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- // Copyright 2018 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/output_stream.h"
- #include <utility>
- #include "base/bind.h"
- #include "base/callback_helpers.h"
- #include "base/test/mock_callback.h"
- #include "base/test/task_environment.h"
- #include "base/unguessable_token.h"
- #include "media/audio/audio_io.h"
- #include "media/audio/mock_audio_manager.h"
- #include "media/audio/test_audio_thread.h"
- #include "mojo/public/cpp/bindings/associated_receiver.h"
- #include "mojo/public/cpp/bindings/receiver.h"
- #include "mojo/public/cpp/system/functions.h"
- #include "services/audio/stream_factory.h"
- #include "services/audio/test/mock_log.h"
- #include "testing/gmock/include/gmock/gmock.h"
- #include "testing/gtest/include/gtest/gtest.h"
- using testing::AtMost;
- using testing::DeleteArg;
- using testing::Mock;
- using testing::NiceMock;
- using testing::NotNull;
- using testing::Return;
- using testing::SaveArg;
- using testing::StrictMock;
- using testing::_;
- namespace audio {
- namespace {
- // Aliases for use with MockCreatedCallback::Created().
- const bool successfully_ = true;
- const bool unsuccessfully_ = false;
- class MockStream : public media::AudioOutputStream {
- public:
- MockStream() {}
- MockStream(const MockStream&) = delete;
- MockStream& operator=(const MockStream&) = delete;
- MOCK_METHOD0(Open, bool());
- MOCK_METHOD1(Start, void(AudioSourceCallback* callback));
- MOCK_METHOD0(Stop, void());
- MOCK_METHOD1(SetVolume, void(double volume));
- MOCK_METHOD1(GetVolume, void(double* volume));
- MOCK_METHOD0(Close, void());
- MOCK_METHOD0(Flush, void());
- };
- const uint32_t kPlatformErrorDisconnectReason = static_cast<uint32_t>(
- media::mojom::AudioOutputStreamObserver::DisconnectReason::kPlatformError);
- const uint32_t kTerminatedByClientDisconnectReason =
- static_cast<uint32_t>(media::mojom::AudioOutputStreamObserver::
- DisconnectReason::kTerminatedByClient);
- class MockObserver : public media::mojom::AudioOutputStreamObserver {
- public:
- MockObserver() = default;
- MockObserver(const MockObserver&) = delete;
- MockObserver& operator=(const MockObserver&) = delete;
- mojo::PendingAssociatedRemote<media::mojom::AudioOutputStreamObserver>
- MakeRemote() {
- DCHECK(!receiver_.is_bound());
- mojo::PendingAssociatedRemote<media::mojom::AudioOutputStreamObserver>
- remote;
- receiver_.Bind(remote.InitWithNewEndpointAndPassReceiver());
- receiver_.set_disconnect_with_reason_handler(base::BindOnce(
- &MockObserver::BindingConnectionError, base::Unretained(this)));
- return remote;
- }
- void CloseBinding() { receiver_.reset(); }
- MOCK_METHOD0(DidStartPlaying, void());
- MOCK_METHOD0(DidStopPlaying, void());
- MOCK_METHOD1(DidChangeAudibleState, void(bool));
- MOCK_METHOD2(BindingConnectionError,
- void(uint32_t /*disconnect_reason*/, const std::string&));
- private:
- mojo::AssociatedReceiver<media::mojom::AudioOutputStreamObserver> receiver_{
- this};
- };
- class MockCreatedCallback {
- public:
- MockCreatedCallback() {}
- MockCreatedCallback(const MockCreatedCallback&) = delete;
- MockCreatedCallback& operator=(const MockCreatedCallback&) = delete;
- MOCK_METHOD1(Created, void(bool /*valid*/));
- void OnCreated(media::mojom::ReadWriteAudioDataPipePtr ptr) {
- Created(!!ptr);
- }
- OutputStream::CreatedCallback Get() {
- return base::BindOnce(&MockCreatedCallback::OnCreated,
- base::Unretained(this));
- }
- };
- } // namespace
- // Instantiates various classes that we're going to want in most test cases.
