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/*
* Copyright (C) 2008-2009, Google Inc. 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.dircache;
import static org.junit.Assert.assertEquals;
import static org.junit.Assert.assertFalse;
import static org.junit.Assert.assertNotNull;
import static org.junit.Assert.assertTrue;
import static org.junit.Assert.fail;
import java.io.File;
import java.text.MessageFormat;
import org.eclipse.jgit.errors.CorruptObjectException;
import org.eclipse.jgit.internal.JGitText;
import org.eclipse.jgit.junit.MockSystemReader;
import org.eclipse.jgit.junit.RepositoryTestCase;
import org.eclipse.jgit.lib.Constants;
import org.eclipse.jgit.lib.FileMode;
import org.eclipse.jgit.lib.ObjectInserter;
import org.eclipse.jgit.util.SystemReader;
import org.junit.Test;
public class DirCacheBasicTest extends RepositoryTestCase {
@Test
public void testReadMissing_RealIndex() throws Exception {
final File idx = new File(db.getDirectory(), "index");
assertFalse(idx.exists());
final DirCache dc = db.readDirCache();
assertNotNull(dc);
assertEquals(0, dc.getEntryCount());
}
@Test
public void testReadMissing_TempIndex() throws Exception {
final File idx = new File(db.getDirectory(), "tmp_index");
assertFalse(idx.exists());
final DirCache dc = DirCache.read(idx, db.getFS());
assertNotNull(dc);
assertEquals(0, dc.getEntryCount());
}
@Test
public void testLockMissing_RealIndex() throws Exception {
final File idx = new File(db.getDirectory(), "index");
final File lck = new File(db.getDirectory(), "index.lock");
assertFalse(idx.exists());
assertFalse(lck.exists());
final DirCache dc = db.lockDirCache();
assertNotNull(dc);
assertFalse(idx.exists());
assertTrue(lck.exists());
assertEquals(0, dc.getEntryCount());
dc.unlock();
assertFalse(idx.exists());
assertFalse(lck.exists());
}
@Test
public void testLockMissing_TempIndex() throws Exception {
final File idx = new File(db.getDirectory(), "tmp_index");
final File lck = new File(db.getDirectory(), "tmp_index.lock");
assertFalse(idx.exists());
assertFalse(lck.exists());
final DirCache dc = DirCache.lock(idx, db.getFS());
assertNotNull(dc);
assertFalse(idx.exists());
assertTrue(lck.exists());
assertEquals(0, dc.getEntryCount());
dc.unlock();
assertFalse(idx.exists());
assertFalse(lck.exists());
}
@Test
public void testWriteEmptyUnlock_RealIndex() throws Exception {
final File idx = new File(db.getDirectory(), "index");
final File lck = new File(db.getDirectory(), "index.lock");
assertFalse(idx.exists());
assertFalse(lck.exists());
final DirCache dc = db.lockDirCache();
assertEquals(0, lck.length());
dc.write();
assertEquals(12 + 20, lck.length());
dc.unlock();
assertFalse(idx.exists());
assertFalse(lck.exists());
}
@Test
public void testWriteEmptyCommit_RealIndex() throws Exception {
final File idx = new File(db.getDirectory(), "index");
final File lck = new File(db.getDirectory(), "index.lock");
assertFalse(idx.exists());
assertFalse(lck.exists());
final DirCache dc = db.lockDirCache();
assertEquals(0, lck.length());
dc.write();
assertEquals(12 + 20, lck.length());
assertTrue(dc.commit());
assertTrue(idx.exists());
assertFalse(lck.exists());
assertEquals(12 + 20, idx.length());
}
@Test
public void testWriteEmptyReadEmpty_RealIndex() throws Exception {
final File idx = new File(db.getDirectory(), "index");
final File lck = new File(db.getDirectory(), "index.lock");
assertFalse(idx.exists());
assertFalse(lck.exists());
{
final DirCache dc = db.lockDirCache();
dc.write();
assertTrue(dc.commit());
assertTrue(idx.exists());
}
{
final DirCache dc = db.readDirCache();
assertEquals(0, dc.getEntryCount());
}
}
@Test
public void testWriteEmptyLockEmpty_RealIndex() throws Exception {
final File idx = new File(db.getDirectory(), "index");
final File lck = new File(db.getDirectory(), "index.lock");
assertFalse(idx.exists());
assertFalse(lck.exists());
{
final DirCache dc = db.lockDirCache();
dc.write();
assertTrue(dc.commit());
assertTrue(idx.exists());
}
{
final DirCache dc = db.lockDirCache();
assertEquals(0, dc.getEntryCount());
assertTrue(idx.exists());
assertTrue(lck.exists());
dc.unlock();
}
}
@Test
public void testBuildThenClear() 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 (DirCacheEntry ent : ents) {
b.add(ent);
}
b.finish();
assertFalse(dc.hasUnmergedPaths());
assertEquals(paths.length, dc.getEntryCount());
dc.clear();
assertEquals(0, dc.getEntryCount());
assertFalse(dc.hasUnmergedPaths());
}
@Test
public void testDetectUnmergedPaths() throws Exception {
final DirCache dc = db.readDirCache();
final DirCacheEntry[] ents = new DirCacheEntry[3];
ents[0] = new DirCacheEntry("a", 1);
ents[0].setFileMode(FileMode.REGULAR_FILE);
ents[1] = new DirCacheEntry("a", 2);
ents[1].setFileMode(FileMode.REGULAR_FILE);
ents[2] = new DirCacheEntry("a", 3);
ents[2].setFileMode(FileMode.REGULAR_FILE);
final DirCacheBuilder b = dc.builder();
for (DirCacheEntry ent : ents) {
b.add(ent);
}
b.finish();
assertTrue(dc.hasUnmergedPaths());
}
@Test
public void testFindOnEmpty() throws Exception {
final DirCache dc = DirCache.newInCore();
final byte[] path = Constants.encode("a");
assertEquals(-1, dc.findEntry(path, path.length));
}
@Test
public void testRejectInvalidWindowsPaths() throws Exception {
SystemReader.setInstance(new MockSystemReader() {
{
setUnix();
}
});
String path = "src/con.txt";
DirCache dc = db.lockDirCache();
DirCacheBuilder b = dc.builder();
DirCacheEntry e = new DirCacheEntry(path);
e.setFileMode(FileMode.REGULAR_FILE);
try (ObjectInserter.Formatter formatter = new ObjectInserter.Formatter()) {
e.setObjectId(formatter.idFor(
Constants.OBJ_BLOB,
Constants.encode(path)));
}
b.add(e);
b.commit();
db.readDirCache();
SystemReader.setInstance(new MockSystemReader() {
{
setWindows();
}
});
try {
db.readDirCache();
fail("should have rejected " + path);
} catch (CorruptObjectException err) {
assertEquals(MessageFormat.format(JGitText.get().invalidPath, path),
err.getMessage());
assertNotNull(err.getCause());
assertEquals("invalid name 'CON'", err.getCause().getMessage());
}
}
}
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