test-setup.js

require("raf/polyfill");

var enzyme = require("enzyme");
var Adapter = require("enzyme-adapter-react-16");

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

/**
 * Mock PopperJS
 *
 * When using mount(), material-ui calls Popper.js, which is not compatible with JSDom
 * And causes UnhandledPromiseRejectionWarning: TypeError: document.createRange is not a function
 *
 * @see https://github.com/FezVrasta/popper.js/issues/478
 * */
// jest.mock("popper.js", () => {
//   class Popper {
//     constructor() {
//       return {
//         destroy: () => {},
//         scheduleUpdate: () => {},
//       };
//     }
//   }
//   Popper.placements = [
//     "auto",
//     "auto-end",
//     "auto-start",
//     "bottom",
//     "bottom-end",
//     "bottom-start",
//     "left",
//     "left-end",
//     "left-start",
//     "right",
//     "right-end",
//     "right-start",
//     "top",
//     "top-end",
//     "top-start",
//   ];
//   return Popper;
// });