Simulieren asynchroner Netzwerkanfragen in Svelte-Komponenten-Tests

import { render, screen, waitFor } from '@testing-library/svelte';
import { http, HttpResponse } from 'msw';
import { setupServer } from 'msw/node';
import UserLoader from './UserLoader.svelte';
 
const server = setupServer(
  http.get('/api/user', () => HttpResponse.json({ name: 'Alex', role: 'Developer' }))
);
 
beforeAll(() => server.listen());
afterAll(() => server.close());
 
test('fetches and displays user profile data', async () => {
  render(UserLoader);
  expect(screen.getByText('Loading...')).toBeTruthy();
  await waitFor(() => {
    expect(screen.getByText('Alex - Developer')).toBeTruthy();
  });
});