// Copyright 2018 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/ash/crostini/crostini_reporting_util.h"
#include <stdint.h>
#include <vector>
#include "base/test/simple_test_clock.h"
#include "base/time/time.h"
#include "chrome/browser/ash/crostini/crostini_pref_names.h"
#include "chrome/test/base/testing_profile.h"
#include "components/component_updater/component_updater_service.h"
#include "components/component_updater/mock_component_updater_service.h"
#include "components/prefs/pref_service.h"
#include "content/public/test/browser_task_environment.h"
#include "testing/gmock/include/gmock/gmock.h"
#include "testing/gtest/include/gtest/gtest.h"
using testing::Mock;
using testing::Return;
namespace crostini {
class CrostiniReportingUtilTest : public testing::Test {
public:
CrostiniReportingUtilTest() = default;
CrostiniReportingUtilTest(const CrostiniReportingUtilTest&) = delete;
CrostiniReportingUtilTest& operator=(const CrostiniReportingUtilTest&) =
delete;
protected:
void enable_crostini_reporting() {
profile_.GetPrefs()->SetBoolean(prefs::kReportCrostiniUsageEnabled, true);
}
content::BrowserTaskEnvironment task_environment_;
base::SimpleTestClock test_clock_;
TestingProfile profile_;
component_updater::MockComponentUpdateService update_service_;
};
TEST_F(CrostiniReportingUtilTest, WriteMetricsForReportingToPrefsIfEnabled) {
base::Time time;
EXPECT_TRUE(base::Time::FromString("Sat, 1 Sep 2018 11:50:50 GMT", &time));
test_clock_.SetNow(time);
const auto component_info = component_updater::ComponentInfo(
"id2", "fingerprint2", u"cros-termina", base::Version("1.33.7"), "");
EXPECT_CALL(update_service_, GetComponents())
.Times(1)
.WillOnce(Return(
std::vector<component_updater::ComponentInfo>({component_info})));
PrefService* const preferences = profile_.GetPrefs();
// Usage reporting is disabled by default, so we expect no usage logging,
// which means no pref path exists and the prefs have default values:
WriteMetricsForReportingToPrefsIfEnabled(preferences, &update_service_,
&test_clock_);
int64_t timestamp =
preferences->GetInt64(prefs::kCrostiniLastLaunchTimeWindowStart);
std::string termina_version =
preferences->GetString(prefs::kCrostiniLastLaunchTerminaComponentVersion);
EXPECT_FALSE(
preferences->HasPrefPath(prefs::kCrostiniLastLaunchTimeWindowStart));
EXPECT_FALSE(preferences->HasPrefPath(
prefs::kCrostiniLastLaunchTerminaComponentVersion));
EXPECT_EQ(0, timestamp);
EXPECT_TRUE(termina_version.empty());
// With usage reporting enabled, we should obtain non-default values:
enable_crostini_reporting();
WriteMetricsForReportingToPrefsIfEnabled(preferences, &update_service_,
&test_clock_);
timestamp = preferences->GetInt64(prefs::kCrostiniLastLaunchTimeWindowStart);
termina_version =
preferences->GetString(prefs::kCrostiniLastLaunchTerminaComponentVersion);
EXPECT_EQ(1535760000000, timestamp); // 1 Sep 2018 00:00:00 GMT
EXPECT_EQ("1.33.7", termina_version);
}
TEST_F(CrostiniReportingUtilTest, WriteMetricsIfThereIsNoTerminaVersion) {
base::Time time;
EXPECT_TRUE(base::Time::FromString("Sat, 1 Sep 2018 11:50:50 GMT", &time));
test_clock_.SetNow(time);
PrefService* const preferences = profile_.GetPrefs();
enable_crostini_reporting();
// We test here that reporting does not break if no Termina version
// can be found because the component is not registered under the
// expected name.
EXPECT_CALL(update_service_, GetComponents())
.Times(1)
.WillOnce(Return(std::vector<component_updater::ComponentInfo>()));
WriteMetricsForReportingToPrefsIfEnabled(preferences, &update_service_,
&test_clock_);
const int64_t timestamp =
preferences->GetInt64(prefs::kCrostiniLastLaunchTimeWindowStart);
const std::string termina_version =
preferences->GetString(prefs::kCrostiniLastLaunchTerminaComponentVersion);
EXPECT_EQ(1535760000000, timestamp); // 1 Sep 2018 00:00:00 GMT
EXPECT_TRUE(termina_version.empty());
}
TEST_F(CrostiniReportingUtilTest, GetThreeDayWindowStart) {
base::Time time;
EXPECT_TRUE(base::Time::FromString("Fri, 31 Aug 2018 11:50:50 GMT", &time));
test_clock_.SetNow(time);
// Time is set to the beginning of the day of the start of a
// three day window (for privacy reasons).
base::Time window_start;
EXPECT_TRUE(
base::Time::FromString("Wed, 29 Aug 2018 00:00:00 GMT", &window_start));
EXPECT_EQ(window_start, GetThreeDayWindowStart(test_clock_.Now()));
// Since a three-day period has been crossed, another time is returned
// for three consecutive days:
base::Time next_window_start;
EXPECT_TRUE(base::Time::FromString("Sat, 1 Sep 2018 00:00:00 GMT",
&next_window_start));
test_clock_.Advance(base::Days(1));
EXPECT_EQ(next_window_start, GetThreeDayWindowStart(test_clock_.Now()));
test_clock_.Advance(base::Days(1));
EXPECT_EQ(next_window_start, GetThreeDayWindowStart(test_clock_.Now()));
test_clock_.Advance(base::Days(1));
EXPECT_EQ(next_window_start, GetThreeDayWindowStart(test_clock_.Now()));
// After three consecutive days logged with the same value, we now expect
// a three day change again:
base::Time three_days_later;
EXPECT_TRUE(base::Time::FromString("Tue, 4 Sep 2018 00:00:00 GMT",
&three_days_later));
test_clock_.Advance(base::Days(1));
EXPECT_EQ(three_days_later, GetThreeDayWindowStart(test_clock_.Now()));
}
TEST_F(CrostiniReportingUtilTest, GetTerminaVersion) {
component_updater::MockComponentUpdateService* const update_service =
&update_service_;
EXPECT_CALL(*update_service, GetComponents())
.Times(1)
.WillOnce(Return(std::vector<component_updater::ComponentInfo>()));
EXPECT_TRUE(GetTerminaVersion(update_service).empty());
Mock::VerifyAndClearExpectations(update_service);
const auto component_info_1 = component_updater::ComponentInfo(
"id1", "fingerprint1", u"name1", base::Version("1.0"), "");
const auto component_info_2 = component_updater::ComponentInfo(
"id2", "fingerprint2", u"cros-termina", base::Version("1.33.7"), "");
const auto component_info_3 = component_updater::ComponentInfo(
"id3", "fingerprint3", u"name1", base::Version("1.0"), "");
EXPECT_CALL(*update_service, GetComponents())
.Times(1)
.WillOnce(Return(std::vector<component_updater::ComponentInfo>(
{component_info_1, component_info_2, component_info_3})));
EXPECT_EQ("1.33.7", GetTerminaVersion(update_service));
}
} // namespace crostini
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