gecko-dev/third_party/libwebrtc/webrtc/test/mock_voice_engine.h

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/*
* Copyright (c) 2015 The WebRTC project authors. All Rights Reserved.
*
* Use of this source code is governed by a BSD-style license
* that can be found in the LICENSE file in the root of the source
* tree. An additional intellectual property rights grant can be found
* in the file PATENTS. All contributing project authors may
* be found in the AUTHORS file in the root of the source tree.
*/
#ifndef AUDIO_MOCK_VOICE_ENGINE_H_
#define AUDIO_MOCK_VOICE_ENGINE_H_
#include <memory>
#include "modules/audio_device/include/mock_audio_transport.h"
#include "modules/rtp_rtcp/mocks/mock_rtp_rtcp.h"
#include "test/gmock.h"
#include "test/mock_voe_channel_proxy.h"
#include "voice_engine/voice_engine_impl.h"
namespace webrtc {
namespace voe {
class TransmitMixer;
} // namespace voe
namespace test {
// NOTE: This class inherits from VoiceEngineImpl so that its clients will be
// able to get the various interfaces as usual, via T::GetInterface().
class MockVoiceEngine : public VoiceEngineImpl {
public:
// TODO(nisse): Valid overrides commented out, because the gmock
// methods don't use any override declarations, and we want to avoid
// warnings from -Winconsistent-missing-override. See
// http://crbug.com/428099.
MockVoiceEngine(
rtc::scoped_refptr<AudioDecoderFactory> decoder_factory = nullptr)
: decoder_factory_(decoder_factory) {
// Increase ref count so this object isn't automatically deleted whenever
// interfaces are Release():d.
++_ref_count;
// We add this default behavior to make the mock easier to use in tests. It
// will create a NiceMock of a voe::ChannelProxy.
// TODO(ossu): As long as AudioReceiveStream is implemented as a wrapper
// around Channel, we need to make sure ChannelProxy returns the same
// decoder factory as the one passed in when creating an AudioReceiveStream.
ON_CALL(*this, ChannelProxyFactory(testing::_))
.WillByDefault(testing::Invoke([this](int channel_id) {
auto* proxy =
new testing::NiceMock<webrtc::test::MockVoEChannelProxy>();
EXPECT_CALL(*proxy, GetAudioDecoderFactory())
.WillRepeatedly(testing::ReturnRef(decoder_factory_));
EXPECT_CALL(*proxy, SetReceiveCodecs(testing::_))
.WillRepeatedly(testing::Invoke(
[](const std::map<int, SdpAudioFormat>& codecs) {
EXPECT_THAT(codecs, testing::IsEmpty());
}));
EXPECT_CALL(*proxy, GetRtpRtcp(testing::_, testing::_))
.WillRepeatedly(
testing::SetArgPointee<0>(GetMockRtpRtcp(channel_id)));
return proxy;
}));
ON_CALL(*this, audio_transport())
.WillByDefault(testing::Return(&mock_audio_transport_));
}
virtual ~MockVoiceEngine() /* override */ {
// Decrease ref count before base class d-tor is called; otherwise it will
// trigger an assertion.
--_ref_count;
}
// These need to be the same each call to channel_id and must not leak.
MockRtpRtcp* GetMockRtpRtcp(int channel_id) {
if (mock_rtp_rtcps_.find(channel_id) == mock_rtp_rtcps_.end()) {
mock_rtp_rtcps_[channel_id].reset(new ::testing::NiceMock<MockRtpRtcp>);
}
return mock_rtp_rtcps_[channel_id].get();
}
// Allows injecting a ChannelProxy factory.
MOCK_METHOD1(ChannelProxyFactory, voe::ChannelProxy*(int channel_id));
// VoiceEngineImpl
virtual std::unique_ptr<voe::ChannelProxy> GetChannelProxy(
int channel_id) /* override */ {
return std::unique_ptr<voe::ChannelProxy>(ChannelProxyFactory(channel_id));
}
// VoEBase
MOCK_METHOD3(
Init,
int(AudioDeviceModule* external_adm,
AudioProcessing* external_apm,
const rtc::scoped_refptr<AudioDecoderFactory>& decoder_factory));
MOCK_METHOD0(transmit_mixer, voe::TransmitMixer*());
MOCK_METHOD0(Terminate, void());
MOCK_METHOD0(CreateChannel, int());
MOCK_METHOD1(CreateChannel, int(const ChannelConfig& config));
MOCK_METHOD1(DeleteChannel, int(int channel));
MOCK_METHOD1(StartPlayout, int(int channel));
MOCK_METHOD1(StopPlayout, int(int channel));
MOCK_METHOD1(StartSend, int(int channel));
MOCK_METHOD1(StopSend, int(int channel));
MOCK_METHOD0(audio_transport, AudioTransport*());
private:
// TODO(ossu): I'm not particularly happy about keeping the decoder factory
// here, but due to how gmock is implemented, I cannot just keep it in the
// functor implementing the default version of ChannelProxyFactory, above.
// GMock creates an unfortunate copy of the functor, which would cause us to
// return a dangling reference. Fortunately, this should go away once
// voe::Channel does.
rtc::scoped_refptr<AudioDecoderFactory> decoder_factory_;
std::map<int, std::unique_ptr<MockRtpRtcp>> mock_rtp_rtcps_;
MockAudioTransport mock_audio_transport_;
};
} // namespace test
} // namespace webrtc
#endif // AUDIO_MOCK_VOICE_ENGINE_H_