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feat(docs): docs for testing library #747

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36 changes: 36 additions & 0 deletions docs/pages/faq.md
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Expand Up @@ -151,3 +151,39 @@ This is because the example app is configured as a Yarn workspace, and there is
```yml
nodeLinker: node-modules
```



## Testing with React Native testing library

To test with React Native testing library, you may need to use `@react-native/babel-preset` preset for test environment in `babel.config.js` file.

```js
// babel.config.js
module.exports = {
presets: ['module:react-native-builder-bob/babel-preset'],
env: {
test: {
presets: ['module:@react-native/babel-preset'],
},
},
};
```
Then update the jest config in your `package.json` file.

```json
// package.json
"jest": {
"preset": "react-native",
"modulePathIgnorePatterns": [
"<rootDir>/example/node_modules",
"<rootDir>/lib/"
],
"transformIgnorePatterns": [
"node_modules/(?!(jest-)?react-native|@react-native|@react-native-community|react-native-reanimated)"
],
"setupFilesAfterEnv": [
"@testing-library/react-native/extend-expect"
]
},
```
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