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  • Book Overview & Buying Learning Behavior-driven development with Javascript
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Learning Behavior-driven development with Javascript

Learning Behavior-driven development with Javascript

By : Enrique Javier A Rubio
4.9 (7)
Buy this Book
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Learning Behavior-driven development with Javascript

Learning Behavior-driven development with Javascript

4.9 (7)
By: Enrique Javier A Rubio
Buy this Book

Overview of this book

This book is ideal for any JavaScript developer who is interested in producing well-tested code. If you have no prior experience with testing, Node.js, or any other tool, do not worry, as they will be explained from scratch.
Table of Contents (12 chapters)
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Preface
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Preface
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What this book covers
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What you need for this book
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Who this book is for
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Conventions
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Reader feedback
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Customer support
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1
1. Welcome to BDD
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1. Welcome to BDD
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The test-first approach
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BDD versus TDD
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Exploring unit testing
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The structure of a test
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What is a good test?
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Summary
2
2. Automating Tests with Mocha, Chai, and Sinon
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2. Automating Tests with Mocha, Chai, and Sinon
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Node and NPM as development platforms
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Configuring your project with NPM
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Introducing Mocha
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More expressive assertions with Chai
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Red/Green/Refactor
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Test doubles with Sinon
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Summary
3
3. Writing BDD Features
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3. Writing BDD Features
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Introducing myCafé
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Writing features
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Testing asynchronous features
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Organizing our test code
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Finishing our feature
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Summary
4
4. Cucumber.js and Gherkin
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4. Cucumber.js and Gherkin
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Getting started with Gherkin and Cucumber.js
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Writing advanced scenarios
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Useful Cucumber.js features
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Cucumber.js or Mocha?
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Summary
5
5. Testing a REST Web API
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5. Testing a REST Web API
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The approach
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Testing the GET order feature
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Testing slave resources
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Summary
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6. Testing a UI Using WebDriverJS
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6. Testing a UI Using WebDriverJS
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Our strategy for UI testing
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WebDriverJS
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Testing a rich Internet application
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Summary
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7. The Page Object Pattern
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7. The Page Object Pattern
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Introducing the Page Object pattern
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A page object for a rich UI
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Summary
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8. Testing in Several Browsers with Protractor and WebDriver
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8. Testing in Several Browsers with Protractor and WebDriver
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Testing in several browsers with WebDriver
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Welcome Protractor!
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Summary
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9. Testing Against External Systems
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9. Testing Against External Systems
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Writing good test doubles
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Testing against external systems
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Summary
10
10. Final Thoughts
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10. Final Thoughts
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TDD versus BDD
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A roadmap to BDD
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Concluding the book
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Next steps?
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Summary
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Index
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Index

Chapter 4. Cucumber.js and Gherkin

In the last two chapters we covered how to effectively use Mocha from the point of view of BDD, but Mocha is not the only option we have. There are plenty of test runners that we could have used to implement our BDD tests. Other tools such as Vows (http://vowsjs.org/) work perfectly well (some claim even better than Mocha) to do BDD. However, I have chosen Mocha because it is the most popular tool and because all the things that you have learned with it can be easily applied to other tools. Nonetheless, I would not consider this book complete if I did not show you another tool for comparison purposes, and this tool is Cucumber.js.

In this chapter:

  • We will explore how to write BDD features using Gherkin
  • You will learn how to automate features written in Gherkin using Cucumber.js
  • We will write several helper codes that will simplify this automation
  • You will learn the World object pattern used in Cucumber.js
  • We will migrate the feature we wrote in the...
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Learning Behavior-driven development with Javascript
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