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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 "chromeos/ash/components/report/utils/pref_utils.h"
#include "chromeos/ash/components/dbus/private_computing/private_computing_service.pb.h"
#include "chromeos/ash/components/report/prefs/fresnel_pref_names.h"
#include "chromeos/ash/components/report/report_controller.h"
#include "components/prefs/pref_service.h"
#include "components/prefs/testing_pref_service.h"
#include "testing/gtest/include/gtest/gtest.h"
namespace ash::report::utils {
namespace {
using private_computing::ActiveStatus;
using private_computing::ChurnObservationStatus;
using private_computing::GetStatusResponse;
using private_computing::PrivateComputingUseCase;
using private_computing::SaveStatusRequest;
} // namespace
class PrefUtilsTest : public testing::Test {
public:
void SetUp() override {
// Register all related local state prefs.
ReportController::RegisterPrefs(local_state_.registry());
}
protected:
PrefService* GetLocalState() { return &local_state_; }
private:
TestingPrefServiceSimple local_state_;
};
TEST_F(PrefUtilsTest, RestoreLocalStateWithPreservedFile) {
// Example test case for restoring local state with preserved file.
// Prepare a sample response with active statuses.
GetStatusResponse response;
ActiveStatus active_status1;
active_status1.set_use_case(PrivateComputingUseCase::CROS_FRESNEL_DAILY);
active_status1.set_last_ping_date("2023-05-01");
response.add_active_status()->CopyFrom(active_status1);
ActiveStatus active_status2;
active_status2.set_use_case(
PrivateComputingUseCase::CROS_FRESNEL_28DAY_ACTIVE);
active_status2.set_last_ping_date("2023-04-01");
response.add_active_status()->CopyFrom(active_status2);
// Restore the local state with the preserved file contents.
PrefService* local_state = GetLocalState();
RestoreLocalStateWithPreservedFile(local_state, response);
// Verify that the local state is updated correctly.
base::Time ts;
EXPECT_TRUE(base::Time::FromUTCString("2023-05-01", &ts));
EXPECT_EQ(ts, local_state->GetTime(
prefs::kDeviceActiveLastKnown1DayActivePingTimestamp));
EXPECT_TRUE(base::Time::FromUTCString("2023-04-01", &ts));
EXPECT_EQ(ts, local_state->GetTime(
prefs::kDeviceActiveLastKnown28DayActivePingTimestamp));
}
TEST_F(PrefUtilsTest, RestoreLocalStateWithInvalidPreservedFile) {
// Example test case for restoring local state with preserved file.
// Prepare a sample response with active statuses.
GetStatusResponse response;
ActiveStatus active_status1;
active_status1.set_use_case(PrivateComputingUseCase::CROS_FRESNEL_DAILY);
active_status1.set_last_ping_date("1970-01-01");
response.add_active_status()->CopyFrom(active_status1);
ActiveStatus active_status2;
active_status2.set_use_case(
PrivateComputingUseCase::CROS_FRESNEL_28DAY_ACTIVE);
active_status2.set_last_ping_date("1970-01-01");
response.add_active_status()->CopyFrom(active_status2);
ActiveStatus active_status3;
active_status3.set_use_case(
PrivateComputingUseCase::CROS_FRESNEL_CHURN_MONTHLY_COHORT);
active_status3.set_last_ping_date("1970-01-01");
active_status3.set_churn_active_status(0);
response.add_active_status()->CopyFrom(active_status3);
PrefService* local_state = GetLocalState();
// Restore the local state with the preserved file contents.
RestoreLocalStateWithPreservedFile(local_state, response);
// The local state will have it's default registered values since the
// preserved file contains invalid values.
base::Time ts = base::Time::UnixEpoch();
EXPECT_EQ(local_state->GetTime(
prefs::kDeviceActiveLastKnown1DayActivePingTimestamp),
ts);
EXPECT_EQ(local_state->GetTime(
prefs::kDeviceActiveLastKnown28DayActivePingTimestamp),
ts);
EXPECT_EQ(
local_state->GetTime(prefs::kDeviceActiveChurnCohortMonthlyPingTimestamp),
ts);
EXPECT_EQ(
local_state->GetValue(prefs::kDeviceActiveLastKnownChurnActiveStatus), 0);
}
TEST_F(PrefUtilsTest, RestoreLocalStateWithInvalidLastPingDateInPreservedFile) {
// Example test case for restoring local state with preserved file.
// Prepare a sample response with active statuses.
GetStatusResponse response;
ActiveStatus active_status1;
active_status1.set_use_case(PrivateComputingUseCase::CROS_FRESNEL_DAILY);
active_status1.set_last_ping_date("INVALID_TS_STRING");
response.add_active_status()->CopyFrom(active_status1);
PrefService* local_state = GetLocalState();
// Restore the local state with the preserved file contents.
RestoreLocalStateWithPreservedFile(local_state, response);
// The local state will have it's default registered values since the
// preserved file contains invalid values.
base::Time ts = base::Time::UnixEpoch();
EXPECT_EQ(local_state->GetTime(
prefs::kDeviceActiveLastKnown1DayActivePingTimestamp),
ts);
}
TEST_F(PrefUtilsTest, CreatePreservedFileContents) {
PrefService* local_state = GetLocalState();
// Prepare a sample PrefService instance with stored values.
base::Time ts_1da;
base::Time ts_28da;
base::Time ts_churn_cohort;
base::Time ts_churn_observation;
EXPECT_TRUE(base::Time::FromUTCString("2023-05-01", &ts_1da));
EXPECT_TRUE(base::Time::FromUTCString("2023-04-01", &ts_28da));
// Normally churn and cohort should have the same last ping dates.
