taskassignmenttest.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.ArrayList;
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.ActionHandler;
import org.jbpm.graph.def.ProcessDefinition;
import org.jbpm.graph.exe.ExecutionContext;
import org.jbpm.graph.exe.ProcessInstance;
import org.jbpm.taskmgmt.def.AssignmentHandler;

public class TaskAssignmentTest extends TestCase {
  
  static JbpmConfiguration jbpmConfiguration = JbpmConfiguration.getInstance();
  
  public static class TestAssignmentHandler implements AssignmentHandler {
    private static final long serialVersionUID = 1L;
    public void assign(Assignable assignable, ExecutionContext executionContext) throws Exception {
      assignable.setActorId("johndoe");
    }
  }
  
  public void testTaskAssignment() {
    ProcessDefinition processDefinition = ProcessDefinition.parseXmlString(
      "<process-definition>" +
      "  <start-state>" +
      "    <transition to='a' />" +
      "  </start-state>" +
      "  <task-node name='a'>" +
      "    <task name='change nappy'>" +
      "      <assignment class='org.jbpm.taskmgmt.exe.TaskAssignmentTest$TestAssignmentHandler' />" +
      "    </task>" +
      "  </task-node>" +
      "</process-definition>"
    );
    
    ProcessInstance processInstance = new ProcessInstance(processDefinition);
    processInstance.signal();
    
    TaskMgmtInstance taskMgmtInstance =processInstance.getTaskMgmtInstance();
    TaskInstance changeNappy = (TaskInstance) taskMgmtInstance.getTaskInstances().iterator().next();
    
    assertEquals("johndoe", changeNappy.getActorId());
    assertNull(changeNappy.getPooledActors());
  }
  
  public static class MultipleAssignmentHandler implements AssignmentHandler {
    private static final long serialVersionUID = 1L;
    public void assign(Assignable assignable, ExecutionContext executionContext) throws Exception {
      assignable.setPooledActors(new String[]{"me", "you", "them"});
    }
  }

  public void testMultiActorTaskAssignment() {
    ProcessDefinition processDefinition = ProcessDefinition.parseXmlString(
      "<process-definition>" +
      "  <start-state>" +
      "    <transition to='a' />" +
      "  </start-state>" +
      "  <task-node name='a'>" +
      "    <task name='change nappy'>" +
      "      <assignment class='org.jbpm.taskmgmt.exe.TaskAssignmentTest$MultipleAssignmentHandler' />" +
      "    </task>" +
      "  </task-node>" +
      "</process-definition>"
    );
    
    ProcessInstance processInstance = new ProcessInstance(processDefinition);
    processInstance.signal();
    
    TaskMgmtInstance taskMgmtInstance = processInstance.getTaskMgmtInstance();
    TaskInstance changeNappy = (TaskInstance) taskMgmtInstance.getTaskInstances().iterator().next();
    
    Set expectedActorIds = new HashSet( Arrays.asList(new Object[]{"me", "you", "them"}) );
    
    // collect actor ids from the task instances
    Set pooledActorIds = new HashSet();
    Iterator iter = changeNappy.getPooledActors().iterator();
    while (iter.hasNext()) {
      PooledActor pooledActor = (PooledActor) iter.next();
      pooledActorIds.add(pooledActor.getActorId());
      assertTrue(pooledActor.getTaskInstances().contains(changeNappy));
      assertNull(pooledActor.getSwimlaneInstance());
    }
    
    assertEquals(expectedActorIds, pooledActorIds);
  }

  public static class AssignmentHandlerContextTester implements AssignmentHandler {
    private static final long serialVersionUID = 1L;
    public void assign(Assignable assignable, ExecutionContext executionContext) throws Exception {
    }
  }
  
  public void testAssignmentHandlerContext() {
    ProcessDefinition processDefinition = ProcessDefinition.parseXmlString(
      "<process-definition>" +
      "  <start-state>" +
      "    <transition to='a' />" +
      "  </start-state>" +
      "  <task-node name='a'>" +
      "    <task name='change nappy'>" +
      "      <assignment class='org.jbpm.taskmgmt.exe.TaskAssignmentTest$AssignmentHandlerContextTester' />" +
      "    </task>" +
      "  </task-node>" +
      "</process-definition>"
    );
    
