import { h } from 'preact'; import Heading from '../Heading'; import { render, screen } from '@testing-library/preact'; describe('Heading', () => { test('renders content with default size', async () => { render(Hello); expect(screen.queryByText('Hello')).toBeInTheDocument(); expect(screen.queryByText('Hello').classList.contains('text-2xl')).toBe(true); }); test('renders with custom size', async () => { render(Hello); expect(screen.queryByText('Hello')).toBeInTheDocument(); expect(screen.queryByText('Hello').classList.contains('text-2xl')).toBe(false); expect(screen.queryByText('Hello').classList.contains('text-lg')).toBe(true); }); test('renders with custom className', async () => { render(Hello); expect(screen.queryByText('Hello')).toBeInTheDocument(); expect(screen.queryByText('Hello').classList.contains('text-2xl')).toBe(true); expect(screen.queryByText('Hello').classList.contains('tacos')).toBe(true); }); });