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// Copyright (c) 2012 The Chromium Authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#include <string>
#include "base/memory/scoped_ptr.h"
#include "base/message_loop.h"
#include "base/utf_string_conversions.h"
#include "content/renderer/media/mock_media_stream_dependency_factory.h"
#include "content/renderer/media/mock_media_stream_impl.h"
#include "content/renderer/media/mock_web_peer_connection_00_handler_client.h"
#include "content/renderer/media/mock_peer_connection_impl.h"
#include "content/renderer/media/peer_connection_handler_jsep.h"
#include "content/renderer/media/rtc_video_decoder.h"
#include "jingle/glue/thread_wrapper.h"
#include "testing/gtest/include/gtest/gtest.h"
#include "third_party/libjingle/source/talk/app/webrtc/peerconnection.h"
#include "third_party/WebKit/Source/WebKit/chromium/public/platform/WebICECandidateDescriptor.h"
#include "third_party/WebKit/Source/WebKit/chromium/public/platform/WebICEOptions.h"
#include "third_party/WebKit/Source/WebKit/chromium/public/platform/WebMediaHints.h"
#include "third_party/WebKit/Source/WebKit/chromium/public/platform/WebMediaStreamDescriptor.h"
#include "third_party/WebKit/Source/WebKit/chromium/public/platform/WebMediaStreamSource.h"
#include "third_party/WebKit/Source/WebKit/chromium/public/platform/WebSessionDescriptionDescriptor.h"
#include "third_party/WebKit/Source/WebKit/chromium/public/platform/WebString.h"
namespace webrtc {
class MockVideoRendererWrapper : public VideoRendererWrapperInterface {
public:
virtual cricket::VideoRenderer* renderer() OVERRIDE { return NULL; }
protected:
virtual ~MockVideoRendererWrapper() {}
};
} // namespace webrtc
TEST(PeerConnectionHandlerJsepTest, Basic) {
MessageLoop loop;
scoped_ptr<WebKit::MockWebPeerConnection00HandlerClient> mock_client(
new WebKit::MockWebPeerConnection00HandlerClient());
scoped_ptr<MockMediaStreamImpl> mock_ms_impl(new MockMediaStreamImpl());
scoped_ptr<MockMediaStreamDependencyFactory> mock_dependency_factory(
new MockMediaStreamDependencyFactory());
mock_dependency_factory->CreatePeerConnectionFactory(NULL,
NULL,
NULL,
NULL,
NULL);
scoped_ptr<PeerConnectionHandlerJsep> pc_handler(
new PeerConnectionHandlerJsep(mock_client.get(),
mock_ms_impl.get(),
mock_dependency_factory.get()));
WebKit::WebString server_config(
WebKit::WebString::fromUTF8("STUN stun.l.google.com:19302"));
WebKit::WebString username;
pc_handler->initialize(server_config, username);
EXPECT_TRUE(pc_handler->native_peer_connection_.get());
webrtc::MockPeerConnectionImpl* mock_peer_connection =
static_cast<webrtc::MockPeerConnectionImpl*>(
pc_handler->native_peer_connection_.get());
// Create offer.
WebKit::WebMediaHints hints;
hints.initialize(true, true);
WebKit::WebSessionDescriptionDescriptor offer =
pc_handler->createOffer(hints);
EXPECT_FALSE(offer.isNull());
EXPECT_EQ(std::string(mock_peer_connection->kDummyOffer),
UTF16ToUTF8(offer.initialSDP()));
EXPECT_EQ(hints.audio(), mock_peer_connection->hint_audio());
EXPECT_EQ(hints.video(), mock_peer_connection->hint_video());
// Create answer.
WebKit::WebString offer_string = "offer";
hints.reset();
hints.initialize(false, false);
WebKit::WebSessionDescriptionDescriptor answer =
pc_handler->createAnswer(offer_string, hints);
EXPECT_FALSE(answer.isNull());
EXPECT_EQ(UTF16ToUTF8(offer_string), UTF16ToUTF8(answer.initialSDP()));
EXPECT_EQ(UTF16ToUTF8(offer_string), mock_peer_connection->description_sdp());
EXPECT_EQ(hints.audio(), mock_peer_connection->hint_audio());
EXPECT_EQ(hints.video(), mock_peer_connection->hint_video());
// Set local description.
PeerConnectionHandlerJsep::Action action =
PeerConnectionHandlerJsep::ActionSDPOffer;
WebKit::WebSessionDescriptionDescriptor description;
WebKit::WebString sdp = "test sdp";
description.initialize(sdp);
EXPECT_TRUE(pc_handler->setLocalDescription(action, description));
EXPECT_EQ(webrtc::PeerConnectionInterface::kOffer,
mock_peer_connection->action());
EXPECT_EQ(UTF16ToUTF8(sdp), mock_peer_connection->description_sdp());
// Get local description.
description.reset();
description = pc_handler->localDescription();
EXPECT_FALSE(description.isNull());
EXPECT_EQ(UTF16ToUTF8(sdp), UTF16ToUTF8(description.initialSDP()));
// Set remote description.
action = PeerConnectionHandlerJsep::ActionSDPAnswer;
sdp = "test sdp 2";
description.reset();
description.initialize(sdp);
EXPECT_TRUE(pc_handler->setRemoteDescription(action, description));
EXPECT_EQ(webrtc::PeerConnectionInterface::kAnswer,
mock_peer_connection->action());
EXPECT_EQ(UTF16ToUTF8(sdp), mock_peer_connection->description_sdp());
// Get remote description.
description.reset();
description = pc_handler->remoteDescription();
EXPECT_FALSE(description.isNull());
EXPECT_EQ(UTF16ToUTF8(sdp), UTF16ToUTF8(description.initialSDP()));
// Start ICE.
