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 ...

Playwright, a Python library, allows developers to essentially control the browser with a few lines of Python code to automate cross-browser testing for single-page web apps and Progressive Web Apps.

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 ...