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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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