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Viewing changes to protocols/jabber/libjingle/talk/app/webrtc/mediastream_unittest.cc

  • Committer: Package Import Robot
  • Author(s): Maximiliano Curia
  • Date: 2015-02-24 11:32:57 UTC
  • mfrom: (1.1.41 vivid)
  • Revision ID: package-import@ubuntu.com-20150224113257-gnupg4v7lzz18ij0
Tags: 4:14.12.2-1
* New upstream release (14.12.2).
* Bump Standards-Version to 3.9.6, no changes needed.

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protocols/jabber/libjingle/talk/app/webrtc/mediastream_unittest.cc
 
1
/*
 
2
 * libjingle
 
3
 * Copyright 2011, Google Inc.
 
4
 *
 
5
 * Redistribution and use in source and binary forms, with or without
 
6
 * modification, are permitted provided that the following conditions are met:
 
7
 *
 
8
 *  1. Redistributions of source code must retain the above copyright notice,
 
9
 *     this list of conditions and the following disclaimer.
 
10
 *  2. Redistributions in binary form must reproduce the above copyright notice,
 
11
 *     this list of conditions and the following disclaimer in the documentation
 
12
 *     and/or other materials provided with the distribution.
 
13
 *  3. The name of the author may not be used to endorse or promote products
 
14
 *     derived from this software without specific prior written permission.
 
15
 *
 
16
 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR IMPLIED
 
17
 * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
 
18
 * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO
 
19
 * EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
 
20
 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
 
21
 * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS;
 
22
 * OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
 
23
 * WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR
 
24
 * OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
 
25
 * ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 
26
 */
 
27
 
 
28
#include <string>
 
29
 
 
30
#include "talk/app/webrtc/mediastreamproxy.h"
 
31
#include "talk/app/webrtc/mediastreamtrackproxy.h"
 
32
#include "talk/base/refcount.h"
 
33
#include "talk/base/scoped_ptr.h"
 
34
#include "talk/base/thread.h"
 
35
#include "talk/base/gunit.h"
 
36
#include "testing/base/public/gmock.h"
 
37
 
 
38
static const char kStreamLabel1[] = "local_stream_1";
 
39
static const char kVideoTrackLabel[] = "dummy_video_cam_1";
 
40
static const char kAudioTrackLabel[] = "dummy_microphone_1";
 
41
 
 
42
using talk_base::scoped_refptr;
 
43
using ::testing::Exactly;
 
44
 
 
45
namespace {
 
46
 
 
47
class ReadyStateMessageData : public talk_base::MessageData {
 
48
 public:
 
49
  ReadyStateMessageData(
 
50
      webrtc::MediaStreamInterface* stream,
 
51
      webrtc::MediaStreamInterface::ReadyState new_state)
 
52
      : stream_(stream),
 
53
        ready_state_(new_state) {
 
54
  }
 
55
 
 
56
  scoped_refptr<webrtc::MediaStreamInterface> stream_;
 
57
  webrtc::MediaStreamInterface::ReadyState ready_state_;
 
58
};
 
59
 
 
60
class TrackStateMessageData : public talk_base::MessageData {
 
61
 public:
 
62
  TrackStateMessageData(
 
63
      webrtc::MediaStreamTrackInterface* track,
 
64
      webrtc::MediaStreamTrackInterface::TrackState state)
 
65
      : track_(track),
 
66
        state_(state) {
 
67
  }
 
68
 
 
69
  scoped_refptr<webrtc::MediaStreamTrackInterface> track_;
 
70
  webrtc::MediaStreamTrackInterface::TrackState state_;
 
71
};
 
72
 
 
73
}  // namespace anonymous
 
74
 
 
75
namespace webrtc {
 
76
 
 
77
// Helper class to test Observer.
 
