Henrik Boström | 933d8b0 | 2017-10-10 10:05:16 -0700 | [diff] [blame] | 1 | /* |
| 2 | * Copyright 2017 The WebRTC project authors. All Rights Reserved. |
| 3 | * |
| 4 | * Use of this source code is governed by a BSD-style license |
| 5 | * that can be found in the LICENSE file in the root of the source |
| 6 | * tree. An additional intellectual property rights grant can be found |
| 7 | * in the file PATENTS. All contributing project authors may |
| 8 | * be found in the AUTHORS file in the root of the source tree. |
| 9 | */ |
| 10 | |
| 11 | #include <memory> |
| 12 | #include <vector> |
| 13 | |
Karl Wiberg | 1b0eae3 | 2017-10-17 14:48:54 +0200 | [diff] [blame] | 14 | #include "api/audio_codecs/builtin_audio_decoder_factory.h" |
| 15 | #include "api/audio_codecs/builtin_audio_encoder_factory.h" |
Henrik Boström | 933d8b0 | 2017-10-10 10:05:16 -0700 | [diff] [blame] | 16 | #include "api/jsep.h" |
| 17 | #include "api/mediastreaminterface.h" |
| 18 | #include "api/peerconnectioninterface.h" |
| 19 | #include "pc/mediastream.h" |
| 20 | #include "pc/mediastreamtrack.h" |
| 21 | #include "pc/peerconnectionwrapper.h" |
| 22 | #include "pc/test/fakeaudiocapturemodule.h" |
| 23 | #include "pc/test/mockpeerconnectionobservers.h" |
| 24 | #include "rtc_base/checks.h" |
| 25 | #include "rtc_base/gunit.h" |
| 26 | #include "rtc_base/ptr_util.h" |
| 27 | #include "rtc_base/refcountedobject.h" |
| 28 | #include "rtc_base/scoped_ref_ptr.h" |
| 29 | #include "rtc_base/thread.h" |
| 30 | |
| 31 | // This file contains tests for RTP Media API-related behavior of |
| 32 | // |webrtc::PeerConnection|, see https://w3c.github.io/webrtc-pc/#rtp-media-api. |
| 33 | |
| 34 | namespace { |
| 35 | |
Henrik Boström | 3163867 | 2017-11-23 17:48:32 +0100 | [diff] [blame^] | 36 | const uint32_t kDefaultTimeout = 10000u; |
| 37 | |
| 38 | template <typename MethodFunctor> |
| 39 | class OnSuccessObserver : public rtc::RefCountedObject< |
| 40 | webrtc::SetRemoteDescriptionObserverInterface> { |
| 41 | public: |
| 42 | explicit OnSuccessObserver(MethodFunctor on_success) |
| 43 | : on_success_(std::move(on_success)) {} |
| 44 | |
| 45 | // webrtc::SetRemoteDescriptionObserverInterface implementation. |
| 46 | void OnSetRemoteDescriptionComplete(webrtc::RTCError error) override { |
| 47 | RTC_CHECK(error.ok()); |
| 48 | on_success_(); |
| 49 | } |
| 50 | |
| 51 | private: |
| 52 | MethodFunctor on_success_; |
| 53 | }; |
| 54 | |
Henrik Boström | 933d8b0 | 2017-10-10 10:05:16 -0700 | [diff] [blame] | 55 | class PeerConnectionRtpTest : public testing::Test { |
| 56 | public: |
| 57 | PeerConnectionRtpTest() |
Karl Wiberg | 1b0eae3 | 2017-10-17 14:48:54 +0200 | [diff] [blame] | 58 | : pc_factory_(webrtc::CreatePeerConnectionFactory( |
Henrik Boström | 933d8b0 | 2017-10-10 10:05:16 -0700 | [diff] [blame] | 59 | rtc::Thread::Current(), |
| 60 | rtc::Thread::Current(), |
| 61 | rtc::Thread::Current(), |
| 62 | FakeAudioCaptureModule::Create(), |
Karl Wiberg | 1b0eae3 | 2017-10-17 14:48:54 +0200 | [diff] [blame] | 63 | webrtc::CreateBuiltinAudioEncoderFactory(), |
| 64 | webrtc::CreateBuiltinAudioDecoderFactory(), |
Henrik Boström | 933d8b0 | 2017-10-10 10:05:16 -0700 | [diff] [blame] | 65 | nullptr, |
| 66 | nullptr)) {} |
