import React from 'react-native'; import {render, fireEvent} from '@testing-library/react-native'; import IButton from '../../../src/components/IButton'; const renderIButton = (props?: any) => { return ( ); }; describe('IButton test', () => { test('yyy', () => { const props = { buttonTitle: 'buttonTitle', onPress: () => { console.log('btn work'); }, }; const {getByTestId} = render(renderIButton(props)); const test = getByTestId('btnID'); fireEvent.press(test); console.log(test.props); }); });