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1   /*******************************************************************************
2    * Copyright (c) 2014 Andreas Hermann
3    * and other copyright owners as documented in the project's IP log.
4    *
5    * This program and the accompanying materials are made available
6    * under the terms of the Eclipse Distribution License v1.0 which
7    * accompanies this distribution, is reproduced below, and is
8    * available at http://www.eclipse.org/org/documents/edl-v10.php
9    *
10   * All rights reserved.
11   *
12   * Redistribution and use in source and binary forms, with or
13   * without modification, are permitted provided that the following
14   * conditions are met:
15   *
16   * - Redistributions of source code must retain the above copyright
17   *   notice, this list of conditions and the following disclaimer.
18   *
19   * - Redistributions in binary form must reproduce the above
20   *   copyright notice, this list of conditions and the following
21   *   disclaimer in the documentation and/or other materials provided
22   *   with the distribution.
23   *
24   * - Neither the name of the Eclipse Foundation, Inc. nor the
25   *   names of its contributors may be used to endorse or promote
26   *   products derived from this software without specific prior
27   *   written permission.
28   *
29   * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND
30   * CONTRIBUTORS "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES,
31   * INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
32   * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
33   * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR
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36   * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
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42   *******************************************************************************/
43  package org.eclipse.jgit.internal.storage.file;
44  
45  import static java.nio.charset.StandardCharsets.UTF_8;
46  import static org.junit.Assert.assertEquals;
47  
48  import java.io.File;
49  import java.io.FileInputStream;
50  import java.io.FileNotFoundException;
51  import java.io.IOException;
52  
53  import org.eclipse.jgit.lib.ObjectId;
54  import org.eclipse.jgit.lib.PersonIdent;
55  import org.eclipse.jgit.test.resources.SampleDataRepositoryTestCase;
56  import org.junit.Test;
57  
58  public class ReflogWriterTest extends SampleDataRepositoryTestCase {
59  
60  	private static String oneLine = "da85355dfc525c9f6f3927b876f379f46ccf826e 3e7549db262d1e836d9bf0af7e22355468f1717c"
61  			+ " John Doe <john@doe.com> 1243028200 +0200\tstash: Add message with line feeds\n";
62  
63  	@Test
64  	public void shouldFilterLineFeedFromMessage() throws Exception {
65  		ReflogWriter writer =
66  				new ReflogWriter((RefDirectory) db.getRefDatabase());
67  		PersonIdent ident = new PersonIdent("John Doe", "john@doe.com",
68  				1243028200000L, 120);
69  		ObjectId oldId = ObjectId
70  				.fromString("da85355dfc525c9f6f3927b876f379f46ccf826e");
71  		ObjectId newId = ObjectId
72  				.fromString("3e7549db262d1e836d9bf0af7e22355468f1717c");
73  
74  		writer.log("refs/heads/master", oldId, newId, ident,
75  				"stash: Add\nmessage\r\nwith line feeds");
76  
77  		byte[] buffer = new byte[oneLine.getBytes(UTF_8).length];
78  		readReflog(buffer);
79  		assertEquals(oneLine, new String(buffer, UTF_8));
80  	}
81  
82  	private void readReflog(byte[] buffer)
83  			throws FileNotFoundException, IOException {
84  		File logfile = new File(db.getDirectory(), "logs/refs/heads/master");
85  		if (!logfile.getParentFile().mkdirs()
86  				&& !logfile.getParentFile().isDirectory()) {
87  			throw new IOException(
88  					"oops, cannot create the directory for the test reflog file"
89  							+ logfile);
90  		}
91  		try (FileInputStream fileInputStream = new FileInputStream(logfile)) {
92  			fileInputStream.read(buffer);
93  		}
94  	}
95  }