wfp12implicitterminationtest.java

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 * published by the Free Software Foundation; either version 2.1 of
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 *
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 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
 * Lesser General Public License for more details.
 *
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 * License along with this software; if not, write to the Free
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 */
package org.jbpm.jpdl.patterns;

import junit.framework.*;

import org.jbpm.graph.def.*;
import org.jbpm.graph.exe.*;

/**
 * http://is.tm.tue.nl/research/patterns/download/swf/pat_11.swf
 * 
 * Must the implicit termination be based on states only or also on tasks ?
 */
public class Wfp12ImplicitTerminationTest extends TestCase {
  
  private static ProcessDefinition implicitTerminationProcessDefinition = createImplicitTerminationDefinition();

  public static ProcessDefinition createImplicitTerminationDefinition() {
    ProcessDefinition pd = new ProcessDefinition(
      new String[]{"start-state start",
                   "fork fork",
                   "state b",
                   "state c",
                   "state d",
                   "state e"}, 
      new String[]{"start --> fork",
                   "fork --b--> b",
                   "fork --c--> c",
                   "b --> d",
                   "c --> e"});
    pd.setTerminationImplicit( true );
    return pd;
  }

  public void testImplicitTerminationScenario1() {
    ProcessDefinition pd = implicitTerminationProcessDefinition;
    ProcessInstance pi = new ProcessInstance( pd );
    pi.signal();
    Token rootToken = pi.getRootToken();
    Token tokenB = rootToken.getChild("b");
    Token tokenC = rootToken.getChild("c");

    assertFalse( pi.hasEnded() );
    tokenB.signal();
    assertFalse( pi.hasEnded() );
    tokenC.signal();
    assertTrue( pi.hasEnded() );
  }

  public void testImplicitTerminationScenario2() {
    ProcessDefinition pd = implicitTerminationProcessDefinition;
    ProcessInstance pi = new ProcessInstance( pd );
    pi.signal();
    Token rootToken = pi.getRootToken();
    Token tokenB = rootToken.getChild("b");
    Token tokenC = rootToken.getChild("c");

    assertFalse( pi.hasEnded() );
    tokenC.signal();
    assertFalse( pi.hasEnded() );
    tokenB.signal();
    assertTrue( pi.hasEnded() );
  }
}