// Below we will test this method in the odd case it stores different dates.
EXPECT_TRUE(base::Time::FromUTCString("2023-03-01", &ts_churn_cohort));
EXPECT_TRUE(base::Time::FromUTCString("2023-03-01", &ts_churn_observation));
local_state->SetTime(prefs::kDeviceActiveLastKnown1DayActivePingTimestamp,
ts_1da);
local_state->SetTime(prefs::kDeviceActiveLastKnown28DayActivePingTimestamp,
ts_28da);
local_state->SetTime(prefs::kDeviceActiveChurnCohortMonthlyPingTimestamp,
ts_churn_cohort);
local_state->SetTime(prefs::kDeviceActiveChurnObservationMonthlyPingTimestamp,
ts_churn_observation);
local_state->SetInteger(prefs::kDeviceActiveLastKnownChurnActiveStatus, 1);
local_state->SetBoolean(
prefs::kDeviceActiveLastKnownIsActiveCurrentPeriodMinus0, true);
local_state->SetBoolean(
prefs::kDeviceActiveLastKnownIsActiveCurrentPeriodMinus1, true);
local_state->SetBoolean(
prefs::kDeviceActiveLastKnownIsActiveCurrentPeriodMinus2, true);
// Create the preserved file contents.
SaveStatusRequest save_request = CreatePreservedFileContents(local_state);
// Verify that the preserved file contents are created correctly.
// Active status stored for: 1DA, 28DA, Churn Cohort, and Churn Observation.
EXPECT_EQ(4, save_request.active_status_size());
EXPECT_EQ(PrivateComputingUseCase::CROS_FRESNEL_DAILY,
save_request.active_status(0).use_case());
EXPECT_EQ("2023-05-01 00:00:00.000 GMT",
save_request.active_status(0).last_ping_date());
EXPECT_EQ(PrivateComputingUseCase::CROS_FRESNEL_28DAY_ACTIVE,
save_request.active_status(1).use_case());
EXPECT_EQ("2023-04-01 00:00:00.000 GMT",
save_request.active_status(1).last_ping_date());
EXPECT_EQ(PrivateComputingUseCase::CROS_FRESNEL_CHURN_MONTHLY_COHORT,
save_request.active_status(2).use_case());
EXPECT_EQ("2023-03-01 00:00:00.000 GMT",
save_request.active_status(2).last_ping_date());
EXPECT_EQ(1, save_request.active_status(2).churn_active_status());
EXPECT_EQ(PrivateComputingUseCase::CROS_FRESNEL_CHURN_MONTHLY_OBSERVATION,
save_request.active_status(3).use_case());
EXPECT_TRUE(save_request.active_status(3)
.period_status()
.is_active_current_period_minus_0());
EXPECT_TRUE(save_request.active_status(3)
.period_status()
.is_active_current_period_minus_1());
EXPECT_TRUE(save_request.active_status(3)
.period_status()
.is_active_current_period_minus_2());
}
TEST_F(PrefUtilsTest,
CreatePreservedFileContentsForUnsynedCohortAndObservation) {
PrefService* local_state = GetLocalState();
// Prepare a sample PrefService instance with stored values.
base::Time ts_churn_cohort;
base::Time ts_churn_observation;
// Test odd case cohort and observation store different last ping dates.
EXPECT_TRUE(base::Time::FromUTCString("2023-03-01", &ts_churn_cohort));
EXPECT_TRUE(base::Time::FromUTCString("2023-02-01", &ts_churn_observation));
local_state->SetTime(prefs::kDeviceActiveChurnCohortMonthlyPingTimestamp,
ts_churn_cohort);
local_state->SetTime(prefs::kDeviceActiveChurnObservationMonthlyPingTimestamp,
ts_churn_observation);
local_state->SetInteger(prefs::kDeviceActiveLastKnownChurnActiveStatus, 1);
local_state->SetBoolean(
prefs::kDeviceActiveLastKnownIsActiveCurrentPeriodMinus0, true);
local_state->SetBoolean(
prefs::kDeviceActiveLastKnownIsActiveCurrentPeriodMinus1, true);
local_state->SetBoolean(
prefs::kDeviceActiveLastKnownIsActiveCurrentPeriodMinus2, true);
// Create the preserved file contents.
SaveStatusRequest save_request = CreatePreservedFileContents(local_state);
// Active status stored for: Churn Cohort.
// No preserved file data stored for Churn Observation because it's
// out of sync with the cohort last ping.
EXPECT_EQ(1, save_request.active_status_size());
EXPECT_EQ(PrivateComputingUseCase::CROS_FRESNEL_CHURN_MONTHLY_COHORT,
save_request.active_status(0).use_case());
EXPECT_EQ("2023-03-01 00:00:00.000 GMT",
save_request.active_status(0).last_ping_date());
EXPECT_EQ(1, save_request.active_status(0).churn_active_status());
}
} // namespace ash::report::utils
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