Post contents If you've spent much time in software development, you've undoubtedly heard the expression “test-driven development” or "TDD" for short. The idea behind TDD is that you should write tests before programming an implementation. For example, say you want to implement a function called calculateUserScore based on a user's K/D in a video game. According to TDD, you should start by writing unit or integration tests to validate the input to an expected set of outputs. Starting with tests ...