Coding with REact like a game developer, React Native meets async functions, and unit testing React components without a DOM
When unit testing React components the common approach has been to render them into a DOM and run some assertions against them with the help of the React TestUtils. This has changed in 0.13 where an early implementation of shallow rendering is now ready to use. In this article, Simon talks through how to utilize shallow rendering for more efficient testing.
JSXTransformer is going away, so there's no better time to switch to Babel. In this very precise article, Stoyan gives you the bare minimum you need to switch over from JSXTransformer to Babel.