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package org.apache.cayenne.access;
import java.util.List;
import java.util.Map;
import org.apache.cayenne.CayenneRuntimeException;
import org.apache.cayenne.ObjectContext;
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.NoPkTestEntity;
import org.apache.cayenne.unit.di.server.ServerCase;
import org.apache.cayenne.unit.di.server.UseServerRuntime;
@UseServerRuntime(ServerCase.TESTMAP_PROJECT)
public class DataContextNoPkTest extends ServerCase {
@Inject
protected ObjectContext context;
@Inject
protected DBHelper dbHelper;
@Override
protected void setUpAfterInjection() throws Exception {
TableHelper noPkTestTable = new TableHelper(dbHelper, "NO_PK_TEST", "ATTRIBUTE1");
noPkTestTable.deleteAll();
noPkTestTable.insert(1);
noPkTestTable.insert(2);
}
public void testNoPkFetchObjects() throws Exception {
try {
List objects = context.performQuery(new SelectQuery(NoPkTestEntity.class));
fail("Query for entity with no primary key must have failed, instead we got "
+ objects.size()
+ " rows.");
}
catch (CayenneRuntimeException ex) {
// exception expected
}
}
public void testNoPkFetchDataRows() throws Exception {
SelectQuery query = new SelectQuery(NoPkTestEntity.class);
query.setFetchingDataRows(true);
List rows = context.performQuery(query);
assertNotNull(rows);
assertEquals(2, rows.size());
Map row1 = (Map) rows.get(0);
Map row2 = (Map) rows.get(1);
// assert that rows have different values
// (there was a bug earlier that fetched distinct rows for
// entities with no primary key.
assertTrue(!row1.get("ATTRIBUTE1").equals(row2.get("ATTRIBUTE1")));
}
}