| 67 | |
| 68 | std::unique_ptr<webrtc::PeerConnectionWrapper> CreatePeerConnection() { |
| 69 | webrtc::PeerConnectionInterface::RTCConfiguration config; |
| 70 | auto observer = rtc::MakeUnique<webrtc::MockPeerConnectionObserver>(); |
| 71 | auto pc = pc_factory_->CreatePeerConnection(config, nullptr, nullptr, |
| 72 | observer.get()); |
| 73 | return std::unique_ptr<webrtc::PeerConnectionWrapper>( |
| 74 | new webrtc::PeerConnectionWrapper(pc_factory_, pc, |
| 75 | std::move(observer))); |
| 76 | } |
| 77 | |
| 78 | protected: |
| 79 | rtc::scoped_refptr<webrtc::PeerConnectionFactoryInterface> pc_factory_; |
| 80 | }; |
| 81 | |
Henrik Boström | 3163867 | 2017-11-23 17:48:32 +0100 | [diff] [blame^] | 82 | // These tests cover |webrtc::PeerConnectionObserver| callbacks firing upon |
| 83 | // setting the remote description. |
| 84 | class PeerConnectionRtpCallbacksTest : public PeerConnectionRtpTest {}; |
| 85 | |
| 86 | TEST_F(PeerConnectionRtpCallbacksTest, AddTrackWithoutStreamFiresOnAddTrack) { |
Henrik Boström | 933d8b0 | 2017-10-10 10:05:16 -0700 | [diff] [blame] | 87 | auto caller = CreatePeerConnection(); |
| 88 | auto callee = CreatePeerConnection(); |
| 89 | |
| 90 | rtc::scoped_refptr<webrtc::AudioTrackInterface> audio_track( |
| 91 | pc_factory_->CreateAudioTrack("audio_track", nullptr)); |
| 92 | EXPECT_TRUE(caller->pc()->AddTrack(audio_track.get(), {})); |
Henrik Boström | 3163867 | 2017-11-23 17:48:32 +0100 | [diff] [blame^] | 93 | ASSERT_TRUE( |
| 94 | callee->SetRemoteDescription(caller->CreateOfferAndSetAsLocal(), |
| 95 | static_cast<webrtc::RTCError*>(nullptr))); |
Henrik Boström | 933d8b0 | 2017-10-10 10:05:16 -0700 | [diff] [blame] | 96 | |
Henrik Boström | 3163867 | 2017-11-23 17:48:32 +0100 | [diff] [blame^] | 97 | ASSERT_EQ(callee->observer()->add_track_events_.size(), 1u); |
| 98 | // TODO(hbos): When "no stream" is handled correctly we would expect |
Henrik Boström | 933d8b0 | 2017-10-10 10:05:16 -0700 | [diff] [blame] | 99 | // |add_track_events_[0].streams| to be empty. https://crbug.com/webrtc/7933 |
Henrik Boström | 9e6fd2b | 2017-11-21 13:41:51 +0100 | [diff] [blame] | 100 | auto& add_track_event = callee->observer()->add_track_events_[0]; |
Henrik Boström | 3163867 | 2017-11-23 17:48:32 +0100 | [diff] [blame^] | 101 | ASSERT_EQ(add_track_event.streams.size(), 1u); |
Henrik Boström | 9e6fd2b | 2017-11-21 13:41:51 +0100 | [diff] [blame] | 102 | EXPECT_TRUE(add_track_event.streams[0]->FindAudioTrack("audio_track")); |
| 103 | EXPECT_EQ(add_track_event.streams, add_track_event.receiver->streams()); |
Henrik Boström | 933d8b0 | 2017-10-10 10:05:16 -0700 | [diff] [blame] | 104 | } |
| 105 | |
Henrik Boström | 3163867 | 2017-11-23 17:48:32 +0100 | [diff] [blame^] | 106 | TEST_F(PeerConnectionRtpCallbacksTest, AddTrackWithStreamFiresOnAddTrack) { |
Henrik Boström | 933d8b0 | 2017-10-10 10:05:16 -0700 | [diff] [blame] | 107 | auto caller = CreatePeerConnection(); |
| 108 | auto callee = CreatePeerConnection(); |
| 109 | |
| 110 | rtc::scoped_refptr<webrtc::AudioTrackInterface> audio_track( |
| 111 | pc_factory_->CreateAudioTrack("audio_track", nullptr)); |
| 112 | auto stream = webrtc::MediaStream::Create("audio_stream"); |
