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      1 /*
      2  * Copyright (C) 2009 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 android.media.cts;
     18 
     19 import android.media.cts.R;
     20 
     21 
     22 import android.content.ComponentName;
     23 import android.content.Context;
     24 import android.media.MediaScannerConnection;
     25 import android.media.MediaScannerConnection.MediaScannerConnectionClient;
     26 import android.net.Uri;
     27 import android.os.IBinder;
     28 import android.platform.test.annotations.AppModeFull;
     29 import android.test.AndroidTestCase;
     30 
     31 import com.android.compatibility.common.util.FileCopyHelper;
     32 import com.android.compatibility.common.util.PollingCheck;
     33 
     34 import java.io.File;
     35 import java.io.FileOutputStream;
     36 import java.io.InputStream;
     37 
     38 @AppModeFull(reason = "TODO: evaluate and port to instant")
     39 public class MediaScannerConnectionTest extends AndroidTestCase {
     40 
     41     private static final String MEDIA_TYPE = "audio/mpeg";
     42     private File mMediaFile;
     43     private static final int TIME_OUT = 10000;
     44     private MockMediaScannerConnection mMediaScannerConnection;
     45     private MockMediaScannerConnectionClient mMediaScannerConnectionClient;
     46 
     47     @Override
     48     protected void setUp() throws Exception {
     49         super.setUp();
     50         // prepare the media file.
     51 
     52         FileCopyHelper copier = new FileCopyHelper(mContext);
     53         String fileName = "test" + System.currentTimeMillis();
     54         File dir = getContext().getExternalFilesDir(null);
     55         mMediaFile = new File(dir, fileName);
     56         copier.copyToExternalStorage(R.raw.testmp3, mMediaFile);
     57 
     58         assertTrue(mMediaFile.exists());
     59     }
     60 
     61     @Override
     62     protected void tearDown() throws Exception {
     63         super.tearDown();
     64         if (mMediaFile != null) {
     65             mMediaFile.delete();
     66         }
     67         if (mMediaScannerConnection != null) {
     68             mMediaScannerConnection.disconnect();
     69             mMediaScannerConnection = null;
     70         }
     71     }
     72 
     73     public void testMediaScannerConnection() throws InterruptedException {
     74         mMediaScannerConnectionClient = new MockMediaScannerConnectionClient();
     75         mMediaScannerConnection = new MockMediaScannerConnection(getContext(),
     76                                     mMediaScannerConnectionClient);
     77 
     78         assertFalse(mMediaScannerConnection.isConnected());
     79 
     80         // test connect and disconnect.
     81         mMediaScannerConnection.connect();
     82         checkConnectionState(true);
     83 
     84         assertTrue(mMediaScannerConnection.mIsOnServiceConnectedCalled);
     85         mMediaScannerConnection.disconnect();
     86 
     87         checkConnectionState(false);
     88 
     89         // FIXME: onServiceDisconnected is not called.
     90         assertFalse(mMediaScannerConnection.mIsOnServiceDisconnectedCalled);
     91         mMediaScannerConnection.connect();
     92 
     93         checkConnectionState(true);
     94 
     95         mMediaScannerConnection.scanFile(mMediaFile.getAbsolutePath(), MEDIA_TYPE);
     96 
     97         checkMediaScannerConnection();
     98 
     99         assertEquals(mMediaFile.getAbsolutePath(), mMediaScannerConnectionClient.mediaPath);
    100         assertNotNull(mMediaScannerConnectionClient.mediaUri);
    101     }
    102 
    103     private void checkMediaScannerConnection() {
    104         new PollingCheck(TIME_OUT) {
    105             protected boolean check() {
    106                 return mMediaScannerConnectionClient.isOnMediaScannerConnectedCalled;
    107             }
    108         }.run();
    109         new PollingCheck(TIME_OUT) {
    110             protected boolean check() {
    111                 return mMediaScannerConnectionClient.mediaPath != null;
    112             }
    113         }.run();
    114     }
    115 
    116     private void checkConnectionState(final boolean expected) {
    117         new PollingCheck(TIME_OUT) {
    118             protected boolean check() {
    119                 return mMediaScannerConnection.isConnected() == expected;
    120             }
    121         }.run();
    122     }
    123 
    124     class MockMediaScannerConnection extends MediaScannerConnection {
    125 
    126         public boolean mIsOnServiceConnectedCalled;
    127         public boolean mIsOnServiceDisconnectedCalled;
    128         public MockMediaScannerConnection(Context context, MediaScannerConnectionClient client) {
    129             super(context, client);
    130         }
    131 
    132         @Override
    133         public void onServiceConnected(ComponentName className, IBinder service) {
    134             super.onServiceConnected(className, service);
    135             mIsOnServiceConnectedCalled = true;
    136         }
    137 
    138         @Override
    139         public void onServiceDisconnected(ComponentName className) {
    140             super.onServiceDisconnected(className);
    141             mIsOnServiceDisconnectedCalled = true;
    142             // this is not called.
    143         }
    144     }
    145 
    146     class MockMediaScannerConnectionClient implements MediaScannerConnectionClient {
    147 
    148         public boolean isOnMediaScannerConnectedCalled;
    149         public String mediaPath;
    150         public Uri mediaUri;
    151         public void onMediaScannerConnected() {
    152             isOnMediaScannerConnectedCalled = true;
    153         }
    154 
    155         public void onScanCompleted(String path, Uri uri) {
    156             mediaPath = path;
    157             if (uri != null) {
    158                 mediaUri = uri;
    159             }
    160         }
    161 
    162     }
    163 
    164 }
    165