AshwoodEntitySorter_InheritanceIT.java

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package org.apache.cayenne.ashwood;

import org.apache.cayenne.ObjectContext;
import org.apache.cayenne.di.Inject;
import org.apache.cayenne.map.DbEntity;
import org.apache.cayenne.map.EntityResolver;
import org.apache.cayenne.unit.di.server.CayenneProjects;
import org.apache.cayenne.unit.di.server.PeopleProjectCase;
import org.apache.cayenne.unit.di.server.UseServerRuntime;
import org.junit.Before;
import org.junit.Test;

import java.util.Arrays;
import java.util.Collections;
import java.util.List;

import static org.junit.Assert.assertTrue;

@UseServerRuntime(CayenneProjects.PEOPLE_PROJECT)
public class AshwoodEntitySorter_InheritanceIT extends PeopleProjectCase {

	@Inject
	protected ObjectContext context;

	private EntityResolver resolver;
	private AshwoodEntitySorter sorter;

	private DbEntity address;
	private DbEntity clientCompany;
	private DbEntity department;
	private DbEntity person;
	private DbEntity personNotes;

	@Before
	public void before() {

		this.resolver = context.getEntityResolver();
		this.sorter = new AshwoodEntitySorter();
		sorter.setEntityResolver(resolver);

		this.address = resolver.getDbEntity("ADDRESS");
		this.clientCompany = resolver.getDbEntity("CLIENT_COMPANY");
		this.department = resolver.getDbEntity("DEPARTMENT");
		this.person = resolver.getDbEntity("PERSON");
		this.personNotes = resolver.getDbEntity("PERSON_NOTES");
	}

	@Test
	public void testSortDbEntities() {

		List<DbEntity> entities = Arrays.asList(address, clientCompany, department, person, personNotes);
		Collections.shuffle(entities);

		sorter.sortDbEntities(entities, false);

		assertTrue(entities.indexOf(person) < entities.indexOf(personNotes));
		assertTrue(entities.indexOf(clientCompany) < entities.indexOf(person));
		assertTrue(entities.indexOf(person) < entities.indexOf(address));

		// this is actually undefined as person depends on department, and
		// department depends on person
		// assertTrue(entities.indexOf(person) < entities.indexOf(department));
	}

}