Configuración de Vitest + React Testing Library

1. Vitest

npm install --save-dev vitest jsdom

2. React Testing Library

npm install --save-dev @testing-library/react @testing-library/dom

• Todo en un sólo comando

npm install --save-dev @testing-library/react @testing-library/dom vitest jsdom

3. Crear estos scripts en el package.json

"scripts": {
  "test": "vitest",
  "test:ui": "vitest --ui",
  "coverage": "vitest run --coverage"
}

4. Configurar vite.config.ts

import { defineConfig } from 'vitest/config';
import react from '@vitejs/plugin-react-swc';

// https://vite.dev/config/
export default defineConfig({
  plugins: [react()],
  test: {
    environment: 'jsdom',
    globals: true,
  },
});