Simon Willison’s Weblog

7th July 2008 - Link Blog

Django Unit Tests and Transactions. If you’re using a transactional database engine (MySQL with InnoDB, Postgres or SQLite) you can speed things up by running each of your unit tests inside a transaction and rolling back in tearDown().

Posted 7th July 2008 at 2:14 pm

Recent articles

My fireside chat about agentic engineering at the Pragmatic Summit - 14th March 2026
Perhaps not Boring Technology after all - 9th March 2026
Can coding agents relicense open source through a “clean room” implementation of code? - 5th March 2026

This is a link post by Simon Willison, posted on 7th July 2008.

django 587 innodb 3 mysql 81 postgresql 158 python 1231 sqlite 446 testing 92 transactions 6

Monthly briefing

Sponsor me for $10/month and get a curated email digest of the month's most important LLM developments.

Pay me to send you less!

Sponsor & subscribe