/*
* 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 javax.jcr.Node;
import javax.jcr.Property;
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 javax.jcr.nodetype.ConstraintViolationException;
import org.apache.jackrabbit.test.AbstractJCRTest;
import org.apache.jackrabbit.test.NotExecutableException;
import org.apache.jackrabbit.test.RepositoryStub;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
/** <code>AbstractLockTest</code>... */
public abstract class AbstractLockTest extends AbstractJCRTest {
private static Logger log = LoggerFactory.getLogger(AbstractLockTest.class);
protected LockManager lockMgr;
protected Node lockedNode;
protected Node childNode;
protected Lock lock;
protected void setUp() throws Exception {
// check for lock support before creating the session in the super.setup
checkSupportedOption(Repository.OPTION_LOCKING_SUPPORTED);
super.setUp();
lockedNode = testRootNode.addNode(nodeName1, testNodeType);
ensureMixinType(lockedNode, mixLockable);
childNode = lockedNode.addNode(nodeName2, testNodeType);
testRootNode.getSession().save();
lockMgr = getLockManager(testRootNode.getSession());
lock = lockMgr.lock(lockedNode.getPath(), isDeep(), isSessionScoped(), getTimeoutHint(), getLockOwner());
}
protected void tearDown() throws Exception {
// release the lock created during setup
if (lockMgr != null && lockedNode != null && lockMgr.isLocked(lockedNode.getPath())) {
try {
lockMgr.unlock(lockedNode.getPath());
} catch (RepositoryException e) {
// ignore
}
}
super.tearDown();
}
protected abstract boolean isSessionScoped();
protected abstract boolean isDeep();
protected void assertLockable(Node n)
throws RepositoryException, NotExecutableException {
ensureMixinType(n, mixLockable);
n.getSession().save();
}
protected long getTimeoutHint() throws RepositoryException {
String timoutStr = getProperty(RepositoryStub.PROP_LOCK_TIMEOUT);
long hint = Long.MAX_VALUE;
if (timoutStr != null) {
try {
hint = Long.parseLong(timoutStr);
} catch (NumberFormatException e) {
log.warn(e.getMessage());
}
}
return hint;
}
protected String getLockOwner() throws RepositoryException {
String ownerStr = getProperty(RepositoryStub.PROP_LOCK_OWNER);
if (ownerStr == null) {
ownerStr = superuser.getUserID();
}
return ownerStr;
}
protected static LockManager getLockManager(Session session) throws RepositoryException {
return session.getWorkspace().getLockManager();
}
/**
* Test {@link javax.jcr.lock.Lock#isDeep()}.
*/
public void testIsDeep() {
assertEquals("Lock.isDeep must be consistent with lock call.", isDeep(), lock.isDeep());
}
/**
* Test {@link javax.jcr.lock.Lock#isLive()}.
*/
public void testIsLive() throws RepositoryException {
assertTrue("Lock.isLive must be true.", lock.isLive());
}
/**
* Test {@link javax.jcr.lock.Lock#refresh()} on a released lock.
*/
public void testRefresh() throws RepositoryException {
// refresh must succeed
lock.refresh();
}
// TODO: test if timeout gets reset upon Lock.refresh()
/**
* Test {@link javax.jcr.lock.Lock#refresh()} on a released lock.
*
* @throws Exception
*/
public void testRefreshNotLive() throws Exception {
// release the lock
lockMgr.unlock(lockedNode.getPath());
// refresh
try {
lock.refresh();
fail("Refresh on a lock that is not alive must fail");
} catch (LockException e) {
// success
}
}
/**
* Test {@link javax.jcr.lock.Lock#getNode()}.
*
* @throws RepositoryException If an exception occurs.
*/
public void testLockHoldingNode() throws RepositoryException {
assertTrue("Lock.getNode() must be lockholding node.", lock.getNode().isSame(lockedNode));
}
/**
* Test {@link LockManager#isLocked(String)} and {@link javax.jcr.Node#isLocked()}.
*
* @throws RepositoryException If an exception occurs.
*/
public void testNodeIsLocked() throws RepositoryException {
assertTrue("Node must be locked after lock creation.", lockedNode.isLocked());
assertTrue("Node must be locked after lock creation.", lockMgr.isLocked(lockedNode.getPath()));
}
/**
* Test {@link LockManager#holdsLock(String)} and {@link javax.jcr.Node#holdsLock()}.
*
* @throws RepositoryException If an exception occurs.
*/
public void testNodeHoldsLocked() throws RepositoryException {
assertTrue("Node must hold lock after lock creation.", lockedNode.holdsLock());
assertTrue("Node must hold lock after lock creation.", lockMgr.holdsLock(lockedNode.getPath()));
}
/**
* A locked node must also be locked if accessed by some other session.
