Medium store - Testing asynchronous code with Jest and Testing Library React - src/services/fetchPosts.test.js

fetchPosts.test.js

import fetchPosts from './fetchPosts';
import mockedAxios from 'axios';

describe('fetchPosts', () => {
  it('fetch the posts', async () => {
    const posts = await fetchPosts();

    const expectedResponse = [
      {
        id: 1,
        title: 'This is a tech post',
      },
      {
        id: 2,
        title: 'Post about testing code',
      },
    ];

    expect(posts).toEqual(expectedResponse);
    expect(mockedAxios.get).toHaveBeenCalledTimes(1);
  })
})