setupTests.js

/* global jest */
/* eslint-disable import/no-extraneous-dependencies */
import Enzyme, { ReactWrapper } from 'enzyme';
import Adapter from 'enzyme-adapter-react-16';

Enzyme.configure({ adapter: new Adapter() });

// TODO remove when enzyme releases https://github.com/airbnb/enzyme/pull/1179
ReactWrapper.prototype.hostNodes = function () {
  return this.filterWhere(n => typeof n.type() === 'string');
};
global.requestAnimationFrame = function (cb) { cb(0); };
global.window.cancelAnimationFrame = function () { };
global.createSpyObj = (baseName, methodNames) => {
  const obj = {};

  for (let i = 0; i < methodNames.length; i += 1) {
    obj[methodNames[i]] = jest.fn();
  }

  return obj;
};
global.document.createRange = () => ({
  setStart: () => {},
  setEnd: () => {},
  commonAncestorContainer: {}
});