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// Copyright 2023 The Chromium Authors
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#include "ash/system/audio/unified_volume_slider_controller.h"
#include <memory>
#include "ash/shell.h"
#include "ash/system/audio/unified_volume_view.h"
#include "ash/test/ash_test_base.h"
#include "base/test/metrics/histogram_tester.h"
#include "base/test/task_environment.h"
#include "base/time/time.h"
#include "chromeos/ash/components/audio/cras_audio_handler.h"
#include "ui/views/controls/slider.h"
#include "ui/views/view.h"
#include "ui/views/widget/widget.h"
namespace ash {
class FakeDelegate : public UnifiedVolumeSliderController::Delegate {
public:
FakeDelegate() = default;
~FakeDelegate() override = default;
void OnAudioSettingsButtonClicked() override {}
};
class UnifiedVolumeSliderControllerTest : public AshTestBase {
public:
UnifiedVolumeSliderControllerTest()
: AshTestBase(base::test::TaskEnvironment::TimeSource::MOCK_TIME) {}
UnifiedVolumeSliderControllerTest(const UnifiedVolumeSliderControllerTest&) =
delete;
UnifiedVolumeSliderControllerTest& operator=(
const UnifiedVolumeSliderControllerTest&) = delete;
~UnifiedVolumeSliderControllerTest() override = default;
void SetUp() override {
AshTestBase::SetUp();
delegate_ = std::make_unique<FakeDelegate>();
unified_volume_slider_controller_ =
std::make_unique<UnifiedVolumeSliderController>(delegate_.get());
widget_ = CreateFramelessTestWidget();
widget_->SetFullscreen(true);
slider_view_ = unified_volume_slider_controller_->CreateView();
widget_->SetContentsView(slider_view_.get());
}
void TearDown() override {
slider_view_.reset();
widget_.reset();
AshTestBase::TearDown();
}
protected:
void UpdateSliderValue(float new_value) {
unified_volume_slider_controller_->SliderValueChanged(
/*sender=*/nullptr, new_value,
/*old_value=*/0, views::SliderChangeReason::kByUser);
}
void PressSliderButton() {
LeftClickOn(static_cast<UnifiedVolumeView*>(slider_view_.get())->button());
}
base::HistogramTester histogram_tester_;
private:
std::unique_ptr<UnifiedVolumeSliderController>
unified_volume_slider_controller_;
std::unique_ptr<FakeDelegate> delegate_;
std::unique_ptr<views::View> slider_view_;
std::unique_ptr<views::Widget> widget_;
};
// Verify moving the slider and changing the output volume is recorded to
// metrics.
TEST_F(UnifiedVolumeSliderControllerTest, RecordOutputVolumeChangedSource) {
// Move the slider 3 times. Move the slider at half of the delay interval
// time so each change shouldn't be recorded.
UpdateSliderValue(/*new_value=*/10);
task_environment()->FastForwardBy(
CrasAudioHandler::kMetricsDelayTimerInterval / 2);
UpdateSliderValue(/*new_value=*/20);
task_environment()->FastForwardBy(
CrasAudioHandler::kMetricsDelayTimerInterval / 2);
histogram_tester_.ExpectBucketCount(
CrasAudioHandler::kOutputVolumeChangedSourceHistogramName,
CrasAudioHandler::AudioSettingsChangeSource::kSystemTray, 0);
UpdateSliderValue(/*new_value=*/30);
task_environment()->FastForwardBy(
CrasAudioHandler::kMetricsDelayTimerInterval);
histogram_tester_.ExpectBucketCount(
CrasAudioHandler::kOutputVolumeChangedSourceHistogramName,
CrasAudioHandler::AudioSettingsChangeSource::kSystemTray, 1);
// Move the slider up 2 times. Move the slider at half of the delay interval
// time so each change shouldn't be recorded.
UpdateSliderValue(/*new_value=*/50);
task_environment()->FastForwardBy(
CrasAudioHandler::kMetricsDelayTimerInterval / 2);
histogram_tester_.ExpectBucketCount(
CrasAudioHandler::kOutputVolumeChangedSourceHistogramName,
CrasAudioHandler::AudioSettingsChangeSource::kSystemTray, 1);
UpdateSliderValue(/*new_value=*/100);
task_environment()->FastForwardBy(
CrasAudioHandler::kMetricsDelayTimerInterval);
histogram_tester_.ExpectBucketCount(
CrasAudioHandler::kOutputVolumeChangedSourceHistogramName,
CrasAudioHandler::AudioSettingsChangeSource::kSystemTray, 2);
}
} // namespace ash
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