// 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 "base/functional/bind.h"
#include "base/time/time.h"
#include "chrome/browser/ash/login/lock/screen_locker_tester.h"
#include "chrome/browser/ash/login/test/cryptohome_mixin.h"
#include "chrome/browser/ash/policy/affiliation/affiliation_mixin.h"
#include "chrome/browser/ash/policy/affiliation/affiliation_test_helper.h"
#include "chrome/browser/ash/policy/core/device_policy_cros_browser_test.h"
#include "chrome/browser/ash/settings/scoped_testing_cros_settings.h"
#include "chrome/browser/ash/settings/stub_cros_settings_provider.h"
#include "chrome/browser/chromeos/reporting/metric_default_utils.h"
#include "chrome/browser/policy/dm_token_utils.h"
#include "chrome/test/base/in_process_browser_test.h"
#include "chromeos/ash/components/settings/cros_settings_names.h"
#include "chromeos/dbus/missive/missive_client_test_observer.h"
#include "components/reporting/proto/synced/metric_data.pb.h"
#include "components/reporting/proto/synced/record.pb.h"
#include "components/reporting/proto/synced/record_constants.pb.h"
#include "components/reporting/util/mock_clock.h"
#include "components/session_manager/core/session_manager.h"
#include "content/public/browser/browser_context.h"
#include "content/public/test/browser_test.h"
#include "content/public/test/test_launcher.h"
#include "testing/gmock/include/gmock/gmock.h"
#include "testing/gtest/include/gtest/gtest.h"
#include "ui/base/user_activity/user_activity_detector.h"
using ::testing::Eq;
using ::testing::IsNull;
using ::testing::Not;
using ::testing::StrEq;
namespace reporting {
namespace {
// Test DM token used to associate reported events.
constexpr char kDMToken[] = "token";
// Device idle state threshold.
constexpr base::TimeDelta kIdleStateThreshold = base::Minutes(5);
void AssertRecordData(Priority priority, const Record& record) {
EXPECT_THAT(priority, Eq(Priority::MANUAL_BATCH));
ASSERT_TRUE(record.has_destination());
EXPECT_THAT(record.destination(), Eq(Destination::TELEMETRY_METRIC));
ASSERT_TRUE(record.has_dm_token());
EXPECT_THAT(record.dm_token(), StrEq(kDMToken));
ASSERT_TRUE(record.has_source_info());
EXPECT_THAT(record.source_info().source(), Eq(SourceInfo::ASH));
}
// Returns true if the record includes user status telemetry. False otherwise.
bool IsUserStatusTelemetry(const Record& record) {
MetricData record_data;
return record_data.ParseFromString(record.data()) &&
record_data.has_telemetry_data() &&
record_data.telemetry_data().has_user_status_telemetry();
}
// Browser test that validates device activity status telemetry reported by the
// `DeviceActivityTelemetrySampler`. Inheriting from
// `DevicePolicyCrosBrowserTest` enables use of `AffiliationMixin` for setting
// up profile/device affiliation. Only available in Ash.
class DeviceActivitySamplerBrowserTest
: public ::policy::DevicePolicyCrosBrowserTest {
protected:
DeviceActivitySamplerBrowserTest() {
// Initialize the MockClock.
test::MockClock::Get();
crypto_home_mixin_.MarkUserAsExisting(affiliation_mixin_.account_id());
::policy::SetDMTokenForTesting(
::policy::DMToken::CreateValidToken(kDMToken));
}
void SetUpCommandLine(base::CommandLine* command_line) override {
::policy::AffiliationTestHelper::AppendCommandLineSwitchesForLoginManager(
command_line);
::policy::DevicePolicyCrosBrowserTest::SetUpCommandLine(command_line);
}
void SetUpOnMainThread() override {
::policy::DevicePolicyCrosBrowserTest::SetUpOnMainThread();
if (::content::IsPreTest()) {
// Preliminary setup - set up affiliated user.
::policy::AffiliationTestHelper::PreLoginUser(
affiliation_mixin_.account_id());
return;
}
// Login as affiliated user otherwise.
::policy::AffiliationTestHelper::LoginUser(affiliation_mixin_.account_id());
}
void SetPolicyEnabled(bool is_enabled) {
scoped_testing_cros_settings_.device_settings()->SetBoolean(
::ash::kDeviceActivityHeartbeatEnabled, is_enabled);
}
private:
::policy::DevicePolicyCrosTestHelper test_helper_;
::policy::AffiliationMixin affiliation_mixin_{&mixin_host_, &test_helper_};
::ash::CryptohomeMixin crypto_home_mixin_{&mixin_host_};
::ash::ScopedTestingCrosSettings scoped_testing_cros_settings_;
};
IN_PROC_BROWSER_TEST_F(DeviceActivitySamplerBrowserTest,
PRE_ReportLockedActivityState) {
// Dummy case that sets up the affiliated user through SetUpOnMainThread
// PRE-condition.
