ProcessHumanTaskTest.java example

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/*
 * Copyright 2015 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.test.functional.task;

import java.util.HashMap;
import java.util.List;
import java.util.Map;

import org.jbpm.test.JbpmTestCase;
import org.junit.Test;
import org.kie.api.runtime.KieSession;
import org.kie.api.runtime.manager.RuntimeEngine;
import org.kie.api.runtime.manager.RuntimeManager;
import org.kie.api.runtime.process.ProcessInstance;
import org.kie.api.task.TaskService;
import org.kie.api.task.model.TaskSummary;
import org.kie.internal.runtime.manager.context.ProcessInstanceIdContext;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;


/**
 * This is a sample file to test a process.
 */
public class ProcessHumanTaskTest extends JbpmTestCase {
    
    private static final Logger logger = LoggerFactory.getLogger(ProcessHumanTaskTest.class);
	
	public ProcessHumanTaskTest() {
		super(true, false);
	}

	@Test
	public void testProcess() {
	    createRuntimeManager("org/jbpm/test/functional/task/humantask.bpmn");
	    RuntimeEngine runtimeEngine = getRuntimeEngine();
		KieSession ksession = runtimeEngine.getKieSession();
        TaskService taskService = runtimeEngine.getTaskService();
		
		ProcessInstance processInstance = ksession.startProcess("com.sample.bpmn.hello");

		assertProcessInstanceActive(processInstance.getId(), ksession);
		assertNodeTriggered(processInstance.getId(), "Start", "Task 1");
		
		// let john execute Task 1
		List<TaskSummary> list = taskService.getTasksAssignedAsPotentialOwner("john", "en-UK");
		TaskSummary task = list.get(0);
		logger.info("John is executing task {}", task.getName());
		taskService.start(task.getId(), "john");
		taskService.complete(task.getId(), "john", null);

		assertNodeTriggered(processInstance.getId(), "Task 2");
		
		// let mary execute Task 2
		list = taskService.getTasksAssignedAsPotentialOwner("mary", "en-UK");
		task = list.get(0);
		logger.info("Mary is executing task {}", task.getName());
		taskService.start(task.getId(), "mary");
		taskService.complete(task.getId(), "mary", null);

		assertNodeTriggered(processInstance.getId(), "End");
		assertProcessInstanceNotActive(processInstance.getId(), ksession);
	}
	
    @Test
    public void testProcessWithCreatedBy() {
        
        createRuntimeManager("org/jbpm/test/functional/task/humantaskwithcreatedby.bpmn");
        RuntimeEngine runtimeEngine = getRuntimeEngine();
        KieSession ksession = runtimeEngine.getKieSession();
        TaskService taskService = runtimeEngine.getTaskService();
        
        Map<String, Object> params = new HashMap<String, Object>();
        params.put("person", "krisv");
        ProcessInstance processInstance = ksession.startProcess("com.sample.bpmn.hello.createdby", params);

        assertProcessInstanceActive(processInstance.getId(), ksession);
        assertNodeTriggered(processInstance.getId(), "Start", "Task 1");
        
        // let john execute Task 1
        List<TaskSummary> list = taskService.getTasksAssignedAsPotentialOwner("john", "en-UK");
        TaskSummary task = list.get(0);
        assertEquals("mary", task.getCreatedById());
        logger.info("John is executing task {}", task.getName());
        taskService.start(task.getId(), "john");
        taskService.complete(task.getId(), "john", null);

        assertNodeTriggered(processInstance.getId(), "Task 2");
        
        // let mary execute Task 2
        list = taskService.getTasksAssignedAsPotentialOwner("mary", "en-UK");
        task = list.get(0);
        assertEquals("krisv", task.getCreatedById());
        logger.info("Mary is executing task {}", task.getName());
        taskService.start(task.getId(), "mary");
        taskService.complete(task.getId(), "mary", null);

        assertNodeTriggered(processInstance.getId(), "End");
        assertProcessInstanceNotActive(processInstance.getId(), ksession);
    }
    
    @Test
    public void testProcessRequestStrategy() {
        createRuntimeManager(Strategy.REQUEST, "manager", "org/jbpm/test/functional/task/humantask.bpmn");
        RuntimeEngine runtimeEngine = getRuntimeEngine();
        KieSession ksession = runtimeEngine.getKieSession();
        TaskService taskService = runtimeEngine.getTaskService();
        
        ProcessInstance processInstance = ksession.startProcess("com.sample.bpmn.hello");

        assertProcessInstanceActive(processInstance.getId(), ksession);
        assertNodeTriggered(processInstance.getId(), "Start", "Task 1");
        
        // let john execute Task 1
        List<TaskSummary> list = taskService.getTasksAssignedAsPotentialOwner("john", "en-UK");
        TaskSummary task = list.get(0);
        logger.info("John is executing task {}", task.getName());
        taskService.start(task.getId(), "john");
        taskService.complete(task.getId(), "john", null);

        assertNodeTriggered(processInstance.getId(), "Task 2");
        
        // let mary execute Task 2
        list = taskService.getTasksAssignedAsPotentialOwner("mary", "en-UK");
        task = list.get(0);
        logger.info("Mary is executing task {}", task.getName());
        taskService.start(task.getId(), "mary");
        taskService.complete(task.getId(), "mary", null);

        assertNodeTriggered(processInstance.getId(), "End");
        assertProcessInstanceNotActive(processInstance.getId(), ksession);
    }

    @Test
    public void testProcessProcessInstanceStrategy() {
        RuntimeManager manager = createRuntimeManager(Strategy.PROCESS_INSTANCE, "manager", "org/jbpm/test/functional/task/humantask.bpmn");
        RuntimeEngine runtimeEngine = getRuntimeEngine(ProcessInstanceIdContext.get());
        KieSession ksession = runtimeEngine.getKieSession();
        TaskService taskService = runtimeEngine.getTaskService();
        
        long ksessionID = ksession.getIdentifier();
        ProcessInstance processInstance = ksession.startProcess("com.sample.bpmn.hello");

        assertProcessInstanceActive(processInstance.getId(), ksession);
        assertNodeTriggered(processInstance.getId(), "Start", "Task 1");
        
        manager.disposeRuntimeEngine(runtimeEngine);
        runtimeEngine = getRuntimeEngine(ProcessInstanceIdContext.get(processInstance.getId()));
        
        ksession = runtimeEngine.getKieSession();
        taskService = runtimeEngine.getTaskService();
        
        assertEquals(ksessionID, ksession.getIdentifier());
        
        // let john execute Task 1
        List<TaskSummary> list = taskService.getTasksAssignedAsPotentialOwner("john", "en-UK");
        TaskSummary task = list.get(0);
        logger.info("John is executing task {}", task.getName());
        taskService.start(task.getId(), "john");
        taskService.complete(task.getId(), "john", null);

        assertNodeTriggered(processInstance.getId(), "Task 2");
        
        // let mary execute Task 2
        list = taskService.getTasksAssignedAsPotentialOwner("mary", "en-UK");
        task = list.get(0);
        logger.info("Mary is executing task {}", task.getName());
        taskService.start(task.getId(), "mary");
        taskService.complete(task.getId(), "mary", null);

        assertNodeTriggered(processInstance.getId(), "End");
        assertProcessInstanceNotActive(processInstance.getId(), ksession);
        manager.disposeRuntimeEngine(runtimeEngine);
    }
}