package org.drools.conflict;
/*
* $Id: DefaultConflictResolverTest.java,v 1.12 2005/02/04 02:13:36 mproctor Exp $
*
* Copyright 2001-2003 (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,
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* 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 trademark of The Werken Company.
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* 5. Due credit should be given to The Werken Company. (http://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
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import java.io.ByteArrayInputStream;
import java.io.ByteArrayOutputStream;
import java.io.ObjectInput;
import java.io.ObjectInputStream;
import java.io.ObjectOutput;
import java.io.ObjectOutputStream;
import junit.framework.TestCase;
import org.drools.rule.InstrumentedRule;
import org.drools.rule.RuleSet;
import org.drools.spi.ConflictResolver;
import org.drools.spi.InstrumentedCondition;
import org.drools.spi.MockAgendaItem;
import org.drools.spi.MockTuple;
import org.drools.util.PriorityQueue;
public class DefaultConflictResolverTest extends TestCase
{
private ConflictResolver conflictResolver;
private InstrumentedRule brieRule;
private InstrumentedRule camembertRule;
private InstrumentedRule stiltonRule;
private InstrumentedRule cheddarRule;
private InstrumentedRule fetaRule;
private InstrumentedRule mozzarellaRule;
private MockAgendaItem brie;
private MockAgendaItem camembert;
private MockAgendaItem stilton;
private MockAgendaItem cheddar;
private MockAgendaItem feta;
private MockAgendaItem mozzarella;
private PriorityQueue items;
public DefaultConflictResolverTest(String name)
{
super( name );
}
public void setUp() throws Exception
{
this.conflictResolver = DefaultConflictResolver.getInstance( );
items = new PriorityQueue( this.conflictResolver );
brieRule = new InstrumentedRule( "brie" );
brieRule.isValid( true );
camembertRule = new InstrumentedRule( "camembert" );
camembertRule.isValid( true );
stiltonRule = new InstrumentedRule( "stilton" );
stiltonRule.isValid( true );
cheddarRule = new InstrumentedRule( "cheddar" );
cheddarRule.isValid( true );
fetaRule = new InstrumentedRule( "feta" );
fetaRule.isValid( true );
mozzarellaRule = new InstrumentedRule( "mozzarella" );
mozzarellaRule.isValid( true );
brie = new MockAgendaItem( new MockTuple( ), brieRule );
camembert = new MockAgendaItem( new MockTuple( ), camembertRule );
stilton = new MockAgendaItem( new MockTuple( ), stiltonRule );
cheddar = new MockAgendaItem( new MockTuple( ), cheddarRule );
feta = new MockAgendaItem( new MockTuple( ), fetaRule );
mozzarella = new MockAgendaItem( new MockTuple( ), mozzarellaRule );
MockTuple tuple = ( MockTuple ) brie.getTuple( );
tuple.setMostRecentFactTimeStamp( 1 );
tuple = ( MockTuple ) feta.getTuple( );
tuple.setMostRecentFactTimeStamp( 2 );
tuple = ( MockTuple ) camembert.getTuple( );
tuple.setMostRecentFactTimeStamp( 3 );
brieRule.setSalience( 1 );
fetaRule.setSalience( 1 );
camembertRule.setSalience( 2 );
stiltonRule.setSalience( 3 );
cheddarRule.setSalience( 3 );
mozzarellaRule.setSalience( 4 );
RuleSet ruleSet;
ruleSet = new RuleSet( "cheese board" );
ruleSet.addRule( mozzarellaRule );
ruleSet.addRule( camembertRule );
ruleSet.addRule( cheddarRule );
ruleSet.addRule( brieRule );
ruleSet.addRule( stiltonRule );
ruleSet.addRule( fetaRule );
}
public void tearDown()
{
conflictResolver = null;
items = null;
brieRule = null;
camembertRule = null;
stiltonRule = null;
cheddarRule = null;
fetaRule = null;
mozzarellaRule = null;
brie = null;
camembert = null;
stilton = null;
cheddar = null;
feta = null;
mozzarella = null;
}
public void testSingleInsert()
{
this.items.add( brie );
assertEquals( 1, this.items.size( ) );
assertSame( brie, this.items.remove( ) );
}
public void testAscendingOrderInsert()
{
brieRule.setSalience( 0 );
fetaRule.setSalience( 0 );
camembertRule.setSalience( 0 );
this.items.add( brie );
this.items.add( feta );
this.items.add( camembert );
assertEquals( 3, this.items.size( ) );
assertSame( brie, items.remove( ) );
assertSame( feta, items.remove( ) );
assertSame( camembert, items.remove( ) );
}
public void testWhatDoesThisTest() throws Exception
{
//one condition
brieRule.addCondition( new InstrumentedCondition( ) );
//one condition
fetaRule.addCondition( new InstrumentedCondition( ) );
//one condition
cheddarRule.addCondition( new InstrumentedCondition( ) );
//two conditions
stiltonRule.addCondition( new InstrumentedCondition( ) );
stiltonRule.addCondition( new InstrumentedCondition( ) );
this.items.add( stilton );
this.items.add( mozzarella );
this.items.add( cheddar );
this.items.add( camembert );
this.items.add( brie );
this.items.add( feta );
assertSame( mozzarella, items.remove( ) );
assertSame( stilton, items.remove( ) );
assertSame( cheddar, items.remove( ) );
assertSame( camembert, items.remove( ) );
assertSame( brie, items.remove( ) );
assertSame( feta, items.remove( ) );
}
public void testAndWhatIsThisTesting() throws Exception
{
//one condition
cheddarRule.addCondition( new InstrumentedCondition( ) );
//one condition
mozzarellaRule.addCondition( new InstrumentedCondition( ) );
//one condition
camembertRule.addCondition( new InstrumentedCondition( ) );
//two conditions
fetaRule.addCondition( new InstrumentedCondition( ) );
fetaRule.addCondition( new InstrumentedCondition( ) );
//three conditions
stiltonRule.addCondition( new InstrumentedCondition( ) );
stiltonRule.addCondition( new InstrumentedCondition( ) );
stiltonRule.addCondition( new InstrumentedCondition( ) );
this.items.add( stilton );
this.items.add( mozzarella );
this.items.add( cheddar );
this.items.add( brie );
this.items.add( feta );
this.items.add( camembert );
assertSame( mozzarella, items.remove( ) );
assertSame( stilton, items.remove( ) );
assertSame( cheddar, items.remove( ) );
assertSame( camembert, items.remove( ) );
assertSame( brie, items.remove( ) );
assertSame( feta, items.remove( ) );
}
public void testSerialize() throws Exception
{
// Serialize to a byte array
ByteArrayOutputStream bos = new ByteArrayOutputStream( );
ObjectOutput out = new ObjectOutputStream( bos );
out.writeObject( conflictResolver );
out.close( );
// Get the bytes of the serialized object
byte[] bytes = bos.toByteArray( );
// Deserialize from a byte array
ObjectInput in = new ObjectInputStream(
new ByteArrayInputStream( bytes ) );
conflictResolver = ( ConflictResolver ) in.readObject( );
in.close( );
}
}