/*
* Copyright (C) 2008-2009, Google Inc.
* Copyright (C) 2011, Matthias Sohn <matthias.sohn@sap.com>
* 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.dircache;
import static org.junit.Assert.assertEquals;
import static org.junit.Assert.assertFalse;
import static org.junit.Assert.assertNotNull;
import static org.junit.Assert.assertNotSame;
import static org.junit.Assert.assertSame;
import static org.junit.Assert.assertTrue;
import static org.junit.Assert.fail;
import java.io.File;
import org.eclipse.jgit.events.IndexChangedEvent;
import org.eclipse.jgit.events.IndexChangedListener;
import org.eclipse.jgit.events.ListenerList;
import org.eclipse.jgit.junit.RepositoryTestCase;
import org.eclipse.jgit.lib.FileMode;
import org.eclipse.jgit.lib.ObjectId;
import org.junit.Test;
public class DirCacheBuilderTest extends RepositoryTestCase {
@Test
public void testBuildEmpty() throws Exception {
{
final DirCache dc = db.lockDirCache();
final DirCacheBuilder b = dc.builder();
assertNotNull(b);
b.finish();
dc.write();
assertTrue(dc.commit());
}
{
final DirCache dc = db.readDirCache();
assertEquals(0, dc.getEntryCount());
}
}
@Test
public void testBuildRejectsUnsetFileMode() throws Exception {
final DirCache dc = DirCache.newInCore();
final DirCacheBuilder b = dc.builder();
assertNotNull(b);
final DirCacheEntry e = new DirCacheEntry("a");
assertEquals(0, e.getRawMode());
try {
b.add(e);
} catch (IllegalArgumentException err) {
assertEquals("FileMode not set for path a", err.getMessage());
}
}
@Test
public void testBuildOneFile_FinishWriteCommit() throws Exception {
final String path = "a-file-path";
final FileMode mode = FileMode.REGULAR_FILE;
final long lastModified = 1218123387057L;
final int length = 1342;
final DirCacheEntry entOrig;
{
final DirCache dc = db.lockDirCache();
final DirCacheBuilder b = dc.builder();
assertNotNull(b);
entOrig = new DirCacheEntry(path);
entOrig.setFileMode(mode);
entOrig.setLastModified(lastModified);
entOrig.setLength(length);
assertNotSame(path, entOrig.getPathString());
assertEquals(path, entOrig.getPathString());
assertEquals(ObjectId.zeroId(), entOrig.getObjectId());
assertEquals(mode.getBits(), entOrig.getRawMode());
assertEquals(0, entOrig.getStage());
assertEquals(lastModified, entOrig.getLastModified());
assertEquals(length, entOrig.getLength());
assertFalse(entOrig.isAssumeValid());
b.add(entOrig);
b.finish();
assertEquals(1, dc.getEntryCount());
assertSame(entOrig, dc.getEntry(0));
dc.write();
assertTrue(dc.commit());
}
{
final DirCache dc = db.readDirCache();
assertEquals(1, dc.getEntryCount());
final DirCacheEntry entRead = dc.getEntry(0);
assertNotSame(entOrig, entRead);
assertEquals(path, entRead.getPathString());
assertEquals(ObjectId.zeroId(), entOrig.getObjectId());
assertEquals(mode.getBits(), entOrig.getRawMode());
assertEquals(0, entOrig.getStage());
assertEquals(lastModified, entOrig.getLastModified());
assertEquals(length, entOrig.getLength());
assertFalse(entOrig.isAssumeValid());
}
}
@Test
public void testBuildOneFile_Commit() throws Exception {
final String path = "a-file-path";
final FileMode mode = FileMode.REGULAR_FILE;
final long lastModified = 1218123387057L;
final int length = 1342;
final DirCacheEntry entOrig;
{
final DirCache dc = db.lockDirCache();
final DirCacheBuilder b = dc.builder();
assertNotNull(b);
entOrig = new DirCacheEntry(path);
entOrig.setFileMode(mode);
entOrig.setLastModified(lastModified);
entOrig.setLength(length);
assertNotSame(path, entOrig.getPathString());
assertEquals(path, entOrig.getPathString());
assertEquals(ObjectId.zeroId(), entOrig.getObjectId());
assertEquals(mode.getBits(), entOrig.getRawMode());
assertEquals(0, entOrig.getStage());
assertEquals(lastModified, entOrig.getLastModified());
assertEquals(length, entOrig.getLength());
assertFalse(entOrig.isAssumeValid());
b.add(entOrig);
assertTrue(b.commit());
assertEquals(1, dc.getEntryCount());
assertSame(entOrig, dc.getEntry(0));
assertFalse(new File(db.getDirectory(), "index.lock").exists());
}
{
final DirCache dc = db.readDirCache();
assertEquals(1, dc.getEntryCount());
final DirCacheEntry entRead = dc.getEntry(0);
assertNotSame(entOrig, entRead);
assertEquals(path, entRead.getPathString());
assertEquals(ObjectId.zeroId(), entOrig.getObjectId());
assertEquals(mode.getBits(), entOrig.getRawMode());
assertEquals(0, entOrig.getStage());
assertEquals(lastModified, entOrig.getLastModified());
assertEquals(length, entOrig.getLength());
assertFalse(entOrig.isAssumeValid());
}
}
@Test
