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// Copyright 2021 The Chromium Authors
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#include "remoting/protocol/webrtc_video_track_source.h"
#include <memory>
#include <utility>
#include "base/functional/callback_helpers.h"
#include "base/test/mock_callback.h"
#include "base/test/task_environment.h"
#include "testing/gmock/include/gmock/gmock.h"
#include "testing/gtest/include/gtest/gtest.h"
#include "third_party/webrtc/modules/desktop_capture/desktop_frame.h"
#include "third_party/webrtc/modules/desktop_capture/desktop_geometry.h"
#include "third_party/webrtc/rtc_base/ref_counted_object.h"
using testing::Field;
using testing::InSequence;
using testing::Property;
using webrtc::BasicDesktopFrame;
using webrtc::DesktopSize;
using webrtc::VideoFrame;
namespace remoting::protocol {
namespace {
class MockVideoSink : public webrtc::VideoSinkInterface<VideoFrame> {
public:
~MockVideoSink() override = default;
MOCK_METHOD(void, OnFrame, (const VideoFrame& frame), (override));
};
} // namespace
class WebrtcVideoTrackSourceTest : public testing::Test {
public:
WebrtcVideoTrackSourceTest() = default;
protected:
base::test::SingleThreadTaskEnvironment task_environment_{
base::test::TaskEnvironment::TimeSource::MOCK_TIME};
MockVideoSink video_sink_;
base::MockCallback<WebrtcVideoTrackSource::AddSinkCallback>
add_sink_callback_;
};
TEST_F(WebrtcVideoTrackSourceTest, AddSinkTriggersCallback) {
EXPECT_CALL(add_sink_callback_,
Run(Field(&webrtc::VideoSinkWants::max_framerate_fps, 123)));
webrtc::scoped_refptr<webrtc::VideoTrackSourceInterface> source(
new webrtc::RefCountedObject<WebrtcVideoTrackSource>(
add_sink_callback_.Get()));
webrtc::VideoSinkWants wants;
wants.max_framerate_fps = 123;
source->AddOrUpdateSink(&video_sink_, wants);
task_environment_.FastForwardUntilNoTasksRemain();
}
TEST_F(WebrtcVideoTrackSourceTest, CapturedFrameSentToAddedSink) {
auto frame = std::make_unique<BasicDesktopFrame>(DesktopSize(123, 234));
EXPECT_CALL(video_sink_, OnFrame(Property(&VideoFrame::width, 123)));
webrtc::scoped_refptr<WebrtcVideoTrackSource> source(
new webrtc::RefCountedObject<WebrtcVideoTrackSource>(
add_sink_callback_.Get()));
source->AddOrUpdateSink(&video_sink_, webrtc::VideoSinkWants());
source->SendCapturedFrame(std::move(frame), nullptr);
task_environment_.FastForwardUntilNoTasksRemain();
}
TEST_F(WebrtcVideoTrackSourceTest, FramesHaveIncrementingIds) {
{
InSequence s;
EXPECT_CALL(video_sink_, OnFrame(Property(&VideoFrame::id, 0)));
EXPECT_CALL(video_sink_, OnFrame(Property(&VideoFrame::id, 1)));
EXPECT_CALL(video_sink_, OnFrame(Property(&VideoFrame::id, 2)));
}
webrtc::scoped_refptr<WebrtcVideoTrackSource> source(
new webrtc::RefCountedObject<WebrtcVideoTrackSource>(
add_sink_callback_.Get()));
source->AddOrUpdateSink(&video_sink_, webrtc::VideoSinkWants());
source->SendCapturedFrame(
std::make_unique<BasicDesktopFrame>(DesktopSize(100, 100)), nullptr);
source->SendCapturedFrame(
std::make_unique<BasicDesktopFrame>(DesktopSize(100, 100)), nullptr);
source->SendCapturedFrame(
std::make_unique<BasicDesktopFrame>(DesktopSize(100, 100)), nullptr);
task_environment_.FastForwardUntilNoTasksRemain();
}
} // namespace remoting::protocol
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