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package org.apache.cayenne;
import org.apache.cayenne.access.ClientServerChannel;
import org.apache.cayenne.remote.ClientChannel;
import org.apache.cayenne.remote.service.LocalConnection;
import org.apache.cayenne.testdo.mt.ClientMtDeleteCascade;
import org.apache.cayenne.testdo.mt.ClientMtDeleteDeny;
import org.apache.cayenne.testdo.mt.ClientMtDeleteNullify;
import org.apache.cayenne.testdo.mt.ClientMtDeleteRule;
import org.apache.cayenne.unit.AccessStack;
import org.apache.cayenne.unit.CayenneCase;
import org.apache.cayenne.unit.CayenneResources;
public class CayenneContextDeleteRulesTest extends CayenneCase {
@Override
protected AccessStack buildAccessStack() {
return CayenneResources
.getResources()
.getAccessStack(MULTI_TIER_ACCESS_STACK);
}
private CayenneContext createClientContext() {
ClientServerChannel serverChannel = new ClientServerChannel(getDomain());
LocalConnection connection = new LocalConnection(serverChannel);
ClientChannel clientChannel = new ClientChannel(connection);
return new CayenneContext(clientChannel);
}
public void testNullifyToOne() {
CayenneContext context = createClientContext();
ClientMtDeleteNullify object = context
.newObject(ClientMtDeleteNullify.class);
object.setName("object");
ClientMtDeleteRule related = context
.newObject(ClientMtDeleteRule.class);
object.setName("related");
object.setNullify(related);
context.commitChanges();
context.deleteObject(object);
assertFalse(related.getFromNullify().contains(object));
assertNull(object.getNullify());
// And be sure that the commit works afterwards, just for sanity
context.commitChanges();
}
public void testDenyToOne() {
CayenneContext context = createClientContext();
ClientMtDeleteDeny object = context
.newObject(ClientMtDeleteDeny.class);
ClientMtDeleteRule related = context
.newObject(ClientMtDeleteRule.class);
object.setDeny(related);
context.commitChanges();
try {
context.deleteObject(object);
fail("Should have thrown an exception");
}
catch (DeleteDenyException e) {
// expected
}
object.setDeny(null);
context.deleteObject(object);
context.commitChanges();
}
public void testCascadeToOne() {
CayenneContext context = createClientContext();
ClientMtDeleteCascade object = context
.newObject(ClientMtDeleteCascade.class);
object.setName("object");
ClientMtDeleteRule related = context
.newObject(ClientMtDeleteRule.class);
object.setName("related");
object.setCascade(related);
context.commitChanges();
context.deleteObject(object);
assertEquals(PersistenceState.DELETED, related.getPersistenceState());
assertTrue(context.deletedObjects().contains(related));
// And be sure that the commit works afterwards, just for sanity
context.commitChanges();
}
public void testCascadeToOneNewObject() {
CayenneContext context = createClientContext();
ClientMtDeleteRule related = context
.newObject(ClientMtDeleteRule.class);
context.commitChanges();
ClientMtDeleteCascade object = context
.newObject(ClientMtDeleteCascade.class);
object.setName("object");
object.setCascade(related);
context.deleteObject(object);
assertEquals(PersistenceState.TRANSIENT, object.getPersistenceState());
assertEquals(PersistenceState.DELETED, related.getPersistenceState());
assertFalse(context.deletedObjects().contains(object));
assertTrue(context.deletedObjects().contains(related));
context.commitChanges();
}
}