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Book Cover
E-book
Author Gupta, Ravi Kumar, author

Title Test-driven JavaScript development : learn JavaScript test-driven development using popular frameworks and tools / Ravi Kumar Gupta, Hetal Prajapati, Harmeet Singh
Published Birmingham, UK : Packt Publishing, 2015

Copies

Description 1 online resource : illustrations
Series Community experience distilled
Community experience distilled.
Contents Cover; Copyright; Credits; About the Authors; About the Reviewers; www.PacktPub.com; Table of Contents; Preface; Conventions; Chapter 1: Overview of TDD; Complexity of web pages; Understanding test-driven development; The need for testing; Types of testing; The life cycle of TDD; TDD microcycle; Agile and TDD; Benefits of TDD and common myths; Benefits; Myths; Summary; Chapter 2: Testing Concepts; Unit testing; Unit testing frameworks; YUI Tests; Following the process; Preparing the environment; Following the life cycle; Writing a test; Running the test and seeing if test fails
Writing a production codeRunning all tests; Cleaning up the code; Repeat; Using the browser console; setUp() and tearDown(); Test suites; Actions and assertions; Actions; Assertions; Benefits and pitfalls; Benefits of unit testing; Pitfalls of unit testing; Summary; Chapter 3: Testing Tools; JsUnit; Getting started; Writing tests; Running tests; QUnit; Getting started; Writing tests; Running tests; Karma with Jasmine; Getting started; Writing tests; Running tests; DalekJS; Getting started; Writing tests; Actions; Assertions; Running tests; Summary; Chapter 4: Jasmine
Understanding behavior-driven developmentSetting up Jasmine; describe and specs; Expectations; Matchers; Set up and tear down; Spies; Tracking spies using calls; Creating a custom spy; Jasmine clock; Creating a custom matcher; Creating a custom equality tester; Asynchronous calls; The Jasmine Ajax plugin; Nesting suites; Disabling suites and specs; Summary; Chapter 5: JsTestDriver; JsTestDriver; Overview; Getting started; Writing tests; Assertions; Capturing the browser; Restructuring your project; The configuration file; Running tests using the command prompt
Setting up JsTestDriver with IDERunning the tests; Running Jasmine specs; Code coverage; Summary; Chapter 6: Feature Detection; Understanding feature detection; Available methods and libraries; has.js; Writing custom tests; Modernizr; Downloading and setting up Modernizr; How it works; Using Modernizr; Polyfills; Loading polyfills; Supported browsers; Browser detection; User agent sniffing; Object detection; Features testing with Modernizr; CSS features; HTML5 features; Miscellaneous features; Plugins for additional tests; Modernizr methods; Modernizr.prefixed(); Modernizr.prefixedCSS()
Modernizr.mq()Modernizr.on(); Modernizr.atRule(); Modernizr.addTest(); Modernizr.testStyles(); Modernizr.testProp(); Modernizr.testAllProps(); Modernizr.hasEvent(); Modernizr._prefixes and Modernizr._domPrefixes; Undetectable features; Summary; Chapter 7: Observer Design Pattern; Overview; When to use it; Advantages; Disadvantages; Different implementations of the observer; Event dispatcher/listener; Publish/subscribe; Push versus pull; Sample code; Understanding patterns in API; Observer with topics; Observer pattern using jQuery. Callbacks; Implementing the observer pattern using TDD
Summary Annotation Learn JavaScript test-driven development using popular frameworks and toolsAbout This Book Learn the life cycle of TDD and its importance in real-world application Gain knowledge about popular tools and analyze features, syntax, and how they help in JavaScript testing Implement test-driven programming exercises using the practical code examplesWho This Book Is ForIf you have an intermediate knowledge of HTML, CSS, and JavaScript and want to learn how and why the test-driven development approach is better for your assignments, then this book is for you. What You Will Learn Basic TDD fundamentals, life cycle, and benefits Become acquainted with the concepts and elements of unit testing and writing basic unit tests for JavaScript Understand the way JsUnit, Qunit, Karma and DalekJs work Use the Jasmine framework Interpret feature detection and devise tests specific to cross-browser compatibility Integrate jsTestDriver with Eclipse and run tests with jsTestDriver Explore re-factoring, adding and notifying observers Understand test-driven development in case of server-side JSIn DetailInitially, all processing used to happen on the server-side and simple output was the response to web browsers. Nowadays, there are so many JavaScript frameworks and libraries created that help readers to create charts, animations, simulations, and so on. By the time a project finishes or reaches a stable state, so much JavaScript code has already been written that changing and maintaining it further is tedious. Here comes the importance of automated testing and more specifically, developing all that code in a test-driven environment. Test-driven development is a methodology that makes testing the central part of the design process before writing code developers decide upon the conditions that code must meet to pass a test. The end goal is to help the readers understand the importance and process of using TDD as a part of development. This book starts with the details about test-driven development, its importance, need, and benefits. Later the book introduces popular tools and frameworks like YUI, Karma, QUnit, DalekJS, JsUnit and goes on to utilize Jasmine, Mocha, Karma for advanced concepts like feature detection, server-side testing, and patterns. We are going to understand, write, and run tests, and further debug our programs. The book concludes with best practices in JavaScript testing. By the end of the book, the readers will know why they should test, how to do it most efficiently, and will have a number of versatile tests (and methods for devising new tests) to get to work immediately. Style and approachEasy-to-follow guide with suitable examples for developing JavaScript code in the test-Driven environment, with popular tools and frameworks. User experience and statements are also included to help readers make a better choice of tool for real-world projects
Notes Includes index
Online resource; title from PDF title page (EBSCO, viewed May 3, 2016)
Subject JavaScript (Computer program language)
COMPUTERS -- Programming Languages -- JavaScript.
JavaScript (Computer program language)
Form Electronic book
Author Prajapati, Hetal, author
Singh, Harmeet, author
ISBN 9781785288746
1785288741
1782174923
9781782174929