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// Copyright 2017 The Chromium Authors
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#include "third_party/blink/renderer/modules/peerconnection/rtc_peer_connection.h"
#include <string>
#include "base/functional/bind.h"
#include "build/build_config.h"
#include "build/buildflag.h"
#include "testing/gtest/include/gtest/gtest.h"
#include "third_party/blink/public/platform/platform.h"
#include "third_party/blink/public/platform/scheduler/test/renderer_scheduler_test_support.h"
#include "third_party/blink/public/platform/web_string.h"
#include "third_party/blink/public/web/web_heap.h"
#include "third_party/blink/public/web/web_script_source.h"
#include "third_party/blink/renderer/bindings/core/v8/dictionary.h"
#include "third_party/blink/renderer/bindings/core/v8/to_v8_traits.h"
#include "third_party/blink/renderer/bindings/core/v8/v8_binding_for_testing.h"
#include "third_party/blink/renderer/bindings/core/v8/v8_void_function.h"
#include "third_party/blink/renderer/bindings/modules/v8/v8_rtc_answer_options.h"
#include "third_party/blink/renderer/bindings/modules/v8/v8_rtc_configuration.h"
#include "third_party/blink/renderer/bindings/modules/v8/v8_rtc_ice_server.h"
#include "third_party/blink/renderer/bindings/modules/v8/v8_rtc_offer_options.h"
#include "third_party/blink/renderer/bindings/modules/v8/v8_rtc_peer_connection_error_callback.h"
#include "third_party/blink/renderer/bindings/modules/v8/v8_rtc_session_description_callback.h"
#include "third_party/blink/renderer/bindings/modules/v8/v8_rtc_session_description_init.h"
#include "third_party/blink/renderer/core/frame/web_local_frame_impl.h"
#include "third_party/blink/renderer/core/testing/sim/sim_request.h"
#include "third_party/blink/renderer/core/testing/sim/sim_test.h"
#include "third_party/blink/renderer/modules/mediastream/media_stream.h"
#include "third_party/blink/renderer/modules/mediastream/media_stream_track.h"
#include "third_party/blink/renderer/modules/mediastream/media_stream_track_impl.h"
#include "third_party/blink/renderer/modules/mediastream/media_stream_video_track.h"
#include "third_party/blink/renderer/modules/mediastream/mock_media_stream_video_source.h"
#include "third_party/blink/renderer/modules/peerconnection/mock_rtc_peer_connection_handler_platform.h"
#include "third_party/blink/renderer/platform/heap/collection_support/heap_vector.h"
#include "third_party/blink/renderer/platform/heap/garbage_collected.h"
#include "third_party/blink/renderer/platform/mediastream/media_stream_audio_track.h"
#include "third_party/blink/renderer/platform/mediastream/media_stream_track_platform.h"
#include "third_party/blink/renderer/platform/peerconnection/rtc_rtp_receiver_platform.h"
#include "third_party/blink/renderer/platform/peerconnection/rtc_rtp_sender_platform.h"
#include "third_party/blink/renderer/platform/peerconnection/rtc_session_description_platform.h"
#include "third_party/blink/renderer/platform/testing/io_task_runner_testing_platform_support.h"
#include "third_party/blink/renderer/platform/testing/task_environment.h"
#include "third_party/blink/renderer/platform/testing/testing_platform_support.h"
#include "third_party/blink/renderer/platform/wtf/functional.h"
#include "third_party/webrtc/api/rtc_error.h"
#include "v8/include/v8.h"
namespace blink {
class RTCOfferOptionsPlatform;
class RTCPeerConnectionTest : public testing::Test {
