> I’ve always poo-pood the idea of test-driven development (TDD), as it seems wild to me to write a test for something that you don’t know what it needs to do y

> I’ve always poo-pood the idea of test-driven development (TDD), as it seems wild to me to write a test for something that you don’t know what it needs to do yet Right. If you don't know what it needs to do, why in the HECK would you be writing any code at this point?? If you're just hacking / prototyping, there's no conceivable reason to involve tests.