swimlanetest.java

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/*
 * JBoss, Home of Professional Open Source
 * Copyright 2005, JBoss Inc., and individual contributors as indicated
 * by the @authors tag. See the copyright.txt in the distribution for a
 * full listing of individual contributors.
 *
 * This is free software; you can redistribute it and/or modify it
 * under the terms of the GNU Lesser General Public License as
 * published by the Free Software Foundation; either version 2.1 of
 * the License, or (at your option) any later version.
 *
 * This software is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
 * Lesser General Public License for more details.
 *
 * You should have received a copy of the GNU Lesser General Public
 * License along with this software; if not, write to the Free
 * Software Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA
 * 02110-1301 USA, or see the FSF site: http://www.fsf.org.
 */
package org.jbpm.taskmgmt.exe;

import java.util.Arrays;
import java.util.HashSet;
import java.util.Iterator;
import java.util.List;
import java.util.Set;

import junit.framework.TestCase;

import org.jbpm.JbpmConfiguration;
import org.jbpm.JbpmContext;
import org.jbpm.graph.def.ProcessDefinition;
import org.jbpm.graph.exe.ExecutionContext;
import org.jbpm.graph.exe.ProcessInstance;
import org.jbpm.graph.exe.Token;
import org.jbpm.taskmgmt.def.AssignmentHandler;

public class SwimlaneTest extends TestCase {
  
  static JbpmConfiguration jbpmConfiguration = JbpmConfiguration.getInstance("org/jbpm/jbpm.test.cfg.xml");
  static int invocationCount = 0;
  
  public void setUp() {
    invocationCount = 0;
  }
  
  public void testStartStateSwimlaneInitialization() {
    ProcessDefinition processDefinition = ProcessDefinition.parseXmlString(
      "<process-definition>" +
      "  <swimlane name='initiator' />" +
      "  <start-state>" +
      "    <task swimlane='initiator' />" +
      "    <transition to='a' />" +
      "  </start-state>" +
      "  <state name='a' />" +
      "</process-definition>"
    );

    ProcessInstance processInstance;
    TaskMgmtInstance taskMgmtInstance;
    JbpmContext jbpmContext = jbpmConfiguration.createJbpmContext();
    jbpmContext.setActorId("the other guy");
    try {
      processInstance = new ProcessInstance(processDefinition);
      taskMgmtInstance = processInstance.getTaskMgmtInstance();
      taskMgmtInstance.createStartTaskInstance();
      processInstance.signal();
    } finally {
      jbpmContext.setActorId(null);
      jbpmContext.close();
    }
    assertEquals("the other guy", taskMgmtInstance.getSwimlaneInstance("initiator").getActorId());
  }

  public static class TestAssignmentHandler implements AssignmentHandler {
    private static final long serialVersionUID = 1L;
    public void assign(Assignable assignable, ExecutionContext executionContext) throws Exception {
      invocationCount++;
      assignable.setActorId("me");
    }
  }

  public void testSwimlaneAssignmentHandler() {
    ProcessDefinition processDefinition = ProcessDefinition.parseXmlString(
      "<process-definition>" +
      "  <swimlane name='stalker'>" +
      "    <assignment class='org.jbpm.taskmgmt.exe.SwimlaneTest$TestAssignmentHandler' />" +
      "  </swimlane>" +
      "  <start-state>" +
      "    <transition to='a' />" +
      "  </start-state>" +
      "  <task-node name='a'>" +
      "    <task name='change nappy' swimlane='stalker' />" +
      "    <transition to='b' />" +
      "  </task-node>" +
      "  <task-node name='b'>" +
      "    <task name='beauty sleep' swimlane='stalker' />" +
      "  </task-node>" +
      "</process-definition>"
    );
    
    ProcessInstance processInstance = new ProcessInstance(processDefinition);
    processInstance.signal();
    
    TaskMgmtInstance taskMgmtInstance = processInstance.getTaskMgmtInstance();
    TaskInstance changeNappy = (TaskInstance) taskMgmtInstance.getTaskInstances().iterator().next();
    SwimlaneInstance stalker = taskMgmtInstance.getSwimlaneInstance("stalker");
    assertNotNull(stalker);
    assertEquals(1, invocationCount);
    assertEquals("me", stalker.getActorId());
    assertEquals("me", changeNappy.getActorId());
    
    changeNappy.end();
    
