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  • Book Overview & Buying Jasmine JavaScript Testing Update
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Jasmine JavaScript Testing Update

Jasmine JavaScript Testing Update

By : Paulo Vitor Zacharias Ragonha
4.2 (14)
Buy this Book
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Jasmine JavaScript Testing Update

Jasmine JavaScript Testing Update

4.2 (14)
By: Paulo Vitor Zacharias Ragonha
Buy this Book

Overview of this book

This book is for web developers and designers who work with React.js and JavaScript and who are new to unit testing and automation. It's assumed that you have a basic knowledge of JavaScript and HTML.
Table of Contents (10 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. Getting Started with Jasmine
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1. Getting Started with Jasmine
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JavaScript – the bad parts
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Jasmine and behavior-driven development
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Downloading Jasmine
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Summary
2
2. Your First Spec
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2. Your First Spec
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The Investment Tracker application
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Jasmine basics and thinking in BDD
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Setup and teardown
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Nested describes
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Summary
3
3. Testing Frontend Code
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3. Testing Frontend Code
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Thinking in terms of components (Views)
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The module pattern
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Using HTML fixtures
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Basic View coding rules
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Testing Views with jQuery matchers
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Summary
4
4. Asynchronous Testing – AJAX
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4. Asynchronous Testing – AJAX
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Acceptance criterion
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Setting up the scenario
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Writing the spec
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Summary
5
5. Jasmine Spies
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5. Jasmine Spies
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The "bare" spy
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Spying on an object's functions
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Testing DOM events
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Summary
6
6. Light Speed Unit Testing
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6. Light Speed Unit Testing
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Jasmine stubs
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Jasmine Ajax
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Summary
7
7. Testing React Applications
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7. Testing React Applications
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Project setup
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Our first React component
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The Virtual DOM
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JSX
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Component attributes (props)
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Component events
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Component state
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Component life cycle
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Composing components
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Summary
8
8. Build Automation
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8. Build Automation
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Module bundler – webpack
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Test runner: Karma
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Quick feedback loop
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Optimizing for production
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Static code analysis: JSHint
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Continuous integration – Travis-CI
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Summary
9
Index
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Index

Jasmine Ajax

Jasmine Ajax is an official plugin developed to help out the testing of AJAX requests. It changes the browser's AJAX request infrastructure to a fake implementation.

This fake (or mocked) implementation, although simpler, still behaves like the real implementation to any code using its API.

Installing the plugin

Before we dig into the spec implementation, first we need to add the plugin to the project. Go to https://github.com/jasmine/jasmine-ajax/ and download the current release (which should be compatible with the Jasmine 2.x release). Place it inside the lib folder.

It is also needed to be added to the SpecRunner.html file, so go ahead and add another script:

<script type="text/javascript" src="lib/mock-ajax.js"></script>

A fake XMLHttpRequest

Whenever you are using jQuery to make AJAX requests, under the hood it is actually using the XMLHttpRequest object to perform the request.

XMLHttpRequest is the standard JavaScript HTTP API. Even though its name suggests that it...

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