@whatwg-node/fetch/tests/getFormDataMethod.spec.ts

Cross Platform Smart Fetch Ponyfill

import { createTestContainer } from '../../server/test/create-test-container';

describe('getFormDataMethod', () => {
  createTestContainer(fetchAPI => {
    it('should parse fields correctly', async () => {
      const formData = new fetchAPI.FormData();
      formData.append('greetings', 'Hello world!');
      formData.append('bye', 'Goodbye world!');
      const request = new fetchAPI.Request('http://localhost:8080', {
        method: 'POST',
        body: formData,
      });
      const formdata = await request.formData();
      expect(formdata.get('greetings')).toBe('Hello world!');
      expect(formdata.get('bye')).toBe('Goodbye world!');
    });
    it('should parse and receive text files correctly', async () => {
      const formData = new fetchAPI.FormData();
      const greetingsFile = new fetchAPI.File(['Hello world!'], 'greetings.txt', { type: 'text/plain' });
      const byeFile = new fetchAPI.File(['Goodbye world!'], 'bye.txt', { type: 'text/plain' });
      formData.append('greetings', greetingsFile);
      formData.append('bye', byeFile);
      const request = new fetchAPI.Request('http://localhost:8080', {
        method: 'POST',
        body: formData,
      });
      const formdata = await request.formData();
      const receivedGreetingsFile = formdata.get('greetings') as File;
      const receivedGreetingsText = await receivedGreetingsFile.text();
      expect(receivedGreetingsText).toBe('Hello world!');
      const receivedByeFile = formdata.get('bye') as File;
      const receivedByeText = await receivedByeFile.text();
      expect(receivedByeText).toBe('Goodbye world!');
    });
  });
});