1 // Copyright (c) 2012 The Chromium Authors. All rights reserved.
2 // Use of this source code is governed by a BSD-style license that can be
3 // found in the LICENSE file.
6 #include "base/command_line.h"
7 #include "base/memory/scoped_ptr.h"
8 #include "base/run_loop.h"
9 #include "base/sync_socket.h"
10 #include "content/browser/media/capture/audio_mirroring_manager.h"
11 #include "content/browser/media/media_internals.h"
12 #include "content/browser/renderer_host/media/audio_input_device_manager.h"
13 #include "content/browser/renderer_host/media/audio_renderer_host.h"
14 #include "content/browser/renderer_host/media/media_stream_manager.h"
15 #include "content/common/media/audio_messages.h"
16 #include "content/public/common/content_switches.h"
17 #include "content/public/test/test_browser_thread_bundle.h"
18 #include "ipc/ipc_message_utils.h"
19 #include "media/audio/audio_manager.h"
20 #include "media/base/bind_to_current_loop.h"
21 #include "media/base/media_switches.h"
22 #include "testing/gmock/include/gmock/gmock.h"
23 #include "testing/gtest/include/gtest/gtest.h"
26 using ::testing::Assign
;
27 using ::testing::DoAll
;
28 using ::testing::NotNull
;
31 const int kRenderProcessId
= 1;
32 const int kRenderFrameId
= 5;
33 const int kStreamId
= 50;
34 const int kBadStreamId
= 99;
35 const int kSwitchOutputDeviceRequestId
= 1;
36 const GURL
kSecurityOrigin("http://localhost");
37 const std::string kDefaultDeviceID
= "";
38 const std::string kBadDeviceID
= "bad-device-id";
43 class MockAudioMirroringManager
: public AudioMirroringManager
{
45 MockAudioMirroringManager() {}
46 virtual ~MockAudioMirroringManager() {}
48 MOCK_METHOD3(AddDiverter
,
49 void(int render_process_id
,
52 MOCK_METHOD1(RemoveDiverter
, void(Diverter
* diverter
));
55 DISALLOW_COPY_AND_ASSIGN(MockAudioMirroringManager
);
58 class MockAudioRendererHost
: public AudioRendererHost
{
60 MockAudioRendererHost(media::AudioManager
* audio_manager
,
61 AudioMirroringManager
* mirroring_manager
,
62 MediaInternals
* media_internals
,
63 MediaStreamManager
* media_stream_manager
,
64 const ResourceContext::SaltCallback
& salt_callback
)
65 : AudioRendererHost(kRenderProcessId
,
71 shared_memory_length_(0) {}
73 // A list of mock methods.
74 MOCK_METHOD2(OnStreamCreated
, void(int stream_id
, int length
));
75 MOCK_METHOD1(OnStreamPlaying
, void(int stream_id
));
76 MOCK_METHOD1(OnStreamPaused
, void(int stream_id
));
77 MOCK_METHOD1(OnStreamError
, void(int stream_id
));
78 MOCK_METHOD3(OnOutputDeviceSwitched
,
81 media::SwitchOutputDeviceResult result
));
84 virtual ~MockAudioRendererHost() {
85 // Make sure all audio streams have been deleted.
86 EXPECT_TRUE(audio_entries_
.empty());
89 // This method is used to dispatch IPC messages to the renderer. We intercept
90 // these messages here and dispatch to our mock methods to verify the
91 // conversation between this object and the renderer.
92 virtual bool Send(IPC::Message
* message
) {
95 // In this method we dispatch the messages to the according handlers as if
96 // we are the renderer.
98 IPC_BEGIN_MESSAGE_MAP(MockAudioRendererHost
, *message
)
99 IPC_MESSAGE_HANDLER(AudioMsg_NotifyStreamCreated
,
100 OnNotifyStreamCreated
)
101 IPC_MESSAGE_HANDLER(AudioMsg_NotifyStreamStateChanged
,
102 OnNotifyStreamStateChanged
)
103 IPC_MESSAGE_HANDLER(AudioMsg_NotifyOutputDeviceSwitched
,
104 OnNotifyOutputDeviceSwitched
)
105 IPC_MESSAGE_UNHANDLED(handled
= false)
106 IPC_END_MESSAGE_MAP()
107 EXPECT_TRUE(handled
);
113 void OnNotifyStreamCreated(
114 int stream_id
, base::SharedMemoryHandle handle
,
115 base::SyncSocket::TransitDescriptor socket_descriptor
, uint32 length
) {
116 // Maps the shared memory.
117 shared_memory_
.reset(new base::SharedMemory(handle
, false));
118 CHECK(shared_memory_
->Map(length
));
119 CHECK(shared_memory_
->memory());
120 shared_memory_length_
= length
;
122 // Create the SyncSocket using the handle.
