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React 16 Tooling by Adam Boduch

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The driving philosophy of Jest

In the previous chapter, you learned that the create-react-app tool was created to make developing React applications easier. It does so by eliminating upfront configuration—you go straight to building components. Jest was created with the same purpose in mind, eliminating the upfront boilerplate that you would typically have to create just to start writing tests. In addition to removing the initial unit test configuration factor, Jest has some other tricks up its sleeve. Let's go over some of the driving principles of testing with Jest.

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