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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.content.ContentProviderClient;
     20 import android.content.ContentResolver;
     21 import android.net.Uri;
     22 import android.provider.DocumentsContract.Path;
     23 import android.support.test.filters.SmallTest;
     24 import android.test.ProviderTestCase2;
     25 
     26 import java.util.Arrays;
     27 import java.util.List;
     28 
     29 /**
     30  * Unit tests for {@link DocumentsProvider}.
     31  */
     32 @SmallTest
     33 public class DocumentsProviderTest extends ProviderTestCase2<TestDocumentsProvider> {
     34 
     35     private static final String ROOT_ID = "rootId";
     36     private static final String DOCUMENT_ID = "docId";
     37     private static final String PARENT_DOCUMENT_ID = "parentDocId";
     38     private static final String ANCESTOR_DOCUMENT_ID = "ancestorDocId";
     39 
     40     private TestDocumentsProvider mProvider;
     41 
     42     private ContentResolver mResolver;
     43 
     44     public DocumentsProviderTest() {
     45         super(TestDocumentsProvider.class, TestDocumentsProvider.AUTHORITY);
     46     }
     47 
     48     public void setUp() throws Exception {
     49         super.setUp();
     50 
     51         mProvider = getProvider();
     52         mResolver = getMockContentResolver();
     53     }
     54 
     55     public void testFindDocumentPath_docUri() throws Exception {
     56         final Path expected = new Path(ROOT_ID, Arrays.asList(PARENT_DOCUMENT_ID, DOCUMENT_ID));
     57         mProvider.nextPath = expected;
     58 
     59         final Uri docUri =
     60                 DocumentsContract.buildDocumentUri(TestDocumentsProvider.AUTHORITY, DOCUMENT_ID);
     61         try (ContentProviderClient client =
     62                      mResolver.acquireUnstableContentProviderClient(docUri)) {
     63             final Path actual = DocumentsContract.findDocumentPath(client, docUri);
     64             assertEquals(expected, actual);
     65         }
     66     }
     67 
     68     public void testFindDocumentPath_treeUri() throws Exception {
     69         mProvider.nextIsChildDocument = true;
     70 
     71         final Path expected = new Path(null, Arrays.asList(PARENT_DOCUMENT_ID, DOCUMENT_ID));
     72         mProvider.nextPath = expected;
     73 
     74         final Uri docUri = buildTreeDocumentUri(
     75                 TestDocumentsProvider.AUTHORITY, PARENT_DOCUMENT_ID, DOCUMENT_ID);
     76         final Path actual = DocumentsContract.findDocumentPath(mResolver, docUri);
     77 
     78         assertNull(actual.getRootId());
     79         assertEquals(expected.getPath(), actual.getPath());
     80     }
     81 
     82     public void testFindDocumentPath_treeUri_throwsOnNonChildDocument() throws Exception {
     83         mProvider.nextPath = new Path(null, Arrays.asList(PARENT_DOCUMENT_ID, DOCUMENT_ID));
     84 
     85         final Uri docUri = buildTreeDocumentUri(
     86                 TestDocumentsProvider.AUTHORITY, PARENT_DOCUMENT_ID, DOCUMENT_ID);
     87         assertNull(DocumentsContract.findDocumentPath(mResolver, docUri));
     88     }
     89 
     90     public void testFindDocumentPath_treeUri_erasesNonNullRootId() throws Exception {
     91         mProvider.nextIsChildDocument = true;
     92 
     93         mProvider.nextPath = new Path(ROOT_ID, Arrays.asList(PARENT_DOCUMENT_ID, DOCUMENT_ID));
     94 
     95         final Uri docUri = buildTreeDocumentUri(
     96                 TestDocumentsProvider.AUTHORITY, PARENT_DOCUMENT_ID, DOCUMENT_ID);
     97         Path path = DocumentsContract.findDocumentPath(mResolver, docUri);
     98         assertNull(path.getRootId());
     99         assertEquals(Arrays.asList(PARENT_DOCUMENT_ID, DOCUMENT_ID), path.getPath());
    100     }
    101 
    102     public void testFindDocumentPath_treeUri_erasesDocsOutsideTree() throws Exception {
    103         mProvider.nextIsChildDocument = true;
    104 
    105         mProvider.nextPath = new Path(
    106                 null, Arrays.asList(ANCESTOR_DOCUMENT_ID, PARENT_DOCUMENT_ID, DOCUMENT_ID));
    107 
    108         final Uri docUri = buildTreeDocumentUri(
    109                 TestDocumentsProvider.AUTHORITY, PARENT_DOCUMENT_ID, DOCUMENT_ID);
    110         Path path = DocumentsContract.findDocumentPath(mResolver, docUri);
    111         assertEquals(Arrays.asList(PARENT_DOCUMENT_ID, DOCUMENT_ID), path.getPath());
    112     }
    113 
    114     private static Uri buildTreeDocumentUri(String authority, String parentDocId, String docId) {
    115         final Uri treeUri = DocumentsContract.buildTreeDocumentUri(authority, parentDocId);
    116         return DocumentsContract.buildDocumentUriUsingTree(treeUri, docId);
    117     }
    118 }
    119