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      1 /*
      2  * Copyright (C) 2016 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.provider;
     18 
     19 import android.annotation.Nullable;
     20 import android.app.AppOpsManager;
     21 import android.content.Context;
     22 import android.content.ContextWrapper;
     23 import android.content.pm.ProviderInfo;
     24 import android.database.Cursor;
     25 import android.net.Uri;
     26 import android.os.CancellationSignal;
     27 import android.os.IBinder;
     28 import android.os.ParcelFileDescriptor;
     29 import android.provider.DocumentsContract.Path;
     30 
     31 import org.mockito.Mockito;
     32 
     33 import java.io.FileNotFoundException;
     34 
     35 /**
     36  * Provides a test double of {@link DocumentsProvider}.
     37  */
     38 public class TestDocumentsProvider extends DocumentsProvider {
     39     public static final String AUTHORITY = "android.provider.TestDocumentsProvider";
     40 
     41     public Path nextPath;
     42 
     43     public boolean nextIsChildDocument;
     44 
     45     public String lastDocumentId;
     46     public String lastParentDocumentId;
     47 
     48     @Override
     49     public void attachInfoForTesting(Context context, ProviderInfo info) {
     50         context = new TestContext(context);
     51         super.attachInfoForTesting(context, info);
     52     }
     53 
     54     @Override
     55     public boolean onCreate() {
     56         return true;
     57     }
     58 
     59     @Override
     60     public Cursor queryRoots(String[] projection) throws FileNotFoundException {
     61         return null;
     62     }
     63 
     64     @Override
     65     public Cursor queryDocument(String documentId, String[] projection)
     66             throws FileNotFoundException {
     67         return null;
     68     }
     69 
     70     @Override
     71     public Cursor queryChildDocuments(String parentDocumentId, String[] projection,
     72             String sortOrder) throws FileNotFoundException {
     73         return null;
     74     }
     75 
     76     @Override
     77     public ParcelFileDescriptor openDocument(String documentId, String mode,
     78             CancellationSignal signal) throws FileNotFoundException {
     79         return null;
     80     }
     81 
     82     @Override
     83     public boolean isChildDocument(String parentDocumentId, String documentId) {
     84         return nextIsChildDocument;
     85     }
     86 
     87     @Override
     88     public Path findDocumentPath(@Nullable String parentDocumentId, String documentId) {
     89         lastDocumentId = documentId;
     90         lastParentDocumentId = parentDocumentId;
     91 
     92         return nextPath;
     93     }
     94 
     95     @Override
     96     protected int enforceReadPermissionInner(Uri uri, String callingPkg, IBinder callerToken) {
     97         return AppOpsManager.MODE_ALLOWED;
     98     }
     99 
    100     @Override
    101     protected int enforceWritePermissionInner(Uri uri, String callingPkg, IBinder callerToken) {
    102         return AppOpsManager.MODE_ALLOWED;
    103     }
    104 
    105     private static class TestContext extends ContextWrapper {
    106 
    107         private TestContext(Context context) {
    108             super(context);
    109         }
    110 
    111         @Override
    112         public void enforceCallingPermission(String permission, String message) {
    113             // Always granted
    114         }
    115 
    116         @Override
    117         public Object getSystemService(String name) {
    118             if (Context.APP_OPS_SERVICE.equals(name)) {
    119                 return Mockito.mock(AppOpsManager.class);
    120             }
    121 
    122             return super.getSystemService(name);
    123         }
    124     }
    125 }
    126