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// Copyright 2020 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/child_accounts/family_user_device_metrics.h"
#include <memory>
#include <optional>
#include <tuple>
#include "base/memory/raw_ptr.h"
#include "base/test/metrics/histogram_tester.h"
#include "chrome/browser/ash/login/test/device_state_mixin.h"
#include "chrome/browser/ash/login/test/logged_in_user_mixin.h"
#include "chrome/browser/ash/login/test/login_manager_mixin.h"
#include "chrome/browser/ash/login/test/scoped_policy_update.h"
#include "chrome/browser/ash/login/test/user_policy_mixin.h"
#include "components/account_id/account_id.h"
#include "components/policy/proto/chrome_device_policy.pb.h"
#include "components/user_manager/test_helper.h"
#include "components/user_manager/user_manager.h"
#include "components/user_manager/user_type.h"
#include "content/public/test/browser_test.h"
#include "google_apis/gaia/gaia_id.h"
namespace ash {
namespace {
const AccountId kDefaultOwnerAccountId =
AccountId::FromUserEmailGaiaId(test::kTestEmail, GaiaId(test::kTestGaiaId));
constexpr char kKioskAppUserEmail[] =
"example@kiosk-apps.device-local.localhost";
constexpr char kWebKioskAppUserEmail[] =
"example@web-kiosk-apps.device-local.localhost";
constexpr char kPublicAccountUserEmail[] =
"example@public-accounts.device-local.localhost";
} // namespace
// Test params:
// - LogInType: regular or child.
// - IsUserExisting: if false, no existing users on the login screen.
class FamilyUserDeviceMetricsTest
: public MixinBasedInProcessBrowserTest,
public testing::WithParamInterface<
std::tuple<LoggedInUserMixin::LogInType, /*IsUserExisting=*/bool>> {
protected:
bool IsUserChild() const {
return GetLogInType() == LoggedInUserMixin::LogInType::kChild;
}
bool IsUserExisting() const { return std::get<1>(GetParam()); }
LoggedInUserMixin logged_in_user_mixin_{
&mixin_host_, /*test_base=*/this, embedded_test_server(), GetLogInType(),
/*include_initial_user=*/IsUserExisting()};
// MixinBasedInProcessBrowserTest:
void SetUpInProcessBrowserTestFixture() override {
if (IsUserExisting()) {
// Append another user of the same type.
if (IsUserChild()) {
logged_in_user_mixin_.GetLoginManagerMixin()->AppendChildUsers(1);
} else {
logged_in_user_mixin_.GetLoginManagerMixin()->AppendRegularUsers(1);
}
}
MixinBasedInProcessBrowserTest::SetUpInProcessBrowserTestFixture();
}
void SetUpOnMainThread() override {
MixinBasedInProcessBrowserTest::SetUpOnMainThread();
// Child users require user policy. Set up an empty one so the user can get
// through login.
user_policy_mixin_.RequestPolicyUpdate();
}
private:
LoggedInUserMixin::LogInType GetLogInType() const {
return std::get<0>(GetParam());
}
UserPolicyMixin user_policy_mixin_{&mixin_host_, kDefaultOwnerAccountId};
};
// TODO(crbug.com/40892366): Test is flaky. Too many histogram entries are
// sometimes generated.
#define MAYBE_IsDeviceOwner DISABLED_IsDeviceOwner
IN_PROC_BROWSER_TEST_P(FamilyUserDeviceMetricsTest, MAYBE_IsDeviceOwner) {
base::HistogramTester histogram_tester;
// Set the device owner to the logged in user.
user_manager::UserManager::Get()->SetOwnerId(
logged_in_user_mixin_.GetAccountId());
logged_in_user_mixin_.LogInUser(
{ash::LoggedInUserMixin::LoginDetails::kNoBrowserLaunch});
histogram_tester.ExpectUniqueSample(
FamilyUserDeviceMetrics::GetDeviceOwnerHistogramNameForTest(),
/*sample=*/true, /*expected_count=*/1);
}
// TODO(crbug.com/40892366): Test is flaky. Too many histogram entries are
// sometimes generated.
