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org.apache.jackrabbit.test.api.lock.LockManagerTest Maven / Gradle / Ivy
/*
* 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.test.api.lock;
import java.util.Arrays;
import java.util.List;
import javax.jcr.InvalidItemStateException;
import javax.jcr.Node;
import javax.jcr.Repository;
import javax.jcr.RepositoryException;
import javax.jcr.Session;
import javax.jcr.lock.Lock;
import javax.jcr.lock.LockException;
import javax.jcr.lock.LockManager;
import org.apache.jackrabbit.test.AbstractJCRTest;
import org.apache.jackrabbit.test.NotExecutableException;
import org.apache.jackrabbit.test.RepositoryStub;
/** LockManagerTest... */
public class LockManagerTest extends AbstractJCRTest {
protected LockManager lockMgr;
protected Node testNode;
protected String testPath;
protected boolean openScopedLockMultiple;
protected void setUp() throws Exception {
super.setUp();
// check for lock support
if (Boolean.FALSE.toString().equals(superuser.getRepository().getDescriptor(Repository.OPTION_LOCKING_SUPPORTED))) {
throw new NotExecutableException();
}
testNode = testRootNode.addNode(nodeName1, testNodeType);
testRootNode.getSession().save();
testPath = testNode.getPath();
openScopedLockMultiple = Boolean.TRUE.toString()
.equals(getProperty(RepositoryStub.PROP_OPEN_SCOPED_LOCK_MULTIPLE, Boolean.FALSE.toString()));
lockMgr = getLockManager(superuser);
}
protected void tearDown() throws Exception {
if (lockMgr != null && lockMgr.holdsLock(testPath)) {
lockMgr.unlock(testPath);
}
super.tearDown();
}
private void assertLockable(Node n) throws RepositoryException,
NotExecutableException {
ensureMixinType(n, mixLockable);
n.getSession().save();
}
private static LockManager getLockManager(Session session) throws RepositoryException {
return session.getWorkspace().getLockManager();
}
private static boolean containsLockToken(LockManager lMgr, String token) throws RepositoryException {
return containsLockToken(lMgr.getLockTokens(), token);
}
private static boolean containsLockToken(String[] tokens, String token) throws RepositoryException {
for (int i = 0; i < tokens.length; i++) {
if (tokens[i].equals(token)) {
return true;
}
}
return false;
}
public void testLockNonLockable() throws NotExecutableException, RepositoryException {
if (testNode.isNodeType(mixLockable)) {
throw new NotExecutableException();
}
try {
lockMgr.lock(testPath, true, true, Long.MAX_VALUE, superuser.getUserID());
fail("Attempt to lock a non-lockable node must throw LockException.");
} catch (LockException e) {
// success
}
}
public void testLockWithPendingChanges() throws RepositoryException,
NotExecutableException {
assertLockable(testNode);
// transient modification
testNode.addNode(nodeName2);
try {
lockMgr.lock(testPath, true, true, Long.MAX_VALUE, superuser.getUserID());
fail("Attempt to lock a node with transient modifications must throw InvalidItemStateException.");
} catch (InvalidItemStateException e) {
// success
}
}
public void testNullOwnerHint() throws RepositoryException,
NotExecutableException {
assertLockable(testNode);
Lock l = lockMgr.lock(testPath, true, true, Long.MAX_VALUE, null);
assertNotNull(l.getLockOwner());
}
public void testGetLockTokens() throws RepositoryException,
NotExecutableException {
assertLockable(testNode);
boolean sessionScoped = false;
Lock l = lockMgr.lock(testPath, true, sessionScoped, Long.MAX_VALUE, null);
String ltoken = l.getLockToken();
assertTrue("Creating open scoped lock must add token to the lock manager.",
containsLockToken(lockMgr, ltoken));
assertTrue("Creating open scoped lock must add token to the lock manager.",
containsLockToken(superuser.getLockTokens(), ltoken));
}
public void testGetLockTokensAfterUnlock() throws RepositoryException,
NotExecutableException {
assertLockable(testNode);
boolean sessionScoped = false;
Lock l = lockMgr.lock(testPath, true, sessionScoped, Long.MAX_VALUE, null);
String ltoken = l.getLockToken();
lockMgr.unlock(testPath);
assertFalse("Removing an open scoped lock must remove the token from the lock manager.",
containsLockToken(lockMgr, ltoken));
assertFalse("Removing an open scoped lock must remove the token from the lock manager.",
containsLockToken(superuser.getLockTokens(), ltoken));
}
public void testGetLockTokensSessionScoped() throws RepositoryException,
NotExecutableException {
assertLockable(testNode);
List tokensBefore = Arrays.asList(lockMgr.getLockTokens());
boolean sessionScoped = true;
Lock l = lockMgr.lock(testPath, true, sessionScoped, Long.MAX_VALUE, null);
assertEquals("Creating a session scoped lock must not change the lock tokens.",
tokensBefore, Arrays.asList(lockMgr.getLockTokens()));
assertEquals("Creating a session scoped lock must not change the lock tokens.",
tokensBefore, Arrays.asList(superuser.getLockTokens()));
}
public void testAddLockToken() throws RepositoryException,
NotExecutableException {
assertLockable(testNode);
boolean sessionScoped = false;
Lock l = lockMgr.lock(testPath, true, sessionScoped, Long.MAX_VALUE, null);
String ltoken = l.getLockToken();
// adding lock token should have no effect.
