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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.setupwizardlib.view;
     18 
     19 import static org.junit.Assert.assertEquals;
     20 import static org.junit.Assert.assertNotNull;
     21 import static org.mockito.Mockito.mock;
     22 import static org.mockito.Mockito.reset;
     23 import static org.mockito.Mockito.verify;
     24 import static org.robolectric.RuntimeEnvironment.application;
     25 
     26 import android.annotation.TargetApi;
     27 import android.content.Context;
     28 import android.graphics.SurfaceTexture;
     29 import android.media.MediaPlayer;
     30 import android.os.Build.VERSION_CODES;
     31 import android.support.annotation.RawRes;
     32 import android.view.Surface;
     33 
     34 import com.android.setupwizardlib.BuildConfig;
     35 import com.android.setupwizardlib.R;
     36 import com.android.setupwizardlib.robolectric.SuwLibRobolectricTestRunner;
     37 import com.android.setupwizardlib.view.IllustrationVideoViewTest.ShadowMockMediaPlayer;
     38 import com.android.setupwizardlib.view.IllustrationVideoViewTest.ShadowSurface;
     39 
     40 import org.junit.After;
     41 import org.junit.Before;
     42 import org.junit.Test;
     43 import org.junit.runner.RunWith;
     44 import org.mockito.Mock;
     45 import org.mockito.MockitoAnnotations;
     46 import org.robolectric.Robolectric;
     47 import org.robolectric.annotation.Config;
     48 import org.robolectric.annotation.Implementation;
     49 import org.robolectric.annotation.Implements;
     50 import org.robolectric.annotation.RealObject;
     51 import org.robolectric.internal.Shadow;
     52 import org.robolectric.shadows.ShadowMediaPlayer;
     53 import org.robolectric.util.ReflectionHelpers;
     54 
     55 @RunWith(SuwLibRobolectricTestRunner.class)
     56 @Config(
     57         constants = BuildConfig.class,
     58         sdk = Config.NEWEST_SDK,
     59         shadows = {
     60                 ShadowMockMediaPlayer.class,
     61                 ShadowSurface.class
     62         })
     63 public class IllustrationVideoViewTest {
     64 
     65     @Mock
     66     private SurfaceTexture mSurfaceTexture;
     67 
     68     private IllustrationVideoView mView;
     69 
     70     @Before
     71     public void setUp() {
     72         MockitoAnnotations.initMocks(this);
     73     }
     74 
     75     @After
     76     public void tearDown() {
     77         ShadowMockMediaPlayer.reset();
     78     }
     79 
     80     @Test
     81     public void testPausedWhenWindowFocusLost() {
     82         createDefaultView();
     83         mView.start();
     84 
     85         assertNotNull(mView.mMediaPlayer);
     86         assertNotNull(mView.mSurface);
     87 
     88         mView.onWindowFocusChanged(false);
     89         verify(ShadowMockMediaPlayer.getMock()).pause();
     90     }
     91 
     92     @Test
     93     public void testStartedWhenWindowFocusRegained() {
     94         testPausedWhenWindowFocusLost();
     95 
     96         // Clear verifications for calls in the other test
     97         reset(ShadowMockMediaPlayer.getMock());
     98 
     99         mView.onWindowFocusChanged(true);
    100         verify(ShadowMockMediaPlayer.getMock()).start();
    101     }
    102 
    103     @Test
    104     public void testSurfaceReleasedWhenTextureDestroyed() {
    105         createDefaultView();
    106         mView.start();
    107 
    108         assertNotNull(mView.mMediaPlayer);
    109         assertNotNull(mView.mSurface);
    110 
    111         mView.onSurfaceTextureDestroyed(mSurfaceTexture);
    112         verify(ShadowMockMediaPlayer.getMock()).release();
    113     }
    114 
    115     @Test
    116     public void testXmlSetVideoResId() {
    117         createDefaultView();
    118         assertEquals(android.R.color.white, ShadowMockMediaPlayer.sResId);
    119     }
    120 
    121     @Test
    122     public void testSetVideoResId() {
    123         createDefaultView();
    124 
    125         @RawRes int black = android.R.color.black;
    126         mView.setVideoResource(black);
    127 
    128         assertEquals(android.R.color.black, ShadowMockMediaPlayer.sResId);
    129     }
    130 
    131     private void createDefaultView() {
    132         mView = new IllustrationVideoView(
    133                 application,
    134                 Robolectric.buildAttributeSet()
    135                         // Any resource attribute should work, since the media player is mocked
    136                         .addAttribute(R.attr.suwVideo, "@android:color/white")
    137                         .build());
    138         mView.onSurfaceTextureAvailable(mSurfaceTexture, 500, 500);
    139     }
    140 
    141     @Implements(MediaPlayer.class)
    142     public static class ShadowMockMediaPlayer extends ShadowMediaPlayer {
    143 
    144         private static MediaPlayer sMediaPlayer = mock(MediaPlayer.class);
    145         private static int sResId;
    146 
    147         public static void reset() {
    148             sMediaPlayer = mock(MediaPlayer.class);
    149             sResId = 0;
    150         }
    151 
    152         @Implementation
    153         public static MediaPlayer create(Context context, int resId) {
    154             sResId = resId;
    155             return sMediaPlayer;
    156         }
    157 
    158         public static MediaPlayer getMock() {
    159             return sMediaPlayer;
    160         }
    161     }
    162 
    163     @Implements(Surface.class)
    164     @TargetApi(VERSION_CODES.HONEYCOMB)
    165     public static class ShadowSurface extends org.robolectric.shadows.ShadowSurface {
    166 
    167         @RealObject
    168         private Surface mRealSurface;
    169 
    170         public void __constructor__(SurfaceTexture surfaceTexture) {
    171             // Call the constructor on the real object, so that critical fields such as mLock is
    172             // initialized properly.
    173             Shadow.invokeConstructor(Surface.class, mRealSurface,
    174                     ReflectionHelpers.ClassParameter.from(SurfaceTexture.class, surfaceTexture));
    175             super.__constructor__(surfaceTexture);
    176         }
    177     }
    178 }
    179