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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 "components/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 "components/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 cast_channel { | |
| 23 namespace { | |
| 24 | |
| 25 const int64_t kTestPingTimeoutMillis = 1000; | |
| 26 const int64_t kTestLivenessTimeoutMillis = 10000; | |
| 27 | |
| 28 // Extends MockTimer with a mockable method ResetTriggered() which permits | |
| 29 // test code to set GMock expectations for Timer::Reset(). | |
| 30 class MockTimerWithMonitoredReset : public base::MockTimer { | |
| 31 public: | |
| 32 MockTimerWithMonitoredReset(bool retain_user_task, bool is_repeating) | |
| 33 : base::MockTimer(retain_user_task, is_repeating) {} | |
| 34 ~MockTimerWithMonitoredReset() override {} | |
| 35 | |
| 36 // Instrumentation point for determining how many times Reset() was called. | |
| 37 MOCK_METHOD0(ResetTriggered, void(void)); | |
| 38 MOCK_METHOD0(Stop, void(void)); | |
| 39 | |
| 40 // Passes through the Reset call to the base MockTimer and visits the mock | |
| 41 // ResetTriggered method. | |
| 42 void Reset() override { | |
| 43 base::MockTimer::Reset(); | |
| 44 ResetTriggered(); | |
| 45 } | |
| 46 }; | |
| 47 | |
| 48 class KeepAliveDelegateTest : public testing::Test { | |
| 49 public: | |
| 50 using ChannelError = ::cast_channel::ChannelError; | |
| 51 | |
| 52 KeepAliveDelegateTest() {} | |
| 53 ~KeepAliveDelegateTest() override {} | |
| 54 | |
| 55 protected: | |
| 56 void SetUp() override { | |
| 57 inner_delegate_ = new MockCastTransportDelegate; | |
| 58 logger_ = new Logger(); | |
| 59 keep_alive_.reset(new KeepAliveDelegate( | |
| 60 &socket_, logger_, base::WrapUnique(inner_delegate_), | |
| 61 base::TimeDelta::FromMilliseconds(kTestPingTimeoutMillis), | |
| 62 base::TimeDelta::FromMilliseconds(kTestLivenessTimeoutMillis))); | |
| 63 liveness_timer_ = new MockTimerWithMonitoredReset(true, false); | |
| 64 ping_timer_ = new MockTimerWithMonitoredReset(true, false); | |
| 65 EXPECT_CALL(*liveness_timer_, Stop()).Times(0); | |
| 66 EXPECT_CALL(*ping_timer_, Stop()).Times(0); | |
| 67 keep_alive_->SetTimersForTest(base::WrapUnique(ping_timer_), | |
| 68 base::WrapUnique(liveness_timer_)); | |
| 69 } | |
| 70 | |
| 71 // Runs all pending tasks in the message loop. | |
| 72 void RunPendingTasks() { | |
| 73 base::RunLoop run_loop; | |
| 74 run_loop.RunUntilIdle(); | |
| 75 } | |
| 76 | |
| 77 base::MessageLoop message_loop_; | |
| 78 MockCastSocket socket_; | |
| 79 std::unique_ptr<KeepAliveDelegate> keep_alive_; | |
| 80 scoped_refptr<Logger> logger_; | |
| 81 MockCastTransportDelegate* inner_delegate_; | |
| 82 MockTimerWithMonitoredReset* liveness_timer_; | |
| 83 MockTimerWithMonitoredReset* ping_timer_; | |
| 84 | |
| 85 private: | |
| 86 DISALLOW_COPY_AND_ASSIGN(KeepAliveDelegateTest); | |
| 87 }; | |
| 88 | |
