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  package org.apache.cayenne.map;
  
  import org.apache.cayenne.di.Inject;
  import org.apache.cayenne.reflect.ArcProperty;
  import org.apache.cayenne.reflect.ClassDescriptor;
  import org.apache.cayenne.reflect.ClassDescriptorFactory;
  import org.apache.cayenne.reflect.LazyClassDescriptorDecorator;
  import org.apache.cayenne.reflect.PropertyDescriptor;
  import org.apache.cayenne.runtime.CayenneRuntime;
  import org.apache.cayenne.testdo.mt.MtTable1;
  import org.apache.cayenne.testdo.mt.MtTable2;
  import org.apache.cayenne.unit.di.runtime.CayenneProjects;
  import org.apache.cayenne.unit.di.runtime.RuntimeCase;
  import org.apache.cayenne.unit.di.runtime.UseCayenneRuntime;
  import org.junit.Test;
  
  import static org.junit.Assert.assertEquals;
  import static org.junit.Assert.assertNotNull;
  import static org.junit.Assert.assertNotSame;
  import static org.junit.Assert.assertSame;
  import static org.junit.Assert.assertTrue;
  import static org.mockito.Mockito.mock;
  import static org.mockito.Mockito.when;
  
  @UseCayenneRuntime(CayenneProjects.MULTI_TIER_PROJECT)
  public class EntityResolverClassDescriptorIT extends RuntimeCase {
  
      @Inject
      private CayenneRuntime runtime;
  
      @Test
      public void testDescriptorCaching() {
          EntityResolver resolver = runtime.getDataDomain().getEntityResolver();
          resolver.getClassDescriptorMap().clearDescriptors();
  
          ClassDescriptor descriptor = resolver.getClassDescriptor("MtTable1");
          assertNotNull(descriptor);
          assertSame(descriptor, resolver.getClassDescriptor("MtTable1"));
          resolver.getClassDescriptorMap().clearDescriptors();
  
          ClassDescriptor descriptor1 = resolver.getClassDescriptor("MtTable1");
          assertNotNull(descriptor1);
          assertNotSame(descriptor, descriptor1);
      }
  
      @Test
      public void testDescriptorFactory() {
          EntityResolver resolver = runtime.getDataDomain().getEntityResolver();
          resolver.getClassDescriptorMap().clearDescriptors();
  
          ClassDescriptor descriptor = mock(ClassDescriptor.class);
          ClassDescriptorFactory factory = mock(ClassDescriptorFactory.class);
          when(factory.getDescriptor("MtTable1")).thenReturn(descriptor);
          
          resolver.getClassDescriptorMap().addFactory(factory);
          try {
              ClassDescriptor resolved = resolver.getClassDescriptor("MtTable1");
              assertNotNull(resolved);
              resolved = ((LazyClassDescriptorDecorator) resolved).getDescriptor();
              assertSame(descriptor, resolved);
          }
          finally {
              resolver.getClassDescriptorMap().removeFactory(factory);
          }
      }
  
      @Test
      public void testArcProperties() {
          EntityResolver resolver = runtime.getDataDomain().getEntityResolver();
          resolver.getClassDescriptorMap().clearDescriptors();
  
          ClassDescriptor descriptor = resolver.getClassDescriptor("MtTable1");
          assertNotNull(descriptor);
  
          PropertyDescriptor p = descriptor.getProperty(MtTable1.TABLE2ARRAY.getName());
          assertTrue(p instanceof ArcProperty);
  
          ClassDescriptor target = ((ArcProperty) p).getTargetDescriptor();
          assertNotNull(target);
          assertSame(resolver.getClassDescriptor("MtTable2"), target);
          assertNotNull(((ArcProperty) p).getComplimentaryReverseArc());
          assertEquals(MtTable2.TABLE1.getName(), ((ArcProperty) p)
                  .getComplimentaryReverseArc()
                  .getName());
      }
  }
  