← All The Ruby on Rails Podcast episodes
Episode 283: 283: Kill All Mutants with Dave Aronson
The Ruby on Rails Podcast
⏱️ 25 minutes
📅 Published Aug 22, 2019
Show Notes
How good are your tests? Would they still pass if the tested code was changed much? If so, there's probably a problem with your code, your tests, or both! Dave Aronson educated Brittany on how Mutation Testing helps reveal these cases.
Links for this episode:
- Kill All Mutants Abstractions Slides
- Mutation Testing
- Codosaurus, LLC
- Mutant Gem on Github
- Mutest on Github
- Heckle on Github
- Dave Aronson on Twitter (@DaveAronson)
- Episode Music: "Funkorama" by Kevin MacLeod
- Episode Introduction and Outro by Michael Springer
Brought to you by:
Hoefler&Co
A good font is one of the best ways to make your project stand apart. At typography.com, you'll find the work of Hoefler&Co, creators of stylish and high-performance typefaces. And now for a limited time, as a Ruby on Rails listener you'll receive 10% off your next purchase from H&Co. Use code RUBY for your discount at checkout!
More from The Ruby on Rails Podcast
All 544 episodes- Episode 546: Gearing up for Rails World, with Amanda Perino Aug 05, 2026
- Episode 545: Post RubyConf conversation with Neha Abraham Jul 29, 2026
- Episode 544: RubyConf 2026 Hallway Track Jul 22, 2026
- Episode 541: Markus Schirp and Mutation Testing Jul 01, 2026
- Episode 540: Jeremy Smith and Blue Ridge Ruby Jun 24, 2026
Published by The Ruby on Rails Podcast