| 89 TEST_F(KeepAliveDelegateTest, TestErrorHandledBeforeStarting) { | |
| 90 keep_alive_->OnError(ChannelError::CONNECT_ERROR); | |
| 91 } | |
| 92 | |
| 93 TEST_F(KeepAliveDelegateTest, TestPing) { | |
| 94 EXPECT_CALL(*socket_.mock_transport(), | |
| 95 SendMessage(EqualsProto(KeepAliveDelegate::CreateKeepAliveMessage( | |
| 96 KeepAliveDelegate::kHeartbeatPingType)), | |
| 97 _)) | |
| 98 .WillOnce(PostCompletionCallbackTask<1>(net::OK)); | |
| 99 EXPECT_CALL(*inner_delegate_, Start()); | |
| 100 EXPECT_CALL(*ping_timer_, ResetTriggered()).Times(2); | |
| 101 EXPECT_CALL(*liveness_timer_, ResetTriggered()).Times(2); | |
| 102 EXPECT_CALL(*ping_timer_, Stop()); | |
| 103 | |
| 104 keep_alive_->Start(); | |
| 105 ping_timer_->Fire(); | |
| 106 keep_alive_->OnMessage(KeepAliveDelegate::CreateKeepAliveMessage( | |
| 107 KeepAliveDelegate::kHeartbeatPongType)); | |
| 108 RunPendingTasks(); | |
| 109 } | |
| 110 | |
| 111 TEST_F(KeepAliveDelegateTest, TestPingFailed) { | |
| 112 EXPECT_CALL(*socket_.mock_transport(), | |
| 113 SendMessage(EqualsProto(KeepAliveDelegate::CreateKeepAliveMessage( | |
| 114 KeepAliveDelegate::kHeartbeatPingType)), | |
| 115 _)) | |
| 116 .WillOnce(PostCompletionCallbackTask<1>(net::ERR_CONNECTION_RESET)); | |
| 117 EXPECT_CALL(*inner_delegate_, Start()); | |
| 118 EXPECT_CALL(*inner_delegate_, OnError(ChannelError::CAST_SOCKET_ERROR)); | |
| 119 EXPECT_CALL(*ping_timer_, ResetTriggered()).Times(1); | |
| 120 EXPECT_CALL(*liveness_timer_, ResetTriggered()).Times(1); | |
| 121 EXPECT_CALL(*liveness_timer_, Stop()); | |
| 122 EXPECT_CALL(*ping_timer_, Stop()).Times(2); | |
| 123 | |
| 124 keep_alive_->Start(); | |
| 125 ping_timer_->Fire(); | |
| 126 RunPendingTasks(); | |
| 127 EXPECT_EQ(proto::PING_WRITE_ERROR, | |
| 128 logger_->GetLastErrors(socket_.id()).event_type); | |
| 129 EXPECT_EQ(net::ERR_CONNECTION_RESET, | |
| 130 logger_->GetLastErrors(socket_.id()).net_return_value); | |
| 131 } | |
| 132 | |
| 133 TEST_F(KeepAliveDelegateTest, TestPingAndLivenessTimeout) { | |
| 134 EXPECT_CALL(*socket_.mock_transport(), | |
| 135 SendMessage(EqualsProto(KeepAliveDelegate::CreateKeepAliveMessage( | |
| 136 KeepAliveDelegate::kHeartbeatPingType)), | |
| 137 _)) | |
| 138 .WillOnce(PostCompletionCallbackTask<1>(net::OK)); | |
| 139 EXPECT_CALL(*inner_delegate_, OnError(ChannelError::PING_TIMEOUT)); | |
| 140 EXPECT_CALL(*inner_delegate_, Start()); | |
| 141 EXPECT_CALL(*ping_timer_, ResetTriggered()).Times(1); | |
| 142 EXPECT_CALL(*liveness_timer_, ResetTriggered()).Times(1); | |
| 143 EXPECT_CALL(*liveness_timer_, Stop()).Times(2); | |
| 144 EXPECT_CALL(*ping_timer_, Stop()).Times(2); | |
| 145 | |
| 146 keep_alive_->Start(); | |
| 147 ping_timer_->Fire(); | |
| 148 liveness_timer_->Fire(); | |
| 149 RunPendingTasks(); | |
| 150 } | |
| 151 | |
| 152 TEST_F(KeepAliveDelegateTest, TestResetTimersAndPassthroughAllOtherTraffic) { | |
| 153 CastMessage other_message = | |
