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// Copyright 2022 The Chromium Authors
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#ifndef CHROMEOS_ASH_COMPONENTS_AUDIO_AUDIO_DEVICE_SELECTION_TEST_BASE_H_
#define CHROMEOS_ASH_COMPONENTS_AUDIO_AUDIO_DEVICE_SELECTION_TEST_BASE_H_
#include <inttypes.h>
#include "base/memory/raw_ptr.h"
#include "base/test/metrics/histogram_tester.h"
#include "base/test/task_environment.h"
#include "chromeos/ash/components/audio/cras_audio_handler.h"
#include "chromeos/ash/components/dbus/audio/fake_cras_audio_client.h"
#include "components/prefs/testing_pref_service.h"
#include "testing/gtest/include/gtest/gtest.h"
namespace ash {
class ActiveNodeObserver;
class AudioDeviceSelectionTestBase : public testing::Test {
public:
AudioDeviceSelectionTestBase();
~AudioDeviceSelectionTestBase() override;
protected:
void SetUp() override;
void TearDown() override;
// Register audio devices available in each test case.
// Each call to NewInputNode or NewOutputNode returns an AudioNode
// with an auto-incremented node ID, starting at 1.
AudioNode NewInputNode(const std::string& type) {
return NewNode(true, type);
}
AudioNode NewOutputNode(const std::string& type) {
return NewNode(false, type);
}
AudioNode NewNodeWithName(bool is_input,
const std::string& type,
const std::string& name);
void Plug(AudioNode node);
void Unplug(const AudioNode& node);
void Select(const AudioNode& node);
void SystemBootsWith(const AudioNodeList& new_nodes);
uint64_t ActiveInputNodeId();
uint64_t ActiveOutputNodeId();
void FastForwardBy(base::TimeDelta delta) {
task_environment_.FastForwardBy(delta);
}
const base::HistogramTester& histogram_tester() { return histogram_tester_; }
private:
AudioNode NewNode(bool is_input, const std::string& type);
protected:
scoped_refptr<AudioDevicesPrefHandler> audio_pref_handler_;
private:
// Test services
std::unique_ptr<ActiveNodeObserver> active_node_observer_;
base::test::SingleThreadTaskEnvironment task_environment_{
base::test::TaskEnvironment::TimeSource::MOCK_TIME};
raw_ptr<CrasAudioHandler, DanglingUntriaged> cras_audio_handler_ =
nullptr; // Not owned.
raw_ptr<FakeCrasAudioClient, DanglingUntriaged> fake_cras_audio_client_ =
nullptr; // Not owned.
std::unique_ptr<TestingPrefServiceSimple> pref_service_;
// Counters
uint64_t node_count_ = 0;
uint64_t plugged_time_ = 0;
base::HistogramTester histogram_tester_;
};
} // namespace ash
#endif // CHROMEOS_ASH_COMPONENTS_AUDIO_AUDIO_DEVICE_SELECTION_TEST_BASE_H_
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