import React from 'react'; import MergeSubStake from '../MergeSubStake'; import { render, fireEvent, wait } from '@testing-library/react' describe('<MergeSubStake />', () => { it('should render correctly', () => { const { asFragment } = render(<MergeSubStake />); expect(asFragment()).toMatchSnapshot(); }); it('should trigger onSubStakeMerge on merge', async () => { const onSubStakeMerge = jest.fn(() => {}); const { getByLabelText, getByText } = render(<MergeSubStake onSubStakeMerge={onSubStakeMerge} />); await wait(() => { fireEvent.change(getByLabelText('Merge with #'), { target: { value: '0' } }); fireEvent.click(getByText('Merge')); }); expect(onSubStakeMerge).toBeCalledWith(expect.objectContaining({ mergeIdValue: 0 })); }); });