/**
* 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.incoherence;
import java.io.StringReader;
import java.util.Collection;
import java.util.HashSet;
import java.util.Iterator;
import java.util.Set;
import org.drools.StatelessSession;
import org.drools.base.RuleNameMatchesAgendaFilter;
import org.drools.builder.ResourceType;
import org.drools.io.ResourceFactory;
import org.drools.verifier.DefaultVerifierConfiguration;
import org.drools.verifier.TestBase;
import org.junit.After;
import org.junit.Before;
import org.junit.Test;
import static org.junit.Assert.*;
import org.drools.verifier.Verifier;
import org.drools.verifier.builder.ScopesAgendaFilter;
import org.drools.verifier.builder.VerifierBuilder;
import org.drools.verifier.builder.VerifierBuilderFactory;
import org.drools.verifier.components.Pattern;
import org.drools.verifier.data.VerifierReport;
import org.drools.verifier.data.VerifierReportFactory;
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 IncoherentRestrictionsTest extends TestBase {
@Test
public void testApprovedTrueAndNotTrue() {
VerifierBuilder vBuilder = VerifierBuilderFactory.newVerifierBuilder();
// Check that the builder works.
assertFalse( vBuilder.hasErrors() );
assertEquals( 0,
vBuilder.getErrors().size() );
String str = "";
str += "package mortgages\n";
str += "rule \"Bankruptcy history\"\n";
str += "salience 10\n";
str += "dialect \"mvel\"\n";
str += "when\n";
str += "Applicant( approved == \"true\" , approved != \"true\" )\n";
str += "then\n";
str += "end";
DefaultVerifierConfiguration conf = new DefaultVerifierConfiguration();
Verifier verifier = VerifierBuilderFactory.newVerifierBuilder().newVerifier( conf );
verifier.addResourcesToVerify( ResourceFactory.newReaderResource( new StringReader( str ) ),
ResourceType.DRL );
assertFalse( verifier.hasErrors() );
assertEquals( 0,
verifier.getErrors().size() );
boolean works = verifier.fireAnalysis( new ScopesAgendaFilter( true,
ScopesAgendaFilter.VERIFYING_SCOPE_KNOWLEDGE_PACKAGE ) );
assertTrue( works );
VerifierReport result = verifier.getResult();
assertNotNull( result );
assertEquals( 3,
result.getBySeverity( Severity.ERROR ).size() );
assertEquals( 1,
result.getBySeverity( Severity.WARNING ).size() );
assertEquals( 0,
result.getBySeverity( Severity.NOTE ).size() );
}
@Test
public void testIncoherentLiteralRestrictionsInSubPattern() throws Exception {
StatelessSession session = getStatelessSession( getClass().getResourceAsStream( "Restrictions.drl" ) );
session.setAgendaFilter( new RuleNameMatchesAgendaFilter( "Incoherent LiteralRestrictions in pattern possibility" ) );
VerifierReport result = VerifierReportFactory.newVerifierReport();
Collection< ? extends Object> testData = getTestData( getClass().getResourceAsStream( "RestrictionsTest.drl" ),
result.getVerifierData() );
session.setGlobal( "result",
result );
session.executeWithResults( testData );
Iterator<VerifierMessageBase> iter = result.getBySeverity( Severity.ERROR ).iterator();
Set<String> rulesThatHadErrors = new HashSet<String>();
while ( iter.hasNext() ) {
Object o = (Object) iter.next();
if ( o instanceof VerifierMessage ) {
Pattern pattern = (Pattern) ((VerifierMessage) o).getFaulty();
rulesThatHadErrors.add( pattern.getRuleName() );
}
}
assertTrue( rulesThatHadErrors.remove( "Incoherent restrictions 1" ) );
assertTrue( rulesThatHadErrors.remove( "Incoherent restrictions 2" ) );
if ( !rulesThatHadErrors.isEmpty() ) {
for ( String string : rulesThatHadErrors ) {
fail( "Rule " + string + " caused an error." );
}
}
}
@Test
public void testIncoherentLiteralRestrictionsInSubPatternImpossibleRanges() throws Exception {
