Python provides a mechanism for testing code snippets that are provided in Python docstrings. The unit test framework pytest provides a mechanism for running doctests against both docstrings in source ...

A project for collecting notes on the functionality of pytest. The goal is to provide working examples that you can run and observe to understand the pytest behaviour. It is not intended to as ...

Testing functions isn't hard, but how do you test user input and output? In my last article, I started looking at "pytest", a framework for testing Python programs that's really changed the way I look ...

The pytest people agree, and they suggest the use of "parametrized tests". The idea here is that you define the test a single time, but tell pytest which inputs and outputs to provide. You can do this ...