Behaviour-Driven Development is a second-generation agile methodology with a strong focus on communication. In BDD, specifications are expressed through examples in the form of scenarios.
Originally written in Ruby, Cucumber is popular a tool for automating and validating a system against its scenarios.
This is an introduction to Cucumber.js. After briefly exposing the history and goals of the project, I'll demonstrate how to write features and scenarios, step definitions, hooks, support code, how to invoke Cucumber.js from both Node.js and browser environments. And of course, you'll see how to integrate it with your Ruby and Rails projects, because - yes - it works well with them.
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