Cucumber Recipes

Recipe 4

Refactor to Extract Your Own Application Driver DSL

Problem

Your step definition code is growing out of control. When you jump down the stack from your nice, readable Cucumber scenarios into the step definitions behind them, you’re suddenly besieged by masses of Ruby code. You have a nagging feeling that there are little bits of duplication all over the place, but you just can’t see it. You need to clean things up.

Ingredients

• Ruby’s built-in module^[28] mixins

• Cucumber’s built-in World method^[29] for registering extension modules

• The capybara gem^[30] for automating browsers

• The Firefox web browser^[31]

Solution

In this recipe, we’ll start with an existing Cucumber scenario for testing a website. The step definitions are difficult ...