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Fred-Reis/useNavigation mock

Created July 14, 2020 00:58
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useNavigation mock
import React from 'react';
import { render, fireEvent } from 'react-native-testing-library';
import Home from '../../pages/Home';
const mockedNavigation = jest.fn();
jest.mock('@react-navigation/native', () => {
return {
useNavigation: () => ({
navigate: mockedNavigation,
}),
};
});
describe('Home page', () => {
beforeEach(() => {
mockedNavigation.mockClear();
});
it('should be able to open QRcode scanner page', async () => {
const { getByTestId } = render(<Home />);
fireEvent.press(getByTestId('open-qrcode-test'));
expect(mockedNavigation).toHaveBeenCalledWith('QRcodeScanner');
});
});
@Fred-Reis
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Fred-Reis commented Jul 14, 2020

Very useful

@Cleversou1983
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Cleversou1983 commented Apr 5, 2022

Thanks man!

@brunoluisv
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brunoluisv commented May 4, 2022

thanks man, very helpful!

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