123 base::SyncSocket::Handle sync_socket_handle
=
124 base::SyncSocket::UnwrapHandle(socket_descriptor
);
125 sync_socket_
.reset(new base::SyncSocket(sync_socket_handle
));
127 // And then delegate the call to the mock method.
128 OnStreamCreated(stream_id
, length
);
131 void OnNotifyStreamStateChanged(int stream_id
,
132 media::AudioOutputIPCDelegateState state
) {
134 case media::AUDIO_OUTPUT_IPC_DELEGATE_STATE_PLAYING
:
135 OnStreamPlaying(stream_id
);
137 case media::AUDIO_OUTPUT_IPC_DELEGATE_STATE_PAUSED
:
138 OnStreamPaused(stream_id
);
140 case media::AUDIO_OUTPUT_IPC_DELEGATE_STATE_ERROR
:
141 OnStreamError(stream_id
);
144 FAIL() << "Unknown stream state";
149 void OnNotifyOutputDeviceSwitched(int stream_id
,
151 media::SwitchOutputDeviceResult result
) {
153 case media::SWITCH_OUTPUT_DEVICE_RESULT_SUCCESS
:
154 case media::SWITCH_OUTPUT_DEVICE_RESULT_ERROR_NOT_FOUND
:
155 case media::SWITCH_OUTPUT_DEVICE_RESULT_ERROR_NOT_AUTHORIZED
:
156 case media::SWITCH_OUTPUT_DEVICE_RESULT_ERROR_OBSOLETE
:
157 case media::SWITCH_OUTPUT_DEVICE_RESULT_ERROR_NOT_SUPPORTED
:
158 OnOutputDeviceSwitched(stream_id
, request_id
, result
);
161 FAIL() << "Unknown SwitchOutputDevice result";
166 scoped_ptr
<base::SharedMemory
> shared_memory_
;
167 scoped_ptr
<base::SyncSocket
> sync_socket_
;
168 uint32 shared_memory_length_
;
170 DISALLOW_COPY_AND_ASSIGN(MockAudioRendererHost
);
174 std::string
ReturnMockSalt() {
175 return std::string();
178 ResourceContext::SaltCallback
GetMockSaltCallback() {
179 return base::Bind(&ReturnMockSalt
);
183 class AudioRendererHostTest
: public testing::Test
{
185 AudioRendererHostTest() {
186 audio_manager_
.reset(media::AudioManager::CreateForTesting());
187 base::CommandLine::ForCurrentProcess()->AppendSwitch(
188 switches::kUseFakeDeviceForMediaStream
);
189 media_stream_manager_
.reset(new MediaStreamManager(audio_manager_
.get()));
190 host_
= new MockAudioRendererHost(audio_manager_
.get(), &mirroring_manager_
,
191 MediaInternals::GetInstance(),
192 media_stream_manager_
.get(),
193 GetMockSaltCallback());
195 // Simulate IPC channel connected.
196 host_
->set_peer_process_for_testing(base::Process::Current());
199 ~AudioRendererHostTest() override
{
200 // Simulate closing the IPC channel and give the audio thread time to close
201 // the underlying streams.
202 host_
->OnChannelClosing();
203 SyncWithAudioThread();
205 // Release the reference to the mock object. The object will be destructed
211 void Create(bool unified_stream
) {
212 EXPECT_CALL(*host_
.get(), OnStreamCreated(kStreamId
, _
));
214 EXPECT_CALL(mirroring_manager_
,
215 AddDiverter(kRenderProcessId
, kRenderFrameId
, NotNull()))
216 .RetiresOnSaturation();
218 // Send a create stream message to the audio output stream and wait until
219 // we receive the created message.
221 media::AudioParameters params
;
222 if (unified_stream
) {
223 // Use AudioInputDeviceManager::kFakeOpenSessionId as the session id to
224 // pass the permission check.
