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  package org.apache.cayenne.map;
  
  import org.apache.cayenne.configuration.BaseConfigurationNodeVisitor;
  import org.apache.cayenne.util.XMLEncoder;
  import org.junit.Test;
  
  import java.io.PrintWriter;
  import java.io.StringWriter;
  import java.sql.Types;
  
  import static org.junit.Assert.*;
  
  public class DbEntityTest {
  
      @Test
      public void testEncodeAsXML() {
          DbEntity entity = new DbEntity("X");
          entity.setSchema("s");
          entity.setCatalog("c");
  
          // intentionally randomize attribute order .. must be saved in alphabetical order by name
          entity.addAttribute(new DbAttribute("a2", Types.VARCHAR, entity));
          entity.addAttribute(new DbAttribute("a1", Types.INTEGER, entity));
          entity.addAttribute(new DbAttribute("a3", Types.BIGINT, entity));
  
          // relationships are saved outside the entity, so should be ignored in this test
          entity.addRelationship(new DbRelationship("r1"));
  
          StringWriter out = new StringWriter();
          XMLEncoder encoder = new XMLEncoder(new PrintWriter(out));
          entity.encodeAsXML(encoder, new EncoderDummyVisitor());
  
          String ls = System.lineSeparator();
  
          assertEquals("<db-entity name=\"X\" schema=\"s\" catalog=\"c\">" + ls +
                  "<db-attribute name=\"a1\" type=\"INTEGER\"/>" + ls +
                  "<db-attribute name=\"a2\" type=\"VARCHAR\"/>" + ls +
                  "<db-attribute name=\"a3\" type=\"BIGINT\"/>" + ls +
                  "</db-entity>" + ls, out.toString());
      }
  
      private class EncoderDummyVisitor extends BaseConfigurationNodeVisitor<Object> {
  
          @Override
          public Object visitDbEntity(DbEntity entity) {
              return null;
          }
  
          @Override
          public Object visitDbAttribute(DbAttribute attribute) {
              return null;
          }
  
          @Override
          public Object visitDbRelationship(DbRelationship relationship) {
              return null;
          }
      }
  }
  