/*
* Copyright (c) 2002-2009 "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.core;
import static org.junit.Assert.assertEquals;
import static org.junit.Assert.assertFalse;
import static org.junit.Assert.fail;
import java.util.logging.Level;
import java.util.logging.Logger;
import org.junit.Test;
import org.neo4j.graphdb.Direction;
import org.neo4j.graphdb.Node;
import org.neo4j.graphdb.NotFoundException;
import org.neo4j.graphdb.Relationship;
import org.neo4j.graphdb.Transaction;
import org.neo4j.kernel.impl.AbstractNeo4jTestCase;
import org.neo4j.kernel.impl.MyRelTypes;
public class TestNeo4jConstrains extends AbstractNeo4jTestCase
{
private String key = "testproperty";
@Test
public void testDeleteReferenceNodeOrLastNodeIsOk()
{
Transaction tx = getTransaction();
for ( int i = 0; i < 10; i++ )
{
getGraphDb().createNode();
}
// long numNodesPre = getNodeManager().getNumberOfIdsInUse( Node.class
// );
// empty the DB instance
for ( Node node : getGraphDb().getAllNodes() )
{
for ( Relationship rel : node.getRelationships() )
{
rel.delete();
}
node.delete();
}
tx.success();
tx.finish();
tx = getGraphDb().beginTx();
// the DB should be empty
// long numNodesPost = getNodeManager().getNumberOfIdsInUse( Node.class
// );
// System.out.println(String.format( "pre: %d, post: %d", numNodesPre,
// numNodesPost ));
assertFalse( getGraphDb().getAllNodes().iterator().hasNext() );
// TODO: this should be valid, fails right now!
// assertEquals( 0, numNodesPost );
try
{
getGraphDb().getReferenceNode();
fail();
}
catch ( NotFoundException nfe )
{
// should be thrown
}
tx.success();
tx.finish();
}
@Test
public void testDeleteNodeWithRel1()
{
Node node1 = getGraphDb().createNode();
Node node2 = getGraphDb().createNode();
node1.createRelationshipTo( node2, MyRelTypes.TEST );
node1.delete();
try
{
Transaction tx = getTransaction();
tx.success();
tx.finish();
fail( "Should not validate" );
}
catch ( Exception e )
{
// good
}
setTransaction( getGraphDb().beginTx() );
}
@Test
public void testDeleteNodeWithRel2()
{
Node node1 = getGraphDb().createNode();
Node node2 = getGraphDb().createNode();
node1.createRelationshipTo( node2, MyRelTypes.TEST );
node2.delete();
node1.delete();
try
{
Transaction tx = getTransaction();
tx.success();
tx.finish();
fail( "Should not validate" );
}
catch ( Exception e )
{
// good
}
setTransaction( getGraphDb().beginTx() );
}
@Test
public void testDeleteNodeWithRel3()
{
// make sure we can delete in wrong order
Node node0 = getGraphDb().createNode();
Node node1 = getGraphDb().createNode();
Node node2 = getGraphDb().createNode();
Relationship rel0 = node0.createRelationshipTo( node1, MyRelTypes.TEST );
Relationship rel1 = node0.createRelationshipTo( node2, MyRelTypes.TEST );
node1.delete();
rel0.delete();
Transaction tx = getTransaction();
tx.success();
tx.finish();
setTransaction( getGraphDb().beginTx() );
node2.delete();
rel1.delete();
node0.delete();
}
@Test
public void testCreateRelOnDeletedNode()
{
Node node1 = getGraphDb().createNode();
Node node2 = getGraphDb().createNode();
Transaction tx = getTransaction();
tx.success();
tx.finish();
tx = getGraphDb().beginTx();
node1.delete();
clearCache();
try
{
node1.createRelationshipTo( node2, MyRelTypes.TEST );
fail( "Create of rel on deleted node should fail fast" );
}
catch ( Exception e )
{ // ok
}
try
{
tx.failure();
tx.finish();
// fail( "Transaction should be marked rollback" );
}
catch ( Exception e )
{ // good
}
setTransaction( getGraphDb().beginTx() );
node2.delete();
node1.delete();
}
@Test
public void testAddPropertyDeletedNode()
{
Node node = getGraphDb().createNode();
node.delete();
try
{
node.setProperty( key, new Integer( 1 ) );
fail( "Add property on deleted node should not validate" );
}
catch ( Exception e )
{
// good
