1 /* 2 * Copyright (C) 2018 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.app.backup; 18 19 import static com.google.common.truth.Truth.assertThat; 20 21 import android.app.backup.FullBackup.BackupScheme.PathWithRequiredFlags; 22 import android.content.Context; 23 import android.platform.test.annotations.Presubmit; 24 25 import org.junit.Before; 26 import org.junit.Test; 27 import org.junit.runner.RunWith; 28 import org.robolectric.RobolectricTestRunner; 29 import org.robolectric.RuntimeEnvironment; 30 import org.robolectric.annotation.internal.DoNotInstrument; 31 32 import java.io.File; 33 import java.io.IOException; 34 import java.util.Collection; 35 import java.util.stream.Collectors; 36 import java.util.stream.Stream; 37 38 @RunWith(RobolectricTestRunner.class) 39 @Presubmit 40 @DoNotInstrument 41 public class BackupUtilsTest { 42 private Context mContext; 43 44 @Before setUp()45 public void setUp() throws Exception { 46 mContext = RuntimeEnvironment.application; 47 } 48 49 @Test testIsFileSpecifiedInPathList_whenFileAndPathListHasIt()50 public void testIsFileSpecifiedInPathList_whenFileAndPathListHasIt() throws Exception { 51 boolean isSpecified = 52 BackupUtils.isFileSpecifiedInPathList(file("a/b.txt"), paths(file("a/b.txt"))); 53 54 assertThat(isSpecified).isTrue(); 55 } 56 57 @Test testIsFileSpecifiedInPathList_whenFileAndPathListHasItsDirectory()58 public void testIsFileSpecifiedInPathList_whenFileAndPathListHasItsDirectory() 59 throws Exception { 60 boolean isSpecified = 61 BackupUtils.isFileSpecifiedInPathList(file("a/b.txt"), paths(directory("a"))); 62 63 assertThat(isSpecified).isTrue(); 64 } 65 66 @Test testIsFileSpecifiedInPathList_whenFileAndPathListHasOtherFile()67 public void testIsFileSpecifiedInPathList_whenFileAndPathListHasOtherFile() throws Exception { 68 boolean isSpecified = 69 BackupUtils.isFileSpecifiedInPathList(file("a/b.txt"), paths(file("a/c.txt"))); 70 71 assertThat(isSpecified).isFalse(); 72 } 73 74 @Test testIsFileSpecifiedInPathList_whenFileAndPathListEmpty()75 public void testIsFileSpecifiedInPathList_whenFileAndPathListEmpty() throws Exception { 76 boolean isSpecified = BackupUtils.isFileSpecifiedInPathList(file("a/b.txt"), paths()); 77 78 assertThat(isSpecified).isFalse(); 79 } 80 81 @Test testIsFileSpecifiedInPathList_whenDirectoryAndPathListHasIt()82 public void testIsFileSpecifiedInPathList_whenDirectoryAndPathListHasIt() throws Exception { 83 boolean isSpecified = 84 BackupUtils.isFileSpecifiedInPathList(directory("a"), paths(directory("a"))); 85 86 assertThat(isSpecified).isTrue(); 87 } 88 89 @Test testIsFileSpecifiedInPathList_whenDirectoryAndPathListEmpty()90 public void testIsFileSpecifiedInPathList_whenDirectoryAndPathListEmpty() throws Exception { 91 boolean isSpecified = BackupUtils.isFileSpecifiedInPathList(directory("a"), paths()); 92 93 assertThat(isSpecified).isFalse(); 94 } 95 96 @Test testIsFileSpecifiedInPathList_whenDirectoryAndPathListHasParent()97 public void testIsFileSpecifiedInPathList_whenDirectoryAndPathListHasParent() throws Exception { 98 boolean isSpecified = 99 BackupUtils.isFileSpecifiedInPathList(directory("a/b"), paths(directory("a"))); 100 101 assertThat(isSpecified).isFalse(); 102 } 103 104 @Test