| 113 | EXPECT_TRUE(caller->pc()->AddTrack(audio_track.get(), {stream.get()})); |
Henrik Boström | 3163867 | 2017-11-23 17:48:32 +0100 | [diff] [blame^] | 114 | ASSERT_TRUE( |
| 115 | callee->SetRemoteDescription(caller->CreateOfferAndSetAsLocal(), |
| 116 | static_cast<webrtc::RTCError*>(nullptr))); |
Henrik Boström | 933d8b0 | 2017-10-10 10:05:16 -0700 | [diff] [blame] | 117 | |
Henrik Boström | 3163867 | 2017-11-23 17:48:32 +0100 | [diff] [blame^] | 118 | ASSERT_EQ(callee->observer()->add_track_events_.size(), 1u); |
Henrik Boström | 9e6fd2b | 2017-11-21 13:41:51 +0100 | [diff] [blame] | 119 | auto& add_track_event = callee->observer()->add_track_events_[0]; |
Henrik Boström | 3163867 | 2017-11-23 17:48:32 +0100 | [diff] [blame^] | 120 | ASSERT_EQ(add_track_event.streams.size(), 1u); |
Henrik Boström | 9e6fd2b | 2017-11-21 13:41:51 +0100 | [diff] [blame] | 121 | EXPECT_EQ("audio_stream", add_track_event.streams[0]->label()); |
| 122 | EXPECT_TRUE(add_track_event.streams[0]->FindAudioTrack("audio_track")); |
| 123 | EXPECT_EQ(add_track_event.streams, add_track_event.receiver->streams()); |
Henrik Boström | 933d8b0 | 2017-10-10 10:05:16 -0700 | [diff] [blame] | 124 | } |
| 125 | |
Henrik Boström | 3163867 | 2017-11-23 17:48:32 +0100 | [diff] [blame^] | 126 | TEST_F(PeerConnectionRtpCallbacksTest, |
| 127 | RemoveTrackWithoutStreamFiresOnRemoveTrack) { |
Henrik Boström | 933d8b0 | 2017-10-10 10:05:16 -0700 | [diff] [blame] | 128 | auto caller = CreatePeerConnection(); |
| 129 | auto callee = CreatePeerConnection(); |
| 130 | |
| 131 | rtc::scoped_refptr<webrtc::AudioTrackInterface> audio_track( |
| 132 | pc_factory_->CreateAudioTrack("audio_track", nullptr)); |
| 133 | auto sender = caller->pc()->AddTrack(audio_track.get(), {}); |
Henrik Boström | 3163867 | 2017-11-23 17:48:32 +0100 | [diff] [blame^] | 134 | ASSERT_TRUE( |
| 135 | callee->SetRemoteDescription(caller->CreateOfferAndSetAsLocal(), |
| 136 | static_cast<webrtc::RTCError*>(nullptr))); |
| 137 | ASSERT_EQ(callee->observer()->add_track_events_.size(), 1u); |
Henrik Boström | 933d8b0 | 2017-10-10 10:05:16 -0700 | [diff] [blame] | 138 | EXPECT_TRUE(caller->pc()->RemoveTrack(sender)); |
Henrik Boström | 3163867 | 2017-11-23 17:48:32 +0100 | [diff] [blame^] | 139 | ASSERT_TRUE( |
| 140 | callee->SetRemoteDescription(caller->CreateOfferAndSetAsLocal(), |
| 141 | static_cast<webrtc::RTCError*>(nullptr))); |
Henrik Boström | 933d8b0 | 2017-10-10 10:05:16 -0700 | [diff] [blame] | 142 | |
Henrik Boström | 3163867 | 2017-11-23 17:48:32 +0100 | [diff] [blame^] | 143 | ASSERT_EQ(callee->observer()->add_track_events_.size(), 1u); |
Henrik Boström | 933d8b0 | 2017-10-10 10:05:16 -0700 | [diff] [blame] | 144 | EXPECT_EQ(callee->observer()->GetAddTrackReceivers(), |
| 145 | callee->observer()->remove_track_events_); |
| 146 | } |
| 147 | |
Henrik Boström | 3163867 | 2017-11-23 17:48:32 +0100 | [diff] [blame^] | 148 | TEST_F(PeerConnectionRtpCallbacksTest, |
| 149 | RemoveTrackWithStreamFiresOnRemoveTrack) { |
Henrik Boström | 933d8b0 | 2017-10-10 10:05:16 -0700 | [diff] [blame] | 150 | auto caller = CreatePeerConnection(); |
| 151 | auto callee = CreatePeerConnection(); |
| 152 | |
| 153 | rtc::scoped_refptr<webrtc::AudioTrackInterface> audio_track( |
