package org.drools.rule;
/*
* $Id: RuleSetTest.java,v 1.15 2005/05/08 04:05:13 dbarnett Exp $
*
* Copyright 2002-2005 (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.io.ByteArrayInputStream;
import java.io.ByteArrayOutputStream;
import java.io.ObjectInput;
import java.io.ObjectInputStream;
import java.io.ObjectOutput;
import java.io.ObjectOutputStream;
import org.drools.DroolsTestCase;
import org.drools.spi.MockObjectType;
public class RuleSetTest extends DroolsTestCase
{
private RuleSet ruleSet;
public RuleSetTest(String name)
{
super( name );
}
public void setUp()
{
this.ruleSet = new RuleSet( "rule_set" );
}
public void tearDown()
{
this.ruleSet = null;
}
public void testBasics()
{
assertEquals( "rule_set",
this.ruleSet.getName( ) );
}
public void testDocumentation()
{
assertNull( this.ruleSet.getDocumentation( ) );
this.ruleSet.setDocumentation( "the cheesiest!" );
assertEquals( "the cheesiest!",
this.ruleSet.getDocumentation( ) );
}
/**
* A RuleSet MUST accept any Rule that does not have a conflicting name.
*/
public void testAddRule() throws Exception
{
InstrumentedRule rule;
rule = new InstrumentedRule( "cheese" );
rule.isValid( true );
this.ruleSet.addRule( rule );
assertEquals( 0,
rule.getLoadOrder( ) );
rule = new InstrumentedRule( "meat" );
rule.isValid( true );
this.ruleSet.addRule( rule );
assertEquals( 1,
rule.getLoadOrder( ) );
rule = new InstrumentedRule( "vegetables" );
rule.isValid( true );
this.ruleSet.addRule( rule );
assertEquals( 2,
rule.getLoadOrder( ) );
}
public void testGetRule() throws Exception
{
assertNull( this.ruleSet.getRule( "cheese" ) );
InstrumentedRule rule = new InstrumentedRule( "cheese" );
rule.isValid( true );
this.ruleSet.addRule( rule );
assertSame( rule,
this.ruleSet.getRule( "cheese" ) );
assertNull( this.ruleSet.getRule( "betty" ) );
}
/**
* A RuleSet MUST throw a DuplicateRuleNameException if an attempt to add a
* Rule whose name conflicts with an already added Rule.
*/
public void testAddRuleDuplicate() throws Exception
{
InstrumentedRule rule1 = new InstrumentedRule( "cheese" );
InstrumentedRule rule2 = new InstrumentedRule( "cheese" );
rule1.isValid( true );
rule2.isValid( true );
this.ruleSet.addRule( rule1 );
try
{
this.ruleSet.addRule( rule2 );
fail( "Should have thrown DuplicateRuleNameException" );
}
catch ( DuplicateRuleNameException e )
{
assertSame( this.ruleSet,
e.getRuleSet( ) );
assertSame( rule1,
e.getOriginalRule( ) );
assertSame( rule2,
e.getConflictingRule( ) );
}
}
public void testSerializeRuleSet() throws Exception
{
Rule rule1 = new Rule( "test-rule 1" );
rule1.addParameterDeclaration( "paramVar",
new MockObjectType( true ) );
// add consequence
rule1.setConsequence( new org.drools.spi.InstrumentedConsequence( ) );
// add conditions
rule1.addCondition( new org.drools.spi.InstrumentedCondition( ) );
rule1.addCondition( new org.drools.spi.InstrumentedCondition( ) );
rule1.setSalience( 42 );
rule1.setLoadOrder( 22 );
Rule rule2 = new Rule( "test-rule 2" );
rule2.addParameterDeclaration( "paramVar",
new MockObjectType( true ) );
// add consequence
rule2.setConsequence( new org.drools.spi.InstrumentedConsequence( ) );
// add conditions
rule2.addCondition( new org.drools.spi.InstrumentedCondition( ) );
rule2.addCondition( new org.drools.spi.InstrumentedCondition( ) );
rule2.setSalience( 12 );
rule2.setLoadOrder( 2 );
RuleSet ruleSet = new RuleSet( "rule_set" );
ruleSet.addRule( rule1 );
ruleSet.addRule( rule2 );
// Serialize to a byte array
ByteArrayOutputStream bos = new ByteArrayOutputStream( );
ObjectOutput out = new ObjectOutputStream( bos );
out.writeObject( ruleSet );
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 ) );
ruleSet = (RuleSet) in.readObject( );
in.close( );
assertLength( 2,
ruleSet.getRules( ) );
}
}