- class TestEnvironment {
- public:
- TestEnvironment()
- : audio_manager_(std::make_unique<media::TestAudioThread>(false)),
- stream_factory_(&audio_manager_, /*aecdump_recording_manager=*/nullptr),
- stream_factory_receiver_(
- &stream_factory_,
- remote_stream_factory_.BindNewPipeAndPassReceiver()) {
- mojo::SetDefaultProcessErrorHandler(bad_message_callback_.Get());
- }
- TestEnvironment(const TestEnvironment&) = delete;
- TestEnvironment& operator=(const TestEnvironment&) = delete;
- ~TestEnvironment() {
- audio_manager_.Shutdown();
- mojo::SetDefaultProcessErrorHandler(base::NullCallback());
- }
- using MockDeleteCallback = base::MockCallback<OutputStream::DeleteCallback>;
- using MockBadMessageCallback =
- base::MockCallback<base::RepeatingCallback<void(const std::string&)>>;
- mojo::PendingRemote<media::mojom::AudioOutputStream> CreateStream() {
- mojo::PendingRemote<media::mojom::AudioOutputStream> remote_stream;
- remote_stream_factory_->CreateOutputStream(
- remote_stream.InitWithNewPipeAndPassReceiver(), observer_.MakeRemote(),
- log_.MakeRemote(), "",
- media::AudioParameters::UnavailableDeviceParams(),
- base::UnguessableToken::Create(), created_callback_.Get());
- return remote_stream;
- }
- mojo::PendingRemote<media::mojom::AudioOutputStream>
- CreateStreamWithNullptrObserver() {
- mojo::PendingRemote<media::mojom::AudioOutputStream> remote_stream;
- remote_stream_factory_->CreateOutputStream(
- remote_stream.InitWithNewPipeAndPassReceiver(),
- mojo::NullAssociatedRemote(), log_.MakeRemote(), "",
- media::AudioParameters::UnavailableDeviceParams(),
- base::UnguessableToken::Create(), created_callback_.Get());
- return remote_stream;
- }
- mojo::PendingRemote<media::mojom::AudioOutputStream>
- CreateStreamWithNullptrLog() {
- mojo::PendingRemote<media::mojom::AudioOutputStream> remote_stream;
- remote_stream_factory_->CreateOutputStream(
- remote_stream.InitWithNewPipeAndPassReceiver(), observer_.MakeRemote(),
- mojo::NullRemote(), "",
- media::AudioParameters::UnavailableDeviceParams(),
- base::UnguessableToken::Create(), created_callback_.Get());
- return remote_stream;
- }
- media::MockAudioManager& audio_manager() { return audio_manager_; }
- MockObserver& observer() { return observer_; }
- MockLog& log() { return log_; }
- MockCreatedCallback& created_callback() { return created_callback_; }
- MockBadMessageCallback& bad_message_callback() {
- return bad_message_callback_;
- }
- media::mojom::AudioStreamFactory* remote_stream_factory() {
- return remote_stream_factory_.get();
- }
- private:
- base::test::TaskEnvironment tasks_;
- media::MockAudioManager audio_manager_;
- StreamFactory stream_factory_;
- mojo::Remote<media::mojom::AudioStreamFactory> remote_stream_factory_;
- mojo::Receiver<media::mojom::AudioStreamFactory> stream_factory_receiver_;
- StrictMock<MockObserver> observer_;
- NiceMock<MockLog> log_;
- StrictMock<MockCreatedCallback> created_callback_;
- StrictMock<MockBadMessageCallback> bad_message_callback_;
- };
- TEST(AudioServiceOutputStreamTest, ConstructDestruct) {
- TestEnvironment env;
- MockStream mock_stream;
- EXPECT_CALL(env.created_callback(), Created(successfully_));
- env.audio_manager().SetMakeOutputStreamCB(base::BindRepeating(
- [](media::AudioOutputStream* stream, const media::AudioParameters& params,
