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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());
}
}