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// Copyright (c) 2013 The Chromium Authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#include "chromeos/dbus/power_policy_controller.h"
#include "base/memory/scoped_ptr.h"
#include "base/message_loop/message_loop.h"
#include "chromeos/dbus/fake_power_manager_client.h"
#include "testing/gtest/include/gtest/gtest.h"
namespace chromeos {
class PowerPolicyControllerTest : public testing::Test {
public:
PowerPolicyControllerTest()
: fake_power_client_(new FakePowerManagerClient) {}
~PowerPolicyControllerTest() override {}
void SetUp() override {
PowerPolicyController::Initialize(fake_power_client_.get());
ASSERT_TRUE(PowerPolicyController::IsInitialized());
policy_controller_ = PowerPolicyController::Get();
}
void TearDown() override {
if (PowerPolicyController::IsInitialized())
PowerPolicyController::Shutdown();
}
protected:
scoped_ptr<FakePowerManagerClient> fake_power_client_;
PowerPolicyController* policy_controller_;
base::MessageLoop message_loop_;
};
TEST_F(PowerPolicyControllerTest, Prefs) {
PowerPolicyController::PrefValues prefs;
prefs.ac_screen_dim_delay_ms = 600000;
prefs.ac_screen_off_delay_ms = 660000;
prefs.ac_idle_delay_ms = 720000;
prefs.battery_screen_dim_delay_ms = 300000;
prefs.battery_screen_off_delay_ms = 360000;
prefs.battery_idle_delay_ms = 420000;
prefs.ac_idle_action = PowerPolicyController::ACTION_SUSPEND;
prefs.battery_idle_action = PowerPolicyController::ACTION_STOP_SESSION;
prefs.lid_closed_action = PowerPolicyController::ACTION_SHUT_DOWN;
prefs.use_audio_activity = true;
prefs.use_video_activity = true;
prefs.ac_brightness_percent = 87.0;
prefs.battery_brightness_percent = 43.0;
prefs.enable_auto_screen_lock = false;
prefs.presentation_screen_dim_delay_factor = 3.0;
prefs.user_activity_screen_dim_delay_factor = 2.0;
prefs.wait_for_initial_user_activity = true;
prefs.force_nonzero_brightness_for_user_activity = false;
policy_controller_->ApplyPrefs(prefs);
power_manager::PowerManagementPolicy expected_policy;
expected_policy.mutable_ac_delays()->set_screen_dim_ms(600000);
expected_policy.mutable_ac_delays()->set_screen_off_ms(660000);
expected_policy.mutable_ac_delays()->set_screen_lock_ms(-1);
expected_policy.mutable_ac_delays()->set_idle_warning_ms(-1);
expected_policy.mutable_ac_delays()->set_idle_ms(720000);
expected_policy.mutable_battery_delays()->set_screen_dim_ms(300000);
expected_policy.mutable_battery_delays()->set_screen_off_ms(360000);
expected_policy.mutable_battery_delays()->set_screen_lock_ms(-1);
expected_policy.mutable_battery_delays()->set_idle_warning_ms(-1);
expected_policy.mutable_battery_delays()->set_idle_ms(420000);
expected_policy.set_ac_idle_action(
power_manager::PowerManagementPolicy_Action_SUSPEND);
expected_policy.set_battery_idle_action(
power_manager::PowerManagementPolicy_Action_STOP_SESSION);
expected_policy.set_lid_closed_action(
power_manager::PowerManagementPolicy_Action_SHUT_DOWN);
expected_policy.set_use_audio_activity(true);
expected_policy.set_use_video_activity(true);
expected_policy.set_ac_brightness_percent(87.0);
expected_policy.set_battery_brightness_percent(43.0);
expected_policy.set_presentation_screen_dim_delay_factor(3.0);
expected_policy.set_user_activity_screen_dim_delay_factor(2.0);
expected_policy.set_wait_for_initial_user_activity(true);
expected_policy.set_force_nonzero_brightness_for_user_activity(false);
expected_policy.set_reason(PowerPolicyController::kPrefsReason);
EXPECT_EQ(PowerPolicyController::GetPolicyDebugString(expected_policy),
PowerPolicyController::GetPolicyDebugString(
fake_power_client_->policy()));
// Change some prefs and check that an updated policy is sent.
prefs.ac_idle_warning_delay_ms = 700000;
prefs.battery_idle_warning_delay_ms = 400000;
prefs.lid_closed_action = PowerPolicyController::ACTION_SUSPEND;
prefs.ac_brightness_percent = -1.0;
prefs.force_nonzero_brightness_for_user_activity = true;
policy_controller_->ApplyPrefs(prefs);
expected_policy.mutable_ac_delays()->set_idle_warning_ms(700000);
expected_policy.mutable_battery_delays()->set_idle_warning_ms(400000);
expected_policy.set_lid_closed_action(
power_manager::PowerManagementPolicy_Action_SUSPEND);
expected_policy.clear_ac_brightness_percent();
expected_policy.set_force_nonzero_brightness_for_user_activity(true);
EXPECT_EQ(PowerPolicyController::GetPolicyDebugString(expected_policy),
PowerPolicyController::GetPolicyDebugString(
fake_power_client_->policy()));
// The enable-auto-screen-lock pref should force the screen-lock delays to
// match the screen-off delays plus a constant value.
