RSpec 3 is a productive Ruby test framework. We say productive because everything about it—its style, API, libraries, and settings—are designed to support you as you write great software.
Writing effective tests helps you toward that goal of shipping your application. We have a specific definition of effective here: does this test pay for the cost of writing and running it? A good test will provide at least one of these benefits:
Design guidance: helping you distill all those ...