Package process

Source Code of process.Subflow

/*
* This file is part of the WfMOpen project.
* Copyright (C) 2001-2003 Danet GmbH (www.danet.de), GS-AN.
* All rights reserved.
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* This program 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 General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
*
* $Id: Subflow.java 2326 2007-03-27 21:59:44Z mlipp $
*
* $Log$
* Revision 1.3  2006/09/29 12:32:07  drmlipp
* Consistently using WfMOpen as projct name now.
*
* Revision 1.2  2004/09/10 11:53:15  drmlipp
* Made tests undividually runnable.
*
* Revision 1.1.1.2  2003/12/19 13:01:43  drmlipp
* Updated to 1.1rc1
*
* Revision 1.10  2003/11/05 08:53:24  huaiyang
* use WrappedProcess.
*
* Revision 1.9  2003/10/21 21:00:45  lipp
* Moved EJBClientTest to new junit sub-package.
*
* Revision 1.8  2003/10/08 12:39:40  huaiyang
* make test weblogic compatible.
*
* Revision 1.7  2003/09/19 13:12:29  lipp
* Adapted to closed.completed having a substate.
*
* Revision 1.6  2003/06/27 09:44:03  lipp
* Fixed copyright/license information.
*
* Revision 1.5  2003/06/04 15:11:50  schlue
* Bug in stateReached fixed.
*
* Revision 1.4  2003/05/14 12:02:26  schlue
* Import of process descriptions changed due to modified import behaviour.
*
* Revision 1.3  2003/05/13 16:56:34  schlue
* Complex subflow completed.
*
* Revision 1.2  2003/05/12 09:00:04  schlue
* PR39 fixed.
* Initial version of complex subflow added.
*
* Revision 1.1  2003/05/08 10:50:28  schlue
* Initial subflow tests added.
*
*
*/
package process;

import java.io.BufferedReader;
import java.io.InputStream;
import java.io.InputStreamReader;

import java.util.Iterator;

import java.rmi.RemoteException;

import de.danet.an.util.junit.EJBClientTest;

import de.danet.an.workflow.omgcore.ProcessData;
import de.danet.an.workflow.omgcore.WfRequester;

import de.danet.an.workflow.api.DefaultRequester;
import de.danet.an.workflow.api.ImportException;
import de.danet.an.workflow.api.PrioritizedMessage;
import de.danet.an.workflow.api.ProcessDirectory;
import de.danet.an.workflow.api.ProcessMgr;
import de.danet.an.workflow.api.WorkflowService;
import de.danet.an.workflow.api.WorkflowServiceFactory;

import common.WrappedProcess;
import common.WrappedProcessDefinitionDirectory;
import junit.framework.Test;
import junit.framework.TestResult;
import junit.framework.TestSuite;

/**
* Test calling of subprocesses and receiving return values.
* After completion, all previously created processes and process definitions
* are removed.
* @author <a href="mailto:schlueter@danet.de">Holger Schlueter</a>
* @version 1.0
*/
public class Subflow extends WfMOpenTestCase {
    /**
     * Access to process definition directory (singleton)
     */
    private WrappedProcessDefinitionDirectory defDir = null;

    /**
     * Access to process directory (singleton)
     */
    private ProcessDirectory procDir = null;

    /**
     * Access to default requester (singleton)
     */
    private WfRequester requester = null;

    /**
     * Constructor of this TestCase
     * @param name a <code>String</code> value
     */
    public Subflow(String name) {
  super (name);
    }

    /**
     * Construct this test suite.
     * @return a <code>Test</code> value
     */
    public static Test suite() {
        TestSuite suite = new TestSuite();
  /*
  suite.addTest(new Subflow("illegalSubRef"));
  suite.addTest(new Subflow("simpleSubflow"));
  suite.addTest(new Subflow("complexSubflow"));
  */
  suite.addTest(new Subflow("complexSubflow"));
        return suite;
    }

    /**
     * Runs the tests with an appropriate login context.
     *
     * @param testResult a <code>TestResult</code> value
     */
    public void run(final TestResult testResult) {
  EJBClientTest.run (new Runnable () {
    public void run () {
        Subflow.super.run (testResult);
    }
      }, plc, testResult);
    }

