/*
* Copyright 2017 Red Hat, Inc. and/or its affiliates.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
*
* 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.jbpm.process.workitem.bpmn2;
import static org.junit.Assert.assertEquals;
import static org.junit.Assert.assertNotNull;
import java.io.File;
import java.math.BigDecimal;
import java.nio.file.Files;
import java.util.Map;
import java.util.UUID;
import java.util.concurrent.CountDownLatch;
import java.util.concurrent.TimeUnit;
import org.apache.commons.io.IOUtils;
import org.drools.compiler.kie.builder.impl.InternalKieModule;
import org.drools.core.process.instance.impl.WorkItemImpl;
import org.jbpm.process.workitem.bpmn2.objects.Person;
import org.jbpm.test.util.TestWorkItemManager;
import org.junit.Before;
import org.junit.Ignore;
import org.junit.Test;
import org.kie.api.KieServices;
import org.kie.api.builder.KieBuilder;
import org.kie.api.builder.KieFileSystem;
import org.kie.api.builder.Message;
import org.kie.api.builder.ReleaseId;
import org.kie.api.builder.Results;
import org.kie.api.event.kiebase.AfterRuleAddedEvent;
import org.kie.api.event.kiebase.DefaultKieBaseEventListener;
import org.kie.api.io.Resource;
import org.kie.internal.builder.InternalKieBuilder;
import org.kie.scanner.MavenRepository;
public class BusinessRuleTaskHandlerTest {
private static final String GROUP_ID = "org.jbpm";
private static final String ARTIFACT_ID = "test-kjar";
private static final String VERSION = "1.0-SNAPSHOT";
private KieServices ks = KieServices.Factory.get();
@Before
public void setup() throws Exception {
createAndDeployJar(ks,
ks.newReleaseId(GROUP_ID, ARTIFACT_ID, VERSION),
ks.getResources().newClassPathResource("businessRule.drl"),
ks.getResources().newClassPathResource("0020-vacation-days.dmn"));
}
@Test
public void testDrlStatefulBusinessRuleTaskNoScanner() {
TestWorkItemManager manager = new TestWorkItemManager();
BusinessRuleTaskHandler handler = new BusinessRuleTaskHandler(GROUP_ID, ARTIFACT_ID, VERSION);
WorkItemImpl workItem = new WorkItemImpl();
workItem.setId(999);
Person person = new Person("john");
workItem.setParameter("person", person);
workItem.setParameter("KieSessionType", BusinessRuleTaskHandler.STATEFULL_TYPE);
handler.executeWorkItem(workItem, manager);
Map<String, Object> results = manager.getResults(workItem.getId());
assertNotNull(results);
assertEquals(1, results.size());
assertEquals(35, ((Person)results.get("person")).getAge().intValue());
}
@Test
public void testDrlStatelessBusinessRuleTaskNoScanner() {
TestWorkItemManager manager = new TestWorkItemManager();
BusinessRuleTaskHandler handler = new BusinessRuleTaskHandler(GROUP_ID, ARTIFACT_ID, VERSION);
WorkItemImpl workItem = new WorkItemImpl();
workItem.setId(999);
Person person = new Person("john");
workItem.setParameter("person", person);
handler.executeWorkItem(workItem, manager);
Map<String, Object> results = manager.getResults(workItem.getId());
assertNotNull(results);
assertEquals(1, results.size());
assertEquals(35, ((Person)results.get("person")).getAge().intValue());
}
@Test
public void testDmnBusinessRuleTaskNoScanner() {
TestWorkItemManager manager = new TestWorkItemManager();
BusinessRuleTaskHandler handler = new BusinessRuleTaskHandler(GROUP_ID, ARTIFACT_ID, VERSION);
WorkItemImpl workItem = new WorkItemImpl();
workItem.setId(999);
workItem.setParameter("Language", BusinessRuleTaskHandler.DMN_LANG);
workItem.setParameter("Namespace", "https://www.drools.org/kie-dmn");
workItem.setParameter("Model", "0020-vacation-days");
workItem.setParameter("Age", 16);
workItem.setParameter("Years of Service", 1);
handler.executeWorkItem(workItem, manager);
Map<String, Object> results = manager.getResults(workItem.getId());
assertNotNull(results);
assertEquals(7, results.size());
assertEquals(27, ((BigDecimal)results.get("Total Vacation Days")).intValue());
}
@Ignore("ignored as it is unstable on jenkins for unknown reason")
@Test
public void testDrlStatefulBusinessRuleTaskWithScanner() throws Exception {
TestWorkItemManager manager = new TestWorkItemManager();
BusinessRuleTaskHandler handler = new BusinessRuleTaskHandler(GROUP_ID, ARTIFACT_ID, VERSION, 2000);
WorkItemImpl workItem = new WorkItemImpl();
workItem.setId(999);
Person person = new Person("john");
workItem.setParameter("person", person);
workItem.setParameter("KieSessionType", BusinessRuleTaskHandler.STATEFULL_TYPE);
handler.executeWorkItem(workItem, manager);
Map<String, Object> results = manager.getResults(workItem.getId());
assertNotNull(results);
assertEquals(1, results.size());
assertEquals(35, ((Person)results.get("person")).getAge().intValue());
// build and deploy new version
createAndDeployJar(ks,
ks.newReleaseId(GROUP_ID, ARTIFACT_ID, VERSION),
ks.getResources().newClassPathResource("businessRule2.drl"));
// setup waiting mechanism to wait for scanner update
CountDownLatch latch = new CountDownLatch(1);
handler.getKieContainer().getKieBase().addEventListener(new DefaultKieBaseEventListener(){
@Override
public void afterRuleAdded(AfterRuleAddedEvent event) {
latch.countDown();
}
});
latch.await(10, TimeUnit.SECONDS);
person = new Person("john");
workItem.setParameter("person", person);
workItem.setParameter("KieSessionType", BusinessRuleTaskHandler.STATEFULL_TYPE);
handler.executeWorkItem(workItem, manager);
results = manager.getResults(workItem.getId());
assertNotNull(results);
assertEquals(1, results.size());
assertEquals(45, ((Person)results.get("person")).getAge().intValue());
}
/*
* Helper methods
*/
protected byte[] createAndDeployJar(KieServices ks, ReleaseId releaseId, Resource... resources) throws Exception {
KieFileSystem kfs = ks.newKieFileSystem().generateAndWritePomXML(releaseId);
for (int i = 0; i < resources.length; i++) {
if (resources[i] != null) {
kfs.write(resources[i]);
}
}
KieBuilder kieBuilder = ks.newKieBuilder(kfs);
((InternalKieBuilder) kieBuilder).buildAll(o -> true);
Results results = kieBuilder.getResults();
if (results.hasMessages(Message.Level.ERROR)) {
throw new IllegalStateException(results.getMessages(Message.Level.ERROR).toString());
}
InternalKieModule kieModule = (InternalKieModule) ks.getRepository().getKieModule(releaseId);
byte[] pomXmlContent = IOUtils.toByteArray(kieModule.getPomAsStream());
File pom = new File("target", UUID.randomUUID().toString());
Files.write(pom.toPath(), pomXmlContent);
MavenRepository.getMavenRepository().installArtifact(releaseId, kieModule, pom);
byte[] jar = kieModule.getBytes();
return jar;
}
}