| 154 KeepAliveDelegate::CreateKeepAliveMessage("NEITHER_PING_NOR_PONG"); | |
| 155 | |
| 156 EXPECT_CALL(*inner_delegate_, OnMessage(EqualsProto(other_message))); | |
| 157 EXPECT_CALL(*inner_delegate_, Start()); | |
| 158 EXPECT_CALL(*ping_timer_, ResetTriggered()).Times(2); | |
| 159 EXPECT_CALL(*liveness_timer_, ResetTriggered()).Times(2); | |
| 160 | |
| 161 keep_alive_->Start(); | |
| 162 keep_alive_->OnMessage(other_message); | |
| 163 RunPendingTasks(); | |
| 164 } | |
| 165 | |
| 166 TEST_F(KeepAliveDelegateTest, TestPassthroughMessagesAfterError) { | |
| 167 CastMessage message = | |
| 168 KeepAliveDelegate::CreateKeepAliveMessage("NEITHER_PING_NOR_PONG"); | |
| 169 CastMessage message_after_error = | |
| 170 KeepAliveDelegate::CreateKeepAliveMessage("ANOTHER_NOT_PING_NOR_PONG"); | |
| 171 CastMessage late_ping_message = KeepAliveDelegate::CreateKeepAliveMessage( | |
| 172 KeepAliveDelegate::kHeartbeatPingType); | |
| 173 | |
| 174 EXPECT_CALL(*inner_delegate_, Start()).Times(1); | |
| 175 EXPECT_CALL(*ping_timer_, ResetTriggered()).Times(2); | |
| 176 EXPECT_CALL(*liveness_timer_, ResetTriggered()).Times(2); | |
| 177 EXPECT_CALL(*liveness_timer_, Stop()).Times(1); | |
| 178 EXPECT_CALL(*ping_timer_, Stop()).Times(1); | |
| 179 | |
| 180 Sequence message_and_error_sequence; | |
| 181 EXPECT_CALL(*inner_delegate_, OnMessage(EqualsProto(message))) | |
| 182 .Times(1) | |
| 183 .InSequence(message_and_error_sequence) | |
| 184 .RetiresOnSaturation(); | |
| 185 EXPECT_CALL(*inner_delegate_, OnError(ChannelError::INVALID_MESSAGE)) | |
| 186 .Times(1) | |
| 187 .InSequence(message_and_error_sequence); | |
| 188 EXPECT_CALL(*inner_delegate_, OnMessage(EqualsProto(message_after_error))) | |
| 189 .Times(1) | |
| 190 .InSequence(message_and_error_sequence) | |
| 191 .RetiresOnSaturation(); | |
| 192 EXPECT_CALL(*inner_delegate_, OnMessage(EqualsProto(late_ping_message))) | |
| 193 .Times(0) | |
| 194 .InSequence(message_and_error_sequence) | |
| 195 .RetiresOnSaturation(); | |
| 196 | |
| 197 // Start, process one message, then error-out. KeepAliveDelegate will | |
| 198 // automatically stop itself. | |
| 199 keep_alive_->Start(); | |
| 200 keep_alive_->OnMessage(message); | |
| 201 RunPendingTasks(); | |
| 202 keep_alive_->OnError(ChannelError::INVALID_MESSAGE); | |
| 203 RunPendingTasks(); | |
| 204 | |
| 205 // Process a non-PING/PONG message and expect it to pass through. | |
| 206 keep_alive_->OnMessage(message_after_error); | |
| 207 RunPendingTasks(); | |
| 208 | |
| 209 // Process a late-arriving PING/PONG message, which should have no effect. | |
| 210 keep_alive_->OnMessage(late_ping_message); | |
| 211 RunPendingTasks(); | |
| 212 } | |
| 213 | |
| 214 } // namespace | |
| 215 } // namespace cast_channel | |
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Chromium Code Reviews
Issue 2926313002:
Revert of [cast_channel] Move cast_channel related files from //extensions to //components (Closed)