public:
RTCPeerConnection* CreatePC(V8TestingScope& scope) {
RTCConfiguration* config = RTCConfiguration::Create();
RTCIceServer* ice_server = RTCIceServer::Create();
ice_server->setUrl("stun:fake.stun.url");
HeapVector<Member<RTCIceServer>> ice_servers;
ice_servers.push_back(ice_server);
config->setIceServers(ice_servers);
RTCPeerConnection::SetRtcPeerConnectionHandlerFactoryForTesting(
base::BindRepeating(
&RTCPeerConnectionTest::CreateRTCPeerConnectionHandler,
base::Unretained(this)));
return RTCPeerConnection::Create(scope.GetExecutionContext(), config,
scope.GetExceptionState());
}
virtual std::unique_ptr<RTCPeerConnectionHandler>
CreateRTCPeerConnectionHandler() {
return std::make_unique<MockRTCPeerConnectionHandlerPlatform>();
}
MediaStreamTrack* CreateTrack(V8TestingScope& scope,
MediaStreamSource::StreamType type,
String id) {
auto platform_source = std::make_unique<MockMediaStreamVideoSource>();
auto* platform_source_ptr = platform_source.get();
auto* source = MakeGarbageCollected<MediaStreamSource>(
"sourceId", type, "sourceName", /*remote=*/false,
std::move(platform_source));
std::unique_ptr<MediaStreamTrackPlatform> platform_track;
if (type == MediaStreamSource::kTypeAudio) {
platform_track =
std::make_unique<MediaStreamAudioTrack>(/*is_local_track=*/true);
} else {
platform_track = std::make_unique<MediaStreamVideoTrack>(
platform_source_ptr,
MediaStreamVideoSource::ConstraintsOnceCallback(),
/*enabled=*/true);
}
auto* component = MakeGarbageCollected<MediaStreamComponentImpl>(
id, source, std::move(platform_track));
return MakeGarbageCollected<MediaStreamTrackImpl>(
scope.GetExecutionContext(), component);
}
std::string GetExceptionMessage(V8TestingScope& scope) {
DummyExceptionStateForTesting& exception_state = scope.GetExceptionState();
return exception_state.HadException() ? exception_state.Message().Utf8()
: "";
}
void AddStream(V8TestingScope& scope,
RTCPeerConnection* pc,
MediaStream* stream) {
pc->addStream(scope.GetScriptState(), stream, scope.GetExceptionState());
EXPECT_EQ("", GetExceptionMessage(scope));
}
void RemoveStream(V8TestingScope& scope,
RTCPeerConnection* pc,
MediaStream* stream) {
pc->removeStream(stream, scope.GetExceptionState());
EXPECT_EQ("", GetExceptionMessage(scope));
}
protected:
test::TaskEnvironment task_environment_;
ScopedTestingPlatformSupport<IOTaskRunnerTestingPlatformSupport> platform_;
};
TEST_F(RTCPeerConnectionTest, GetAudioTrack) {
V8TestingScope scope;
RTCPeerConnection* pc = CreatePC(scope);
EXPECT_EQ("", GetExceptionMessage(scope));
ASSERT_TRUE(pc);
MediaStreamTrack* track =
CreateTrack(scope, MediaStreamSource::kTypeAudio, "audioTrack");
HeapVector<Member<MediaStreamTrack>> tracks;
tracks.push_back(track);
MediaStream* stream =
MediaStream::Create(scope.GetExecutionContext(), tracks);
ASSERT_TRUE(stream);
EXPECT_FALSE(pc->GetTrackForTesting(track->Component()));
AddStream(scope, pc, stream);
EXPECT_TRUE(pc->GetTrackForTesting(track->Component()));
}
TEST_F(RTCPeerConnectionTest, GetVideoTrack) {
V8TestingScope scope;
RTCPeerConnection* pc = CreatePC(scope);
EXPECT_EQ("", GetExceptionMessage(scope));
ASSERT_TRUE(pc);
MediaStreamTrack* track =
CreateTrack(scope, MediaStreamSource::kTypeVideo, "videoTrack");
HeapVector<Member<MediaStreamTrack>> tracks;
tracks.push_back(track);
MediaStream* stream =
MediaStream::Create(scope.GetExecutionContext(), tracks);
ASSERT_TRUE(stream);
