Simon Willison’s Weblog

24th June 2009 - Link Blog

Test-Driven Heresy. Tim Bray advocates TDD for maintenance development, but argues that it may not be as useful during the exploratory, greenfield development phase of a project.

Posted 24th June 2009 at 11:03 am

Recent articles

Anthropic's Project Glasswing - restricting Claude Mythos to security researchers - sounds necessary to me - 7th April 2026
The Axios supply chain attack used individually targeted social engineering - 3rd April 2026
Highlights from my conversation about agentic engineering on Lenny's Podcast - 2nd April 2026

This is a link post by Simon Willison, posted on 24th June 2009.

tdd 5 testing 93 tim-bray 55

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