| 154 | pc_factory_->CreateAudioTrack("audio_track", nullptr)); |
| 155 | auto stream = webrtc::MediaStream::Create("audio_stream"); |
| 156 | auto sender = caller->pc()->AddTrack(audio_track.get(), {stream.get()}); |
Henrik Boström | 3163867 | 2017-11-23 17:48:32 +0100 | [diff] [blame^] | 157 | ASSERT_TRUE( |
| 158 | callee->SetRemoteDescription(caller->CreateOfferAndSetAsLocal(), |
| 159 | static_cast<webrtc::RTCError*>(nullptr))); |
| 160 | ASSERT_EQ(callee->observer()->add_track_events_.size(), 1u); |
Henrik Boström | 933d8b0 | 2017-10-10 10:05:16 -0700 | [diff] [blame] | 161 | EXPECT_TRUE(caller->pc()->RemoveTrack(sender)); |
Henrik Boström | 3163867 | 2017-11-23 17:48:32 +0100 | [diff] [blame^] | 162 | ASSERT_TRUE( |
| 163 | callee->SetRemoteDescription(caller->CreateOfferAndSetAsLocal(), |
| 164 | static_cast<webrtc::RTCError*>(nullptr))); |
Henrik Boström | 933d8b0 | 2017-10-10 10:05:16 -0700 | [diff] [blame] | 165 | |
Henrik Boström | 3163867 | 2017-11-23 17:48:32 +0100 | [diff] [blame^] | 166 | ASSERT_EQ(callee->observer()->add_track_events_.size(), 1u); |
Henrik Boström | 933d8b0 | 2017-10-10 10:05:16 -0700 | [diff] [blame] | 167 | EXPECT_EQ(callee->observer()->GetAddTrackReceivers(), |
| 168 | callee->observer()->remove_track_events_); |
| 169 | } |
| 170 | |
Henrik Boström | 3163867 | 2017-11-23 17:48:32 +0100 | [diff] [blame^] | 171 | TEST_F(PeerConnectionRtpCallbacksTest, |
| 172 | RemoveTrackWithSharedStreamFiresOnRemoveTrack) { |
Henrik Boström | 933d8b0 | 2017-10-10 10:05:16 -0700 | [diff] [blame] | 173 | auto caller = CreatePeerConnection(); |
| 174 | auto callee = CreatePeerConnection(); |
| 175 | |
| 176 | rtc::scoped_refptr<webrtc::AudioTrackInterface> audio_track1( |
| 177 | pc_factory_->CreateAudioTrack("audio_track1", nullptr)); |
| 178 | rtc::scoped_refptr<webrtc::AudioTrackInterface> audio_track2( |
| 179 | pc_factory_->CreateAudioTrack("audio_track2", nullptr)); |
| 180 | auto stream = webrtc::MediaStream::Create("shared_audio_stream"); |
| 181 | std::vector<webrtc::MediaStreamInterface*> streams{stream.get()}; |
| 182 | auto sender1 = caller->pc()->AddTrack(audio_track1.get(), streams); |
| 183 | auto sender2 = caller->pc()->AddTrack(audio_track2.get(), streams); |
Henrik Boström | 3163867 | 2017-11-23 17:48:32 +0100 | [diff] [blame^] | 184 | ASSERT_TRUE( |
| 185 | callee->SetRemoteDescription(caller->CreateOfferAndSetAsLocal(), |
| 186 | static_cast<webrtc::RTCError*>(nullptr))); |
Henrik Boström | 933d8b0 | 2017-10-10 10:05:16 -0700 | [diff] [blame] | 187 | |
Henrik Boström | 3163867 | 2017-11-23 17:48:32 +0100 | [diff] [blame^] | 188 | ASSERT_EQ(callee->observer()->add_track_events_.size(), 2u); |
Henrik Boström | 933d8b0 | 2017-10-10 10:05:16 -0700 | [diff] [blame] | 189 | |
| 190 | // Remove "audio_track1". |
| 191 | EXPECT_TRUE(caller->pc()->RemoveTrack(sender1)); |
Henrik Boström | 3163867 | 2017-11-23 17:48:32 +0100 | [diff] [blame^] | 192 | ASSERT_TRUE( |
| 193 | callee->SetRemoteDescription(caller->CreateOfferAndSetAsLocal(), |
| 194 | static_cast<webrtc::RTCError*>(nullptr))); |
| 195 | ASSERT_EQ(callee->observer()->add_track_events_.size(), 2u); |
Henrik Boström | 933d8b0 | 2017-10-10 10:05:16 -0700 | [diff] [blame] | 196 | EXPECT_EQ( |
