/*
* Copyright (c) 2011 Kevin Sawicki <kevinsawicki@gmail.com>
*
* Permission is hereby granted, free of charge, to any person obtaining a copy
* of this software and associated documentation files (the "Software"), to
* deal in the Software without restriction, including without limitation the
* rights to use, copy, modify, merge, publish, distribute, sublicense, and/or
* sell copies of the Software, and to permit persons to whom the Software is
* furnished to do so, subject to the following conditions:
*
* The above copyright notice and this permission notice shall be included in
* all copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
* FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS
* IN THE SOFTWARE.
*/
package org.gitective.tests;
import java.util.ArrayList;
import java.util.List;
import org.eclipse.jgit.revwalk.RevCommit;
import org.eclipse.jgit.revwalk.filter.RevFilter;
import org.eclipse.jgit.storage.file.FileRepository;
import org.gitective.core.CommitFinder;
import org.gitective.core.CommitUtils;
import org.gitective.core.filter.commit.AndCommitFilter;
import org.gitective.core.filter.commit.CommitCursorFilter;
import org.gitective.core.filter.commit.CommitLimitFilter;
import org.gitective.core.filter.commit.CommitListFilter;
import org.junit.Test;
/**
* Unit tests of {@link CommitCursorFilter}
*/
public class CursorTest extends GitTestCase {
/**
* Test traversing commits in chunks
*
* @throws Exception
*/
@Test
public void chunk() throws Exception {
int commitCount = 50;
final List<RevCommit> commits = new ArrayList<RevCommit>(commitCount);
for (int i = 0; i < commitCount; i++)
commits.add(add("file.txt", "revision " + i));
CommitFinder service = new CommitFinder(testRepo);
CommitListFilter bucket = new CommitListFilter();
CommitLimitFilter limit = new CommitLimitFilter(10);
limit.setStop(true);
CommitCursorFilter cursor = new CommitCursorFilter(new AndCommitFilter(
limit, bucket));
service.setFilter(cursor);
int chunks = 0;
RevCommit commit = CommitUtils.getHead(new FileRepository(testRepo));
while (commit != null) {
service.findFrom(commit);
assertEquals(limit.getLimit(), bucket.getCommits().size());
commits.removeAll(bucket.getCommits());
commit = cursor.getLast();
cursor.reset();
chunks++;
}
assertEquals(commitCount / limit.getLimit(), chunks);
assertTrue(commits.isEmpty());
}
/**
* Test clone of {@link CommitCursorFilter}
*
* @throws Exception
*/
@Test
public void cloneFilter() throws Exception {
CommitCursorFilter filter = new CommitCursorFilter(RevFilter.NONE);
assertFalse(filter.include(null, null));
RevFilter clone = filter.clone();
assertNotNull(clone);
assertNotSame(filter, clone);
assertTrue(clone instanceof CommitCursorFilter);
assertFalse(clone.include(null, null));
}
/**
* Test creating a cursor filter with a null filter
*/
@Test(expected = IllegalArgumentException.class)
public void nullFilter() {
new CommitCursorFilter(null);
}
}