Testing

What LLMs Can't Guess

What LLMs Can't Guess

In my daily work I use coding agents and other AI tools to help me. This is nothing special anymore, many developers have made the switch. But when I hear colleagues or friends talk about the results [...] Read more

Posted on 22 March 2026 by Mirko Janssen 6 min

Test-Driven Development

Test-Driven Development

A few months ago, I had to read and busy myself with test-driven development (TDD) at work. We had some discussions about what makes good tests, what should be tested, and how to do test-driven [...] Read more

Posted on 01 May 2022 by Mirko Janssen 9 min