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  package org.apache.cayenne.configuration.xml;
  
  import org.apache.cayenne.map.DataMap;
  import org.apache.cayenne.map.SelectQueryDescriptor;
  import org.junit.Test;
  
  import static org.junit.Assert.assertEquals;
  
  /**
   * @since 4.1
   */
  public class PrefetchTypeForSelectQueryHandlerTest extends BaseHandlerTest{
  
      @Test
      public void testLoad() throws Exception {
          final DataMap map = new DataMap();
  
          parse("query", new HandlerFactory() {
              @Override
              public NamespaceAwareNestedTagHandler createHandler(NamespaceAwareNestedTagHandler parent) {
                  return new QueryDescriptorHandler(parent, map);
              }
          });
  
          SelectQueryDescriptor selectQueryDescriptor = (SelectQueryDescriptor) map.getQueryDescriptor("query");
          assertEquals(3, selectQueryDescriptor.getPrefetchesMap().size());
  
          assertEquals(1, (int) selectQueryDescriptor.getPrefetchesMap().get("paintings"));
          assertEquals(2, (int) selectQueryDescriptor.getPrefetchesMap().get("paintings.artist"));
          assertEquals(3, (int) selectQueryDescriptor.getPrefetchesMap().get("paintings.gallery"));
      }
  
  }
  