[EuroPython 2023 — Terrace 2B on 2023-07-19] https://ep2023.europython.eu/session/the-power-of-spec-based-testingadding-functional-requirements-to-unit-test Testing is a crucial part of the software development process. But, with so many testing techniques available, it can be challenging to know which one to use. While unit testing is a popular technique, it's not always the most effective or efficient way to ensure software quality. In this talk, we’ll explore spec-based testing, a technique that focuses on verifying that the software behaves in accordance with its specifications or requirements. This work is licensed under a Creative Commons Attribution-NonCommercial-ShareAlike 4.0 International License http://creativecommons.org/licenses/by-nc-sa/4.0/