Robert Berry | c31a839 | 2017-07-14 14:19:21 +0100 | [diff] [blame^] | 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.server.backup; |
| 18 | |
| 19 | import static com.google.common.truth.Truth.assertThat; |
| 20 | |
| 21 | import android.platform.test.annotations.Presubmit; |
| 22 | import android.support.test.filters.SmallTest; |
| 23 | import android.support.test.runner.AndroidJUnit4; |
| 24 | |
| 25 | import org.junit.Before; |
| 26 | import org.junit.Rule; |
| 27 | import org.junit.Test; |
| 28 | import org.junit.rules.TemporaryFolder; |
| 29 | import org.junit.runner.RunWith; |
| 30 | import org.mockito.InOrder; |
| 31 | import org.mockito.Mock; |
| 32 | import org.mockito.Mockito; |
| 33 | import org.mockito.MockitoAnnotations; |
| 34 | |
| 35 | import java.io.DataInputStream; |
| 36 | import java.io.File; |
| 37 | import java.io.FileInputStream; |
| 38 | import java.util.ArrayList; |
| 39 | |
| 40 | @SmallTest |
| 41 | @Presubmit |
| 42 | @RunWith(AndroidJUnit4.class) |
| 43 | public class DataChangedJournalTest { |
| 44 | private static final String GMAIL = "com.google.gmail"; |
| 45 | private static final String DOCS = "com.google.docs"; |
| 46 | private static final String GOOGLE_PLUS = "com.google.plus"; |
| 47 | |
| 48 | @Rule public TemporaryFolder mTemporaryFolder = new TemporaryFolder(); |
| 49 | |
| 50 | @Mock private DataChangedJournal.Consumer mConsumer; |
| 51 | |
| 52 | private File mFile; |
| 53 | private DataChangedJournal mJournal; |
| 54 | |
| 55 | @Before |
| 56 | public void setUp() throws Exception { |
| 57 | MockitoAnnotations.initMocks(this); |
| 58 | mFile = mTemporaryFolder.newFile(); |
| 59 | mJournal = new DataChangedJournal(mFile); |
| 60 | } |
| 61 | |
| 62 | @Test |
| 63 | public void addPackage_addsPackagesToEndOfFile() throws Exception { |
| 64 | mJournal.addPackage(GMAIL); |
| 65 | mJournal.addPackage(DOCS); |
| 66 | mJournal.addPackage(GOOGLE_PLUS); |
| 67 | |
| 68 | FileInputStream fos = new FileInputStream(mFile); |
| 69 | DataInputStream dos = new DataInputStream(fos); |
| 70 | assertThat(dos.readUTF()).isEqualTo(GMAIL); |
| 71 | assertThat(dos.readUTF()).isEqualTo(DOCS); |
| 72 | assertThat(dos.readUTF()).isEqualTo(GOOGLE_PLUS); |
| 73 | assertThat(dos.available()).isEqualTo(0); |
| 74 | } |
| 75 | |
| 76 | @Test |
| 77 | public void delete_deletesTheFile() throws Exception { |
| 78 | mJournal.addPackage(GMAIL); |
| 79 | |
| 80 | mJournal.delete(); |
| 81 | |
| 82 | assertThat(mFile.exists()).isFalse(); |
| 83 | } |
| 84 | |
| 85 | @Test |
| 86 | public void equals_isTrueForTheSameFile() throws Exception { |
| 87 | assertThat(mJournal.equals(new DataChangedJournal(mFile))).isTrue(); |
| 88 | } |
| 89 | |
| 90 | @Test |
| 91 | public void equals_isFalseForDifferentFiles() throws Exception { |
| 92 | assertThat(mJournal.equals(new DataChangedJournal(mTemporaryFolder.newFile()))).isFalse(); |
| 93 | } |
| 94 | |
| 95 | @Test |
| 96 | public void forEach_iteratesThroughPackagesInFileInOrder() throws Exception { |
| 97 | mJournal.addPackage(GMAIL); |
| 98 | mJournal.addPackage(DOCS); |
| 99 | |
| 100 | mJournal.forEach(mConsumer); |
| 101 | |
| 102 | InOrder inOrder = Mockito.inOrder(mConsumer); |
| 103 | inOrder.verify(mConsumer).accept(GMAIL); |
| 104 | inOrder.verify(mConsumer).accept(DOCS); |
| 105 | inOrder.verifyNoMoreInteractions(); |
| 106 | } |
| 107 | |
| 108 | @Test |
| 109 | public void listJournals_returnsJournalsForEveryFileInDirectory() throws Exception { |
| 110 | File folder = mTemporaryFolder.newFolder(); |
| 111 | DataChangedJournal.newJournal(folder); |
| 112 | DataChangedJournal.newJournal(folder); |
| 113 | |
| 114 | ArrayList<DataChangedJournal> journals = DataChangedJournal.listJournals(folder); |
| 115 | |
| 116 | assertThat(journals).hasSize(2); |
| 117 | } |
| 118 | |
| 119 | @Test |
| 120 | public void newJournal_createsANewTemporaryFile() throws Exception { |
| 121 | File folder = mTemporaryFolder.newFolder(); |
| 122 | |
| 123 | DataChangedJournal.newJournal(folder); |
| 124 | |
| 125 | assertThat(folder.listFiles()).hasLength(1); |
| 126 | } |
| 127 | |
| 128 | @Test |
| 129 | public void toString_isSameAsFileToString() throws Exception { |
| 130 | assertThat(mJournal.toString()).isEqualTo(mFile.toString()); |
| 131 | } |
| 132 | } |