- const std::string& device_id) { return stream; },
- &mock_stream));
- EXPECT_CALL(mock_stream, Open()).WillOnce(Return(true));
- EXPECT_CALL(mock_stream, SetVolume(1));
- EXPECT_CALL(env.log(), OnCreated(_, _));
- mojo::Remote<media::mojom::AudioOutputStream> stream(env.CreateStream());
- base::RunLoop().RunUntilIdle();
- Mock::VerifyAndClear(&mock_stream);
- Mock::VerifyAndClear(&env.created_callback());
- EXPECT_CALL(env.log(), OnClosed());
- EXPECT_CALL(mock_stream, Close());
- EXPECT_CALL(env.observer(),
- BindingConnectionError(kTerminatedByClientDisconnectReason, _));
- stream.reset();
- base::RunLoop().RunUntilIdle();
- }
- TEST(AudioServiceOutputStreamTest, ConstructDestructNullptrObserver) {
- TestEnvironment env;
- MockStream mock_stream;
- EXPECT_CALL(env.created_callback(), Created(successfully_));
- env.audio_manager().SetMakeOutputStreamCB(base::BindRepeating(
- [](media::AudioOutputStream* stream, const media::AudioParameters& params,
- const std::string& device_id) { return stream; },
- &mock_stream));
- EXPECT_CALL(mock_stream, Open()).WillOnce(Return(true));
- EXPECT_CALL(mock_stream, SetVolume(1));
- EXPECT_CALL(env.log(), OnCreated(_, _));
- mojo::Remote<media::mojom::AudioOutputStream> stream(
- env.CreateStreamWithNullptrObserver());
- base::RunLoop().RunUntilIdle();
- Mock::VerifyAndClear(&mock_stream);
- Mock::VerifyAndClear(&env.created_callback());
- EXPECT_CALL(env.log(), OnClosed());
- EXPECT_CALL(mock_stream, Close());
- stream.reset();
- base::RunLoop().RunUntilIdle();
- }
- TEST(AudioServiceOutputStreamTest, ConstructDestructNullptrLog) {
- TestEnvironment env;
- MockStream mock_stream;
- EXPECT_CALL(env.created_callback(), Created(successfully_));
- env.audio_manager().SetMakeOutputStreamCB(base::BindRepeating(
- [](media::AudioOutputStream* stream, const media::AudioParameters& params,
- const std::string& device_id) { return stream; },
- &mock_stream));
- EXPECT_CALL(mock_stream, Open()).WillOnce(Return(true));
- EXPECT_CALL(mock_stream, SetVolume(1));
- mojo::Remote<media::mojom::AudioOutputStream> stream(
- env.CreateStreamWithNullptrLog());
- base::RunLoop().RunUntilIdle();
- Mock::VerifyAndClear(&mock_stream);
- Mock::VerifyAndClear(&env.created_callback());
- EXPECT_CALL(mock_stream, Close());
- EXPECT_CALL(env.observer(),
- BindingConnectionError(kTerminatedByClientDisconnectReason, _));
- stream.reset();
- base::RunLoop().RunUntilIdle();
- }
- TEST(AudioServiceOutputStreamTest,
- ConstructStreamAndDestructObserver_DestructsStream) {
- TestEnvironment env;
- MockStream mock_stream;
- env.audio_manager().SetMakeOutputStreamCB(base::BindRepeating(
- [](media::AudioOutputStream* stream, const media::AudioParameters& params,
- const std::string& device_id) { return stream; },
- &mock_stream));
- EXPECT_CALL(env.created_callback(), Created(successfully_));
- EXPECT_CALL(mock_stream, Open()).WillOnce(Return(true));
- EXPECT_CALL(mock_stream, SetVolume(1));
- mojo::Remote<media::mojom::AudioOutputStream> stream(env.CreateStream());
- base::RunLoop().RunUntilIdle();
- Mock::VerifyAndClear(&mock_stream);
- Mock::VerifyAndClear(&env.created_callback());
- EXPECT_CALL(mock_stream, Close());
- env.observer().CloseBinding();
- base::RunLoop().RunUntilIdle();
- Mock::VerifyAndClear(&mock_stream);
- }
- TEST(AudioServiceOutputStreamTest,
