React Testing Library [extra Quality] Guide

// Verify dashboard expect(await screen.findByText(/welcome, user/i)).toBeInTheDocument()

// Wait for loading to complete expect(screen.getByText(/loading/i)).toBeInTheDocument() react testing library

// Find elements const button = screen.getByRole('button', { name: /increment/i }) const count = screen.getByText(/count: 0/i) // Verify dashboard expect(await screen

expect(handleSubmit).toHaveBeenCalledWith({ email: 'test@example.com', password: 'password123' }) }) import { renderHook, act } from '@testing-library/react' test('useCounter hook increments', () => { const { result } = renderHook(() => useCounter(0)) // Verify dashboard expect(await screen.findByText(/welcome