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

Hello Python 3.15, goodbye 3.10, and now I can use 3.11 - 12th October 2026
A new feature for my blog, built using my voice - 9th October 2026
Claude Haiku 5.5 - 7th October 2026
We're going to need default hard budget caps on pretty much everything - 3rd October 2026

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

django 589 innodb 3 mysql 81 postgresql 160 python 1,291 sqlite 488 testing 95 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