- ConstructStreamAndReleaseStreamPtr_DestructsStream) {
- TestEnvironment env;
- MockStream mock_stream;
- env.audio_manager().SetMakeOutputStreamCB(base::BindRepeating(
- [](media::AudioOutputStream* stream, const media::AudioParameters& params,
- const std::string& device_id) { return stream; },
- &mock_stream));
- EXPECT_CALL(env.created_callback(), Created(successfully_));
- EXPECT_CALL(mock_stream, Open()).WillOnce(Return(true));
- EXPECT_CALL(mock_stream, SetVolume(1));
- mojo::Remote<media::mojom::AudioOutputStream> stream(env.CreateStream());
- base::RunLoop().RunUntilIdle();
- Mock::VerifyAndClear(&mock_stream);
- Mock::VerifyAndClear(&env.created_callback());
- EXPECT_CALL(mock_stream, Close());
- EXPECT_CALL(env.observer(),
- BindingConnectionError(kTerminatedByClientDisconnectReason, _));
- stream.reset();
- base::RunLoop().RunUntilIdle();
- Mock::VerifyAndClear(&mock_stream);
- Mock::VerifyAndClear(&env.observer());
- }
- TEST(AudioServiceOutputStreamTest, Play_Plays) {
- TestEnvironment env;
- MockStream mock_stream;
- EXPECT_CALL(env.created_callback(), Created(successfully_));
- env.audio_manager().SetMakeOutputStreamCB(base::BindRepeating(
- [](media::AudioOutputStream* stream, const media::AudioParameters& params,
- const std::string& device_id) { return stream; },
- &mock_stream));
- EXPECT_CALL(mock_stream, Open()).WillOnce(Return(true));
- EXPECT_CALL(mock_stream, SetVolume(1));
- mojo::Remote<media::mojom::AudioOutputStream> stream(env.CreateStream());
- base::RunLoop().RunUntilIdle();
- Mock::VerifyAndClear(&mock_stream);
- Mock::VerifyAndClear(&env.created_callback());
- EXPECT_CALL(mock_stream, Start(NotNull()));
- EXPECT_CALL(env.log(), OnStarted());
- EXPECT_CALL(env.observer(), DidStartPlaying());
- // May or may not get an audibility notification depending on if power
- // monitoring is enabled.
- EXPECT_CALL(env.observer(), DidChangeAudibleState(true)).Times(AtMost(1));
- stream->Play();
- base::RunLoop().RunUntilIdle();
- Mock::VerifyAndClear(&mock_stream);
- Mock::VerifyAndClear(&env.observer());
- EXPECT_CALL(mock_stream, Stop());
- EXPECT_CALL(mock_stream, Close());
- EXPECT_CALL(env.observer(), DidChangeAudibleState(false)).Times(AtMost(1));
- EXPECT_CALL(env.observer(), DidStopPlaying()).Times(AtMost(1));
- EXPECT_CALL(env.observer(),
- BindingConnectionError(kTerminatedByClientDisconnectReason, _));
- stream.reset();
- base::RunLoop().RunUntilIdle();
- }
- TEST(AudioServiceOutputStreamTest, PlayAndPause_PlaysAndStops) {
- TestEnvironment env;
- MockStream mock_stream;
- EXPECT_CALL(env.created_callback(), Created(successfully_));
- env.audio_manager().SetMakeOutputStreamCB(base::BindRepeating(
- [](media::AudioOutputStream* stream, const media::AudioParameters& params,
- const std::string& device_id) { return stream; },
- &mock_stream));
- EXPECT_CALL(mock_stream, Open()).WillOnce(Return(true));
- EXPECT_CALL(mock_stream, SetVolume(1));
- mojo::Remote<media::mojom::AudioOutputStream> stream(env.CreateStream());
- base::RunLoop().RunUntilIdle();
- Mock::VerifyAndClear(&mock_stream);
- Mock::VerifyAndClear(&env.created_callback());
- EXPECT_CALL(mock_stream, Start(NotNull()));
- EXPECT_CALL(env.observer(), DidStartPlaying());
- // May or may not get an audibility notification depending on if power
- // monitoring is enabled.
