1 /*
2  * Copyright (C) 2019 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 com.google.common.truth.Truth.assertThat;
20 
21 import static org.mockito.Mockito.doReturn;
22 import static org.mockito.Mockito.spy;
23 
24 import android.content.Context;
25 
26 import com.android.settings.display.darkmode.DarkModePreference;
27 
28 import org.junit.Before;
29 import org.junit.Test;
30 import org.junit.runner.RunWith;
31 import org.mockito.MockitoAnnotations;
32 import org.robolectric.RobolectricTestRunner;
33 import org.robolectric.RuntimeEnvironment;
34 
35 @RunWith(RobolectricTestRunner.class)
36 public class DarkUIPreferenceControllerTest {
37 
38     private DarkUIPreferenceController mController;
39     private Context mContext;
40 
41     @Before
setUp()42     public void setUp() {
43         MockitoAnnotations.initMocks(this);
44         mContext = spy(RuntimeEnvironment.application);
45         mController = spy(new DarkUIPreferenceController(mContext, "dark_ui_mode"));
46         mController.mPreference = new DarkModePreference(mContext, null /* AttributeSet attrs */);
47         mController.onStart();
48     }
49 
50     @Test
batterySaverToggles_disabledStateUpdates()51     public void batterySaverToggles_disabledStateUpdates() {
52         doReturn(true).when(mController).isPowerSaveMode();
53         mController.updateEnabledStateIfNeeded();
54         assertThat(mController.mPreference.isEnabled()).isFalse();
55 
56         doReturn(false).when(mController).isPowerSaveMode();
57         mController.updateEnabledStateIfNeeded();
58         assertThat(mController.mPreference.isEnabled()).isTrue();
59 
60         doReturn(true).when(mController).isPowerSaveMode();
61         mController.updateEnabledStateIfNeeded();
62         assertThat(mController.mPreference.isEnabled()).isFalse();
63     }
64 }
65