How to test React sites and apps

Test React
(Image credit: Future)

If you want to know how to test React, you're in the right place. Do you really know your code does what it is supposed to do? Have you tested it in the browser? What if you haven’t, or you can’t test everything, and it breaks in production?

A testing library is a group of utilities developers use to write individual tests on application components. Some of the principle parts of a test are:

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Ben is a designer and developer at Zopa. He specialises in JavaScript, React and UX.