#define MAYBE_IsNotDeviceOwner DISABLED_IsNotDeviceOwner
IN_PROC_BROWSER_TEST_P(FamilyUserDeviceMetricsTest, MAYBE_IsNotDeviceOwner) {
base::HistogramTester histogram_tester;
// Set the device owner to an arbitrary account that's not logged in.
user_manager::UserManager::Get()->SetOwnerId(kDefaultOwnerAccountId);
logged_in_user_mixin_.LogInUser(
{ash::LoggedInUserMixin::LoginDetails::kNoBrowserLaunch});
histogram_tester.ExpectUniqueSample(
FamilyUserDeviceMetrics::GetDeviceOwnerHistogramNameForTest(),
/*sample=*/false, /*expected_count=*/1);
}
IN_PROC_BROWSER_TEST_P(FamilyUserDeviceMetricsTest, SingleUserAdded) {
base::HistogramTester histogram_tester;
logged_in_user_mixin_.LogInUser(
{ash::LoggedInUserMixin::LoginDetails::kNoBrowserLaunch});
if (IsUserExisting()) {
// This user has signed into this device before, so they are not new.
histogram_tester.ExpectTotalCount(
FamilyUserDeviceMetrics::GetNewUserAddedHistogramNameForTest(), 0);
} else {
// This is the first time this user is signing into this device.
FamilyUserDeviceMetrics::NewUserAdded sample =
IsUserChild()
? FamilyUserDeviceMetrics::NewUserAdded::kFamilyLinkUserAdded
: FamilyUserDeviceMetrics::NewUserAdded::kRegularUserAdded;
histogram_tester.ExpectUniqueSample(
FamilyUserDeviceMetrics::GetNewUserAddedHistogramNameForTest(), sample,
/*expected_count=*/1);
}
}
IN_PROC_BROWSER_TEST_P(FamilyUserDeviceMetricsTest, SingleUserCount) {
if (!IsUserExisting()) {
GTEST_SKIP() << "This test makes sense only for existing user";
}
base::HistogramTester histogram_tester;
logged_in_user_mixin_.LogInUser(
{ash::LoggedInUserMixin::LoginDetails::kNoBrowserLaunch});
// Current user + extra user from setup.
const int gaia_users_count = 2;
const int family_link_users_count = IsUserChild() ? gaia_users_count : 0;
histogram_tester.ExpectUniqueSample(
FamilyUserDeviceMetrics::GetFamilyLinkUsersCountHistogramNameForTest(),
/*sample=*/family_link_users_count,
/*expected_count=*/1);
histogram_tester.ExpectUniqueSample(
FamilyUserDeviceMetrics::GetGaiaUsersCountHistogramNameForTest(),
/*sample=*/gaia_users_count,
/*expected_count=*/1);
}
IN_PROC_BROWSER_TEST_P(FamilyUserDeviceMetricsTest, LoginAsNewChildUser) {
if (IsUserExisting() && !IsUserChild()) {
GTEST_SKIP() << "As this test runs LoginAsNewChildUser"
" it is expected that if user exists, it is a child user";
}
base::HistogramTester histogram_tester;
logged_in_user_mixin_.GetLoginManagerMixin()->SkipPostLoginScreens();
logged_in_user_mixin_.GetLoginManagerMixin()->LoginAsNewChildUser();
logged_in_user_mixin_.GetLoginManagerMixin()->WaitForActiveSession();
// If existing Family Link user on login screen, then two Family Link users.
const int family_link_users_count = IsUserExisting() && IsUserChild() ? 2 : 1;
// If no existing users on login screen, then this user is the first and only.
const int gaia_users_count = IsUserExisting() ? 2 : 1;
// If user existed before, then no users were added.
