadata* consumed_auth_metadata,
OutputMetadata* response_metadata) GRPC_OVERRIDE {
EXPECT_TRUE(consumed_auth_metadata != nullptr);
EXPECT_TRUE(context != nullptr);
EXPECT_TRUE(response_metadata != nullptr);
auto auth_md =
auth_metadata.find(TestMetadataCredentialsPlugin::kMetadataKey);
EXPECT_NE(auth_md, auth_metadata.end());
string_ref auth_md_value = auth_md->second;
if (auth_md_value == kGoodGuy) {
context->AddProperty(kIdentityPropName, kGoodGuy);
context->SetPeerIdentityPropertyName(kIdentityPropName);
consumed_auth_metadata->insert(std::make_pair(
string(auth_md->first.data(), auth_md->first.length()),
string(auth_md->second.data(), auth_md->second.length())));
return Status::OK;
} else {
return Status(StatusCode::UNAUTHENTICATED,
string("Invalid principal: ") +
string(auth_md_value.data(), auth_md_value.length()));
}
}
private:
static const char kIdentityPropName[];
bool is_blocking_;
};
const char TestAuthMetadataProcessor::kGoodGuy[] = "Dr Jekyll";
const char TestAuthMetadataProcessor::kIdentityPropName[] = "novel identity";
class Proxy : public ::grpc::testing::EchoTestService::Service {
public:
Proxy(std::shared_ptr<Channel> channel)
: stub_(grpc::testing::EchoTestService::NewStub(channel)) {}
Status Echo(ServerContext* server_context, const EchoRequest* request,
EchoResponse* response) GRPC_OVERRIDE {
std::unique_ptr<ClientContext> client_context =
ClientContext::FromServerContext(*server_context);
return stub_->Echo(client_context.get(), *request, response);
}
private:
std::unique_ptr< ::grpc::testing::EchoTestService::Stub> stub_;
};
class TestServiceImplDupPkg
: public ::grpc::testing::duplicate::EchoTestService::Service {
public:
Status Echo(ServerContext* context, const EchoRequest* request,
EchoResponse* response) GRPC_OVERRIDE {
response->set_message("no package");
return Status::OK;
}
};
class TestScenario {
public:
TestScenario(bool proxy, const grpc::string& creds_type)
: use_proxy(proxy), credentials_type(creds_type) {}
void Log() const {
gpr_log(GPR_INFO, "Scenario: proxy %d, credentials %s", use_proxy,
credentials_type.c_str());
}
bool use_proxy;
const grpc::string credentials_type;
};
class End2endTest : public ::testing::TestWithParam<TestScenario> {
protected:
End2endTest()
: is_server_started_(false),
kMaxMessageSize_(8192),
special_service_("special") {
GetParam().Log();
}
void TearDown() GRPC_OVERRIDE {
if (is_server_started_) {
server_->Shutdown();
if (proxy_server_) proxy_server_->Shutdown();
}
}
void StartServer(const std::shared_ptr<AuthMetadataProcessor>& processor) {
int port = grpc_pick_unused_port_or_die();
server_address_ << "127.0.0.1:" << port;
// Setup server
ServerBuilder builder;
auto server_creds = GetServerCredentials(GetParam().credentials_type);
if (GetParam().credentials_type != kInsecureCredentialsType) {
server_creds->SetAuthMetadataProcessor(processor);
}
builder.AddListeningPort(server_address_.str(), server_creds);
builder.RegisterService(&service_);
builder.RegisterService("foo.test.youtube.com", &special_service_);
builder.SetMaxMessageSize(
kMaxMessageSize_); // For testing max message size.
builder.RegisterService(&dup_pkg_service_);
server_ = builder.BuildAndStart();
is_server_started_ = true;
}
void ResetChannel() {
if (!is_server_started_) {
StartServer(std::shared_ptr<AuthMetadataProcessor>());
}
EXPECT_TRUE(is_server_started_);
ChannelArguments args;
auto channel_creds =
GetChannelCredentials(GetParam().credentials_type, &args);
if (!user_agent_prefix_.empty()) {
args.SetUserAgentPrefix(user_agent_prefix_);
}
args.SetString(GRPC_ARG_SECONDARY_USER_AGENT_STRING, "end2end_test");
channel_ = CreateCustomChannel(server_address_.str(), channel_creds, args);
}
void ResetStub() {
ResetChannel();
if (GetParam().use_proxy) {
proxy_service_.reset(new Proxy(channel_));
int port = grpc_pick_unused_port_or_die();
std::ostringstream proxyaddr;
proxyaddr << "localhost:" << port;
ServerBuilder builder;
builder.AddListeningPort(proxyaddr.str(), InsecureServerCredentials());
builder.RegisterService(proxy_service_.get());
proxy_server_ = builder.BuildAndStart();
channel_ = CreateChannel(proxyaddr.str(), InsecureChannelCredentials());
}
stub_ = grpc::testing::EchoTestService::NewStub(channel_);
}
bool is_server_started_;
std::shared_ptr<Channel> channel_;
std::unique_ptr<grpc::testing::EchoTestService::Stub> stub_;
std::unique_ptr<Server> server_;
std::unique_ptr<Server> proxy_server_;
std::unique_ptr<Proxy> proxy_service_;
std::ostringstream server_address_;
const int kMaxMessageSize_;
TestServiceImpl service_;
TestServiceImpl special_service_;
TestServiceImplDupPkg dup_pkg_service_;
grpc::string user_agent_prefix_;
};
static void SendRpc(grpc::testing::EchoTestService::Stub* stub, int num_rpcs,
bool with_binary_metadata) {
EchoRequest request;
EchoResponse response;
request.set_message("Hello hello hello hello");
for (int i = 0; i < num_rpcs; ++i) {
ClientContext context;
if (with_binary_metadata) {
char bytes[8] = {'\0', '\1', '\2', '\3', '\4', '\5', '\6', (char)i};
context.AddMetadata("custom-bin", grpc::string(bytes, 8));
}
context.set_compression_algorithm(GRPC_COMPRESS_GZIP);
Status s = stub->Echo(&context, request, &response);
EXPECT_EQ(response.message(), request.message());
EXPECT_TRUE(s.ok());
}
}
// This class is for testing scenarios where RPCs are cancelled on the server
// by calling ServerContext::TryCancel()
class End2endServerTryCancelTest : public End2endTest {
protected:
// Helper for testing client-streaming RPCs which are cancelled on the server.
