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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.development;
     18 
     19 import static com.google.common.truth.Truth.assertThat;
     20 import static org.mockito.Mockito.verify;
     21 import static org.mockito.Mockito.when;
     22 
     23 import android.os.SystemProperties;
     24 import android.support.v14.preference.SwitchPreference;
     25 import android.support.v7.preference.PreferenceScreen;
     26 import android.view.ThreadedRenderer;
     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.Mock;
     34 import org.mockito.MockitoAnnotations;
     35 import org.robolectric.RuntimeEnvironment;
     36 
     37 @RunWith(SettingsRobolectricTestRunner.class)
     38 public class HardwareLayersUpdatesPreferenceControllerTest {
     39 
     40     @Mock
     41     private SwitchPreference mPreference;
     42     @Mock
     43     private PreferenceScreen mPreferenceScreen;
     44 
     45     private HardwareLayersUpdatesPreferenceController mController;
     46 
     47     @Before
     48     public void setup() {
     49         MockitoAnnotations.initMocks(this);
     50         mController = new HardwareLayersUpdatesPreferenceController(RuntimeEnvironment.application);
     51         when(mPreferenceScreen.findPreference(mController.getPreferenceKey()))
     52             .thenReturn(mPreference);
     53         mController.displayPreference(mPreferenceScreen);
     54     }
     55 
     56     @Test
     57     public void onPreferenceChanged_settingEnabled_turnOnHardwareLayersUpdates() {
     58         mController.onPreferenceChange(mPreference, true /* new value */);
     59 
     60         final boolean mode = SystemProperties
     61             .getBoolean(ThreadedRenderer.DEBUG_SHOW_LAYERS_UPDATES_PROPERTY, false /* default */);
     62 
     63         assertThat(mode).isTrue();
     64     }
     65 
     66     @Test
     67     public void onPreferenceChanged_settingDisabled_turnOffHardwareLayersUpdates() {
     68         mController.onPreferenceChange(mPreference, false /* new value */);
     69 
     70         final boolean mode = SystemProperties
     71             .getBoolean(ThreadedRenderer.DEBUG_SHOW_LAYERS_UPDATES_PROPERTY, false /* default */);
     72 
     73         assertThat(mode).isFalse();
     74     }
     75 
     76     @Test
     77     public void updateState_settingEnabled_preferenceShouldBeChecked() {
     78         SystemProperties
     79             .set(ThreadedRenderer.DEBUG_SHOW_LAYERS_UPDATES_PROPERTY, Boolean.toString(true));
     80         mController.updateState(mPreference);
     81 
     82         verify(mPreference).setChecked(true);
     83     }
     84 
     85     @Test
     86     public void updateState_settingDisabled_preferenceShouldNotBeChecked() {
     87         SystemProperties
     88             .set(ThreadedRenderer.DEBUG_SHOW_LAYERS_UPDATES_PROPERTY, Boolean.toString(false));
     89         mController.updateState(mPreference);
     90 
     91         verify(mPreference).setChecked(false);
     92     }
     93 
     94     @Test
     95     public void onDeveloperOptionsDisabled_shouldDisablePreference() {
     96         mController.onDeveloperOptionsDisabled();
     97 
     98         verify(mPreference).setEnabled(false);
     99         verify(mPreference).setChecked(false);
    100     }
    101 }
    102