How to write test cases for JavaScript

Question

I have Rails Application which uses JavaScript Extensively.

I would like to know is there any tool (Similar to Rspec, Cucumber For Rails)using which i can test the JS Code Written in my application.

What is the best practice to ensure that your JS is proper?

Answer 1

There are several JavaScript unit testing tools. Among the ones I have used are:

• QUnit
• JSUnit
• Jasmine

Web searches for these will turn up lots of comparisons, tutorials, and other articles about using them. There's an article here on using Jasmine with Rails.

There's a nice article here comparing several JavaScript testing suites for use with Rails.