// Depending on the value of server_try_cancel parameter, this will test one
// of the following three scenarios:
// CANCEL_BEFORE_PROCESSING: Rpc is cancelled by the server before reading
// any messages from the client
//
// CANCEL_DURING_PROCESSING: Rpc is cancelled by the server while reading
// messages from the client
//
// CANCEL_AFTER PROCESSING: Rpc is cancelled by server after reading all
// the messages from the client
//
// NOTE: Do not call this function with server_try_cancel == DO_NOT_CANCEL.
void TestRequestStreamServerCancel(
ServerTryCancelRequestPhase server_try_cancel, int num_msgs_to_send) {
ResetStub();
EchoRequest request;
EchoResponse response;
ClientContext context;
// Send server_try_cancel value in the client metadata
context.AddMetadata(kServerTryCancelRequest,
std::to_string(server_try_cancel));
auto stream = stub_->RequestStream(&context, &response);
int num_msgs_sent = 0;
while (num_msgs_sent < num_msgs_to_send) {
request.set_message("hello");
if (!stream->Write(request)) {
break;
}
num_msgs_sent++;
}
gpr_log(GPR_INFO, "Sent %d messages", num_msgs_sent);
stream->WritesDone();
Status s = stream->Finish();
// At this point, we know for sure that RPC was cancelled by the server
// since we passed server_try_cancel value in the metadata. Depending on the
// value of server_try_cancel, the RPC might have been cancelled by the
// server at different stages. The following validates our expectations of
// number of messages sent in various cancellation scenarios:
switch (server_try_cancel) {
case CANCEL_BEFORE_PROCESSING:
case CANCEL_DURING_PROCESSING:
// If the RPC is cancelled by server before / during messages from the
// client, it means that the client most likely did not get a chance to
// send all the messages it wanted to send. i.e num_msgs_sent <=
// num_msgs_to_send
EXPECT_LE(num_msgs_sent, num_msgs_to_send);
break;
case CANCEL_AFTER_PROCESSING:
// If the RPC was cancelled after all messages were read by the server,
// the client did get a chance to send all its messages
EXPECT_EQ(num_msgs_sent, num_msgs_to_send);
break;
default:
gpr_log(GPR_ERROR, "Invalid server_try_cancel value: %d",
server_try_cancel);
EXPECT_TRUE(server_try_cancel > DO_NOT_CANCEL &&
server_try_cancel <= CANCEL_AFTER_PROCESSING);
break;
}
EXPECT_FALSE(s.ok());
EXPECT_EQ(grpc::StatusCode::CANCELLED, s.error_code());
}
// Helper for testing server-streaming RPCs which are cancelled on the server.
// Depending on the value of server_try_cancel parameter, this will test one
// of the following three scenarios:
// CANCEL_BEFORE_PROCESSING: Rpc is cancelled by the server before writing
// any messages to the client
//
// CANCEL_DURING_PROCESSING: Rpc is cancelled by the server while writing
// messages to the client
//
// CANCEL_AFTER PROCESSING: Rpc is cancelled by server after writing all
// the messages to the client
//
// NOTE: Do not call this function with server_try_cancel == DO_NOT_CANCEL.
void TestResponseStreamServerCancel(
ServerTryCancelRequestPhase server_try_cancel) {
ResetStub();
EchoRequest request;
EchoResponse response;
ClientContext context;
// Send server_try_cancel in the client metadata
context.AddMetadata(kServerTryCancelRequest,
std::to_string(server_try_cancel));
request.set_message("hello");
auto stream = stub_->ResponseStream(&context, request);
int num_msgs_read = 0;
while (num_msgs_read < kNumResponseStreamsMsgs) {
if (!stream->Read(&response)) {
break;
}
EXPECT_EQ(response.message(),
request.message() + std::to_string(num_msgs_read));
num_msgs_read++;
}
gpr_log(GPR_INFO, "Read %d messages", num_msgs_read);
Status s = stream->Finish();
// Depending on the value of server_try_cancel, the RPC might have been
// cancelled by the server at different stages. The following validates our
// expectations of number of messages read in various cancellation
// scenarios:
switch (server_try_cancel) {
case CANCEL_BEFORE_PROCESSING:
// Server cancelled before sending any messages. Which means the client
// wouldn't have read any
EXPECT_EQ(num_msgs_read, 0);
break;
case CANCEL_DURING_PROCESSING:
// Server cancelled while writing messages. Client must have read less
// than or equal to the expected number of messages
EXPECT_LE(num_msgs_read, kNumResponseStreamsMsgs);
break;
case CANCEL_AFTER_PROCESSING:
// Even though the Server cancelled after writing all messages, the RPC
// may be cancelled before the Client got a chance to read all the
// messages.
