/**
* 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.factconstraints.server.predefined;
import java.util.Collection;
import org.drools.builder.ResourceType;
import org.drools.factconstraints.client.ConstraintConfiguration;
import org.drools.factconstraints.client.config.SimpleConstraintConfigurationImpl;
import org.drools.factconstraints.server.Constraint;
import org.drools.io.ResourceFactory;
import org.drools.verifier.Verifier;
import org.drools.verifier.VerifierConfiguration;
import org.drools.verifier.VerifierConfigurationImpl;
import org.drools.verifier.VerifierError;
import org.drools.verifier.builder.VerifierBuilder;
import org.drools.verifier.builder.VerifierBuilderFactory;
import org.drools.verifier.data.VerifierReport;
import org.drools.verifier.report.components.Severity;
import org.drools.verifier.report.components.VerifierMessageBase;
import org.junit.After;
import org.junit.Assert;
import org.junit.Before;
import org.junit.Test;
/**
*
* @author esteban.aliverti@gmail.com
*/
public class RangeConstraintMultipleOperatorsTest {
private Verifier verifier;
private Constraint cons;
private ConstraintConfiguration conf;
@Before
public void setup() {
cons = new RangeConstraint();
conf = new SimpleConstraintConfigurationImpl();
conf.setFactType("Person");
conf.setFieldName("age");
conf.setArgumentValue(RangeConstraint.RANGE_CONSTRAINT_MIN, "0");
conf.setArgumentValue(RangeConstraint.RANGE_CONSTRAINT_MAX, "120");
System.out.println("Validation Rule:\n" + cons.getVerifierRule(conf) + "\n\n");
}
@After
public void dispose() {
if (verifier != null) {
verifier.dispose();
}
}
@Test
public void test1() {
String rulesToVerify = "";
int fail = 0;
int warn = 0;
//OK
rulesToVerify += "package org.drools.factconstraint.test\n\n";
rulesToVerify += "import org.drools.factconstraint.model.*\n";
rulesToVerify += "rule \"rule1\"\n";
rulesToVerify += " when\n";
rulesToVerify += " Person(age > 1, age < 100)\n";
rulesToVerify += " then\n";
rulesToVerify += " System.out.println(\"Rule fired\");\n";
rulesToVerify += "end\n\n";
//FAIL
rulesToVerify += "rule \"rule2\"\n";
rulesToVerify += " when\n";
rulesToVerify += " Person(age > -1, age < 60)\n";
rulesToVerify += " then\n";
rulesToVerify += " System.out.println(\"Rule fired\");\n";
rulesToVerify += "end\n\n";
warn++;
//FAIL
rulesToVerify += "rule \"rule3\"\n";
rulesToVerify += " when\n";
rulesToVerify += " Person(age > -1, age < 150)\n";
rulesToVerify += " then\n";
rulesToVerify += " System.out.println(\"Rule fired\");\n";
rulesToVerify += "end\n\n";
warn++;
//FAIL-Impossible
rulesToVerify += "rule \"rule4\"\n";
rulesToVerify += " when\n";
rulesToVerify += " Person(age > 150, age < -1)\n";
rulesToVerify += " then\n";
rulesToVerify += " System.out.println(\"Rule fired\");\n";
rulesToVerify += "end\n\n";
fail++;
//FAIL
rulesToVerify += "rule \"rule5\"\n";
rulesToVerify += " when\n";
rulesToVerify += " Person(age > -10, age < -1)\n";
rulesToVerify += " then\n";
rulesToVerify += " System.out.println(\"Rule fired\");\n";
rulesToVerify += "end\n\n";
warn++;
//FAIL
rulesToVerify += "rule \"rule6\"\n";
rulesToVerify += " when\n";
rulesToVerify += " Person(age > 18, age < 150)\n";
rulesToVerify += " then\n";
rulesToVerify += " System.out.println(\"Rule fired\");\n";
rulesToVerify += "end\n\n";
warn++;
//FAIL-Impossible
rulesToVerify += "rule \"rule7\"\n";
rulesToVerify += " when\n";
