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* to you under the Apache License, Version 2.0 (the
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* http://www.apache.org/licenses/LICENSE-2.0
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package org.apache.cayenne.access;
import java.math.BigDecimal;
import java.util.List;
import org.apache.cayenne.ObjectContext;
import org.apache.cayenne.di.Inject;
import org.apache.cayenne.query.EJBQLQuery;
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.ServerCase;
import org.apache.cayenne.unit.di.server.UseServerRuntime;
@UseServerRuntime(ServerCase.TESTMAP_PROJECT)
public class DataContextEJBQLArrayResultTest extends ServerCase {
@Inject
protected ObjectContext context;
@Inject
protected DBHelper dbHelper;
@Override
protected void setUpAfterInjection() throws Exception {
dbHelper.deleteAll("PAINTING_INFO");
dbHelper.deleteAll("PAINTING");
dbHelper.deleteAll("ARTIST_EXHIBIT");
dbHelper.deleteAll("ARTIST_GROUP");
dbHelper.deleteAll("ARTIST");
TableHelper tArtist = new TableHelper(dbHelper, "ARTIST");
tArtist.setColumns("ARTIST_ID", "ARTIST_NAME");
tArtist.insert(33001, "AA1");
tArtist.insert(33002, "AA2");
tArtist.insert(33003, "BB1");
tArtist.insert(33004, "BB2");
TableHelper tPainting = new TableHelper(dbHelper, "PAINTING");
tPainting.setColumns(
"PAINTING_ID",
"ARTIST_ID",
"PAINTING_TITLE",
"ESTIMATED_PRICE");
tPainting.insert(33001, 33001, "P1", 3000);
tPainting.insert(33002, 33002, "P2", 5000);
tPainting.insert(33003, null, "P3", 5000);
}
public void testSQLResultSetMappingScalar() throws Exception {
String ejbql = "SELECT count(p) FROM Painting p JOIN p.toArtist a";
EJBQLQuery query = new EJBQLQuery(ejbql);
List<?> objects = context.performQuery(query);
assertEquals(1, objects.size());
Object o1 = objects.get(0);
assertEquals(new Long(2), o1);
}
public void testSQLResultSetMappingScalars() throws Exception {
String ejbql = "SELECT count(p), sum(p.estimatedPrice) FROM Painting p JOIN p.toArtist a";
EJBQLQuery query = new EJBQLQuery(ejbql);
List<?> objects = context.performQuery(query);
assertEquals(1, objects.size());
Object o1 = objects.get(0);
assertTrue("Expected Object[]: " + o1, o1 instanceof Object[]);
Object[] array1 = (Object[]) o1;
assertEquals(2, array1.length);
assertEquals(new Long(2), array1[0]);
assertEquals(0, new BigDecimal(8000).compareTo((BigDecimal) array1[1]));
}
public void testSQLResultSetMappingMixed() throws Exception {
String ejbql = "SELECT count(p), a, sum(p.estimatedPrice) "
+ "FROM Artist a LEFT JOIN a.paintingArray p "
+ "GROUP BY a ORDER BY a.artistName";
EJBQLQuery query = new EJBQLQuery(ejbql);
List<?> objects = context.performQuery(query);
assertEquals(4, objects.size());
Object o1 = objects.get(0);
assertTrue("Expected Object[]: " + o1, o1 instanceof Object[]);
Object[] array1 = (Object[]) o1;
assertEquals(3, array1.length);
assertEquals(new Long(1), array1[0]);
assertTrue("Expected Artist, got: " + array1[1], array1[1] instanceof Artist);
assertEquals(0, new BigDecimal(3000).compareTo((BigDecimal) array1[2]));
}
}