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// Copyright 2021 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/android/metrics/android_session_durations_service.h"
#include "base/test/metrics/histogram_tester.h"
#include "base/time/time.h"
#include "testing/gtest/include/gtest/gtest.h"
namespace {
const char resume_metric_name[] =
"Profile.Incognito.ResumedAfterReportedDuration";
const char background_metric_name[] =
"Profile.Incognito.MovedToBackgroundAfterDuration";
} // namespace
class AndroidIncognitoSessionDurationsServiceTest : public testing::Test {
public:
AndroidIncognitoSessionDurationsServiceTest() = default;
AndroidIncognitoSessionDurationsServiceTest(
const AndroidIncognitoSessionDurationsServiceTest&) = delete;
AndroidIncognitoSessionDurationsServiceTest& operator=(
const AndroidIncognitoSessionDurationsServiceTest&) = delete;
~AndroidIncognitoSessionDurationsServiceTest() override = default;
};
TEST_F(AndroidIncognitoSessionDurationsServiceTest, RegularIncognitoClose) {
base::HistogramTester histograms;
{
// Start service.
auto service = std::make_unique<AndroidSessionDurationsService>();
service->InitializeForIncognitoProfile();
histograms.ExpectTotalCount(resume_metric_name, 0);
histograms.ExpectTotalCount(background_metric_name, 0);
// Close service (happens when Incognito profile is properly closed).
service->Shutdown();
}
// Check after service shutdown and destruction.
histograms.ExpectTotalCount(resume_metric_name, 0);
histograms.ExpectBucketCount(background_metric_name, 0, 1);
}
TEST_F(AndroidIncognitoSessionDurationsServiceTest, DieInBackground) {
base::HistogramTester histograms;
{
// Start service.
auto service = std::make_unique<AndroidSessionDurationsService>();
service->InitializeForIncognitoProfile();
histograms.ExpectTotalCount(resume_metric_name, 0);
histograms.ExpectTotalCount(background_metric_name, 0);
// Go background.
service->OnAppEnterBackground(base::TimeDelta());
histograms.ExpectTotalCount(resume_metric_name, 0);
histograms.ExpectBucketCount(background_metric_name, 0, 1);
}
// Check again after service destruction.
histograms.ExpectTotalCount(resume_metric_name, 0);
histograms.ExpectTotalCount(background_metric_name, 1);
}
TEST_F(AndroidIncognitoSessionDurationsServiceTest, DoubleForeground) {
base::HistogramTester histograms;
// Start service and move to foreground and expect no recording.
auto service = std::make_unique<AndroidSessionDurationsService>();
service->InitializeForIncognitoProfile();
service->OnAppEnterForeground(base::TimeTicks());
histograms.ExpectTotalCount(resume_metric_name, 0);
histograms.ExpectTotalCount(background_metric_name, 0);
}
TEST_F(AndroidIncognitoSessionDurationsServiceTest, MultipleStateChange) {
base::HistogramTester histograms;
auto service = std::make_unique<AndroidSessionDurationsService>();
service->InitializeForIncognitoProfile();
// Go background.
service->OnAppEnterBackground(base::TimeDelta());
histograms.ExpectTotalCount(resume_metric_name, 0);
histograms.ExpectBucketCount(background_metric_name, 0, 1);
// Go foreground.
service->OnAppEnterForeground(base::TimeTicks());
histograms.ExpectBucketCount(resume_metric_name, 0, 1);
// Assume session start was 1 hour ago and go background.
service->SetSessionStartTimeForTesting(base::Time::Now() -
base::Seconds(60) * 60);
service->OnAppEnterBackground(base::TimeDelta());
histograms.ExpectBucketCount(background_metric_name, 60, 1);
// Go foreground.
service->OnAppEnterForeground(base::TimeTicks());
histograms.ExpectBucketCount(resume_metric_name, 60, 1);
histograms.ExpectTotalCount(background_metric_name, 2);
}
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