EXPECT_LE(num_msgs_read, kNumResponseStreamsMsgs);
break;
default: {
gpr_log(GPR_ERROR, "Invalid server_try_cancel value: %d",
server_try_cancel);
EXPECT_TRUE(server_try_cancel > DO_NOT_CANCEL &&
server_try_cancel <= CANCEL_AFTER_PROCESSING);
break;
}
}
EXPECT_FALSE(s.ok());
EXPECT_EQ(grpc::StatusCode::CANCELLED, s.error_code());
}
// Helper for testing bidirectional-streaming RPCs which are cancelled on the
// server. Depending on the value of server_try_cancel parameter, this will
// test one of the following three scenarios:
// CANCEL_BEFORE_PROCESSING: Rpc is cancelled by the server before reading/
// writing any messages from/to the client
//
// CANCEL_DURING_PROCESSING: Rpc is cancelled by the server while reading/
// writing messages from/to the client
//
// CANCEL_AFTER PROCESSING: Rpc is cancelled by server after reading/writing
// all the messages from/to the client
//
// NOTE: Do not call this function with server_try_cancel == DO_NOT_CANCEL.
void TestBidiStreamServerCancel(ServerTryCancelRequestPhase server_try_cancel,
int num_messages) {
ResetStub();
EchoRequest request;
EchoResponse response;
ClientContext context;
// Send server_try_cancel in the client metadata
context.AddMetadata(kServerTryCancelRequest,
std::to_string(server_try_cancel));
auto stream = stub_->BidiStream(&context);
int num_msgs_read = 0;
int num_msgs_sent = 0;
while (num_msgs_sent < num_messages) {
request.set_message("hello " + std::to_string(num_msgs_sent));
if (!stream->Write(request)) {
break;
}
num_msgs_sent++;
if (!stream->Read(&response)) {
break;
}
num_msgs_read++;
EXPECT_EQ(response.message(), request.message());
}
gpr_log(GPR_INFO, "Sent %d messages", num_msgs_sent);
gpr_log(GPR_INFO, "Read %d messages", num_msgs_read);
stream->WritesDone();
Status s = stream->Finish();
// Depending on the value of server_try_cancel, the RPC might have been
// cancelled by the server at different stages. The following validates our
// expectations of number of messages read in various cancellation
// scenarios:
switch (server_try_cancel) {
case CANCEL_BEFORE_PROCESSING:
EXPECT_EQ(num_msgs_read, 0);
break;
case CANCEL_DURING_PROCESSING:
EXPECT_LE(num_msgs_sent, num_messages);
EXPECT_LE(num_msgs_read, num_msgs_sent);
break;
case CANCEL_AFTER_PROCESSING:
EXPECT_EQ(num_msgs_sent, num_messages);
// The Server cancelled after reading the last message and after writing
// the message to the client. However, the RPC cancellation might have
// taken effect before the client actually read the response.
EXPECT_LE(num_msgs_read, num_msgs_sent);
break;
default:
gpr_log(GPR_ERROR, "Invalid server_try_cancel value: %d",
server_try_cancel);
EXPECT_TRUE(server_try_cancel > DO_NOT_CANCEL &&
server_try_cancel <= CANCEL_AFTER_PROCESSING);
break;
}
EXPECT_FALSE(s.ok());
EXPECT_EQ(grpc::StatusCode::CANCELLED, s.error_code());
}
};
TEST_P(End2endServerTryCancelTest, RequestEchoServerCancel) {
ResetStub();
EchoRequest request;
EchoResponse response;
ClientContext context;
context.AddMetadata(kServerTryCancelRequest,
std::to_string(CANCEL_BEFORE_PROCESSING));
Status s = stub_->Echo(&context, request, &response);
EXPECT_FALSE(s.ok());
EXPECT_EQ(grpc::StatusCode::CANCELLED, s.error_code());
}
// Server to cancel before doing reading the request
TEST_P(End2endServerTryCancelTest, RequestStreamServerCancelBeforeReads) {
TestRequestStreamServerCancel(CANCEL_BEFORE_PROCESSING, 1);
}
// Server to cancel while reading a request from the stream in parallel
TEST_P(End2endServerTryCancelTest, RequestStreamServerCancelDuringRead) {
TestRequestStreamServerCancel(CANCEL_DURING_PROCESSING, 10);
}
// Server to cancel after reading all the requests but before returning to the
// client
TEST_P(End2endServerTryCancelTest, RequestStreamServerCancelAfterReads) {
TestRequestStreamServerCancel(CANCEL_AFTER_PROCESSING, 4);
}
// Server to cancel before sending any response messages
TEST_P(End2endServerTryCancelTest, ResponseStreamServerCancelBefore) {
TestResponseStreamServerCancel(CANCEL_BEFORE_PROCESSING);
}
// Server to cancel while writing a response to the stream in parallel
TEST_P(End2endServerTryCancelTest, ResponseStreamServerCancelDuring) {
TestResponseStreamServerCancel(CANCEL_DURING_PROCESSING);
}
// Server to cancel after writing all the respones to the stream but before
// returning to the client
TEST_P(End2endServerTryCancelTest, ResponseStreamServerCancelAfter) {
TestResponseStreamServerCancel(CANCEL_AFTER_PROCESSING);
}
// Server to cancel before reading/writing any requests/responses on the stream
