1 /* 2 * Copyright (C) 2016 The Android Open Source Project 3 * 4 * Licensed under the Apache License, Version 2.0 (the "License"); 5 * you may not use this file except in compliance with the License. 6 * You may obtain a copy of the License at 7 * 8 * http://www.apache.org/licenses/LICENSE-2.0 9 * 10 * Unless required by applicable law or agreed to in writing, software 11 * distributed under the License is distributed on an "AS IS" BASIS, 12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 13 * See the License for the specific language governing permissions and 14 * limitations under the License. 15 */ 16 17 package com.android.settings.display; 18 19 import static android.provider.Settings.System.SHOW_BATTERY_PERCENT; 20 import static com.google.common.truth.Truth.assertThat; 21 22 import android.content.Context; 23 import android.provider.Settings; 24 import com.android.settings.testutils.SettingsRobolectricTestRunner; 25 import com.android.settings.TestConfig; 26 import org.junit.Before; 27 import org.junit.Test; 28 import org.junit.runner.RunWith; 29 import org.mockito.Mock; 30 import org.mockito.MockitoAnnotations; 31 import org.robolectric.annotation.Config; 32 33 @RunWith(SettingsRobolectricTestRunner.class) 34 @Config(manifest = TestConfig.MANIFEST_PATH, sdk = TestConfig.SDK_VERSION) 35 public class BatteryPercentagePreferenceControllerTest { 36 @Mock private Context mContext; 37 private BatteryPercentagePreferenceController mController; 38 39 @Before 40 public void setup() { 41 MockitoAnnotations.initMocks(this); 42 mController = new BatteryPercentagePreferenceController(mContext); 43 } 44 45 private int getPercentageSetting() { 46 return Settings.System.getInt(mContext.getContentResolver(), SHOW_BATTERY_PERCENT, 0); 47 } 48 49 @Test 50 public void testOnPreferenceChange_TurnOnPercentage_PercentageOn() { 51 mController.onPreferenceChange(null, true); 52 final int isOn = getPercentageSetting(); 53 assertThat(isOn).isEqualTo(1); 54 } 55 56 @Test 57 public void testOnPreferenceChange_TurnOffPercentage_PercentageOff() { 58 mController.onPreferenceChange(null, false); 59 final int isOn = getPercentageSetting(); 60 assertThat(isOn).isEqualTo(0); 61 } 62 } 63