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Merged HEAD-QA to HEAD (4.2) (including moving test classes into separate folders)

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git-svn-id: https://svn.alfresco.com/repos/alfresco-enterprise/alfresco/HEAD/root@54310 c4b6b30b-aa2e-2d43-bbcb-ca4b014f7261
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Samuel Langlois
2013-08-20 17:17:31 +00:00
parent 0a36e2af67
commit ab4ca7177f
1576 changed files with 36419 additions and 8603 deletions
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source/test-java/org/alfresco/repo/domain/locks/LockDAOTest.java Normal file
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/*
* Copyright (C) 2005-2010 Alfresco Software Limited.
*
* This file is part of Alfresco
*
* Alfresco is free software: you can redistribute it and/or modify
* it under the terms of the GNU Lesser General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* Alfresco is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public License
* along with Alfresco. If not, see <http://www.gnu.org/licenses/>.
*/
package org.alfresco.repo.domain.locks;
import java.util.concurrent.TimeUnit;
import java.util.concurrent.locks.ReentrantLock;
import junit.framework.TestCase;
import org.alfresco.repo.lock.LockAcquisitionException;
import org.alfresco.repo.transaction.AlfrescoTransactionSupport;
import org.alfresco.repo.transaction.RetryingTransactionHelper;
import org.alfresco.repo.transaction.RetryingTransactionHelper.RetryingTransactionCallback;
import org.alfresco.service.ServiceRegistry;
import org.alfresco.service.namespace.QName;
import org.alfresco.service.transaction.TransactionService;
import org.alfresco.util.ApplicationContextHelper;
import org.springframework.context.ApplicationContext;
/**
* @see LockDAO
*
* @author Derek Hulley
* @since 3.2
*/
public class LockDAOTest extends TestCase
{
public static final String NAMESPACE = "http://www.alfresco.org/test/LockDAOTest";
private ApplicationContext ctx = ApplicationContextHelper.getApplicationContext();
private TransactionService transactionService;
private RetryingTransactionHelper txnHelper;
private LockDAO lockDAO;
// Lock names for the tests
private QName lockA;
private QName lockAA;
private QName lockAAA;
private QName lockAAB;
private QName lockAAC;
private QName lockAB;
private QName lockABA;
private QName lockABB;
private QName lockABC;
@Override
public void setUp() throws Exception
{
ServiceRegistry serviceRegistry = (ServiceRegistry) ctx.getBean(ServiceRegistry.SERVICE_REGISTRY);
transactionService = serviceRegistry.getTransactionService();
txnHelper = transactionService.getRetryingTransactionHelper();
txnHelper.setMinRetryWaitMs(10);
txnHelper.setRetryWaitIncrementMs(10);
txnHelper.setMaxRetryWaitMs(50);
lockDAO = (LockDAO) ctx.getBean("lockDAO");
// Get the test name
String testName = getName();
// Build lock names for the test
lockA = QName.createQName(NAMESPACE, "a-" + testName);
lockAA = QName.createQName(NAMESPACE, "a-" + testName + ".a-" + testName);
lockAAA = QName.createQName(NAMESPACE, "a-" + testName + ".a-" + testName + ".a-" + testName);
lockAAB = QName.createQName(NAMESPACE, "a-" + testName + ".a-" + testName + ".b-" + testName);
lockAAC = QName.createQName(NAMESPACE, "a-" + testName + ".a-" + testName + ".c-" + testName);
lockAB = QName.createQName(NAMESPACE, "a-" + testName + ".b-" + testName);
lockABA = QName.createQName(NAMESPACE, "a-" + testName + ".b-" + testName + ".a-" + testName);
lockABB = QName.createQName(NAMESPACE, "a-" + testName + ".b-" + testName + ".b-" + testName);
lockABC = QName.createQName(NAMESPACE, "a-" + testName + ".b-" + testName + ".c-" + testName);
}
private String lock(final QName lockName, final long timeToLive, boolean expectSuccess)
{
try
{
String token = lock(lockName, timeToLive);
if (!expectSuccess)
{
fail("Expected lock " + lockName + " to have been denied");
}
return token;
}
catch (LockAcquisitionException e)
{
if (expectSuccess)
{
// oops
throw new RuntimeException("Expected to get lock " + lockName + " with TTL of " + timeToLive, e);
}
else
{