TEST_P(End2endServerTryCancelTest, BidiStreamServerCancelBefore) {
TestBidiStreamServerCancel(CANCEL_BEFORE_PROCESSING, 2);
}
// Server to cancel while reading/writing requests/responses on the stream in
// parallel
TEST_P(End2endServerTryCancelTest, BidiStreamServerCancelDuring) {
TestBidiStreamServerCancel(CANCEL_DURING_PROCESSING, 10);
}
// Server to cancel after reading/writing all requests/responses on the stream
// but before returning to the client
TEST_P(End2endServerTryCancelTest, BidiStreamServerCancelAfter) {
TestBidiStreamServerCancel(CANCEL_AFTER_PROCESSING, 5);
}
TEST_P(End2endTest, SimpleRpcWithCustomeUserAgentPrefix) {
user_agent_prefix_ = "custom_prefix";
ResetStub();
EchoRequest request;
EchoResponse response;
request.set_message("Hello hello hello hello");
request.mutable_param()->set_echo_metadata(true);
ClientContext context;
Status s = stub_->Echo(&context, request, &response);
EXPECT_EQ(response.message(), request.message());
EXPECT_TRUE(s.ok());
const auto& trailing_metadata = context.GetServerTrailingMetadata();
auto iter = trailing_metadata.find("user-agent");
EXPECT_TRUE(iter != trailing_metadata.end());
grpc::string expected_prefix = user_agent_prefix_ + " grpc-c++/";
EXPECT_TRUE(iter->second.starts_with(expected_prefix));
}
TEST_P(End2endTest, MultipleRpcsWithVariedBinaryMetadataValue) {
ResetStub();
std::vector<std::thread*> threads;
for (int i = 0; i < 10; ++i) {
threads.push_back(new std::thread(SendRpc, stub_.get(), 10, true));
}
for (int i = 0; i < 10; ++i) {
threads[i]->join();
delete threads[i];
}
}
TEST_P(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, false));
}
for (int i = 0; i < 10; ++i) {
threads[i]->join();
delete threads[i];
}
}
TEST_P(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.ok());
}
TEST_P(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.ok());
}
TEST_P(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.ok());
}
TEST_P(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));
EXPECT_FALSE(stream->Read(&response));
Status s = stream->Finish();
EXPECT_TRUE(s.ok());
}
// Talk to the two services with the same name but different package names.
// The two stubs are created on the same channel.
TEST_P(End2endTest, DiffPackageServices) {
ResetStub();
EchoRequest request;
EchoResponse response;
request.set_message("Hello");
ClientContext context;
Status s = stub_->Echo(&context, request, &response);
EXPECT_EQ(response.message(), request.message());
EXPECT_TRUE(s.ok());
std::unique_ptr<grpc::testing::duplicate::EchoTestService::Stub> dup_pkg_stub(
grpc::testing::duplicate::EchoTestService::NewStub(channel_));
ClientContext context2;
s = dup_pkg_stub->Echo(&context2, request, &response);
EXPECT_EQ("no package", response.message());
EXPECT_TRUE(s.ok());
}
void CancelRpc(ClientContext* context, int delay_us, TestServiceImpl* service) {
gpr_sleep_until(gpr_time_add(gpr_now(GPR_CLOCK_REALTIME),
gpr_time_from_micros(delay_us, GPR_TIMESPAN)));
while (!service->signal_client()) {
}
context->TryCancel();
}
TEST_P(End2endTest, CancelRpcBeforeStart) {
ResetStub();
EchoRequest request;
EchoResponse response;
ClientContext context;
request.set_message("hello");
context.TryCancel();
Status s = stub_->Echo(&context, request, &response);
EXPECT_EQ("", response.message());
EXPECT_EQ(grpc::StatusCode::CANCELLED, s.error_code());
}
// Client cancels request stream after sending two messages
TEST_P(End2endTest, ClientCancelsRequestStream) {
ResetStub();
EchoRequest request;
EchoResponse response;
ClientContext context;
request.set_message("hello");
auto stream = stub_->RequestStream(&context, &response);
EXPECT_TRUE(stream->Write(request));
EXPECT_TRUE(stream->Write(request));
context.TryCancel();
Status s = stream->Finish();
EXPECT_EQ(grpc::StatusCode::CANCELLED, s.error_code());
EXPECT_EQ(response.message(), "");
}
// Client cancels server stream after sending some messages
TEST_P(End2endTest, ClientCancelsResponseStream) {
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");
context.TryCancel();
// The cancellation races with responses, so there might be zero or
// one responses pending, read till failure
if (stream->Read(&response)) {
EXPECT_EQ(response.message(), request.message() + "2");
// Since we have cancelled, we expect the next attempt to read to fail
EXPECT_FALSE(stream->Read(&response));
}
Status s = stream->Finish();
// The final status could be either of CANCELLED or OK depending on
// who won the race.