EXPECT_FALSE(pc->GetTrackForTesting(track->Component()));
AddStream(scope, pc, stream);
EXPECT_TRUE(pc->GetTrackForTesting(track->Component()));
}
TEST_F(RTCPeerConnectionTest, GetAudioAndVideoTrack) {
V8TestingScope scope;
RTCPeerConnection* pc = CreatePC(scope);
EXPECT_EQ("", GetExceptionMessage(scope));
ASSERT_TRUE(pc);
HeapVector<Member<MediaStreamTrack>> tracks;
MediaStreamTrack* audio_track =
CreateTrack(scope, MediaStreamSource::kTypeAudio, "audioTrack");
tracks.push_back(audio_track);
MediaStreamTrack* video_track =
CreateTrack(scope, MediaStreamSource::kTypeVideo, "videoTrack");
tracks.push_back(video_track);
MediaStream* stream =
MediaStream::Create(scope.GetExecutionContext(), tracks);
ASSERT_TRUE(stream);
EXPECT_FALSE(pc->GetTrackForTesting(audio_track->Component()));
EXPECT_FALSE(pc->GetTrackForTesting(video_track->Component()));
AddStream(scope, pc, stream);
EXPECT_TRUE(pc->GetTrackForTesting(audio_track->Component()));
EXPECT_TRUE(pc->GetTrackForTesting(video_track->Component()));
}
TEST_F(RTCPeerConnectionTest, GetTrackRemoveStreamAndGCAll) {
V8TestingScope scope;
Persistent<RTCPeerConnection> pc = CreatePC(scope);
EXPECT_EQ("", GetExceptionMessage(scope));
ASSERT_TRUE(pc);
MediaStreamTrack* track =
CreateTrack(scope, MediaStreamSource::kTypeAudio, "audioTrack");
MediaStreamComponent* track_component = track->Component();
{
HeapVector<Member<MediaStreamTrack>> tracks;
tracks.push_back(track);
MediaStream* stream =
MediaStream::Create(scope.GetExecutionContext(), tracks);
ASSERT_TRUE(stream);
EXPECT_FALSE(pc->GetTrackForTesting(track_component));
AddStream(scope, pc, stream);
EXPECT_TRUE(pc->GetTrackForTesting(track_component));
RemoveStream(scope, pc, stream);
// Transceivers will still reference the stream even after it is "removed".
// To make the GC tests work, clear the stream from tracks so that the
// stream does not keep tracks alive.
while (!stream->getTracks().empty())
stream->removeTrack(stream->getTracks()[0], scope.GetExceptionState());
}
// This will destroy |MediaStream|, |MediaStreamTrack| and its
// |MediaStreamComponent|, which will remove its mapping from the peer
// connection.
WebHeap::CollectAllGarbageForTesting();
EXPECT_FALSE(pc->GetTrackForTesting(track_component));
}
TEST_F(RTCPeerConnectionTest,
GetTrackRemoveStreamAndGCWithPersistentComponent) {
V8TestingScope scope;
Persistent<RTCPeerConnection> pc = CreatePC(scope);
EXPECT_EQ("", GetExceptionMessage(scope));
ASSERT_TRUE(pc);
MediaStreamTrack* track =
CreateTrack(scope, MediaStreamSource::kTypeAudio, "audioTrack");
Persistent<MediaStreamComponent> track_component = track->Component();
{
HeapVector<Member<MediaStreamTrack>> tracks;
tracks.push_back(track);
MediaStream* stream =
MediaStream::Create(scope.GetExecutionContext(), tracks);
ASSERT_TRUE(stream);
EXPECT_FALSE(pc->GetTrackForTesting(track_component.Get()));
AddStream(scope, pc, stream);
EXPECT_TRUE(pc->GetTrackForTesting(track_component.Get()));
RemoveStream(scope, pc, stream);
// Transceivers will still reference the stream even after it is "removed".
// To make the GC tests work, clear the stream from tracks so that the
// stream does not keep tracks alive.
while (!stream->getTracks().empty())
stream->removeTrack(stream->getTracks()[0], scope.GetExceptionState());
}
// This will destroy |MediaStream| and |MediaStreamTrack| (but not
// |MediaStreamComponent|), which will remove its mapping from the peer
// connection.
