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Unified Diff: content/browser/renderer_host/media/audio_output_delegate_unittest.cc

Issue 2443573003: Factor out AudioOutputDelegate from AudioRendererHost. (Closed)
Patch Set: . Created 4 years, 1 month ago
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Index: content/browser/renderer_host/media/audio_output_delegate_unittest.cc
diff --git a/content/browser/renderer_host/media/audio_output_delegate_unittest.cc b/content/browser/renderer_host/media/audio_output_delegate_unittest.cc
new file mode 100644
index 0000000000000000000000000000000000000000..b5918cf21829a62f5f8fc2508fde8a60b44d770d
--- /dev/null
+++ b/content/browser/renderer_host/media/audio_output_delegate_unittest.cc
@@ -0,0 +1,360 @@
+// 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 "content/browser/renderer_host/media/audio_output_delegate.h"
+
+#include <stdint.h>
+
+#include <memory>
+#include <utility>
+
+#include "base/bind.h"
+#include "base/command_line.h"
+#include "base/run_loop.h"
+#include "content/browser/media/capture/audio_mirroring_manager.h"
+#include "content/browser/renderer_host/media/media_stream_manager.h"
+#include "content/public/browser/browser_thread.h"
+#include "content/public/test/test_browser_thread_bundle.h"
+#include "media/audio/fake_audio_log_factory.h"
+#include "media/audio/fake_audio_manager.h"
+#include "media/base/media_switches.h"
+#include "testing/gmock/include/gmock/gmock.h"
+#include "testing/gtest/include/gtest/gtest.h"
+
+using ::testing::_;
+using ::testing::InSequence;
+using ::testing::NiceMock;
+using ::testing::NotNull;
+
+// Not yet tested:
+// - Interactions with AudioStreamMonitor (goes through WebContentsImpl,
+// so it's a bit tricky).
+// - Logging (small risk of bugs, not worth the effort).
+// - That the returned socket/memory is correctly set up.
+
+namespace content {
+
+namespace {
+
+const int kRenderProcessId = 1;
+const int kRenderFrameId = 5;
+const int kStreamId = 50;
+const char kDefaultDeviceId[] = "";
+
+struct MockAudioMirroringManager : public AudioMirroringManager {
+ MockAudioMirroringManager() = default;
+ ~MockAudioMirroringManager() override = default;
+
+ MOCK_METHOD3(AddDiverter,
+ void(int render_process_id,
+ int render_frame_id,
+ Diverter* diverter));
+ MOCK_METHOD1(RemoveDiverter, void(Diverter* diverter));
+};
+
+struct MockObserver : public content::MediaObserver {
+ void OnAudioCaptureDevicesChanged() override {}
+ void OnVideoCaptureDevicesChanged() override {}
+ void OnMediaRequestStateChanged(int render_process_id,
+ int render_frame_id,
+ int page_request_id,
+ const GURL& security_origin,
+ MediaStreamType stream_type,
+ MediaRequestState state) override {}
+ void OnSetCapturingLinkSecured(int render_process_id,
+ int render_frame_id,
+ int page_request_id,
+ MediaStreamType stream_type,
+ bool is_secure) override {}
+
+ MOCK_METHOD2(OnCreatingAudioStream,
+ void(int render_process_id, int render_frame_id));
+};
+
+struct MockEventHandler : public AudioOutputDelegate::EventHandler {
+ MOCK_METHOD1(OnStreamStateChanged, void(bool playing));
+ MOCK_METHOD3(OnStreamCreated,
+ void(int stream_id,
+ base::SharedMemory* shared_memory,
+ base::CancelableSyncSocket* socket));
+ MOCK_METHOD1(OnStreamError, void(int stream_id));
+};
+
+} // namespace
+
+class AudioOutputDelegateTest : public testing::Test {
+ public:
+ AudioOutputDelegateTest() {
+ base::CommandLine::ForCurrentProcess()->AppendSwitch(
+ switches::kUseFakeDeviceForMediaStream);
+
+ thread_bundle_ = base::MakeUnique<TestBrowserThreadBundle>(
+ TestBrowserThreadBundle::Options::REAL_IO_THREAD);
o1ka 2016/11/22 21:48:16 Add a comment on why this threading setup is chose
Max Morin 2016/11/25 15:32:35 Done.
+ audio_thread_ = base::MakeUnique<base::Thread>("AudioThread");
+
+// Audio manager creation stolen from content/browser/browser_main_loop.cc.