public void testBuildOneFile_Commit_IndexChangedEvent()
throws Exception {
final class ReceivedEventMarkerException extends RuntimeException {
private static final long serialVersionUID = 1L;
// empty
}
final String path = "a-file-path";
final FileMode mode = FileMode.REGULAR_FILE;
// "old" date in 2008
final long lastModified = 1218123387057L;
final int length = 1342;
DirCacheEntry entOrig;
boolean receivedEvent = false;
DirCache dc = db.lockDirCache();
IndexChangedListener listener = new IndexChangedListener() {
public void onIndexChanged(IndexChangedEvent event) {
throw new ReceivedEventMarkerException();
}
};
ListenerList l = db.getListenerList();
l.addIndexChangedListener(listener);
DirCacheBuilder b = dc.builder();
entOrig = new DirCacheEntry(path);
entOrig.setFileMode(mode);
entOrig.setLastModified(lastModified);
entOrig.setLength(length);
b.add(entOrig);
try {
b.commit();
} catch (ReceivedEventMarkerException e) {
receivedEvent = true;
}
if (!receivedEvent)
fail("did not receive IndexChangedEvent");
// do the same again, as this doesn't change index compared to first
// round we should get no event this time
dc = db.lockDirCache();
listener = new IndexChangedListener() {
public void onIndexChanged(IndexChangedEvent event) {
throw new ReceivedEventMarkerException();
}
};
l = db.getListenerList();
l.addIndexChangedListener(listener);
b = dc.builder();
entOrig = new DirCacheEntry(path);
entOrig.setFileMode(mode);
entOrig.setLastModified(lastModified);
entOrig.setLength(length);
b.add(entOrig);
try {
b.commit();
} catch (ReceivedEventMarkerException e) {
fail("unexpected IndexChangedEvent");
}
}
@Test
public void testFindSingleFile() throws Exception {
final String path = "a-file-path";
final DirCache dc = db.readDirCache();
final DirCacheBuilder b = dc.builder();
assertNotNull(b);
final DirCacheEntry entOrig = new DirCacheEntry(path);
entOrig.setFileMode(FileMode.REGULAR_FILE);
assertNotSame(path, entOrig.getPathString());
assertEquals(path, entOrig.getPathString());
b.add(entOrig);
b.finish();
assertEquals(1, dc.getEntryCount());
assertSame(entOrig, dc.getEntry(0));
assertEquals(0, dc.findEntry(path));
assertEquals(-1, dc.findEntry("@@-before"));
assertEquals(0, real(dc.findEntry("@@-before")));
assertEquals(-2, dc.findEntry("a-zoo"));
assertEquals(1, real(dc.findEntry("a-zoo")));
assertSame(entOrig, dc.getEntry(path));
}
@Test
public void testAdd_InGitSortOrder() throws Exception {
final DirCache dc = db.readDirCache();
final String[] paths = { "a-", "a.b", "a/b", "a0b" };
final DirCacheEntry[] ents = new DirCacheEntry[paths.length];
for (int i = 0; i < paths.length; i++) {
ents[i] = new DirCacheEntry(paths[i]);
ents[i].setFileMode(FileMode.REGULAR_FILE);
}
final DirCacheBuilder b = dc.builder();
for (int i = 0; i < ents.length; i++)
b.add(ents[i]);
b.finish();
assertEquals(paths.length, dc.getEntryCount());
for (int i = 0; i < paths.length; i++) {
assertSame(ents[i], dc.getEntry(i));
assertEquals(paths[i], dc.getEntry(i).getPathString());
assertEquals(i, dc.findEntry(paths[i]));
assertSame(ents[i], dc.getEntry(paths[i]));
}
}
@Test
public void testAdd_ReverseGitSortOrder() throws Exception {
final DirCache dc = db.readDirCache();
final String[] paths = { "a-", "a.b", "a/b", "a0b" };
final DirCacheEntry[] ents = new DirCacheEntry[paths.length];
for (int i = 0; i < paths.length; i++) {
ents[i] = new DirCacheEntry(paths[i]);
ents[i].setFileMode(FileMode.REGULAR_FILE);
}
final DirCacheBuilder b = dc.builder();
for (int i = ents.length - 1; i >= 0; i--)
b.add(ents[i]);
b.finish();
assertEquals(paths.length, dc.getEntryCount());
for (int i = 0; i < paths.length; i++) {
assertSame(ents[i], dc.getEntry(i));
assertEquals(paths[i], dc.getEntry(i).getPathString());
assertEquals(i, dc.findEntry(paths[i]));
assertSame(ents[i], dc.getEntry(paths[i]));
}
}
@Test
public void testBuilderClear() throws Exception {
final DirCache dc = db.readDirCache();
final String[] paths = { "a-", "a.b", "a/b", "a0b" };
final DirCacheEntry[] ents = new DirCacheEntry[paths.length];
for (int i = 0; i < paths.length; i++) {
ents[i] = new DirCacheEntry(paths[i]);
ents[i].setFileMode(FileMode.REGULAR_FILE);
}
{
final DirCacheBuilder b = dc.builder();
for (int i = 0; i < ents.length; i++)
b.add(ents[i]);
b.finish();
}
assertEquals(paths.length, dc.getEntryCount());
{
final DirCacheBuilder b = dc.builder();
b.finish();
}
assertEquals(0, dc.getEntryCount());
}
private static int real(int eIdx) {
if (eIdx < 0)
eIdx = -(eIdx + 1);
return eIdx;
}
}