prefs.enable_auto_screen_lock = true;
policy_controller_->ApplyPrefs(prefs);
expected_policy.mutable_ac_delays()->set_screen_lock_ms(
660000 + PowerPolicyController::kScreenLockAfterOffDelayMs);
expected_policy.mutable_battery_delays()->set_screen_lock_ms(
360000 + PowerPolicyController::kScreenLockAfterOffDelayMs);
EXPECT_EQ(PowerPolicyController::GetPolicyDebugString(expected_policy),
PowerPolicyController::GetPolicyDebugString(
fake_power_client_->policy()));
// If the screen-lock-delay prefs are set to lower values than the
// screen-off delays plus the constant, the lock prefs should take
// precedence.
prefs.ac_screen_lock_delay_ms = 70000;
prefs.battery_screen_lock_delay_ms = 60000;
policy_controller_->ApplyPrefs(prefs);
expected_policy.mutable_ac_delays()->set_screen_lock_ms(70000);
expected_policy.mutable_battery_delays()->set_screen_lock_ms(60000);
EXPECT_EQ(PowerPolicyController::GetPolicyDebugString(expected_policy),
PowerPolicyController::GetPolicyDebugString(
fake_power_client_->policy()));
// If the artificial screen-lock delays would exceed the idle delay, they
// shouldn't be set -- the power manager would ignore them since the
// idle action should lock the screen in this case.
prefs.ac_screen_off_delay_ms = prefs.ac_idle_delay_ms - 1;
prefs.battery_screen_off_delay_ms = prefs.battery_idle_delay_ms - 1;
prefs.ac_screen_lock_delay_ms = -1;
prefs.battery_screen_lock_delay_ms = -1;
policy_controller_->ApplyPrefs(prefs);
expected_policy.mutable_ac_delays()->set_screen_off_ms(
prefs.ac_screen_off_delay_ms);
expected_policy.mutable_battery_delays()->set_screen_off_ms(
prefs.battery_screen_off_delay_ms);
expected_policy.mutable_ac_delays()->set_screen_lock_ms(-1);
expected_policy.mutable_battery_delays()->set_screen_lock_ms(-1);
EXPECT_EQ(PowerPolicyController::GetPolicyDebugString(expected_policy),
PowerPolicyController::GetPolicyDebugString(
fake_power_client_->policy()));
// Set the "allow screen wake locks" pref to false. The system should be
// prevented from suspending due to user inactivity on AC power but the
// pref-supplied screen-related delays should be left untouched.
prefs.allow_screen_wake_locks = false;
policy_controller_->ApplyPrefs(prefs);
policy_controller_->AddScreenWakeLock(PowerPolicyController::REASON_OTHER,
"Screen");
expected_policy.set_ac_idle_action(
power_manager::PowerManagementPolicy_Action_DO_NOTHING);
expected_policy.set_reason(std::string(PowerPolicyController::kPrefsReason) +
", Screen");
EXPECT_EQ(PowerPolicyController::GetPolicyDebugString(expected_policy),
PowerPolicyController::GetPolicyDebugString(
fake_power_client_->policy()));
}
TEST_F(PowerPolicyControllerTest, WakeLocks) {
const char kSystemWakeLockReason[] = "system";
const int system_id = policy_controller_->AddSystemWakeLock(
PowerPolicyController::REASON_OTHER, kSystemWakeLockReason);
power_manager::PowerManagementPolicy expected_policy;
expected_policy.set_ac_idle_action(
power_manager::PowerManagementPolicy_Action_DO_NOTHING);
expected_policy.set_battery_idle_action(
power_manager::PowerManagementPolicy_Action_DO_NOTHING);
expected_policy.set_reason(kSystemWakeLockReason);
EXPECT_EQ(PowerPolicyController::GetPolicyDebugString(expected_policy),
PowerPolicyController::GetPolicyDebugString(
fake_power_client_->policy()));
const char kScreenWakeLockReason[] = "screen";
const int screen_id = policy_controller_->AddScreenWakeLock(
PowerPolicyController::REASON_OTHER, kScreenWakeLockReason);
expected_policy.mutable_ac_delays()->set_screen_dim_ms(0);
expected_policy.mutable_ac_delays()->set_screen_off_ms(0);
expected_policy.mutable_ac_delays()->set_screen_lock_ms(0);
expected_policy.mutable_battery_delays()->set_screen_dim_ms(0);
expected_policy.mutable_battery_delays()->set_screen_off_ms(0);
expected_policy.mutable_battery_delays()->set_screen_lock_ms(0);
expected_policy.set_reason(std::string(kSystemWakeLockReason) + ", " +
