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// Copyright (c) 2011 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 "remoting/host/screen_recorder.h"
#include "base/bind.h"
#include "base/message_loop.h"
#include "base/task.h"
#include "remoting/base/base_mock_objects.h"
#include "remoting/host/host_mock_objects.h"
#include "remoting/proto/video.pb.h"
#include "remoting/protocol/protocol_mock_objects.h"
#include "testing/gmock/include/gmock/gmock.h"
#include "testing/gtest/include/gtest/gtest.h"
using ::remoting::protocol::MockConnectionToClient;
using ::remoting::protocol::MockConnectionToClientEventHandler;
using ::remoting::protocol::MockHostStub;
using ::remoting::protocol::MockSession;
using ::remoting::protocol::MockVideoStub;
using ::testing::_;
using ::testing::AtLeast;
using ::testing::DeleteArg;
using ::testing::DoAll;
using ::testing::InSequence;
using ::testing::InvokeWithoutArgs;
using ::testing::Return;
using ::testing::SaveArg;
namespace remoting {
namespace {
ACTION_P2(RunCallback, region, data) {
SkRegion& dirty_region = data->mutable_dirty_region();
dirty_region.op(region, SkRegion::kUnion_Op);
arg0.Run(data);
}
ACTION(FinishEncode) {
scoped_ptr<VideoPacket> packet(new VideoPacket());
packet->set_flags(VideoPacket::LAST_PACKET | VideoPacket::LAST_PARTITION);
arg2.Run(packet.release());
}
ACTION(FinishSend) {
arg1.Run();
}
// Helper method to quit the main message loop.
void QuitMessageLoop(MessageLoop* message_loop) {
message_loop->PostTask(FROM_HERE, new MessageLoop::QuitTask());
}
ACTION_P2(StopScreenRecorder, recorder, task) {
recorder->Stop(task);
}
} // namespace
static const int kWidth = 640;
static const int kHeight = 480;
static const media::VideoFrame::Format kFormat = media::VideoFrame::RGB32;
static const VideoPacketFormat::Encoding kEncoding =
VideoPacketFormat::ENCODING_VERBATIM;
class ScreenRecorderTest : public testing::Test {
public:
ScreenRecorderTest() {
}
virtual void SetUp() {
// Capturer and Encoder are owned by ScreenRecorder.
encoder_ = new MockEncoder();
session_ = new MockSession();
EXPECT_CALL(*session_, SetStateChangeCallback(_));
connection_ = new MockConnectionToClient(
session_, &host_stub_, &event_executor_);
connection_->SetEventHandler(&handler_);
record_ = new ScreenRecorder(
&message_loop_, &message_loop_,
base::MessageLoopProxy::current(),
&capturer_, encoder_);
}
virtual void TearDown() OVERRIDE {
record_ = NULL;
connection_ = NULL;
// Run message loop before destroying because protocol::Session is
// destroyed asynchronously.
message_loop_.RunAllPending();
}
protected:
MessageLoop message_loop_;
scoped_refptr<ScreenRecorder> record_;
MockConnectionToClientEventHandler handler_;
MockHostStub host_stub_;
MockEventExecutor event_executor_;
MockSession* session_; // Owned by |connection_|.
scoped_refptr<MockConnectionToClient> connection_;
// The following mock objects are owned by ScreenRecorder.
MockCapturer capturer_;
MockEncoder* encoder_;
private:
DISALLOW_COPY_AND_ASSIGN(ScreenRecorderTest);
};
// This test mocks capturer, encoder and network layer to simulate one recording
// cycle. When the first encoded packet is submitted to the network
// ScreenRecorder is instructed to come to a complete stop. We expect the stop
// sequence to be executed successfully.
TEST_F(ScreenRecorderTest, StartAndStop) {
SkRegion update_region(SkIRect::MakeXYWH(0, 0, 10, 10));
DataPlanes planes;
for (int i = 0; i < DataPlanes::kPlaneCount; ++i) {
planes.data[i] = reinterpret_cast<uint8*>(i);
planes.strides[i] = kWidth * 4;
}
SkISize size(SkISize::Make(kWidth, kHeight));
scoped_refptr<CaptureData> data(new CaptureData(planes, size, kFormat));
EXPECT_CALL(capturer_, InvalidateFullScreen());
// First the capturer is called.
EXPECT_CALL(capturer_, CaptureInvalidRegion(_))
.WillRepeatedly(RunCallback(update_region, data));
// Expect the encoder be called.
EXPECT_CALL(*encoder_, Encode(data, false, _))
.WillRepeatedly(FinishEncode());
MockVideoStub video_stub;
EXPECT_CALL(*connection_, video_stub())
.WillRepeatedly(Return(&video_stub));
// By default delete the arguments when ProcessVideoPacket is received.
EXPECT_CALL(video_stub, ProcessVideoPacket(_, _))
.WillRepeatedly(FinishSend());
// For the first time when ProcessVideoPacket is received we stop the
// ScreenRecorder.
EXPECT_CALL(video_stub, ProcessVideoPacket(_, _))
.WillOnce(DoAll(
FinishSend(),
StopScreenRecorder(record_,
base::Bind(&QuitMessageLoop, &message_loop_))))
.RetiresOnSaturation();
// Add the mock client connection to the session.
record_->AddConnection(connection_);
// Start the recording.
record_->Start();
message_loop_.Run();
}
TEST_F(ScreenRecorderTest, StopWithoutStart) {
record_->Stop(base::Bind(&QuitMessageLoop, &message_loop_));
message_loop_.Run();
}
} // namespace remoting
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