Reland 15721002: Hook up the device selection to the WebAudio live audio

content/browser/renderer_host/media/audio_renderer_host_unittest.cc

 // 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 "base/bind.h"
 #include "base/environment.h"
 #include "base/memory/scoped_ptr.h"
 #include "base/message_loop.h"
 #include "base/process_util.h"
 #include "base/sync_socket.h"
 #include "content/browser/browser_thread_impl.h"
+#include "content/browser/renderer_host/media/audio_input_device_manager.h"
 #include "content/browser/renderer_host/media/audio_mirroring_manager.h"
 #include "content/browser/renderer_host/media/audio_renderer_host.h"
+#include "content/browser/renderer_host/media/media_stream_manager.h"
 #include "content/browser/renderer_host/media/mock_media_observer.h"
 #include "content/common/media/audio_messages.h"
+#include "content/common/media/media_stream_options.h"
 #include "ipc/ipc_message_utils.h"
 #include "media/audio/audio_manager.h"
+#include "media/audio/audio_manager_base.h"
 #include "media/audio/fake_audio_output_stream.h"
 #include "net/url_request/url_request_context.h"
 #include "testing/gmock/include/gmock/gmock.h"
 #include "testing/gtest/include/gtest/gtest.h"
 
 using ::testing::_;
 using ::testing::AtLeast;
 using ::testing::DoAll;
 using ::testing::InSequence;
 using ::testing::NotNull;
@@ skipping 21 matching lines @@
 
  private:
   DISALLOW_COPY_AND_ASSIGN(MockAudioMirroringManager);
 };
 
 class MockAudioRendererHost : public AudioRendererHost {
  public:
   explicit MockAudioRendererHost(
       media::AudioManager* audio_manager,
       AudioMirroringManager* mirroring_manager,
-      MediaInternals* media_internals)
+      MediaInternals* media_internals,
+      MediaStreamManager* media_stream_manager)
       : AudioRendererHost(kRenderProcessId,
                           audio_manager,
                           mirroring_manager,
-                          media_internals),
+                          media_internals,
+                          media_stream_manager),
         shared_memory_length_(0) {
   }
 
   // A list of mock methods.
   MOCK_METHOD2(OnStreamCreated,
                void(int stream_id, int length));
   MOCK_METHOD1(OnStreamPlaying, void(int stream_id));
   MOCK_METHOD1(OnStreamPaused, void(int stream_id));
   MOCK_METHOD1(OnStreamError, void(int stream_id));
 
@@ skipping 89 matching lines @@
   virtual void SetUp() {
     // Create a message loop so AudioRendererHost can use it.
     message_loop_.reset(new base::MessageLoop(base::MessageLoop::TYPE_IO));
 
     // Claim to be on both the UI and IO threads to pass all the DCHECKS.
     io_thread_.reset(new BrowserThreadImpl(BrowserThread::IO,
                                            message_loop_.get()));
     ui_thread_.reset(new BrowserThreadImpl(BrowserThread::UI,
                                            message_loop_.get()));
     audio_manager_.reset(media::AudioManager::Create());
+    media_stream_manager_.reset(new MediaStreamManager(audio_manager_.get()));
+    media_stream_manager_->UseFakeDevice();
     observer_.reset(new MockMediaInternals());
     host_ = new MockAudioRendererHost(
-        audio_manager_.get(), &mirroring_manager_, observer_.get());
+        audio_manager_.get(), &mirroring_manager_, observer_.get(),
+        media_stream_manager_.get());
 
     // Simulate IPC channel connected.
     host_->OnChannelConnected(base::GetCurrentProcId());
   }
 
   virtual void TearDown() {
     // Simulate closing the IPC channel.
     host_->OnChannelClosing();
 
     // Release the reference to the mock object.  The object will be destructed
     // on message_loop_.
     host_ = NULL;
 
     // We need to continue running message_loop_ to complete all destructions.
     SyncWithAudioThread();
-
     audio_manager_.reset();
 
     io_thread_.reset();
     ui_thread_.reset();
+
+    // Delete the IO message loop.  This will cause the MediaStreamManager to be
+    // notified so it will stop its device thread and device managers.
+    message_loop_.reset();
   }
 
   void Create() {
     EXPECT_CALL(*observer_,
                 OnSetAudioStreamStatus(_, kStreamId, "created"));
     EXPECT_CALL(*host_.get(), OnStreamCreated(kStreamId, _))
         .WillOnce(QuitMessageLoop(message_loop_.get()));
     EXPECT_CALL(mirroring_manager_,
                 AddDiverter(kRenderProcessId, kRenderViewId, NotNull()))
         .RetiresOnSaturation();
 
