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/*
*
* Copyright 2016 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 <grpc/grpc.h>
#include <grpcpp/channel.h>
#include <grpcpp/client_context.h>
#include <grpcpp/create_channel.h>
#include <grpcpp/ext/proto_server_reflection_plugin.h>
#include <grpcpp/security/credentials.h>
#include <grpcpp/security/server_credentials.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/test_service_impl.h"
#include "test/cpp/util/proto_reflection_descriptor_database.h"
#include <gtest/gtest.h>
namespace grpc {
namespace testing {
class ProtoServerReflectionTest : public ::testing::Test {
public:
ProtoServerReflectionTest() {}
void SetUp() override {
port_ = grpc_pick_unused_port_or_die();
ref_desc_pool_ = protobuf::DescriptorPool::generated_pool();
ServerBuilder builder;
grpc::string server_address = "localhost:" + to_string(port_);
builder.AddListeningPort(server_address, InsecureServerCredentials());
server_ = builder.BuildAndStart();
}
void ResetStub() {
string target = "dns:localhost:" + to_string(port_);
std::shared_ptr<Channel> channel =
CreateChannel(target, InsecureChannelCredentials());
stub_ = grpc::testing::EchoTestService::NewStub(channel);
desc_db_.reset(new ProtoReflectionDescriptorDatabase(channel));
desc_pool_.reset(new protobuf::DescriptorPool(desc_db_.get()));
}
string to_string(const int number) {
std::stringstream strs;
strs << number;
return strs.str();
}
void CompareService(const grpc::string& service) {
const protobuf::ServiceDescriptor* service_desc =
desc_pool_->FindServiceByName(service);
const protobuf::ServiceDescriptor* ref_service_desc =
ref_desc_pool_->FindServiceByName(service);
EXPECT_TRUE(service_desc != nullptr);
EXPECT_TRUE(ref_service_desc != nullptr);
EXPECT_EQ(service_desc->DebugString(), ref_service_desc->DebugString());
const protobuf::FileDescriptor* file_desc = service_desc->file();
if (known_files_.find(file_desc->package() + "/" + file_desc->name()) !=
known_files_.end()) {
EXPECT_EQ(file_desc->DebugString(),
ref_service_desc->file()->DebugString());
known_files_.insert(file_desc->package() + "/" + file_desc->name());
}
for (int i = 0; i < service_desc->method_count(); ++i) {
CompareMethod(service_desc->method(i)->full_name());
}
}
void CompareMethod(const grpc::string& method) {
const protobuf::MethodDescriptor* method_desc =
desc_pool_->FindMethodByName(method);
const protobuf::MethodDescriptor* ref_method_desc =
ref_desc_pool_->FindMethodByName(method);
EXPECT_TRUE(method_desc != nullptr);
EXPECT_TRUE(ref_method_desc != nullptr);
EXPECT_EQ(method_desc->DebugString(), ref_method_desc->DebugString());
CompareType(method_desc->input_type()->full_name());
CompareType(method_desc->output_type()->full_name());
}
void CompareType(const grpc::string& type) {
if (known_types_.find(type) != known_types_.end()) {
return;
}
const protobuf::Descriptor* desc = desc_pool_->FindMessageTypeByName(type);
const protobuf::Descriptor* ref_desc =
ref_desc_pool_->FindMessageTypeByName(type);
EXPECT_TRUE(desc != nullptr);
EXPECT_TRUE(ref_desc != nullptr);
EXPECT_EQ(desc->DebugString(), ref_desc->DebugString());
}
protected:
std::unique_ptr<Server> server_;
std::unique_ptr<grpc::testing::EchoTestService::Stub> stub_;
std::unique_ptr<ProtoReflectionDescriptorDatabase> desc_db_;
std::unique_ptr<protobuf::DescriptorPool> desc_pool_;
std::unordered_set<string> known_files_;
std::unordered_set<string> known_types_;
const protobuf::DescriptorPool* ref_desc_pool_;
int port_;
reflection::ProtoServerReflectionPlugin plugin_;
};
TEST_F(ProtoServerReflectionTest, CheckResponseWithLocalDescriptorPool) {
ResetStub();
std::vector<grpc::string> services;
desc_db_->GetServices(&services);
// The service list has at least one service (reflection servcie).
EXPECT_TRUE(services.size() > 0);
for (auto it = services.begin(); it != services.end(); ++it) {
CompareService(*it);
}
}
} // namespace testing
} // namespace grpc
int main(int argc, char** argv) {
grpc::testing::TestEnvironment env(argc, argv);
::testing::InitGoogleTest(&argc, argv);
return RUN_ALL_TESTS();
}
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