WebKit::WebICEOptions options;
options.initialize(WebKit::WebICEOptions::CandidateTypeAll);
EXPECT_TRUE(pc_handler->startIce(options));
EXPECT_EQ(webrtc::PeerConnectionInterface::kUseAll,
mock_peer_connection->ice_options());
// Process ICE message.
WebKit::WebICECandidateDescriptor candidate;
WebKit::WebString label = "test label";
sdp = "test sdp";
candidate.initialize(label, sdp);
EXPECT_TRUE(pc_handler->processIceMessage(candidate));
EXPECT_EQ(UTF16ToUTF8(label), mock_peer_connection->ice_label());
EXPECT_EQ(UTF16ToUTF8(sdp), mock_peer_connection->ice_sdp());
// Add stream.
// TODO(grunell): Add an audio track as well.
std::string stream_label("stream-label");
std::string video_track_label("video-label");
talk_base::scoped_refptr<webrtc::LocalVideoTrackInterface> local_video_track(
mock_dependency_factory->CreateLocalVideoTrack(video_track_label, NULL));
mock_ms_impl->AddTrack(video_track_label, local_video_track);
WebKit::WebVector<WebKit::WebMediaStreamSource> source_vector(
static_cast<size_t>(1));
source_vector[0].initialize(WebKit::WebString::fromUTF8(video_track_label),
WebKit::WebMediaStreamSource::TypeVideo,
WebKit::WebString::fromUTF8("RemoteVideo"));
WebKit::WebMediaStreamDescriptor local_stream;
local_stream.initialize(UTF8ToUTF16(stream_label), source_vector);
pc_handler->addStream(local_stream);
EXPECT_EQ(stream_label, mock_peer_connection->stream_label());
EXPECT_TRUE(mock_peer_connection->stream_changes_committed());
// On add stream.
std::string remote_stream_label(stream_label);
remote_stream_label += "-remote";
std::string remote_video_track_label(video_track_label);
remote_video_track_label += "-remote";
// We use a local stream as a remote since for testing purposes we really
// only need the MediaStreamInterface.
talk_base::scoped_refptr<webrtc::LocalMediaStreamInterface> remote_stream(
mock_dependency_factory->CreateLocalMediaStream(remote_stream_label));
talk_base::scoped_refptr<webrtc::LocalVideoTrackInterface> remote_video_track(
mock_dependency_factory->CreateLocalVideoTrack(remote_video_track_label,
NULL));
remote_video_track->set_enabled(true);
remote_stream->AddTrack(remote_video_track);
mock_peer_connection->AddRemoteStream(remote_stream);
pc_handler->OnAddStream(remote_stream);
EXPECT_EQ(remote_stream_label, mock_client->stream_label());
// Set renderer.
EXPECT_TRUE(pc_handler->HasRemoteVideoTrack(remote_video_track_label));
talk_base::scoped_refptr<webrtc::MockVideoRendererWrapper> renderer(
new talk_base::RefCountedObject<webrtc::MockVideoRendererWrapper>());
pc_handler->SetRemoteVideoRenderer(remote_video_track_label, renderer);
EXPECT_EQ(renderer, static_cast<webrtc::MockLocalVideoTrack*>(
remote_video_track.get())->renderer());
// Remove stream.
WebKit::WebVector<WebKit::WebMediaStreamDescriptor> empty_streams(
static_cast<size_t>(0));
pc_handler->removeStream(local_stream);
EXPECT_EQ("", mock_peer_connection->stream_label());
mock_peer_connection->ClearStreamChangesCommitted();
EXPECT_TRUE(!mock_peer_connection->stream_changes_committed());
// On remove stream.
pc_handler->OnRemoveStream(remote_stream);
EXPECT_TRUE(mock_client->stream_label().empty());
// Add stream again.
pc_handler->addStream(local_stream);
EXPECT_EQ(stream_label, mock_peer_connection->stream_label());
EXPECT_TRUE(mock_peer_connection->stream_changes_committed());
// On state change.
mock_peer_connection->SetReadyState(webrtc::PeerConnectionInterface::kActive);
webrtc::PeerConnectionObserver::StateType state =
webrtc::PeerConnectionObserver::kReadyState;
pc_handler->OnStateChange(state);
EXPECT_EQ(WebKit::WebPeerConnection00HandlerClient::ReadyStateActive,
mock_client->ready_state());
// On ICE candidate.
std::string candidate_label = "test label";
std::string candidate_sdp = "test sdp";
scoped_ptr<webrtc::IceCandidateInterface> native_candidate(
mock_dependency_factory->CreateIceCandidate(candidate_label,
candidate_sdp));
pc_handler->OnIceCandidate(native_candidate.get());
EXPECT_EQ(candidate_label, mock_client->candidate_label());
EXPECT_EQ(candidate_sdp, mock_client->candidate_sdp());
EXPECT_TRUE(mock_client->more_to_follow());
// On ICE complete.
pc_handler->OnIceComplete();
EXPECT_TRUE(mock_client->candidate_label().empty());
EXPECT_TRUE(mock_client->candidate_sdp().empty());
EXPECT_FALSE(mock_client->more_to_follow());
// Stop.
pc_handler->stop();
EXPECT_FALSE(pc_handler->native_peer_connection_.get());
// PC handler is expected to be deleted when stop calls
// MediaStreamImpl::ClosePeerConnection. We own and delete it here instead of
// in the mock.
pc_handler.reset();
}
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