AshwoodEntitySorter_RelationshipsIT.java

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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.SelectQuery;
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.server.CayenneProjects;
import org.apache.cayenne.unit.di.server.ServerCase;
import org.apache.cayenne.unit.di.server.UseServerRuntime;
import org.junit.Before;
import org.junit.Test;

@UseServerRuntime(CayenneProjects.RELATIONSHIPS_PROJECT)
public class AshwoodEntitySorter_RelationshipsIT extends ServerCase {

	@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<?> objects = context.performQuery(new SelectQuery<>(ReflexiveAndToOne.class));
		Collections.shuffle(objects);
		assertEquals(3, objects.size());

		sorter.sortObjectsForEntity(entity, objects, true);

		assertEquals("r3", ((ReflexiveAndToOne) objects.get(0)).getName());
		assertEquals("r2", ((ReflexiveAndToOne) objects.get(1)).getName());
		assertEquals("r1", ((ReflexiveAndToOne) objects.get(2)).getName());

		tReflexiveAndToOne.delete().where("PARENT_ID", 2).execute();
		tReflexiveAndToOne.delete().where("PARENT_ID", 1).execute();
		tReflexiveAndToOne.deleteAll();
	}
}