Re: Test-first modelling

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From: Dov Dori (dori@MIT.EDU)
Date: Fri 12 Jul 2002 - 21:02:56 BST


Please try OPCAT 2.02 which can be downloaded free from

This is the most up-to-date implementation of Object Process Methodology
(OPM) and generates natural language specification in real time in response
to the diagrams.

The book is already published (although the Amazon site says it is not yet
available but it can be ordered):

OPCAT has been used in a Summer Professional Institute course I just
finished teaching at MIT with extremely positive feedback.
I will be glad to get your feedback too.

Dov Dori
----- Original Message -----
From: "Jason Gorman" <>
To: <>
Sent: Friday, July 12, 2002 8:27 AM
Subject: Test-first modelling


I'm curious to know if anyone out there has been experimenting with a
test-first approach to building models (?) I know many analysts and
designers flesh out models using use case scenarios to discover needed
operations, but has anyone gone further and managed to get the process down
to a finer level of granularity? Does anyone build and test their models one
scenario of one operation at a time? Does anyone use "mock types" - the
modelling equivalent of mock objects used by many XP-ers? What about
regression testing of models, or model refactoring?


Jason Gorman
Independant Consultant
+44 7785 712367

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