Footgun #7 - Improper Test Scope
This mini-post is part of a series about good testing practices, which I also presented at a couple of conferences. Here it is in PyCon US 2023 The root cause of many testing problems is improper test scope, i.e. that their boundaries aren’t appropriate. Test a cohesive whole - complete story My approach here is that a test should verify a cohesive whole, a “complete story”. It can be a large story like an e2e test or a small story that’s part of a bigger story, like a custom sorting function that something else uses. As long as it’s something self-contained - something whole, it might be worth testing. ...
