Cheers, matthew
On Wednesday, August 6, 2003, at 07:29 AM, Joseph Fifield wrote:
I don't close the session at all in any of my business logic methods. In
deployment, a servlet filter _always_ closes the session at the end of the
request. For unit testing, I have a base test case class that does the same
thing in the tearDown() method. That way, each test case can execute in the
same manner as the app running in deployment (i.e. each test case is like a
separate "request"). The result is each test case executes using the same
session, and they don't need to worry about closing it at the end.
Hope this helps...
Joe
----- Original Message ----- From: "Matthew E.Porter" <[EMAIL PROTECTED]> To: <[EMAIL PROTECTED]> Sent: Tuesday, August 05, 2003 11:12 PM Subject: [Hibernate] Unit Testing With ThreadLocal Sessions
Greetings. I am interested in hearing how people unit test method thathttp://aspnet.click-url.com/go/psa00100003ave/ direct;at.aspnet_072303_01/01
call session.save(), update(), and delete() when the session is
provided via the ThreadLocal pattern. For me, the primary question is
whether or not the method containing the session method calls actually
closes the database connection (session.close()) or is it called after
returning from the tested method. From a pure unit testing
stand-point, it would seem that it would be desired to be called inside
the tested method.
For a project I am working on, we devised a solution (aka hack) to
solve this. A new Session interface implementation was created that
wraps an internal Session object as normally provided. Yet, we added 2
methods: suspendClose() and unsuspendClose(). When closes are suspend,
the connection is NOT closed despite being called. Specifically, it
does not call session.close() on the internal Session object.
When a Session is retrieved, the closes are automatically suspended. The servlet filter unsuspends the close and closes the session if necessary at the end of the request.
Is this a hack? Yes. Does it work? Yes. Do we get the benefits of a
ThreadLocal session? Yes. Can it be confusing to newbies who expect
close to actual close the session? Yes, but it only has this behavior
during deployment.
Any thoughts and comments are welcome.
Cheers, matthew
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