testIsFileSpecifiedInPathList_whenFileAndPathListDoesntContainDirectory()105 public void testIsFileSpecifiedInPathList_whenFileAndPathListDoesntContainDirectory() 106 throws Exception { 107 boolean isSpecified = 108 BackupUtils.isFileSpecifiedInPathList(file("a/b.txt"), paths(directory("c"))); 109 110 assertThat(isSpecified).isFalse(); 111 } 112 113 @Test testIsFileSpecifiedInPathList_whenFileAndPathListHasDirectoryWhoseNameIsPrefix()114 public void testIsFileSpecifiedInPathList_whenFileAndPathListHasDirectoryWhoseNameIsPrefix() 115 throws Exception { 116 boolean isSpecified = 117 BackupUtils.isFileSpecifiedInPathList(file("a/b.txt"), paths(directory("a/b"))); 118 119 assertThat(isSpecified).isFalse(); 120 } 121 122 @Test testIsFileSpecifiedInPathList_whenFileAndPathListHasDirectoryWhoseNameIsPrefix2()123 public void testIsFileSpecifiedInPathList_whenFileAndPathListHasDirectoryWhoseNameIsPrefix2() 124 throws Exception { 125 boolean isSpecified = 126 BackupUtils.isFileSpecifiedInPathList( 127 file("name/subname.txt"), paths(directory("nam"))); 128 129 assertThat(isSpecified).isFalse(); 130 } 131 132 @Test 133 public void testIsFileSpecifiedInPathList_whenFileAndPathListContainsFirstNotRelatedAndSecondContainingDirectory()134 testIsFileSpecifiedInPathList_whenFileAndPathListContainsFirstNotRelatedAndSecondContainingDirectory() 135 throws Exception { 136 boolean isSpecified = 137 BackupUtils.isFileSpecifiedInPathList( 138 file("a/b.txt"), paths(directory("b"), directory("a"))); 139 140 assertThat(isSpecified).isTrue(); 141 } 142 143 @Test 144 public void testIsFileSpecifiedInPathList_whenDirectoryAndPathListContainsFirstNotRelatedAndSecondSameDirectory()145 testIsFileSpecifiedInPathList_whenDirectoryAndPathListContainsFirstNotRelatedAndSecondSameDirectory() 146 throws Exception { 147 boolean isSpecified = 148 BackupUtils.isFileSpecifiedInPathList( 149 directory("a/b"), paths(directory("b"), directory("a/b"))); 150 151 assertThat(isSpecified).isTrue(); 152 } 153 154 @Test 155 public void testIsFileSpecifiedInPathList_whenFileAndPathListContainsFirstNotRelatedFileAndSecondSameFile()156 testIsFileSpecifiedInPathList_whenFileAndPathListContainsFirstNotRelatedFileAndSecondSameFile() 157 throws Exception { 158 boolean isSpecified = 159 BackupUtils.isFileSpecifiedInPathList( 160 file("a/b.txt"), paths(directory("b"), file("a/b.txt"))); 161 162 assertThat(isSpecified).isTrue(); 163 } 164 file(String path)165 private File file(String path) throws IOException { 166 File file = new File(mContext.getDataDir(), path); 167 File parent = file.getParentFile(); 168 parent.mkdirs(); 169 file.createNewFile(); 170 if (!file.isFile()) { 171 throw new IOException("Couldn't create file"); 172 } 173 return file; 174 } 175 directory(String path)176 private File directory(String path) throws IOException { 177 File directory = new File(mContext.getDataDir(), path); 178 directory.mkdirs(); 179 if (!directory.isDirectory()) { 180 throw new IOException("Couldn't create directory"); 181 } 182 return directory; 183 } 184 paths(File... files)185 private Collection<PathWithRequiredFlags> paths(File... files) { 186 return Stream.of(files) 187 .map(file -> new PathWithRequiredFlags(file.getPath(), 0)) 188 .collect(Collectors.toList()); 189 } 190 } 191