| /* |
| * Copyright (C) 2017 The Android Open Source Project |
| * |
| * Licensed under the Apache License, Version 2.0 (the "License"); |
| * you may not use this file except in compliance with the License. |
| * You may obtain a copy of the License at |
| * |
| * http://www.apache.org/licenses/LICENSE-2.0 |
| * |
| * Unless required by applicable law or agreed to in writing, software |
| * distributed under the License is distributed on an "AS IS" BASIS, |
| * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| * See the License for the specific language governing permissions and |
| * limitations under the License |
| */ |
| |
| package com.android.server.backup; |
| |
| import static com.google.common.truth.Truth.assertThat; |
| |
| import android.platform.test.annotations.Presubmit; |
| |
| import androidx.test.filters.SmallTest; |
| import androidx.test.runner.AndroidJUnit4; |
| |
| import org.junit.Before; |
| import org.junit.Rule; |
| import org.junit.Test; |
| import org.junit.rules.TemporaryFolder; |
| import org.junit.runner.RunWith; |
| import org.mockito.InOrder; |
| import org.mockito.Mock; |
| import org.mockito.Mockito; |
| import org.mockito.MockitoAnnotations; |
| |
| import java.io.DataInputStream; |
| import java.io.File; |
| import java.io.FileInputStream; |
| import java.util.ArrayList; |
| import java.util.function.Consumer; |
| |
| @SmallTest |
| @Presubmit |
| @RunWith(AndroidJUnit4.class) |
| public class DataChangedJournalTest { |
| private static final String GMAIL = "com.google.gmail"; |
| private static final String DOCS = "com.google.docs"; |
| private static final String GOOGLE_PLUS = "com.google.plus"; |
| |
| @Rule public TemporaryFolder mTemporaryFolder = new TemporaryFolder(); |
| |
| @Mock private Consumer<String> mConsumer; |
| |
| private File mFile; |
| private DataChangedJournal mJournal; |
| |
| @Before |
| public void setUp() throws Exception { |
| MockitoAnnotations.initMocks(this); |
| mFile = mTemporaryFolder.newFile(); |
| mJournal = new DataChangedJournal(mFile); |
| } |
| |
| @Test |
| public void addPackage_addsPackagesToEndOfFile() throws Exception { |
| mJournal.addPackage(GMAIL); |
| mJournal.addPackage(DOCS); |
| mJournal.addPackage(GOOGLE_PLUS); |
| |
| FileInputStream fos = new FileInputStream(mFile); |
| DataInputStream dos = new DataInputStream(fos); |
| assertThat(dos.readUTF()).isEqualTo(GMAIL); |
| assertThat(dos.readUTF()).isEqualTo(DOCS); |
| assertThat(dos.readUTF()).isEqualTo(GOOGLE_PLUS); |
| assertThat(dos.available()).isEqualTo(0); |
| } |
| |
| @Test |
| public void delete_deletesTheFile() throws Exception { |
| mJournal.addPackage(GMAIL); |
| |
| mJournal.delete(); |
| |
| assertThat(mFile.exists()).isFalse(); |
| } |
| |
| @Test |
| public void equals_isTrueForTheSameFile() throws Exception { |
| assertThat(mJournal.equals(new DataChangedJournal(mFile))).isTrue(); |
| } |
| |
| @Test |
| public void equals_isFalseForDifferentFiles() throws Exception { |
| assertThat(mJournal.equals(new DataChangedJournal(mTemporaryFolder.newFile()))).isFalse(); |
| } |
| |
| @Test |
| public void forEach_iteratesThroughPackagesInFileInOrder() throws Exception { |
| mJournal.addPackage(GMAIL); |
| mJournal.addPackage(DOCS); |
| |
| mJournal.forEach(mConsumer); |
| |
| InOrder inOrder = Mockito.inOrder(mConsumer); |
| inOrder.verify(mConsumer).accept(GMAIL); |
| inOrder.verify(mConsumer).accept(DOCS); |
| inOrder.verifyNoMoreInteractions(); |
| } |
| |
| @Test |
| public void listJournals_returnsJournalsForEveryFileInDirectory() throws Exception { |
| File folder = mTemporaryFolder.newFolder(); |
| DataChangedJournal.newJournal(folder); |
| DataChangedJournal.newJournal(folder); |
| |
| ArrayList<DataChangedJournal> journals = DataChangedJournal.listJournals(folder); |
| |
| assertThat(journals).hasSize(2); |
| } |
| |
| @Test |
| public void newJournal_createsANewTemporaryFile() throws Exception { |
| File folder = mTemporaryFolder.newFolder(); |
| |
| DataChangedJournal.newJournal(folder); |
| |
| assertThat(folder.listFiles()).hasLength(1); |
| } |
| |
| @Test |
| public void toString_isSameAsFileToString() throws Exception { |
| assertThat(mJournal.toString()).isEqualTo(mFile.toString()); |
| } |
| } |