I'm just testing that I've got exceptions for all the things which can go wrong.
This seems like a good candidate for Mock objects. Instead of a true DBI object, create an object that would fail the first prepare call it gets and pass it to your code in your tests.

In reply to Re: How can I make DBI's prepare() fail? [MySQL] by Anonymous Monk
in thread How can I make DBI's prepare() fail? [MySQL] by Cody Fendant

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