StatelessSession session = getStatelessSession( this.getClass().getResourceAsStream( "Restrictions.drl" ) );
session.setAgendaFilter( new RuleNameMatchesAgendaFilter( "Incoherent LiteralRestrictions with ranges in pattern possibility, impossible ranges" ) );
VerifierReport result = VerifierReportFactory.newVerifierReport();
Collection< ? extends Object> testData = getTestData( this.getClass().getResourceAsStream( "RestrictionsTest.drl" ),
result.getVerifierData() );
session.setGlobal( "result",
result );
session.executeWithResults( testData );
Iterator<VerifierMessageBase> iter = result.getBySeverity( Severity.ERROR ).iterator();
Set<String> rulesThatHadErrors = new HashSet<String>();
while ( iter.hasNext() ) {
Object o = (Object) iter.next();
if ( o instanceof VerifierMessage ) {
Pattern pattern = (Pattern) ((VerifierMessage) o).getFaulty();
rulesThatHadErrors.add( pattern.getRuleName() );
}
}
assertTrue( rulesThatHadErrors.remove( "Incoherent restrictions 8" ) );
if ( !rulesThatHadErrors.isEmpty() ) {
for ( String string : rulesThatHadErrors ) {
fail( "Rule " + string + " caused an error." );
}
}
}
@Test
public void testIncoherentLiteralRestrictionsInSubPatternImpossibleEqualityLess() throws Exception {
StatelessSession session = getStatelessSession( this.getClass().getResourceAsStream( "Restrictions.drl" ) );
session.setAgendaFilter( new RuleNameMatchesAgendaFilter( "Incoherent LiteralRestrictions with ranges in pattern possibility, impossible equality less or equal" ) );
VerifierReport result = VerifierReportFactory.newVerifierReport();
Collection< ? extends Object> testData = getTestData( this.getClass().getResourceAsStream( "RestrictionsTest.drl" ),
result.getVerifierData() );
session.setGlobal( "result",
result );
session.executeWithResults( testData );
Iterator<VerifierMessageBase> iter = result.getBySeverity( Severity.ERROR ).iterator();
Set<String> rulesThatHadErrors = new HashSet<String>();
while ( iter.hasNext() ) {
Object o = (Object) iter.next();
if ( o instanceof VerifierMessage ) {
Pattern pattern = (Pattern) ((VerifierMessage) o).getFaulty();
rulesThatHadErrors.add( pattern.getRuleName() );
}
}
assertTrue( rulesThatHadErrors.remove( "Incoherent restrictions 9" ) );
assertTrue( rulesThatHadErrors.remove( "Incoherent restrictions 11" ) );
if ( !rulesThatHadErrors.isEmpty() ) {
for ( String string : rulesThatHadErrors ) {
fail( "Rule " + string + " caused an error." );
}
}
}
@Test
public void testIncoherentLiteralRestrictionsInSubPatternImpossibleEqualityGreater() throws Exception {
StatelessSession session = getStatelessSession( this.getClass().getResourceAsStream( "Restrictions.drl" ) );
session.setAgendaFilter( new RuleNameMatchesAgendaFilter( "Incoherent LiteralRestrictions with ranges in pattern possibility, impossible equality greater" ) );
VerifierReport result = VerifierReportFactory.newVerifierReport();
Collection< ? extends Object> testData = getTestData( this.getClass().getResourceAsStream( "RestrictionsTest.drl" ),
result.getVerifierData() );
session.setGlobal( "result",
result );
session.executeWithResults( testData );
Iterator<VerifierMessageBase> iter = result.getBySeverity( Severity.ERROR ).iterator();
Set<String> rulesThatHadErrors = new HashSet<String>();
while ( iter.hasNext() ) {
Object o = (Object) iter.next();
if ( o instanceof VerifierMessage ) {
Pattern pattern = (Pattern) ((VerifierMessage) o).getFaulty();
rulesThatHadErrors.add( pattern.getRuleName() );
}
}
assertTrue( rulesThatHadErrors.remove( "Incoherent restrictions 10" ) );
if ( !rulesThatHadErrors.isEmpty() ) {
for ( String string : rulesThatHadErrors ) {
fail( "Rule " + string + " caused an error." );
}
}
}
@Test
public void testIncoherentLiteralRestrictionsInSubPatternImpossibleRange() throws Exception {