| 197 | std::vector<rtc::scoped_refptr<webrtc::RtpReceiverInterface>>{ |
| 198 | callee->observer()->add_track_events_[0].receiver}, |
| 199 | callee->observer()->remove_track_events_); |
| 200 | |
| 201 | // Remove "audio_track2". |
| 202 | EXPECT_TRUE(caller->pc()->RemoveTrack(sender2)); |
Henrik Boström | 3163867 | 2017-11-23 17:48:32 +0100 | [diff] [blame^] | 203 | ASSERT_TRUE( |
| 204 | callee->SetRemoteDescription(caller->CreateOfferAndSetAsLocal(), |
| 205 | static_cast<webrtc::RTCError*>(nullptr))); |
| 206 | ASSERT_EQ(callee->observer()->add_track_events_.size(), 2u); |
Henrik Boström | 933d8b0 | 2017-10-10 10:05:16 -0700 | [diff] [blame] | 207 | EXPECT_EQ(callee->observer()->GetAddTrackReceivers(), |
| 208 | callee->observer()->remove_track_events_); |
| 209 | } |
| 210 | |
Henrik Boström | 3163867 | 2017-11-23 17:48:32 +0100 | [diff] [blame^] | 211 | // These tests examine the state of the peer connection as a result of |
| 212 | // performing SetRemoteDescription(). |
| 213 | class PeerConnectionRtpObserverTest : public PeerConnectionRtpTest {}; |
| 214 | |
| 215 | TEST_F(PeerConnectionRtpObserverTest, AddSenderWithoutStreamAddsReceiver) { |
| 216 | auto caller = CreatePeerConnection(); |
| 217 | auto callee = CreatePeerConnection(); |
| 218 | |
| 219 | rtc::scoped_refptr<webrtc::AudioTrackInterface> audio_track( |
| 220 | pc_factory_->CreateAudioTrack("audio_track", nullptr)); |
| 221 | EXPECT_TRUE(caller->pc()->AddTrack(audio_track.get(), {})); |
| 222 | ASSERT_TRUE( |
| 223 | callee->SetRemoteDescription(caller->CreateOfferAndSetAsLocal(), |
| 224 | static_cast<webrtc::RTCError*>(nullptr))); |
| 225 | |
| 226 | EXPECT_EQ(callee->pc()->GetReceivers().size(), 1u); |
| 227 | auto receiver_added = callee->pc()->GetReceivers()[0]; |
| 228 | EXPECT_EQ("audio_track", receiver_added->track()->id()); |
| 229 | // TODO(hbos): When "no stream" is handled correctly we would expect |
| 230 | // |receiver_added->streams()| to be empty. https://crbug.com/webrtc/7933 |
| 231 | EXPECT_EQ(receiver_added->streams().size(), 1u); |
| 232 | EXPECT_TRUE(receiver_added->streams()[0]->FindAudioTrack("audio_track")); |
| 233 | } |
| 234 | |
| 235 | TEST_F(PeerConnectionRtpObserverTest, AddSenderWithStreamAddsReceiver) { |
| 236 | auto caller = CreatePeerConnection(); |
| 237 | auto callee = CreatePeerConnection(); |
| 238 | |
| 239 | rtc::scoped_refptr<webrtc::AudioTrackInterface> audio_track( |
| 240 | pc_factory_->CreateAudioTrack("audio_track", nullptr)); |
| 241 | auto stream = webrtc::MediaStream::Create("audio_stream"); |
| 242 | EXPECT_TRUE(caller->pc()->AddTrack(audio_track.get(), {stream})); |
| 243 | ASSERT_TRUE( |
| 244 | callee->SetRemoteDescription(caller->CreateOfferAndSetAsLocal(), |
| 245 | static_cast<webrtc::RTCError*>(nullptr))); |
| 246 | |
| 247 | EXPECT_EQ(callee->pc()->GetReceivers().size(), 1u); |
| 248 | auto receiver_added = callee->pc()->GetReceivers()[0]; |
| 249 | EXPECT_EQ("audio_track", receiver_added->track()->id()); |
| 250 | EXPECT_EQ(receiver_added->streams().size(), 1u); |
| 251 | EXPECT_EQ("audio_stream", receiver_added->streams()[0]->label()); |
| 252 | EXPECT_TRUE(receiver_added->streams()[0]->FindAudioTrack("audio_track")); |
| 253 | } |
| 254 | |
| 255 | TEST_F(PeerConnectionRtpObserverTest, |