    /**
     * Test creating a process with a simple subflow, passing through and
     * (automatically) removing.
     * @exception Exception if an error occurs
     */
    public void illegalSubRef() throws Exception {
  StringBuffer processDefinition = new StringBuffer();
  InputStream is = getClass()
            .getResourceAsStream("/process/illegalSubRef.xml");
  BufferedReader in = new BufferedReader
      (new InputStreamReader(is, "ISO-8859-1"));
  String line = null;
  while ((line = in.readLine())!= null) {
      processDefinition.append(line+"\n");
  }
  boolean gotException = false;
  try {defDir.importProcessDefinitions(processDefinition.toString());
  } catch (ImportException exc) {
      assertTrue(exc.messages().size() == 1);
      assertTrue(((PrioritizedMessage)exc.messages().get(0)).priority()
           .equals(PrioritizedMessage.Priority.ERROR));
      assertTrue(((PrioritizedMessage)exc.messages().get(0)).unmappedMessage()
           .equals("ImportMessages#procdef.activity.subflow.notfound"));
      gotException = true;
 
  assertTrue(gotException);
    }

    /**
     * Test creating a process with a simple subflow, passing through and
     * (automatically) removing.
     * @exception Exception if an error occurs
     */
    public void simpleSubflow() throws Exception {
  importProcessDefinition("/process/subflow.xml");
  ProcessMgr mgr = defDir.processMgr("SystemTest", "withSimpleSub");
  //WfProcess proc = mgr.createProcess(requester);
  WrappedProcess proc = new WrappedProcess(mgr.createProcess(requester));
  proc.start();
  // Wait for completion
  assertTrue(stateReached(proc, "closed.completed"));
  ProcessData data = proc.processContext();
  assertTrue(((String)data.get("TransitionPath"))
       .equals("PATH:act1:sub_act1:act3"));
  procDir.removeProcess(proc.getWfProcess());
  defDir.removeProcessDefinition("SystemTest", "withSimpleSub")
  defDir.removeProcessDefinition("SystemTest", "simpleSub")
    }

    /**
     * Test creating a process with a complex subflow, passing through and
     * (automatically) removing.
     * @exception Exception if an error occurs
     */
    public void complexSubflow() throws Exception {
  importProcessDefinition("/process/complexSubflow.xml");
  ProcessMgr mgr = defDir.processMgr("SystemTest", "complexSub");
  //WfProcess proc = mgr.createProcess(requester);
  WrappedProcess proc = new WrappedProcess(mgr.createProcess(requester));
  proc.start();
  // Wait for completion
  assertTrue(stateReached(proc, "closed.completed"));
  ProcessData data = proc.processContext();
  assertTrue(((String)data.get("sub1Completed"))
       .equals("OK"));
  assertTrue(((String)data.get("sub2Completed"))
       .equals("OK"));
  procDir.removeProcess(proc.getWfProcess());
  defDir.removeProcessDefinition("SystemTest", "complexSub")
  defDir.removeProcessDefinition("SystemTest", "sub1")
  defDir.removeProcessDefinition("SystemTest", "sub2")
  defDir.removeProcessDefinition("SystemTest", "subsub")
    }

    /**
     * Initialisation.
     * The <code>setUp</code> method defines the way a state change is
     * realized. Override this method to change this way.
     * @exception Exception if an error occurs
     */
    protected void setUp() throws Exception {
  super.setUp();
  WorkflowService wfs = WorkflowServiceFactory.newInstance()
      .newWorkflowService();
  try {
      defDir = new WrappedProcessDefinitionDirectory
    (wfs.processDefinitionDirectory());
  } catch(RemoteException exc) {
      System.err.println("Process definition directory not accessible: "
             + exc.getMessage());
      System.exit(-1);
  }

  procDir = wfs.processDirectory();
  requester = new DefaultRequester(wfs);
    }

    private void importProcessDefinition(String name) throws Exception {
  StringBuffer processDefinition = new StringBuffer();
  InputStream is = getClass().getResourceAsStream(name);
  BufferedReader in = new BufferedReader
      (new InputStreamReader(is, "ISO-8859-1"));
  String line = null;
  while ((line = in.readLine())!= null) {
      processDefinition.append(line+"\n");
  }
  try {defDir.importProcessDefinitions(processDefinition.toString());
  } catch (ImportException exc) {
      Iterator msg = exc.messages().iterator();
      while (msg.hasNext()) {
    System.out.println(((PrioritizedMessage)msg.next())
           .message());
      }
  } 
    }

    private boolean stateReached(WrappedProcess proc,
         String procState)
    throws Exception {
  boolean test = true;
  boolean stateReached = false;
  int maxRetries = 100;
  while (test){
      if (maxRetries-- > 0) {
    System.out.println(proc.state());
    if (proc.state().startsWith(procState)) {
        stateReached = true;
        test = false;
    } else {
        Thread.sleep(500);
    }
      } else {
    test = false;
      }
  } 
  return stateReached;
    }
}
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