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 *  regarding copyright ownership.  The ASF licenses this file
 *  to you under the Apache License, Version 2.0 (the
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package org.apache.cayenne.access;

import org.apache.cayenne.ObjectContext;
import org.apache.cayenne.PersistenceState;
import org.apache.cayenne.di.Inject;
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.testmap.Painting;
import org.apache.cayenne.testdo.testmap.PaintingInfo;
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.Test;

import java.util.List;

import static org.junit.Assert.assertEquals;
import static org.junit.Assert.assertTrue;

/**
 * A test case for CAY-788.
 */
@UseServerRuntime(CayenneProjects.TESTMAP_PROJECT)
public class DataContextPrefetchExtras1IT extends ServerCase {

    @Inject
    protected ObjectContext context;

    @Inject
    protected DBHelper dbHelper;

    protected void createDataSet() throws Exception {

        TableHelper tPainting = new TableHelper(dbHelper, "PAINTING");
        tPainting.setColumns("PAINTING_ID", "PAINTING_TITLE");

        TableHelper tPaintingInfo = new TableHelper(dbHelper, "PAINTING_INFO");
        tPaintingInfo.setColumns("PAINTING_ID", "TEXT_REVIEW");

        for (int i = 1; i <= 10; i++) {
            tPainting.insert(i, "P" + i);
            tPaintingInfo.insert(i, "Review #" + i);
        }
    }

    @Test
    public void testPrefetchToOne() throws Exception {
        createDataSet();

        SelectQuery query = new SelectQuery(Painting.class);
        query.addPrefetch(Painting.TO_PAINTING_INFO.disjoint());

        List<Painting> objects = context.performQuery(query);
        assertTrue(!objects.isEmpty());
        for (Painting p : objects) {
            PaintingInfo pi = p.getToPaintingInfo();
            assertEquals(PersistenceState.COMMITTED, p.getPersistenceState());
            assertEquals(PersistenceState.COMMITTED, pi.getPersistenceState());
        }
    }

}