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// Copyright 2014 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/bind.h"
#include "base/message_loop/message_loop.h"
#include "base/strings/utf_string_conversions.h"
#include "content/child/child_process.h"
#include "content/renderer/media/media_stream_video_capturer_source.h"
#include "content/renderer/media/media_stream_video_track.h"
#include "content/renderer/media/mock_media_constraint_factory.h"
#include "testing/gmock/include/gmock/gmock.h"
#include "testing/gtest/include/gtest/gtest.h"
namespace content {
class MockVideoCapturerDelegate : public VideoCapturerDelegate {
public:
explicit MockVideoCapturerDelegate(const StreamDeviceInfo& device_info)
: VideoCapturerDelegate(device_info) {}
MOCK_METHOD3(StartCapture,
void(const media::VideoCaptureParams& params,
const VideoCaptureDeliverFrameCB& new_frame_callback,
const RunningCallback& running_callback));
MOCK_METHOD0(StopCapture, void());
private:
virtual ~MockVideoCapturerDelegate() {}
};
class MediaStreamVideoCapturerSourceTest : public testing::Test {
public:
MediaStreamVideoCapturerSourceTest()
: child_process_(new ChildProcess()),
source_(NULL) {
}
void InitWithDeviceInfo(const StreamDeviceInfo& device_info) {
delegate_ = new MockVideoCapturerDelegate(device_info);
source_ = new MediaStreamVideoCapturerSource(
device_info,
MediaStreamSource::SourceStoppedCallback(),
delegate_);
webkit_source_.initialize(base::UTF8ToUTF16("dummy_source_id"),
blink::WebMediaStreamSource::TypeVideo,
base::UTF8ToUTF16("dummy_source_name"));
webkit_source_.setExtraData(source_);
}
blink::WebMediaStreamTrack StartSource() {
MockMediaConstraintFactory factory;
bool enabled = true;
// CreateVideoTrack will trigger OnConstraintsApplied.
return MediaStreamVideoTrack::CreateVideoTrack(
source_, factory.CreateWebMediaConstraints(),
base::Bind(
&MediaStreamVideoCapturerSourceTest::OnConstraintsApplied,
base::Unretained(this)),
enabled);
}
MockVideoCapturerDelegate& mock_delegate() {
return *static_cast<MockVideoCapturerDelegate*>(delegate_.get());
}
protected:
void OnConstraintsApplied(MediaStreamSource* source, bool success) {
}
base::MessageLoop message_loop_;
scoped_ptr<ChildProcess> child_process_;
blink::WebMediaStreamSource webkit_source_;
MediaStreamVideoCapturerSource* source_; // owned by webkit_source.
scoped_refptr<VideoCapturerDelegate> delegate_;
};
TEST_F(MediaStreamVideoCapturerSourceTest, TabCaptureAllowResolutionChange) {
StreamDeviceInfo device_info;
device_info.device.type = MEDIA_TAB_VIDEO_CAPTURE;
InitWithDeviceInfo(device_info);
EXPECT_CALL(mock_delegate(), StartCapture(
testing::Field(&media::VideoCaptureParams::allow_resolution_change, true),
testing::_,
testing::_)).Times(1);
blink::WebMediaStreamTrack track = StartSource();
// When the track goes out of scope, the source will be stopped.
EXPECT_CALL(mock_delegate(), StopCapture());
}
TEST_F(MediaStreamVideoCapturerSourceTest,
DesktopCaptureAllowResolutionChange) {
StreamDeviceInfo device_info;
device_info.device.type = MEDIA_DESKTOP_VIDEO_CAPTURE;
InitWithDeviceInfo(device_info);
EXPECT_CALL(mock_delegate(), StartCapture(
testing::Field(&media::VideoCaptureParams::allow_resolution_change, true),
testing::_,
testing::_)).Times(1);
blink::WebMediaStreamTrack track = StartSource();
// When the track goes out of scope, the source will be stopped.
EXPECT_CALL(mock_delegate(), StopCapture());
}
TEST_F(MediaStreamVideoCapturerSourceTest, Ended) {
StreamDeviceInfo device_info;
device_info.device.type = MEDIA_DESKTOP_VIDEO_CAPTURE;
delegate_ = new VideoCapturerDelegate(device_info);
source_ = new MediaStreamVideoCapturerSource(
device_info,
MediaStreamSource::SourceStoppedCallback(),
delegate_);
webkit_source_.initialize(base::UTF8ToUTF16("dummy_source_id"),
blink::WebMediaStreamSource::TypeVideo,
base::UTF8ToUTF16("dummy_source_name"));
webkit_source_.setExtraData(source_);
blink::WebMediaStreamTrack track = StartSource();
message_loop_.RunUntilIdle();
delegate_->OnStateUpdateOnRenderThread(VIDEO_CAPTURE_STATE_STARTED);
message_loop_.RunUntilIdle();
EXPECT_EQ(blink::WebMediaStreamSource::ReadyStateLive,
webkit_source_.readyState());
delegate_->OnStateUpdateOnRenderThread(VIDEO_CAPTURE_STATE_ERROR);
message_loop_.RunUntilIdle();
EXPECT_EQ(blink::WebMediaStreamSource::ReadyStateEnded,
webkit_source_.readyState());
}
} // namespace content
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