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/*
* Copyright (C) 2012, Matthias Sohn <matthias.sohn@sap.com> and others
*
* This program and the accompanying materials are made available under the
* terms of the Eclipse Distribution License v. 1.0 which is available at
* https://www.eclipse.org/org/documents/edl-v10.php.
*
* SPDX-License-Identifier: BSD-3-Clause
*/
package org.eclipse.jgit.revwalk;
import static org.junit.Assert.assertEquals;
import static org.junit.Assert.assertNotNull;
import static org.junit.Assert.assertNull;
import org.eclipse.jgit.api.Git;
import org.eclipse.jgit.junit.RepositoryTestCase;
import org.eclipse.jgit.lib.Constants;
import org.eclipse.jgit.lib.ObjectId;
import org.junit.Test;
public class RevCommitListTest extends RepositoryTestCase {
private RevCommitList<RevCommit> list;
public void setup(int count) throws Exception {
try (Git git = new Git(db);
RevWalk w = new RevWalk(db);) {
for (int i = 0; i < count; i++)
git.commit().setCommitter(committer).setAuthor(author)
.setMessage("commit " + i).call();
list = new RevCommitList<>();
w.markStart(w.lookupCommit(db.resolve(Constants.HEAD)));
list.source(w);
}
}
@Test
public void testFillToHighMark2() throws Exception {
setup(3);
list.fillTo(1);
assertEquals(2, list.size());
assertEquals("commit 2", list.get(0).getFullMessage());
assertEquals("commit 1", list.get(1).getFullMessage());
assertNull("commit 0 shouldn't be loaded", list.get(2));
}
@Test
public void testFillToHighMarkAll() throws Exception {
setup(3);
list.fillTo(2);
assertEquals(3, list.size());
assertEquals("commit 2", list.get(0).getFullMessage());
assertEquals("commit 0", list.get(2).getFullMessage());
}
@Test
public void testFillToHighMark4() throws Exception {
setup(3);
list.fillTo(3);
assertEquals(3, list.size());
assertEquals("commit 2", list.get(0).getFullMessage());
assertEquals("commit 0", list.get(2).getFullMessage());
assertNull("commit 3 can't be loaded", list.get(3));
}
@Test
public void testFillToHighMarkMulitpleBlocks() throws Exception {
setup(258);
list.fillTo(257);
assertEquals(258, list.size());
}
@Test
public void testFillToCommit() throws Exception {
setup(3);
try (RevWalk w = new RevWalk(db)) {
w.markStart(w.lookupCommit(db.resolve(Constants.HEAD)));
w.next();
RevCommit c = w.next();
assertNotNull("should have found 2. commit", c);
list.fillTo(c, 5);
assertEquals(2, list.size());
assertEquals("commit 1", list.get(1).getFullMessage());
assertNull(list.get(3));
}
}
@Test
public void testFillToUnknownCommit() throws Exception {
setup(258);
RevCommit c = new RevCommit(
ObjectId.fromString("9473095c4cb2f12aefe1db8a355fe3fafba42f67"));
list.fillTo(c, 300);
assertEquals("loading to unknown commit should load all commits", 258,
list.size());
}
@Test
public void testFillToNullCommit() throws Exception {
setup(3);
list.fillTo(null, 1);
assertNull(list.get(0));
}
}
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