Mutation testing (FizzBuzz)

The application demonstrating how mutation testing works, presented at Pykonik Tech Talks #61.

Mutation tests are presented here using a simple game example: FizzBuzz.

Slides from the presentation can be found here.

Prerequisites

• Python 3.9

Setup

• Create a new, clean virtual environment with Python 3.9

• Install requirements:

  pip install -r requirements.txt
  

Usage

• Run the FizzBuzz script:

  python fizzbuzz.py 1 15
  

• Run tests without mutations:

  pytest
  

• Run tests with mutations:

  mutmut run
  mutmut results
  mutmut show <id>