78
class MockObserver : public ObserverInterface {
 
79
 public:
 
80
  explicit MockObserver(talk_base::Thread* signaling_thread)
 
81
      : signaling_thread_(signaling_thread) {
 
82
  }
 
83
 
 
84
  MOCK_METHOD0(DoOnChanged, void());
 
85
  virtual void OnChanged() {
 
86
    ASSERT_TRUE(talk_base::Thread::Current() == signaling_thread_);
 
87
    DoOnChanged();
 
88
  }
 
89
 private:
 
90
  talk_base::Thread* signaling_thread_;
 
91
};
 
92
 
 
93
class MockMediaStream: public LocalMediaStreamInterface {
 
94
 public:
 
95
  MockMediaStream(const std::string& label, talk_base::Thread* signaling_thread)
 
96
      : stream_impl_(MediaStream::Create(label)),
 
97
        signaling_thread_(signaling_thread) {
 
98
  }
 
99
  virtual void RegisterObserver(webrtc::ObserverInterface* observer) {
 
100
    EXPECT_EQ(talk_base::Thread::Current(), signaling_thread_);
 
101
    stream_impl_->RegisterObserver(observer);
 
102
  }
 
103
  virtual void UnregisterObserver(webrtc::ObserverInterface* observer) {
 
104
    EXPECT_EQ(talk_base::Thread::Current(), signaling_thread_);
 
105
    stream_impl_->UnregisterObserver(observer);
 
106
  }
 
107
  virtual std::string label() const {
 
108
    EXPECT_EQ(talk_base::Thread::Current(), signaling_thread_);
 
109
    return stream_impl_->label();
 
110
  }
 
111
  virtual AudioTracks* audio_tracks() {
 
112
    EXPECT_EQ(talk_base::Thread::Current(), signaling_thread_);
 
113
    return stream_impl_->audio_tracks();
 
114
  }
 
115
  virtual VideoTracks* video_tracks() {
 
116
    EXPECT_EQ(talk_base::Thread::Current(), signaling_thread_);
 
117
    return stream_impl_->video_tracks();
 
118
  }
 
119
  virtual ReadyState ready_state() const {
 
120
    EXPECT_EQ(talk_base::Thread::Current(), signaling_thread_);
 
121
    return stream_impl_->ready_state();
 
122
  }
 
123
  virtual void set_ready_state(ReadyState state) {
 
124
    EXPECT_EQ(talk_base::Thread::Current(), signaling_thread_);
 
125
    return stream_impl_->set_ready_state(state);
 
126
  }
 
127
  virtual bool AddTrack(AudioTrackInterface* audio_track) {
 
128
    EXPECT_EQ(talk_base::Thread::Current(), signaling_thread_);
 
129
    return stream_impl_->AddTrack(audio_track);
 
130
  }
 
131
  virtual bool AddTrack(VideoTrackInterface* video_track) {
 
132
    EXPECT_EQ(talk_base::Thread::Current(), signaling_thread_);
 
133
    return stream_impl_->AddTrack(video_track);
 
134
  }
 
135
 
 
136
 private:
 
137
  scoped_refptr<MediaStream> stream_impl_;
 
138
  talk_base::Thread* signaling_thread_;
 
139
};
 
140
 
 
141
template <class T>
 
142
class MockMediaStreamTrack: public T {
 
143
 public:
 
144
  MockMediaStreamTrack(T* implementation,
 
145
                       talk_base::Thread* signaling_thread)
 
146
      : track_impl_(implementation),
 
147
        signaling_thread_(signaling_thread) {
 
148
  }
 
149
  virtual void RegisterObserver(webrtc::ObserverInterface* observer) {
 
150
    EXPECT_EQ(talk_base::Thread::Current(), signaling_thread_);
 
151
    track_impl_->RegisterObserver(observer);
 
152
  }
 
153
  virtual void UnregisterObserver(webrtc::ObserverInterface* observer) {
 
154
    EXPECT_EQ(talk_base::Thread::Current(), signaling_thread_);
 
155
    track_impl_->UnregisterObserver(observer);
 
156
  }
 
157
  virtual std::string kind() const {
 
158
    EXPECT_EQ(talk_base::Thread::Current(), signaling_thread_);
 
159
    return track_impl_->kind();
 