225 session_id
= AudioInputDeviceManager::kFakeOpenSessionId
;
226 params
= media::AudioParameters(
227 media::AudioParameters::AUDIO_FAKE
,
228 media::CHANNEL_LAYOUT_STEREO
,
229 media::AudioParameters::kAudioCDSampleRate
, 16,
230 media::AudioParameters::kAudioCDSampleRate
/ 10,
231 media::AudioParameters::NO_EFFECTS
);
234 params
= media::AudioParameters(
235 media::AudioParameters::AUDIO_FAKE
,
236 media::CHANNEL_LAYOUT_STEREO
,
237 media::AudioParameters::kAudioCDSampleRate
, 16,
238 media::AudioParameters::kAudioCDSampleRate
/ 10);
240 host_
->OnCreateStream(kStreamId
, kRenderFrameId
, session_id
, params
);
242 // At some point in the future, a corresponding RemoveDiverter() call must
244 EXPECT_CALL(mirroring_manager_
, RemoveDiverter(NotNull()))
245 .RetiresOnSaturation();
246 SyncWithAudioThread();
250 // Send a message to AudioRendererHost to tell it we want to close the
252 host_
->OnCloseStream(kStreamId
);
253 SyncWithAudioThread();
257 EXPECT_CALL(*host_
.get(), OnStreamPlaying(kStreamId
));
258 host_
->OnPlayStream(kStreamId
);
259 SyncWithAudioThread();
263 EXPECT_CALL(*host_
.get(), OnStreamPaused(kStreamId
));
264 host_
->OnPauseStream(kStreamId
);
265 SyncWithAudioThread();
268 void SetVolume(double volume
) {
269 host_
->OnSetVolume(kStreamId
, volume
);
270 SyncWithAudioThread();
273 void SwitchOutputDevice(int stream_id
,
274 std::string device_id
,
275 media::SwitchOutputDeviceResult expected_result
) {
276 EXPECT_CALL(*host_
.get(),
277 OnOutputDeviceSwitched(stream_id
, kSwitchOutputDeviceRequestId
,
279 host_
->OnSwitchOutputDevice(stream_id
, kRenderFrameId
, device_id
,
280 kSecurityOrigin
, kSwitchOutputDeviceRequestId
);
281 SyncWithAudioThread();
284 void SimulateError() {
285 EXPECT_EQ(1u, host_
->audio_entries_
.size())
286 << "Calls Create() before calling this method";
288 // Expect an error signal sent through IPC.
289 EXPECT_CALL(*host_
.get(), OnStreamError(kStreamId
));
291 // Simulate an error sent from the audio device.
292 host_
->ReportErrorAndClose(kStreamId
);
293 SyncWithAudioThread();
295 // Expect the audio stream record is removed.
296 EXPECT_EQ(0u, host_
->audio_entries_
.size());
299 // SyncWithAudioThread() waits until all pending tasks on the audio thread
300 // are executed while also processing pending task in message_loop_ on the
301 // current thread. It is used to synchronize with the audio thread when we are
302 // closing an audio stream.
303 void SyncWithAudioThread() {
304 base::RunLoop().RunUntilIdle();
306 base::RunLoop run_loop
;
307 audio_manager_
->GetTaskRunner()->PostTask(
308 FROM_HERE
, media::BindToCurrentLoop(run_loop
.QuitClosure()));
313 // MediaStreamManager uses a DestructionObserver, so it must outlive the
314 // TestBrowserThreadBundle.
315 scoped_ptr
<MediaStreamManager
> media_stream_manager_
;
316 TestBrowserThreadBundle thread_bundle_
;
317 scoped_ptr
<media::AudioManager
> audio_manager_
;
318 MockAudioMirroringManager mirroring_manager_
;
319 scoped_refptr
<MockAudioRendererHost
> host_
;
321 DISALLOW_COPY_AND_ASSIGN(AudioRendererHostTest
);
324 TEST_F(AudioRendererHostTest
, CreateAndClose
) {
329 // Simulate the case where a stream is not properly closed.
330 TEST_F(AudioRendererHostTest
, CreateAndShutdown
) {
334 TEST_F(AudioRendererHostTest
, CreatePlayAndClose
) {
340 TEST_F(AudioRendererHostTest
, CreatePlayPauseAndClose
) {
347 TEST_F(AudioRendererHostTest
, SetVolume
) {
355 TEST_F(AudioRendererHostTest
, SwitchOutputDevice
) {
357 SwitchOutputDevice(kStreamId
, kDefaultDeviceID
,
358 media::SWITCH_OUTPUT_DEVICE_RESULT_SUCCESS
);
362 TEST_F(AudioRendererHostTest
, SwitchOutputDeviceNotAuthorized
) {
364 SwitchOutputDevice(kStreamId
, kBadDeviceID
,
365 media::SWITCH_OUTPUT_DEVICE_RESULT_ERROR_NOT_AUTHORIZED
);
369 TEST_F(AudioRendererHostTest
, SwitchOutputDeviceNoStream
) {
371 SwitchOutputDevice(kBadStreamId
, kDefaultDeviceID
,
372 media::SWITCH_OUTPUT_DEVICE_RESULT_ERROR_OBSOLETE
);
376 // Simulate the case where a stream is not properly closed.
377 TEST_F(AudioRendererHostTest
, CreatePlayAndShutdown
) {
382 // Simulate the case where a stream is not properly closed.
383 TEST_F(AudioRendererHostTest
, CreatePlayPauseAndShutdown
) {
389 TEST_F(AudioRendererHostTest
, SimulateError
) {
395 // Simulate the case when an error is generated on the browser process,
396 // the audio device is closed but the render process try to close the
397 // audio stream again.
398 TEST_F(AudioRendererHostTest
, SimulateErrorAndClose
) {
405 TEST_F(AudioRendererHostTest
, CreateUnifiedStreamAndClose
) {
410 // TODO(hclam): Add tests for data conversation in low latency mode.
412 } // namespace content