     // Send a create stream message to the audio output stream and wait until
     // we receive the created message.
     host_->OnCreateStream(kStreamId,
                           kRenderViewId,
+                          0,
                           media::AudioParameters(
                               media::AudioParameters::AUDIO_FAKE,
                               media::CHANNEL_LAYOUT_STEREO,
                               media::AudioParameters::kAudioCDSampleRate, 16,
                               media::AudioParameters::kAudioCDSampleRate / 10));
     message_loop_->Run();
+
+    // At some point in the future, a corresponding RemoveDiverter() call must
+    // be made.
+    EXPECT_CALL(mirroring_manager_,
+                RemoveDiverter(kRenderProcessId, kRenderViewId, NotNull()))
+        .RetiresOnSaturation();
+
+    // All created streams should ultimately be closed.
+    EXPECT_CALL(*observer_,
+                OnSetAudioStreamStatus(_, kStreamId, "closed"));
+
+    // Expect the audio stream will be deleted at some later point.
+    EXPECT_CALL(*observer_, OnDeleteAudioStream(_, kStreamId));
+  }
+
+  void CreateUnifiedStream() {
+    EXPECT_CALL(*observer_,
+                OnSetAudioStreamStatus(_, kStreamId, "created"));
+    EXPECT_CALL(*host_, OnStreamCreated(kStreamId, _))
+        .WillOnce(QuitMessageLoop(message_loop_.get()));
+    EXPECT_CALL(mirroring_manager_,
+                AddDiverter(kRenderProcessId, kRenderViewId, NotNull()))
+        .RetiresOnSaturation();
+    // Send a create stream message to the audio output stream and wait until
+    // we receive the created message.
+    // Use AudioInputDeviceManager::kFakeOpenSessionId as the session id to
+    // pass the permission check.
+    host_->OnCreateStream(kStreamId,
+                          kRenderViewId,
+                          AudioInputDeviceManager::kFakeOpenSessionId,
+                          media::AudioParameters(
+                              media::AudioParameters::AUDIO_FAKE,
+                              media::CHANNEL_LAYOUT_STEREO,
+                              2,
+                              media::AudioParameters::kAudioCDSampleRate, 16,
+                              media::AudioParameters::kAudioCDSampleRate / 10));
+    message_loop_->Run();
 
     // At some point in the future, a corresponding RemoveDiverter() call must
     // be made.
     EXPECT_CALL(mirroring_manager_,
                 RemoveDiverter(kRenderProcessId, kRenderViewId, NotNull()))
         .RetiresOnSaturation();
 
     // All created streams should ultimately be closed.
     EXPECT_CALL(*observer_,
                 OnSetAudioStreamStatus(_, kStreamId, "closed"));
@@ skipping 81 matching lines @@
   }
 
  private:
   scoped_ptr<MockMediaInternals> observer_;
   MockAudioMirroringManager mirroring_manager_;
   scoped_refptr<MockAudioRendererHost> host_;
   scoped_ptr<base::MessageLoop> message_loop_;
   scoped_ptr<BrowserThreadImpl> io_thread_;
   scoped_ptr<BrowserThreadImpl> ui_thread_;
   scoped_ptr<media::AudioManager> audio_manager_;
+  scoped_ptr<MediaStreamManager> media_stream_manager_;
 
   DISALLOW_COPY_AND_ASSIGN(AudioRendererHostTest);
 };
 
 TEST_F(AudioRendererHostTest, CreateAndClose) {
   Create();
   Close();
 }
 
 // Simulate the case where a stream is not properly closed.
@@ skipping 44 matching lines @@
 // Simulate the case when an error is generated on the browser process,
 // the audio device is closed but the render process try to close the
 // audio stream again.
 TEST_F(AudioRendererHostTest, SimulateErrorAndClose) {
   Create();
   Play();
   SimulateError();
   Close();
 }
 
+TEST_F(AudioRendererHostTest, CreateUnifiedStreamAndClose) {
+  CreateUnifiedStream();
+  Close();
+}
+
 // TODO(hclam): Add tests for data conversation in low latency mode.
 
 }  // namespace content