| 256 | RemoveSenderWithoutStreamRemovesReceiver) { |
| 257 | auto caller = CreatePeerConnection(); |
| 258 | auto callee = CreatePeerConnection(); |
| 259 | |
| 260 | rtc::scoped_refptr<webrtc::AudioTrackInterface> audio_track( |
| 261 | pc_factory_->CreateAudioTrack("audio_track", nullptr)); |
| 262 | auto sender = caller->pc()->AddTrack(audio_track.get(), {}); |
| 263 | ASSERT_TRUE(sender); |
| 264 | ASSERT_TRUE( |
| 265 | callee->SetRemoteDescription(caller->CreateOfferAndSetAsLocal(), |
| 266 | static_cast<webrtc::RTCError*>(nullptr))); |
| 267 | ASSERT_EQ(callee->pc()->GetReceivers().size(), 1u); |
| 268 | auto receiver = callee->pc()->GetReceivers()[0]; |
| 269 | ASSERT_TRUE(caller->pc()->RemoveTrack(sender)); |
| 270 | ASSERT_TRUE( |
| 271 | callee->SetRemoteDescription(caller->CreateOfferAndSetAsLocal(), |
| 272 | static_cast<webrtc::RTCError*>(nullptr))); |
| 273 | |
| 274 | // TODO(hbos): When we implement Unified Plan, receivers will not be removed. |
| 275 | // Instead, the transceiver owning the receiver will become inactive. |
| 276 | EXPECT_EQ(callee->pc()->GetReceivers().size(), 0u); |
| 277 | } |
| 278 | |
| 279 | TEST_F(PeerConnectionRtpObserverTest, RemoveSenderWithStreamRemovesReceiver) { |
| 280 | auto caller = CreatePeerConnection(); |
| 281 | auto callee = CreatePeerConnection(); |
| 282 | |
| 283 | rtc::scoped_refptr<webrtc::AudioTrackInterface> audio_track( |
| 284 | pc_factory_->CreateAudioTrack("audio_track", nullptr)); |
| 285 | auto stream = webrtc::MediaStream::Create("audio_stream"); |
| 286 | auto sender = caller->pc()->AddTrack(audio_track.get(), {stream}); |
| 287 | ASSERT_TRUE(sender); |
| 288 | ASSERT_TRUE( |
| 289 | callee->SetRemoteDescription(caller->CreateOfferAndSetAsLocal(), |
| 290 | static_cast<webrtc::RTCError*>(nullptr))); |
| 291 | ASSERT_EQ(callee->pc()->GetReceivers().size(), 1u); |
| 292 | auto receiver = callee->pc()->GetReceivers()[0]; |
| 293 | ASSERT_TRUE(caller->pc()->RemoveTrack(sender)); |
| 294 | ASSERT_TRUE( |
| 295 | callee->SetRemoteDescription(caller->CreateOfferAndSetAsLocal(), |
| 296 | static_cast<webrtc::RTCError*>(nullptr))); |
| 297 | |
| 298 | // TODO(hbos): When we implement Unified Plan, receivers will not be removed. |
| 299 | // Instead, the transceiver owning the receiver will become inactive. |
| 300 | EXPECT_EQ(callee->pc()->GetReceivers().size(), 0u); |
| 301 | } |
| 302 | |
| 303 | TEST_F(PeerConnectionRtpObserverTest, |
| 304 | RemoveSenderWithSharedStreamRemovesReceiver) { |
| 305 | auto caller = CreatePeerConnection(); |
| 306 | auto callee = CreatePeerConnection(); |
| 307 | |
| 308 | rtc::scoped_refptr<webrtc::AudioTrackInterface> audio_track1( |
| 309 | pc_factory_->CreateAudioTrack("audio_track1", nullptr)); |
| 310 | rtc::scoped_refptr<webrtc::AudioTrackInterface> audio_track2( |
| 311 | pc_factory_->CreateAudioTrack("audio_track2", nullptr)); |
| 312 | auto stream = webrtc::MediaStream::Create("shared_audio_stream"); |
| 313 | std::vector<webrtc::MediaStreamInterface*> streams{stream.get()}; |
| 314 | auto sender1 = caller->pc()->AddTrack(audio_track1.get(), streams); |
| 315 | auto sender2 = caller->pc()->AddTrack(audio_track2.get(), streams); |
| 316 | ASSERT_TRUE( |
