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// Copyright 2024 The Chromium Authors
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#include "chrome/browser/ui/performance_controls/performance_controls_metrics.h"
#include <memory>
#include "base/memory/raw_ptr.h"
#include "base/test/metrics/histogram_tester.h"
#include "base/test/scoped_feature_list.h"
#include "base/time/time.h"
#include "base/values.h"
#include "chrome/browser/browser_process.h"
#include "chrome/browser/performance_manager/public/user_tuning/performance_detection_manager.h"
#include "chrome/browser/ui/performance_controls/performance_intervention_button_controller.h"
#include "chrome/common/pref_names.h"
#include "chrome/test/base/scoped_testing_local_state.h"
#include "chrome/test/base/testing_browser_process.h"
#include "chrome/test/base/testing_profile.h"
#include "components/performance_manager/public/features.h"
#include "components/performance_manager/public/user_tuning/prefs.h"
#include "components/prefs/testing_pref_service.h"
#include "content/public/test/test_renderer_host.h"
#include "testing/gtest/include/gtest/gtest.h"
namespace {
using performance_manager::user_tuning::PerformanceDetectionManager;
}
class PerformanceControlsMetricsTest
: public content::RenderViewHostTestHarness {
public:
PerformanceControlsMetricsTest()
: RenderViewHostTestHarness(
base::test::TaskEnvironment::TimeSource::MOCK_TIME) {}
std::unique_ptr<content::BrowserContext> CreateBrowserContext() override {
return std::make_unique<TestingProfile>();
}
TestingPrefServiceSimple* prefs() {
return scoped_testing_local_state_.Get();
}
private:
ScopedTestingLocalState scoped_testing_local_state_{
TestingBrowserProcess::GetGlobal()};
};
TEST_F(PerformanceControlsMetricsTest, DailyMetricsResets) {
base::HistogramTester histogram_tester;
const std::string message_count_histogram_name =
"PerformanceControls.Intervention.BackgroundTab.Cpu.MessageShownCount";
const std::string rate_limited_histogram_name =
"PerformanceControls.Intervention.BackgroundTab.Cpu.RateLimitedCount";
PrefService* const pref_service = prefs();
std::unique_ptr<PerformanceInterventionMetricsReporter> daily_metrics =
std::make_unique<PerformanceInterventionMetricsReporter>(pref_service);
EXPECT_EQ(0, pref_service->GetInteger(
prefs::kPerformanceInterventionBackgroundCpuMessageCount));
histogram_tester.ExpectBucketCount(message_count_histogram_name, 1, 0);
histogram_tester.ExpectBucketCount(rate_limited_histogram_name, 1, 0);
RecordInterventionMessageCount(
PerformanceDetectionManager::ResourceType::kCpu, pref_service);
// Only the pref count should increment when we record a message count since
// the histogram should record the value only after each day.
EXPECT_EQ(1, pref_service->GetInteger(
prefs::kPerformanceInterventionBackgroundCpuMessageCount));
histogram_tester.ExpectBucketCount(message_count_histogram_name, 1, 0);
RecordInterventionRateLimitedCount(
PerformanceDetectionManager::ResourceType::kCpu, pref_service);
EXPECT_EQ(1,
pref_service->GetInteger(
prefs::kPerformanceInterventionBackgroundCpuRateLimitedCount));
histogram_tester.ExpectBucketCount(rate_limited_histogram_name, 1, 0);
// Message and rate limit count should be recorded to the histogram
// and the prefs should be reset after a day
task_environment()->FastForwardBy(base::Days(1));
EXPECT_EQ(0, pref_service->GetInteger(
prefs::kPerformanceInterventionBackgroundCpuMessageCount));
EXPECT_EQ(0,
pref_service->GetInteger(
prefs::kPerformanceInterventionBackgroundCpuRateLimitedCount));
histogram_tester.ExpectBucketCount(message_count_histogram_name, 1, 1);
histogram_tester.ExpectBucketCount(rate_limited_histogram_name, 1, 1);
}
TEST_F(PerformanceControlsMetricsTest, HealthStatusChange) {
base::HistogramTester histogram_tester;
const std::string message_count_histogram_name =
"PerformanceControls.Intervention.BackgroundTab.Cpu.HealthStatusChange."