160
  }
 
161
  virtual std::string label() const {
 
162
    EXPECT_EQ(talk_base::Thread::Current(), signaling_thread_);
 
163
    return track_impl_->label();
 
164
  }
 
165
  virtual bool enabled() const {
 
166
    EXPECT_EQ(talk_base::Thread::Current(), signaling_thread_);
 
167
    return track_impl_->enabled();
 
168
  }
 
169
  virtual MediaStreamTrackInterface::TrackState state() const {
 
170
    EXPECT_EQ(talk_base::Thread::Current(), signaling_thread_);
 
171
    return track_impl_->state();
 
172
  }
 
173
  virtual bool set_enabled(bool enabled) {
 
174
    EXPECT_EQ(talk_base::Thread::Current(), signaling_thread_);
 
175
    return track_impl_->set_enabled(enabled);
 
176
  }
 
177
  virtual bool set_state(webrtc::MediaStreamTrackInterface::TrackState state) {
 
178
    EXPECT_EQ(talk_base::Thread::Current(), signaling_thread_);
 
179
    return track_impl_->set_state(state);
 
180
  }
 
181
 
 
182
 protected:
 
183
  scoped_refptr<T> track_impl_;
 
184
  talk_base::Thread* signaling_thread_;
 
185
};
 
186
 
 
187
class MockLocalVideoTrack
 
188
    : public MockMediaStreamTrack<LocalVideoTrackInterface> {
 
189
 public:
 
190
    MockLocalVideoTrack(LocalVideoTrackInterface* implementation,
 
191
                        talk_base::Thread* signaling_thread)
 
192
        : MockMediaStreamTrack<LocalVideoTrackInterface>(implementation,
 
193
                                                         signaling_thread) {
 
194
    }
 
195
  virtual void SetRenderer(webrtc::VideoRendererWrapperInterface* renderer) {
 
196
    EXPECT_EQ(talk_base::Thread::Current(), signaling_thread_);
 
197
    track_impl_->SetRenderer(renderer);
 
198
  }
 
199
  virtual VideoRendererWrapperInterface* GetRenderer() {
 
200
    EXPECT_EQ(talk_base::Thread::Current(), signaling_thread_);
 
201
    return track_impl_->GetRenderer();
 
202
  }
 
203
  virtual cricket::VideoCapturer* GetVideoCapture() {
 
204
    EXPECT_EQ(talk_base::Thread::Current(), signaling_thread_);
 
205
    return track_impl_->GetVideoCapture();
 
206
  }
 
207
};
 
208
 
 
209
class MockLocalAudioTrack
 
210
    : public MockMediaStreamTrack<LocalAudioTrackInterface> {
 
211
 public:
 
212
  MockLocalAudioTrack(LocalAudioTrackInterface* implementation,
 
213
                      talk_base::Thread* signaling_thread)
 
214
    : MockMediaStreamTrack<LocalAudioTrackInterface>(implementation,
 
215
                                                     signaling_thread) {
 
216
  }
 
217
 
 
218
  virtual AudioDeviceModule* GetAudioDevice() {
 
219
    EXPECT_EQ(talk_base::Thread::Current(), signaling_thread_);
 
220
    return track_impl_->GetAudioDevice();
 
221
  }
 
222
};
 
223
 
 
224
class MediaStreamTest: public testing::Test,
 
225
                       public talk_base::MessageHandler {
 
226
 protected:
 
227
  virtual void SetUp() {
 
228
    signaling_thread_ .reset(new talk_base::Thread());
 
229
    ASSERT_TRUE(signaling_thread_->Start());
 
230
 
 
231
    std::string label(kStreamLabel1);
 
232
    // Create a stream proxy object that uses our mocked
 
233
    // version of a LocalMediaStream.
 
