react-web-animation/src/animatable.test.js

react-web-animation is a set of React components that expose the Web Animations API in a declarative way.

import Animatable from './animatable';
import domElements from './utils/dom_elements';

describe('Animatable', () => {
  it('will export an function', () => {
    expect(Animatable).toBeInstanceOf(Function);
  });

  it('will have a method on the prototype for each element', () => {
    domElements.forEach(e => expect(Animatable[e]).toBeDefined());
  });

  it('will the right displayName', () => {
    domElements.forEach(e =>
      expect(Animatable[e].displayName).toBe(`Animatable.${e}`),
    );
  });
});