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// Copyright 2015 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 "components/audio_modem/public/modem.h"
#include <vector>
#include "base/bind.h"
#include "base/macros.h"
#include "base/message_loop/message_loop.h"
#include "components/audio_modem/audio_player.h"
#include "components/audio_modem/audio_recorder.h"
#include "components/audio_modem/modem_impl.h"
#include "components/audio_modem/test/random_samples.h"
#include "components/audio_modem/test/stub_whispernet_client.h"
#include "media/base/audio_bus.h"
#include "testing/gtest/include/gtest/gtest.h"
namespace audio_modem {
class AudioPlayerStub final : public AudioPlayer {
public:
AudioPlayerStub() : is_playing_(false) {}
~AudioPlayerStub() override {}
// AudioPlayer overrides:
void Initialize() override {}
void Play(const scoped_refptr<media::AudioBusRefCounted>&) override {
is_playing_ = true;
}
void Stop() override { is_playing_ = false; }
void Finalize() override { delete this; }
bool IsPlaying() { return is_playing_; }
private:
bool is_playing_;
DISALLOW_COPY_AND_ASSIGN(AudioPlayerStub);
};
class AudioRecorderStub final : public AudioRecorder {
public:
AudioRecorderStub() : is_recording_(false) {}
~AudioRecorderStub() override {}
// AudioRecorder overrides:
void Initialize(const RecordedSamplesCallback& cb) override { cb_ = cb; }
void Record() override { is_recording_ = true; }
void Stop() override { is_recording_ = false; }
void Finalize() override { delete this; }
bool IsRecording() { return is_recording_; }
void TriggerDecodeRequest() {
if (!cb_.is_null())
cb_.Run(std::string(0x1337, 'a'));
}
private:
RecordedSamplesCallback cb_;
bool is_recording_;
DISALLOW_COPY_AND_ASSIGN(AudioRecorderStub);
};
class ModemTest : public testing::Test {
public:
ModemTest()
: modem_(new ModemImpl),
audible_player_(new AudioPlayerStub),
inaudible_player_(new AudioPlayerStub),
recorder_(new AudioRecorderStub),
last_received_decode_type_(AUDIO_TYPE_UNKNOWN) {
std::vector<AudioToken> tokens;
tokens.push_back(AudioToken("abcdef", true));
tokens.push_back(AudioToken("123456", false));
client_.reset(new StubWhispernetClient(
CreateRandomAudioRefCounted(0x123, 1, 0x321), tokens));
// TODO(ckehoe): Pass these into the Modem constructor instead.
modem_->set_player_for_testing(AUDIBLE, audible_player_);
modem_->set_player_for_testing(INAUDIBLE, inaudible_player_);
modem_->set_recorder_for_testing(recorder_);
modem_->Initialize(
client_.get(),
base::Bind(&ModemTest::GetTokens, base::Unretained(this)));
}
~ModemTest() override {}
protected:
void GetTokens(const std::vector<AudioToken>& tokens) {
last_received_decode_type_ = AUDIO_TYPE_UNKNOWN;
for (const auto& token : tokens) {
if (token.audible && last_received_decode_type_ == INAUDIBLE) {
last_received_decode_type_ = BOTH;
} else if (!token.audible && last_received_decode_type_ == AUDIBLE) {
last_received_decode_type_ = BOTH;
} else if (token.audible) {
last_received_decode_type_ = AUDIBLE;
} else {
last_received_decode_type_ = INAUDIBLE;
}
}
}
base::MessageLoop message_loop_;
// This order is important. The WhispernetClient needs to outlive the Modem.
scoped_ptr<WhispernetClient> client_;
scoped_ptr<ModemImpl> modem_;
// These will be deleted by the Modem's destructor calling finalize on them.
AudioPlayerStub* audible_player_;
AudioPlayerStub* inaudible_player_;
AudioRecorderStub* recorder_;
AudioType last_received_decode_type_;
private:
DISALLOW_COPY_AND_ASSIGN(ModemTest);
};
TEST_F(ModemTest, EncodeToken) {
modem_->StartPlaying(AUDIBLE);
// No token yet, player shouldn't be playing.
EXPECT_FALSE(audible_player_->IsPlaying());
modem_->SetToken(INAUDIBLE, "abcd");
// No *audible* token yet, so player still shouldn't be playing.
EXPECT_FALSE(audible_player_->IsPlaying());
modem_->SetToken(AUDIBLE, "abcd");
EXPECT_TRUE(audible_player_->IsPlaying());
}
TEST_F(ModemTest, Record) {
recorder_->TriggerDecodeRequest();
EXPECT_EQ(AUDIO_TYPE_UNKNOWN, last_received_decode_type_);
modem_->StartRecording(AUDIBLE);
recorder_->TriggerDecodeRequest();
EXPECT_EQ(AUDIBLE, last_received_decode_type_);
modem_->StartRecording(INAUDIBLE);
recorder_->TriggerDecodeRequest();
EXPECT_EQ(BOTH, last_received_decode_type_);
modem_->StopRecording(AUDIBLE);
recorder_->TriggerDecodeRequest();
EXPECT_EQ(INAUDIBLE, last_received_decode_type_);
}
} // namespace audio_modem
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