Fix documentation for React Native

[Parasrah]

Description

The documentation instructs users to install react-native-mock, which does not work with more recent versions of react due to it's usage of a deprecated API

Proposal

I'm not really sure what the appropriate solution for this is, whether to add a footnote to the documentation regarding recent versions of react-native/react, or finding a more reliable library/solution for the problem.

Thanks for the awesome utility! You've made a lot of lives easier! 🥇

[iwilsonq]

+1

I 'm using Expo to setup a React Native app but I want to be able to use Enzyme to help me with testing rather than react-test-renderer. I'm having difficulty setting this up and it looks like react-native-mock is not compatible with recent versions of RN?

[ljharb]

You'd need a react native adapter to use enzyme with React Native.

The docs should be updated; in the meantime, please follow #1436.

[shawnaxsom]

I can help with the docs here. I have React Native working with Enzyme, and actually with deep rendering with mount() too using jsdom. I didn't have to use react-native-mock or react-native-mock-renderer to get it to work (and those solutions made the DOM and snapshots harder to read so I wouldn't recommend them).

I'm assuming it should work with Expo also @iwilsonq, let me know if you still need help getting Enzyme to work.

[shawnaxsom]

We opened sourced our boilerplate project where I have Enzyme set up with React Native, if anyone wants an example to look at:

React Native mobile boilerplate with Enzyme

• https://github.com/ProminentEdge/mobile-boilerplate

Relevant files in the repo for Jest / Enzyme:

• https://github.com/ProminentEdge/mobile-boilerplate/blob/master/jest.config.js
• https://github.com/ProminentEdge/mobile-boilerplate/blob/master/setup-tests.js
• https://github.com/ProminentEdge/mobile-boilerplate/blob/master/src/screens/todo-list/todo-list.test.tsx

[shawnaxsom]

Documentation PR #1873 is up.