Allow AudioOutputDevice objects to be initialized with a specific hardware output device and store …

media/audio/audio_output_device_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 <vector>
 
 #include "base/at_exit.h"
 #include "base/bind_helpers.h"
 #include "base/callback.h"
 #include "base/memory/shared_memory.h"
@@ skipping 17 matching lines @@
 using testing::Invoke;
 using testing::Return;
 using testing::WithArgs;
 using testing::StrictMock;
 using testing::Values;
 
 namespace media {
 
 namespace {
 
+const std::string kNonDefaultDeviceId("fake-device-id");
+
 class MockRenderCallback : public AudioRendererSink::RenderCallback {
  public:
   MockRenderCallback() {}
   virtual ~MockRenderCallback() {}
 
   MOCK_METHOD2(Render, int(AudioBus* dest, int audio_delay_milliseconds));
   MOCK_METHOD0(OnRenderError, void());
 };
 
 class MockAudioOutputIPC : public AudioOutputIPC {
  public:
   MockAudioOutputIPC() {}
   virtual ~MockAudioOutputIPC() {}
 
-  MOCK_METHOD3(CreateStream, void(AudioOutputIPCDelegate* delegate,
-                                  const AudioParameters& params,
-                                  int session_id));
+  MOCK_METHOD4(RequestDeviceAuthorization,
+               void(AudioOutputIPCDelegate* delegate,
+                    int session_id,
+                    const std::string& device_id,
+                    const GURL& security_origin));
+  MOCK_METHOD2(CreateStream,
+               void(AudioOutputIPCDelegate* delegate,
+                    const AudioParameters& params));
   MOCK_METHOD0(PlayStream, void());
   MOCK_METHOD0(PauseStream, void());
   MOCK_METHOD0(CloseStream, void());
   MOCK_METHOD1(SetVolume, void(double volume));
-  MOCK_METHOD3(SwitchOutputDevice,
-               void(const std::string& device_id,
-                    const GURL& security_origin,
-                    int request_id));
+  MOCK_METHOD2(SwitchOutputDevice,
+               void(const std::string& device_id, const GURL& security_origin));
 };
 
 class MockSwitchOutputDeviceCallback {
  public:
   MOCK_METHOD1(Callback, void(media::SwitchOutputDeviceResult result));
 };
 
 ACTION_P2(SendPendingBytes, socket, pending_bytes) {
   socket->Send(&pending_bytes, sizeof(pending_bytes));
 }
 
 // Used to terminate a loop from a different thread than the loop belongs to.
 // |task_runner| should be a SingleThreadTaskRunner.
 ACTION_P(QuitLoop, task_runner) {
   task_runner->PostTask(FROM_HERE, base::MessageLoop::QuitClosure());
 }
 
 }  // namespace.
 
 class AudioOutputDeviceTest
     : public testing::Test,
       public testing::WithParamInterface<bool> {
  public:
   AudioOutputDeviceTest();
   ~AudioOutputDeviceTest();
 
+  void ReceiveAuthorization();
   void StartAudioDevice();
   void CreateStream();
   void ExpectRenderCallback();
   void WaitUntilRenderCallback();
   void StopAudioDevice();
   void SwitchOutputDevice();
+  void SetDevice(const std::string& device_id);
 
  protected:
   // Used to clean up TLS pointers that the test(s) will initialize.
   // Must remain the first member of this class.
   base::ShadowingAtExitManager at_exit_manager_;
   base::MessageLoopForIO io_loop_;
   AudioParameters default_audio_parameters_;
   StrictMock<MockRenderCallback> callback_;
   MockAudioOutputIPC* audio_output_ipc_;  // owned by audio_device_
   scoped_refptr<AudioOutputDevice> audio_device_;
@@ skipping 11 matching lines @@
 };
 
 int AudioOutputDeviceTest::CalculateMemorySize() {
   // Calculate output memory size.
   return AudioBus::CalculateMemorySize(default_audio_parameters_);
 }
 
 AudioOutputDeviceTest::AudioOutputDeviceTest() {
   default_audio_parameters_.Reset(AudioParameters::AUDIO_PCM_LINEAR,
                                   CHANNEL_LAYOUT_STEREO, 48000, 16, 1024);
-
-  audio_output_ipc_ = new MockAudioOutputIPC();
-  audio_device_ = new AudioOutputDevice(
-      scoped_ptr<AudioOutputIPC>(audio_output_ipc_),
-      io_loop_.task_runner());
-
-  audio_device_->Initialize(default_audio_parameters_,
-                            &callback_);
-
-  io_loop_.RunUntilIdle();
+  SetDevice(std::string());  // Use default device
 }
 
