forkinlooptest.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.jpdl.exe;

import junit.framework.TestCase;

import org.apache.commons.logging.Log;
import org.apache.commons.logging.LogFactory;
import org.jbpm.graph.def.ProcessDefinition;
import org.jbpm.graph.exe.ProcessInstance;

public class ForkInLoopTest extends TestCase {

	public void testCycle() { 
		ProcessDefinition processDefinition = ProcessDefinition.parseXmlString( 
		"<process-definition>" + 
		"  <start-state name='start'>" + 
		"    <transition to='a' />" + 
		"  </start-state>" + 
		"  <state name='a'>" + 
		"    <transition to='f' />" + 
		"  </state>" + 
		"  <fork name='f'>" + 
		"    <transition name='b' to='b' />" + 
		"    <transition name='c' to='c' />" + 
		"  </fork>" + 
		"  <state name='b'>" + 
		"    <transition to='j' />" + 
		"  </state>" + 
		"  <state name='c'>" + 
		"    <transition to='j' />" + 
		"  </state>" + 
		"  <join name='j'>" + 
		"    <transition to='d' />" + 
		"  </join>" + 
		"  <state name='d'>" + 
		"    <transition to='a' />" + 
		"  </state>" + 
		"</process-definition>" ); 
		 
		 
		ProcessInstance pi = (ProcessInstance) processDefinition.createInstance(); 
		 
		for (int i= 0; i<3;i++) { 
		
			log.debug("starting round "+i); 
			pi.signal(); 
			assertEquals("a", pi.getRootToken().getNode().getName()); 
		 
			pi.signal(); 

      String extend = ""; 
			if (i >= 1) extend = Integer.toString(i+1);
      
			assertEquals("b", pi.findToken("/b" + extend).getNode().getName()); 
			assertEquals("c", pi.findToken("/c" + extend).getNode().getName()); 
		 
      log.debug("signalling '/b"+extend+"' in round "+i); 
			pi.findToken("/b" + extend).signal(); 
      log.debug("signalling '/c"+extend+"' in round "+i); 
			pi.findToken("/c" + extend).signal(); 
      
			assertEquals("d", pi.getRootToken().getNode().getName()); 		 
		} 
	} 

  private static final Log log = LogFactory.getLog(ForkInLoopTest.class);
}