EXPECT_GE(grpc::StatusCode::CANCELLED, s.error_code());
}
// Client cancels bidi stream after sending some messages
TEST_P(End2endTest, ClientCancelsBidi) {
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));
context.TryCancel();
// The cancellation races with responses, so there might be zero or
// one responses pending, read till failure
if (stream->Read(&response)) {
EXPECT_EQ(response.message(), request.message());
// Since we have cancelled, we expect the next attempt to read to fail
EXPECT_FALSE(stream->Read(&response));
}
Status s = stream->Finish();
EXPECT_EQ(grpc::StatusCode::CANCELLED, s.error_code());
}
TEST_P(End2endTest, RpcMaxMessageSize) {
ResetStub();
EchoRequest request;
EchoResponse response;
request.set_message(string(kMaxMessageSize_ * 2, 'a'));
ClientContext context;
Status s = stub_->Echo(&context, request, &response);
EXPECT_FALSE(s.ok());
}
// Client sends 20 requests and the server returns CANCELLED status after
// reading 10 requests.
TEST_P(End2endTest, RequestStreamServerEarlyCancelTest) {
ResetStub();
EchoRequest request;
EchoResponse response;
ClientContext context;
context.AddMetadata(kServerCancelAfterReads, "10");
auto stream = stub_->RequestStream(&context, &response);
request.set_message("hello");
int send_messages = 20;
while (send_messages > 10) {
EXPECT_TRUE(stream->Write(request));
send_messages--;
}
while (send_messages > 0) {
stream->Write(request);
send_messages--;
}
stream->WritesDone();
Status s = stream->Finish();
EXPECT_EQ(s.error_code(), StatusCode::CANCELLED);
}
void ReaderThreadFunc(ClientReaderWriter<EchoRequest, EchoResponse>* stream,
gpr_event* ev) {
EchoResponse resp;
gpr_event_set(ev, (void*)1);
while (stream->Read(&resp)) {
gpr_log(GPR_INFO, "Read message");
}
}
// Run a Read and a WritesDone simultaneously.
TEST_P(End2endTest, SimultaneousReadWritesDone) {
ResetStub();
ClientContext context;
gpr_event ev;
gpr_event_init(&ev);
auto stream = stub_->BidiStream(&context);
std::thread reader_thread(ReaderThreadFunc, stream.get(), &ev);
gpr_event_wait(&ev, gpr_inf_future(GPR_CLOCK_REALTIME));
stream->WritesDone();
reader_thread.join();
Status s = stream->Finish();
EXPECT_TRUE(s.ok());
}
TEST_P(End2endTest, ChannelState) {
ResetStub();
// Start IDLE
EXPECT_EQ(GRPC_CHANNEL_IDLE, channel_->GetState(false));
// Did not ask to connect, no state change.
CompletionQueue cq;
std::chrono::system_clock::time_point deadline =
std::chrono::system_clock::now() + std::chrono::milliseconds(10);
channel_->NotifyOnStateChange(GRPC_CHANNEL_IDLE, deadline, &cq, NULL);
void* tag;
bool ok = true;
cq.Next(&tag, &ok);
EXPECT_FALSE(ok);
EXPECT_EQ(GRPC_CHANNEL_IDLE, channel_->GetState(true));
EXPECT_TRUE(channel_->WaitForStateChange(GRPC_CHANNEL_IDLE,
gpr_inf_future(GPR_CLOCK_REALTIME)));
auto state = channel_->GetState(false);
EXPECT_TRUE(state == GRPC_CHANNEL_CONNECTING || state == GRPC_CHANNEL_READY);
}
// Takes 10s.
TEST_P(End2endTest, ChannelStateTimeout) {
if (GetParam().credentials_type != kInsecureCredentialsType) {
return;
}
int port = grpc_pick_unused_port_or_die();
std::ostringstream server_address;
server_address << "127.0.0.1:" << port;
// Channel to non-existing server
auto channel =
CreateChannel(server_address.str(), InsecureChannelCredentials());
// Start IDLE
EXPECT_EQ(GRPC_CHANNEL_IDLE, channel->GetState(true));
auto state = GRPC_CHANNEL_IDLE;
for (int i = 0; i < 10; i++) {
channel->WaitForStateChange(
state, std::chrono::system_clock::now() + std::chrono::seconds(1));
state = channel->GetState(false);
}
}
// Talking to a non-existing service.
