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      1 /*
      2  * Copyright (C) 2017 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.SCREEN_BRIGHTNESS_MODE;
     20 import static android.provider.Settings.System.SCREEN_BRIGHTNESS_MODE_AUTOMATIC;
     21 import static android.provider.Settings.System.SCREEN_BRIGHTNESS_MODE_MANUAL;
     22 import static com.google.common.truth.Truth.assertThat;
     23 
     24 import android.content.ContentResolver;
     25 import android.content.Context;
     26 import android.provider.Settings;
     27 
     28 import com.android.settings.testutils.SettingsRobolectricTestRunner;
     29 
     30 import org.junit.Before;
     31 import org.junit.Test;
     32 import org.junit.runner.RunWith;
     33 import org.mockito.MockitoAnnotations;
     34 import org.robolectric.RuntimeEnvironment;
     35 
     36 @RunWith(SettingsRobolectricTestRunner.class)
     37 public class AutoBrightnessPreferenceControllerTest {
     38 
     39     private static final String PREFERENCE_KEY = "auto_brightness";
     40 
     41     private Context mContext;
     42     private AutoBrightnessPreferenceController mController;
     43     private ContentResolver mContentResolver;
     44 
     45     @Before
     46     public void setUp() {
     47         MockitoAnnotations.initMocks(this);
     48 
     49         mContext = RuntimeEnvironment.application;
     50         mContentResolver = mContext.getContentResolver();
     51         mController = new AutoBrightnessPreferenceController(mContext, PREFERENCE_KEY);
     52     }
     53 
     54     @Test
     55     public void testOnPreferenceChange_TurnOnAuto_ReturnAuto() {
     56         mController.onPreferenceChange(null, true);
     57 
     58         final int mode = Settings.System.getInt(mContentResolver, SCREEN_BRIGHTNESS_MODE,
     59             SCREEN_BRIGHTNESS_MODE_MANUAL);
     60         assertThat(mode).isEqualTo(SCREEN_BRIGHTNESS_MODE_AUTOMATIC);
     61     }
     62 
     63     @Test
     64     public void testOnPreferenceChange_TurnOffAuto_ReturnManual() {
     65         mController.onPreferenceChange(null, false);
     66 
     67         final int mode = Settings.System.getInt(mContentResolver, SCREEN_BRIGHTNESS_MODE,
     68             SCREEN_BRIGHTNESS_MODE_AUTOMATIC);
     69         assertThat(mode).isEqualTo(SCREEN_BRIGHTNESS_MODE_MANUAL);
     70     }
     71 
     72     @Test
     73     public void testSetValue_updatesCorrectly() {
     74         boolean newValue = true;
     75         Settings.System.putInt(mContentResolver, SCREEN_BRIGHTNESS_MODE,
     76             SCREEN_BRIGHTNESS_MODE_MANUAL);
     77 
     78         mController.setChecked(newValue);
     79         boolean updatedValue = Settings.System.getInt(mContentResolver, SCREEN_BRIGHTNESS_MODE, -1)
     80                 != SCREEN_BRIGHTNESS_MODE_MANUAL;
     81 
     82         assertThat(updatedValue).isEqualTo(newValue);
     83     }
     84 
     85     @Test
     86     public void testGetValue_correctValueReturned() {
     87         Settings.System.putInt(mContentResolver, SCREEN_BRIGHTNESS_MODE,
     88             SCREEN_BRIGHTNESS_MODE_AUTOMATIC);
     89 
     90         int newValue = mController.isChecked() ?
     91                 SCREEN_BRIGHTNESS_MODE_AUTOMATIC
     92                 : SCREEN_BRIGHTNESS_MODE_MANUAL;
     93 
     94         assertThat(newValue).isEqualTo(SCREEN_BRIGHTNESS_MODE_AUTOMATIC);
     95     }
     96 
     97     @Test
     98     public void isSliceableCorrectKey_returnsTrue() {
     99         final AutoBrightnessPreferenceController controller =
    100                 new AutoBrightnessPreferenceController(mContext,
    101                         "auto_brightness");
    102         assertThat(controller.isSliceable()).isTrue();
    103     }
    104 
    105     @Test
    106     public void isSliceableIncorrectKey_returnsFalse() {
    107         final AutoBrightnessPreferenceController controller =
    108                 new AutoBrightnessPreferenceController(mContext, "bad_key");
    109         assertThat(controller.isSliceable()).isFalse();
    110     }
    111 }
    112