rulesToVerify += " Person(age > 18, age < -1)\n";
rulesToVerify += " then\n";
rulesToVerify += " System.out.println(\"Rule fired\");\n";
rulesToVerify += "end\n\n";
fail++;
//FAIL
rulesToVerify += "rule \"rule8\"\n";
rulesToVerify += " when\n";
rulesToVerify += " Person(age > 130, age < 150)\n";
rulesToVerify += " then\n";
rulesToVerify += " System.out.println(\"Rule fired\");\n";
rulesToVerify += "end\n\n";
warn++;
//FAIL-Impossible
rulesToVerify += "rule \"rule9\"\n";
rulesToVerify += " when\n";
rulesToVerify += " Person(age > 130, age < 18)\n";
rulesToVerify += " then\n";
rulesToVerify += " System.out.println(\"Rule fired\");\n";
rulesToVerify += "end\n\n";
fail++;
VerifierReport result = this.verify(rulesToVerify);
Collection<VerifierMessageBase> errors = result.getBySeverity(Severity.ERROR);
Collection<VerifierMessageBase> warnings = result.getBySeverity(Severity.WARNING);
System.out.println(warnings);
System.out.println(errors);
Assert.assertEquals(warn, warnings.size());
Assert.assertEquals(fail, errors.size());
}
@Test
public void test2() {
String rulesToVerify = "";
int fail = 0;
int warn = 0;
//OK (RangeConstraint is inclussive)
rulesToVerify += "package org.drools.factconstraint.test\n\n";
rulesToVerify += "import org.drools.factconstraint.model.*\n";
rulesToVerify += "rule \"rule1\"\n";
rulesToVerify += " when\n";
rulesToVerify += " Person(age >= 0, age <= 120)\n";
rulesToVerify += " then\n";
rulesToVerify += " System.out.println(\"Rule fired\");\n";
rulesToVerify += "end\n\n";
//FAIL
rulesToVerify += "rule \"rule2\"\n";
rulesToVerify += " when\n";
rulesToVerify += " Person(age >= 0, age <= 121)\n";
rulesToVerify += " then\n";
rulesToVerify += " System.out.println(\"Rule fired\");\n";
rulesToVerify += "end\n\n";
warn++;
//FAIL
rulesToVerify += "rule \"rule3\"\n";
rulesToVerify += " when\n";
rulesToVerify += " Person(age >= 0, age <= 121.1)\n";
rulesToVerify += " then\n";
rulesToVerify += " System.out.println(\"Rule fired\");\n";
rulesToVerify += "end\n\n";
warn++;
VerifierReport result = this.verify(rulesToVerify);
Collection<VerifierMessageBase> errors = result.getBySeverity(Severity.ERROR);
Collection<VerifierMessageBase> warnings = result.getBySeverity(Severity.WARNING);
System.out.println(warnings);
System.out.println(errors);
Assert.assertEquals(warn, warnings.size());
Assert.assertEquals(fail, errors.size());
}
private VerifierReport verify(String rulesToVerify) {
VerifierBuilder vBuilder = VerifierBuilderFactory.newVerifierBuilder();
//VerifierConfiguration conf = new DefaultVerifierConfiguration();
VerifierConfiguration conf = new VerifierConfigurationImpl();
//conf.getVerifyingResources().put(ResourceFactory.newClassPathResource("RangeConstraintMultiOperator.drl"), ResourceType.DRL);
conf.getVerifyingResources().put(ResourceFactory.newByteArrayResource(cons.getVerifierRule(this.conf).getBytes()), ResourceType.DRL);
verifier = vBuilder.newVerifier(conf);
verifier.addResourcesToVerify(ResourceFactory.newByteArrayResource(rulesToVerify.getBytes()),
ResourceType.DRL);
if (verifier.hasErrors()) {
for (VerifierError error : verifier.getErrors()) {
System.out.println(error.getMessage());
}
throw new RuntimeException("Error building verifier");
}
Assert.assertFalse(verifier.hasErrors());
boolean noProblems = verifier.fireAnalysis();
Assert.assertTrue(noProblems);
return verifier.getResult();
}
}