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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

Chapter 8. Build Automation

We saw how to create an application from the ground up using tests with Jasmine. However, as the application grows and the number of files starts to increase, managing the dependencies between them can become a little difficult.

For instance, we have a dependency between the Investment and Stock models, and they must be loaded in a proper order to work. So, we do what we can; we order the loading of the scripts so that Stock is available once Investment is loaded. Here's how we do it:

<script type="text/javascript" src="src/Stock.js"></"script>
<script type="text/javascript" src="src/Investment.js"></"script>

However, that can soon become cumbersome and unmanageable.

Another problem is the number of requests the application uses to load all of its files; it can get up to hundreds once the application starts to grow.

So, we have a paradox here; although it is good to break it up...

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