+#if defined(OS_WIN)
+ audio_thread_->init_com_with_mta(true);
+#endif // defined(OS_WIN)
+ CHECK(audio_thread_->Start());
+
+#if defined(OS_MACOSX)
+ scoped_refptr<base::SingleThreadTaskRunner> audio_task_runner =
+ base::ThreadTaskRunnerHandle::Get();
+#else
+ scoped_refptr<base::SingleThreadTaskRunner> audio_task_runner =
+ audio_thread_->task_runner();
+#endif // defined(OS_MACOSX)
+
+ audio_manager_.reset(new media::FakeAudioManager(
+ audio_task_runner, audio_thread_->task_runner(), &log_factory_));
+ media_stream_manager_ =
+ base::MakeUnique<MediaStreamManager>(audio_manager_.get());
+ }
+
+ ~AudioOutputDelegateTest() override = default;
+
+ AudioOutputDelegate::UniquePtr CreateDelegateOnIOAndSync() {
+ AudioOutputDelegate::UniquePtr delegate;
+ BrowserThread::PostTask(
+ BrowserThread::IO, FROM_HERE,
+ base::Bind(&AudioOutputDelegateTest::CreateDelegateOnIO,
+ base::Unretained(this), base::Unretained(&delegate)));
+ SyncWithAllThreads();
+ return delegate;
+ }
+
+ void CreateDelegateOnIO(AudioOutputDelegate::UniquePtr* delegate) {
+ *delegate = AudioOutputDelegate::Create(
+ &event_handler_, audio_manager_.get(),
+ log_factory_.CreateAudioLog(
+ media::AudioLogFactory::AUDIO_OUTPUT_CONTROLLER),
+ &mirroring_manager_, &media_observer_, kStreamId, kRenderFrameId,
+ kRenderProcessId, audio_manager_->GetDefaultOutputStreamParameters(),
+ kDefaultDeviceId);
+ }
+
+ protected:
+ void SyncWithAllThreads() {
+ // New tasks might be posted while we are syncing, but in every iteration at
+ // least one task will be run. 20 iterations should be enough for our code.
+ for (int i = 0; i < 20; ++i) {
+ base::RunLoop().RunUntilIdle();
+ SyncWith(BrowserThread::GetTaskRunnerForThread(BrowserThread::IO));
+ SyncWith(audio_thread_->task_runner());
+ }
+ }
+
+ // MediaStreamManager uses a DestructionObserver, so it must outlive the
+ // TestBrowserThreadBundle.
+ std::unique_ptr<MediaStreamManager> media_stream_manager_;
+ std::unique_ptr<TestBrowserThreadBundle> thread_bundle_;
+ std::unique_ptr<base::Thread> audio_thread_;
+ media::ScopedAudioManagerPtr audio_manager_;
+ NiceMock<MockAudioMirroringManager> mirroring_manager_;
+ NiceMock<MockEventHandler> event_handler_;
+ NiceMock<MockObserver> media_observer_;
+ media::FakeAudioLogFactory log_factory_;
+
+ private:
+ void SyncWith(scoped_refptr<base::SingleThreadTaskRunner> task_runner) {
+ CHECK(task_runner);
+ CHECK(!task_runner->BelongsToCurrentThread());
+ base::WaitableEvent e = {base::WaitableEvent::ResetPolicy::MANUAL,
+ base::WaitableEvent::InitialState::NOT_SIGNALED};
+ task_runner->PostTask(FROM_HERE, base::Bind(&base::WaitableEvent::Signal,
+ base::Unretained(&e)));
+ e.Wait();
+ }
+
+ DISALLOW_COPY_AND_ASSIGN(AudioOutputDelegateTest);
+};
+
+TEST_F(AudioOutputDelegateTest, CreateAndDelete) {
+ EXPECT_CALL(media_observer_,
+ OnCreatingAudioStream(kRenderProcessId, kRenderFrameId))
+ .Times(1);
+ EXPECT_CALL(event_handler_, OnStreamCreated(kStreamId, NotNull(), NotNull()));
+ EXPECT_CALL(mirroring_manager_,
+ AddDiverter(kRenderProcessId, kRenderFrameId, NotNull()))
+ .Times(1);
+
+ AudioOutputDelegate::UniquePtr delegate = CreateDelegateOnIOAndSync();
+
+ SyncWithAllThreads();
+ EXPECT_CALL(mirroring_manager_, RemoveDiverter(NotNull())).Times(1);
+
+ // Delete delegate on IO thread:
+ BrowserThread::PostTask(
+ BrowserThread::IO, FROM_HERE,
+ base::Bind([](AudioOutputDelegate::UniquePtr delegate) {},
+ base::Passed(std::move(delegate))));
+ SyncWithAllThreads();
+}
+
+TEST_F(AudioOutputDelegateTest, Play_CallsHandler) {
+ {
+ InSequence s;
+ EXPECT_CALL(event_handler_, OnStreamStateChanged(true)).Times(1);
+ EXPECT_CALL(event_handler_, OnStreamStateChanged(false)).Times(1);
+ }
+
+ AudioOutputDelegate::UniquePtr delegate = CreateDelegateOnIOAndSync();
+ BrowserThread::PostTask(BrowserThread::IO, FROM_HERE,
+ base::Bind(&AudioOutputDelegate::OnPlayStream,
+ base::Unretained(delegate.get())));
+ SyncWithAllThreads();
+ BrowserThread::PostTask(
o1ka 2016/11/22 21:48:16 I still think it does not make sense to post each
Max Morin 2016/11/25 15:32:35 I fixed this now.
