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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.content.Context;
     24 import android.os.SystemProperties;
     25 import android.support.v7.preference.ListPreference;
     26 import android.support.v7.preference.PreferenceScreen;
     27 import android.view.ThreadedRenderer;
     28 
     29 import com.android.settings.R;
     30 import com.android.settings.testutils.SettingsRobolectricTestRunner;
     31 
     32 import org.junit.Before;
     33 import org.junit.Test;
     34 import org.junit.runner.RunWith;
     35 import org.mockito.Mock;
     36 import org.mockito.MockitoAnnotations;
     37 import org.robolectric.RuntimeEnvironment;
     38 
     39 @RunWith(SettingsRobolectricTestRunner.class)
     40 public class ProfileGpuRenderingPreferenceControllerTest {
     41 
     42     @Mock
     43     private ListPreference mPreference;
     44     @Mock
     45     private PreferenceScreen mScreen;
     46 
     47     /**
     48      * 0: Off
     49      * 1: On screen as bars
     50      * 2: In adb shell dumpsys gfxinfo
     51      */
     52     private String[] mListValues;
     53     private String[] mListSummaries;
     54     private Context mContext;
     55     private ProfileGpuRenderingPreferenceController mController;
     56 
     57     @Before
     58     public void setup() {
     59         MockitoAnnotations.initMocks(this);
     60         mContext = RuntimeEnvironment.application;
     61         mListValues = mContext.getResources().getStringArray(R.array.track_frame_time_values);
     62         mListSummaries = mContext.getResources().getStringArray(R.array.track_frame_time_entries);
     63         mController = new ProfileGpuRenderingPreferenceController(mContext);
     64         when(mScreen.findPreference(mController.getPreferenceKey())).thenReturn(mPreference);
     65         mController.displayPreference(mScreen);
     66     }
     67 
     68     @Test
     69     public void onPreferenceChange_noValueSet_shouldSetEmptyString() {
     70         mController.onPreferenceChange(mPreference, null /* new value */);
     71 
     72         String mode = SystemProperties.get(ThreadedRenderer.PROFILE_PROPERTY);
     73         assertThat(mode).isEqualTo("");
     74     }
     75 
     76     @Test
     77     public void onPreferenceChange_option1Selected_shouldSetOption1() {
     78         mController.onPreferenceChange(mPreference, mListValues[1]);
     79 
     80         String mode = SystemProperties.get(ThreadedRenderer.PROFILE_PROPERTY);
     81         assertThat(mode).isEqualTo(mListValues[1]);
     82     }
     83 
     84     @Test
     85     public void updateState_option1Set_shouldUpdatePreferenceToOption1() {
     86         SystemProperties.set(ThreadedRenderer.PROFILE_PROPERTY, mListValues[1]);
     87 
     88         mController.updateState(mPreference);
     89 
     90         verify(mPreference).setValue(mListValues[1]);
     91         verify(mPreference).setSummary(mListSummaries[1]);
     92     }
     93 
     94     @Test
     95     public void updateState_option2Set_shouldUpdatePreferenceToOption2() {
     96         SystemProperties.set(ThreadedRenderer.PROFILE_PROPERTY, mListValues[2]);
     97 
     98         mController.updateState(mPreference);
     99 
    100         verify(mPreference).setValue(mListValues[2]);
    101         verify(mPreference).setSummary(mListSummaries[2]);
    102     }
    103 
    104     @Test
    105     public void updateState_noOptionSet_shouldDefaultToOption0() {
    106         SystemProperties.set(ThreadedRenderer.PROFILE_PROPERTY, null);
    107 
    108         mController.updateState(mPreference);
    109 
    110         verify(mPreference).setValue(mListValues[0]);
    111         verify(mPreference).setSummary(mListSummaries[0]);
    112     }
    113 }
    114