Testing Shallow Renderer

[charBap]

#1572

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[alexkrolick]

@charBap Thank you for taking the time to start on this issue 😃. It looks like what you've written so far is about Enzyme, which is a third-party package. React has its own set of test utilities: react-test-renderer, react-test-renderer/shallow, react-dom/test-utils.

The existing docs are here:

• https://reactjs.org/docs/shallow-renderer.html
• https://reactjs.org/docs/test-utils.html

And the source is here:

• https://github.com/facebook/react/blob/master/packages/react-dom/src/test-utils/ReactTestUtils.js
• https://github.com/facebook/react/tree/master/packages/react-test-renderer

If you're still interested in updating the docs for these packages, you are welcome to, if not, what you have could make a good blog post.

[threepointone]

We're moving away from recommending shallow rendering, so I'm going to close this. Thank you for your PR!