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  package org.apache.cayenne.gen;
  
  import org.apache.cayenne.map.CallbackDescriptor;
  import org.apache.cayenne.map.DataMap;
  import org.apache.cayenne.map.DbAttribute;
  import org.apache.cayenne.map.DbEntity;
  import org.apache.cayenne.map.ObjAttribute;
  import org.apache.cayenne.map.ObjEntity;
  import org.junit.After;
  import org.junit.Before;
  import org.junit.Test;
  
  import java.util.LinkedHashSet;
  import java.util.Set;
  
  import static org.junit.Assert.assertFalse;
  import static org.junit.Assert.assertTrue;
  
  
  public class EntityUtilsTest {
      
      protected EntityUtils entityUtils = null;
      protected DataMap dataMap = null;
      protected ObjEntity objEntity = null;
      
      @Before
      public void setUp() throws Exception {
          dataMap = new DataMap();
          objEntity = new ObjEntity();
      }
      
      @After
      public void tearDown() throws Exception {
          dataMap = null;
          objEntity = null;
          entityUtils = null;
      }
  
      @Test
      public void testAllCallbackNamesUnique() throws Exception {
          
          CallbackDescriptor[] callbacks = objEntity.getCallbackMap().getCallbacks();
          for (int i = 0; i < callbacks.length; i++) {
              callbacks[i].addCallbackMethod("callback1");
              callbacks[i].addCallbackMethod("callback2");
              callbacks[i].addCallbackMethod("callback3");
          }
          entityUtils = new EntityUtils(dataMap, objEntity, "TestBaseClass", "TestSuperClass", "TestSubClass");
          
          boolean hasNoDuplicates = true;
          Set<String> callbackNames = new LinkedHashSet<String>();
          for (String cbName : entityUtils.getCallbackNames()) {
              if (!callbackNames.add(cbName)) {
                  hasNoDuplicates = false;
              }
          }
          
          assertTrue("Contains duplicate callback names.", hasNoDuplicates);
      }
  
      @Test
      public void testDeclaresDbAttribute() throws Exception {
  
          DbEntity dbEntity = new DbEntity("test");
          DbAttribute exists = new DbAttribute("testKey");
          DbAttribute notExists = new DbAttribute("testKey1");
          dbEntity.addAttribute(exists);
  
          ObjAttribute attribute = new ObjAttribute("exists");
          attribute.setDbAttributePath("testKey");
          objEntity.addAttribute(attribute);
  
          objEntity.setName("test");
          objEntity.setDbEntity(dbEntity);
          dataMap.addDbEntity(dbEntity);
          dataMap.addObjEntity(objEntity);
  
          entityUtils = new EntityUtils(dataMap, objEntity, "TestBaseClass", "TestSuperClass", "TestSubClass");
  
          assertTrue(entityUtils.declaresDbAttribute(exists));
          assertFalse(entityUtils.declaresDbAttribute(notExists));
  
      }
  }
  