/** * Copyright 2010 JBoss Inc * * Licensed under the Apache License, Version 2.0 (the "License"); * you may not use this file except in compliance with the License. * You may obtain a copy of the License at * * http://www.apache.org/licenses/LICENSE-2.0 * * Unless required by applicable law or agreed to in writing, software * distributed under the License is distributed on an "AS IS" BASIS, * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. * See the License for the specific language governing permissions and * limitations under the License. */ package org.drools.verifier.alwaysTrue; import java.util.ArrayList; import java.util.Collection; import java.util.Iterator; import org.drools.StatelessSession; import org.drools.StatelessSessionResult; import org.drools.base.RuleNameMatchesAgendaFilter; import org.drools.verifier.TestBase; import org.drools.verifier.VerifierComponentMockFactory; import org.drools.verifier.components.LiteralRestriction; import org.drools.verifier.components.Pattern; import org.drools.verifier.components.SubPattern; import org.drools.verifier.components.Restriction; import org.drools.verifier.components.VariableRestriction; import org.drools.verifier.components.VerifierRule; import org.drools.verifier.data.VerifierReport; import org.drools.verifier.data.VerifierReportFactory; import org.drools.verifier.report.components.AlwaysTrue; import org.drools.verifier.report.components.Opposites; import org.drools.verifier.report.components.Severity; import org.drools.verifier.report.components.VerifierMessage; import org.drools.verifier.report.components.VerifierMessageBase; /** * * @author Toni Rikkola * */ public class AlwaysTruePatternTest extends TestBase { public void testDummy() throws Exception { assertTrue( true ); } public void FIXMEtestPatternPossibilities() throws Exception { StatelessSession session = getStatelessSession( this.getClass().getResourceAsStream( "Patterns.drl" ) ); session.setAgendaFilter( new RuleNameMatchesAgendaFilter( "Pattern possibility that is always true" ) ); VerifierReport result = VerifierReportFactory.newVerifierReport(); Collection<Object> data = new ArrayList<Object>(); session.setGlobal( "result", result ); // This pattern is always true. Pattern pattern1 = VerifierComponentMockFactory.createPattern1(); Restriction r1 = LiteralRestriction.createRestriction( pattern1, "" ); Restriction r2 = LiteralRestriction.createRestriction( pattern1, "" ); Opposites o1 = new Opposites( r1, r2 ); SubPattern pp1 = new SubPattern( pattern1, 0 ); pp1.add( r1 ); pp1.add( r2 ); Restriction r3 = new VariableRestriction( pattern1 ); Restriction r4 = new VariableRestriction( pattern1 ); Opposites o2 = new Opposites( r1, r2 ); SubPattern pp2 = new SubPattern( pattern1, 1 ); pp2.add( r1 ); pp2.add( r2 ); // This pattern is okay. Pattern pattern2 = VerifierComponentMockFactory.createPattern2(); Restriction r5 = LiteralRestriction.createRestriction( pattern2, "" ); Restriction r6 = LiteralRestriction.createRestriction( pattern2, "" ); SubPattern pp3 = new SubPattern( pattern2, 0 ); pp3.add( r5 ); pp3.add( r6 ); Restriction r7 = new VariableRestriction( pattern2 ); Restriction r8 = new VariableRestriction( pattern2 ); Opposites o4 = new Opposites( r7, r8 ); SubPattern pp4 = new SubPattern( pattern2, 1 ); pp4.add( r7 ); pp4.add( r8 ); data.add( pattern1 ); data.add( r1 ); data.add( r2 ); data.add( r3 ); data.add( r4 ); data.add( o1 ); data.add( o2 ); data.add( pp1 ); data.add( pp2 ); data.add( pattern2 ); data.add( r5 ); data.add( r6 ); data.add( r7 ); data.add( r8 ); data.add( o4 ); data.add( pp3 ); data.add( pp4 ); StatelessSessionResult sessionResult = session.executeWithResults( data ); Iterator iter = sessionResult.iterateObjects(); boolean pp1true = false; boolean pp2true = false; boolean pp3true = false; boolean pp4true = false; while ( iter.hasNext() ) { Object o = (Object) iter.next(); if ( o instanceof AlwaysTrue ) { AlwaysTrue alwaysTrue = (AlwaysTrue) o; if ( !pp1true ) { pp1true = alwaysTrue.getCause().equals( pp1 ); } if ( !pp2true ) { pp2true = alwaysTrue.getCause().equals( pp2 ); } if ( !pp3true ) { pp3true = alwaysTrue.getCause().equals( pp3 ); } if ( !pp4true ) { pp4true = alwaysTrue.getCause().equals( pp4 ); } } } assertTrue( pp1true ); assertTrue( pp2true ); assertFalse( pp3true ); assertTrue( pp4true ); } public void FIXMEtestPatterns() throws Exception { StatelessSession session = getStatelessSession( this.getClass().getResourceAsStream( "Patterns.drl" ) ); session.setAgendaFilter( new RuleNameMatchesAgendaFilter( "Pattern that is always true" ) ); VerifierReport result = VerifierReportFactory.newVerifierReport(); Collection<Object> data = new ArrayList<Object>(); session.setGlobal( "result", result ); VerifierRule rule1 = VerifierComponentMockFactory.createRule1(); // This pattern is always true. Pattern pattern1 = VerifierComponentMockFactory.createPattern1(); SubPattern pp1 = new SubPattern( pattern1, 0 ); AlwaysTrue alwaysTrue1 = new AlwaysTrue( pp1 ); SubPattern pp2 = new SubPattern( pattern1, 1 ); AlwaysTrue alwaysTrue2 = new AlwaysTrue( pp2 ); // This pattern is okay. Pattern pattern2 = new Pattern( rule1 ); pattern2.setName( "testPattern2" ); SubPattern pp3 = new SubPattern( pattern2, 0 ); SubPattern pp4 = new SubPattern( pattern2, 1 ); AlwaysTrue alwaysTrue4 = new AlwaysTrue( pp4 ); data.add( rule1 ); data.add( pattern1 ); data.add( pp1 ); data.add( pp2 ); data.add( alwaysTrue1 ); data.add( alwaysTrue2 ); data.add( pattern2 ); data.add( pp3 ); data.add( pp4 ); data.add( alwaysTrue4 ); session.executeWithResults( data ); Iterator<VerifierMessageBase> iter = result.getBySeverity( Severity.NOTE ).iterator(); boolean works = false; while ( iter.hasNext() ) { Object o = (Object) iter.next(); if ( o instanceof VerifierMessage ) { VerifierMessage message = (VerifierMessage) o; if ( message.getFaulty().equals( pattern1 ) ) { works = true; } else { fail( "There can be only one. (And this is not the one)" ); } } } assertEquals( 0, result.getBySeverity( Severity.ERROR ).size() ); assertEquals( 0, result.getBySeverity( Severity.WARNING ).size() ); assertEquals( 1, result.getBySeverity( Severity.NOTE ).size() ); assertTrue( works ); } }