const int family_link_users_added = IsUserExisting() ? 0 : 1;
histogram_tester.ExpectUniqueSample(
FamilyUserDeviceMetrics::GetNewUserAddedHistogramNameForTest(),
FamilyUserDeviceMetrics::NewUserAdded::kFamilyLinkUserAdded,
/*expected_count=*/family_link_users_added);
histogram_tester.ExpectUniqueSample(
FamilyUserDeviceMetrics::GetFamilyLinkUsersCountHistogramNameForTest(),
/*sample=*/family_link_users_count,
/*expected_count=*/1);
histogram_tester.ExpectUniqueSample(
FamilyUserDeviceMetrics ::GetGaiaUsersCountHistogramNameForTest(),
/*sample=*/gaia_users_count,
/*expected_count=*/1);
}
IN_PROC_BROWSER_TEST_P(FamilyUserDeviceMetricsTest, LoginAsNewRegularUser) {
base::HistogramTester histogram_tester;
logged_in_user_mixin_.GetLoginManagerMixin()->SkipPostLoginScreens();
logged_in_user_mixin_.GetLoginManagerMixin()->LoginAsNewRegularUser();
logged_in_user_mixin_.GetLoginManagerMixin()->WaitForActiveSession();
// If existing Family Link user on login screen, then one Family Link user.
const int family_link_users_count = IsUserExisting() && IsUserChild() ? 1 : 0;
// If no existing users on login screen, then this user is the first and only.
const int gaia_users_count = IsUserExisting() ? 2 : 1;
// If user existed before, then no users were added.
const int regular_users_added = IsUserExisting() ? 0 : 1;
histogram_tester.ExpectUniqueSample(
FamilyUserDeviceMetrics::GetNewUserAddedHistogramNameForTest(),
FamilyUserDeviceMetrics::NewUserAdded::kRegularUserAdded,
/*expected_count=*/regular_users_added);
histogram_tester.ExpectUniqueSample(
FamilyUserDeviceMetrics::GetFamilyLinkUsersCountHistogramNameForTest(),
/*sample=*/family_link_users_count,
/*expected_count=*/1);
histogram_tester.ExpectUniqueSample(
FamilyUserDeviceMetrics::GetGaiaUsersCountHistogramNameForTest(),
/*sample=*/gaia_users_count,
/*expected_count=*/1);
}
IN_PROC_BROWSER_TEST_P(FamilyUserDeviceMetricsTest, GuestUser) {
base::HistogramTester histogram_tester;
auto* user_manager = user_manager::UserManager::Get();
ASSERT_TRUE(user_manager::TestHelper(user_manager).AddGuestUser());
logged_in_user_mixin_.GetLoginManagerMixin()->SkipPostLoginScreens();
logged_in_user_mixin_.GetLoginManagerMixin()->LoginAsNewRegularUser();
logged_in_user_mixin_.GetLoginManagerMixin()->WaitForActiveSession();
// If no existing users on login screen, then this user is the first and only.
const size_t gaia_users_count = IsUserExisting() ? 2 : 1;
EXPECT_EQ(gaia_users_count, user_manager->GetPersistedUsers().size());
histogram_tester.ExpectUniqueSample(
FamilyUserDeviceMetrics::GetGaiaUsersCountHistogramNameForTest(),
/*sample=*/gaia_users_count,
/*expected_count=*/1);
}
INSTANTIATE_TEST_SUITE_P(
,
FamilyUserDeviceMetricsTest,
testing::Combine(testing::Values(LoggedInUserMixin::LogInType::kChild,
LoggedInUserMixin::LogInType::kConsumer),
/*IsUserExisting=*/testing::Bool()));
class FamilyUserDeviceMetricsManagedDeviceTest
: public FamilyUserDeviceMetricsTest {
protected:
void LoginAsNewRegularUser() {
logged_in_user_mixin_.GetLoginManagerMixin()->SkipPostLoginScreens();
logged_in_user_mixin_.GetLoginManagerMixin()->LoginAsNewRegularUser();
logged_in_user_mixin_.GetLoginManagerMixin()->WaitForActiveSession();
}
DeviceStateMixin device_state_{
&mixin_host_, DeviceStateMixin::State::OOBE_COMPLETED_CLOUD_ENROLLED};
};
IN_PROC_BROWSER_TEST_P(FamilyUserDeviceMetricsManagedDeviceTest, KioskAppUser) {
base::HistogramTester histogram_tester;
auto* user_manager = user_manager::UserManager::Get();
ASSERT_TRUE(user_manager::TestHelper(user_manager)
.AddKioskChromeAppUser(kKioskAppUserEmail));
LoginAsNewRegularUser();
size_t total_user_count = IsUserExisting() ? 3 : 2;
EXPECT_EQ(total_user_count, user_manager->GetPersistedUsers().size());
// If no existing users on login screen, then this user is the first and only.