234
    scoped_refptr<MockMediaStream> mock_stream(
 
235
        new talk_base::RefCountedObject<MockMediaStream>(label,
 
236
                                                 signaling_thread_.get()));
 
237
    stream_ = MediaStreamProxy::Create(label, signaling_thread_.get(),
 
238
                                       mock_stream);
 
239
    ASSERT_TRUE(stream_.get() != NULL);
 
240
    EXPECT_EQ(label, stream_->label());
 
241
    EXPECT_EQ(MediaStreamInterface::kInitializing, stream_->ready_state());
 
242
 
 
243
    // Create a video track proxy object that uses our mocked
 
244
    // version of a LocalVideoTrack
 
245
    scoped_refptr<VideoTrack> video_track_impl(
 
246
        VideoTrack::CreateLocal(kVideoTrackLabel, NULL));
 
247
    scoped_refptr<MockLocalVideoTrack> mock_videotrack(
 
248
        new talk_base::RefCountedObject<MockLocalVideoTrack>(video_track_impl,
 
249
                                                     signaling_thread_.get()));
 
250
    video_track_ = VideoTrackProxy::CreateLocal(mock_videotrack,
 
251
                                                signaling_thread_.get());
 
252
 
 
253
    ASSERT_TRUE(video_track_.get() != NULL);
 
254
    EXPECT_EQ(MediaStreamTrackInterface::kInitializing, video_track_->state());
 
255
 
 
256
    // Create an audio track proxy object that uses our mocked
 
257
    // version of a LocalAudioTrack
 
258
    scoped_refptr<AudioTrack> audio_track_impl(
 
259
        AudioTrack::CreateLocal(kAudioTrackLabel, NULL));
 
260
    scoped_refptr<MockLocalAudioTrack> mock_audiotrack(
 
261
        new talk_base::RefCountedObject<MockLocalAudioTrack>(audio_track_impl,
 
262
                                                     signaling_thread_.get()));
 
263
    audio_track_ = AudioTrackProxy::CreateLocal(mock_audiotrack,
 
264
                                                signaling_thread_.get());
 
265
 
 
266
    ASSERT_TRUE(audio_track_.get() != NULL);
 
267
    EXPECT_EQ(MediaStreamTrackInterface::kInitializing, audio_track_->state());
 
268
  }
 
269
 
 
270
  enum {
 
271
    MSG_SET_READYSTATE,
 
272
    MSG_SET_TRACKSTATE,
 
273
  };
 
274
 
 
275
  // Set the ready state on the signaling thread.
 
276
  // State can only be changed on the signaling thread.
 
277
  void SetReadyState(MediaStreamInterface* stream,
 
278
                     MediaStreamInterface::ReadyState new_state) {
 
279
    ReadyStateMessageData state(stream, new_state);
 
280
    signaling_thread_->Send(this, MSG_SET_READYSTATE, &state);
 
281
  }
 
282
 
 
283
  // Set the track state on the signaling thread.
 
284
  // State can only be changed on the signaling thread.
 
285
  void SetTrackState(MediaStreamTrackInterface* track,
 
286
                     MediaStreamTrackInterface::TrackState new_state) {
 
287
    TrackStateMessageData state(track, new_state);
 
288
    signaling_thread_->Send(this, MSG_SET_TRACKSTATE, &state);
 
289
  }
 
290
 
 
291
  talk_base::scoped_ptr<talk_base::Thread> signaling_thread_;
 
292
  scoped_refptr<LocalMediaStreamInterface> stream_;
 
293
  scoped_refptr<LocalVideoTrackInterface> video_track_;
 
294
  scoped_refptr<LocalAudioTrackInterface> audio_track_;
 
295
 
 
296
 private:
 
297
  // Implements talk_base::MessageHandler.
 