*/
public void testLockVisibility() throws RepositoryException {
Session otherSession = getHelper().getReadWriteSession();
try {
Node ln = (Node) otherSession.getItem(lockedNode.getPath());
assertTrue("Locked node must also be locked for another session", ln.isLocked());
assertTrue("Locked node must also be locked for another session", ln.holdsLock());
assertTrue("Locked node must also be locked for another session", getLockManager(otherSession).holdsLock(ln.getPath()));
} finally {
otherSession.logout();
}
}
/**
* Test {@link javax.jcr.lock.Lock#isSessionScoped()}
*/
public void testIsSessionScoped() {
assertEquals("Lock.isSessionScoped must be consistent with lock call.", isSessionScoped(), lock.isSessionScoped());
}
/**
* Test {@link javax.jcr.lock.Lock#isLockOwningSession()}
*
* @throws RepositoryException If an exception occurs.
*/
public void testIsLockOwningSession() throws RepositoryException {
assertTrue("Session must be lock owner", lock.isLockOwningSession());
assertTrue("Session must be lock owner", lockedNode.getLock().isLockOwningSession());
assertTrue("Session must be lock owner", lockMgr.getLock(lockedNode.getPath()).isLockOwningSession());
Session otherSession = getHelper().getReadOnlySession();
try {
Lock lck = otherSession.getNode(lockedNode.getPath()).getLock();
assertFalse("Session must not be lock owner", lck.isLockOwningSession());
Lock lck2 = getLockManager(otherSession).getLock(lockedNode.getPath());
assertFalse("Session must not be lock owner", lck2.isLockOwningSession());
} finally {
otherSession.logout();
}
Session otherAdmin = getHelper().getSuperuserSession();
try {
Lock lck = otherAdmin.getNode(lockedNode.getPath()).getLock();
assertFalse("Other Session for the same userID must not be lock owner", lck.isLockOwningSession());
Lock lck2 = getLockManager(otherAdmin).getLock(lockedNode.getPath());
assertFalse("Other Session for the same userID must not be lock owner", lck2.isLockOwningSession());
} finally {
otherAdmin.logout();
}
}
/**
* Test {@link javax.jcr.lock.Lock#getSecondsRemaining()}
*/
public void testGetSecondsRemaining() throws RepositoryException {
if (lock.isLive()) {
assertTrue("Seconds remaining must be a positive long.", lock.getSecondsRemaining() > 0);
} else {
assertTrue("Seconds remaining must be a negative long.", lock.getSecondsRemaining() < 0);
}
}
/**
* Test {@link javax.jcr.lock.Lock#getSecondsRemaining()}
*/
public void testGetSecondsRemainingAfterUnlock() throws RepositoryException {
lockMgr.unlock(lockedNode.getPath());
assertTrue("Lock has been released: seconds remaining must be a negative long.", lock.getSecondsRemaining() < 0);
}
/**
* Test expiration of the lock
*/
public synchronized void testLockExpiration()
throws RepositoryException, NotExecutableException {
lockedNode.unlock();
long hint = 1;
lock = lockMgr.lock(
lockedNode.getPath(), isDeep(), isSessionScoped(), hint, null);
// only test if timeout hint was respected.
long remaining = lock.getSecondsRemaining();
if (remaining <= hint) {
if (remaining > 0) {
try {
wait(remaining * 4000); // wait four time as long to be safe
} catch (InterruptedException ignore) {
}
}
long secs = lock.getSecondsRemaining();
assertTrue(
"A released lock must return a negative number of seconds, was: " + secs,
secs < 0);
String message = "If the timeout hint is respected the lock"
+ " must be automatically released.";
assertFalse(message, lock.isLive());
assertFalse(message, lockedNode.isLocked());
assertFalse(message, lockMgr.isLocked(lockedNode.getPath()));
assertFalse(message, lockedNode.hasProperty(Property.JCR_LOCK_IS_DEEP));
assertFalse(message, lockedNode.hasProperty(Property.JCR_LOCK_OWNER));
} else {
throw new NotExecutableException("timeout hint was ignored.");
}
}
/**
* Test expiration of the lock
*/
public synchronized void testOwnerHint()
throws RepositoryException, NotExecutableException {
lockedNode.unlock();
lock = lockMgr.lock(lockedNode.getPath(), isDeep(), isSessionScoped(), Long.MAX_VALUE, "test");
String owner = lock.getLockOwner();
if (!"test".equals(lock.getLockOwner())) {
throw new NotExecutableException();
} else {
assertTrue(lockedNode.hasProperty(Property.JCR_LOCK_OWNER));
assertEquals("test", lockedNode.getProperty(Property.JCR_LOCK_OWNER).getString());
}
}
/**
* Test if Lock is properly released.
*
* @throws RepositoryException
*/
public void testUnlock() throws RepositoryException {
// release the lock
lockMgr.unlock(lockedNode.getPath());
// assert: lock must not be alive
assertFalse("lock must not be alive", lock.isLive());
}
/**
* Test {@link LockManager#unlock(String)} for a session that is not
* lock owner.