TEST_P(End2endTest, NonExistingService) {
ResetChannel();
std::unique_ptr<grpc::testing::UnimplementedService::Stub> stub;
stub = grpc::testing::UnimplementedService::NewStub(channel_);
EchoRequest request;
EchoResponse response;
request.set_message("Hello");
ClientContext context;
Status s = stub->Unimplemented(&context, request, &response);
EXPECT_EQ(StatusCode::UNIMPLEMENTED, s.error_code());
EXPECT_EQ("", s.error_message());
}
//////////////////////////////////////////////////////////////////////////
// Test with and without a proxy.
class ProxyEnd2endTest : public End2endTest {
protected:
};
TEST_P(ProxyEnd2endTest, SimpleRpc) {
ResetStub();
SendRpc(stub_.get(), 1, false);
}
TEST_P(ProxyEnd2endTest, MultipleRpcs) {
ResetStub();
std::vector<std::thread*> threads;
for (int i = 0; i < 10; ++i) {
threads.push_back(new std::thread(SendRpc, stub_.get(), 10, false));
}
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_P(ProxyEnd2endTest, RpcDeadlineExpires) {
ResetStub();
EchoRequest request;
EchoResponse response;
request.set_message("Hello");
request.mutable_param()->set_skip_cancelled_check(true);
ClientContext context;
std::chrono::system_clock::time_point deadline =
std::chrono::system_clock::now() + std::chrono::microseconds(10);
context.set_deadline(deadline);
Status s = stub_->Echo(&context, request, &response);
EXPECT_EQ(StatusCode::DEADLINE_EXCEEDED, s.error_code());
}
// Set a long but finite deadline.
TEST_P(ProxyEnd2endTest, 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_deadline(deadline);
Status s = stub_->Echo(&context, request, &response);
EXPECT_EQ(response.message(), request.message());
EXPECT_TRUE(s.ok());
}
// Ask server to echo back the deadline it sees.
TEST_P(ProxyEnd2endTest, 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_deadline(deadline);
Status s = stub_->Echo(&context, request, &response);
EXPECT_EQ(response.message(), request.message());
EXPECT_TRUE(s.ok());
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_P(ProxyEnd2endTest, 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.ok());
EXPECT_EQ(response.param().request_deadline(),
gpr_inf_future(GPR_CLOCK_REALTIME).tv_sec);
}
TEST_P(ProxyEnd2endTest, UnimplementedRpc) {
ResetStub();
EchoRequest request;
EchoResponse response;
request.set_message("Hello");
ClientContext context;
Status s = stub_->Unimplemented(&context, request, &response);
EXPECT_FALSE(s.ok());
EXPECT_EQ(s.error_code(), grpc::StatusCode::UNIMPLEMENTED);
EXPECT_EQ(s.error_message(), "");
EXPECT_EQ(response.message(), "");
}
// Client cancels rpc after 10ms
TEST_P(ProxyEnd2endTest, ClientCancelsRpc) {
ResetStub();
EchoRequest request;
EchoResponse response;
request.set_message("Hello");
const int kCancelDelayUs = 10 * 1000;
request.mutable_param()->set_client_cancel_after_us(kCancelDelayUs);
ClientContext context;
std::thread cancel_thread(CancelRpc, &context, kCancelDelayUs, &service_);
Status s = stub_->Echo(&context, request, &response);
cancel_thread.join();
EXPECT_EQ(StatusCode::CANCELLED, s.error_code());
EXPECT_EQ(s.error_message(), "Cancelled");
}
// Server cancels rpc after 1ms
TEST_P(ProxyEnd2endTest, ServerCancelsRpc) {
ResetStub();
EchoRequest request;
EchoResponse response;
request.set_message("Hello");
request.mutable_param()->set_server_cancel_after_us(1000);
ClientContext context;
Status s = stub_->Echo(&context, request, &response);
EXPECT_EQ(StatusCode::CANCELLED, s.error_code());
EXPECT_TRUE(s.error_message().empty());
}
// Make the response larger than the flow control window.
TEST_P(ProxyEnd2endTest, HugeResponse) {
ResetStub();
EchoRequest request;
EchoResponse response;
request.set_message("huge response");
const size_t kResponseSize = 1024 * (1024 + 10);
request.mutable_param()->set_response_message_length(kResponseSize);
ClientContext context;
Status s = stub_->Echo(&context, request, &response);
EXPECT_EQ(kResponseSize, response.message().size());
EXPECT_TRUE(s.ok());
}
TEST_P(ProxyEnd2endTest, Peer) {
ResetStub();
EchoRequest request;
EchoResponse response;
request.set_message("hello");
request.mutable_param()->set_echo_peer(true);
ClientContext context;
Status s = stub_->Echo(&context, request, &response);
EXPECT_EQ(response.message(), request.message());
EXPECT_TRUE(s.ok());
EXPECT_TRUE(CheckIsLocalhost(response.param().peer()));
EXPECT_TRUE(CheckIsLocalhost(context.peer()));
}
//////////////////////////////////////////////////////////////////////////
class SecureEnd2endTest : public End2endTest {
protected:
SecureEnd2endTest() {
GPR_ASSERT(!GetParam().use_proxy);
GPR_ASSERT(GetParam().credentials_type != kInsecureCredentialsType);
}
};
TEST_P(SecureEnd2endTest, SimpleRpcWithHost) {
ResetStub();
EchoRequest request;
EchoResponse response;
request.set_message("Hello");
ClientContext context;
context.set_authority("foo.test.youtube.com");
Status s = stub_->Echo(&context, request, &response);
EXPECT_EQ(response.message(), request.message());
EXPECT_TRUE(response.has_param());
EXPECT_EQ("special", response.param().host());
EXPECT_TRUE(s.ok());
}
bool MetadataContains(
const std::multimap<grpc::string_ref, grpc::string_ref>& metadata,
const grpc::string& key, const grpc::string& value) {
int count = 0;
for (std::multimap<grpc::string_ref, grpc::string_ref>::const_iterator iter =
metadata.begin();
iter != metadata.end(); ++iter) {
if (ToString(iter->first) == key && ToString(iter->second) == value) {
count++;
}
}
return count == 1;
}
TEST_P(SecureEnd2endTest, BlockingAuthMetadataPluginAndProcessorSuccess) {
auto* processor = new TestAuthMetadataProcessor(true);
StartServer(std::shared_ptr<AuthMetadataProcessor>(processor));
ResetStub();
EchoRequest request;
EchoResponse response;
ClientContext context;
context.set_credentials(processor->GetCompatibleClientCreds());
request.set_message("Hello");
request.mutable_param()->set_echo_metadata(true);
request.mutable_param()->set_expected_client_identity(
TestAuthMetadataProcessor::kGoodGuy);
request.mutable_param()->set_expected_transport_security_type(
GetParam().credentials_type);
Status s = stub_->Echo(&context, request, &response);
EXPECT_EQ(request.message(), response.message());
EXPECT_TRUE(s.ok());
// Metadata should have been consumed by the processor.
