1 /*
2  * Copyright (C) 2018 The Android Open Source Project
3  *
4  * Licensed under the Apache License, Version 2.0 (the "License");
5  * you may not use this file except in compliance with the License.
6  * You may obtain a copy of the License at
7  *
8  *      http://www.apache.org/licenses/LICENSE-2.0
9  *
10  * Unless required by applicable law or agreed to in writing, software
11  * distributed under the License is distributed on an "AS IS" BASIS,
12  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
13  * See the License for the specific language governing permissions and
14  * limitations under the License.
15  */
16 
17 #include "perfetto/ext/ipc/client.h"
18 #include "perfetto/ext/ipc/host.h"
19 #include "src/base/test/test_task_runner.h"
20 #include "src/ipc/test/test_socket.h"
21 #include "test/gtest_and_gmock.h"
22 
23 #include "src/ipc/test/greeter_service.gen.h"
24 #include "src/ipc/test/greeter_service.ipc.h"
25 
26 namespace ipc_test {
27 namespace {
28 
29 using ::testing::_;
30 using ::testing::Invoke;
31 using ::perfetto::ipc::AsyncResult;
32 using ::perfetto::ipc::Client;
33 using ::perfetto::ipc::Deferred;
34 using ::perfetto::ipc::Host;
35 using ::perfetto::ipc::Service;
36 using ::perfetto::ipc::ServiceProxy;
37 
38 using namespace ::ipc_test::gen;
39 
40 ::perfetto::ipc::TestSocket kTestSocket{"ipc_integrationtest"};
41 
42 class MockEventListener : public ServiceProxy::EventListener {
43  public:
44   MOCK_METHOD0(OnConnect, void());
45   MOCK_METHOD0(OnDisconnect, void());
46 };
47 
48 class MockGreeterService : public ::ipc_test::gen::Greeter {
49  public:
50   MOCK_METHOD2(OnSayHello,
51                void(const GreeterRequestMsg&, DeferredGreeterReplyMsg*));
SayHello(const GreeterRequestMsg & request,DeferredGreeterReplyMsg reply)52   void SayHello(const GreeterRequestMsg& request,
53                 DeferredGreeterReplyMsg reply) override {
54     OnSayHello(request, &reply);
55   }
56 
57   MOCK_METHOD2(OnWaveGoodbye,
58                void(const GreeterRequestMsg&, DeferredGreeterReplyMsg*));
WaveGoodbye(const GreeterRequestMsg & request,DeferredGreeterReplyMsg reply)59   void WaveGoodbye(const GreeterRequestMsg& request,
60                    DeferredGreeterReplyMsg reply) override {
61     OnWaveGoodbye(request, &reply);
62   }
63 };
64 
65 class IPCIntegrationTest : public ::testing::Test {
66  protected:
SetUp()67   void SetUp() override { kTestSocket.Destroy(); }
TearDown()68   void TearDown() override { kTestSocket.Destroy(); }
69 
70   perfetto::base::TestTaskRunner task_runner_;
71   MockEventListener svc_proxy_events_;
72 };
73 
TEST_F(IPCIntegrationTest,SayHelloWaveGoodbye)74 TEST_F(IPCIntegrationTest, SayHelloWaveGoodbye) {
75   std::unique_ptr<Host> host =
76       Host::CreateInstance(kTestSocket.name(), &task_runner_);
77   ASSERT_TRUE(host);
78 
79   MockGreeterService* svc = new MockGreeterService();
80   ASSERT_TRUE(host->ExposeService(std::unique_ptr<Service>(svc)));
81 
82   auto on_connect = task_runner_.CreateCheckpoint("on_connect");
83   EXPECT_CALL(svc_proxy_events_, OnConnect()).WillOnce(Invoke(on_connect));
84   std::unique_ptr<Client> cli = Client::CreateInstance(
85       {kTestSocket.name(), /*retry=*/false}, &task_runner_);
86   std::unique_ptr<GreeterProxy> svc_proxy(new GreeterProxy(&svc_proxy_events_));
87   cli->BindService(svc_proxy->GetWeakPtr());
88   task_runner_.RunUntilCheckpoint("on_connect");
89 
90   {
91     GreeterRequestMsg req;
92     req.set_name("Mr Bojangles");
93     auto on_reply = task_runner_.CreateCheckpoint("on_hello_reply");
94     Deferred<GreeterReplyMsg> deferred_reply(
95         [on_reply](AsyncResult<GreeterReplyMsg> reply) {
96           ASSERT_TRUE(reply.success());
97           ASSERT_FALSE(reply.has_more());
98           ASSERT_EQ("Hello Mr Bojangles", reply->message());
99           on_reply();
100         });
101 
102     EXPECT_CALL(*svc, OnSayHello(_, _))
103         .WillOnce(Invoke([](const GreeterRequestMsg& host_req,
104                             Deferred<GreeterReplyMsg>* host_reply) {
105           auto reply = AsyncResult<GreeterReplyMsg>::Create();
106           reply->set_message("Hello " + host_req.name());
107           host_reply->Resolve(std::move(reply));
108         }));
109     svc_proxy->SayHello(req, std::move(deferred_reply));
110     task_runner_.RunUntilCheckpoint("on_hello_reply");
111   }
112 
113   {
114     GreeterRequestMsg req;
115     req.set_name("Mrs Bojangles");
116     auto on_reply = task_runner_.CreateCheckpoint("on_goodbye_reply");
117     Deferred<GreeterReplyMsg> deferred_reply(
118         [on_reply](AsyncResult<GreeterReplyMsg> reply) {
119           ASSERT_TRUE(reply.success());
120           ASSERT_FALSE(reply.has_more());
121           ASSERT_EQ("Goodbye Mrs Bojangles", reply->message());
122           on_reply();
123         });
124 
125     EXPECT_CALL(*svc, OnWaveGoodbye(_, _))
126         .WillOnce(Invoke([](const GreeterRequestMsg& host_req,
127                             Deferred<GreeterReplyMsg>* host_reply) {
128           auto reply = AsyncResult<GreeterReplyMsg>::Create();
129           reply->set_message("Goodbye " + host_req.name());
130           host_reply->Resolve(std::move(reply));
131         }));
132     svc_proxy->WaveGoodbye(req, std::move(deferred_reply));
133     task_runner_.RunUntilCheckpoint("on_goodbye_reply");
134   }
135 }
136 
137 }  // namespace
138 }  // namespace ipc_test
139