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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 "base/memory/scoped_ptr.h"
#include "base/message_loop.h"
#include "base/utf_string_conversions.h"
#include "content/renderer/media/media_stream_extra_data.h"
#include "content/renderer/media/media_stream_impl.h"
#include "content/renderer/media/mock_media_stream_dependency_factory.h"
#include "content/renderer/media/mock_media_stream_dispatcher.h"
#include "content/renderer/media/video_capture_impl_manager.h"
#include "media/base/video_decoder.h"
#include "media/base/message_loop_factory.h"
#include "testing/gtest/include/gtest/gtest.h"
#include "third_party/WebKit/Source/WebKit/chromium/public/platform/WebMediaStreamComponent.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/WebString.h"
#include "third_party/WebKit/Source/WebKit/chromium/public/platform/WebVector.h"
namespace content {
class MediaStreamImplUnderTest : public MediaStreamImpl {
public:
MediaStreamImplUnderTest(MediaStreamDispatcher* media_stream_dispatcher,
VideoCaptureImplManager* vc_manager,
MediaStreamDependencyFactory* dependency_factory)
: MediaStreamImpl(NULL, media_stream_dispatcher, vc_manager,
dependency_factory) {
}
virtual void CompleteGetUserMediaRequest(
const WebKit::WebMediaStreamDescriptor& stream,
WebKit::WebUserMediaRequest* request) {
last_generated_stream_ = stream;
}
virtual WebKit::WebMediaStreamDescriptor GetMediaStream(const GURL& url) {
return last_generated_stream_;
}
const WebKit::WebMediaStreamDescriptor& last_generated_stream() {
return last_generated_stream_;
}
using MediaStreamImpl::OnLocalMediaStreamStop;
private:
WebKit::WebMediaStreamDescriptor last_generated_stream_;
};
class MediaStreamImplTest : public ::testing::Test {
public:
void SetUp() {
// Create our test object.
ms_dispatcher_.reset(new MockMediaStreamDispatcher());
scoped_refptr<VideoCaptureImplManager> vc_manager(
new VideoCaptureImplManager());
dependency_factory_.reset(new MockMediaStreamDependencyFactory());
ms_impl_.reset(new MediaStreamImplUnderTest(ms_dispatcher_.get(),
vc_manager.get(),
dependency_factory_.get()));
}
WebKit::WebMediaStreamDescriptor RequestLocalMediaStream(bool audio,
bool video) {
WebKit::WebUserMediaRequest user_media_request;
WebKit::WebVector<WebKit::WebMediaStreamSource> audio_sources(
audio ? static_cast<size_t>(1) : 0);
WebKit::WebVector<WebKit::WebMediaStreamSource> video_sources(
video ? static_cast<size_t>(1) : 0);
ms_impl_->requestUserMedia(user_media_request, audio_sources,
video_sources);
ms_impl_->OnStreamGenerated(ms_dispatcher_->request_id(),
ms_dispatcher_->stream_label(),
ms_dispatcher_->audio_array(),
ms_dispatcher_->video_array());
WebKit::WebMediaStreamDescriptor desc = ms_impl_->last_generated_stream();
content::MediaStreamExtraData* extra_data =
static_cast<content::MediaStreamExtraData*>(desc.extraData());
if (!extra_data || !extra_data->local_stream()) {
ADD_FAILURE();
return desc;
}
if (audio)
EXPECT_EQ(1u, extra_data->local_stream()->audio_tracks()->count());
if (video)
EXPECT_EQ(1u, extra_data->local_stream()->video_tracks()->count());
if (audio && video) {
EXPECT_NE(extra_data->local_stream()->audio_tracks()->at(0)->label(),
extra_data->local_stream()->video_tracks()->at(0)->label());
}
return desc;
}
protected:
scoped_ptr<MockMediaStreamDispatcher> ms_dispatcher_;
scoped_ptr<MediaStreamImplUnderTest> ms_impl_;
scoped_ptr<MockMediaStreamDependencyFactory> dependency_factory_;
};
TEST_F(MediaStreamImplTest, LocalMediaStream) {
// Test a stream with both audio and video.
WebKit::WebMediaStreamDescriptor mixed_desc = RequestLocalMediaStream(true,
true);
// Create a renderer for the stream.
scoped_ptr<media::MessageLoopFactory> message_loop_factory(
new media::MessageLoopFactory());
scoped_refptr<media::VideoDecoder> mixed_decoder(
ms_impl_->GetVideoDecoder(GURL(), message_loop_factory.get()));
EXPECT_TRUE(mixed_decoder.get() != NULL);
// Test a stream with audio only.
WebKit::WebMediaStreamDescriptor audio_desc = RequestLocalMediaStream(true,
false);
scoped_refptr<media::VideoDecoder> audio_decoder(
ms_impl_->GetVideoDecoder(GURL(), message_loop_factory.get()));
EXPECT_TRUE(audio_decoder.get() == NULL);
// Test a stream with video only.
WebKit::WebMediaStreamDescriptor video_desc = RequestLocalMediaStream(false,
true);
scoped_refptr<media::VideoDecoder> video_decoder(
ms_impl_->GetVideoDecoder(GURL(), message_loop_factory.get()));
EXPECT_TRUE(video_decoder.get() != NULL);
// Stop generated local streams.
ms_impl_->OnLocalMediaStreamStop(mixed_desc.label().utf8());
EXPECT_EQ(1, ms_dispatcher_->stop_stream_counter());
ms_impl_->OnLocalMediaStreamStop(audio_desc.label().utf8());
EXPECT_EQ(2, ms_dispatcher_->stop_stream_counter());
// Test that the MediaStreams are deleted if the owning WebFrame is deleted.
// In the unit test the owning frame is NULL.
ms_impl_->FrameWillClose(NULL);
EXPECT_EQ(3, ms_dispatcher_->stop_stream_counter());
}
} // namespace content
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