EXPECT_FALSE(MetadataContains(
context.GetServerTrailingMetadata(), GRPC_AUTHORIZATION_METADATA_KEY,
grpc::string("Bearer ") + TestAuthMetadataProcessor::kGoodGuy));
}
TEST_P(SecureEnd2endTest, BlockingAuthMetadataPluginAndProcessorFailure) {
auto* processor = new TestAuthMetadataProcessor(true);
StartServer(std::shared_ptr<AuthMetadataProcessor>(processor));
ResetStub();
EchoRequest request;
EchoResponse response;
ClientContext context;
context.set_credentials(processor->GetIncompatibleClientCreds());
request.set_message("Hello");
Status s = stub_->Echo(&context, request, &response);
EXPECT_FALSE(s.ok());
EXPECT_EQ(s.error_code(), StatusCode::UNAUTHENTICATED);
}
TEST_P(SecureEnd2endTest, SetPerCallCredentials) {
ResetStub();
EchoRequest request;
EchoResponse response;
ClientContext context;
std::shared_ptr<CallCredentials> creds =
GoogleIAMCredentials("fake_token", "fake_selector");
context.set_credentials(creds);
request.set_message("Hello");
request.mutable_param()->set_echo_metadata(true);
Status s = stub_->Echo(&context, request, &response);
EXPECT_EQ(request.message(), response.message());
EXPECT_TRUE(s.ok());
EXPECT_TRUE(MetadataContains(context.GetServerTrailingMetadata(),
GRPC_IAM_AUTHORIZATION_TOKEN_METADATA_KEY,
"fake_token"));
EXPECT_TRUE(MetadataContains(context.GetServerTrailingMetadata(),
GRPC_IAM_AUTHORITY_SELECTOR_METADATA_KEY,
"fake_selector"));
}
TEST_P(SecureEnd2endTest, OverridePerCallCredentials) {
ResetStub();
EchoRequest request;
EchoResponse response;
ClientContext context;
std::shared_ptr<CallCredentials> creds1 =
GoogleIAMCredentials("fake_token1", "fake_selector1");
context.set_credentials(creds1);
std::shared_ptr<CallCredentials> creds2 =
GoogleIAMCredentials("fake_token2", "fake_selector2");
context.set_credentials(creds2);
request.set_message("Hello");
request.mutable_param()->set_echo_metadata(true);
Status s = stub_->Echo(&context, request, &response);
EXPECT_TRUE(MetadataContains(context.GetServerTrailingMetadata(),
GRPC_IAM_AUTHORIZATION_TOKEN_METADATA_KEY,
"fake_token2"));
EXPECT_TRUE(MetadataContains(context.GetServerTrailingMetadata(),
GRPC_IAM_AUTHORITY_SELECTOR_METADATA_KEY,
"fake_selector2"));
EXPECT_FALSE(MetadataContains(context.GetServerTrailingMetadata(),
GRPC_IAM_AUTHORIZATION_TOKEN_METADATA_KEY,
"fake_token1"));
EXPECT_FALSE(MetadataContains(context.GetServerTrailingMetadata(),
GRPC_IAM_AUTHORITY_SELECTOR_METADATA_KEY,
"fake_selector1"));
EXPECT_EQ(request.message(), response.message());
EXPECT_TRUE(s.ok());
}
TEST_P(SecureEnd2endTest, NonBlockingAuthMetadataPluginFailure) {
ResetStub();
EchoRequest request;
EchoResponse response;
ClientContext context;
context.set_credentials(
MetadataCredentialsFromPlugin(std::unique_ptr<MetadataCredentialsPlugin>(
new TestMetadataCredentialsPlugin(
"Does not matter, will fail anyway (see 3rd param)", false,
false))));
request.set_message("Hello");
Status s = stub_->Echo(&context, request, &response);
EXPECT_FALSE(s.ok());
EXPECT_EQ(s.error_code(), StatusCode::UNAUTHENTICATED);
}
TEST_P(SecureEnd2endTest, NonBlockingAuthMetadataPluginAndProcessorSuccess) {
auto* processor = new TestAuthMetadataProcessor(false);
StartServer(std::shared_ptr<AuthMetadataProcessor>(processor));
ResetStub();
EchoRequest request;
EchoResponse response;
ClientContext context;
context.set_credentials(processor->GetCompatibleClientCreds());
request.set_message("Hello");
request.mutable_param()->set_echo_metadata(true);
request.mutable_param()->set_expected_client_identity(
TestAuthMetadataProcessor::kGoodGuy);
request.mutable_param()->set_expected_transport_security_type(
GetParam().credentials_type);
Status s = stub_->Echo(&context, request, &response);
EXPECT_EQ(request.message(), response.message());
EXPECT_TRUE(s.ok());
// Metadata should have been consumed by the processor.
