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// Copyright 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 "ash/system/chromeos/power/tray_power.h"
#include "ash/ash_switches.h"
#include "ash/test/ash_test_base.h"
#include "base/memory/scoped_ptr.h"
#include "chromeos/dbus/power_manager/power_supply_properties.pb.h"
#include "ui/message_center/fake_message_center.h"
using message_center::Notification;
using power_manager::PowerSupplyProperties;
namespace {
class MockMessageCenter : public message_center::FakeMessageCenter {
public:
MockMessageCenter() : add_count_(0), remove_count_(0) {}
virtual ~MockMessageCenter() {}
int add_count() const { return add_count_; }
int remove_count() const { return remove_count_; }
// message_center::FakeMessageCenter overrides:
virtual void AddNotification(scoped_ptr<Notification> notification) OVERRIDE {
add_count_++;
}
virtual void RemoveNotification(const std::string& id, bool by_user)
OVERRIDE {
remove_count_++;
}
private:
int add_count_;
int remove_count_;
DISALLOW_COPY_AND_ASSIGN(MockMessageCenter);
};
} // namespace
namespace ash {
namespace internal {
class TrayPowerTest : public test::AshTestBase {
public:
TrayPowerTest() {}
virtual ~TrayPowerTest() {}
MockMessageCenter* message_center() { return message_center_.get(); }
TrayPower* tray_power() { return tray_power_.get(); }
// test::AshTestBase::SetUp() overrides:
virtual void SetUp() OVERRIDE {
test::AshTestBase::SetUp();
message_center_.reset(new MockMessageCenter());
tray_power_.reset(new TrayPower(NULL, message_center_.get()));
}
virtual void TearDown() OVERRIDE {
tray_power_.reset();
message_center_.reset();
test::AshTestBase::TearDown();
}
TrayPower::NotificationState notification_state() const {
return tray_power_->notification_state_;
}
bool MaybeShowUsbChargerNotification(const PowerSupplyProperties& proto) {
PowerStatus::Get()->SetProtoForTesting(proto);
return tray_power_->MaybeShowUsbChargerNotification();
}
bool UpdateNotificationState(const PowerSupplyProperties& proto) {
PowerStatus::Get()->SetProtoForTesting(proto);
return tray_power_->UpdateNotificationState();
}
void SetUsbChargerConnected(bool connected) {
tray_power_->usb_charger_was_connected_ = connected;
}
// Returns a discharging PowerSupplyProperties more appropriate for testing.
static PowerSupplyProperties DefaultPowerSupplyProperties() {
PowerSupplyProperties proto;
proto.set_external_power(
power_manager::PowerSupplyProperties_ExternalPower_DISCONNECTED);
proto.set_battery_state(
power_manager::PowerSupplyProperties_BatteryState_DISCHARGING);
proto.set_battery_percent(50.0);
proto.set_battery_time_to_empty_sec(3 * 60 * 60);
proto.set_battery_time_to_full_sec(2 * 60 * 60);
proto.set_is_calculating_battery_time(false);
return proto;
}
private:
scoped_ptr<MockMessageCenter> message_center_;
scoped_ptr<TrayPower> tray_power_;
DISALLOW_COPY_AND_ASSIGN(TrayPowerTest);
};
TEST_F(TrayPowerTest, MaybeShowUsbChargerNotification) {
PowerSupplyProperties discharging = DefaultPowerSupplyProperties();
EXPECT_FALSE(MaybeShowUsbChargerNotification(discharging));
EXPECT_EQ(0, message_center()->add_count());
EXPECT_EQ(0, message_center()->remove_count());
// Notification shows when connecting a USB charger.
PowerSupplyProperties usb_connected = DefaultPowerSupplyProperties();
usb_connected.set_external_power(
power_manager::PowerSupplyProperties_ExternalPower_USB);
EXPECT_TRUE(MaybeShowUsbChargerNotification(usb_connected));
EXPECT_EQ(1, message_center()->add_count());
EXPECT_EQ(0, message_center()->remove_count());
// Change in charge does not trigger the notification again.
PowerSupplyProperties more_charge = DefaultPowerSupplyProperties();
more_charge.set_external_power(
power_manager::PowerSupplyProperties_ExternalPower_USB);
more_charge.set_battery_time_to_full_sec(60 * 60);
more_charge.set_battery_percent(75.0);
SetUsbChargerConnected(true);
EXPECT_FALSE(MaybeShowUsbChargerNotification(more_charge));
EXPECT_EQ(1, message_center()->add_count());
EXPECT_EQ(0, message_center()->remove_count());
// Disconnecting a USB charger with the notification showing should close
// the notification.
EXPECT_TRUE(MaybeShowUsbChargerNotification(discharging));
EXPECT_EQ(1, message_center()->add_count());
EXPECT_EQ(1, message_center()->remove_count());
}
TEST_F(TrayPowerTest, UpdateNotificationState) {
// No notifications when no battery present.
PowerSupplyProperties no_battery = DefaultPowerSupplyProperties();
no_battery.set_external_power(
power_manager::PowerSupplyProperties_ExternalPower_AC);
no_battery.set_battery_state(
power_manager::PowerSupplyProperties_BatteryState_NOT_PRESENT);
EXPECT_FALSE(UpdateNotificationState(no_battery));
EXPECT_EQ(TrayPower::NOTIFICATION_NONE, notification_state());
// No notification when calculating remaining battery time.
PowerSupplyProperties calculating = DefaultPowerSupplyProperties();
calculating.set_is_calculating_battery_time(true);
EXPECT_FALSE(UpdateNotificationState(calculating));
EXPECT_EQ(TrayPower::NOTIFICATION_NONE, notification_state());
// No notification when charging.
PowerSupplyProperties charging = DefaultPowerSupplyProperties();
charging.set_external_power(
power_manager::PowerSupplyProperties_ExternalPower_AC);
charging.set_battery_state(
power_manager::PowerSupplyProperties_BatteryState_CHARGING);
EXPECT_FALSE(UpdateNotificationState(charging));
EXPECT_EQ(TrayPower::NOTIFICATION_NONE, notification_state());
// Critical low battery notification.
PowerSupplyProperties critical = DefaultPowerSupplyProperties();
critical.set_battery_time_to_empty_sec(60);
critical.set_battery_percent(2.0);
EXPECT_TRUE(UpdateNotificationState(critical));
EXPECT_EQ(TrayPower::NOTIFICATION_CRITICAL, notification_state());
}
} // namespace internal
} // namespace ash
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