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1 // Copyright 2016 The Chromium Authors. All rights reserved. | |
2 // Use of this source code is governed by a BSD-style license that can be | |
3 // found in the LICENSE file. | |
4 | |
5 #include "media/remoting/rpc/rpc_broker.h" | |
6 | |
7 #include <memory> | |
8 #include <vector> | |
9 | |
10 #include "base/bind.h" | |
11 #include "base/callback_helpers.h" | |
12 #include "base/macros.h" | |
13 #include "base/memory/ref_counted.h" | |
14 #include "base/message_loop/message_loop.h" | |
15 #include "base/run_loop.h" | |
16 #include "media/remoting/remoting_rpc_message.pb.h" | |
17 #include "testing/gmock/include/gmock/gmock.h" | |
18 #include "testing/gtest/include/gtest/gtest.h" | |
19 | |
20 using testing::_; | |
21 using testing::Invoke; | |
22 using testing::Return; | |
23 | |
24 namespace media { | |
25 namespace remoting { | |
26 | |
27 class FakeMessageSender { | |
28 public: | |
29 FakeMessageSender() | |
30 : received_rpc_(new pb::RpcMessage()), | |
31 has_sent_message_(false), | |
32 send_count_(0), | |
33 weak_factory_(this) {} | |
34 ~FakeMessageSender() {} | |
35 | |
36 void OnSendMessageAndQuit(std::unique_ptr<std::vector<uint8_t>> message) { | |
37 EXPECT_TRUE( | |
38 received_rpc_->ParseFromArray(message->data(), message->size())); | |
39 has_sent_message_ = true; | |
40 } | |
41 | |
42 void OnSendMessage(std::unique_ptr<std::vector<uint8_t>> message) { | |
43 ++send_count_; | |
44 } | |
45 base::WeakPtr<FakeMessageSender> GetWeakPtr() { | |
46 return weak_factory_.GetWeakPtr(); | |
47 } | |
48 bool has_sent_message() const { return has_sent_message_; } | |
49 const pb::RpcMessage* received_rpc() const { return received_rpc_.get(); } | |
50 int send_count() const { return send_count_; } | |
51 | |
52 private: | |
53 std::unique_ptr<pb::RpcMessage> received_rpc_; | |
54 bool has_sent_message_; | |
55 int send_count_; | |
56 base::WeakPtrFactory<FakeMessageSender> weak_factory_; | |
57 | |
58 DISALLOW_COPY_AND_ASSIGN(FakeMessageSender); | |
59 }; | |
60 | |
61 class FakeMessageReceiver { | |
62 public: | |
63 FakeMessageReceiver() : has_received_message_(false), weak_factory_(this) {} | |
64 ~FakeMessageReceiver() {} | |
65 | |
66 // RpcBroker::MessageReceiver implementation. | |
67 void OnReceivedRpc(std::unique_ptr<pb::RpcMessage> message) { | |
68 received_rpc_ = std::move(message); | |
69 has_received_message_++; | |
70 } | |
71 | |
72 void OnSendMessage(std::unique_ptr<std::vector<uint8_t>> message) {} | |
73 base::WeakPtr<FakeMessageReceiver> GetWeakPtr() { | |
74 return weak_factory_.GetWeakPtr(); | |
75 } | |
76 int has_received_message() const { return has_received_message_; } | |
77 const pb::RpcMessage* received_rpc() const { return received_rpc_.get(); } | |
78 | |
79 private: | |
80 std::unique_ptr<pb::RpcMessage> received_rpc_; | |
81 int has_received_message_; | |
82 base::WeakPtrFactory<FakeMessageReceiver> weak_factory_; | |
83 | |
84 DISALLOW_COPY_AND_ASSIGN(FakeMessageReceiver); | |
85 }; | |
86 | |
87 class RpcBrokerTest : public testing::Test { | |
88 protected: | |
89 void SetUp() override {} | |
90 }; | |
91 | |
92 TEST_F(RpcBrokerTest, TestProcessMessageFromRemoteRegistered) { | |
93 std::unique_ptr<FakeMessageReceiver> fake_receiver(new FakeMessageReceiver()); | |
94 ASSERT_FALSE(fake_receiver->has_received_message()); | |
95 | |
96 // Creates receiver RpcBroker and registers FakeMessageReceiver. | |
97 std::unique_ptr<RpcBroker> rpc_broker(new RpcBroker(base::Bind( | |
