package org.neo4j.meta.input.rdfs;
import static org.junit.Assert.assertEquals;
import static org.junit.Assert.assertTrue;
import java.util.Collection;
import org.junit.AfterClass;
import org.junit.BeforeClass;
import org.neo4j.graphdb.Direction;
import org.neo4j.graphdb.GraphDatabaseService;
import org.neo4j.graphdb.Node;
import org.neo4j.graphdb.Relationship;
import org.neo4j.kernel.EmbeddedGraphDatabase;
import org.neo4j.meta.model.MetaModelRelTypes;
import org.neo4j.util.EntireGraphDeletor;
/**
* Base class for tests.
*/
public abstract class MetaTestCase
{
private static GraphDatabaseService graphDb;
@BeforeClass
public static void setUpDb() throws Exception
{
graphDb = new EmbeddedGraphDatabase( "target/var/db" );
}
@AfterClass
public static void tearDownDb() throws Exception
{
graphDb.shutdown();
}
protected static GraphDatabaseService graphDb()
{
return graphDb;
}
protected <T> String join( String delimiter, T... items )
{
StringBuffer buffer = new StringBuffer();
for ( T item : items )
{
if ( buffer.length() > 0 )
{
buffer.append( delimiter );
}
buffer.append( item.toString() );
}
return buffer.toString();
}
protected <T> void assertCollection( Collection<T> collection, T... items )
{
String collectionString = join( ", ", collection.toArray() );
assertEquals( collectionString, items.length, collection.size() );
for ( T item : items )
{
assertTrue( collection.contains( item ) );
}
}
protected void deleteMetaModel()
{
Relationship rel = graphDb().getReferenceNode().getSingleRelationship(
MetaModelRelTypes.REF_TO_META_SUBREF, Direction.OUTGOING );
Node node = rel.getEndNode();
rel.delete();
new EntireGraphDeletor().delete( node );
}
}