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// Copyright 2025 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/arc/locked_fullscreen/arc_locked_fullscreen_manager.h"
#include <memory>
#include <tuple>
#include "ash/constants/ash_features.h"
#include "ash/shell.h"
#include "base/command_line.h"
#include "base/memory/raw_ptr.h"
#include "base/test/metrics/histogram_tester.h"
#include "base/test/scoped_feature_list.h"
#include "base/test/task_environment.h"
#include "chrome/browser/ash/arc/locked_fullscreen/arc_locked_fullscreen_manager.h"
#include "chrome/browser/ash/arc/test/test_arc_session_manager.h"
#include "chrome/browser/ash/settings/scoped_cros_settings_test_helper.h"
#include "chrome/test/base/scoped_testing_local_state.h"
#include "chrome/test/base/testing_browser_process.h"
#include "chrome/test/base/testing_profile.h"
#include "chrome/test/base/testing_profile_manager.h"
#include "chromeos/ash/components/dbus/concierge/concierge_client.h"
#include "chromeos/ash/components/dbus/concierge/fake_concierge_client.h"
#include "chromeos/ash/components/dbus/vm_concierge/concierge_service.pb.h"
#include "chromeos/ash/components/settings/cros_settings.h"
#include "chromeos/ash/experiences/arc/session/arc_session_runner.h"
#include "chromeos/ash/experiences/arc/test/arc_util_test_support.h"
#include "chromeos/ash/experiences/arc/test/fake_arc_session.h"
#include "components/account_id/account_id.h"
#include "components/session_manager/core/session_manager.h"
#include "components/user_manager/fake_user_manager_delegate.h"
#include "components/user_manager/test_helper.h"
#include "components/user_manager/user_manager_impl.h"
#include "content/public/test/browser_task_environment.h"
#include "google_apis/gaia/gaia_id.h"
#include "testing/gmock/include/gmock/gmock.h"
#include "testing/gtest/include/gtest/gtest.h"
namespace arc {
namespace {
constexpr char kMuteAudioWithSuccessHistogram[] = "Arc.MuteAudioSuccess";
constexpr char kUnmuteAudioWithSuccessHistogram[] = "Arc.UnmuteAudioSuccess";
constexpr char kUserEmail[] = "test@example.com";
constexpr char kUserGaiaId[] = "1234567890";
class ArcLockedFullscreenManagerTest
: public ::testing::TestWithParam<std::tuple<bool, bool>> {
protected:
ArcLockedFullscreenManagerTest() {
// Force the test to mute ARC audio instead of adopting the deprecated flow
// that disables ARC. The deprecated flow is already tested with ARC session
// manager browser tests.
scoped_feature_list_.InitAndEnableFeature(
ash::features::kBocaOnTaskMuteArcAudio);
}
void SetUp() override {
ASSERT_TRUE(profile_manager_.SetUp());
// Initialize fake clients and enable ARC through command line.
ash::ConciergeClient::InitializeFake(/*fake_cicerone_client=*/nullptr);
SetArcAvailableCommandLineForTesting(
base::CommandLine::ForCurrentProcess());
// Force ARC session manager to skip UI.
ArcSessionManager::SetUiEnabledForTesting(false);
arc_session_manager_ =
CreateTestArcSessionManager(std::make_unique<ArcSessionRunner>(
base::BindRepeating(FakeArcSession::Create)));
// Initialize a testing profile and the user manager. Needed to test ARC.
user_manager_ = std::make_unique<user_manager::UserManagerImpl>(
std::make_unique<user_manager::FakeUserManagerDelegate>(),
local_state_.Get(), ash::CrosSettings::Get());
user_manager_->Initialize();
const AccountId account_id(
AccountId::FromUserEmailGaiaId(kUserEmail, GaiaId(kUserGaiaId)));
ASSERT_TRUE(user_manager::TestHelper(user_manager_.get())
.AddRegularUser(account_id));
const std::string user_id_hash =
user_manager::TestHelper::GetFakeUsernameHash(account_id);
user_manager_->UserLoggedIn(account_id, user_id_hash);
profile_ = profile_manager_.CreateTestingProfile(kUserEmail);
// Initialize the locked fullscreen manager.
arc_locked_fullscreen_manager_ =
std::make_unique<ArcLockedFullscreenManager>(profile());
// Initialize session manager with a fake ARC session.
arc_session_manager_->SetProfile(profile());
arc_session_manager_->Initialize();
arc_session_manager_->RequestEnable();
}
void TearDown() override {
// Reset ARC session manager before shutting down the Concierge client since
// it is observing it.
arc_session_manager_.reset();
ash::ConciergeClient::Shutdown();
user_manager_->Destroy();
}
bool IsMuteAudioRequest() const { return std::get<0>(GetParam()); }
bool IsMuteOrUnmuteAudioSuccess() const { return std::get<1>(GetParam()); }
TestingProfile* profile() { return profile_.get(); }
ArcSessionManager* arc_session_manager() {
return arc_session_manager_.get();
}
ArcLockedFullscreenManager* arc_locked_fullscreen_manager() {
return arc_locked_fullscreen_manager_.get();
}
base::HistogramTester* histogram_tester() { return &histogram_tester_; }
private:
content::BrowserTaskEnvironment task_environment_{
base::test::TaskEnvironment::TimeSource::MOCK_TIME};
base::test::ScopedFeatureList scoped_feature_list_;
ash::ScopedCrosSettingsTestHelper cros_settings_helper_;
ScopedTestingLocalState local_state_{TestingBrowserProcess::GetGlobal()};
std::unique_ptr<user_manager::UserManagerImpl> user_manager_;
TestingProfileManager profile_manager_{TestingBrowserProcess::GetGlobal(),
&local_state_};
session_manager::SessionManager session_manager_;
raw_ptr<TestingProfile> profile_;
std::unique_ptr<ArcSessionManager> arc_session_manager_;
std::unique_ptr<ArcLockedFullscreenManager> arc_locked_fullscreen_manager_;
base::HistogramTester histogram_tester_;
};
TEST_P(ArcLockedFullscreenManagerTest, RequestBeforeArcStartup) {
ASSERT_NE(ArcSessionManager::State::ACTIVE, arc_session_manager()->state());
// Set up downstream client for testing purposes.