98 &FakeMessageReceiver::OnSendMessage, fake_receiver->GetWeakPtr()))); | |
99 | |
100 int handle = rpc_broker->GetUniqueHandle(); | |
101 const remoting::RpcBroker::ReceiveMessageCallback receive_callback = | |
102 base::Bind(&FakeMessageReceiver::OnReceivedRpc, | |
103 fake_receiver->GetWeakPtr()); | |
104 rpc_broker->RegisterMessageReceiverCallback(handle, receive_callback); | |
105 | |
106 std::unique_ptr<pb::RpcMessage> rpc(new pb::RpcMessage()); | |
107 rpc->set_handle(handle); | |
108 rpc_broker->ProcessMessageFromRemote(std::move(rpc)); | |
109 ASSERT_EQ(fake_receiver->has_received_message(), 1); | |
110 } | |
111 | |
112 TEST_F(RpcBrokerTest, TestProcessMessageFromRemoteUnregistered) { | |
113 std::unique_ptr<FakeMessageReceiver> fake_receiver(new FakeMessageReceiver()); | |
114 ASSERT_FALSE(fake_receiver->has_received_message()); | |
115 | |
116 // Creates receiver RpcBroker and registers FakeMessageReceiver. | |
117 std::unique_ptr<RpcBroker> rpc_broker(new RpcBroker(base::Bind( | |
118 &FakeMessageReceiver::OnSendMessage, fake_receiver->GetWeakPtr()))); | |
119 | |
120 int handle = rpc_broker->GetUniqueHandle(); | |
121 const remoting::RpcBroker::ReceiveMessageCallback receive_callback = | |
122 base::Bind(&FakeMessageReceiver::OnReceivedRpc, | |
123 fake_receiver->GetWeakPtr()); | |
124 rpc_broker->RegisterMessageReceiverCallback(handle, receive_callback); | |
125 | |
126 std::unique_ptr<pb::RpcMessage> rpc(new pb::RpcMessage()); | |
127 rpc_broker->UnregisterMessageReceiverCallback(handle); | |
128 rpc_broker->ProcessMessageFromRemote(std::move(rpc)); | |
129 ASSERT_EQ(fake_receiver->has_received_message(), 0); | |
130 } | |
131 | |
132 TEST_F(RpcBrokerTest, TestSendMessageToRemote) { | |
133 std::unique_ptr<base::MessageLoop> message_loop(new base::MessageLoop()); | |
134 | |
135 std::unique_ptr<FakeMessageSender> fake_sender(new FakeMessageSender()); | |
136 ASSERT_FALSE(fake_sender->has_sent_message()); | |
137 | |
138 // Creates RpcBroker and set message callback. | |
139 std::unique_ptr<RpcBroker> rpc_broker(new RpcBroker(base::Bind( | |
140 &FakeMessageSender::OnSendMessage, fake_sender->GetWeakPtr()))); | |
141 | |
142 for (int i = 0; i < 10; ++i) { | |
143 std::unique_ptr<pb::RpcMessage> rpc(new pb::RpcMessage()); | |
144 rpc_broker->SendMessageToRemote(std::move(rpc)); | |
145 } | |
146 EXPECT_EQ(10, fake_sender->send_count()); | |
147 } | |
148 | |
149 TEST_F(RpcBrokerTest, RpcBrokerSendMessageCallback) { | |
150 std::unique_ptr<base::MessageLoop> message_loop(new base::MessageLoop()); | |
151 | |
152 std::unique_ptr<FakeMessageSender> fake_sender(new FakeMessageSender()); | |
153 ASSERT_FALSE(fake_sender->has_sent_message()); | |
154 | |
155 // Creates RpcBroker and set message callback. | |
156 std::unique_ptr<RpcBroker> rpc_broker(new RpcBroker(base::Bind( | |
157 &FakeMessageSender::OnSendMessageAndQuit, fake_sender->GetWeakPtr()))); | |
158 | |
159 // Sends RPC message. | |
160 std::unique_ptr<pb::RpcMessage> sent_rpc(new pb::RpcMessage()); | |
161 sent_rpc->set_handle(2); | |
162 sent_rpc->set_proc(pb::RpcMessage::RPC_R_SETVOLUME); | |
163 sent_rpc->set_double_value(2.2); | |
164 rpc_broker->SendMessageToRemote(std::move(sent_rpc)); | |
165 | |
166 // Wait for messge callback. | |
167 // message_loop->Run(); | |
168 base::RunLoop().RunUntilIdle(); | |
169 | |
170 // Check if received message is identical to the one sent earlier. | |
171 ASSERT_TRUE(fake_sender->has_sent_message()); | |
