apjames93/mui-storyblok

import StoryblokClient from 'storyblok-js-client';
import StoryBlok, { checkForMetaTag, setMetadata } from './Storyblok';

jest.mock('storyblok-js-client');

describe('StoryBlok', () => {
  it('should check for meta tag', () => {
    const result = '[object HTMLMetaElement]';
    const expected = checkForMetaTag('apples', 'testProperty', 'testName');
    expect(expected.toString()).toEqual(result);
  });

  it('setMetadata', () => {
    const { getElementById, createElement } = document;

    document.getElementById = jest.fn();
    document.createElement = jest.fn(() => ({
      setAttribute: jest.fn(),
    }));

    const res = {
      data: {
        story: {
          content: {
            seo: {
              title: 'title',
              og_image: 'og_image',
              og_title: 'og_title',
              description: 'description',
              twitter_image: 'twitter_image',
              twitter_title: 'twitter_title',
              og_description: 'og_description',
              og_url: 'og_url',
              twitter_description: 'twitter_description',
            },
          },
        },
      },
    };
    setMetadata(res);
    expect(document.getElementById).toBeCalledTimes(8);
    expect(document.createElement).toBeCalledTimes(8);
    document.getElementById = getElementById;
    document.createElement = createElement;
  });

  it('StoryBlok.get', async () => {
    StoryblokClient.mockImplementation(() => ({
      get: () => Promise.resolve({
        data: {
          story: {
            content: {
              body: 'cool',
              theme: {
                filename: 'poop',
              },
            },
          },
        },
      }),
    }));

    const res = await StoryBlok.get('page-welcome', 'wasd123', 'draft');
    expect(res[0]).toBe('cool');
    expect(res[1]).toBe('poop');
  });

  it('StoryBlok.get err', async () => {
    StoryblokClient.mockImplementation(() => ({
      get: () => Promise.reject('bad'),
    }));
    try {
      await StoryBlok.get('page-welcome', 'wasd123', 'draft');
    } catch (err) {
      expect(err.toString()).toBe('Error: bad');
    }
  });
});