const int gaia_users_count = IsUserExisting() ? 2 : 1;
histogram_tester.ExpectUniqueSample(
FamilyUserDeviceMetrics::GetGaiaUsersCountHistogramNameForTest(),
/*sample=*/gaia_users_count,
/*expected_count=*/1);
}
IN_PROC_BROWSER_TEST_P(FamilyUserDeviceMetricsManagedDeviceTest,
WebKioskAppUser) {
base::HistogramTester histogram_tester;
auto* user_manager = user_manager::UserManager::Get();
ASSERT_TRUE(user_manager::TestHelper(user_manager)
.AddKioskWebAppUser(kWebKioskAppUserEmail));
LoginAsNewRegularUser();
size_t total_user_count = IsUserExisting() ? 3 : 2;
EXPECT_EQ(total_user_count, user_manager->GetPersistedUsers().size());
// If no existing users on login screen, then this user is the first and only.
const int gaia_users_count = IsUserExisting() ? 2 : 1;
histogram_tester.ExpectUniqueSample(
FamilyUserDeviceMetrics::GetGaiaUsersCountHistogramNameForTest(),
/*sample=*/gaia_users_count,
/*expected_count=*/1);
}
IN_PROC_BROWSER_TEST_P(FamilyUserDeviceMetricsManagedDeviceTest,
PublicAccountUser) {
base::HistogramTester histogram_tester;
auto* user_manager = user_manager::UserManager::Get();
ASSERT_TRUE(user_manager::TestHelper(user_manager)
.AddPublicAccountUser(kPublicAccountUserEmail));
LoginAsNewRegularUser();
size_t total_user_count = IsUserExisting() ? 3 : 2;
EXPECT_EQ(total_user_count, user_manager->GetPersistedUsers().size());
// If no existing users on login screen, then this user is the first and only.
const int gaia_users_count = IsUserExisting() ? 2 : 1;
histogram_tester.ExpectUniqueSample(
FamilyUserDeviceMetrics::GetGaiaUsersCountHistogramNameForTest(),
/*sample=*/gaia_users_count,
/*expected_count=*/1);
}
INSTANTIATE_TEST_SUITE_P(
,
FamilyUserDeviceMetricsManagedDeviceTest,
testing::Combine(testing::Values(LoggedInUserMixin::LogInType::kChild,
LoggedInUserMixin::LogInType::kConsumer),
/*IsUserExisting=*/testing::Bool()));
class FamilyUserDeviceMetricsEphemeralUserTest
: public FamilyUserDeviceMetricsManagedDeviceTest {
protected:
// MixinBaseInProcessBrowserTest:
void SetUpInProcessBrowserTestFixture() override {
MixinBasedInProcessBrowserTest::SetUpInProcessBrowserTestFixture();
std::unique_ptr<ScopedDevicePolicyUpdate> device_policy_update =
device_state_.RequestDevicePolicyUpdate();
device_policy_update->policy_payload()
->mutable_ephemeral_users_enabled()
->set_ephemeral_users_enabled(true);
device_policy_update.reset();
}
};
// Tests that regular ephemeral users report 0 for FamilyUser.GaiaUsersCount.
IN_PROC_BROWSER_TEST_P(FamilyUserDeviceMetricsEphemeralUserTest,
EphemeralUser) {
base::HistogramTester histogram_tester;
LoginAsNewRegularUser();
histogram_tester.ExpectUniqueSample(
FamilyUserDeviceMetrics::GetGaiaUsersCountHistogramNameForTest(),
/*sample=*/0,
/*expected_count=*/1);
}
INSTANTIATE_TEST_SUITE_P(
,
FamilyUserDeviceMetricsEphemeralUserTest,
testing::Combine(testing::Values(LoggedInUserMixin::LogInType::kChild,
LoggedInUserMixin::LogInType::kConsumer),
/*IsUserExisting=*/testing::Values(false)));
} // namespace ash
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