    Token token = processInstance.getRootToken();
    TaskInstance beautySleep = (TaskInstance) taskMgmtInstance.getUnfinishedTasks(token).iterator().next();
    assertEquals("me", beautySleep.getActorId());
  }
  
  public void testSwimlaneActorId() {
    ProcessDefinition processDefinition = ProcessDefinition.parseXmlString(
      "<process-definition>" +
      "  <swimlane name='stalker'>" +
      "    <assignment actor-id='johndoe' />" +
      "  </swimlane>" +
      "  <start-state>" +
      "    <transition to='a' />" +
      "  </start-state>" +
      "  <task-node name='a'>" +
      "    <task name='change nappy' swimlane='stalker' />" +
      "  </task-node>" +
      "</process-definition>"
    );
    
    ProcessInstance processInstance = new ProcessInstance(processDefinition);
    processInstance.signal();
    
    TaskMgmtInstance taskMgmtInstance = processInstance.getTaskMgmtInstance();
    TaskInstance changeNappy = (TaskInstance) taskMgmtInstance.getTaskInstances().iterator().next();
    SwimlaneInstance stalker = taskMgmtInstance.getSwimlaneInstance("stalker");
    assertNotNull(stalker);
    assertEquals("johndoe", stalker.getActorId());
    assertEquals("johndoe", changeNappy.getActorId());
  }
  
  public void testSwimlanePooledActor() {
    ProcessDefinition processDefinition = ProcessDefinition.parseXmlString(
      "<process-definition>" +
      "  <swimlane name='stalker'>" +
      "    <assignment pooled-actors='hippies,hells angles' />" +
      "  </swimlane>" +
      "  <start-state>" +
      "    <transition to='a' />" +
      "  </start-state>" +
      "  <task-node name='a'>" +
      "    <task name='change nappy' swimlane='stalker' />" +
      "  </task-node>" +
      "</process-definition>"
    );
    
    ProcessInstance processInstance = new ProcessInstance(processDefinition);
    processInstance.signal();
    
    TaskMgmtInstance taskMgmtInstance = processInstance.getTaskMgmtInstance();
    TaskInstance changeNappy = (TaskInstance) taskMgmtInstance.getTaskInstances().iterator().next();
    SwimlaneInstance stalker = taskMgmtInstance.getSwimlaneInstance("stalker");
    assertNotNull(stalker);
    assertNull(stalker.getActorId());
    assertNull(changeNappy.getActorId());

    Set retrievedSwimlaneInstancePooledActorIds = new HashSet();
    Iterator iter = stalker.getPooledActors().iterator();
    while (iter.hasNext()) {
      PooledActor pooledActor = (PooledActor) iter.next();
      retrievedSwimlaneInstancePooledActorIds.add(pooledActor.getActorId());
    }
    
    Set expectedPooledActorIds = new HashSet();
    expectedPooledActorIds.add("hippies");
    expectedPooledActorIds.add("hells angles");
    
    assertEquals(expectedPooledActorIds, retrievedSwimlaneInstancePooledActorIds);

    Set retrievedTaskInstancePooledActorIds = new HashSet();
    iter = changeNappy.getPooledActors().iterator();
    while (iter.hasNext()) {
      PooledActor pooledActor = (PooledActor) iter.next();
      retrievedTaskInstancePooledActorIds.add(pooledActor.getActorId());
    }
    
    assertEquals(expectedPooledActorIds, retrievedTaskInstancePooledActorIds);
  }
  
  public void testSwimlanePooledActorThenTaskInstanceAssignment() {
    ProcessDefinition processDefinition = ProcessDefinition.parseXmlString(
      "<process-definition>" +
      "  <swimlane name='stalker'>" +
      "    <assignment pooled-actors='hippies,hells angles' />" +
      "  </swimlane>" +
      "  <start-state>" +
      "    <transition to='a' />" +
      "  </start-state>" +
      "  <task-node name='a'>" +
      "    <task name='change nappy' swimlane='stalker' />" +
      "  </task-node>" +
      "</process-definition>"
    );
    
    ProcessInstance processInstance = new ProcessInstance(processDefinition);
    processInstance.signal();
    