return null;
}
}
}
/**
* Do the lock in a new transaction
* @return Returns the lock token or <tt>null</tt> if it didn't work
* @throws LockAcquisitionException on failure
*/
private String lock(final QName lockName, final long timeToLive)
{
RetryingTransactionCallback<String> callback = new RetryingTransactionCallback<String>()
{
public String execute() throws Throwable
{
String txnId = AlfrescoTransactionSupport.getTransactionId();
lockDAO.getLock(lockName, txnId, timeToLive);
return txnId;
}
};
return txnHelper.doInTransaction(callback);
}
private void refresh(final QName lockName, final String lockToken, final long timeToLive, boolean expectSuccess)
{
RetryingTransactionCallback<Boolean> callback = new RetryingTransactionCallback<Boolean>()
{
public Boolean execute() throws Throwable
{
lockDAO.refreshLock(lockName, lockToken, timeToLive);
return Boolean.TRUE;
}
};
try
{
txnHelper.doInTransaction(callback);
if (!expectSuccess)
{
fail("Expected to have failed to refresh lock " + lockName);
}
}
catch (LockAcquisitionException e)
{
if (expectSuccess)
{
throw new RuntimeException("Expected to have refreshed lock " + lockName, e);
}
}
}
private void release(final QName lockName, final String lockToken, boolean expectSuccess)
{
RetryingTransactionCallback<Boolean> callback = new RetryingTransactionCallback<Boolean>()
{
public Boolean execute() throws Throwable
{
lockDAO.releaseLock(lockName, lockToken, false);
return Boolean.TRUE;
}
};
try
{
txnHelper.doInTransaction(callback);
if (!expectSuccess)
{
fail("Expected to have failed to release lock " + lockName);
}
}
catch (LockAcquisitionException e)
{
if (expectSuccess)
{
throw new RuntimeException("Expected to have released lock " + lockName, e);
}
}
}
public void testGetLockBasic() throws Exception
{
lock(lockAAA, 500L, true);
}
/**
* Ensure that the lock tables and queries scale
*/
public void testLockTableScaling() throws Exception
{
int count = 500;
long before = System.currentTimeMillis();
for (int i = 1; i <= count; i++)
{
QName lockName = QName.createQName(lockAAA.getNamespaceURI(), lockAAA.getLocalName() + "-" + i);
lock(lockName, 500L, true);
if (i % 100 == 0)
{
long after = System.currentTimeMillis();
System.out.println("Creation of " + i + " locks took " + (after-before)/1000 + "s");
}
}
}
public void testGetLockFailureBasic() throws Exception
{
lock(lockAAA, 500L, true);
lock(lockAAA, 0L, false);
}
public void testSharedLocks() throws Exception
{
lock(lockAAA, 500L, true);
lock(lockAAB, 500L, true);
lock(lockAAC, 500L, true);
lock(lockABA, 500L, true);
lock(lockABB, 500L, true);
lock(lockABC, 500L, true);
}
public void testExclusiveLockBlockedByShared() throws Exception
{
lock(lockAAA, 5000L, true);
lock(lockAA, 5000L, false);
lock(lockAB, 5000L, true);
lock(lockA, 5000L, false);
lock(lockABA, 5000L, false);
}
public void testReleaseLockBasic() throws Exception
{
String token = lock(lockAAA, 500000L, true);
release(lockAAA, token, true);
token = lock(lockAAA, 0L, true);
}
public void testReleaseLockRepeated() throws Exception
{
String token = lock(lockAAA, 500000L, true);
release(lockAAA, token, true);
release(lockAAA, token, false);
try
{
lockDAO.releaseLock(lockAAA, token, false);
fail("Pessimistic lock release should have failed.");
}
catch (LockAcquisitionException e)
{
// Expected
}
try
{
boolean released = lockDAO.releaseLock(lockAAA, token, true);
// Expected
assertFalse("Release should have been negative.", released);
}
catch (LockAcquisitionException e)
{
fail("Optimistic lock release should have succeeded.");
}
}
public void testSharedLockAndRelease() throws Exception
{
String tokenAAA = lock(lockAAA, 5000L, true);
String tokenAAB = lock(lockAAB, 5000L, true);
String tokenAAC = lock(lockAAC, 5000L, true);
String tokenABA = lock(lockABA, 5000L, true);
String tokenABB = lock(lockABB, 5000L, true);
String tokenABC = lock(lockABC, 5000L, true);
// Can't lock shared resources
lock(lockAA, 0L, false);
lock(lockAB, 0L, false);
lock(lockA, 0L, false);
// Release a lock and check again
release(lockAAA, tokenAAA, true);
lock(lockAA, 0L, false);
lock(lockAB, 0L, false);