298
  virtual void OnMessage(talk_base::Message* msg) {
 
299
    switch (msg->message_id) {
 
300
      case MSG_SET_READYSTATE: {
 
301
        ReadyStateMessageData* state =
 
302
            static_cast<ReadyStateMessageData*>(msg->pdata);
 
303
        state->stream_->set_ready_state(state->ready_state_);
 
304
        break;
 
305
      }
 
306
      case MSG_SET_TRACKSTATE: {
 
307
        TrackStateMessageData* state =
 
308
            static_cast<TrackStateMessageData*>(msg->pdata);
 
309
        state->track_->set_state(state->state_);
 
310
        break;
 
311
      }
 
312
      default:
 
313
        break;
 
314
    }
 
315
  }
 
316
};
 
317
 
 
318
TEST_F(MediaStreamTest, CreateLocalStream) {
 
319
  EXPECT_TRUE(stream_->AddTrack(video_track_));
 
320
  EXPECT_TRUE(stream_->AddTrack(audio_track_));
 
321
 
 
322
  ASSERT_EQ(1u, stream_->video_tracks()->count());
 
323
  ASSERT_EQ(1u, stream_->audio_tracks()->count());
 
324
 
 
325
  // Verify the video track.
 
326
  scoped_refptr<webrtc::MediaStreamTrackInterface> track(
 
327
      stream_->video_tracks()->at(0));
 
328
  EXPECT_EQ(0, track->label().compare(kVideoTrackLabel));
 
329
  EXPECT_TRUE(track->enabled());
 
330
 
 
331
  // Verify the audio track.
 
332
  track = stream_->audio_tracks()->at(0);
 
333
  EXPECT_EQ(0, track->label().compare(kAudioTrackLabel));
 
334
  EXPECT_TRUE(track->enabled());
 
335
}
 
336
 
 
337
TEST_F(MediaStreamTest, ChangeStreamState) {
 
338
  MockObserver observer(signaling_thread_.get());
 
339
  stream_->RegisterObserver(&observer);
 
340
 
 
341
  EXPECT_CALL(observer, DoOnChanged())
 
342
      .Times(Exactly(1));
 
343
  SetReadyState(stream_, MediaStreamInterface::kLive);
 
344
 
 
345
  EXPECT_EQ(MediaStreamInterface::kLive, stream_->ready_state());
 
346
  // It should not be possible to add
 
347
  // streams when the state has changed to live.
 
348
  EXPECT_FALSE(stream_->AddTrack(audio_track_));
 
349
  EXPECT_EQ(0u, stream_->audio_tracks()->count());
 
350
}
 
351
 
 
352
TEST_F(MediaStreamTest, ChangeVideoTrack) {
 
353
  MockObserver observer(signaling_thread_.get());
 
354
  video_track_->RegisterObserver(&observer);
 
355
 
 
356
  EXPECT_CALL(observer, DoOnChanged())
 
357
      .Times(Exactly(1));
 
358
  video_track_->set_enabled(false);
 
359
  EXPECT_FALSE(video_track_->state());
 
360
 
 
361
  EXPECT_CALL(observer, DoOnChanged())
 
362
      .Times(Exactly(1));
 
363
  SetTrackState(video_track_, MediaStreamTrackInterface::kLive);
 
364
  EXPECT_EQ(MediaStreamTrackInterface::kLive, video_track_->state());
 
365
 
 
366
  EXPECT_CALL(observer, DoOnChanged())
 
367
      .Times(Exactly(1));
 
368
  scoped_refptr<VideoRendererWrapperInterface> renderer(
 
369
      CreateVideoRenderer(NULL));
 
370
  video_track_->SetRenderer(renderer.get());
 
371
  EXPECT_TRUE(renderer.get() == video_track_->GetRenderer());
 
372
}
 
373
 
 
374
TEST_F(MediaStreamTest, ChangeAudioTrack) {
 
375
  MockObserver observer(signaling_thread_.get());
 
376
  audio_track_->RegisterObserver(&observer);
 
377
 
 
378
  EXPECT_CALL(observer, DoOnChanged())
 
379
      .Times(Exactly(1));
 
380
  audio_track_->set_enabled(false);
 
381
  EXPECT_FALSE(audio_track_->enabled());
 
382
 
 
383
  EXPECT_CALL(observer, DoOnChanged())
 
384
      .Times(Exactly(1));
 
385
  SetTrackState(audio_track_, MediaStreamTrackInterface::kLive);
 
386
  EXPECT_EQ(MediaStreamTrackInterface::kLive, audio_track_->state());
 
387
}
 
388
 
 
389
}  // namespace webrtc