Testing Before Release

Part of the Vibe Coding: Prototype to Production course

So far in this course you have added real sign-up and login, a proper data layer, and protection against common attacks to the project you built in the fundamentals course. Every one of those changes touched the product, and any change can quietly break something that used to work. This lesson is about gaining the confidence that it did not, so you can release without holding your breath.

Manual testing means using your own product the way a real person would, step by step, and checking that each thing works. You open the product, you sign up, you log in, you do the main task, and you watch for anything wrong. It is the most basic kind of testing and you should never skip it. ...