Learning Behavior-driven Development with JavaScript

Summary

In this chapter, you learned how to use Gherkin and Cucumber.js to write BDD features. This has been a long and hard chapter, because you not only needed to learn a new tool, Cucumber.js, but you also needed to build a set of utilities to make your life easier.

Always write features and scenarios in a language that makes sense and is understandable to the stakeholders. Avoid technical details, such as database structure, identifiers, or low-level operations, in your Gherkin.

It is a best practice to create a custom world object. The world object will be instantiated once before each scenario, so it is a good place to store any information that needs to be accessed by all the steps in the same scenario. In general, keep the code in the step ...