}
IN_PROC_BROWSER_TEST_F(DeviceActivitySamplerBrowserTest,
ReportLockedActivityState) {
SetPolicyEnabled(true);
// Simulate locked activity for the current session.
ASSERT_THAT(::session_manager::SessionManager::Get(), Not(IsNull()));
::ash::ScreenLockerTester().Lock();
// Force telemetry collection by advancing the timer and verify data that is
// being enqueued via ERP.
::chromeos::MissiveClientTestObserver missive_observer(
base::BindRepeating(&IsUserStatusTelemetry));
test::MockClock::Get().Advance(
metrics::kDefaultDeviceActivityHeartbeatCollectionRate);
const auto [priority, record] = missive_observer.GetNextEnqueuedRecord();
AssertRecordData(priority, record);
MetricData metric_data;
ASSERT_TRUE(metric_data.ParseFromString(record.data()));
EXPECT_TRUE(metric_data.has_timestamp_ms());
EXPECT_THAT(metric_data.telemetry_data()
.user_status_telemetry()
.device_activity_state(),
Eq(UserStatusTelemetry::LOCKED));
}
IN_PROC_BROWSER_TEST_F(DeviceActivitySamplerBrowserTest, PRE_ReportIdleState) {
// Dummy case that sets up the affiliated user through SetUpOnMainThread
// PRE-condition.
}
IN_PROC_BROWSER_TEST_F(DeviceActivitySamplerBrowserTest, ReportIdleState) {
SetPolicyEnabled(true);
// Simulate idle activity by recording current timestamp for last activity and
// advancing timer beyond the idle threshold.
::ui::UserActivityDetector::Get()->set_last_activity_time_for_test(
base::TimeTicks::Now());
test::MockClock::Get().Advance(kIdleStateThreshold);
// Force telemetry collection by advancing the timer and verify data that is
// being enqueued via ERP.
::chromeos::MissiveClientTestObserver missive_observer(
base::BindRepeating(&IsUserStatusTelemetry));
test::MockClock::Get().Advance(
metrics::kDefaultDeviceActivityHeartbeatCollectionRate);
const auto [priority, record] = missive_observer.GetNextEnqueuedRecord();
AssertRecordData(priority, record);
MetricData metric_data;
ASSERT_TRUE(metric_data.ParseFromString(record.data()));
EXPECT_TRUE(metric_data.has_timestamp_ms());
EXPECT_THAT(metric_data.telemetry_data()
.user_status_telemetry()
.device_activity_state(),
Eq(UserStatusTelemetry::IDLE));
}
IN_PROC_BROWSER_TEST_F(DeviceActivitySamplerBrowserTest,
PRE_ReportActiveState) {
// Dummy case that sets up the affiliated user through SetUpOnMainThread
// PRE-condition.
}
IN_PROC_BROWSER_TEST_F(DeviceActivitySamplerBrowserTest, ReportActiveState) {
SetPolicyEnabled(true);
// Simulate activity by recording last activity that does not exceed the idle
// threshold. We will have to adjust this based on the collection frequency so
// the device is still considered active when the metric is reported.
const base::TimeTicks last_activity_time =
base::TimeTicks::Now() +
metrics::kDefaultDeviceActivityHeartbeatCollectionRate;
::ui::UserActivityDetector::Get()->set_last_activity_time_for_test(
last_activity_time);
// Force telemetry collection by advancing the timer and verify data that is
// being enqueued via ERP.
::chromeos::MissiveClientTestObserver missive_observer(
base::BindRepeating(&IsUserStatusTelemetry));
test::MockClock::Get().Advance(
metrics::kDefaultDeviceActivityHeartbeatCollectionRate);
const auto [priority, record] = missive_observer.GetNextEnqueuedRecord();
AssertRecordData(priority, record);
MetricData metric_data;
ASSERT_TRUE(metric_data.ParseFromString(record.data()));
EXPECT_TRUE(metric_data.has_timestamp_ms());
EXPECT_THAT(metric_data.telemetry_data()
.user_status_telemetry()
.device_activity_state(),
Eq(UserStatusTelemetry::ACTIVE));
}
} // namespace
} // namespace reporting