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 java.util.List;
import org.drools.DroolsTestCase;
import org.drools.RuleBaseFactory;
import org.drools.common.DefaultFactHandle;
import org.drools.common.PropagationContextImpl;
import org.drools.reteoo.builder.BuildContext;
import org.drools.spi.PropagationContext;
import org.drools.spi.Tuple;
public class LeftInputAdapterNodeTest extends DroolsTestCase {
private ReteooRuleBase ruleBase;
private BuildContext buildContext;
protected void setUp() throws Exception {
this.ruleBase = ( ReteooRuleBase ) RuleBaseFactory.newRuleBase();
this.buildContext = new BuildContext( ruleBase, ((ReteooRuleBase)ruleBase).getReteooBuilder().getIdGenerator() );
}
public void testLeftInputAdapterNode() {
final MockObjectSource source = new MockObjectSource( 15 );
final LeftInputAdapterNode liaNode = new LeftInputAdapterNode( 23,
source,
buildContext );
assertEquals( 23,
liaNode.getId() );
assertEquals( 0,
source.getAttached() );
source.attach();
assertEquals( 1,
source.getAttached() );
}
/**
* Tests the attaching of the LeftInputAdapterNode to an ObjectSource
* @throws Exception
*/
public void testAttach() throws Exception {
final MockObjectSource source = new MockObjectSource( 15 );
final LeftInputAdapterNode liaNode = new LeftInputAdapterNode( 1,
source,
buildContext );
final Field field = ObjectSource.class.getDeclaredField( "sink" );
field.setAccessible( true );
ObjectSinkPropagator sink = (ObjectSinkPropagator) field.get( source );
assertEquals( 1,
liaNode.getId() );
assertNotNull( sink );
liaNode.attach();
sink = (ObjectSinkPropagator) field.get( source );
assertEquals( 1,
sink.getSinks().length );
assertSame( liaNode,
sink.getSinks()[0] );
}
/**
* Tests the assertion of objects into LeftInputAdapterNode
*
* @throws Exception
*/
public void testAssertObjectWithoutMemory() throws Exception {
final PropagationContext context = new PropagationContextImpl( 0,
PropagationContext.ASSERTION,
null,
null,
null );
final ReteooWorkingMemory workingMemory = new ReteooWorkingMemory( 1,
(ReteooRuleBase) RuleBaseFactory.newRuleBase() );
final LeftInputAdapterNode liaNode = new LeftInputAdapterNode( 1,
new MockObjectSource( 15 ),
buildContext );
final MockLeftTupleSink sink = new MockLeftTupleSink();
liaNode.addTupleSink( sink );
final Object string1 = "cheese";
// assert object
final DefaultFactHandle f0 = (DefaultFactHandle) workingMemory.insert( string1 );
liaNode.assertObject( f0,
context,
workingMemory );
final List asserted = sink.getAsserted();
assertLength( 1,
asserted );
final Tuple tuple0 = (Tuple) ((Object[]) asserted.get( 0 ))[0];
assertSame( string1,
workingMemory.getObject( tuple0.get( 0 ) ) );
}
}