/*
* 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.jena.graph.test;
import java.util.ArrayList ;
import java.util.Arrays ;
import java.util.Iterator ;
import java.util.List ;
import org.apache.jena.graph.Graph ;
import org.apache.jena.graph.GraphListener ;
import org.apache.jena.graph.Triple ;
import org.junit.Assert ;
/**
This testing listener records the event names and data, and provides
a method for comparing the actual with the expected history.
*/
public class RecordingListener implements GraphListener
{
public List<Object> history = new ArrayList<>();
@Override
public void notifyAddTriple( Graph g, Triple t )
{ record( "add", g, t ); }
@Override
public void notifyAddArray( Graph g, Triple [] triples )
{ record( "add[]", g, triples ); }
@Override
public void notifyAddList( Graph g, List<Triple> triples )
{ record( "addList", g, triples ); }
@Override
public void notifyAddIterator( Graph g, Iterator<Triple> it )
{ record( "addIterator", g, GraphTestBase.iteratorToList( it ) ); }
@Override
public void notifyAddGraph( Graph g, Graph added )
{ record( "addGraph", g, added ); }
@Override
public void notifyDeleteTriple( Graph g, Triple t )
{ record( "delete", g, t ); }
@Override
public void notifyDeleteArray( Graph g, Triple [] triples )
{ record( "delete[]", g, triples ); }
@Override
public void notifyDeleteList( Graph g, List<Triple> triples )
{ record( "deleteList", g, triples ); }
@Override
public void notifyDeleteIterator( Graph g, Iterator<Triple> it )
{ record( "deleteIterator", g, GraphTestBase.iteratorToList( it ) ); }
@Override
public void notifyDeleteGraph( Graph g, Graph removed )
{ record( "deleteGraph", g, removed ); }
@Override
public void notifyEvent( Graph source, Object event )
{ record( "someEvent", source, event ); }
protected void record( String tag, Object x, Object y )
{ history.add( tag ); history.add( x ); history.add( y ); }
protected void record( String tag, Object info )
{ history.add( tag ); history.add( info ); }
public void clear()
{ history.clear(); }
public boolean has( List<Object> things )
{ return Arrays.deepEquals(history.toArray(), things.toArray() ); }
public boolean hasStart( List<Object> L )
{ return L.size() <= history.size() && L.equals( history.subList( 0, L.size() ) ); }
public boolean hasEnd( List<Object> L )
{ return L.size() <= history.size() && L.equals( history.subList( history.size() - L.size(), history.size() ) ); }
public boolean has( Object [] things )
{ return Arrays.deepEquals(history.toArray(), things ); }
public void assertHas( List<Object> things )
{ if (has( things ) == false) Assert.fail( "expected " + things + " but got " + history ); }
public void assertHas( Object [] things )
{ assertHas( Arrays.asList( things ) ); }
public void assertHasStart( Object [] start )
{
List<Object> L = Arrays.asList( start );
if (hasStart( L ) == false) Assert.fail( "expected " + L + " at the beginning of " + history );
}
public void assertHasEnd( Object [] end )
{
List<Object> L = Arrays.asList( end );
if (hasEnd( L ) == false) Assert.fail( "expected " + L + " at the end of " + history );
}
}