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  package org.apache.cayenne.ashwood;
  
  import static org.junit.Assert.assertEquals;
  
  import java.sql.Types;
  import java.util.Collections;
  import java.util.List;
  
  import org.apache.cayenne.ObjectContext;
  import org.apache.cayenne.di.Inject;
  import org.apache.cayenne.map.ObjEntity;
  import org.apache.cayenne.query.ObjectSelect;
  import org.apache.cayenne.test.jdbc.DBHelper;
  import org.apache.cayenne.test.jdbc.TableHelper;
  import org.apache.cayenne.testdo.relationships.ReflexiveAndToOne;
  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.Before;
  import org.junit.Test;
  
  @UseCayenneRuntime(CayenneProjects.RELATIONSHIPS_PROJECT)
  public class AshwoodEntitySorter_RelationshipsIT extends RuntimeCase {
  
  	@Inject
  	protected DBHelper dbHelper;
  
  	@Inject
  	protected ObjectContext context;
  
  	private TableHelper tRelationshipHelper;
  	private TableHelper tReflexiveAndToOne;
  
  	private AshwoodEntitySorter sorter;
  
  	@Before
  	public void setUp() throws Exception {
  		this.sorter = new AshwoodEntitySorter();
  		sorter.setEntityResolver(context.getEntityResolver());
  
  		tRelationshipHelper = new TableHelper(dbHelper, "RELATIONSHIP_HELPER");
  		tRelationshipHelper.setColumns("RELATIONSHIP_HELPER_ID", "NAME");
  
  		tReflexiveAndToOne = new TableHelper(dbHelper, "REFLEXIVE_AND_TO_ONE");
  		tReflexiveAndToOne.setColumns("REFLEXIVE_AND_TO_ONE_ID", "PARENT_ID", "RELATIONSHIP_HELPER_ID", "NAME")
  				.setColumnTypes(Types.INTEGER, Types.INTEGER, Types.INTEGER, Types.VARCHAR);
  	}
  
  	@Test
  	public void testSortObjectsForEntityReflexiveWithFaults() throws Exception {
  
  		tRelationshipHelper.insert(1, "rh1");
  		tReflexiveAndToOne.insert(1, null, 1, "r1");
  		tReflexiveAndToOne.insert(2, 1, 1, "r2");
  		tReflexiveAndToOne.insert(3, 2, 1, "r3");
  
  		ObjEntity entity = context.getEntityResolver().getObjEntity(ReflexiveAndToOne.class);
  
  		List<ReflexiveAndToOne> objects = ObjectSelect.query(ReflexiveAndToOne.class).select(context);
  		Collections.shuffle(objects);
  		assertEquals(3, objects.size());
  
  		sorter.sortObjectsForEntity(entity, objects, true);
  
  		assertEquals("r3", objects.get(0).getName());
  		assertEquals("r2", objects.get(1).getName());
  		assertEquals("r1", objects.get(2).getName());
  
  		tReflexiveAndToOne.delete().where("PARENT_ID", 2).execute();
  		tReflexiveAndToOne.delete().where("PARENT_ID", 1).execute();
  		tReflexiveAndToOne.deleteAll();
  	}
  }
  