- EXPECT_CALL(env.observer(), DidChangeAudibleState(true)).Times(AtMost(1));
- stream->Play();
- base::RunLoop().RunUntilIdle();
- Mock::VerifyAndClear(&mock_stream);
- Mock::VerifyAndClear(&env.observer());
- EXPECT_CALL(mock_stream, Stop());
- EXPECT_CALL(env.log(), OnStopped());
- EXPECT_CALL(env.observer(), DidChangeAudibleState(false)).Times(AtMost(1));
- EXPECT_CALL(env.observer(), DidStopPlaying());
- stream->Pause();
- base::RunLoop().RunUntilIdle();
- Mock::VerifyAndClear(&mock_stream);
- Mock::VerifyAndClear(&env.observer());
- EXPECT_CALL(mock_stream, Close());
- EXPECT_CALL(env.observer(),
- BindingConnectionError(kTerminatedByClientDisconnectReason, _));
- stream.reset();
- base::RunLoop().RunUntilIdle();
- }
- TEST(AudioServiceOutputStreamTest, SetVolume_SetsVolume) {
- double new_volume = 0.618;
- TestEnvironment env;
- MockStream mock_stream;
- EXPECT_CALL(env.created_callback(), Created(successfully_));
- env.audio_manager().SetMakeOutputStreamCB(base::BindRepeating(
- [](media::AudioOutputStream* stream, const media::AudioParameters& params,
- const std::string& device_id) { return stream; },
- &mock_stream));
- EXPECT_CALL(mock_stream, Open()).WillOnce(Return(true));
- EXPECT_CALL(mock_stream, SetVolume(1));
- mojo::Remote<media::mojom::AudioOutputStream> stream(env.CreateStream());
- base::RunLoop().RunUntilIdle();
- Mock::VerifyAndClear(&mock_stream);
- Mock::VerifyAndClear(&env.created_callback());
- EXPECT_CALL(mock_stream, SetVolume(new_volume));
- EXPECT_CALL(env.log(), OnSetVolume(new_volume));
- stream->SetVolume(new_volume);
- base::RunLoop().RunUntilIdle();
- Mock::VerifyAndClear(&mock_stream);
- EXPECT_CALL(mock_stream, Close());
- EXPECT_CALL(env.observer(),
- BindingConnectionError(kTerminatedByClientDisconnectReason, _));
- stream.reset();
- base::RunLoop().RunUntilIdle();
- }
- TEST(AudioServiceOutputStreamTest, SetNegativeVolume_BadMessage) {
- TestEnvironment env;
- MockStream mock_stream;
- EXPECT_CALL(env.created_callback(), Created(successfully_));
- env.audio_manager().SetMakeOutputStreamCB(base::BindRepeating(
- [](media::AudioOutputStream* stream, const media::AudioParameters& params,
- const std::string& device_id) { return stream; },
- &mock_stream));
- EXPECT_CALL(mock_stream, Open()).WillOnce(Return(true));
- EXPECT_CALL(mock_stream, SetVolume(1));
- mojo::Remote<media::mojom::AudioOutputStream> stream(env.CreateStream());
- base::RunLoop().RunUntilIdle();
- Mock::VerifyAndClear(&mock_stream);
- Mock::VerifyAndClear(&env.created_callback());
- EXPECT_CALL(mock_stream, Close());
- EXPECT_CALL(env.observer(),
- BindingConnectionError(kPlatformErrorDisconnectReason, _));
- EXPECT_CALL(env.bad_message_callback(), Run(_));
- stream->SetVolume(-0.1);
- base::RunLoop().RunUntilIdle();
- }
- TEST(AudioServiceOutputStreamTest, SetVolumeGreaterThanOne_BadMessage) {
- TestEnvironment env;
- MockStream mock_stream;
- EXPECT_CALL(env.created_callback(), Created(successfully_));
- env.audio_manager().SetMakeOutputStreamCB(base::BindRepeating(
- [](media::AudioOutputStream* stream, const media::AudioParameters& params,
- const std::string& device_id) { return stream; },
- &mock_stream));
- EXPECT_CALL(mock_stream, Open()).WillOnce(Return(true));
- EXPECT_CALL(mock_stream, SetVolume(1));
- mojo::Remote<media::mojom::AudioOutputStream> stream(env.CreateStream());
- base::RunLoop().RunUntilIdle();
- Mock::VerifyAndClear(&mock_stream);
- Mock::VerifyAndClear(&env.created_callback());
- EXPECT_CALL(mock_stream, Close());
- EXPECT_CALL(env.observer(),
- BindingConnectionError(kPlatformErrorDisconnectReason, _));
- EXPECT_CALL(env.bad_message_callback(), Run(_));
- stream->SetVolume(1.1);
- base::RunLoop().RunUntilIdle();
- }
- TEST(AudioServiceOutputStreamTest,
- ConstructWithStreamCreationFailure_SignalsError) {
- TestEnvironment env;
- // By default, the MockAudioManager fails to create a stream.
