I’m a fan of ATDD. Whenever I start a new feature I try to describe it in form of BDD or SBE tests. Why it’s important to me? It’s not only about having tests in the project but also about having control over development. These tests and code coverage metric is my feedback loop over … Read more
Mutation testing is a concept that I heard some time ago but lately on anti-if course (I highly recommend!) done by Andrzej Krzywda I had a chance to use it in practice. I notice a big difference in the number of mutations generated by different frameworks (mutmut, cosmic-ray, and mutpy) when I was refactoring Gilded … Read more
Basic tox config Let’s start with a basic config that will run unittest and measure coverage. Important option here is usedevelop = true. With this it won’t install your package to virtualnenv and coverage can be measured. Another thing is to erase previous coverage reports. Codestyle Next, I wanted to check the codestyle. I use pycodestyle, … Read more
Sometimes I found myself in a situation where it’s hard to understand what some components suppose to achieve. In these situations, I go to test where scenarios/contracts of this component should be.But then I find some integrations tests with some entries in DB and expected mechanical results.My strategy in this situation is to refactor test … Read more
