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1   /*
2    * Copyright (C) 2015, Kaloyan Raev <kaloyan.r@zend.com>
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,
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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.pgm;
44  
45  import static org.junit.Assert.*;
46  
47  import org.eclipse.jgit.api.Git;
48  import org.eclipse.jgit.lib.CLIRepositoryTestCase;
49  import org.eclipse.jgit.revwalk.RevCommit;
50  import org.junit.Before;
51  import org.junit.Ignore;
52  import org.junit.Test;
53  
54  public class ResetTest extends CLIRepositoryTestCase {
55  
56  	private Git git;
57  
58  	@Override
59  	@Before
60  	public void setUp() throws Exception {
61  		super.setUp();
62  		git = new Git(db);
63  	}
64  
65  	@Test
66  	public void testPathOptionHelp() throws Exception {
67  		String[] result = execute("git reset -h");
68  		assertTrue("Unexpected argument: " + result[1],
69  				result[1].endsWith("[-- path ... ...]"));
70  	}
71  
72  	@Test
73  	public void testZombieArgument_Bug484951() throws Exception {
74  		String[] result = execute("git reset -h");
75  		assertFalse("Unexpected argument: " + result[0],
76  				result[0].contains("[VAL ...]"));
77  	}
78  
79  	@Test
80  	public void testResetSelf() throws Exception {
81  		RevCommit commit = git.commit().setMessage("initial commit").call();
82  		assertStringArrayEquals("",
83  				execute("git reset --hard " + commit.getId().name()));
84  		assertEquals(commit.getId(),
85  				git.getRepository().exactRef("HEAD").getObjectId());
86  	}
87  
88  	@Test
89  	public void testResetPrevious() throws Exception {
90  		RevCommit commit = git.commit().setMessage("initial commit").call();
91  		git.commit().setMessage("second commit").call();
92  		assertStringArrayEquals("",
93  				execute("git reset --hard " + commit.getId().name()));
94  		assertEquals(commit.getId(),
95  				git.getRepository().exactRef("HEAD").getObjectId());
96  	}
97  
98  	@Test
99  	public void testResetEmptyPath() throws Exception {
100 		RevCommit commit = git.commit().setMessage("initial commit").call();
101 		assertStringArrayEquals("",
102 				execute("git reset --hard " + commit.getId().name() + " --"));
103 		assertEquals(commit.getId(),
104 				git.getRepository().exactRef("HEAD").getObjectId());
105 	}
106 
107 	@Test
108 	public void testResetPathDoubleDash() throws Exception {
109 		resetPath(true, true);
110 	}
111 
112 	@Test
113 	public void testResetPathNoDoubleDash() throws Exception {
114 		resetPath(false, true);
115 	}
116 
117 	@Test
118 	public void testResetPathDoubleDashNoRef() throws Exception {
119 		resetPath(true, false);
120 	}
121 
122 	@Ignore("Currently we cannote recognize if a name is a commit-ish or a path, "
123 			+ "so 'git reset a' will not work if 'a' is not a branch name but a file path")
124 	@Test
125 	public void testResetPathNoDoubleDashNoRef() throws Exception {
126 		resetPath(false, false);
127 	}
128 
129 	private void resetPath(boolean useDoubleDash, boolean supplyCommit)
130 			throws Exception {
131 		// create files a and b
132 		writeTrashFile("a", "Hello world a");
133 		writeTrashFile("b", "Hello world b");
134 		// stage the files
135 		git.add().addFilepattern(".").call();
136 		// commit the files
137 		RevCommit commit = git.commit().setMessage("files a & b").call();
138 
139 		// change both files a and b
140 		writeTrashFile("a", "New Hello world a");
141 		writeTrashFile("b", "New Hello world b");
142 		// stage the files
143 		git.add().addFilepattern(".").call();
144 
145 		// reset only file a
146 		String cmd = String.format("git reset %s%s a",
147 				supplyCommit ? commit.getId().name() : "",
148 				useDoubleDash ? " --" : "");
149 		assertStringArrayEquals("", execute(cmd));
150 		assertEquals(commit.getId(),
151 				git.getRepository().exactRef("HEAD").getObjectId());
152 
153 		org.eclipse.jgit.api.Status status = git.status().call();
154 		// assert that file a is unstaged
155 		assertArrayEquals(new String[] { "a" },
156 				status.getModified().toArray());
157 		// assert that file b is still staged
158 		assertArrayEquals(new String[] { "b" },
159 				status.getChanged().toArray());
160 	}
161 
162 }