/**
    * 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.rule;
  
  import org.junit.Test;
  import org.kuali.rice.core.api.util.ClassLoaderUtils;
  import org.kuali.rice.kew.rule.bo.RuleTemplateBo;
  import org.kuali.rice.kew.rule.bo.RuleTemplateAttributeBo;
  import org.kuali.rice.kew.service.KEWServiceLocator;
  import org.kuali.rice.kew.test.KEWTestCase;
  
  import java.util.List;
  
  import static org.junit.Assert.*;
  
  /**
   * Tests the RuleTemplateAttribute class.
   * 
   * @author Kuali Rice Team (rice.collab@kuali.org)
   */
  public class RuleTemplateAttributeTest extends KEWTestCase {
  
      protected void loadTestData() throws Exception {
          loadXmlFile("RuleTemplateAttributeTestConfig.xml");
      }
  
      @Test
      public void testGetWorkflowAttribute() throws Exception {
          RuleTemplateBo template = KEWServiceLocator.getRuleTemplateService().findByRuleTemplateName("TemplateWithRuleValidationAttribute");
          List<RuleTemplateAttributeBo> ruleTemplateAttributes = (List<RuleTemplateAttributeBo>) template.getRuleTemplateAttributes();
          int index = 0;
          for (RuleTemplateAttributeBo ruleTemplateAttribute : ruleTemplateAttributes) {
              boolean runtimeThrown = false;
              WorkflowRuleAttribute attribute = null;
              try {
                  attribute = ruleTemplateAttribute.getWorkflowAttribute();
              } catch (RuntimeException e) {
                  runtimeThrown = true;
              }
              if (index == 0) {
                  // should be the TestRuleAttribute
                  assertFalse("RuntimeException should not have been thrown.", runtimeThrown);
                  assertNotNull("Attribute should exist.", attribute);
                  attribute = (WorkflowRuleAttribute) ClassLoaderUtils.unwrapFromProxy(attribute);
                  assertEquals("Should be TestRuleAttribute", TestRuleAttribute.class, attribute.getClass());
              } else if (index == 1) {
                  // should be the TestRuleDelegationAttribute so should be null
                  assertTrue("RuntimeException should have been thrown.", runtimeThrown);
                  assertNull("This should be the rule delegation attribute, not a WorkflowAttribute.", attribute);
              }
              index++;
          }
      }
  
      @Test
      public void testIsWorkflowAttribute() throws Exception {
          RuleTemplateBo template = KEWServiceLocator.getRuleTemplateService().findByRuleTemplateName("TemplateWithRuleValidationAttribute");
          List<RuleTemplateAttributeBo> ruleTemplateAttributes = (List<RuleTemplateAttributeBo>) template.getRuleTemplateAttributes();
          int index = 0;
          for (RuleTemplateAttributeBo ruleTemplateAttribute : ruleTemplateAttributes) {
              boolean isWorkflowAttribute = ruleTemplateAttribute.isWorkflowAttribute();
              Object attribute = ruleTemplateAttribute.getAttribute();
              attribute = ClassLoaderUtils.unwrapFromProxy(attribute);
              if (index == 0) {
                  // should be the TestRuleAttribute
                  assertNotNull(attribute);
                  assertEquals("Should be TestRuleAttribute", TestRuleAttribute.class, attribute.getClass());
                  assertTrue("TestRuleAttribute is a workflow attribute.", isWorkflowAttribute);
              } else if (index == 1) {
                  // should be the TestRuleValidationAttribute so should be null
                  assertEquals("Should be TestRuleValidationAttribute", TestRuleValidationAttribute.class, attribute.getClass());
                  assertFalse("TestRuleValidationAttribute is not a workflow attribute", isWorkflowAttribute);
              }
              index++;
          }
      }
  
  }