lock(lockA, 0L, false);
// Release a lock and check again
release(lockAAB, tokenAAB, true);
lock(lockAA, 0L, false);
lock(lockAB, 0L, false);
lock(lockA, 0L, false);
// Release a lock and check again
release(lockAAC, tokenAAC, true);
String tokenAA = lock(lockAA, 5000L, true); // This should be open now
lock(lockAB, 0L, false);
lock(lockA, 0L, false);
// Release a lock and check again
release(lockABA, tokenABA, true);
lock(lockAB, 0L, false);
lock(lockA, 0L, false);
// Release a lock and check again
release(lockABB, tokenABB, true);
lock(lockAB, 0L, false);
lock(lockA, 0L, false);
// Release a lock and check again
release(lockABC, tokenABC, true);
String tokenAB = lock(lockAB, 5000L, true);
lock(lockA, 0L, false);
// Release AA and AB
release(lockAA, tokenAA, true);
release(lockAB, tokenAB, true);
String tokenA = lock(lockA, 5000L, true);
// ... and release
release(lockA, tokenA, true);
}
public synchronized void testLockExpiry() throws Exception
{
lock(lockAAA, 50L, true);
this.wait(100L);
lock(lockAA, 50L, true);
this.wait(100L);
lock(lockA, 100L, true);
}
/**
* Check that locks grabbed away due to expiry cannot be released
* @throws Exception
*/
public synchronized void testLockExpiryAndRelease() throws Exception
{
String tokenAAA = lock(lockAAA, 500L, true);
release(lockAAA, tokenAAA, true);
tokenAAA = lock(lockAAA, 50L, true); // Make sure we can re-acquire the lock
this.wait(100L); // Wait for expiry
String grabbedTokenAAAA = lock(lockAAA, 50L, true); // Grabbed lock over the expiry
release(lockAAA, tokenAAA, false); // Can't release any more
this.wait(100L); // Wait for expiry
release(lockAAA, grabbedTokenAAAA, true); // Proof that expiry, on it's own, doesn't prevent release
}
public synchronized void testLockRefresh() throws Exception
{
String tokenAAA = lock(lockAAA, 1000L, true);
// Loop, refreshing and testing
for (int i = 0; i < 40; i++)
{
wait(50L);
// It will have expired, but refresh it anyway
refresh(lockAAA, tokenAAA, 1000L, true);
// Check that it is still holding
lock(lockAAA, 0L, false);
}
}
/**
* Uses a thread lock to ensure that the lock DAO only allows locks through one at a time.
*/
public synchronized void xtestConcurrentLockAcquisition() throws Exception
{
ReentrantLock threadLock = new ReentrantLock();
GetLockThread[] threads = new GetLockThread[5];
for (int i = 0; i < threads.length; i++)
{
threads[i] = new GetLockThread(threadLock);
threads[i].start();
}
// Wait a bit and see if any encountered errors
boolean allDone = false;
waitLoop:
for (int waitLoop = 0; waitLoop < 500; waitLoop++)
{
wait(1000L);
for (int i = 0; i < threads.length; i++)
{
if (!threads[i].isDone())
{
continue waitLoop;
}
}
// All the threads are done
allDone = true;
break;
}
// Check that all the threads got a turn
if (!allDone)
{
fail("Not all threads managed to acquire the lock");
}
// Get errors
StringBuilder errors = new StringBuilder(512);
for (int i = 0; i < threads.length; i++)
{
if (threads[i].error != null)
{
errors.append("\nThread ").append(i).append(" error: ").append(threads[i].error);
}
}
if (errors.toString().length() > 0)
{
fail(errors.toString());
}
}
/**
* Checks that the lock via the DAO forces a serialization
*/
private class GetLockThread extends Thread
{
private final ReentrantLock threadLock;
private boolean done;
private String error;
private GetLockThread(ReentrantLock threadLock)
{
this.threadLock = threadLock;
this.done = false;
this.error = null;
setDaemon(true);
}
@Override
public synchronized void run()
{
boolean gotLock = false;
try
{
String tokenAAA = null;
while (true)
{
try
{
tokenAAA = lock(lockAAA, 100000L); // Lock for a long time
// Success
break;
}
catch (LockAcquisitionException e)
{
// OK. Keep trying.
}
try { wait(20L); } catch (InterruptedException e) {}
}
gotLock = threadLock.tryLock(0, TimeUnit.MILLISECONDS);
if (!gotLock)
{
error = "Got lock via DAO but not via thread lock";
return;
}
release(lockAAA, tokenAAA, true);
}
catch (Throwable e)
{
error = e.getMessage();
}
finally
{
done = true;
if (gotLock)
{
threadLock.unlock();
}
}
}
public synchronized boolean isDone()
{
return done;
}
}
}