+ BrowserThread::IO, FROM_HERE,
+ base::Bind([](AudioOutputDelegate::UniquePtr delegate) {},
+ base::Passed(std::move(delegate))));
+ SyncWithAllThreads();
+}
+
+TEST_F(AudioOutputDelegateTest, PlayAndDestroy_DoesNotCallHandler) {
+ EXPECT_CALL(event_handler_, OnStreamStateChanged(_)).Times(0);
+
+ AudioOutputDelegate::UniquePtr delegate = CreateDelegateOnIOAndSync();
+ BrowserThread::PostTask(BrowserThread::IO, FROM_HERE,
+ base::Bind(
+ [](AudioOutputDelegate::UniquePtr delegate) {
+ delegate->OnPlayStream();
+ delegate.reset();
+ },
+ base::Passed(std::move(delegate))));
+ SyncWithAllThreads();
+}
+
+TEST_F(AudioOutputDelegateTest, Error_CallsHandler) {
+ EXPECT_CALL(event_handler_, OnStreamError(kStreamId)).Times(1);
+
+ AudioOutputDelegate::UniquePtr delegate = CreateDelegateOnIOAndSync();
+ BrowserThread::PostTask(BrowserThread::IO, FROM_HERE,
+ base::Bind(&media::AudioOutputController::OnError,
+ delegate->controller(), nullptr));
+ SyncWithAllThreads();
+ BrowserThread::PostTask(
+ BrowserThread::IO, FROM_HERE,
+ base::Bind([](AudioOutputDelegate::UniquePtr delegate) {},
+ base::Passed(std::move(delegate))));
+ SyncWithAllThreads();
+}
+
+TEST_F(AudioOutputDelegateTest, ErrorAndDestroy_DoesNotCallHandler) {
+ EXPECT_CALL(event_handler_, OnStreamError(kStreamId)).Times(0);
+
+ AudioOutputDelegate::UniquePtr delegate = CreateDelegateOnIOAndSync();
+ BrowserThread::PostTask(BrowserThread::IO, FROM_HERE,
+ base::Bind(
+ [](AudioOutputDelegate::UniquePtr delegate) {
+ delegate->controller()->OnError(nullptr);
+ delegate.reset();
+ },
+ base::Passed(std::move(delegate))));
+ SyncWithAllThreads();
+}
+
+TEST_F(AudioOutputDelegateTest, PlayPause_CallsHandlerCorrectNumberOfTimes) {
+ {
+ InSequence s;
+ EXPECT_CALL(event_handler_, OnStreamStateChanged(true)).Times(1);
+ EXPECT_CALL(event_handler_, OnStreamStateChanged(false)).Times(1);
+ }
+
+ AudioOutputDelegate::UniquePtr delegate = CreateDelegateOnIOAndSync();
+ BrowserThread::PostTask(BrowserThread::IO, FROM_HERE,
+ base::Bind(&AudioOutputDelegate::OnPlayStream,
+ base::Unretained(delegate.get())));
+ BrowserThread::PostTask(BrowserThread::IO, FROM_HERE,
+ base::Bind(&AudioOutputDelegate::OnPauseStream,
+ base::Unretained(delegate.get())));
+ SyncWithAllThreads();
+ BrowserThread::PostTask(
+ BrowserThread::IO, FROM_HERE,
+ base::Bind([](AudioOutputDelegate::UniquePtr delegate) {},
+ base::Passed(std::move(delegate))));
+ SyncWithAllThreads();
+}
+
+TEST_F(AudioOutputDelegateTest,
+ PlayPausePlay_CallsHandlerCorrectNumberOfTimes) {
+ {
+ InSequence s;
+ EXPECT_CALL(event_handler_, OnStreamStateChanged(true)).Times(1);
+ EXPECT_CALL(event_handler_, OnStreamStateChanged(false)).Times(1);
+ EXPECT_CALL(event_handler_, OnStreamStateChanged(true)).Times(1);
