Build confidence with a pyramid of tests — many unit, fewer integration, fewer end-to-end, a few smoke; each level brings different benefits and together they make a codebase changeable while doubling as documentation, design feedback, and a refactoring safety net. Load when deciding how to test som
Build confidence with a pyramid of tests — many unit, fewer integration, fewer end-to-end, a few smoke; each level brings different benefits and together they make a codebase changeable while doubling as documentation, design feedback, and a refactoring safety net. Load when deciding how to test something, when weighing whether to mock a dependency, after a bug shipped that the tests didn't catch,