| 317 | callee->SetRemoteDescription(caller->CreateOfferAndSetAsLocal(), |
| 318 | static_cast<webrtc::RTCError*>(nullptr))); |
| 319 | |
| 320 | ASSERT_EQ(callee->pc()->GetReceivers().size(), 2u); |
| 321 | rtc::scoped_refptr<webrtc::RtpReceiverInterface> receiver1; |
| 322 | rtc::scoped_refptr<webrtc::RtpReceiverInterface> receiver2; |
| 323 | if (callee->pc()->GetReceivers()[0]->track()->id() == "audio_track1") { |
| 324 | receiver1 = callee->pc()->GetReceivers()[0]; |
| 325 | receiver2 = callee->pc()->GetReceivers()[1]; |
| 326 | } else { |
| 327 | receiver1 = callee->pc()->GetReceivers()[1]; |
| 328 | receiver2 = callee->pc()->GetReceivers()[0]; |
| 329 | } |
| 330 | EXPECT_EQ("audio_track1", receiver1->track()->id()); |
| 331 | EXPECT_EQ("audio_track2", receiver2->track()->id()); |
| 332 | |
| 333 | // Remove "audio_track1". |
| 334 | EXPECT_TRUE(caller->pc()->RemoveTrack(sender1)); |
| 335 | ASSERT_TRUE( |
| 336 | callee->SetRemoteDescription(caller->CreateOfferAndSetAsLocal(), |
| 337 | static_cast<webrtc::RTCError*>(nullptr))); |
| 338 | // Only |receiver2| should remain. |
| 339 | // TODO(hbos): When we implement Unified Plan, receivers will not be removed. |
| 340 | // Instead, the transceiver owning the receiver will become inactive. |
| 341 | EXPECT_EQ( |
| 342 | std::vector<rtc::scoped_refptr<webrtc::RtpReceiverInterface>>{receiver2}, |
| 343 | callee->pc()->GetReceivers()); |
| 344 | |
| 345 | // Remove "audio_track2". |
| 346 | EXPECT_TRUE(caller->pc()->RemoveTrack(sender2)); |
| 347 | ASSERT_TRUE( |
| 348 | callee->SetRemoteDescription(caller->CreateOfferAndSetAsLocal(), |
| 349 | static_cast<webrtc::RTCError*>(nullptr))); |
| 350 | // TODO(hbos): When we implement Unified Plan, receivers will not be removed. |
| 351 | // Instead, the transceiver owning the receiver will become inactive. |
| 352 | EXPECT_EQ(callee->pc()->GetReceivers().size(), 0u); |
| 353 | } |
| 354 | |
| 355 | // Invokes SetRemoteDescription() twice in a row without synchronizing the two |
| 356 | // calls and examine the state of the peer connection inside the callbacks to |
| 357 | // ensure that the second call does not occur prematurely, contaminating the |
| 358 | // state of the peer connection of the first callback. |
| 359 | TEST_F(PeerConnectionRtpObserverTest, |
| 360 | StatesCorrelateWithSetRemoteDescriptionCall) { |
| 361 | auto caller = CreatePeerConnection(); |
| 362 | auto callee = CreatePeerConnection(); |
| 363 | |
| 364 | rtc::scoped_refptr<webrtc::AudioTrackInterface> audio_track( |
| 365 | pc_factory_->CreateAudioTrack("audio_track", nullptr)); |
| 366 | // Create SDP for adding a track and for removing it. This will be used in the |
| 367 | // first and second SetRemoteDescription() calls. |
| 368 | auto sender = caller->pc()->AddTrack(audio_track.get(), {}); |
| 369 | auto srd1_sdp = caller->CreateOfferAndSetAsLocal(); |
| 370 | EXPECT_TRUE(caller->pc()->RemoveTrack(sender)); |
| 371 | auto srd2_sdp = caller->CreateOfferAndSetAsLocal(); |
| 372 | |
| 373 | // In the first SetRemoteDescription() callback, check that we have a |
| 374 | // receiver for the track. |
| 375 | auto pc = callee->pc(); |
| 376 | bool srd1_callback_called = false; |
| 377 | auto srd1_callback = [&srd1_callback_called, &pc]() { |
