Test-driven JavaScript Development

Test-driven JavaScript Development

by Ravi Kumar Gupta


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Test-driven JavaScript Development by Ravi Kumar Gupta

Learn JavaScript test-driven development using popular frameworks and tools

About 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 examples

Who This Book Is For

If 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 JS

In Detail

Initially, 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 approach

Easy-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.

Product Details

ISBN-13: 9781782174929
Publisher: Packt Publishing
Publication date: 12/31/2015
Pages: 240
Product dimensions: 7.50(w) x 9.25(h) x 0.51(d)

About the Author

Ravi Kumar Gupta is an open source software evangelist and Liferay expert. He pursued M.S. degree in software system from BITS Pilani and B.Tech from LNMIIT, Jaipur. His technological forte is portal management and development using Liferay along with popular JavaScript libraries.

He is currently working as a lead consultant with CIGNEX Datamatics. He was a core member of the open source group at TCS, where he started working on Liferay and other UI technologies. During his career, he has been involved in building enterprise solutions using latest technologies with rich user interfaces and open source tools.

He loves to spend time writing, learning, and discussing new technologies. He is an active member of the Liferay forum. He also writes technical articles for his blog at TechD of Computer World (http://techdc.blogspot.in). He has been a Liferay trainer at TCS and CIGNEX, where he has provided training on Liferay 5.x and 6.x versions. He was also a reviewer for the book Learning Bootstrap by Packt.

He can be reached on Skype at kravigupta and on Twitter at @kravigupta. Connect with him on LinkedIn at http://in.linkedin.com/in/kravigupta.

Hetal Prajapati is a technical lead working with CIGNEX Datamatics. She is from Gandhinagar, the capital city of the vibrant state of Gujarat. She did her masters in IT from Dhirubhai Ambani Institute of Information and Communication Technology, Gandhinagar. Her expertise includes designing and developing solutions for Enterprise Content Management portals.

She has been involved in building enterprise solutions using Liferay and other open source technologies across different domains. She has been involved in imparting training for Liferay using Liferay 5.x and 6.x. Apart from Liferay, Hetal has also worked on many other technologies and frameworks, such as Java, MongoDB, Spring, Hibernate, jQuery, JavaScript, and AngularJS. She loves to listen to music and read books in her free time. She can be reached on Twitter at @hetalp84. You can also connect with her on LinkedIn at http://in.linkedin.com/in/hetalprajapati.

Harmeet Singh is a Sr. UI Developer working for Cignex Datamatics with varied experience in UI. He hails from the holy city of Amritsar, India. His expertise includes HTML5, JavaScript, jQuery, AngularJS, NodeJS, and more. His interests include music, sports, dancing, and adventures.

Harmeet has given various presentations and conducted workshops on UI development. On the academic front, Harmeet is a graduate in IT and a GNIIT diploma holder from NIIT specializing in software engineering. He can be reached on Skype at harmeetsingh090. You can also connect with him on LinkedIn at https://in.linkedin.com/in/harmeetsingh090.

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