Cucumber Recipes

Recipe 9

Run Your Features Automatically with Guard and Growl

Problem

You’re in the zone, jumping back and forth between adding new scenarios and filling in step definitions. Every time you have to switch to the command line and rerun Cucumber, it disrupts your train of thought. You want Cucumber to run your tests automatically whenever you save a change to one of your project files.

Ingredients

• Guard,^[55] a Ruby library for watching project files

• Guard::Cucumber,^[56] a Cucumber-aware plug-in for Guard

• A desktop notification system such as Growl for Mac,^[57] Growl for Windows,^[58] or Snarl for Linux^[59] to tell you when the tests are done

• ruby_gntp,^[60] a Ruby library for sending desktop notifications

Solution

Guard is an open source library ...