| // Copyright (c) 2012 The Chromium Authors. All rights reserved. |
| // Use of this source code is governed by a BSD-style license that can be |
| // found in the LICENSE file. |
| |
| #include "services/audio/input_controller.h" |
| |
| #include <memory> |
| |
| #include "base/macros.h" |
| #include "base/message_loop/message_loop.h" |
| #include "base/run_loop.h" |
| #include "base/test/scoped_task_environment.h" |
| #include "media/audio/audio_manager.h" |
| #include "media/audio/fake_audio_input_stream.h" |
| #include "media/audio/fake_audio_log_factory.h" |
| #include "media/audio/fake_audio_manager.h" |
| #include "media/audio/test_audio_thread.h" |
| #include "media/base/user_input_monitor.h" |
| #include "testing/gmock/include/gmock/gmock.h" |
| #include "testing/gtest/include/gtest/gtest.h" |
| |
| using ::testing::_; |
| using ::testing::AtLeast; |
| using ::testing::Exactly; |
| using ::testing::InvokeWithoutArgs; |
| using ::testing::NotNull; |
| using base::WaitableEvent; |
| |
| namespace audio { |
| |
| namespace { |
| |
| const int kSampleRate = media::AudioParameters::kAudioCDSampleRate; |
| const media::ChannelLayout kChannelLayout = media::CHANNEL_LAYOUT_STEREO; |
| const int kSamplesPerPacket = kSampleRate / 100; |
| |
| const double kMaxVolume = 1.0; |
| |
| // InputController will poll once every second, so wait at most a bit |
| // more than that for the callbacks. |
| constexpr base::TimeDelta kOnMutePollInterval = |
| base::TimeDelta::FromMilliseconds(1000); |
| |
| } // namespace |
| |
| class MockInputControllerEventHandler : public InputController::EventHandler { |
| public: |
| MockInputControllerEventHandler() = default; |
| |
| void OnLog(base::StringPiece) override {} |
| |
| MOCK_METHOD1(OnCreated, void(bool initially_muted)); |
| MOCK_METHOD1(OnError, void(InputController::ErrorCode error_code)); |
| MOCK_METHOD1(OnMuted, void(bool is_muted)); |
| |
| private: |
| DISALLOW_COPY_AND_ASSIGN(MockInputControllerEventHandler); |
| }; |
| |
| class MockSyncWriter : public InputController::SyncWriter { |
| public: |
| MockSyncWriter() = default; |
| |
| MOCK_METHOD4(Write, |
| void(const media::AudioBus* data, |
| double volume, |
| bool key_pressed, |
| base::TimeTicks capture_time)); |
| MOCK_METHOD0(Close, void()); |
| }; |
| |
| class MockUserInputMonitor : public media::UserInputMonitor { |
| public: |
| MockUserInputMonitor() = default; |
| |
| uint32_t GetKeyPressCount() const override { return 0; } |
| |
| MOCK_METHOD0(EnableKeyPressMonitoring, void()); |
| MOCK_METHOD0(DisableKeyPressMonitoring, void()); |
| }; |
| |
| class MockAudioInputStream : public media::AudioInputStream { |
| public: |
| MockAudioInputStream() {} |
| ~MockAudioInputStream() override {} |
| |
| void Start(AudioInputCallback*) override {} |
| void Stop() override {} |
| void Close() override {} |
| double GetMaxVolume() override { return kMaxVolume; } |
| double GetVolume() override { return 0; } |
| bool SetAutomaticGainControl(bool) override { return false; } |
| bool GetAutomaticGainControl() override { return false; } |
| bool IsMuted() override { return false; } |
| void SetOutputDeviceForAec(const std::string&) override {} |
| |
| MOCK_METHOD0(Open, bool()); |
| MOCK_METHOD1(SetVolume, void(double)); |
| }; |
| |
| class InputControllerTest : public testing::Test { |
| public: |
| InputControllerTest() |
| : task_environment_( |
| base::test::ScopedTaskEnvironment::MainThreadType::MOCK_TIME), |
| audio_manager_(std::make_unique<media::FakeAudioManager>( |
| std::make_unique<media::TestAudioThread>(false), |
| &log_factory_)), |
| params_(media::AudioParameters::AUDIO_FAKE, |
| kChannelLayout, |
| kSampleRate, |
| kSamplesPerPacket) {} |
| |
| ~InputControllerTest() override { |
| audio_manager_->Shutdown(); |
| task_environment_.RunUntilIdle(); |
| } |
| |
| protected: |
| void CreateAudioController() { |
| controller_ = InputController::Create( |
| audio_manager_.get(), &event_handler_, &sync_writer_, |
| &user_input_monitor_, params_, |
| media::AudioDeviceDescription::kDefaultDeviceId, false); |
| } |
| |
| base::test::ScopedTaskEnvironment task_environment_; |
| |
| std::unique_ptr<InputController> controller_; |
| media::FakeAudioLogFactory log_factory_; |
| std::unique_ptr<media::AudioManager> audio_manager_; |
