Welcome to RSpec! In this part of the book, you’re going to get acquainted with the framework as you write your first few working tests.
First, you’ll install RSpec and write your first few specs—RSpec’s lingo for tests. RSpec’s API is all about deciding how you want your code to behave and expressing that decision in your specs. Once you’ve got the basics down, we can’t resist showing you a few of the things that make RSpec special.