    TaskMgmtInstance taskMgmtInstance = processInstance.getTaskMgmtInstance();
    TaskInstance changeNappy = (TaskInstance) taskMgmtInstance.getTaskInstances().iterator().next();
    SwimlaneInstance stalker = taskMgmtInstance.getSwimlaneInstance("stalker");
    assertNotNull(stalker);
    assertNull(stalker.getActorId());
    assertNull(changeNappy.getActorId());
    
    changeNappy.setActorId("johndoe");
    
    assertEquals("johndoe", stalker.getActorId());
    assertEquals("johndoe", changeNappy.getActorId());
  }
  
  public void testSwimlanePooledActorThenTaskInstanceReassignment() {
    ProcessDefinition processDefinition = ProcessDefinition.parseXmlString(
      "<process-definition>" +
      "  <swimlane name='stalker'>" +
      "    <assignment pooled-actors='hippies,hells angles' />" +
      "  </swimlane>" +
      "  <start-state>" +
      "    <transition to='a' />" +
      "  </start-state>" +
      "  <task-node name='a'>" +
      "    <task name='change nappy' swimlane='stalker' />" +
      "  </task-node>" +
      "</process-definition>"
    );
    
    ProcessInstance processInstance = new ProcessInstance(processDefinition);
    processInstance.signal();
    
    TaskMgmtInstance taskMgmtInstance = processInstance.getTaskMgmtInstance();
    TaskInstance changeNappy = (TaskInstance) taskMgmtInstance.getTaskInstances().iterator().next();
    SwimlaneInstance stalker = taskMgmtInstance.getSwimlaneInstance("stalker");
    assertNotNull(stalker);
    assertNull(stalker.getActorId());
    assertNull(changeNappy.getActorId());
    
    changeNappy.setActorId("johndoe");
    changeNappy.setActorId("joesmoe");
    
    assertEquals("joesmoe", stalker.getActorId());
    assertEquals("joesmoe", changeNappy.getActorId());
  }
  
  public void testSwimlanePooledActorThenSwimlaneInstanceAssignment() {
    ProcessDefinition processDefinition = ProcessDefinition.parseXmlString(
      "<process-definition>" +
      "  <swimlane name='stalker'>" +
      "    <assignment pooled-actors='hippies,hells angles' />" +
      "  </swimlane>" +
      "  <start-state>" +
      "    <transition to='a' />" +
      "  </start-state>" +
      "  <task-node name='a'>" +
      "    <task name='change nappy' swimlane='stalker' />" +
      "  </task-node>" +
      "</process-definition>"
    );
    
    ProcessInstance processInstance = new ProcessInstance(processDefinition);
    processInstance.signal();
    
    TaskMgmtInstance taskMgmtInstance = processInstance.getTaskMgmtInstance();
    TaskInstance changeNappy = (TaskInstance) taskMgmtInstance.getTaskInstances().iterator().next();
    SwimlaneInstance stalker = taskMgmtInstance.getSwimlaneInstance("stalker");
    assertNotNull(stalker);
    assertNull(stalker.getActorId());
    assertNull(changeNappy.getActorId());
    
    stalker.setActorId("johndoe");
    
    assertEquals("johndoe", stalker.getActorId());
    assertNull(changeNappy.getActorId());
  }
  
  public void testSwimlaneReassignment() {
    ProcessDefinition processDefinition = ProcessDefinition.parseXmlString(
      "<process-definition>" +
      "  <swimlane name='hero'>" +
      "    <assignment pooled-actors='hippies,hells angles' />" +
      "  </swimlane>" +
      "  <start-state>" +
      "    <transition to='a' />" +
      "  </start-state>" +
      "  <task-node name='a'>" +
      "    <task name='change nappy' swimlane='hero' />'" +
      "    <transition to='b' />" +
      "  </task-node>" +
      "  <task-node name='b'>" +
      "    <task name='make bottle' swimlane='hero' />'" +
      "    <transition to='end' />" +
      "  </task-node>" +
      "  <end-state name='end' />" +
      "</process-definition>"
    );

    ProcessInstance processInstance = new ProcessInstance(processDefinition);
    processInstance.signal();
    
    TaskMgmtInstance taskMgmtInstance = processInstance.getTaskMgmtInstance();
    TaskInstance changeNappy = (TaskInstance) taskMgmtInstance.getTaskInstances().iterator().next();
    changeNappy.setActorId("johndoe");