 AudioOutputDeviceTest::~AudioOutputDeviceTest() {
   audio_device_ = NULL;
 }
 
+void AudioOutputDeviceTest::SetDevice(const std::string& device_id) {
+  audio_output_ipc_ = new MockAudioOutputIPC();
+  audio_device_ =
+      new AudioOutputDevice(scoped_ptr<AudioOutputIPC>(audio_output_ipc_),
+                            io_loop_.task_runner(), 0, device_id, GURL());
+  audio_device_->RequestDeviceAuthorization();
+  EXPECT_CALL(
+      *audio_output_ipc_,
+      RequestDeviceAuthorization(audio_device_.get(), 0, device_id, GURL()));
+  io_loop_.RunUntilIdle();
+
+  // Simulate response from browser
+  ReceiveAuthorization();
+
+  audio_device_->Initialize(default_audio_parameters_,
+                            &callback_);
+}
+
+void AudioOutputDeviceTest::ReceiveAuthorization() {
+  audio_device_->OnDeviceAuthorized(true, default_audio_parameters_);
+  io_loop_.RunUntilIdle();
+}
+
 void AudioOutputDeviceTest::StartAudioDevice() {
   audio_device_->Start();
-
-  EXPECT_CALL(*audio_output_ipc_, CreateStream(audio_device_.get(), _, 0));
+  EXPECT_CALL(*audio_output_ipc_, CreateStream(audio_device_.get(), _));
 
   io_loop_.RunUntilIdle();
 }
 
 void AudioOutputDeviceTest::CreateStream() {
   const int kMemorySize = CalculateMemorySize();
 
   ASSERT_TRUE(shared_memory_.CreateAndMapAnonymous(kMemorySize));
   memset(shared_memory_.memory(), 0xff, kMemorySize);
 
@@ skipping 49 matching lines @@
 
 void AudioOutputDeviceTest::StopAudioDevice() {
   audio_device_->Stop();
 
   EXPECT_CALL(*audio_output_ipc_, CloseStream());
 
   io_loop_.RunUntilIdle();
 }
 
 void AudioOutputDeviceTest::SwitchOutputDevice() {
-  const GURL security_origin("http://localhost");
-  const std::string device_id;
-  const int request_id = 1;
-
   // Switch the output device and check that the IPC message is sent
   EXPECT_CALL(*audio_output_ipc_,
-              SwitchOutputDevice(device_id, security_origin, request_id));
+              SwitchOutputDevice(kNonDefaultDeviceId, GURL()));
   audio_device_->SwitchOutputDevice(
-      device_id, security_origin,
+      kNonDefaultDeviceId, GURL(),
       base::Bind(&MockSwitchOutputDeviceCallback::Callback,
                  base::Unretained(&switch_output_device_callback_)));
   io_loop_.RunUntilIdle();
 
   // Simulate the reception of a successful response from the browser
   EXPECT_CALL(switch_output_device_callback_,
               Callback(SWITCH_OUTPUT_DEVICE_RESULT_SUCCESS));
-  audio_device_->OnOutputDeviceSwitched(request_id,
-                                        SWITCH_OUTPUT_DEVICE_RESULT_SUCCESS);
+  audio_device_->OnOutputDeviceSwitched(SWITCH_OUTPUT_DEVICE_RESULT_SUCCESS);
   io_loop_.RunUntilIdle();
 }
 
 TEST_P(AudioOutputDeviceTest, Initialize) {
   // Tests that the object can be constructed, initialized and destructed
-  // without having ever been started/stopped.
+  // without having ever been started.
+  StopAudioDevice();
 }
 
 // Calls Start() followed by an immediate Stop() and check for the basic message
 // filter messages being sent in that case.
 TEST_P(AudioOutputDeviceTest, StartStop) {
   StartAudioDevice();
   StopAudioDevice();
 }
 
 // AudioOutputDevice supports multiple start/stop sequences.
@@ skipping 27 matching lines @@
   StopAudioDevice();
 }
 
 // Switch the output device
 TEST_P(AudioOutputDeviceTest, SwitchOutputDevice) {
   StartAudioDevice();
   SwitchOutputDevice();
   StopAudioDevice();
 }
 
+// Full test with output only with nondefault device.
+TEST_P(AudioOutputDeviceTest, NonDefaultCreateStream) {
+  SetDevice(kNonDefaultDeviceId);
+  StartAudioDevice();
+  ExpectRenderCallback();
+  CreateStream();
+  WaitUntilRenderCallback();
+  StopAudioDevice();
+}
+
+// Multiple start/stop with nondefault device
+TEST_P(AudioOutputDeviceTest, NonDefaultStartStopStartStop) {
+  SetDevice(kNonDefaultDeviceId);
+  StartAudioDevice();
+  StopAudioDevice();
+
+  EXPECT_CALL(*audio_output_ipc_,
+              RequestDeviceAuthorization(audio_device_.get(), 0, _, _));
+  StartAudioDevice();
+  // Simulate reply from browser
+  ReceiveAuthorization();
+
+  StopAudioDevice();
+}
+
 INSTANTIATE_TEST_CASE_P(Render, AudioOutputDeviceTest, Values(false));
 
 }  // namespace media.