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| 1 // Copyright 2015 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 "extensions/browser/api/cast_channel/keep_alive_delegate.h" | |
| 6 | |
| 7 #include <stdint.h> | |
| 8 | |
| 9 #include "base/macros.h" | |
| 10 #include "base/memory/ptr_util.h" | |
| 11 #include "base/message_loop/message_loop.h" | |
| 12 #include "base/run_loop.h" | |
| 13 #include "base/timer/mock_timer.h" | |
| 14 #include "extensions/browser/api/cast_channel/cast_test_util.h" | |
| 15 #include "net/base/net_errors.h" | |
| 16 #include "testing/gmock/include/gmock/gmock.h" | |
| 17 #include "testing/gtest/include/gtest/gtest.h" | |
| 18 | |
| 19 using testing::_; | |
| 20 using testing::Sequence; | |
| 21 | |
| 22 namespace extensions { | |
| 23 namespace api { | |
| 24 namespace cast_channel { | |
| 25 namespace { | |
| 26 | |
| 27 const int64_t kTestPingTimeoutMillis = 1000; | |
| 28 const int64_t kTestLivenessTimeoutMillis = 10000; | |
| 29 | |
| 30 // Extends MockTimer with a mockable method ResetTriggered() which permits | |
| 31 // test code to set GMock expectations for Timer::Reset(). | |
| 32 class MockTimerWithMonitoredReset : public base::MockTimer { | |
| 33 public: | |
| 34 MockTimerWithMonitoredReset(bool retain_user_task, bool is_repeating) | |
| 35 : base::MockTimer(retain_user_task, is_repeating) {} | |
| 36 ~MockTimerWithMonitoredReset() override {} | |
| 37 | |
| 38 // Instrumentation point for determining how many times Reset() was called. | |
| 39 MOCK_METHOD0(ResetTriggered, void(void)); | |
| 40 MOCK_METHOD0(Stop, void(void)); | |
| 41 | |
| 42 // Passes through the Reset call to the base MockTimer and visits the mock | |
| 43 // ResetTriggered method. | |
| 44 void Reset() override { | |
| 45 base::MockTimer::Reset(); | |
| 46 ResetTriggered(); | |
| 47 } | |
| 48 }; | |
| 49 | |
| 50 class KeepAliveDelegateTest : public testing::Test { | |
| 51 public: | |
| 52 using ChannelError = ::cast_channel::ChannelError; | |
| 53 | |
| 54 KeepAliveDelegateTest() {} | |
| 55 ~KeepAliveDelegateTest() override {} | |
| 56 | |
| 57 protected: | |
| 58 void SetUp() override { | |
| 59 inner_delegate_ = new MockCastTransportDelegate; | |
| 60 logger_ = new Logger(); | |
| 61 keep_alive_.reset(new KeepAliveDelegate( | |
| 62 &socket_, logger_, base::WrapUnique(inner_delegate_), | |
| 63 base::TimeDelta::FromMilliseconds(kTestPingTimeoutMillis), | |
| 64 base::TimeDelta::FromMilliseconds(kTestLivenessTimeoutMillis))); | |
| 65 liveness_timer_ = new MockTimerWithMonitoredReset(true, false); | |
| 66 ping_timer_ = new MockTimerWithMonitoredReset(true, false); | |
| 67 EXPECT_CALL(*liveness_timer_, Stop()).Times(0); | |
| 68 EXPECT_CALL(*ping_timer_, Stop()).Times(0); | |
| 69 keep_alive_->SetTimersForTest(base::WrapUnique(ping_timer_), | |
| 70 base::WrapUnique(liveness_timer_)); | |
| 71 } | |
| 72 | |
| 73 // Runs all pending tasks in the message loop. | |
| 74 void RunPendingTasks() { | |
| 75 base::RunLoop run_loop; | |
| 76 run_loop.RunUntilIdle(); | |
| 77 } | |
| 78 | |
| 79 base::MessageLoop message_loop_; | |
| 80 MockCastSocket socket_; | |
