Google’s JavaScript testing tools have been used by many Google developers during the process of web application development. This week Google announced that their JavaScript testing tools are now officially open source, and available for free.
The Google JS Test is used by Google for internal testing of the V8 JavaScript engine that is used by the Chrome web browser. According to Google, the JS Test is responsible for the speed increases that the Chrome browser has seen this year.
In a press release, Google stated that “A requirement for using Google JS Test for a test is that the test and the code it executes be composed of pure JS. That’s not to say that you can’t test code that manipulates the DOM – you can still do so by passing in mock implementations of DOM manipulation functions in your tests.”
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