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1   /*
2    * Copyright (C) 2011, GitHub 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;
37   * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
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  package org.eclipse.jgit.api;
44  
45  import static org.junit.Assert.assertEquals;
46  import static org.junit.Assert.assertNotNull;
47  import static org.junit.Assert.assertTrue;
48  
49  import java.util.Collection;
50  import java.util.Iterator;
51  
52  import org.eclipse.jgit.junit.RepositoryTestCase;
53  import org.eclipse.jgit.lib.Constants;
54  import org.eclipse.jgit.lib.ObjectId;
55  import org.eclipse.jgit.lib.RefUpdate;
56  import org.eclipse.jgit.lib.RefUpdate.Result;
57  import org.eclipse.jgit.revwalk.RevCommit;
58  import org.junit.Test;
59  
60  /**
61   * Unit tests of {@link StashListCommand}
62   */
63  public class StashListCommandTest extends RepositoryTestCase {
64  
65  	@Test
66  	public void noStashRef() throws Exception {
67  		StashListCommand command = Git.wrap(db).stashList();
68  		Collection<RevCommit> stashed = command.call();
69  		assertNotNull(stashed);
70  		assertTrue(stashed.isEmpty());
71  	}
72  
73  	@Test
74  	public void emptyStashReflog() throws Exception {
75  		Git git = Git.wrap(db);
76  		writeTrashFile("file.txt", "content");
77  		git.add().addFilepattern("file.txt").call();
78  		RevCommit commit = git.commit().setMessage("create file").call();
79  
80  		RefUpdate update = db.updateRef(Constants.R_STASH);
81  		update.setNewObjectId(commit);
82  		update.disableRefLog();
83  		assertEquals(Result.NEW, update.update());
84  
85  		StashListCommand command = Git.wrap(db).stashList();
86  		Collection<RevCommit> stashed = command.call();
87  		assertNotNull(stashed);
88  		assertTrue(stashed.isEmpty());
89  	}
90  
91  	@Test
92  	public void singleStashedCommit() throws Exception {
93  		Git git = Git.wrap(db);
94  		writeTrashFile("file.txt", "content");
95  		git.add().addFilepattern("file.txt").call();
96  		RevCommit commit = git.commit().setMessage("create file").call();
97  
98  		assertEquals(Result.NEW, newStashUpdate(commit).update());
99  
100 		StashListCommand command = git.stashList();
101 		Collection<RevCommit> stashed = command.call();
102 		assertNotNull(stashed);
103 		assertEquals(1, stashed.size());
104 		assertEquals(commit, stashed.iterator().next());
105 	}
106 
107 	@Test
108 	public void multipleStashedCommits() throws Exception {
109 		Git git = Git.wrap(db);
110 
111 		writeTrashFile("file.txt", "content");
112 		git.add().addFilepattern("file.txt").call();
113 		RevCommit commit1 = git.commit().setMessage("create file").call();
114 
115 		writeTrashFile("file.txt", "content2");
116 		git.add().addFilepattern("file.txt").call();
117 		RevCommit commit2 = git.commit().setMessage("edit file").call();
118 
119 		assertEquals(Result.NEW, newStashUpdate(commit1).update());
120 		assertEquals(Result.FAST_FORWARD, newStashUpdate(commit2).update());
121 
122 		StashListCommand command = git.stashList();
123 		Collection<RevCommit> stashed = command.call();
124 		assertNotNull(stashed);
125 		assertEquals(2, stashed.size());
126 		Iterator<RevCommit> iter = stashed.iterator();
127 		assertEquals(commit2, iter.next());
128 		assertEquals(commit1, iter.next());
129 	}
130 
131 	private RefUpdate newStashUpdate(ObjectId newId) throws Exception {
132 		RefUpdate ru = db.updateRef(Constants.R_STASH);
133 		ru.setNewObjectId(newId);
134 		ru.setForceRefLog(true);
135 		return ru;
136 	}
137 }