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package org.apache.cayenne.unit.jira;
import java.sql.Types;
import java.util.List;
import org.apache.cayenne.access.DataContext;
import org.apache.cayenne.di.Inject;
import org.apache.cayenne.exp.Expression;
import org.apache.cayenne.exp.ExpressionFactory;
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.relationship.ReflexiveAndToOne;
import org.apache.cayenne.unit.di.server.ServerCase;
import org.apache.cayenne.unit.di.server.UseServerRuntime;
/**
* Testing qualifier translator correctness on reflexive relationships.
*/
// TODO: this is really a qualifier translator general test... need to
// find an appropriate place in unit tests..
@UseServerRuntime(ServerCase.RELATIONSHIPS_PROJECT)
public class CAY_194Test extends ServerCase {
@Inject
protected DataContext context;
@Inject
private DBHelper dbHelper;
@Override
protected void setUpAfterInjection() throws Exception {
TableHelper tReflexive = new TableHelper(dbHelper, "REFLEXIVE_AND_TO_ONE");
tReflexive.setColumns("REFLEXIVE_AND_TO_ONE_ID", "PARENT_ID");
tReflexive.update().set("PARENT_ID", null, Types.INTEGER).execute();
dbHelper.deleteAll("REFLEXIVE_AND_TO_ONE");
dbHelper.deleteAll("TO_ONEFK1");
}
public void testQualifyOnToMany() {
ReflexiveAndToOne ox = context.newObject(ReflexiveAndToOne.class);
ox.setName("ox");
ReflexiveAndToOne o1 = context.newObject(ReflexiveAndToOne.class);
o1.setName("o1");
ReflexiveAndToOne o2 = context.newObject(ReflexiveAndToOne.class);
o2.setName("o2");
o2.setToParent(o1);
context.commitChanges();
Expression qualifier = ExpressionFactory.matchExp("children", o2);
List<?> parents = context.performQuery(new SelectQuery(
ReflexiveAndToOne.class,
qualifier));
assertEquals(1, parents.size());
assertSame(o1, parents.get(0));
qualifier = ExpressionFactory.matchExp("children", o1);
parents = context
.performQuery(new SelectQuery(ReflexiveAndToOne.class, qualifier));
assertEquals(0, parents.size());
}
public void testQualifyOnToOne() {
ReflexiveAndToOne ox = context.newObject(ReflexiveAndToOne.class);
ox.setName("ox");
ReflexiveAndToOne o1 = context.newObject(ReflexiveAndToOne.class);
o1.setName("o1");
ReflexiveAndToOne o2 = context.newObject(ReflexiveAndToOne.class);
o2.setName("o2");
o2.setToParent(o1);
context.commitChanges();
Expression qualifier = ExpressionFactory.matchExp("toParent", o1);
List<?> children = context.performQuery(new SelectQuery(
ReflexiveAndToOne.class,
qualifier));
assertEquals(1, children.size());
assertSame(o2, children.get(0));
}
}