Your test suite tells you about the quality of your code under test.

Mutation testing is a way to tell you about the quality of your test suite.

Anders Hovmöller wrote mutmut for mutation testing in Python, and can be used with pytest, unittest, and others.

In this episode, Anders explains mutation testing, how mutation testing with mutmut works, and good workflows.

Special Guest: Anders Hovmöller.

Sponsored By:

• Electronic Specifier Insights: Podcast with reviews from electronics shows and latest tech electronics companies are releasing
• PyCharm Professional: Try PyCharm Pro for 4 months and learn how PyCharm will save you time. Promo Code: TESTANDCODE22

Links:

• mutmut · PyPI
• cosmic-ray · PyPI
• MutPy · PyPI
• parso · PyPI
• mutmut documentation
• Ned Batchelder article on mutmut