ActivitiRuleJunit4Test.java

/* 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.standalone.testing;

import static org.junit.Assert.assertEquals;

import org.activiti.engine.RuntimeService;
import org.activiti.engine.TaskService;
import org.activiti.engine.task.Task;
import org.activiti.engine.test.ActivitiRule;
import org.activiti.engine.test.Deployment;
import org.junit.Rule;
import org.junit.Test;


/**
 * Test runners follow the this rule:
 *   - if the class extends Testcase, run as Junit 3
 *   - otherwise use Junit 4
 *   
 * So this test can be included in the regular test suite without problems.
 * 
 * @author Joram Barrez
 */
public class ActivitiRuleJunit4Test {
  
  @Rule
  public ActivitiRule activitiRule = new ActivitiRule();
  
  @Test
  @Deployment
  public void ruleUsageExample() {
    RuntimeService runtimeService = activitiRule.getRuntimeService();
    runtimeService.startProcessInstanceByKey("ruleUsage");
    
    TaskService taskService = activitiRule.getTaskService();
    Task task = taskService.createTaskQuery().singleResult();
    assertEquals("My Task", task.getName());
    
    taskService.complete(task.getId());
    assertEquals(0, runtimeService.createProcessInstanceQuery().count());
  }

}