pytest is a framework written in Python that helps in creating and automating test cases. It is easy to learn and takes a lot of the work out of writing and managing test cases. In particular, only the logic for the test cases itself needs to be implemented. Unlike some other frameworks, there is no need to learn a large number of functions to set up test assertions; one is enough.
The module unittest, which is integrated in Python, is less easy to handle than pytest and therefore less common. Details about both can be found ...