"1Min";
// Recording a health status that didn't change.
RecordCpuHealthStatusChange(
base::Minutes(1), PerformanceDetectionManager::HealthLevel::kHealthy,
PerformanceDetectionManager::HealthLevel::kHealthy);
histogram_tester.ExpectBucketCount(
message_count_histogram_name,
CpuInterventionHealthChange::kHealthyToHealthy, 1);
// Recording a health status that improved by one level.
RecordCpuHealthStatusChange(
base::Minutes(1), PerformanceDetectionManager::HealthLevel::kUnhealthy,
PerformanceDetectionManager::HealthLevel::kDegraded);
histogram_tester.ExpectBucketCount(
message_count_histogram_name,
CpuInterventionHealthChange::kUnhealthyToDegraded, 1);
// Recording a health status that improved by 2 levels.
RecordCpuHealthStatusChange(
base::Minutes(1), PerformanceDetectionManager::HealthLevel::kUnhealthy,
PerformanceDetectionManager::HealthLevel::kHealthy);
histogram_tester.ExpectBucketCount(
message_count_histogram_name,
CpuInterventionHealthChange::kUnhealthyToHealthy, 1);
// Recording a health status that got worse.
RecordCpuHealthStatusChange(
base::Minutes(1), PerformanceDetectionManager::HealthLevel::kHealthy,
PerformanceDetectionManager::HealthLevel::kUnhealthy);
histogram_tester.ExpectBucketCount(
message_count_histogram_name,
CpuInterventionHealthChange::kHealthyToUnhealthy, 1);
}
class PerformanceControlsNotificationTest
: public PerformanceControlsMetricsTest {
public:
void SetUp() override {
scoped_feature_list_.InitAndEnableFeature(
performance_manager::features::
kPerformanceInterventionNotificationImprovements);
PerformanceControlsMetricsTest::SetUp();
}
private:
base::test::ScopedFeatureList scoped_feature_list_;
};
TEST_F(PerformanceControlsNotificationTest,
RecordsNotificationAcceptPercentage) {
base::HistogramTester histogram_tester;
const std::string message_count_histogram_name =
"PerformanceControls.Intervention.DailyAcceptancePercentage";
std::unique_ptr<PerformanceInterventionButtonController> controller =
std::make_unique<PerformanceInterventionButtonController>(nullptr,
nullptr);
PrefService* const pref_service = prefs();
std::unique_ptr<PerformanceInterventionMetricsReporter> daily_metrics =
std::make_unique<PerformanceInterventionMetricsReporter>(pref_service);
ASSERT_TRUE(
pref_service
->GetList(performance_manager::user_tuning::prefs::
kPerformanceInterventionNotificationAcceptHistory)
.empty());
task_environment()->FastForwardBy(base::Days(1));
histogram_tester.ExpectBucketCount(message_count_histogram_name, 100, 0);
pref_service->SetList(performance_manager::user_tuning::prefs::
kPerformanceInterventionNotificationAcceptHistory,
base::Value::List().Append(true));
task_environment()->FastForwardBy(base::Days(1));
EXPECT_EQ(100,
PerformanceInterventionButtonController::GetAcceptancePercentage());
histogram_tester.ExpectBucketCount(message_count_histogram_name, 100, 1);
base::Value::List updated_accept_history = base::Value::List();
for (int i = 0;
i < performance_manager::features::kAcceptanceRateWindowSize.Get() / 2;
i++) {
updated_accept_history.Append(true);
updated_accept_history.Append(false);
}
pref_service->SetList(performance_manager::user_tuning::prefs::
kPerformanceInterventionNotificationAcceptHistory,
std::move(updated_accept_history));
task_environment()->FastForwardBy(base::Days(1));
EXPECT_EQ(50,
PerformanceInterventionButtonController::GetAcceptancePercentage());
histogram_tester.ExpectBucketCount(message_count_histogram_name, 50, 1);
histogram_tester.ExpectBucketCount(message_count_histogram_name, 100, 1);
}
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