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1   /*
2    * Copyright (C) 2009, Google Inc.
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
34   * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
35   * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
36   * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
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38   * CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
39   * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
40   * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
41   * ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
42   */
43  
44  package org.eclipse.jgit.lib;
45  
46  import static org.junit.Assert.assertEquals;
47  import static org.junit.Assert.assertFalse;
48  import static org.junit.Assert.assertNotNull;
49  import static org.junit.Assert.assertNotSame;
50  import static org.junit.Assert.assertSame;
51  import static org.junit.Assert.assertTrue;
52  import static org.junit.Assert.fail;
53  
54  import java.io.File;
55  import java.io.IOException;
56  
57  import org.eclipse.jgit.errors.RepositoryNotFoundException;
58  import org.eclipse.jgit.junit.RepositoryTestCase;
59  import org.eclipse.jgit.lib.RepositoryCache.FileKey;
60  import org.junit.Test;
61  
62  public class RepositoryCacheTest extends RepositoryTestCase {
63  	@Test
64  	public void testNonBareFileKey() throws IOException {
65  		File gitdir = db.getDirectory();
66  		File parent = gitdir.getParentFile();
67  		File other = new File(parent, "notagit");
68  		assertEqualsFile(gitdir, FileKey.exact(gitdir, db.getFS()).getFile());
69  		assertEqualsFile(parent, FileKey.exact(parent, db.getFS()).getFile());
70  		assertEqualsFile(other, FileKey.exact(other, db.getFS()).getFile());
71  
72  		assertEqualsFile(gitdir, FileKey.lenient(gitdir, db.getFS()).getFile());
73  		assertEqualsFile(gitdir, FileKey.lenient(parent, db.getFS()).getFile());
74  		assertEqualsFile(other, FileKey.lenient(other, db.getFS()).getFile());
75  	}
76  
77  	@Test
78  	public void testBareFileKey() throws IOException {
79  		Repository bare = createBareRepository();
80  		File gitdir = bare.getDirectory();
81  		File parent = gitdir.getParentFile();
82  		String name = gitdir.getName();
83  		assertTrue(name.endsWith(".git"));
84  		name = name.substring(0, name.length() - 4);
85  
86  		assertEqualsFile(gitdir, FileKey.exact(gitdir, db.getFS()).getFile());
87  
88  		assertEqualsFile(gitdir, FileKey.lenient(gitdir, db.getFS()).getFile());
89  		assertEqualsFile(gitdir,
90  				FileKey.lenient(new File(parent, name), db.getFS()).getFile());
91  	}
92  
93  	@Test
94  	public void testFileKeyOpenExisting() throws IOException {
95  		Repository r;
96  
97  		r = new FileKey(db.getDirectory(), db.getFS()).open(true);
98  		assertNotNull(r);
99  		assertEqualsFile(db.getDirectory(), r.getDirectory());
100 		r.close();
101 
102 		r = new FileKey(db.getDirectory(), db.getFS()).open(false);
103 		assertNotNull(r);
104 		assertEqualsFile(db.getDirectory(), r.getDirectory());
105 		r.close();
106 	}
107 
108 	@Test
109 	public void testFileKeyOpenNew() throws IOException {
110 		final Repository n = createBareRepository();
111 		final File gitdir = n.getDirectory();
112 		n.close();
113 		recursiveDelete(gitdir);
114 		assertFalse(gitdir.exists());
115 
116 		try {
117 			new FileKey(gitdir, db.getFS()).open(true);
118 			fail("incorrectly opened a non existant repository");
119 		} catch (RepositoryNotFoundException e) {
120 			assertEquals("repository not found: " + gitdir.getCanonicalPath(),
121 					e.getMessage());
122 		}
123 
124 		final Repository o = new FileKey(gitdir, db.getFS()).open(false);
125 		assertNotNull(o);
126 		assertEqualsFile(gitdir, o.getDirectory());
127 		assertFalse(gitdir.exists());
128 	}
129 
130 	@Test
131 	public void testCacheRegisterOpen() throws Exception {
132 		final File dir = db.getDirectory();
133 		RepositoryCache.register(db);
134 		assertSame(db, RepositoryCache.open(FileKey.exact(dir, db.getFS())));
135 
136 		assertEquals(".git", dir.getName());
137 		final File parent = dir.getParentFile();
138 		assertSame(db, RepositoryCache.open(FileKey.lenient(parent, db.getFS())));
139 	}
140 
141 	@Test
142 	public void testCacheOpen() throws Exception {
143 		final FileKey loc = FileKey.exact(db.getDirectory(), db.getFS());
144 		final Repository d2 = RepositoryCache.open(loc);
145 		assertNotSame(db, d2);
146 		assertSame(d2, RepositoryCache.open(FileKey.exact(loc.getFile(), db.getFS())));
147 		d2.close();
148 		d2.close();
149 	}
150 }