}
}
@Test
public void testRemovePropertyDeletedNode()
{
Node node = getGraphDb().createNode();
node.setProperty( key, new Integer( 1 ) );
node.delete();
try
{
node.removeProperty( key );
Transaction tx = getTransaction();
tx.success();
tx.finish();
fail( "Change property on deleted node should not validate" );
}
catch ( Exception e )
{
// ok
}
}
@Test
public void testChangePropertyDeletedNode()
{
Node node = getGraphDb().createNode();
node.setProperty( key, new Integer( 1 ) );
node.delete();
try
{
node.setProperty( key, new Integer( 2 ) );
Transaction tx = getTransaction();
tx.success();
tx.finish();
fail( "Change property on deleted node should not validate" );
}
catch ( Exception e )
{
// ok
}
}
@Test
public void testAddPropertyDeletedRelationship()
{
Node node1 = getGraphDb().createNode();
Node node2 = getGraphDb().createNode();
Relationship rel = node1.createRelationshipTo( node2, MyRelTypes.TEST );
rel.delete();
try
{
rel.setProperty( key, new Integer( 1 ) );
Transaction tx = getTransaction();
tx.success();
tx.finish();
fail( "Add property on deleted rel should not validate" );
}
catch ( Exception e )
{ // good
}
node1.delete();
node2.delete();
}
@Test
public void testRemovePropertyDeletedRelationship()
{
Node node1 = getGraphDb().createNode();
Node node2 = getGraphDb().createNode();
Relationship rel = node1.createRelationshipTo( node2, MyRelTypes.TEST );
rel.setProperty( key, new Integer( 1 ) );
rel.delete();
try
{
rel.removeProperty( key );
Transaction tx = getTransaction();
tx.success();
tx.finish();
fail( "Remove property on deleted rel should not validate" );
}
catch ( Exception e )
{
// ok
}
node1.delete();
node2.delete();
}
@Test
public void testChangePropertyDeletedRelationship()
{
Node node1 = getGraphDb().createNode();
Node node2 = getGraphDb().createNode();
Relationship rel = node1.createRelationshipTo( node2, MyRelTypes.TEST );
rel.setProperty( key, new Integer( 1 ) );
rel.delete();
try
{
rel.setProperty( key, new Integer( 2 ) );
Transaction tx = getTransaction();
tx.success();
tx.finish();
fail( "Change property on deleted rel should not validate" );
}
catch ( Exception e )
{
// ok
}
node1.delete();
node2.delete();
}
@Test
public void testMultipleDeleteNode()
{
Node node1 = getGraphDb().createNode();
node1.delete();
try
{
node1.delete();
Transaction tx = getTransaction();
tx.success();
tx.finish();
fail( "Should not validate" );
}
catch ( Exception e )
{
// ok
}
}
@Test
public void testMultipleDeleteRelationship()
{
Node node1 = getGraphDb().createNode();
Node node2 = getGraphDb().createNode();
Relationship rel = node1.createRelationshipTo( node2, MyRelTypes.TEST );
rel.delete();
node1.delete();
node2.delete();
try
{
rel.delete();
Transaction tx = getTransaction();
tx.success();
tx.finish();
fail( "Should not validate" );
}
catch ( Exception e )
{
// ok
}
}
@Test
public void testIllegalPropertyType()
{
Logger log = Logger.getLogger( NodeManager.class.getName() );
Level level = log.getLevel();
log.setLevel( Level.OFF );
try
{
Node node1 = getGraphDb().createNode();
try
{
node1.setProperty( key, new Object() );
fail( "Shouldn't validate" );
}
catch ( Exception e )
{ // good
}
try
{
Transaction tx = getTransaction();
tx.success();
tx.finish();
fail( "Shouldn't validate" );
}
catch ( Exception e )
{
} // good
setTransaction( getGraphDb().beginTx() );
try
{
getGraphDb().getNodeById( (int) node1.getId() );
fail( "Node should not exist, previous tx didn't rollback" );
}
catch ( NotFoundException e )
{
// good
}
node1 = getGraphDb().createNode();
Node node2 = getGraphDb().createNode();
Relationship rel = node1.createRelationshipTo( node2,
MyRelTypes.TEST );
try
{
rel.setProperty( key, new Object() );
fail( "Shouldn't validate" );
}
catch ( Exception e )
{ // good
}
try
{
