/*
* Copyright (C) 2014, Google Inc.
* and other copyright owners as documented in the project's IP log.
*
* This program and the accompanying materials are made available
* under the terms of the Eclipse Distribution License v1.0 which
* accompanies this distribution, is reproduced below, and is
* available at http://www.eclipse.org/org/documents/edl-v10.php
*
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or
* without modification, are permitted provided that the following
* conditions are met:
*
* - Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
*
* - Redistributions in binary form must reproduce the above
* copyright notice, this list of conditions and the following
* disclaimer in the documentation and/or other materials provided
* with the distribution.
*
* - Neither the name of the Eclipse Foundation, Inc. nor the
* names of its contributors may be used to endorse or promote
* products derived from this software without specific prior
* written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND
* CONTRIBUTORS "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES,
* INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
* ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR
* CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
* LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
* CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
* STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
* ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
package org.eclipse.jgit.revwalk;
import static org.junit.Assert.assertEquals;
import static org.junit.Assert.assertNull;
import java.util.Collections;
import org.eclipse.jgit.revwalk.filter.OrRevFilter;
import org.eclipse.jgit.revwalk.filter.RevFilter;
import org.eclipse.jgit.revwalk.filter.SkipRevFilter;
import org.eclipse.jgit.treewalk.filter.AndTreeFilter;
import org.eclipse.jgit.treewalk.filter.PathFilterGroup;
import org.eclipse.jgit.treewalk.filter.TreeFilter;
import org.junit.Test;
public class TreeRevFilterTest extends RevWalkTestCase {
private RevFilter treeRevFilter(String path) {
return new TreeRevFilter(rw, treeFilter(path));
}
private static TreeFilter treeFilter(String path) {
return AndTreeFilter.create(
PathFilterGroup.createFromStrings(Collections.singleton(path)),
TreeFilter.ANY_DIFF);
}
@Test
public void testStringOfPearls_FilePath1()
throws Exception {
RevCommit a = commit(tree(file("d/f", blob("a"))));
RevCommit b = commit(tree(file("d/f", blob("a"))), a);
RevCommit c = commit(tree(file("d/f", blob("b"))), b);
rw.setRevFilter(treeRevFilter("d/f"));
markStart(c);
assertCommit(c, rw.next());
assertEquals(1, c.getParentCount());
assertCommit(b, c.getParent(0));
assertCommit(a, rw.next()); // b was skipped
assertEquals(0, a.getParentCount());
assertNull(rw.next());
}
@Test
public void testStringOfPearls_FilePath2() throws Exception {
RevCommit a = commit(tree(file("d/f", blob("a"))));
RevCommit b = commit(tree(file("d/f", blob("a"))), a);
RevCommit c = commit(tree(file("d/f", blob("b"))), b);
RevCommit d = commit(tree(file("d/f", blob("b"))), c);
rw.setRevFilter(treeRevFilter("d/f"));
markStart(d);
// d was skipped
assertCommit(c, rw.next());
assertEquals(1, c.getParentCount());
assertCommit(b, c.getParent(0));
// b was skipped
assertCommit(a, rw.next());
assertEquals(0, a.getParentCount());
assertNull(rw.next());
}
@Test
public void testStringOfPearls_DirPath2() throws Exception {
RevCommit a = commit(tree(file("d/f", blob("a"))));
RevCommit b = commit(tree(file("d/f", blob("a"))), a);
RevCommit c = commit(tree(file("d/f", blob("b"))), b);
RevCommit d = commit(tree(file("d/f", blob("b"))), c);
rw.setRevFilter(treeRevFilter("d"));
markStart(d);
// d was skipped
assertCommit(c, rw.next());
assertEquals(1, c.getParentCount());
assertCommit(b, c.getParent(0));
// b was skipped
assertCommit(a, rw.next());
assertEquals(0, a.getParentCount());
assertNull(rw.next());
}
@Test
public void testStringOfPearls_FilePath3() throws Exception {
RevCommit a = commit(tree(file("d/f", blob("a"))));
RevCommit b = commit(tree(file("d/f", blob("a"))), a);
RevCommit c = commit(tree(file("d/f", blob("b"))), b);
RevCommit d = commit(tree(file("d/f", blob("b"))), c);
RevCommit e = commit(tree(file("d/f", blob("b"))), d);
RevCommit f = commit(tree(file("d/f", blob("b"))), e);
RevCommit g = commit(tree(file("d/f", blob("b"))), f);
RevCommit h = commit(tree(file("d/f", blob("b"))), g);
RevCommit i = commit(tree(file("d/f", blob("c"))), h);
rw.setRevFilter(treeRevFilter("d/f"));
markStart(i);
assertCommit(i, rw.next());
assertEquals(1, i.getParentCount());
assertCommit(h, i.getParent(0));
// h..d was skipped
assertCommit(c, rw.next());
assertEquals(1, c.getParentCount());
assertCommit(b, c.getParent(0));
// b was skipped
assertCommit(a, rw.next());
assertEquals(0, a.getParentCount());
assertNull(rw.next());
}
@Test
public void testPathFilterOrOtherFilter() throws Exception {
RevFilter pathFilter = treeRevFilter("d/f");
RevFilter skipFilter = SkipRevFilter.create(1);
RevFilter orFilter = OrRevFilter.create(skipFilter, pathFilter);
RevCommit a = parseBody(commit(5, tree(file("d/f", blob("a")))));
RevCommit b = parseBody(commit(5, tree(file("d/f", blob("a"))), a));
RevCommit c = parseBody(commit(5, tree(file("d/f", blob("b"))), b));
// Path filter matches c, a.
rw.setRevFilter(pathFilter);
markStart(c);
assertCommit(c, rw.next());
assertCommit(a, rw.next());
// Skip filter matches b, a.
rw.reset();
rw.setRevFilter(skipFilter);
markStart(c);
assertCommit(b, rw.next());
assertCommit(a, rw.next());
// (Path OR Skip) matches c, b, a.
rw.reset();
rw.setRevFilter(orFilter);
markStart(c);
assertCommit(c, rw.next());
assertCommit(b, rw.next());
assertCommit(a, rw.next());
}
}