May or may not be a sign. :) The script is dead simple... I am faily sure I got the design right. I'd still be curious to see what you think about it, but I can't post it here since there are some company/business specific details and once I remove them there isn't much of the script left.

And I naturally came across DBD::Mock once I started looking at Test::MockObject... I think DBD::Mock could be a solution to this and many other testing needs. Thank you!