Transaction tx = getTransaction();
tx.success();
tx.finish();
fail( "Shouldn't validate" );
}
catch ( Exception e )
{
} // good
setTransaction( getGraphDb().beginTx() );
try
{
getGraphDb().getNodeById( (int) node1.getId() );
fail( "Node should not exist, previous tx didn't rollback" );
}
catch ( NotFoundException e )
{
// good
}
try
{
getGraphDb().getNodeById( (int) node2.getId() );
fail( "Node should not exist, previous tx didn't rollback" );
}
catch ( NotFoundException e )
{
// good
}
}
finally
{
log.setLevel( level );
}
}
@Test
public void testNodeRelDeleteSemantics()
{
Node node1 = getGraphDb().createNode();
Node node2 = getGraphDb().createNode();
Relationship rel1 = node1.createRelationshipTo( node2, MyRelTypes.TEST );
Relationship rel2 = node1.createRelationshipTo( node2, MyRelTypes.TEST );
node1.setProperty( "key1", "value1" );
rel1.setProperty( "key1", "value1" );
newTransaction();
node1.delete();
try
{
node1.getProperty( "key1" );
fail ( "Should throw exception" );
}
catch ( IllegalStateException e )
{ // good
}
try
{
node1.setProperty( "key1", "value2" );
fail ( "Should throw exception" );
}
catch ( IllegalStateException e )
{ // good
}
try
{
node1.removeProperty( "key1" );
fail ( "Should throw exception" );
}
catch ( IllegalStateException e )
{ // good
}
node2.delete();
try
{
node2.delete();
fail( "Should throw exception" );
}
catch ( IllegalStateException e )
{ // good
}
clearCache();
assertEquals( node1, getGraphDb().getNodeById( node1.getId() ) );
assertEquals( node2, getGraphDb().getNodeById( node2.getId() ) );
try
{
node1.getProperty( "key1" );
fail ( "Should throw exception" );
}
catch ( IllegalStateException e )
{ // good
}
try
{
node1.setProperty( "key1", "value2" );
fail ( "Should throw exception" );
}
catch ( IllegalStateException e )
{ // good
}
try
{
node1.removeProperty( "key1" );
fail ( "Should throw exception" );
}
catch ( IllegalStateException e )
{ // good
}
assertEquals( "value1", rel1.getProperty( "key1" ) );
rel1.delete();
try
{
rel1.delete();
fail( "Should throw exception" );
}
catch ( IllegalStateException e )
{ // good
}
try
{
rel1.getProperty( "key1" );
fail ( "Should throw exception" );
}
catch ( IllegalStateException e )
{ // good
}
try
{
rel1.setProperty( "key1", "value2" );
fail ( "Should throw exception" );
}
catch ( IllegalStateException e )
{ // good
}
try
{
rel1.removeProperty( "key1" );
fail ( "Should throw exception" );
}
catch ( IllegalStateException e )
{ // good
}
clearCache();
assertEquals( rel1, getGraphDb().getRelationshipById( rel1.getId() ) );
try
{
rel1.getProperty( "key1" );
fail ( "Should throw exception" );
}
catch ( IllegalStateException e )
{ // good
}
try
{
rel1.setProperty( "key1", "value2" );
fail ( "Should throw exception" );
}
catch ( IllegalStateException e )
{ // good
}
try
{
rel1.removeProperty( "key1" );
fail ( "Should throw exception" );
}
catch ( IllegalStateException e )
{ // good
}
try
{
node2.createRelationshipTo( node1, MyRelTypes.TEST );
fail( "Should throw exception" );
}
catch ( IllegalStateException e )
{ // good
}
clearCache();
try
{
node2.createRelationshipTo( node1, MyRelTypes.TEST );
fail( "Should throw exception" );
}
catch ( IllegalStateException e )
{ // good
}
assertEquals( rel2, node1.getSingleRelationship( MyRelTypes.TEST,
Direction.OUTGOING ) );
clearCache();
assertEquals( rel2, node2.getSingleRelationship( MyRelTypes.TEST,
Direction.INCOMING ) );
clearCache();
assertEquals( node1, rel1.getStartNode() );
clearCache();
assertEquals( node2, rel2.getEndNode() );
Node[] nodes = rel1.getNodes();
assertEquals( node1, nodes[0] );
assertEquals( node2, nodes[1] );
clearCache();
assertEquals( node2, rel1.getOtherNode( node1 ) );
rel2.delete();
// will be marked for rollback so commit will throw exception
rollback();
}
}