    ProcessInstance processInstance = new ProcessInstance(processDefinition);
    processInstance.signal();
    
    TaskMgmtInstance taskMgmtInstance = processInstance.getTaskMgmtInstance();
    assertEquals(1, taskMgmtInstance.getTaskInstances().size());
    TaskInstance changeNappy = (TaskInstance) taskMgmtInstance.getTaskInstances().iterator().next();
    assertNull(changeNappy.getActorId());
    assertNull(changeNappy.getPooledActors());
  }
  
  public void testStartTaskSwimlaneAssignmentTest() {
    ProcessDefinition processDefinition = ProcessDefinition.parseXmlString(
      "<process-definition>" +
      "  <swimlane name='initiator' />" +
      "  <start-state>" +
      "    <task name='start this process' swimlane='initiator' />" +
      "    <transition to='wait' />" +
      "  </start-state>" +
      "  <state name='wait' />" +
      "</process-definition>"
    );

    ProcessInstance processInstance = new ProcessInstance(processDefinition);
    TaskMgmtInstance taskMgmtInstance = processInstance.getTaskMgmtInstance();

    JbpmContext jbpmContext = jbpmConfiguration.createJbpmContext();
    jbpmContext.setActorId("cookie monster");
    try {
      taskMgmtInstance.createStartTaskInstance().end();
    } finally {
      jbpmContext.setActorId(null);
      jbpmContext.close();
    }

    SwimlaneInstance swimlaneInstance = taskMgmtInstance.getSwimlaneInstance("initiator");
    assertNotNull(swimlaneInstance);
    assertEquals("cookie monster", swimlaneInstance.getActorId());
  }

  public void testActorId() {
    ProcessDefinition processDefinition = ProcessDefinition.parseXmlString(
      "<process-definition>" +
      "  <start-state>" +
      "    <transition to='a' />" +
      "  </start-state>" +
      "  <task-node name='a'>" +
      "    <task name='change nappy'>" +
      "      <assignment actor-id='me' />" +
      "    </task>" +
      "  </task-node>" +
      "</process-definition>"
    );
    
    ProcessInstance processInstance = new ProcessInstance(processDefinition);
    processInstance.signal();
    TaskMgmtInstance taskMgmtInstance = processInstance.getTaskMgmtInstance();
    assertEquals(1, taskMgmtInstance.getTaskInstances().size());
    TaskInstance changeNappy = (TaskInstance) taskMgmtInstance.getTaskInstances().iterator().next();
    assertEquals("me", changeNappy.getActorId());
    assertNull(changeNappy.getPooledActors());
  }

  public void testPooledActors() {
    ProcessDefinition processDefinition = ProcessDefinition.parseXmlString(
      "<process-definition>" +
      "  <start-state>" +
      "    <transition to='a' />" +
      "  </start-state>" +
      "  <task-node name='a'>" +
      "    <task name='change nappy'>" +
      "      <assignment pooled-actors='flinstones,huckleberries' />" +
      "    </task>" +
      "  </task-node>" +
      "</process-definition>"
    );
    
    ProcessInstance processInstance = new ProcessInstance(processDefinition);
    processInstance.signal();
    TaskMgmtInstance taskMgmtInstance = processInstance.getTaskMgmtInstance();
    assertEquals(1, taskMgmtInstance.getTaskInstances().size());
    TaskInstance changeNappy = (TaskInstance) taskMgmtInstance.getTaskInstances().iterator().next();
    assertNull(changeNappy.getActorId());
    
    Set expectedPooledActors = new HashSet();
    expectedPooledActors.add("flinstones");
    expectedPooledActors.add("huckleberries");
    
    Set assignedPooledActors = new HashSet();
    Iterator iter = changeNappy.getPooledActors().iterator();
    while (iter.hasNext()) {
      PooledActor pooledActor = (PooledActor) iter.next();
      assignedPooledActors.add(pooledActor.getActorId());
    }