ash::FakeConciergeClient* const concierge_client =
ash::FakeConciergeClient::Get();
vm_tools::concierge::SuccessFailureResponse mute_audio_response;
mute_audio_response.set_success(IsMuteOrUnmuteAudioSuccess());
concierge_client->set_mute_vm_audio_response(mute_audio_response);
// Request mute or unmute audio before ARC startup.
arc_locked_fullscreen_manager()->UpdateForLockedFullscreenMode(
IsMuteAudioRequest());
ASSERT_EQ(concierge_client->mute_vm_audio_call_count(), 0);
// Emulate successful startup.
arc_session_manager()->StartArcForTesting();
ASSERT_EQ(ArcSessionManager::State::ACTIVE, arc_session_manager()->state());
// Verify request goes through now.
EXPECT_EQ(concierge_client->mute_vm_audio_call_count(), 1);
base::RunLoop().RunUntilIdle();
const char* histogram_name = IsMuteAudioRequest()
? kMuteAudioWithSuccessHistogram
: kUnmuteAudioWithSuccessHistogram;
histogram_tester()->ExpectUniqueSample(histogram_name,
IsMuteOrUnmuteAudioSuccess(), 1);
}
TEST_P(ArcLockedFullscreenManagerTest, RequestAfterArcStartup) {
ASSERT_NE(ArcSessionManager::State::ACTIVE, arc_session_manager()->state());
// Set up downstream client for testing purposes.
ash::FakeConciergeClient* const concierge_client =
ash::FakeConciergeClient::Get();
vm_tools::concierge::SuccessFailureResponse mute_audio_response;
mute_audio_response.set_success(IsMuteOrUnmuteAudioSuccess());
concierge_client->set_mute_vm_audio_response(mute_audio_response);
// Emulate successful startup.
arc_session_manager()->StartArcForTesting();
ASSERT_EQ(ArcSessionManager::State::ACTIVE, arc_session_manager()->state());
// Request mute or unmute audio and verify request goes through.
arc_locked_fullscreen_manager()->UpdateForLockedFullscreenMode(
IsMuteAudioRequest());
EXPECT_EQ(concierge_client->mute_vm_audio_call_count(), 1);
base::RunLoop().RunUntilIdle();
const char* histogram_name = IsMuteAudioRequest()
? kMuteAudioWithSuccessHistogram
: kUnmuteAudioWithSuccessHistogram;
histogram_tester()->ExpectUniqueSample(histogram_name,
IsMuteOrUnmuteAudioSuccess(), 1);
}
TEST_P(ArcLockedFullscreenManagerTest, OnArcRestart) {
ASSERT_NE(ArcSessionManager::State::ACTIVE, arc_session_manager()->state());
// Set up downstream client for testing purposes.
ash::FakeConciergeClient* const concierge_client =
ash::FakeConciergeClient::Get();
vm_tools::concierge::SuccessFailureResponse mute_audio_response;
mute_audio_response.set_success(IsMuteOrUnmuteAudioSuccess());
concierge_client->set_mute_vm_audio_response(mute_audio_response);
// Request mute or unmute audio before ARC startup.
arc_locked_fullscreen_manager()->UpdateForLockedFullscreenMode(
IsMuteAudioRequest());
ASSERT_EQ(concierge_client->mute_vm_audio_call_count(), 0);
// Emulate successful startup.
arc_session_manager()->StartArcForTesting();
ASSERT_EQ(ArcSessionManager::State::ACTIVE, arc_session_manager()->state());
// Verify request goes through now.
ASSERT_EQ(concierge_client->mute_vm_audio_call_count(), 1);
base::RunLoop().RunUntilIdle();
const char* histogram_name = IsMuteAudioRequest()
? kMuteAudioWithSuccessHistogram
: kUnmuteAudioWithSuccessHistogram;
histogram_tester()->ExpectUniqueSample(histogram_name,
IsMuteOrUnmuteAudioSuccess(), 1);
// Stop and restart ARC and verify mute or unmute audio request is only
// submitted if either of the following are true:
// 1. Audio was originally muted.
// 2. Previous unmute request failed.
arc_session_manager()->StopAndEnableArc();
arc_session_manager()->StartArcForTesting();
base::RunLoop().RunUntilIdle();
if (IsMuteAudioRequest() || !IsMuteOrUnmuteAudioSuccess()) {
EXPECT_EQ(concierge_client->mute_vm_audio_call_count(), 2);
histogram_tester()->ExpectUniqueSample(histogram_name,
IsMuteOrUnmuteAudioSuccess(), 2);
} else {
EXPECT_EQ(concierge_client->mute_vm_audio_call_count(), 1);
}
}
INSTANTIATE_TEST_SUITE_P(ArcLockedFullscreenManagerTests,
ArcLockedFullscreenManagerTest,
testing::Combine(testing::Bool(), testing::Bool()));
} // namespace
} // namespace arc
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