- mojo::Remote<media::mojom::AudioOutputStream> stream(env.CreateStream());
- EXPECT_CALL(env.created_callback(), Created(unsuccessfully_));
- EXPECT_CALL(env.observer(),
- BindingConnectionError(kPlatformErrorDisconnectReason, _));
- EXPECT_CALL(env.log(), OnError());
- base::RunLoop().RunUntilIdle();
- Mock::VerifyAndClear(&env.observer());
- }
- TEST(AudioServiceOutputStreamTest,
- ConstructWithStreamCreationFailureAndDestructBeforeErrorFires_NoCrash) {
- // The main purpose of this test is to make sure that that delete callback
- // call is deferred, and that it is canceled in case of destruction.
- TestEnvironment env;
- // By default, the MockAudioManager fails to create a stream.
- mojo::Remote<media::mojom::AudioOutputStream> stream(env.CreateStream());
- EXPECT_CALL(env.created_callback(), Created(unsuccessfully_));
- EXPECT_CALL(env.observer(),
- BindingConnectionError(kPlatformErrorDisconnectReason, _));
- base::RunLoop().RunUntilIdle();
- Mock::VerifyAndClear(&env.observer());
- }
- TEST(AudioServiceOutputStreamTest, BindMuters) {
- // Set up the test environment.
- TestEnvironment env;
- MockStream mock_stream;
- EXPECT_CALL(env.created_callback(), Created(successfully_));
- env.audio_manager().SetMakeOutputStreamCB(base::BindRepeating(
- [](media::AudioOutputStream* stream, const media::AudioParameters& params,
- const std::string& device_id) { return stream; },
- &mock_stream));
- EXPECT_CALL(mock_stream, Open()).WillOnce(Return(true));
- EXPECT_CALL(mock_stream, SetVolume(1));
- EXPECT_CALL(env.log(), OnCreated(_, _));
- mojo::Remote<media::mojom::AudioOutputStream> stream(env.CreateStream());
- base::RunLoop().RunUntilIdle();
- Mock::VerifyAndClear(&mock_stream);
- Mock::VerifyAndClear(&env.created_callback());
- // Bind the first muter.
- mojo::AssociatedRemote<media::mojom::LocalMuter> muter1;
- base::UnguessableToken group_id = base::UnguessableToken::Create();
- env.remote_stream_factory()->BindMuter(
- muter1.BindNewEndpointAndPassReceiver(), group_id);
- base::RunLoop().RunUntilIdle();
- // Unbind the first muter and immediately bind the second muter. The muter
- // should not be destroyed in this case.
- muter1.reset();
- mojo::AssociatedRemote<media::mojom::LocalMuter> muter2;
- env.remote_stream_factory()->BindMuter(
- muter2.BindNewEndpointAndPassReceiver(), group_id);
- base::RunLoop().RunUntilIdle();
- EXPECT_CALL(env.log(), OnClosed());
- EXPECT_CALL(mock_stream, Close());
- EXPECT_CALL(env.observer(),
- BindingConnectionError(kTerminatedByClientDisconnectReason, _));
- stream.reset();
- base::RunLoop().RunUntilIdle();
- }
- } // namespace audio
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