172 const auto* received_rpc = fake_sender->received_rpc(); | |
173 ASSERT_EQ(2, received_rpc->handle()); | |
174 ASSERT_EQ(pb::RpcMessage::RPC_R_SETVOLUME, received_rpc->proc()); | |
175 ASSERT_EQ(2.2, received_rpc->double_value()); | |
176 } | |
177 | |
178 TEST_F(RpcBrokerTest, RpcBrokerProcessMessageWithRegisteredHandle) { | |
179 std::unique_ptr<FakeMessageReceiver> fake_receiver(new FakeMessageReceiver()); | |
180 ASSERT_FALSE(fake_receiver->has_received_message()); | |
181 | |
182 // Creates receiver RpcBroker and registers FakeMessageReceiver. | |
183 std::unique_ptr<RpcBroker> rpc_broker(new RpcBroker(base::Bind( | |
184 &FakeMessageReceiver::OnSendMessage, fake_receiver->GetWeakPtr()))); | |
185 int handle = rpc_broker->GetUniqueHandle(); | |
186 const remoting::RpcBroker::ReceiveMessageCallback receive_callback = | |
187 base::Bind(&FakeMessageReceiver::OnReceivedRpc, | |
188 fake_receiver->GetWeakPtr()); | |
189 rpc_broker->RegisterMessageReceiverCallback(handle, receive_callback); | |
190 | |
191 // Generates RPC message with handle value |handle| and send it to receover | |
192 // RpcBroker to process. | |
193 std::unique_ptr<pb::RpcMessage> sent_rpc(new pb::RpcMessage()); | |
194 sent_rpc->set_handle(handle); | |
195 sent_rpc->set_proc(pb::RpcMessage::RPC_R_SETVOLUME); | |
196 sent_rpc->set_double_value(2.2); | |
197 rpc_broker->ProcessMessageFromRemote(std::move(sent_rpc)); | |
198 | |
199 // Checks if received message is identical to the one sent earlier. | |
200 ASSERT_TRUE(fake_receiver->has_received_message()); | |
201 auto* received_rpc = fake_receiver->received_rpc(); | |
202 ASSERT_EQ(handle, received_rpc->handle()); | |
203 ASSERT_EQ(pb::RpcMessage::RPC_R_SETVOLUME, received_rpc->proc()); | |
204 ASSERT_EQ(2.2, received_rpc->double_value()); | |
205 | |
206 // Unregisters FakeMessageReceiver. | |
207 rpc_broker->UnregisterMessageReceiverCallback(handle); | |
208 } | |
209 | |
210 TEST_F(RpcBrokerTest, RpcBrokerProcessMessageWithUnregisteredHandle) { | |
211 std::unique_ptr<FakeMessageReceiver> fake_receiver(new FakeMessageReceiver()); | |
212 ASSERT_FALSE(fake_receiver->has_received_message()); | |
213 | |
214 // Creates receiver RpcBroker and registers FakeMessageReceiver. | |
215 std::unique_ptr<RpcBroker> rpc_broker(new RpcBroker(base::Bind( | |
216 &FakeMessageReceiver::OnSendMessage, fake_receiver->GetWeakPtr()))); | |
217 int handle = rpc_broker->GetUniqueHandle(); | |
218 const remoting::RpcBroker::ReceiveMessageCallback receive_callback = | |
219 base::Bind(&FakeMessageReceiver::OnReceivedRpc, | |
220 fake_receiver->GetWeakPtr()); | |
221 rpc_broker->RegisterMessageReceiverCallback(handle, receive_callback); | |
222 | |
223 // Generates RPC message with handle value |handle| and send it to receover | |
224 // RpcBroker to process. | |
225 std::unique_ptr<pb::RpcMessage> sent_rpc(new pb::RpcMessage()); | |
226 int different_handle = handle + 1; | |
227 sent_rpc->set_handle(different_handle); | |
228 sent_rpc->set_proc(pb::RpcMessage::RPC_R_SETVOLUME); | |
229 sent_rpc->set_double_value(2.2); | |
230 rpc_broker->ProcessMessageFromRemote(std::move(sent_rpc)); | |
231 | |
232 // Check if received message is identical to the one sent earlier. | |
233 ASSERT_FALSE(fake_receiver->has_received_message()); | |
234 | |
235 // Unregisters FakeMessageReceiver. | |
236 rpc_broker->UnregisterMessageReceiverCallback(handle); | |
237 } | |
238 | |
239 } // namespace remoting | |
240 } // namespace media | |
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