/*
* Licensed to the Apache Software Foundation (ASF) under one or more
* contributor license agreements. See the NOTICE file distributed with
* this work for additional information regarding copyright ownership.
* The ASF licenses this file to You under the Apache License, Version 2.0
* (the "License"); you may not use this file except in compliance with
* the License. You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package org.apache.jackrabbit.core.util;
import java.io.File;
import java.io.IOException;
import javax.jcr.RepositoryException;
import org.apache.jackrabbit.core.util.RepositoryLock;
import junit.framework.TestCase;
/**
* Unit tests for the {@link RepositoryLock} class.
*/
public class RepositoryLockTest extends TestCase {
/**
* The temporary directory used for testing.
*/
private File directory;
/**
* Sets up the temporary directory used for testing.
*/
protected void setUp() throws IOException {
directory = File.createTempFile("RepositoryLock", "Test");
directory.delete();
directory.mkdir();
}
/**
* Deletes the temporary directory used for testing.
*/
protected void tearDown() {
delete(directory);
}
/**
* Recursively deletes the given file or directory.
*
* @param file file or directory to be deleted
*/
private void delete(File file) {
File[] files = file.listFiles();
for (int i = 0; files != null && i < files.length; i++) {
delete(files[i]);
}
file.delete();
}
/**
* Tests that when an acquired lock is released, the lock file is
* automatically removed.
*
* @throws RepositoryException if an error occurs
*/
public void testNoFilesLeftBehind() throws RepositoryException {
RepositoryLock lock = new RepositoryLock(directory.getPath());
lock.acquire();
lock.release();
assertEquals(
"Some files left behind by a lock",
0, directory.listFiles().length);
}
/**
* Tests that locking is exclusive within a single JVM.
*
* @throws RepositoryException if an error occurs
*/
public void testTwoLocks() throws RepositoryException {
RepositoryLock lockA = new RepositoryLock(directory.getPath());
RepositoryLock lockB = new RepositoryLock(directory.getPath());
lockA.acquire();
try {
lockB.acquire();
fail("Can acquire an already acquired lock");
} catch (RepositoryException e) {
}
lockA.release();
try {
lockB.acquire();
} catch (RepositoryException e) {
fail("Can not acquire a released lock");
}
lockB.release();
}
/**
* Tests that the canonical path is used for locking.
*
* @see https://issues.apache.org/jira/browse/JCR-933
* @throws RepositoryException
*/
public void testCanonicalPath() throws RepositoryException {
RepositoryLock lockA = new RepositoryLock(directory.getPath());
lockA.acquire();
try {
File parent = new File(directory, "..");
RepositoryLock lockB = new RepositoryLock(
new File(parent, directory.getName()).getPath());
lockB.acquire();
fail("Can acquire an already acquired lock using a different path");
} catch (RepositoryException e) {
}
lockA.release();
}
}