/**
    * 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.routing;
  
  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.test.KEWTestCase;
  import org.kuali.rice.kew.test.TestUtilities;
  import org.kuali.rice.kim.api.services.KimApiServiceLocator;
  
  import java.util.List;
  
  import static org.junit.Assert.assertTrue;
  
  public class RoutingWithEmptyWorkGroupTest extends KEWTestCase {
  
  	protected void loadTestData() throws Exception {
  		loadXmlFile("RoutingWithEmptyGroupConfig.xml");
  	}
  
  	@Test public void testRoutingToEmptyWorkgroup() throws Exception {
  
  		String user1PrincipalId = getPrincipalIdForName("user1");
  		String user2PrincipalId = getPrincipalIdForName("user2");
  
  		WorkflowDocument doc = WorkflowDocumentFactory.createDocument(user1PrincipalId, "EmptyWorkgroupDocType");
  
  		doc = WorkflowDocumentFactory.loadDocument("user1", doc.getDocumentId());
  
  		doc.route("");
  
  		// the document should skip node 1 because it is routing to user1, it should
  		// skip node 2 (effectively) because that node is using a group with no members,
  		// and then it should land on node 3 being in user 2's action list
  		
  		doc = WorkflowDocumentFactory.loadDocument(user2PrincipalId, doc.getDocumentId());
  		
  		assertTrue("Document should be enroute", doc.isEnroute());
  		TestUtilities.assertAtNode(doc, "Node3");
  		
  		TestUtilities.assertInActionList(user2PrincipalId, doc.getDocumentId());
  		
  		// verify that an action request was generated at Node 2 to the "EmptyWorkgroup" but was immediately deactivated
  		List<ActionRequest> actionRequests = doc.getRootActionRequests();
  		for (ActionRequest actionRequest : actionRequests) {
  			if ("Node2".equals(actionRequest.getNodeName())) {
  				assertTrue("action request should be for a group", actionRequest.isGroupRequest());
  				assertTrue("action request should be marked as \"done\"", actionRequest.isDone());
  				assertTrue("Group should have no members.", KimApiServiceLocator.getGroupService().getMemberPrincipalIds(
                          actionRequest.getGroupId()).isEmpty());
  			}
  		}
  	}
  }