| 81 std::unique_ptr<KeepAliveDelegate> keep_alive_; | |
| 82 scoped_refptr<Logger> logger_; | |
| 83 MockCastTransportDelegate* inner_delegate_; | |
| 84 MockTimerWithMonitoredReset* liveness_timer_; | |
| 85 MockTimerWithMonitoredReset* ping_timer_; | |
| 86 | |
| 87 private: | |
| 88 DISALLOW_COPY_AND_ASSIGN(KeepAliveDelegateTest); | |
| 89 }; | |
| 90 | |
| 91 TEST_F(KeepAliveDelegateTest, TestErrorHandledBeforeStarting) { | |
| 92 keep_alive_->OnError(ChannelError::CONNECT_ERROR); | |
| 93 } | |
| 94 | |
| 95 TEST_F(KeepAliveDelegateTest, TestPing) { | |
| 96 EXPECT_CALL(*socket_.mock_transport(), | |
| 97 SendMessage(EqualsProto(KeepAliveDelegate::CreateKeepAliveMessage( | |
| 98 KeepAliveDelegate::kHeartbeatPingType)), | |
| 99 _)) | |
| 100 .WillOnce(PostCompletionCallbackTask<1>(net::OK)); | |
| 101 EXPECT_CALL(*inner_delegate_, Start()); | |
| 102 EXPECT_CALL(*ping_timer_, ResetTriggered()).Times(2); | |
| 103 EXPECT_CALL(*liveness_timer_, ResetTriggered()).Times(2); | |
| 104 EXPECT_CALL(*ping_timer_, Stop()); | |
| 105 | |
| 106 keep_alive_->Start(); | |
| 107 ping_timer_->Fire(); | |
| 108 keep_alive_->OnMessage(KeepAliveDelegate::CreateKeepAliveMessage( | |
| 109 KeepAliveDelegate::kHeartbeatPongType)); | |
| 110 RunPendingTasks(); | |
| 111 } | |
| 112 | |
| 113 TEST_F(KeepAliveDelegateTest, TestPingFailed) { | |
| 114 EXPECT_CALL(*socket_.mock_transport(), | |
| 115 SendMessage(EqualsProto(KeepAliveDelegate::CreateKeepAliveMessage( | |
| 116 KeepAliveDelegate::kHeartbeatPingType)), | |
| 117 _)) | |
| 118 .WillOnce(PostCompletionCallbackTask<1>(net::ERR_CONNECTION_RESET)); | |
| 119 EXPECT_CALL(*inner_delegate_, Start()); | |
| 120 EXPECT_CALL(*inner_delegate_, OnError(ChannelError::CAST_SOCKET_ERROR)); | |
| 121 EXPECT_CALL(*ping_timer_, ResetTriggered()).Times(1); | |
| 122 EXPECT_CALL(*liveness_timer_, ResetTriggered()).Times(1); | |
| 123 EXPECT_CALL(*liveness_timer_, Stop()); | |
| 124 EXPECT_CALL(*ping_timer_, Stop()).Times(2); | |
| 125 | |
| 126 keep_alive_->Start(); | |
| 127 ping_timer_->Fire(); | |
| 128 RunPendingTasks(); | |
| 129 EXPECT_EQ(proto::PING_WRITE_ERROR, | |
| 130 logger_->GetLastErrors(socket_.id()).event_type); | |
| 131 EXPECT_EQ(net::ERR_CONNECTION_RESET, | |
| 132 logger_->GetLastErrors(socket_.id()).net_return_value); | |
| 133 } | |
| 134 | |
| 135 TEST_F(KeepAliveDelegateTest, TestPingAndLivenessTimeout) { | |
| 136 EXPECT_CALL(*socket_.mock_transport(), | |
| 137 SendMessage(EqualsProto(KeepAliveDelegate::CreateKeepAliveMessage( | |
| 138 KeepAliveDelegate::kHeartbeatPingType)), | |
| 139 _)) | |
| 140 .WillOnce(PostCompletionCallbackTask<1>(net::OK)); | |
| 141 EXPECT_CALL(*inner_delegate_, OnError(ChannelError::PING_TIMEOUT)); | |
| 142 EXPECT_CALL(*inner_delegate_, Start()); | |
| 143 EXPECT_CALL(*ping_timer_, ResetTriggered()).Times(1); | |
| 144 EXPECT_CALL(*liveness_timer_, ResetTriggered()).Times(1); | |
| 145 EXPECT_CALL(*liveness_timer_, Stop()).Times(2); | |
| 146 EXPECT_CALL(*ping_timer_, Stop()).Times(2); | |
| 147 | |
| 148 keep_alive_->Start(); | |
| 149 ping_timer_->Fire(); | |
| 150 liveness_timer_->Fire(); | |
| 151 RunPendingTasks(); | |
| 152 } | |
