cayenne-server/src/test/java/org/apache/cayenne/ashwood/AshwoodEntitySorterIT.java

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package org.apache.cayenne.ashwood;

import static org.junit.Assert.assertTrue;

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

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

@UseServerRuntime(CayenneProjects.TESTMAP_PROJECT)
public class AshwoodEntitySorterIT extends ServerCase {

	@Inject
	protected ObjectContext context;

	private EntityResolver resolver;
	private AshwoodEntitySorter sorter;

	private DbEntity artist;
	private DbEntity artistExhibit;
	private DbEntity exhibit;
	private DbEntity gallery;
	private DbEntity painting;
	private DbEntity paintingInfo;

	@Before
	public void before() {

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

		this.artist = resolver.getDbEntity("ARTIST");
		this.artistExhibit = resolver.getDbEntity("ARTIST_EXHIBIT");
		this.exhibit = resolver.getDbEntity("EXHIBIT");
		this.gallery = resolver.getDbEntity("GALLERY");
		this.painting = resolver.getDbEntity("PAINTING");
		this.paintingInfo = resolver.getDbEntity("PAINTING_INFO");
	}

	@Test
	public void testSortDbEntities() {

		List<DbEntity> entities = Arrays.asList(artist, artistExhibit, exhibit, gallery, painting, paintingInfo);
		Collections.shuffle(entities);

		sorter.sortDbEntities(entities, false);

		assertTrue(entities.indexOf(artist) < entities.indexOf(artistExhibit));
		assertTrue(entities.indexOf(artist) < entities.indexOf(painting));
		assertTrue(entities.indexOf(gallery) < entities.indexOf(exhibit));
		assertTrue(entities.indexOf(exhibit) < entities.indexOf(artistExhibit));
		assertTrue(entities.indexOf(painting) < entities.indexOf(paintingInfo));
	}

}