StatelessSession session = getStatelessSession( this.getClass().getResourceAsStream( "Restrictions.drl" ) );
session.setAgendaFilter( new RuleNameMatchesAgendaFilter( "Incoherent LiteralRestrictions with ranges in pattern possibility, impossible range" ) );
VerifierReport result = VerifierReportFactory.newVerifierReport();
Collection< ? extends Object> testData = getTestData( this.getClass().getResourceAsStream( "RestrictionsTest.drl" ),
result.getVerifierData() );
session.setGlobal( "result",
result );
session.executeWithResults( testData );
Iterator<VerifierMessageBase> iter = result.getBySeverity( Severity.ERROR ).iterator();
Set<String> rulesThatHadErrors = new HashSet<String>();
while ( iter.hasNext() ) {
Object o = (Object) iter.next();
if ( o instanceof VerifierMessage ) {
Pattern pattern = (Pattern) ((VerifierMessage) o).getFaulty();
rulesThatHadErrors.add( pattern.getRuleName() );
}
}
assertTrue( rulesThatHadErrors.remove( "Incoherent restrictions 7" ) );
if ( !rulesThatHadErrors.isEmpty() ) {
for ( String string : rulesThatHadErrors ) {
fail( "Rule " + string + " caused an error." );
}
}
}
@Test
public void testIncoherentVariableRestrictionsInSubPattern() throws Exception {
StatelessSession session = getStatelessSession( this.getClass().getResourceAsStream( "Restrictions.drl" ) );
session.setAgendaFilter( new RuleNameMatchesAgendaFilter( "Incoherent VariableRestrictions in pattern possibility" ) );
VerifierReport result = VerifierReportFactory.newVerifierReport();
Collection< ? extends Object> testData = getTestData( this.getClass().getResourceAsStream( "RestrictionsTest.drl" ),
result.getVerifierData() );
session.setGlobal( "result",
result );
session.executeWithResults( testData );
Iterator<VerifierMessageBase> iter = result.getBySeverity( Severity.ERROR ).iterator();
Set<String> rulesThatHadErrors = new HashSet<String>();
while ( iter.hasNext() ) {
Object o = (Object) iter.next();
if ( o instanceof VerifierMessage ) {
Pattern pattern = (Pattern) ((VerifierMessage) o).getFaulty();
rulesThatHadErrors.add( pattern.getRuleName() );
}
}
assertTrue( rulesThatHadErrors.remove( "Incoherent restrictions 3" ) );
assertTrue( rulesThatHadErrors.remove( "Incoherent restrictions 4" ) );
assertTrue( rulesThatHadErrors.remove( "Incoherent restrictions 5" ) );
if ( !rulesThatHadErrors.isEmpty() ) {
for ( String string : rulesThatHadErrors ) {
fail( "Rule " + string + " caused an error." );
}
}
}
@Test
public void testIncoherentVariableRestrictionsInSubPatternImpossibleRange() throws Exception {
StatelessSession session = getStatelessSession( this.getClass().getResourceAsStream( "Restrictions.drl" ) );
session.setAgendaFilter( new RuleNameMatchesAgendaFilter( "Incoherent VariableRestrictions in pattern possibility, impossible range" ) );
VerifierReport result = VerifierReportFactory.newVerifierReport();
Collection< ? extends Object> testData = getTestData( this.getClass().getResourceAsStream( "RestrictionsTest.drl" ),
result.getVerifierData() );
session.setGlobal( "result",
result );
session.executeWithResults( testData );
Iterator<VerifierMessageBase> iter = result.getBySeverity( Severity.ERROR ).iterator();
Set<String> rulesThatHadErrors = new HashSet<String>();
while ( iter.hasNext() ) {
Object o = (Object) iter.next();
if ( o instanceof VerifierMessage ) {
Pattern pattern = (Pattern) ((VerifierMessage) o).getFaulty();
rulesThatHadErrors.add( pattern.getRuleName() );
}
}
assertTrue( rulesThatHadErrors.remove( "Incoherent restrictions 6" ) );
if ( !rulesThatHadErrors.isEmpty() ) {
for ( String string : rulesThatHadErrors ) {
fail( "Rule " + string + " caused an error." );
}
}
}
}