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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.query;

import org.apache.cayenne.ObjectContext;
import org.apache.cayenne.di.Inject;
import org.apache.cayenne.test.jdbc.DBHelper;
import org.apache.cayenne.test.jdbc.TableHelper;
import org.apache.cayenne.testdo.testmap.Artist;
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;

import java.util.List;

import static org.junit.Assert.assertEquals;

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

    @Inject
    protected ObjectContext context;

    @Inject
    protected DBHelper dbHelper;

    protected TableHelper tArtist;

    @Before
    public void setUp() throws Exception {
        tArtist = new TableHelper(dbHelper, "ARTIST");
        tArtist.setColumns("ARTIST_ID", "ARTIST_NAME");
    }

    protected void creatArtistsDataSet() throws Exception {
        tArtist.insert(33001, "c");
        tArtist.insert(33002, "b");
        tArtist.insert(33003, "f");
        tArtist.insert(33004, "d");
        tArtist.insert(33005, "a");
        tArtist.insert(33006, "e");
    }

    @Test
    public void testOrdering() throws Exception {

        creatArtistsDataSet();

        SelectQuery query = new SelectQuery("Artist");
        query.addOrdering(Artist.ARTIST_NAME.asc());

        query.setFetchLimit(4);

        List<?> results = context.performQuery(query);
        assertEquals(4, results.size());

        assertEquals("a", ((Artist) results.get(0)).getArtistName());
        assertEquals("b", ((Artist) results.get(1)).getArtistName());
        assertEquals("c", ((Artist) results.get(2)).getArtistName());
        assertEquals("d", ((Artist) results.get(3)).getArtistName());
    }
}