package org.drools.reteoo;
/*
* $Id: ParameterNodeTest.java,v 1.20 2005/05/08 04:05:13 dbarnett Exp $
*
* Copyright 2001-2005 (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
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*
*/
import java.util.List;
import java.util.Set;
import org.drools.DroolsTestCase;
import org.drools.RuleBase;
import org.drools.rule.Declaration;
import org.drools.rule.Rule;
import org.drools.spi.MockObjectType;
import org.drools.spi.Tuple;
public class ParameterNodeTest extends DroolsTestCase
{
/**
* A ParameterNode MUST create a new tuple with a column based upon the
* initialization Declaration, containing the incoming Object as its value,
* and propagate it.
*/
public void testAssertObject() throws Exception
{
Object object1 = "cheese";
Rule rule = new Rule( "test-rule 1" );
Declaration paramDecl = rule.addParameterDeclaration( "paramVar", new MockObjectType( true ) );
//add consequence
rule.setConsequence( new org.drools.spi.InstrumentedConsequence( ) );
//add condition
rule.addCondition( new org.drools.spi.InstrumentedCondition( ) );
RuleBase ruleBase = new RuleBaseImpl( new Rete( ) );
ParameterNode node = new ParameterNode( null, paramDecl );
InstrumentedTupleSink sink = new InstrumentedTupleSink( );
node.addTupleSink( sink );
FactHandleImpl handle = new FactHandleImpl( 1 );
WorkingMemoryImpl memory = (WorkingMemoryImpl) ruleBase.newWorkingMemory( );
memory.putObject(handle, object1);
node.assertObject( handle, object1, memory );
List asserted = sink.getAssertedTuples( );
assertEquals( 1, asserted.size( ) );
Tuple tuple = ( Tuple ) asserted.get( 0 );
assertSame( object1, tuple.get( paramDecl ) );
}
/**
* A ParameterNode MUST return a set consisting of the initialization
* Declaration as its only member for getParamterDeclarations().
*/
public void testGetTupleDeclarations() throws Exception
{
Rule rule = new Rule( "test-rule 1" );
Declaration paramDecl = rule.addParameterDeclaration( "paramVar", new MockObjectType( true ) );
//add consequence
rule.setConsequence( new org.drools.spi.InstrumentedConsequence() );
//add condition
rule.addCondition( new org.drools.spi.InstrumentedCondition() );
ParameterNode node = new ParameterNode( null, paramDecl );
Set decls = node.getTupleDeclarations( );
assertLength( 1, decls );
assertContains( paramDecl, decls );
}
}