WebHeap::CollectAllGarbageForTesting();
EXPECT_FALSE(pc->GetTrackForTesting(track_component.Get()));
}
enum class AsyncOperationAction {
kLeavePending,
kResolve,
kReject,
};
template <typename RequestType>
void CompleteRequest(RequestType* request, bool resolve);
template <>
void CompleteRequest(RTCVoidRequest* request, bool resolve) {
if (resolve) {
request->RequestSucceeded();
} else {
request->RequestFailed(
webrtc::RTCError(webrtc::RTCErrorType::INVALID_MODIFICATION));
}
}
template <>
void CompleteRequest(RTCSessionDescriptionRequest* request, bool resolve) {
if (resolve) {
auto* description =
MakeGarbageCollected<RTCSessionDescriptionPlatform>(String(), String());
request->RequestSucceeded(description);
} else {
request->RequestFailed(
webrtc::RTCError(webrtc::RTCErrorType::INVALID_MODIFICATION));
}
}
template <typename RequestType>
void PostToCompleteRequest(AsyncOperationAction action, RequestType* request) {
switch (action) {
case AsyncOperationAction::kLeavePending:
return;
case AsyncOperationAction::kResolve:
scheduler::GetSequencedTaskRunnerForTesting()->PostTask(
FROM_HERE, WTF::BindOnce(&CompleteRequest<RequestType>,
WrapWeakPersistent(request), true));
return;
case AsyncOperationAction::kReject:
scheduler::GetSequencedTaskRunnerForTesting()->PostTask(
FROM_HERE, WTF::BindOnce(&CompleteRequest<RequestType>,
WrapWeakPersistent(request), false));
return;
}
}
class FakeRTCPeerConnectionHandlerPlatform
: public MockRTCPeerConnectionHandlerPlatform {
public:
Vector<std::unique_ptr<RTCRtpTransceiverPlatform>> CreateOffer(
RTCSessionDescriptionRequest* request,
RTCOfferOptionsPlatform*) override {
PostToCompleteRequest<RTCSessionDescriptionRequest>(async_operation_action_,
request);
return {};
}
void CreateAnswer(RTCSessionDescriptionRequest* request,
RTCAnswerOptionsPlatform*) override {
PostToCompleteRequest<RTCSessionDescriptionRequest>(async_operation_action_,
request);
}
void SetLocalDescription(RTCVoidRequest* request,
ParsedSessionDescription) override {
PostToCompleteRequest<RTCVoidRequest>(async_operation_action_, request);
}
void SetRemoteDescription(RTCVoidRequest* request,
ParsedSessionDescription) override {
PostToCompleteRequest<RTCVoidRequest>(async_operation_action_, request);
}
void set_async_operation_action(AsyncOperationAction action) {
async_operation_action_ = action;
}
private:
// Decides what to do with future async operations' promises/callbacks.
AsyncOperationAction async_operation_action_ =
AsyncOperationAction::kLeavePending;
};
TEST_F(RTCPeerConnectionTest, MediaStreamTrackStopsThrottling) {
V8TestingScope scope;
auto* scheduler = scope.GetFrame().GetFrameScheduler()->GetPageScheduler();
EXPECT_FALSE(scheduler->OptedOutFromAggressiveThrottlingForTest());
// Creating the RTCPeerConnection doesn't disable throttling.
RTCPeerConnection* pc = CreatePC(scope);
EXPECT_EQ("", GetExceptionMessage(scope));
ASSERT_TRUE(pc);
EXPECT_FALSE(scheduler->OptedOutFromAggressiveThrottlingForTest());
// But creating a media stream track does.
MediaStreamTrack* track =
CreateTrack(scope, MediaStreamSource::kTypeAudio, "audioTrack");
HeapVector<Member<MediaStreamTrack>> tracks;
tracks.push_back(track);
MediaStream* stream =
MediaStream::Create(scope.GetExecutionContext(), tracks);
ASSERT_TRUE(stream);
EXPECT_TRUE(scheduler->OptedOutFromAggressiveThrottlingForTest());
// Stopping the track disables the opt-out.
track->stopTrack(scope.GetExecutionContext());
EXPECT_FALSE(scheduler->OptedOutFromAggressiveThrottlingForTest());
}
TEST_F(RTCPeerConnectionTest, GettingRtpTransportEarlySucceeds) {
V8TestingScope scope;
RTCPeerConnection* pc = CreatePC(scope);
EXPECT_NE(pc->rtpTransport(), nullptr);
EXPECT_EQ("", GetExceptionMessage(scope));
}
} // namespace blink
|
