docbrown/app/javascript/chat/__tests__/util.test.js

import { getUserDataAndCsrfToken } from '../util';

const ERROR_MESSAGE = "Couldn't find user data on page.";

describe('Chat utilities', () => {
  describe('getUserDataAndCsrfToken', () => {
    afterEach(() => {
      document.head.innerHTML = '';
      document.body.removeAttribute('data-user');
    });

    test('should reject if no user or csrf token found.', async () => {
      await expect(getUserDataAndCsrfToken(document)).rejects.toThrow(
        ERROR_MESSAGE,
      );
    });

    test('should reject if csrf token found but no user.', async () => {
      document.head.innerHTML =
        '<meta name="csrf-token" content="some-csrf-token" />';
      await expect(getUserDataAndCsrfToken(document)).rejects.toThrow(
        ERROR_MESSAGE,
      );
    });

    test('should reject if user found but no csrf token found.', async () => {
      document.body.setAttribute('data-user', '{}');
      await expect(getUserDataAndCsrfToken(document)).rejects.toThrow(
        ERROR_MESSAGE,
      );
    });

    test('should resolve if user and csrf token found.', () => {
      const csrfToken = 'some-csrf-token';
      const currentUser = {
        id: 41,
        name: 'Guy Fieri',
        username: 'guyfieri',
        profile_image_90:
          '/uploads/user/profile_image/41/0841dbe2-208c-4daa-b498-b2f01f3d37b2.png',
        followed_tag_names: [],
        followed_tags: '[]',
        followed_user_ids: [
          2,
          31,
          7,
          38,
          22,
          37,
          14,
          26,
          20,
          24,
          11,
          27,
          29,
          3,
          6,
          28,
          4,
          39,
          8,
          40,
          25,
          30,
          35,
          34,
          5,
          12,
          33,
          36,
          21,
          18,
          23,
          1,
          32,
          19,
          15,
          13,
          16,
          9,
          10,
          17,
        ],
        reading_list_ids: [48, 49, 34, 51, 64, 56],
        saw_onboarding: true,
        onboarding_checklist: {
          write_your_first_article: false,
          follow_your_first_tag: false,
          fill_out_your_profile: false,
          leave_your_first_reaction: true,
          follow_your_first_dev: true,
          leave_your_first_comment: false,
        },
        checked_code_of_conduct: false,
        number_of_comments: 0,
        display_sponsors: true,
        trusted: false,
      };
      document.head.innerHTML = `<meta name="csrf-token" content="${csrfToken}" />`;
      document.body.setAttribute('data-user', JSON.stringify(currentUser));

      expect(getUserDataAndCsrfToken(document)).resolves.toEqual({
        currentUser,
        csrfToken,
      });
    });
  });
});