/* 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.activiti.camel;
import java.util.HashMap;
import java.util.Map;
import org.activiti.camel.util.Routing;
import org.activiti.engine.runtime.Job;
import org.activiti.engine.runtime.ProcessInstance;
import org.activiti.engine.test.Deployment;
import org.activiti.spring.impl.test.SpringActivitiTestCase;
import org.springframework.test.context.ContextConfiguration;
/**
* Demonstrates an issue in Activiti 5.12. Exception on Camel routes will be lost,
* if default error handling is used.
*
* @author stefan.schulze@accelsis.biz
*
*/
@ContextConfiguration("classpath:error-camel-activiti-context.xml")
public class ErrorHandlingTest extends SpringActivitiTestCase {
private static final int WAIT = 3000;
private static final String PREVIOUS_WAIT_STATE = "LogProcessStart";
private static final String NEXT_WAIT_STATE = "ReceiveResult";
/**
* Process instance should be removed after completion. Works as intended,
* if no exception interrupts the Camel route.
*
* @throws Exception
*/
@Deployment(resources = {"process/errorHandling.bpmn20.xml"})
public void testCamelRouteWorksAsIntended() throws Exception {
Map<String, Object> variables = new HashMap<String, Object>();
variables.put("routing", Routing.DEFAULT);
ProcessInstance processInstance = runtimeService.startProcessInstanceByKey(
"ErrorHandling", variables);
Job job = managementService.createJobQuery().processInstanceId(processInstance.getId()).singleResult();
assertNotNull(job);
managementService.executeJob(job.getId());
Thread.sleep(WAIT);
assertEquals("Process instance not completed", 0, runtimeService.createProcessInstanceQuery()
.processInstanceId(processInstance.getId())
.count());
}
/**
* Expected behavior, with default error handling in Camel:
* Roll-back to previous wait state. Fails with Activiti 5.12.
*
* @throws Exception
*/
@Deployment(resources = {"process/errorHandling.bpmn20.xml"})
public void testRollbackOnException() throws Exception {
Map<String, Object> variables = new HashMap<String, Object>();
variables.put("routing", Routing.PROVOKE_ERROR);
ProcessInstance processInstance = runtimeService.startProcessInstanceByKey(
"ErrorHandling", variables);
assertEquals("No roll-back to previous wait state", 1, runtimeService.createExecutionQuery()
.processInstanceId(processInstance.getId())
.activityId(PREVIOUS_WAIT_STATE)
.count());
assertEquals("Process instance advanced to next wait state", 0, runtimeService.createExecutionQuery()
.processInstanceId(processInstance.getId())
.activityId(NEXT_WAIT_STATE)
.count());
}
/**
* Exception caught and processed by Camel dead letter queue handler.
* Process instance proceeds to ReceiveTask as expected.
*
* @throws Exception
*/
@Deployment(resources = {"process/errorHandling.bpmn20.xml"})
public void testErrorHandledByCamel() throws Exception {
Map<String, Object> variables = new HashMap<String, Object>();
variables.put("routing", Routing.HANDLE_ERROR);
ProcessInstance processInstance = runtimeService.startProcessInstanceByKey(
"ErrorHandling", variables);
Job job = managementService.createJobQuery().processInstanceId(processInstance.getId()).singleResult();
assertNotNull(job);
managementService.executeJob(job.getId());
Thread.sleep(WAIT);
assertEquals("Process instance did not reach next wait state", 1, runtimeService.createExecutionQuery()
.processInstanceId(processInstance.getId())
.activityId(NEXT_WAIT_STATE)
.count());
}
}