import { render, screen } from '@testing-library/react'; import XAxis from '../histogram-x-axis'; import useSize from '../../hooks/useSize'; jest.mock('../../hooks/useSize', () => jest.fn()); (useSize as jest.Mock).mockImplementation(() => [{ width: 250 }]); describe('XAxis component', () => { it('should render with correct tickmarks', () => { const { asFragment } = render( ); expect(asFragment()).toMatchSnapshot(); const labels = screen .getAllByText(/\d+/) // eslint-disable-next-line @typescript-eslint/ban-ts-comment // @ts-ignore .map(({ __data__: label }) => label); expect(labels).toEqual([0, 5, 10]); expect(screen.getByText('My label')).toBeInTheDocument(); }); });