1 /*
2 * Copyright (C) 2011, Garmin International
3 * Copyright (C) 2011, Jesse Greenwald <jesse.greenwald@gmail.com>
4 * and other copyright owners as documented in the project's IP log.
5 *
6 * This program and the accompanying materials are made available
7 * under the terms of the Eclipse Distribution License v1.0 which
8 * accompanies this distribution, is reproduced below, and is
9 * available at http://www.eclipse.org/org/documents/edl-v10.php
10 *
11 * All rights reserved.
12 *
13 * Redistribution and use in source and binary forms, with or
14 * without modification, are permitted provided that the following
15 * conditions are met:
16 *
17 * - Redistributions of source code must retain the above copyright
18 * notice, this list of conditions and the following disclaimer.
19 *
20 * - Redistributions in binary form must reproduce the above
21 * copyright notice, this list of conditions and the following
22 * disclaimer in the documentation and/or other materials provided
23 * with the distribution.
24 *
25 * - Neither the name of the Eclipse Foundation, Inc. nor the
26 * names of its contributors may be used to endorse or promote
27 * products derived from this software without specific prior
28 * written permission.
29 *
30 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND
31 * CONTRIBUTORS "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES,
32 * INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
33 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
34 * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR
35 * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
36 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
37 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
38 * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
39 * CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
40 * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
41 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
42 * ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
43 */
44
45 package org.eclipse.jgit.revwalk;
46
47 import static org.junit.Assert.assertNotNull;
48 import static org.junit.Assert.assertTrue;
49
50 import java.io.IOException;
51 import java.util.concurrent.atomic.AtomicBoolean;
52
53 import org.eclipse.jgit.errors.IncorrectObjectTypeException;
54 import org.eclipse.jgit.errors.MissingObjectException;
55 import org.eclipse.jgit.errors.StopWalkException;
56 import org.eclipse.jgit.revwalk.filter.RevFilter;
57 import org.junit.Test;
58
59 public class RevWalkResetTest extends RevWalkTestCase {
60
61 @Test
62 public void testRevFilterReceivesParsedCommits() throws Exception {
63 final RevCommit a = commit();
64 final RevCommit b = commit(a);
65 final RevCommit c = commit(b);
66
67 final AtomicBoolean filterRan = new AtomicBoolean();
68 RevFilter testFilter = new RevFilter() {
69
70 @Override
71 public boolean include(RevWalk walker, RevCommit cmit)
72 throws StopWalkException, MissingObjectException,
73 IncorrectObjectTypeException, IOException {
74 assertNotNull("commit is parsed", cmit.getRawBuffer());
75 filterRan.set(true);
76 return true;
77 }
78
79 @Override
80 public RevFilter clone() {
81 return this;
82 }
83
84 @Override
85 public boolean requiresCommitBody() {
86 return true;
87 }
88 };
89
90 // Do an initial run through the walk
91 filterRan.set(false);
92 rw.setRevFilter(testFilter);
93 markStart(c);
94 rw.markUninteresting(b);
95 for (RevCommit cmit = rw.next(); cmit != null; cmit = rw.next()) {
96 // Don't dispose the body here, because we want to test the effect
97 // of marking 'b' as uninteresting.
98 }
99 assertTrue("filter ran", filterRan.get());
100
101 // Run through the walk again, this time disposing of all commits.
102 filterRan.set(false);
103 rw.reset();
104 markStart(c);
105 for (RevCommit cmit = rw.next(); cmit != null; cmit = rw.next()) {
106 cmit.disposeBody();
107 }
108 assertTrue("filter ran", filterRan.get());
109
110 // Do the third run through the reused walk. Test that the explicitly
111 // disposed commits are parsed on this walk.
112 filterRan.set(false);
113 rw.reset();
114 markStart(c);
115 for (RevCommit cmit = rw.next(); cmit != null; cmit = rw.next()) {
116 // spin through the walk.
117 }
118 assertTrue("filter ran", filterRan.get());
119
120 }
121 }