/**
* Copyright (c) 2002-2011 "Neo Technology,"
* Network Engine for Objects in Lund AB [http://neotechnology.com]
*
* This file is part of Neo4j.
*
* Neo4j is free software: you can redistribute it and/or modify
* it under the terms of the GNU Affero General Public License as
* published by the Free Software Foundation, either version 3 of the
* License, or (at your option) any later version.
*
* This program 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 Affero General Public License for more details.
*
* You should have received a copy of the GNU Affero General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
package org.neo4j.kernel.impl.event;
import static org.junit.Assert.assertTrue;
import static org.junit.Assert.fail;
import java.io.File;
import javax.transaction.Transaction;
import javax.transaction.TransactionManager;
import org.junit.Test;
import org.neo4j.graphdb.event.ErrorState;
import org.neo4j.graphdb.event.KernelEventHandler;
import org.neo4j.helpers.UTF8;
import org.neo4j.kernel.EmbeddedGraphDatabase;
import org.neo4j.kernel.impl.AbstractNeo4jTestCase;
import org.neo4j.kernel.impl.transaction.XaDataSourceManager;
public class TestKernelPanic
{
@Test
public void panicTest() throws Exception
{
String path = "target/var/testdb";
AbstractNeo4jTestCase.deleteFileOrDirectory( new File( path ) );
EmbeddedGraphDatabase graphDb = new EmbeddedGraphDatabase( path );
XaDataSourceManager xaDs =
graphDb.getConfig().getTxModule().getXaDataSourceManager();
IllBehavingXaDataSource noob = new IllBehavingXaDataSource();
xaDs.registerDataSource( "noob", noob, UTF8.encode( "554342" ) );
Panic panic = new Panic();
graphDb.registerKernelEventHandler( panic );
org.neo4j.graphdb.Transaction gdbTx = graphDb.beginTx();
TransactionManager txMgr = graphDb.getConfig().getTxModule().getTxManager();
Transaction tx = txMgr.getTransaction();
graphDb.createNode();
tx.enlistResource( noob.getXaConnection().getXaResource() );
try
{
gdbTx.success();
gdbTx.finish();
fail( "Should fail" );
}
catch ( Throwable t )
{
// ok
for ( int i = 0; i < 10 && panic.panic == false; i++ )
{
Thread.sleep( 1000 );
}
}
finally
{
graphDb.unregisterKernelEventHandler( panic );
}
assertTrue( panic.panic );
graphDb.shutdown();
}
private static class Panic implements KernelEventHandler
{
boolean panic = false;
public void beforeShutdown()
{
// TODO Auto-generated method stub
}
public Object getResource()
{
// TODO Auto-generated method stub
return null;
}
public void kernelPanic( ErrorState error )
{
panic = true;
}
public ExecutionOrder orderComparedTo( KernelEventHandler other )
{
// TODO Auto-generated method stub
return null;
}
}
}