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Update README.md jest mock sample #231

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22 changes: 18 additions & 4 deletions README.md
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Original file line number Diff line number Diff line change
Expand Up @@ -217,10 +217,24 @@ export default function App() {
### How to mock the library for testing with [jest](https://jestjs.io)?

```js
jest.mock('react-native-toast-message', () => ({
show: jest.fn(),
hide: jest.fn()
}));
jest.mock('react-native-toast-message', () => {
const RealComponent = jest.requireActual('react-native-toast-message');
const ReactInternal = require('react');
class Toast extends ReactInternal.Component {
static show = jest.fn();
static hide = jest.fn();

render() {
return ReactInternal.createElement(
'Toast',
this.props,
this.props.children,
);
}
}
Toast.propTypes = RealComponent.propTypes;
return Toast;
});
```

### How to show the Toast inside a Modal?
Expand Down