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/audiotrack.h"
31 #include "talk/app/webrtc/mediastream.h"
32 #include "talk/app/webrtc/videotrack.h"
33 #include "testing/gmock/include/gmock/gmock.h"
34 #include "testing/gtest/include/gtest/gtest.h"
35 #include "webrtc/base/gunit.h"
36 #include "webrtc/base/refcount.h"
37 #include "webrtc/base/scoped_ptr.h"
38
39 static const char kStreamLabel1[] = "local_stream_1";
40 static const char kVideoTrackId[] = "dummy_video_cam_1";
41 static const char kAudioTrackId[] = "dummy_microphone_1";
42
43 using rtc::scoped_refptr;
44 using ::testing::Exactly;
45
46 namespace webrtc {
47
48 // Helper class to test Observer.
49 class MockObserver : public ObserverInterface {
50 public:
MockObserver(NotifierInterface * notifier)51 explicit MockObserver(NotifierInterface* notifier) : notifier_(notifier) {
52 notifier_->RegisterObserver(this);
53 }
54
~MockObserver()55 ~MockObserver() { Unregister(); }
56
Unregister()57 void Unregister() {
58 if (notifier_) {
59 notifier_->UnregisterObserver(this);
60 notifier_ = nullptr;
61 }
62 }
63
64 MOCK_METHOD0(OnChanged, void());
65
66 private:
67 NotifierInterface* notifier_;
68 };
69
70 class MediaStreamTest: public testing::Test {
71 protected:
SetUp()72 virtual void SetUp() {
73 stream_ = MediaStream::Create(kStreamLabel1);
74 ASSERT_TRUE(stream_.get() != NULL);
75
76 video_track_ = VideoTrack::Create(kVideoTrackId, NULL);
77 ASSERT_TRUE(video_track_.get() != NULL);
78 EXPECT_EQ(MediaStreamTrackInterface::kInitializing, video_track_->state());
79
80 audio_track_ = AudioTrack::Create(kAudioTrackId, NULL);
81
82 ASSERT_TRUE(audio_track_.get() != NULL);
83 EXPECT_EQ(MediaStreamTrackInterface::kInitializing, audio_track_->state());
84
85 EXPECT_TRUE(stream_->AddTrack(video_track_));
86 EXPECT_FALSE(stream_->AddTrack(video_track_));
87 EXPECT_TRUE(stream_->AddTrack(audio_track_));
88 EXPECT_FALSE(stream_->AddTrack(audio_track_));
89 }
90
ChangeTrack(MediaStreamTrackInterface * track)91 void ChangeTrack(MediaStreamTrackInterface* track) {
92 MockObserver observer(track);
93
94 EXPECT_CALL(observer, OnChanged())
95 .Times(Exactly(1));
96 track->set_enabled(false);
97 EXPECT_FALSE(track->enabled());
98
99 EXPECT_CALL(observer, OnChanged())
100 .Times(Exactly(1));
101 track->set_state(MediaStreamTrackInterface::kLive);
102 EXPECT_EQ(MediaStreamTrackInterface::kLive, track->state());
103 }
104
105 scoped_refptr<MediaStreamInterface> stream_;
106 scoped_refptr<AudioTrackInterface> audio_track_;
107 scoped_refptr<VideoTrackInterface> video_track_;
108 };
109
TEST_F(MediaStreamTest,GetTrackInfo)110 TEST_F(MediaStreamTest, GetTrackInfo) {
111 ASSERT_EQ(1u, stream_->GetVideoTracks().size());
112 ASSERT_EQ(1u, stream_->GetAudioTracks().size());
113
114 // Verify the video track.
115 scoped_refptr<webrtc::MediaStreamTrackInterface> video_track(
116 stream_->GetVideoTracks()[0]);
117 EXPECT_EQ(0, video_track->id().compare(kVideoTrackId));
118 EXPECT_TRUE(video_track->enabled());
119
120 ASSERT_EQ(1u, stream_->GetVideoTracks().size());
121 EXPECT_TRUE(stream_->GetVideoTracks()[0].get() == video_track.get());
122 EXPECT_TRUE(stream_->FindVideoTrack(video_track->id()).get()
123 == video_track.get());
124 video_track = stream_->GetVideoTracks()[0];
125 EXPECT_EQ(0, video_track->id().compare(kVideoTrackId));
126 EXPECT_TRUE(video_track->enabled());
127
128 // Verify the audio track.
129 scoped_refptr<webrtc::MediaStreamTrackInterface> audio_track(
130 stream_->GetAudioTracks()[0]);
131 EXPECT_EQ(0, audio_track->id().compare(kAudioTrackId));
132 EXPECT_TRUE(audio_track->enabled());
133 ASSERT_EQ(1u, stream_->GetAudioTracks().size());
134 EXPECT_TRUE(stream_->GetAudioTracks()[0].get() == audio_track.get());
135 EXPECT_TRUE(stream_->FindAudioTrack(audio_track->id()).get()
136 == audio_track.get());
137 audio_track = stream_->GetAudioTracks()[0];
138 EXPECT_EQ(0, audio_track->id().compare(kAudioTrackId));
139 EXPECT_TRUE(audio_track->enabled());
140 }
141
TEST_F(MediaStreamTest,RemoveTrack)142 TEST_F(MediaStreamTest, RemoveTrack) {
143 MockObserver observer(stream_);
144
145 EXPECT_CALL(observer, OnChanged())
146 .Times(Exactly(2));
147
148 EXPECT_TRUE(stream_->RemoveTrack(audio_track_));
149 EXPECT_FALSE(stream_->RemoveTrack(audio_track_));
150 EXPECT_EQ(0u, stream_->GetAudioTracks().size());
151 EXPECT_EQ(0u, stream_->GetAudioTracks().size());
152
153 EXPECT_TRUE(stream_->RemoveTrack(video_track_));
154 EXPECT_FALSE(stream_->RemoveTrack(video_track_));
155
156 EXPECT_EQ(0u, stream_->GetVideoTracks().size());
157 EXPECT_EQ(0u, stream_->GetVideoTracks().size());
158
159 EXPECT_FALSE(stream_->RemoveTrack(static_cast<AudioTrackInterface*>(NULL)));
160 EXPECT_FALSE(stream_->RemoveTrack(static_cast<VideoTrackInterface*>(NULL)));
161 }
162
TEST_F(MediaStreamTest,ChangeVideoTrack)163 TEST_F(MediaStreamTest, ChangeVideoTrack) {
164 scoped_refptr<webrtc::VideoTrackInterface> video_track(
165 stream_->GetVideoTracks()[0]);
166 ChangeTrack(video_track.get());
167 }
168
TEST_F(MediaStreamTest,ChangeAudioTrack)169 TEST_F(MediaStreamTest, ChangeAudioTrack) {
170 scoped_refptr<webrtc::AudioTrackInterface> audio_track(
171 stream_->GetAudioTracks()[0]);
172 ChangeTrack(audio_track.get());
173 }
174
175 } // namespace webrtc
176