/**
* Copyright 2010 JBoss Inc
*
* Licensed 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.drools.reteoo;
/*
* Copyright 2005 JBoss Inc
*
* Licensed 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.
*/
import java.lang.reflect.Field;
import org.drools.DroolsTestCase;
public class TupleSourceTest extends DroolsTestCase {
public void testObjectTupleConstructor() {
final MockTupleSource source = new MockTupleSource( 15 );
assertEquals( 15,
source.getId() );
}
public void testAddTupleSink() throws Exception {
final MockTupleSource source = new MockTupleSource( 15 );
// We need to re-assign this var each time the sink changes references
final Field field = LeftTupleSource.class.getDeclaredField( "sink" );
field.setAccessible( true );
LeftTupleSinkPropagator sink = (LeftTupleSinkPropagator) field.get( source );
assertSame( EmptyLeftTupleSinkAdapter.getInstance(),
sink );
final MockLeftTupleSink sink1 = new MockLeftTupleSink();
source.addTupleSink( sink1 );
sink = (LeftTupleSinkPropagator) field.get( source );
assertSame( SingleLeftTupleSinkAdapter.class,
sink.getClass() );
assertEquals( 1,
sink.getSinks().length );
final MockLeftTupleSink sink2 = new MockLeftTupleSink();
source.addTupleSink( sink2 );
sink = (LeftTupleSinkPropagator) field.get( source );
assertSame( CompositeLeftTupleSinkAdapter.class,
sink.getClass() );
assertEquals( 2,
sink.getSinks().length );
final MockLeftTupleSink sink3 = new MockLeftTupleSink();
source.addTupleSink( sink3 );
assertSame( CompositeLeftTupleSinkAdapter.class,
sink.getClass() );
assertEquals( 3,
sink.getSinks().length );
source.removeTupleSink( sink2 );
assertSame( CompositeLeftTupleSinkAdapter.class,
sink.getClass() );
assertEquals( 2,
sink.getSinks().length );
source.removeTupleSink( sink1 );
sink = (LeftTupleSinkPropagator) field.get( source );
assertSame( SingleLeftTupleSinkAdapter.class,
sink.getClass() );
assertEquals( 1,
sink.getSinks().length );
source.removeTupleSink( sink3 );
sink = (LeftTupleSinkPropagator) field.get( source );
assertSame( EmptyLeftTupleSinkAdapter.getInstance(),
sink );
assertEquals( 0,
sink.getSinks().length );
}
}