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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
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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
8
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 2. Automating Tests with Mocha, Chai, and Sinon

Before we start making some BDD, let's familiarize ourselves with the basic tools available in JavaScript to write and execute a test. In this chapter, we will explore the main capabilities of Mocha, the most popular test runner in JavaScript. We will perform the following tasks:

  • Writing expressive assertions using the Chai package
  • Creating test doubles using the Sinon and sinon-chai packages
  • Exploring the basic techniques for organizing our test codebase

To achieve these goals, we will perform a small code kata, or coding exercise, where we will be able to practice not only the tools, but also the test-first cycle explained in the previous chapter.

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Learning Behavior-driven development with Javascript
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