/**
    * Copyright 2005-2011 The Kuali Foundation
    *
    * Licensed under the Educational Community License, Version 2.0 (the "License");
    * you may not use this file except in compliance with the License.
    * You may obtain a copy of the License at
    *
    * http://www.opensource.org/licenses/ecl2.php
    *
   * Unless required by applicable law or agreed to in writing, software
   * distributed under the License is distributed on an "AS IS" BASIS,
   * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
   * See the License for the specific language governing permissions and
   * limitations under the License.
   */
  package org.kuali.rice.kew.actions;
  
  import static org.junit.Assert.assertEquals;
  import static org.junit.Assert.assertNotNull;
  import static org.junit.Assert.assertTrue;
  
  import org.junit.Test;
  import org.kuali.rice.kew.api.WorkflowDocument;
  import org.kuali.rice.kew.api.WorkflowDocumentFactory;
  import org.kuali.rice.kew.api.action.ActionRequest;
  import org.kuali.rice.kew.api.action.ActionTaken;
  import org.kuali.rice.kew.api.exception.WorkflowException;
  import org.kuali.rice.kew.engine.node.Branch;
  import org.kuali.rice.kew.engine.node.BranchState;
  import org.kuali.rice.kew.test.KEWTestCase;
  
  /**
   * Test case that tests setting and getting variables, both programmatically
   * and via the "SetVar" node; stolen directly from ApproveActionTest.testPreapprovals
   * @author Kuali Rice Team (rice.collab@kuali.org)
   */
  public class VariablesTest extends KEWTestCase {
  
  	private static final org.apache.log4j.Logger LOG = org.apache.log4j.Logger.getLogger(VariablesTest.class);
  
      protected void loadTestData() throws Exception {
          loadXmlFile("ActionsConfig.xml");
      }
  
      private void dumpInfoAboutDoc(WorkflowDocument doc) throws WorkflowException {
          LOG.info("\tDoc: class=" + doc.getDocumentTypeName() + " title=" + doc.getTitle() + " status=" + doc.getStatus());
          LOG.info("\tActionRequests:");
          for (ActionRequest ar: doc.getRootActionRequests()) {
              LOG.info("\t\tId: " + ar.getId() + " PrincipalId: " + ar.getPrincipalId() + " ActionRequested: " + ar.getActionRequested() + " ActionTaken: " + (ar.getActionTaken() != null ? ar.getActionTaken().getActionTaken() : null) + " NodeName: " + ar.getNodeName() + " Status:" + ar.getStatus());
          }
          LOG.info("\tActionTakens:");
          for (ActionTaken at: doc.getActionsTaken()) {
              LOG.info("\t\tId: " + at.getId() + " PrincipalId: " + at.getPrincipalId() + " ActionTaken: " + at.getActionTaken());
          }
          LOG.info("\tNodeNames:");
          for (String name: doc.getNodeNames()) {
              LOG.info("\t\t" + name);
          }
      }
  
      public void dumpBranch(Branch b) {
          LOG.info("Branch: " + b.getBranchId() + " " + b.getName());
          for (BranchState bs: b.getBranchState()) {
              LOG.info(bs.getBranchStateId() + " " + bs.getKey() + " " + bs.getValue());
          }
      }
  
      @Test public void testVariables() throws Exception {
          WorkflowDocument doc = WorkflowDocumentFactory.createDocument(getPrincipalIdForName("rkirkend"), "VariablesTest");
          doc.route("");
  
          //rock some preapprovals and other actions...
          doc = WorkflowDocumentFactory.loadDocument(getPrincipalIdForName("ewestfal"), doc.getDocumentId());
          dumpInfoAboutDoc(doc);
          doc.setVariable("myexcellentvariable", "righton");
          doc.approve("");
          assertEquals("startedVariableValue", doc.getVariableValue("started"));
          assertEquals("startedVariableValue", doc.getVariableValue("copiedVar"));
  
          doc = WorkflowDocumentFactory.loadDocument(getPrincipalIdForName("user2"), doc.getDocumentId());
          assertEquals("righton", doc.getVariableValue("myexcellentvariable"));
          doc.setVariable("vartwo", "two");
          doc.setVariable("myexcellentvariable", "ichangedit");
          doc.acknowledge("");
  
          doc = WorkflowDocumentFactory.loadDocument(getPrincipalIdForName("user3"), doc.getDocumentId());
          assertEquals("ichangedit", doc.getVariableValue("myexcellentvariable"));
          assertEquals("two", doc.getVariableValue("vartwo"));
          doc.setVariable("another", "another");
          doc.setVariable("vartwo", null);
          doc.complete("");
  
          //approve as the person the doc is routed to so we can move the documen on and hopefully to final
          doc = WorkflowDocumentFactory.loadDocument(getPrincipalIdForName("user1"), doc.getDocumentId());
          assertEquals("ichangedit", doc.getVariableValue("myexcellentvariable"));
          assertEquals(null, doc.getVariableValue("vartwo"));
          assertEquals("another", doc.getVariableValue("another"));
          doc.approve("");
  
         assertEquals("endedVariableValue", doc.getVariableValue("ended"));
         assertNotNull(doc.getVariableValue("google"));
         LOG.info(doc.getVariableValue("google"));
         assertEquals("documentContentendedVariableValue", doc.getVariableValue("xpath"));
         LOG.info(doc.getVariableValue("xpath"));
 
         assertEquals("aNewStartedVariableValue", doc.getVariableValue("started"));
 
         assertTrue("the document should be final", doc.isFinal());
     }
 }