package org.drools.reteoo;
/*
* $Id: ReteTest.java,v 1.10 2005/05/08 04:05:13 dbarnett Exp $
*
* Copyright 2003-2005 (C) The Werken Company. All Rights Reserved.
*
* Redistribution and use of this software and associated documentation
* ("Software"), with or without modification, are permitted provided that the
* following conditions are met:
*
* 1. Redistributions of source code must retain copyright statements and
* notices. Redistributions must also contain a copy of this document.
*
* 2. Redistributions in binary form must reproduce the above copyright notice,
* this list of conditions and the following disclaimer in the documentation
* and/or other materials provided with the distribution.
*
* 3. The name "drools" must not be used to endorse or promote products derived
* from this Software without prior written permission of The Werken Company.
* For written permission, please contact bob@werken.com.
*
* 4. Products derived from this Software may not be called "drools" nor may
* "drools" appear in their names without prior written permission of The Werken
* Company. "drools" is a registered trademark of The Werken Company.
*
* 5. Due credit should be given to The Werken Company.
* (http://drools.werken.com/).
*
* THIS SOFTWARE IS PROVIDED BY THE WERKEN COMPANY AND CONTRIBUTORS ``AS IS''
* AND ANY EXPRESSED OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
* ARE DISCLAIMED. IN NO EVENT SHALL THE WERKEN COMPANY OR ITS CONTRIBUTORS BE
* LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
* POSSIBILITY OF SUCH DAMAGE.
*
*/
import java.util.Collection;
import java.util.List;
import org.drools.DroolsTestCase;
import org.drools.spi.MockObjectType;
public class ReteTest extends DroolsTestCase
{
private Rete rete;
private InstrumentedObjectTypeNode objectTypeNode;
private InstrumentedObjectTypeNode stringTypeNode;
public void setUp()
{
this.rete = new Rete( );
this.objectTypeNode = new InstrumentedObjectTypeNode( new MockObjectType( Object.class ) );
this.stringTypeNode = new InstrumentedObjectTypeNode( new MockObjectType( String.class ) );
this.rete.addObjectTypeNode( this.objectTypeNode );
this.rete.addObjectTypeNode( this.stringTypeNode );
}
public void tearDown()
{
this.rete = null;
}
public void testGetObjectTypeNodes() throws Exception
{
Collection objectTypeNodes = this.rete.getObjectTypeNodes( );
assertEquals( 2, objectTypeNodes.size( ) );
assertTrue( objectTypeNodes.contains( this.objectTypeNode ) );
assertTrue( objectTypeNodes.contains( this.stringTypeNode ) );
}
/**
* All objects asserted to a RootNode must be propagated to all children
* ObjectTypeNodes.
*/
public void testAssertObject() throws Exception
{
Object object1 = new Object( );
String string1 = "cheese";
this.rete.assertObject( new FactHandleImpl( 1 ), object1, null );
this.rete.assertObject( new FactHandleImpl( 2 ), string1, null );
List asserted = null;
// ----------------------------------------
asserted = this.objectTypeNode.getAssertedObjects( );
assertEquals( 2, asserted.size( ) );
assertSame( object1, asserted.get( 0 ) );
assertSame( string1, asserted.get( 1 ) );
// ----------------------------------------
asserted = this.stringTypeNode.getAssertedObjects( );
assertEquals( 2, asserted.size( ) );
assertSame( object1, asserted.get( 0 ) );
assertSame( string1, asserted.get( 1 ) );
}
/**
* All objects retracted from a RootNode must be propagated to all children
* ObjectTypeNodes.
*/
public void testRetractObject() throws Exception
{
WorkingMemoryImpl memory = new WorkingMemoryImpl( new RuleBaseImpl( new Rete( ) ) );
FactHandleImpl handle1 = new FactHandleImpl( 1 );
FactHandleImpl handle2 = new FactHandleImpl( 2 );
memory.putObject( handle1, "cheese1" );
memory.putObject( handle2, "cheese2" );
this.rete.retractObject( handle1, memory );
this.rete.retractObject( handle2, memory );
List retracted = null;
// ----------------------------------------
retracted = this.objectTypeNode.getRetractedHandles( );
assertLength( 2, retracted );
assertContains( handle1, retracted );
assertContains( handle2, retracted );
// ----------------------------------------
retracted = this.stringTypeNode.getRetractedHandles( );
assertLength( 2, retracted );
assertContains( handle1, retracted );
assertContains( handle2, retracted );
}
}