| // Copyright 2015 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/fake_power_manager_client.h" |
| |
| #include "base/macros.h" |
| #include "base/message_loop/message_loop.h" |
| #include "base/run_loop.h" |
| #include "testing/gtest/include/gtest/gtest.h" |
| |
| namespace chromeos { |
| namespace { |
| |
| const double kInitialBatteryPercent = 85; |
| const double kUpdatedBatteryPercent = 70; |
| const power_manager::PowerSupplyProperties_BatteryState kInitialBatteryState = |
| power_manager::PowerSupplyProperties_BatteryState_DISCHARGING; |
| const power_manager::PowerSupplyProperties_ExternalPower kInitialExternalPower = |
| power_manager::PowerSupplyProperties_ExternalPower_USB; |
| |
| class TestObserver : public PowerManagerClient::Observer { |
| public: |
| TestObserver() : num_power_changed_(0) {} |
| ~TestObserver() override = default; |
| |
| const power_manager::PowerSupplyProperties& props() const { return props_; } |
| int num_power_changed() const { return num_power_changed_; } |
| |
| void ClearProps() { props_.Clear(); } |
| |
| void PowerChanged( |
| const power_manager::PowerSupplyProperties& proto) override { |
| props_ = proto; |
| ++num_power_changed_; |
| } |
| |
| private: |
| int num_power_changed_; |
| power_manager::PowerSupplyProperties props_; |
| |
| DISALLOW_COPY_AND_ASSIGN(TestObserver); |
| }; |
| |
| void SetTestProperties(power_manager::PowerSupplyProperties* props) { |
| props->set_battery_percent(kInitialBatteryPercent); |
| props->set_is_calculating_battery_time(true); |
| props->set_battery_state(kInitialBatteryState); |
| props->set_external_power(kInitialExternalPower); |
| } |
| |
| } // namespace |
| |
| TEST(FakePowerManagerClientTest, UpdatePowerPropertiesTest) { |
| // Checking to verify when UpdatePowerProperties is called, |
| // |props_| values are updated. |
| FakePowerManagerClient client; |
| power_manager::PowerSupplyProperties props; |
| |
| SetTestProperties(&props); |
| client.UpdatePowerProperties(props); |
| |
| EXPECT_EQ(kInitialBatteryPercent, client.GetLastStatus()->battery_percent()); |
| EXPECT_TRUE(client.GetLastStatus()->is_calculating_battery_time()); |
| EXPECT_EQ(kInitialBatteryState, client.GetLastStatus()->battery_state()); |
| EXPECT_EQ(kInitialExternalPower, client.GetLastStatus()->external_power()); |
| |
| // Test if when the values are changed, the correct data is set in the |
| // FakePowerManagerClient. |
| props = *client.GetLastStatus(); |
| props.set_battery_percent(kUpdatedBatteryPercent); |
| client.UpdatePowerProperties(props); |
| |
| EXPECT_EQ(kUpdatedBatteryPercent, client.GetLastStatus()->battery_percent()); |
| EXPECT_TRUE(client.GetLastStatus()->is_calculating_battery_time()); |
| EXPECT_EQ(kInitialBatteryState, client.GetLastStatus()->battery_state()); |
| EXPECT_EQ(kInitialExternalPower, client.GetLastStatus()->external_power()); |
| } |
| |
| TEST(FakePowerManagerClientTest, NotifyObserversTest) { |
| FakePowerManagerClient client; |
| TestObserver test_observer; |
| |
| // Test adding observer. |
| client.AddObserver(&test_observer); |
| EXPECT_TRUE(client.HasObserver(&test_observer)); |
| |
| // Test if NotifyObservers() sends the correct values to |observer|. |
| // Check number of times NotifyObservers() is called. |
| power_manager::PowerSupplyProperties props; |
| SetTestProperties(&props); |
| client.UpdatePowerProperties(props); |
| |
| EXPECT_EQ(kInitialBatteryPercent, test_observer.props().battery_percent()); |
| EXPECT_TRUE(test_observer.props().is_calculating_battery_time()); |
| EXPECT_EQ(kInitialBatteryState, test_observer.props().battery_state()); |
| EXPECT_EQ(kInitialExternalPower, test_observer.props().external_power()); |
| EXPECT_EQ(1, test_observer.num_power_changed()); |
| |
| // Test if RequestStatusUpdate() will propagate the data to the observer. |
| // Check number of times NotifyObservers is called. |
| // RequestStatusUpdate posts to the current message loop. This is |
| // necessary because we want to make sure that NotifyObservers() is |
| // called as a result of RequestStatusUpdate(). |
| base::MessageLoopForUI message_loop; |
| test_observer.ClearProps(); |
| client.RequestStatusUpdate(); |
| base::RunLoop().RunUntilIdle(); |
| |
| EXPECT_EQ(kInitialBatteryPercent, test_observer.props().battery_percent()); |
| EXPECT_TRUE(test_observer.props().is_calculating_battery_time()); |
| EXPECT_EQ(kInitialBatteryState, test_observer.props().battery_state()); |
| EXPECT_EQ(kInitialExternalPower, test_observer.props().external_power()); |
| EXPECT_EQ(2, test_observer.num_power_changed()); |
| |
| // Check when values are changed, the correct values are propagated to the |
| // observer |
| props = *client.GetLastStatus(); |
| props.set_battery_percent(kUpdatedBatteryPercent); |
| props.set_external_power( |
| power_manager::PowerSupplyProperties_ExternalPower_AC); |
| client.UpdatePowerProperties(props); |
| |
| EXPECT_EQ(kUpdatedBatteryPercent, test_observer.props().battery_percent()); |
| EXPECT_TRUE(test_observer.props().is_calculating_battery_time()); |
| EXPECT_EQ(kInitialBatteryState, test_observer.props().battery_state()); |
| EXPECT_EQ(power_manager::PowerSupplyProperties_ExternalPower_AC, |
| test_observer.props().external_power()); |
| EXPECT_EQ(3, test_observer.num_power_changed()); |
| |
| // Test removing observer. |
| client.RemoveObserver(&test_observer); |
| EXPECT_FALSE(client.HasObserver(&test_observer)); |
| } |
| |
| } // namespace chromeos |