| /* |
| * Licensed to the Apache Software Foundation (ASF) under one or more |
| * contributor license agreements. See the NOTICE file distributed with |
| * this work for additional information regarding copyright ownership. |
| * The ASF licenses this file to You 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. |
| */ |
| |
| /* $Id$ */ |
| |
| package org.apache.fop.pdf; |
| |
| import static org.junit.Assert.assertEquals; |
| import static org.junit.Assert.assertNotNull; |
| import static org.junit.Assert.assertTrue; |
| |
| import java.util.ArrayList; |
| import java.util.Arrays; |
| import java.util.Collection; |
| |
| import org.junit.Before; |
| import org.junit.Test; |
| import org.junit.runner.RunWith; |
| import org.junit.runners.Parameterized; |
| import org.junit.runners.Parameterized.Parameters; |
| |
| /** |
| * Tests the {@link FileIDGenerator} class. |
| */ |
| @RunWith(Parameterized.class) |
| public class FileIDGeneratorTestCase { |
| |
| /** The generator under test. */ |
| protected FileIDGenerator fileIDGenerator; |
| |
| private TestGetter initializer; |
| |
| @Parameters |
| public static Collection<TestGetter[]> getParameters() { |
| ArrayList<TestGetter[]> params = new ArrayList<TestGetter[]>(); |
| params.add(new TestGetter[] { new RandomFileIDGeneratorTest() }); |
| params.add(new TestGetter[] { new DigestFileIDGeneratorTest() }); |
| return params; |
| } |
| |
| public FileIDGeneratorTestCase(TestGetter initializer) { |
| this.initializer = initializer; |
| } |
| |
| @Before |
| public void setUp() throws Exception { |
| fileIDGenerator = initializer.getSut(); |
| } |
| |
| /** Tests that the getOriginalFileID method generates valid output. */ |
| @Test |
| public void testOriginal() { |
| byte[] fileID = fileIDGenerator.getOriginalFileID(); |
| fileIDMustBeValid(fileID); |
| } |
| |
| /** Tests that the getUpdatedFileID method generates valid output. */ |
| @Test |
| public void testUpdated() { |
| byte[] fileID = fileIDGenerator.getUpdatedFileID(); |
| fileIDMustBeValid(fileID); |
| } |
| |
| private void fileIDMustBeValid(byte[] fileID) { |
| assertNotNull(fileID); |
| assertEquals(16, fileID.length); |
| } |
| |
| /** Tests that multiple calls to getOriginalFileID method always return the same value. */ |
| @Test |
| public void testOriginalMultipleCalls() { |
| byte[] fileID1 = fileIDGenerator.getUpdatedFileID(); |
| byte[] fileID2 = fileIDGenerator.getUpdatedFileID(); |
| assertTrue(Arrays.equals(fileID1, fileID2)); |
| } |
| |
| /** Tests that getUpdatedFileID returns the same value as getOriginalFileID. */ |
| @Test |
| public void testUpdateEqualsOriginal() { |
| byte[] originalFileID = fileIDGenerator.getOriginalFileID(); |
| byte[] updatedFileID = fileIDGenerator.getUpdatedFileID(); |
| assertTrue(Arrays.equals(originalFileID, updatedFileID)); |
| } |
| |
| private static interface TestGetter { |
| FileIDGenerator getSut() throws Exception; |
| } |
| |
| /** |
| * Tests the random file ID generator. |
| */ |
| private static class RandomFileIDGeneratorTest implements TestGetter { |
| |
| public FileIDGenerator getSut() throws Exception { |
| return FileIDGenerator.getRandomFileIDGenerator(); |
| } |
| |
| } |
| |
| /** |
| * Tests the file ID generator based on an MD5 digest. |
| */ |
| private static class DigestFileIDGeneratorTest implements TestGetter { |
| |
| public FileIDGenerator getSut() throws Exception { |
| return FileIDGenerator.getDigestFileIDGenerator( |
| new PDFDocument("Apache FOP")); |
| } |
| |
| } |
| |
| } |