wfp01sequencetest.java

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 * by the @authors tag. See the copyright.txt in the distribution for a
 * full listing of individual contributors.
 *
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 * under the terms of the GNU Lesser General Public License as
 * published by the Free Software Foundation; either version 2.1 of
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 *
 * 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
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package org.jbpm.jpdl.patterns;

import junit.framework.TestCase;

import org.jbpm.graph.def.ProcessDefinition;
import org.jbpm.graph.exe.ProcessInstance;
import org.jbpm.graph.exe.Token;

/**
 * http://is.tm.tue.nl/research/patterns/download/swf/pat_1.swf
 */
public class Wfp01SequenceTest extends TestCase {

  public void testSequence() {
    // create a simple definition with 3 states in sequence
    ProcessDefinition pd = ProcessDefinition.parseXmlString(
      "<process-definition>" +
      "  <start-state name='start'>" +
      "    <transition to='a' />" +
      "  </start-state>" +
      "  <state name='a'>" +
      "    <transition to='b' />" +
      "  </state>" +
      "  <state name='b'>" +
      "    <transition to='c' />" +
      "  </state>" +
      "  <state name='c'>" +
      "    <transition to='end' />" +
      "  </state>" +
      "  <end-state name='end'/>" +
      "</process-definition>"
    );

    ProcessInstance pi = new ProcessInstance( pd );
    pi.signal();
    Token token = pi.getRootToken();
    assertSame( pd.getNode("a"), token.getNode() );
    
    token.signal();
    assertSame( pd.getNode("b"), token.getNode() );

    token.signal();
    assertSame( pd.getNode("c"), token.getNode() );

    token.signal();
    assertSame( pd.getNode("end"), token.getNode() );
  }
}