| MockInputControllerEventHandler event_handler_; |
| MockSyncWriter sync_writer_; |
| MockUserInputMonitor user_input_monitor_; |
| media::AudioParameters params_; |
| MockAudioInputStream stream_; |
| |
| private: |
| DISALLOW_COPY_AND_ASSIGN(InputControllerTest); |
| }; |
| |
| TEST_F(InputControllerTest, CreateAndCloseWithoutRecording) { |
| EXPECT_CALL(event_handler_, OnCreated(_)); |
| CreateAudioController(); |
| task_environment_.RunUntilIdle(); |
| ASSERT_TRUE(controller_.get()); |
| |
| EXPECT_CALL(sync_writer_, Close()); |
| controller_->Close(); |
| } |
| |
| // Test a normal call sequence of create, record and close. |
| TEST_F(InputControllerTest, CreateRecordAndClose) { |
| EXPECT_CALL(event_handler_, OnCreated(_)); |
| CreateAudioController(); |
| ASSERT_TRUE(controller_.get()); |
| |
| base::RunLoop loop; |
| |
| { |
| // Wait for Write() to be called ten times. |
| testing::InSequence s; |
| EXPECT_CALL(user_input_monitor_, EnableKeyPressMonitoring()); |
| EXPECT_CALL(sync_writer_, Write(NotNull(), _, _, _)).Times(Exactly(9)); |
| EXPECT_CALL(sync_writer_, Write(NotNull(), _, _, _)) |
| .Times(AtLeast(1)) |
| .WillOnce(InvokeWithoutArgs([&]() { loop.Quit(); })); |
| } |
| controller_->Record(); |
| loop.Run(); |
| |
| testing::Mock::VerifyAndClearExpectations(&user_input_monitor_); |
| testing::Mock::VerifyAndClearExpectations(&sync_writer_); |
| |
| EXPECT_CALL(sync_writer_, Close()); |
| EXPECT_CALL(user_input_monitor_, DisableKeyPressMonitoring()); |
| controller_->Close(); |
| |
| task_environment_.RunUntilIdle(); |
| } |
| |
| // Test that InputController rejects insanely large packet sizes. |
| TEST_F(InputControllerTest, SamplesPerPacketTooLarge) { |
| // Create an audio device with a very large packet size. |
| params_.set_frames_per_buffer(1000000); |
| |
| // OnCreated() shall not be called in this test. |
| EXPECT_CALL(event_handler_, OnCreated(_)).Times(Exactly(0)); |
| CreateAudioController(); |
| ASSERT_FALSE(controller_.get()); |
| } |
| |
| TEST_F(InputControllerTest, CloseTwice) { |
| EXPECT_CALL(event_handler_, OnCreated(_)); |
| CreateAudioController(); |
| ASSERT_TRUE(controller_.get()); |
| |
| EXPECT_CALL(user_input_monitor_, EnableKeyPressMonitoring()); |
| controller_->Record(); |
| |
| EXPECT_CALL(user_input_monitor_, DisableKeyPressMonitoring()); |
| EXPECT_CALL(sync_writer_, Close()); |
| controller_->Close(); |
| |
| controller_->Close(); |
| } |
| |
| // Test that InputController sends OnMute callbacks properly. |
| TEST_F(InputControllerTest, TestOnmutedCallbackInitiallyUnmuted) { |
| WaitableEvent callback_event(WaitableEvent::ResetPolicy::AUTOMATIC, |
| WaitableEvent::InitialState::NOT_SIGNALED); |
| |
| EXPECT_CALL(event_handler_, OnCreated(false)); |
| EXPECT_CALL(sync_writer_, Close()); |
| |
| media::FakeAudioInputStream::SetGlobalMutedState(false); |
| CreateAudioController(); |
| ASSERT_TRUE(controller_.get()); |
| task_environment_.FastForwardBy(kOnMutePollInterval); |
| |
| testing::Mock::VerifyAndClearExpectations(&event_handler_); |
| EXPECT_CALL(event_handler_, OnMuted(true)); |
| media::FakeAudioInputStream::SetGlobalMutedState(true); |
| task_environment_.FastForwardBy(kOnMutePollInterval); |
| |
| testing::Mock::VerifyAndClearExpectations(&event_handler_); |
| EXPECT_CALL(event_handler_, OnMuted(false)); |
| media::FakeAudioInputStream::SetGlobalMutedState(false); |
| task_environment_.FastForwardBy(kOnMutePollInterval); |
| |
| controller_->Close(); |
| } |
| |
| TEST_F(InputControllerTest, TestOnmutedCallbackInitiallyMuted) { |
| WaitableEvent callback_event(WaitableEvent::ResetPolicy::AUTOMATIC, |
| WaitableEvent::InitialState::NOT_SIGNALED); |
| |
| EXPECT_CALL(event_handler_, OnCreated(true)); |
| EXPECT_CALL(sync_writer_, Close()); |
| |
| media::FakeAudioInputStream::SetGlobalMutedState(true); |
| CreateAudioController(); |
| ASSERT_TRUE(controller_.get()); |
| task_environment_.FastForwardBy(kOnMutePollInterval); |
| |
| testing::Mock::VerifyAndClearExpectations(&event_handler_); |
| |
| EXPECT_CALL(event_handler_, OnMuted(false)); |
| media::FakeAudioInputStream::SetGlobalMutedState(false); |
| task_environment_.FastForwardBy(kOnMutePollInterval); |
| |
| controller_->Close(); |
| } |
| |
| } // namespace audio |