React Testing Library [cracked] -

// Logout await userEvent.click(screen.getByRole('button', { name: /logout/i })) expect(screen.getByRole('button', { name: /login/i })).toBeInTheDocument() })

React Testing Library encourages writing accessible, user-focused tests that give you real confidence in your application. The key is always asking: "Is this how a user would interact with and observe this component?" react testing library

// Submit await userEvent.click(screen.getByRole('button', { name: /submit/i })) // Logout await userEvent

act(() => { result.current.increment() }) // Logout await userEvent.click(screen.getByRole('button'

// Assert expect(screen.getByText(/count: 1/i)).toBeInTheDocument() }) import { waitFor, screen } from '@testing-library/react' test('loads user data', async () => { render(<UserProfile userId={123} />)