import { render } from '@testing-library/react'; import React from 'react'; import { SpinnerRound } from '../SpinnerRound'; describe('SpinnerRound', () => { const color = 'red'; it('matches the snapshot', () => { const { container } = render( , ); expect(container).toMatchSnapshot(); }); it('matches the snapshot with default props', () => { const { container } = render(); expect(container).toMatchSnapshot(); }); it('renders null if disabled', () => { const { container } = render(); expect(container.firstChild).toBe(null); }); it('renders still if specified', () => { const { container } = render(); const circle = container.querySelector('circle'); expect(circle?.style.animation).toBe('none'); }); it('passes props to styles', () => { const size = '20%'; const thickness = 40; const speed = 50; const { container } = render( , ); const circle = container.querySelector('circle'); expect(container.firstChild).toHaveStyle({ width: size }); expect(circle).toHaveAttribute('stroke-width', `${3 * (thickness / 100)}`); expect(circle?.style.animation.includes(`${140 / speed}`)).toBe(true); }); it('passes svg props overriding styles', () => { const className = 'test-class'; const { container } = render( , ); expect(container.firstChild).toHaveClass(className); expect(container.firstChild).toHaveStyle({ color }); }); });