
Unit Tests That Don't Block Refactoring: Writing Tests That Evolve With Your Code
The Refactoring Paradox Nobody Talks About You’ve heard it a thousand times: “Write unit tests! They’re your safety net! They give you confidence to refactor!” And you know what? That’s absolutely true. Except when it’s not. There’s a peculiar moment in every developer’s career when they discover that their test suite—the very thing that was supposed to liberate them—has become a pair of concrete boots. You need to refactor a class, extract a method, reorganize your module structure, and suddenly half your tests start breaking....