*
* @throws RepositoryException
* @throws NotExecutableException
*/
public void testUnlockByOtherSession() throws RepositoryException, NotExecutableException {
Session otherSession = getHelper().getReadWriteSession();
try {
getLockManager(otherSession).unlock(lockedNode.getPath());
fail("Another session must not be allowed to unlock.");
} catch (LockException e) {
// success
// make sure the node is still locked and the lock properties are
// still present.
assertTrue(lockMgr.isLocked(lockedNode.getPath()));
assertTrue(lockedNode.hasProperty(jcrlockIsDeep));
assertTrue(lockedNode.hasProperty(jcrLockOwner));
} finally {
otherSession.logout();
}
}
public void testIsLockedChild() throws RepositoryException {
assertEquals("Child node must be locked according to isDeep flag.", isDeep(), childNode.isLocked());
assertEquals("Child node must be locked according to isDeep flag.", isDeep(), lockMgr.isLocked(childNode.getPath()));
}
public void testIsLockedNewChild() throws RepositoryException {
Node newChild = lockedNode.addNode(nodeName3, testNodeType);
assertEquals("New child node must be locked according to isDeep flag.", isDeep(),
newChild.isLocked());
assertEquals("New child node must be locked according to isDeep flag.", isDeep(),
lockMgr.isLocked(newChild.getPath()));
}
public void testHoldsLockChild() throws RepositoryException {
assertFalse("Child node below a locked node must never be lock holder",
childNode.holdsLock());
assertFalse("Child node below a locked node must never be lock holder",
lockMgr.holdsLock(childNode.getPath()));
}
public void testHoldsLockNewChild() throws RepositoryException {
Node newChild = lockedNode.addNode(nodeName3, testNodeType);
assertFalse("Child node below a locked node must never be lock holder",
newChild.holdsLock());
assertFalse("Child node below a locked node must never be lock holder",
lockMgr.holdsLock(newChild.getPath()));
}
public void testGetLockOnChild() throws RepositoryException {
if (isDeep()) {
// get lock must succeed even if child is not lockable.
Lock lock = childNode.getLock();
assertNotNull(lock);
assertTrue("Lock.getNode() must return the lock holding node", lockedNode.isSame(lock.getNode()));
Lock lock2 = lockMgr.getLock(childNode.getPath());
assertNotNull(lock2);
assertTrue("Lock.getNode() must return the lock holding node", lockedNode.isSame(lock2.getNode()));
} else {
try {
childNode.getLock();
fail("Node.getLock() must throw if node is not locked.");
} catch (LockException e) {
// success
}
try {
lockMgr.getLock(childNode.getPath());
fail("LockManager.getLock(String) must throw if node is not locked.");
} catch (LockException e) {
// success
}
}
}
public void testGetLockOnNewChild() throws RepositoryException {
Node newChild = lockedNode.addNode(nodeName3, testNodeType);
if (isDeep()) {
// get lock must succeed even if child is not lockable.
Lock lock = newChild.getLock();
assertNotNull(lock);
assertTrue("Lock.getNode() must return the lock holding node", lockedNode.isSame(lock.getNode()));
Lock lock2 = lockMgr.getLock(newChild.getPath());
assertNotNull(lock2);
assertTrue("Lock.getNode() must return the lock holding node", lockedNode.isSame(lock2.getNode()));
} else {
try {
newChild.getLock();
fail("Node.getLock() must throw if node is not locked.");
} catch (LockException e) {
// success
}
try {
lockMgr.getLock(newChild.getPath());
fail("LockManager.getLock(String) must throw if node is not locked.");
} catch (LockException e) {
// success
}
}
}
public void testRemoveMixLockableFromLockedNode() throws RepositoryException,
NotExecutableException {
try {
lockedNode.removeMixin(mixLockable);
lockedNode.save();
// the mixin got removed -> the lock should implicitly be released
// as well in order not to have inconsistencies
String msg = "Lock should have been released.";
assertFalse(msg, lock.isLive());
assertFalse(msg, lockedNode.isLocked());
assertFalse(msg, lockMgr.isLocked(lockedNode.getPath()));
assertFalse(msg, lockedNode.hasProperty(jcrLockOwner));
assertFalse(msg, lockedNode.hasProperty(jcrlockIsDeep));
} catch (ConstraintViolationException e) {
// cannot remove the mixin -> ok
// consequently the node must still be locked, the lock still live...
String msg = "Lock must still be live.";
assertTrue(msg, lock.isLive());
assertTrue(msg, lockedNode.isLocked());
assertTrue(msg, lockMgr.isLocked(lockedNode.getPath()));
assertTrue(msg, lockedNode.hasProperty(jcrLockOwner));
assertTrue(msg, lockedNode.hasProperty(jcrlockIsDeep));
} finally {
// ev. re-add the mixin in order to be able to unlock the node
if (lockedNode.isLocked()) {
ensureMixinType(lockedNode, mixLockable);
lockedNode.save();
}
}
}
}