+ EXPECT_CALL(event_handler_, OnStreamStateChanged(false)).Times(1);
+ }
+
+ AudioOutputDelegate::UniquePtr delegate = CreateDelegateOnIOAndSync();
+ BrowserThread::PostTask(BrowserThread::IO, FROM_HERE,
+ base::Bind(&AudioOutputDelegate::OnPlayStream,
+ base::Unretained(delegate.get())));
+ BrowserThread::PostTask(BrowserThread::IO, FROM_HERE,
+ base::Bind(&AudioOutputDelegate::OnPauseStream,
+ base::Unretained(delegate.get())));
+ BrowserThread::PostTask(BrowserThread::IO, FROM_HERE,
+ base::Bind(&AudioOutputDelegate::OnPlayStream,
+ base::Unretained(delegate.get())));
+ SyncWithAllThreads();
+ BrowserThread::PostTask(
+ BrowserThread::IO, FROM_HERE,
+ base::Bind([](AudioOutputDelegate::UniquePtr delegate) {},
+ base::Passed(std::move(delegate))));
+ SyncWithAllThreads();
+}
+
+TEST_F(AudioOutputDelegateTest, PlayPlay_CallsHandlerCorrectNumberOfTimes) {
+ {
+ InSequence s;
+ EXPECT_CALL(event_handler_, OnStreamStateChanged(true)).Times(1);
+ EXPECT_CALL(event_handler_, OnStreamStateChanged(false)).Times(1);
+ }
+
+ AudioOutputDelegate::UniquePtr delegate = CreateDelegateOnIOAndSync();
+ BrowserThread::PostTask(BrowserThread::IO, FROM_HERE,
+ base::Bind(&AudioOutputDelegate::OnPlayStream,
+ base::Unretained(delegate.get())));
+ BrowserThread::PostTask(BrowserThread::IO, FROM_HERE,
+ base::Bind(&AudioOutputDelegate::OnPlayStream,
+ base::Unretained(delegate.get())));
+ SyncWithAllThreads();
+ BrowserThread::PostTask(
+ BrowserThread::IO, FROM_HERE,
+ base::Bind([](AudioOutputDelegate::UniquePtr delegate) {},
+ base::Passed(std::move(delegate))));
+ SyncWithAllThreads();
+}
+
+TEST_F(AudioOutputDelegateTest,
+ PauseAfterCreation_DoesNotCallOnStreamStateChanged) {
+ EXPECT_CALL(event_handler_, OnStreamStateChanged(_)).Times(0);
+
+ AudioOutputDelegate::UniquePtr delegate = CreateDelegateOnIOAndSync();
+ BrowserThread::PostTask(BrowserThread::IO, FROM_HERE,
+ base::Bind(&AudioOutputDelegate::OnPauseStream,
+ base::Unretained(delegate.get())));
+ SyncWithAllThreads();
+ BrowserThread::PostTask(
+ BrowserThread::IO, FROM_HERE,
+ base::Bind([](AudioOutputDelegate::UniquePtr delegate) {},
+ base::Passed(std::move(delegate))));
+ SyncWithAllThreads();
+}
+
+TEST_F(AudioOutputDelegateTest, CreateAndDestroy_DoesNotCallHandler) {
+ EXPECT_CALL(event_handler_, OnStreamCreated(_, _, _)).Times(0);
+
+ AudioOutputDelegate::UniquePtr delegate;
+ BrowserThread::PostTask(BrowserThread::IO, FROM_HERE,
+ base::Bind(
+ [](AudioOutputDelegateTest* test) {
+ AudioOutputDelegate::UniquePtr delegate;
+ test->CreateDelegateOnIO(&delegate);
+ },
+ base::Unretained(this)));
+ SyncWithAllThreads();
+}
+
+} // namespace content

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