package org.drools.decisiontable;
/*
* Copyright 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.StringReader;
import junit.framework.TestCase;
import org.drools.IntegrationException;
import org.drools.RuleBase;
import org.drools.decisiontable.model.Condition;
import org.drools.decisiontable.model.Consequence;
import org.drools.decisiontable.model.Parameter;
import org.drools.decisiontable.model.Rule;
import org.drools.decisiontable.model.Ruleset;
import org.drools.io.RuleBaseLoader;
import org.drools.io.RuleSetLoader;
/**
* @author <a href="mailto:michael.neale@gmail.com"> Michael Neale</a>
*
* Basic test to cover using ruleset to DRL conversion.
*/
public class RulesetToDRLTest extends TestCase
{
public void testBuildRuleBaseBasicParsing() throws Exception
{
String ruleText = getTestRuleSet( ).toXML( );
RuleSetLoader ruleSetLoader = new RuleSetLoader();
ruleSetLoader.addFromReader( new StringReader( ruleText ) );
RuleBaseLoader ruleBaseLoader = new RuleBaseLoader();
ruleBaseLoader.addFromRuleSetLoader(ruleSetLoader);
RuleBase ruleBase = ruleBaseLoader.buildRuleBase();
assertNotNull( ruleBase );
}
public static Ruleset getTestRuleSet()
{
Ruleset ruleSet = new Ruleset( "name" ); //$NON-NLS-1$
Rule rule = new Rule( "rule", new Integer(1) ); //$NON-NLS-1$
rule.setComment( "a comment" ); //$NON-NLS-1$
Condition cond = new Condition( );
cond.setSnippet( "System.currentTimeMillis() > 42 /* comment here */" );
rule.addCondition( cond );
Consequence cons = new Consequence( );
cons.setSnippet( "System.out.println(\"yeah\");" );
rule.addConsequence( cons );
Parameter param = new Parameter( );
param.setClassName( "java.lang.String" ); //$NON-NLS-1$
param.setIdentifier( "s" );
param.setComment( "param comment" ); //$NON-NLS-1$
rule.addParameter( param );
ruleSet.addRule( rule );
return ruleSet;
}
public void testBuildRuleBaseBadFormedXML() throws Exception
{
Rule rule = new Rule( "rule",
new Integer(1) );
rule.setComment( "a comment" );
Condition cond = new Condition( );
cond.setSnippet( "<badformedxml>" );
rule.addCondition( cond );
Ruleset ruleset = new Ruleset( "xyz" );
ruleset.addRule( rule );
try
{
RuleSetLoader ruleSetLoader = new RuleSetLoader();
ruleSetLoader.addFromReader(new StringReader( ruleset.toXML( ) ) );
RuleBaseLoader ruleBaseLoader = new RuleBaseLoader();
ruleBaseLoader.addFromRuleSetLoader(ruleSetLoader);
ruleBaseLoader.buildRuleBase();
fail( );
}
catch ( IntegrationException e )
{
System.out.println( e.getMessage( ) );
}
}
public void testBuildRuleBaseBadSnippet()
{
Rule rule = new Rule( "rule", new Integer(1) ); //$NON-NLS-1$
rule.setComment( "a comment" ); //$NON-NLS-1$
Condition cond = new Condition( );
// TODO: find out why run out of memory when use the // comment notation
cond.setSnippet( "this.is.not.java /*this.is.not.java*/" ); //$NON-NLS-1$
rule.addCondition( cond );
Ruleset ruleset = new Ruleset( "xyz" ); //$NON-NLS-1$
ruleset.addRule( rule );
try
{
RuleSetLoader ruleSetLoader = new RuleSetLoader();
ruleSetLoader.addFromReader(new StringReader( ruleset.toXML( ) ) );
RuleBaseLoader ruleBaseLoader = new RuleBaseLoader();
ruleBaseLoader.addFromRuleSetLoader(ruleSetLoader);
RuleBase ruleBase = ruleBaseLoader.buildRuleBase();
fail( );
}
catch ( Exception e )
{
System.out.println( e.toString( ) );
}
}
}