| 153 | |
| 154 TEST_F(KeepAliveDelegateTest, TestResetTimersAndPassthroughAllOtherTraffic) { | |
| 155 CastMessage other_message = | |
| 156 KeepAliveDelegate::CreateKeepAliveMessage("NEITHER_PING_NOR_PONG"); | |
| 157 | |
| 158 EXPECT_CALL(*inner_delegate_, OnMessage(EqualsProto(other_message))); | |
| 159 EXPECT_CALL(*inner_delegate_, Start()); | |
| 160 EXPECT_CALL(*ping_timer_, ResetTriggered()).Times(2); | |
| 161 EXPECT_CALL(*liveness_timer_, ResetTriggered()).Times(2); | |
| 162 | |
| 163 keep_alive_->Start(); | |
| 164 keep_alive_->OnMessage(other_message); | |
| 165 RunPendingTasks(); | |
| 166 } | |
| 167 | |
| 168 TEST_F(KeepAliveDelegateTest, TestPassthroughMessagesAfterError) { | |
| 169 CastMessage message = | |
| 170 KeepAliveDelegate::CreateKeepAliveMessage("NEITHER_PING_NOR_PONG"); | |
| 171 CastMessage message_after_error = | |
| 172 KeepAliveDelegate::CreateKeepAliveMessage("ANOTHER_NOT_PING_NOR_PONG"); | |
| 173 CastMessage late_ping_message = KeepAliveDelegate::CreateKeepAliveMessage( | |
| 174 KeepAliveDelegate::kHeartbeatPingType); | |
| 175 | |
| 176 EXPECT_CALL(*inner_delegate_, Start()).Times(1); | |
| 177 EXPECT_CALL(*ping_timer_, ResetTriggered()).Times(2); | |
| 178 EXPECT_CALL(*liveness_timer_, ResetTriggered()).Times(2); | |
| 179 EXPECT_CALL(*liveness_timer_, Stop()).Times(1); | |
| 180 EXPECT_CALL(*ping_timer_, Stop()).Times(1); | |
| 181 | |
| 182 Sequence message_and_error_sequence; | |
| 183 EXPECT_CALL(*inner_delegate_, OnMessage(EqualsProto(message))) | |
| 184 .Times(1) | |
| 185 .InSequence(message_and_error_sequence) | |
| 186 .RetiresOnSaturation(); | |
| 187 EXPECT_CALL(*inner_delegate_, OnError(ChannelError::INVALID_MESSAGE)) | |
| 188 .Times(1) | |
| 189 .InSequence(message_and_error_sequence); | |
| 190 EXPECT_CALL(*inner_delegate_, OnMessage(EqualsProto(message_after_error))) | |
| 191 .Times(1) | |
| 192 .InSequence(message_and_error_sequence) | |
| 193 .RetiresOnSaturation(); | |
| 194 EXPECT_CALL(*inner_delegate_, OnMessage(EqualsProto(late_ping_message))) | |
| 195 .Times(0) | |
| 196 .InSequence(message_and_error_sequence) | |
| 197 .RetiresOnSaturation(); | |
| 198 | |
| 199 // Start, process one message, then error-out. KeepAliveDelegate will | |
| 200 // automatically stop itself. | |
| 201 keep_alive_->Start(); | |
| 202 keep_alive_->OnMessage(message); | |
| 203 RunPendingTasks(); | |
| 204 keep_alive_->OnError(ChannelError::INVALID_MESSAGE); | |
| 205 RunPendingTasks(); | |
| 206 | |
| 207 // Process a non-PING/PONG message and expect it to pass through. | |
| 208 keep_alive_->OnMessage(message_after_error); | |
| 209 RunPendingTasks(); | |
| 210 | |
| 211 // Process a late-arriving PING/PONG message, which should have no effect. | |
| 212 keep_alive_->OnMessage(late_ping_message); | |
| 213 RunPendingTasks(); | |
| 214 } | |
| 215 | |
| 216 } // namespace | |
| 217 } // namespace cast_channel | |
| 218 } // namespace api | |
| 219 } // namespace extensions | |
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Chromium Code Reviews
Issue 2913033003:
[cast_channel] Move cast_channel related files from //extensions to //components (Closed)
