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author | 2017-02-18 15:13:59 -0800 | |
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committer | 2017-02-18 15:13:59 -0800 | |
commit | c92290329fcb864accffc92fbce29de7847db63e (patch) | |
tree | 2e7bd94180f5a23c3f5b6e4c60a7ae929ea57ed8 /test | |
parent | 221edc1e5b7699ca00336b98749953ea9571b230 (diff) | |
parent | 36ffc6e0f73a1b13a79bf120b7a2517136b8e5d5 (diff) |
Merge github.com:grpc/grpc into we-have-better-methods-now
Diffstat (limited to 'test')
-rw-r--r-- | test/cpp/end2end/health_service_end2end_test.cc | 323 |
1 files changed, 323 insertions, 0 deletions
diff --git a/test/cpp/end2end/health_service_end2end_test.cc b/test/cpp/end2end/health_service_end2end_test.cc new file mode 100644 index 0000000000..3d51007857 --- /dev/null +++ b/test/cpp/end2end/health_service_end2end_test.cc @@ -0,0 +1,323 @@ +/* + * + * Copyright 2016, 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 <memory> +#include <mutex> +#include <thread> +#include <vector> + +#include <grpc++/channel.h> +#include <grpc++/client_context.h> +#include <grpc++/create_channel.h> +#include <grpc++/ext/health_check_service_server_builder_option.h> +#include <grpc++/health_check_service_interface.h> +#include <grpc++/server.h> +#include <grpc++/server_builder.h> +#include <grpc++/server_context.h> +#include <grpc/grpc.h> +#include <grpc/support/log.h> +#include <gtest/gtest.h> + +#include "src/proto/grpc/health/v1/health.grpc.pb.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" + +using grpc::health::v1::Health; +using grpc::health::v1::HealthCheckRequest; +using grpc::health::v1::HealthCheckResponse; + +namespace grpc { +namespace testing { +namespace { + +// A sample sync implementation of the health checking service. This does the +// same thing as the default one. +class HealthCheckServiceImpl : public ::grpc::health::v1::Health::Service { + public: + Status Check(ServerContext* context, const HealthCheckRequest* request, + HealthCheckResponse* response) override { + std::lock_guard<std::mutex> lock(mu_); + auto iter = status_map_.find(request->service()); + if (iter == status_map_.end()) { + return Status(StatusCode::NOT_FOUND, ""); + } + response->set_status(iter->second); + return Status::OK; + } + + void SetStatus(const grpc::string& service_name, + HealthCheckResponse::ServingStatus status) { + std::lock_guard<std::mutex> lock(mu_); + status_map_[service_name] = status; + } + + void SetAll(HealthCheckResponse::ServingStatus status) { + std::lock_guard<std::mutex> lock(mu_); + for (auto iter = status_map_.begin(); iter != status_map_.end(); ++iter) { + iter->second = status; + } + } + + private: + std::mutex mu_; + std::map<const grpc::string, HealthCheckResponse::ServingStatus> status_map_; +}; + +// A custom implementation of the health checking service interface. This is +// used to test that it prevents the server from creating a default service and +// also serves as an example of how to override the default service. +class CustomHealthCheckService : public HealthCheckServiceInterface { + public: + explicit CustomHealthCheckService(HealthCheckServiceImpl* impl) + : impl_(impl) { + impl_->SetStatus("", HealthCheckResponse::SERVING); + } + void SetServingStatus(const grpc::string& service_name, + bool serving) override { + impl_->SetStatus(service_name, serving ? HealthCheckResponse::SERVING + : HealthCheckResponse::NOT_SERVING); + } + + void SetServingStatus(bool serving) override { + impl_->SetAll(serving ? HealthCheckResponse::SERVING + : HealthCheckResponse::NOT_SERVING); + } + + private: + HealthCheckServiceImpl* impl_; // not owned +}; + +void LoopCompletionQueue(ServerCompletionQueue* cq) { + void* tag; + bool ok; + while (cq->Next(&tag, &ok)) { + abort(); // Nothing should come out of the cq. + } +} + +class HealthServiceEnd2endTest : public ::testing::Test { + protected: + HealthServiceEnd2endTest() {} + + void SetUpServer(bool register_sync_test_service, bool add_async_cq, + bool explicit_health_service, + std::unique_ptr<HealthCheckServiceInterface> service) { + int port = grpc_pick_unused_port_or_die(); + server_address_ << "localhost:" << port; + + bool register_sync_health_service_impl = + explicit_health_service && service != nullptr; + + // Setup server + ServerBuilder builder; + if (explicit_health_service) { + std::unique_ptr<ServerBuilderOption> option( + new HealthCheckServiceServerBuilderOption(std::move(service))); + builder.SetOption(std::move(option)); + } + builder.AddListeningPort(server_address_.str(), + grpc::InsecureServerCredentials()); + if (register_sync_test_service) { + // Register a sync service. + builder.RegisterService(&echo_test_service_); + } + if (register_sync_health_service_impl) { + builder.RegisterService(&health_check_service_impl_); + } + if (add_async_cq) { + cq_ = builder.AddCompletionQueue(); + } + server_ = builder.BuildAndStart(); + } + + void TearDown() override { + if (server_) { + server_->Shutdown(); + if (cq_ != nullptr) { + cq_->Shutdown(); + } + if (cq_thread_.joinable()) { + cq_thread_.join(); + } + } + } + + void ResetStubs() { + std::shared_ptr<Channel> channel = + CreateChannel(server_address_.str(), InsecureChannelCredentials()); + hc_stub_ = grpc::health::v1::Health::NewStub(channel); + } + + // When the expected_status is NOT OK, we do not care about the response. + void SendHealthCheckRpc(const grpc::string& service_name, + const Status& expected_status) { + EXPECT_FALSE(expected_status.ok()); + SendHealthCheckRpc(service_name, expected_status, + HealthCheckResponse::UNKNOWN); + } + + void SendHealthCheckRpc( + const grpc::string& service_name, const Status& expected_status, + HealthCheckResponse::ServingStatus expected_serving_status) { + HealthCheckRequest request; + request.set_service(service_name); + HealthCheckResponse response; + ClientContext context; + Status s = hc_stub_->Check(&context, request, &response); + EXPECT_EQ(expected_status.error_code(), s.error_code()); + if (s.ok()) { + EXPECT_EQ(expected_serving_status, response.status()); + } + } + + void VerifyHealthCheckService() { + HealthCheckServiceInterface* service = server_->GetHealthCheckService(); + EXPECT_TRUE(service != nullptr); + const grpc::string kHealthyService("healthy_service"); + const grpc::string kUnhealthyService("unhealthy_service"); + const grpc::string kNotRegisteredService("not_registered"); + service->SetServingStatus(kHealthyService, true); + service->SetServingStatus(kUnhealthyService, false); + + ResetStubs(); + + SendHealthCheckRpc("", Status::OK, HealthCheckResponse::SERVING); + SendHealthCheckRpc(kHealthyService, Status::OK, + HealthCheckResponse::SERVING); + SendHealthCheckRpc(kUnhealthyService, Status::OK, + HealthCheckResponse::NOT_SERVING); + SendHealthCheckRpc(kNotRegisteredService, + Status(StatusCode::NOT_FOUND, "")); + + service->SetServingStatus(false); + SendHealthCheckRpc("", Status::OK, HealthCheckResponse::NOT_SERVING); + SendHealthCheckRpc(kHealthyService, Status::OK, + HealthCheckResponse::NOT_SERVING); + SendHealthCheckRpc(kUnhealthyService, Status::OK, + HealthCheckResponse::NOT_SERVING); + SendHealthCheckRpc(kNotRegisteredService, + Status(StatusCode::NOT_FOUND, "")); + } + + TestServiceImpl echo_test_service_; + HealthCheckServiceImpl health_check_service_impl_; + std::unique_ptr<Health::Stub> hc_stub_; + std::unique_ptr<ServerCompletionQueue> cq_; + std::unique_ptr<Server> server_; + std::ostringstream server_address_; + std::thread cq_thread_; +}; + +TEST_F(HealthServiceEnd2endTest, DefaultHealthServiceDisabled) { + EnableDefaultHealthCheckService(false); + EXPECT_FALSE(DefaultHealthCheckServiceEnabled()); + SetUpServer(true, false, false, nullptr); + HealthCheckServiceInterface* default_service = + server_->GetHealthCheckService(); + EXPECT_TRUE(default_service == nullptr); + + ResetStubs(); + + SendHealthCheckRpc("", Status(StatusCode::UNIMPLEMENTED, "")); +} + +TEST_F(HealthServiceEnd2endTest, DefaultHealthService) { + EnableDefaultHealthCheckService(true); + EXPECT_TRUE(DefaultHealthCheckServiceEnabled()); + SetUpServer(true, false, false, nullptr); + VerifyHealthCheckService(); + + // The default service has a size limit of the service name. + const grpc::string kTooLongServiceName(201, 'x'); + SendHealthCheckRpc(kTooLongServiceName, + Status(StatusCode::INVALID_ARGUMENT, "")); +} + +// The server has no sync service. +TEST_F(HealthServiceEnd2endTest, DefaultHealthServiceAsyncOnly) { + EnableDefaultHealthCheckService(true); + EXPECT_TRUE(DefaultHealthCheckServiceEnabled()); + SetUpServer(false, true, false, nullptr); + cq_thread_ = std::thread(LoopCompletionQueue, cq_.get()); + + HealthCheckServiceInterface* default_service = + server_->GetHealthCheckService(); + EXPECT_TRUE(default_service == nullptr); + + ResetStubs(); + + SendHealthCheckRpc("", Status(StatusCode::UNIMPLEMENTED, "")); +} + +// Provide an empty service to disable the default service. +TEST_F(HealthServiceEnd2endTest, ExplicitlyDisableViaOverride) { + EnableDefaultHealthCheckService(true); + EXPECT_TRUE(DefaultHealthCheckServiceEnabled()); + std::unique_ptr<HealthCheckServiceInterface> empty_service; + SetUpServer(true, false, true, std::move(empty_service)); + HealthCheckServiceInterface* service = server_->GetHealthCheckService(); + EXPECT_TRUE(service == nullptr); + + ResetStubs(); + + SendHealthCheckRpc("", Status(StatusCode::UNIMPLEMENTED, "")); +} + +// Provide an explicit override of health checking service interface. +TEST_F(HealthServiceEnd2endTest, ExplicitlyOverride) { + EnableDefaultHealthCheckService(true); + EXPECT_TRUE(DefaultHealthCheckServiceEnabled()); + std::unique_ptr<HealthCheckServiceInterface> override_service( + new CustomHealthCheckService(&health_check_service_impl_)); + HealthCheckServiceInterface* underlying_service = override_service.get(); + SetUpServer(false, false, true, std::move(override_service)); + HealthCheckServiceInterface* service = server_->GetHealthCheckService(); + EXPECT_TRUE(service == underlying_service); + + ResetStubs(); + + VerifyHealthCheckService(); +} + +} // namespace +} // namespace testing +} // namespace grpc + +int main(int argc, char** argv) { + grpc_test_init(argc, argv); + ::testing::InitGoogleTest(&argc, argv); + return RUN_ALL_TESTS(); +} |