I have an issue regarding updating an object using JDO2 in my testcase
and I just cannot figure out what I am doing wrong. The simple usecase
I am trying is - "a user object is fetched by the DAO, the user
modifies something on the UI and hits "save" which updates the guy in
the db".
Before I tried dozer and the likes I wanted to try out the simple
scenario using a junit from the DAO's perspective. Here is the
testcase source:
PersistenceManager pm = factory.getPersistenceManager();
Transaction tx = pm.currentTransaction();
tx.begin();
User user = fetchUser(pm);
tx.commit();
pm.close();
//change something
user.setEmail("j...@samiam.com");
user.getEmployee().setFirstName("John");
String[] loadedFieldNames =
NucleusJDOHelper.getDetachedObjectLoadedFields(user, pm);
String[] dirtyFieldNames =
NucleusJDOHelper.getDetachedObjectDirtyFields(user, pm);
System.out.println("loaded ------> " + Arrays.asList
(loadedFieldNames));
System.out.println("dirty ------> " + Arrays.asList
(dirtyFieldNames));
pm = factory.getPersistenceManager();
tx = pm.currentTransaction();
tx.begin();
pm.makePersistent(user);
tx.commit();
pm.close();
pm = factory.getPersistenceManager();
tx = pm.currentTransaction();
tx.begin();
user = fetchUser(pm);
tx.commit();
pm.close();
assertEquals("j...@samiam.com", user.getEmail()); <--------
ASSERT FAILS
A couple of things...
1) I am detaching the "User" object that is returned from the fetchUser
() method using pm.detachCopy().
2) In the SOP I can see that the email attribute is dirty on the user
object.
3) If I use a single transaction for the entire testcase, it works.
Obviously though, I need separate transactions.
4) There are no exceptions thrown anyplace.
Can someone point out what I am doing wrong here? I might be missing
something small.
Thanks.
-stam
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