The Cucumber Book, 2nd Edition

Creating a Feature

Cucumber tests are grouped into features. We use this name because we want them to describe the features that a user will be able to enjoy when using our program. The first thing we need to do is make a directory where we’ll store our new program along with the features we’ll be writing for it.

$ mkdir calculator
$ cd calculator

We’re going to let Cucumber guide us through the development of our calculator program, so let’s start by running cucumber in this empty folder:

$ cucumber
No such file or directory - features. Please create a features directory
to get started.

Since we didn’t specify any command-line arguments, Cucumber has assumed that we’re using the conventional features folder to store ...