lockMgr.addLockToken(ltoken);
}
public void testAddInvalidLockToken() throws RepositoryException {
try {
lockMgr.addLockToken("any-token");
fail("Adding an invalid token must fail.");
} catch (LockException e) {
// success
}
}
public void testAddLockTokenToAnotherSession() throws RepositoryException,
NotExecutableException {
assertLockable(testNode);
boolean sessionScoped = false;
Lock l = lockMgr.lock(testPath, true, sessionScoped, Long.MAX_VALUE, null);
String ltoken = l.getLockToken();
Session other = getHelper().getReadWriteSession();
try {
LockManager otherLockMgr = getLockManager(other);
assertFalse(containsLockToken(otherLockMgr, ltoken));
try {
otherLockMgr.addLockToken(ltoken);
if (!openScopedLockMultiple) {
fail("Adding token to another session must fail (see config property "
+ RepositoryStub.PROP_OPEN_SCOPED_LOCK_MULTIPLE + ".");
}
} catch (LockException e) {
if (openScopedLockMultiple) {
fail("Adding token to another session must not fail (see config property "
+ RepositoryStub.PROP_OPEN_SCOPED_LOCK_MULTIPLE + ".");
}
}
} finally {
other.logout();
}
}
public void testRemoveLockToken() throws Exception {
assertLockable(testNode);
boolean sessionScoped = false;
Lock l = lockMgr.lock(testPath, true, sessionScoped, Long.MAX_VALUE, null);
String ltoken = l.getLockToken();
try {
// remove lock token
lockMgr.removeLockToken(ltoken);
assertFalse(containsLockToken(lockMgr, ltoken));
assertFalse(containsLockToken(superuser.getLockTokens(), ltoken));
} finally {
// make sure lock token is added even if test fail
lockMgr.addLockToken(ltoken);
assertTrue(containsLockToken(lockMgr, ltoken));
assertNotNull("Token must be exposed again", l.getLockToken());
assertEquals("The lock must get the same token again.", ltoken, l.getLockToken());
}
}
public void testRemoveLockToken2() throws Exception {
assertLockable(testNode);
boolean sessionScoped = false;
Lock l = lockMgr.lock(testPath, true, sessionScoped, Long.MAX_VALUE, null);
String ltoken = l.getLockToken();
try {
lockMgr.removeLockToken(ltoken);
String nlt = l.getLockToken();
assertTrue("freshly obtained lock token must either be null or the same as the one returned earlier",
nlt == null || nlt.equals(ltoken));
} finally {
// make sure lock token is added even if test fail
lockMgr.addLockToken(ltoken);
}
}
public void testRemoveLockToken3() throws Exception {
assertLockable(testNode);
boolean sessionScoped = false;
Lock l = lockMgr.lock(testPath, true, sessionScoped, Long.MAX_VALUE, null);
String ltoken = l.getLockToken();
try {
lockMgr.removeLockToken(ltoken);
// without holding the token session must not be allowed to modify
// the locked node.