kScreenWakeLockReason);
EXPECT_EQ(PowerPolicyController::GetPolicyDebugString(expected_policy),
PowerPolicyController::GetPolicyDebugString(
fake_power_client_->policy()));
policy_controller_->RemoveWakeLock(system_id);
expected_policy.set_reason(kScreenWakeLockReason);
EXPECT_EQ(PowerPolicyController::GetPolicyDebugString(expected_policy),
PowerPolicyController::GetPolicyDebugString(
fake_power_client_->policy()));
policy_controller_->RemoveWakeLock(screen_id);
expected_policy.Clear();
EXPECT_EQ(PowerPolicyController::GetPolicyDebugString(expected_policy),
PowerPolicyController::GetPolicyDebugString(
fake_power_client_->policy()));
}
TEST_F(PowerPolicyControllerTest, IgnoreMediaWakeLocksWhenRequested) {
PowerPolicyController::PrefValues prefs;
policy_controller_->ApplyPrefs(prefs);
const power_manager::PowerManagementPolicy kDefaultPolicy =
fake_power_client_->policy();
// Wake locks created for audio or video playback should be ignored when the
// |use_audio_activity| or |use_video_activity| prefs are unset.
prefs.use_audio_activity = false;
prefs.use_video_activity = false;
policy_controller_->ApplyPrefs(prefs);
const int audio_id = policy_controller_->AddSystemWakeLock(
PowerPolicyController::REASON_AUDIO_PLAYBACK, "audio");
const int video_id = policy_controller_->AddScreenWakeLock(
PowerPolicyController::REASON_VIDEO_PLAYBACK, "video");
power_manager::PowerManagementPolicy expected_policy = kDefaultPolicy;
expected_policy.set_use_audio_activity(false);
expected_policy.set_use_video_activity(false);
expected_policy.set_reason(PowerPolicyController::kPrefsReason);
EXPECT_EQ(PowerPolicyController::GetPolicyDebugString(expected_policy),
PowerPolicyController::GetPolicyDebugString(
fake_power_client_->policy()));
// Non-media screen wake locks should still be honored.
const int other_id = policy_controller_->AddScreenWakeLock(
PowerPolicyController::REASON_OTHER, "other");
expected_policy.set_ac_idle_action(
power_manager::PowerManagementPolicy_Action_DO_NOTHING);
expected_policy.set_battery_idle_action(
power_manager::PowerManagementPolicy_Action_DO_NOTHING);
expected_policy.mutable_ac_delays()->set_screen_dim_ms(0);
expected_policy.mutable_ac_delays()->set_screen_off_ms(0);
expected_policy.mutable_ac_delays()->set_screen_lock_ms(0);
expected_policy.mutable_battery_delays()->set_screen_dim_ms(0);
expected_policy.mutable_battery_delays()->set_screen_off_ms(0);
expected_policy.mutable_battery_delays()->set_screen_lock_ms(0);
expected_policy.set_reason(std::string(PowerPolicyController::kPrefsReason) +
", other");
EXPECT_EQ(PowerPolicyController::GetPolicyDebugString(expected_policy),
PowerPolicyController::GetPolicyDebugString(
fake_power_client_->policy()));
// Start honoring audio activity and check that the audio wake lock is used.
policy_controller_->RemoveWakeLock(other_id);
prefs.use_audio_activity = true;
policy_controller_->ApplyPrefs(prefs);
expected_policy = kDefaultPolicy;
expected_policy.set_use_video_activity(false);
expected_policy.set_ac_idle_action(
power_manager::PowerManagementPolicy_Action_DO_NOTHING);
expected_policy.set_battery_idle_action(
power_manager::PowerManagementPolicy_Action_DO_NOTHING);
expected_policy.set_reason(std::string(PowerPolicyController::kPrefsReason) +
", audio");
EXPECT_EQ(PowerPolicyController::GetPolicyDebugString(expected_policy),
PowerPolicyController::GetPolicyDebugString(
fake_power_client_->policy()));
policy_controller_->RemoveWakeLock(audio_id);
policy_controller_->RemoveWakeLock(video_id);
}
TEST_F(PowerPolicyControllerTest, AvoidSendingEmptyPolicies) {
// Check that empty policies aren't sent when PowerPolicyController is created
// or destroyed.
EXPECT_EQ(0, fake_power_client_->num_set_policy_calls());
PowerPolicyController::Shutdown();
EXPECT_EQ(0, fake_power_client_->num_set_policy_calls());
}
} // namespace chromeos
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