EXPECT_FALSE(MetadataContains(
context.GetServerTrailingMetadata(), GRPC_AUTHORIZATION_METADATA_KEY,
grpc::string("Bearer ") + TestAuthMetadataProcessor::kGoodGuy));
}
TEST_P(SecureEnd2endTest, NonBlockingAuthMetadataPluginAndProcessorFailure) {
auto* processor = new TestAuthMetadataProcessor(false);
StartServer(std::shared_ptr<AuthMetadataProcessor>(processor));
ResetStub();
EchoRequest request;
EchoResponse response;
ClientContext context;
context.set_credentials(processor->GetIncompatibleClientCreds());
request.set_message("Hello");
Status s = stub_->Echo(&context, request, &response);
EXPECT_FALSE(s.ok());
EXPECT_EQ(s.error_code(), StatusCode::UNAUTHENTICATED);
}
TEST_P(SecureEnd2endTest, BlockingAuthMetadataPluginFailure) {
ResetStub();
EchoRequest request;
EchoResponse response;
ClientContext context;
context.set_credentials(
MetadataCredentialsFromPlugin(std::unique_ptr<MetadataCredentialsPlugin>(
new TestMetadataCredentialsPlugin(
"Does not matter, will fail anyway (see 3rd param)", true,
false))));
request.set_message("Hello");
Status s = stub_->Echo(&context, request, &response);
EXPECT_FALSE(s.ok());
EXPECT_EQ(s.error_code(), StatusCode::UNAUTHENTICATED);
}
TEST_P(SecureEnd2endTest, ClientAuthContext) {
ResetStub();
EchoRequest request;
EchoResponse response;
request.set_message("Hello");
request.mutable_param()->set_check_auth_context(GetParam().credentials_type ==
kTlsCredentialsType);
request.mutable_param()->set_expected_transport_security_type(
GetParam().credentials_type);
ClientContext context;
Status s = stub_->Echo(&context, request, &response);
EXPECT_EQ(response.message(), request.message());
EXPECT_TRUE(s.ok());
std::shared_ptr<const AuthContext> auth_ctx = context.auth_context();
std::vector<grpc::string_ref> tst =
auth_ctx->FindPropertyValues("transport_security_type");
EXPECT_EQ(1u, tst.size());
EXPECT_EQ(GetParam().credentials_type, ToString(tst[0]));
if (GetParam().credentials_type == kTlsCredentialsType) {
EXPECT_EQ("x509_subject_alternative_name",
auth_ctx->GetPeerIdentityPropertyName());
EXPECT_EQ(4u, auth_ctx->GetPeerIdentity().size());
EXPECT_EQ("*.test.google.fr", ToString(auth_ctx->GetPeerIdentity()[0]));
EXPECT_EQ("waterzooi.test.google.be",
ToString(auth_ctx->GetPeerIdentity()[1]));
EXPECT_EQ("*.test.youtube.com", ToString(auth_ctx->GetPeerIdentity()[2]));
EXPECT_EQ("192.168.1.3", ToString(auth_ctx->GetPeerIdentity()[3]));
}
}
std::vector<TestScenario> CreateTestScenarios(bool use_proxy,
bool test_insecure,
bool test_secure) {
std::vector<TestScenario> scenarios;
std::vector<grpc::string> credentials_types;
if (test_secure) {
credentials_types = GetSecureCredentialsTypeList();
}
if (test_insecure) {
credentials_types.push_back(kInsecureCredentialsType);
}
for (auto it = credentials_types.begin(); it != credentials_types.end();
++it) {
scenarios.push_back(TestScenario(false, *it));
if (use_proxy) {
scenarios.push_back(TestScenario(true, *it));
}
}
return scenarios;
}
INSTANTIATE_TEST_CASE_P(End2end, End2endTest,
::testing::ValuesIn(CreateTestScenarios(false, true,
true)));
INSTANTIATE_TEST_CASE_P(End2endServerTryCancel, End2endServerTryCancelTest,
::testing::ValuesIn(CreateTestScenarios(false, true,
false)));
INSTANTIATE_TEST_CASE_P(ProxyEnd2end, ProxyEnd2endTest,
::testing::ValuesIn(CreateTestScenarios(true, true,
true)));
INSTANTIATE_TEST_CASE_P(SecureEnd2end, SecureEnd2endTest,
::testing::ValuesIn(CreateTestScenarios(false, false,
true)));
} // namespace
} // namespace testing
} // namespace grpc
int main(int argc, char** argv) {
grpc_test_init(argc, argv);
::testing::InitGoogleTest(&argc, argv);
return RUN_ALL_TESTS();
}