1 /*
2 *
3 * Copyright 2015 gRPC authors.
4 *
5 * Licensed under the Apache License, Version 2.0 (the "License");
6 * you may not use this file except in compliance with the License.
7 * You may obtain a copy of the License at
8 *
9 * http://www.apache.org/licenses/LICENSE-2.0
10 *
11 * Unless required by applicable law or agreed to in writing, software
12 * distributed under the License is distributed on an "AS IS" BASIS,
13 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
14 * See the License for the specific language governing permissions and
15 * limitations under the License.
16 *
17 */
18
19 #include "test/cpp/util/cli_call.h"
20
21 #include <grpc/grpc.h>
22 #include <grpcpp/channel.h>
23 #include <grpcpp/client_context.h>
24 #include <grpcpp/create_channel.h>
25 #include <grpcpp/server.h>
26 #include <grpcpp/server_builder.h>
27 #include <grpcpp/server_context.h>
28 #include <gtest/gtest.h>
29
30 #include "src/proto/grpc/testing/echo.grpc.pb.h"
31 #include "test/core/util/port.h"
32 #include "test/core/util/test_config.h"
33 #include "test/cpp/util/string_ref_helper.h"
34
35 using grpc::testing::EchoRequest;
36 using grpc::testing::EchoResponse;
37
38 namespace grpc {
39 namespace testing {
40
41 class TestServiceImpl : public ::grpc::testing::EchoTestService::Service {
42 public:
Echo(ServerContext * context,const EchoRequest * request,EchoResponse * response)43 Status Echo(ServerContext* context, const EchoRequest* request,
44 EchoResponse* response) override {
45 if (!context->client_metadata().empty()) {
46 for (std::multimap<grpc::string_ref, grpc::string_ref>::const_iterator
47 iter = context->client_metadata().begin();
48 iter != context->client_metadata().end(); ++iter) {
49 context->AddInitialMetadata(ToString(iter->first),
50 ToString(iter->second));
51 }
52 }
53 context->AddTrailingMetadata("trailing_key", "trailing_value");
54 response->set_message(request->message());
55 return Status::OK;
56 }
57 };
58
59 class CliCallTest : public ::testing::Test {
60 protected:
CliCallTest()61 CliCallTest() {}
62
SetUp()63 void SetUp() override {
64 int port = grpc_pick_unused_port_or_die();
65 server_address_ << "localhost:" << port;
66 // Setup server
67 ServerBuilder builder;
68 builder.AddListeningPort(server_address_.str(),
69 InsecureServerCredentials());
70 builder.RegisterService(&service_);
71 server_ = builder.BuildAndStart();
72 }
73
TearDown()74 void TearDown() override { server_->Shutdown(); }
75
ResetStub()76 void ResetStub() {
77 channel_ =
78 CreateChannel(server_address_.str(), InsecureChannelCredentials());
79 stub_ = grpc::testing::EchoTestService::NewStub(channel_);
80 }
81
82 std::shared_ptr<Channel> channel_;
83 std::unique_ptr<grpc::testing::EchoTestService::Stub> stub_;
84 std::unique_ptr<Server> server_;
85 std::ostringstream server_address_;
86 TestServiceImpl service_;
87 };
88
89 // Send a rpc with a normal stub and then a CliCall. Verify they match.
TEST_F(CliCallTest,SimpleRpc)90 TEST_F(CliCallTest, SimpleRpc) {
91 ResetStub();
92 // Normal stub.
93 EchoRequest request;
94 EchoResponse response;
95 request.set_message("Hello");
96
97 ClientContext context;
98 context.AddMetadata("key1", "val1");
99 Status s = stub_->Echo(&context, request, &response);
100 EXPECT_EQ(response.message(), request.message());
101 EXPECT_TRUE(s.ok());
102
103 const grpc::string kMethod("/grpc.testing.EchoTestService/Echo");
104 grpc::string request_bin, response_bin, expected_response_bin;
105 EXPECT_TRUE(request.SerializeToString(&request_bin));
106 EXPECT_TRUE(response.SerializeToString(&expected_response_bin));
107 std::multimap<grpc::string, grpc::string> client_metadata;
108 std::multimap<grpc::string_ref, grpc::string_ref> server_initial_metadata,
109 server_trailing_metadata;
110 client_metadata.insert(std::pair<grpc::string, grpc::string>("key1", "val1"));
111 Status s2 = CliCall::Call(channel_, kMethod, request_bin, &response_bin,
112 client_metadata, &server_initial_metadata,
113 &server_trailing_metadata);
114 EXPECT_TRUE(s2.ok());
115
116 EXPECT_EQ(expected_response_bin, response_bin);
117 EXPECT_EQ(context.GetServerInitialMetadata(), server_initial_metadata);
118 EXPECT_EQ(context.GetServerTrailingMetadata(), server_trailing_metadata);
119 }
120
121 } // namespace testing
122 } // namespace grpc
123
main(int argc,char ** argv)124 int main(int argc, char** argv) {
125 grpc_test_init(argc, argv);
126 ::testing::InitGoogleTest(&argc, argv);
127 return RUN_ALL_TESTS();
128 }
129