try {
testNode.addNode(nodeName2, testNodeType);
fail("Session must not be allowed to modify node");
} catch (LockException e) {
// expected
}
} finally {
// make sure lock token is added even if test fail
lockMgr.addLockToken(ltoken);
}
}
public void testRemoveLockTokenTwice() throws Exception {
assertLockable(testNode);
boolean sessionScoped = false;
Lock l = lockMgr.lock(testPath, true, sessionScoped, Long.MAX_VALUE, null);
String ltoken = l.getLockToken();
lockMgr.removeLockToken(ltoken);
try {
// remove token a second time
lockMgr.removeLockToken(ltoken);
fail("Removing a lock token twice must fail.");
} catch (LockException e) {
// success
} finally {
// make sure lock token is added even if test fail
lockMgr.addLockToken(ltoken);
}
}
public void testAddLockTokenAgain() throws Exception {
assertLockable(testNode);
boolean sessionScoped = false;
Lock l = lockMgr.lock(testPath, true, sessionScoped, Long.MAX_VALUE, null);
String ltoken = l.getLockToken();
try {
// remove lock token
lockMgr.removeLockToken(ltoken);
} finally {
// make sure lock token is added even if test fail
lockMgr.addLockToken(ltoken);
assertTrue(containsLockToken(lockMgr, ltoken));
assertNotNull("Token must be exposed again", l.getLockToken());
assertEquals("The lock must get the same token again.", ltoken, l.getLockToken());
}
}
public void testLockTransfer() throws Exception {
assertLockable(testNode);
boolean sessionScoped = false;
Lock l = lockMgr.lock(testPath, true, sessionScoped, Long.MAX_VALUE, null);
String ltoken = l.getLockToken();
Session other = getHelper().getReadWriteSession();
LockManager otherLockMgr = getLockManager(other);
try {
lockMgr.removeLockToken(ltoken);
otherLockMgr.addLockToken(ltoken);
assertTrue("The new holding manager must contain the token.", containsLockToken(otherLockMgr, ltoken));
Lock otherL = otherLockMgr.getLock(testPath);
assertNotNull("Token must be exposed to new lock holder.", otherL.getLockToken());
assertEquals("Token must be the same again.", ltoken, otherL.getLockToken());
} finally {
otherLockMgr.removeLockToken(ltoken);
lockMgr.addLockToken(ltoken);
other.logout();
}
}
public void testLockTransfer2() throws Exception {
assertLockable(testNode);
boolean sessionScoped = false;
Lock l = lockMgr.lock(testPath, true, sessionScoped, Long.MAX_VALUE, null);
String ltoken = l.getLockToken();
Session other = getHelper().getReadWriteSession();
LockManager otherLockMgr = getLockManager(other);
try {
lockMgr.removeLockToken(ltoken);
otherLockMgr.addLockToken(ltoken);
lockMgr.addLockToken(ltoken);
if (!openScopedLockMultiple) {
fail("Adding token to another session must fail (see config property "
+ RepositoryStub.PROP_OPEN_SCOPED_LOCK_MULTIPLE + ".");
}
} catch (LockException e) {
if (openScopedLockMultiple) {
fail("Adding token to another session must not fail (see config property "
+ RepositoryStub.PROP_OPEN_SCOPED_LOCK_MULTIPLE + ".");
}
} finally {
otherLockMgr.removeLockToken(ltoken);
lockMgr.addLockToken(ltoken);
other.logout();
}
}
public void testLockTransfer3() throws Exception {
assertLockable(testNode);
boolean sessionScoped = false;
Lock l = lockMgr.lock(testPath, true, sessionScoped, Long.MAX_VALUE, null);
String ltoken = l.getLockToken();
Session other = getHelper().getReadWriteSession();
LockManager otherLockMgr = getLockManager(other);
try {
lockMgr.removeLockToken(ltoken);
otherLockMgr.addLockToken(ltoken);
lockMgr.removeLockToken(ltoken);
fail("Removing a token that has been transfered to another manager must fail.");
} catch (LockException e) {
// success
} finally {
otherLockMgr.removeLockToken(ltoken);
lockMgr.addLockToken(ltoken);
other.logout();
}
}
}
