TransitionLogTest.java

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 *
 * This is free software; you can redistribute it and/or modify it
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 * 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,
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 * 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.graph.log;

import java.util.List;

import org.jbpm.AbstractJbpmTestCase;
import org.jbpm.graph.def.ProcessDefinition;
import org.jbpm.graph.exe.ProcessInstance;
import org.jbpm.graph.exe.Token;
import org.jbpm.logging.exe.LoggingInstance;

public class TransitionLogTest extends AbstractJbpmTestCase {

  public void testBasicTransitionLogs() {
    ProcessDefinition processDefinition = ProcessDefinition.parseXmlString(
      "<process-definition>" +
      "  <start-state>" +
      "    <transition to='state' />" +
      "  </start-state>" +
      "  <state name='state'>" +
      "    <transition to='end' />" +
      "  </state>" +
      "  <end-state name='end' />" +
      "</process-definition>" 
    );

    // start a process instance
    ProcessInstance processInstance = new ProcessInstance(processDefinition);
    Token token = processInstance.getRootToken();
    processInstance.signal();
    
    // check the transition log (from the start state to the state)
    LoggingInstance loggingInstance = processInstance.getLoggingInstance();
    List transitionLogs = loggingInstance.getLogs(TransitionLog.class);
    assertEquals(1, transitionLogs.size());
    TransitionLog transitionLog = (TransitionLog) transitionLogs.get(0);
    assertSame(token, transitionLog.getToken());
    assertNotNull(transitionLog.getDate());
    assertSame(processDefinition.getStartState(), transitionLog.getSourceNode());
    assertSame(processDefinition.getNode("state"), transitionLog.getDestinationNode());

    // signal the process to continue (which will move it to the end state) 
    processInstance.signal();
    
    // check the transition log (from the state to the end state)
    transitionLogs = loggingInstance.getLogs(TransitionLog.class);
    assertEquals(2, transitionLogs.size());
    transitionLog = (TransitionLog) transitionLogs.get(1);
    assertSame(token, transitionLog.getToken());
    assertNotNull(transitionLog.getDate());
    assertSame(processDefinition.getNode("state"), transitionLog.getSourceNode());
    assertSame(processDefinition.getNode("end"), transitionLog.getDestinationNode());
  }

  public void testUseSuperStateTransitionLogs() {
    ProcessDefinition processDefinition = ProcessDefinition.parseXmlString(
      "<process-definition>" +
      "  <start-state>" +
      "    <transition to='superstate/state' />" +
      "  </start-state>" +
      "  <super-state name='superstate'>" +
      "    <state name='state'/>" +
      "    <transition to='end' />" +
      "  </super-state>" +
      "  <end-state name='end' />" +
      "</process-definition>" 
    );

    // start a process instance
    ProcessInstance processInstance = new ProcessInstance(processDefinition);
    Token token = processInstance.getRootToken();
    processInstance.signal();
    processInstance.signal();
    
    // check the transition log (from the start state to the state)
    LoggingInstance loggingInstance = processInstance.getLoggingInstance();
    List transitionLogs = loggingInstance.getLogs(TransitionLog.class);
    assertEquals(2, transitionLogs.size());
    TransitionLog transitionLog = (TransitionLog) transitionLogs.get(1);
    assertSame(token, transitionLog.getToken());
    assertNotNull(transitionLog.getDate());
    assertSame(processDefinition.findNode("superstate/state"), transitionLog.getSourceNode());
    assertSame(processDefinition.getNode("end"), transitionLog.getDestinationNode());
  }

  public void testTransitionToSuperStateFirstChildLogs() {
    ProcessDefinition processDefinition = ProcessDefinition.parseXmlString(
      "<process-definition>" +
      "  <start-state>" +
      "    <transition to='superstate' />" +
      "  </start-state>" +
      "  <super-state name='superstate'>" +
      "    <state name='state'/>" +
      "  </super-state>" +
      "</process-definition>" 
    );

    // start a process instance
    ProcessInstance processInstance = new ProcessInstance(processDefinition);
    Token token = processInstance.getRootToken();
    processInstance.signal();
    
    // check the transition log (from the start state to the state)
    LoggingInstance loggingInstance = processInstance.getLoggingInstance();
    List transitionLogs = loggingInstance.getLogs(TransitionLog.class);
    assertEquals(1, transitionLogs.size());
    TransitionLog transitionLog = (TransitionLog) transitionLogs.get(0);
    assertSame(token, transitionLog.getToken());
    assertNotNull(transitionLog.getDate());
    assertSame(processDefinition.getStartState(), transitionLog.getSourceNode());
    assertSame(processDefinition.findNode("superstate/state"), transitionLog.getDestinationNode());
  }
}