Top 5 Javascript testing tools for your web developer


Javascript testing tools

Javascript testing (Javascript unit test) is an essential part when your developer is using logic in his code. Like hundreds of other things in the world of JavaScript , there are many choices for how to unit test the code. To help you save time when setting up a web development project, We’ve highlighted some of our favorite test runners in this article. However, first of all you need to know why Javascript testing is necessary.

Why Javascript testing (Javascript unit test)? Javascript testing tools

If you haven’t yet started your JavaScript testing, you might wonder why you’d want to test client-side code.

Well, the simple rule is : If it has logic that your developer wrote himself, then it needs tests. Since we’re putting more and more logic on our front end codes, we need tests! Unit tests make refactoring easier and ensure code scalability.

Hence, let’s talk about the top JavaScript testing tools in details to save some time of your developers:

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JasmineJavascript testing tools

Jasmine is one of the most popular Javascript unit testing frameworks. It’s use is wide. It has test runners for Python and Ruby too. It is described as “a behavior-driven development framework for testing JavaScript code

It is very easy to get started in Jasmine. If your developer is new to  JavaScript unit testing, the authors conveniently have standalone distributions of Jasmine that can be run in a browser. Jasmine is one of the most preferred test runners all across. Here are some key features of Jasmine:

  • Simple to setup
  • Supported by many CIs (Codeship, Travic, etc.)
  • Descriptive syntax for BDD testing
  • Lots of extendability – 3th party libraries like jasmine-jquery, jasmine-dom, jasmine-react etc.

QUnit :  Javascript testing tools

QUnit is a powerful, easy-to-use testing framework used by jQuery. Specifically saying, it can be used in jQuery Mobile projects, jQuery UI and is capable of testing any generic JavaScript code, including itself. It’s created with the intention of easy DOM testing. While Jasmine can be extended with plugins to make DOM testing quicker, QUnit comes with build-in functions. Here are some key features of QUnit:

  • Lot’s of support
  • CI support
  • In-build support

Mocha: JavaScript testing tools

Mocha is an all-rounder testing tool that allows your developer to choose the preferred taxonomy (assert, expect, should), and a long list of features including coverage reporting, notifications, and more. It’s easily installed with npm, the node package manager, and you can install it globally to get some extra helpers. Here are some key features of Mocha

  • Easy to setup
  • Allow use of any assertion library – Must.js, Chai, expect.js,  etc.
  • CI support
  • Highly extensible
  • Easy async testing

TapeJavaScript testing tools

Tape is great at keeping it simple and modular.

“You can probably dramatically simplify both your tests and your application by breaking your app into more modular chunks.” – Eric Elliott

Tape is a simple TAP-producing test library for node and browsers. The tape API is a small superset of the node core assert module. Here are some key features of  Tape.

  • Easy to setup
  • Cross browser compatibility
  • CI support

KarmaJavaScript testing tools

A “spectacular” test runner for Java-Script (the project was initially called Testacular), Karma is very easy to get up and running to do your JavaScript testing. Your test runner is important for your process, so hopefully you are or plan to eventually run your tests in a continuous integration environment to ensure the code quality. Here are some key points of Karma.

  • CI support
  • Highly extensible
  • Easy async testing

Wrapping Up

Overall, out of hundreds of testing tools in JavaScript, these are the most used Javascript testing frameworks. However, if you are mostly focused on Node.JS then Mocha can be Magical for you. Then, if you’re interested in end-to-end testing or integration testing, we recommend checking out CasperJS for browser scripting. You can also keep your eye on Protractor if AngularJS interests you.

If you want any assistance in web development or application testing, you can contact PixelCrayons: the leading end-to-end web development company in India.


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