devonestes
Muzak & Muzak Pro - Mutation testing for Elixir
I’ve just made Muzak and Muzak Pro available!
Muzak is a mutation testing library for Elixir applications, and Muzak Pro is the full-featured version of Muzak designed for business use. You can find more information about Muzak and Muzak Pro in this announcement post: Devon C. Estes
And here are two videos, one showing getting started with Muzak: https://www.youtube.com/watch?v=3WU94iVhc9w
and a second showing getting started with Muzak Pro and some of the features included in it: https://www.youtube.com/watch?v=P301R28IuTI
I’d love to hear what folks think!
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First Post!
davearonson
Great timing! I’ve just been toying with the idea of doing some mutation testing workshops/demos in various languages, and have been checking out the tools.
The randomness of the subset in the free version is an interesting tweak. Makes it hard to tell for sure if you’ve killed some particular mutant, if it’s generating the full 25. But, if we don’t care too much about that, and just keep picking random mutants and killing them (which is my intended approach so far in the main part of the demo), we should eventually get down to under 25.
BTW there’s an active discussion on the mutation testing discord channel (I @-mentioned you in a thread about it on Twitter and I think Markus Schirp posted an invite code there), about terminology, such as better terms for “killed”, that won’t turn so many people off.
Most Liked
devonestes
That is what it’s saying, but I also think I see what might be the issue. I have a feeling that after we mutate and recompile
lib/protox/float.ex, the other files that had called that macro don’t get recompiled, which is why it doesn’t end in a compilation error. I had thought that this wouldn’t happen, but I’ll put together a test and then push up a fix if that is indeed what’s happening.devonestes
Thanks for that! I’ve just pushed v 1.0.3 which fixes that issue.
Last Post!
devonestes
Happy you’re interested! I’m still supporting the pro version if anyone has any issues or questions, and I’d be happy to answer any other questions you have.