gallery-test.js

// imports omitidos por brevedad
const feature = loadFeature('./test/features/list-all-albums.feature');

defineFeature(feature, test => {
  test('Viewing the Gallery', ({given, when, then}) => {
      let testInstance;
      let gallery;
      given('the Gallery component is present', () => {
      const renderer = TestRenderer.create( <Gallery data={MockData}/> );
      Gallery = renderer.root;
      testInstance = renderer;
    });
    when('the component is rendered', () => {
      // mock any init steps that happen at render time
    });
    then('I want the component to have an Album for each gallery in the site', () => {
      const albums = gallery.findAllByType(Album);
      expect(albums.length).toEqual(MockData.albums);
    });
    then('I want the Album to hold a Thumbnail for each image in it', () => {
      let album = gallery.findByType(Album);
      Let thumbs;
      expect(album).toBeDefined();
      thumbs = album.findAllByType(Thumbnail);
      expect(thumbs.length).toEqual(MockData[1].photos.length);
    });
  });
});