| 378 | EXPECT_EQ(pc->GetReceivers().size(), 1u); |
| 379 | srd1_callback_called = true; |
| 380 | }; |
| 381 | |
| 382 | // In the second SetRemoteDescription() callback, check that the receiver has |
| 383 | // been removed. |
| 384 | // TODO(hbos): When we implement Unified Plan, receivers will not be removed. |
| 385 | // Instead, the transceiver owning the receiver will become inactive. |
| 386 | // https://crbug.com/webrtc/7600 |
| 387 | bool srd2_callback_called = false; |
| 388 | auto srd2_callback = [&srd2_callback_called, &pc]() { |
| 389 | EXPECT_TRUE(pc->GetReceivers().empty()); |
| 390 | srd2_callback_called = true; |
| 391 | }; |
| 392 | |
| 393 | // Invoke SetRemoteDescription() twice in a row without synchronizing the two |
| 394 | // calls. The callbacks verify that the two calls are synchronized, as in, the |
| 395 | // effects of the second SetRemoteDescription() call must not have happened by |
| 396 | // the time the first callback is invoked. If it has then the receiver that is |
| 397 | // added as a result of the first SetRemoteDescription() call will already |
| 398 | // have been removed as a result of the second SetRemoteDescription() call |
| 399 | // when the first callback is invoked. |
| 400 | callee->pc()->SetRemoteDescription( |
| 401 | std::move(srd1_sdp), |
| 402 | new OnSuccessObserver<decltype(srd1_callback)>(srd1_callback)); |
| 403 | callee->pc()->SetRemoteDescription( |
| 404 | std::move(srd2_sdp), |
| 405 | new OnSuccessObserver<decltype(srd2_callback)>(srd2_callback)); |
| 406 | EXPECT_TRUE_WAIT(srd1_callback_called, kDefaultTimeout); |
| 407 | EXPECT_TRUE_WAIT(srd2_callback_called, kDefaultTimeout); |
| 408 | } |
| 409 | |
| 410 | // Tests for the legacy SetRemoteDescription() function signature. |
| 411 | class PeerConnectionRtpLegacyObserverTest : public PeerConnectionRtpTest {}; |
| 412 | |
| 413 | // Sanity test making sure the callback is invoked. |
| 414 | TEST_F(PeerConnectionRtpLegacyObserverTest, OnSuccess) { |
| 415 | auto caller = CreatePeerConnection(); |
| 416 | auto callee = CreatePeerConnection(); |
| 417 | |
| 418 | std::string error; |
| 419 | ASSERT_TRUE( |
| 420 | callee->SetRemoteDescription(caller->CreateOfferAndSetAsLocal(), &error)); |
| 421 | } |
| 422 | |
| 423 | // Verifies legacy behavior: The observer is not called if if the peer |
| 424 | // connection is destroyed because the asynchronous callback is executed in the |
| 425 | // peer connection's message handler. |
| 426 | TEST_F(PeerConnectionRtpLegacyObserverTest, |
| 427 | ObserverNotCalledIfPeerConnectionDereferenced) { |
| 428 | auto caller = CreatePeerConnection(); |
| 429 | auto callee = CreatePeerConnection(); |
| 430 | |
| 431 | rtc::scoped_refptr<webrtc::MockSetSessionDescriptionObserver> observer = |
| 432 | new rtc::RefCountedObject<webrtc::MockSetSessionDescriptionObserver>(); |
| 433 | |
| 434 | auto offer = caller->CreateOfferAndSetAsLocal(); |
| 435 | callee->pc()->SetRemoteDescription(observer, offer.release()); |
| 436 | callee = nullptr; |
| 437 | rtc::Thread::Current()->ProcessMessages(0); |
| 438 | EXPECT_FALSE(observer->called()); |
| 439 | } |
| 440 | |
Henrik Boström | 933d8b0 | 2017-10-10 10:05:16 -0700 | [diff] [blame] | 441 | } // namespace |