parkingAssistant/setup-tests.js at master · stephenpassero/parkingAssistant · GitHub

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import 'react-native'
import 'jest-enzyme'
import Adapter from 'enzyme-adapter-react-16'
import Enzyme from 'enzyme'
import { toExist } from 'jest-enzyme-selector-exists'

expect.extend(toExist)

/**
 * Set up DOM in node.js environment for Enzyme to mount to
 */
const { JSDOM } = require('jsdom');

const jsdom = new JSDOM('<!doctype html><html><body></body></html>');
const { window } = jsdom;

function copyProps(src, target) {
  Object.defineProperties(target, {
    ...Object.getOwnPropertyDescriptors(src),
    ...Object.getOwnPropertyDescriptors(target),
  });
}

global.window = window;
global.document = window.document;
global.navigator = {
  userAgent: 'node.js',
};
copyProps(window, global);

/**
 * Set up Enzyme to mount to DOM, simulate events,
 * and inspect the DOM in tests.
 */
Enzyme.configure({ adapter: new Adapter() });

const originalConsoleError = console.error;
console.error = (message) => {
  if (message.startsWith('Warning:')) {
    return;
  }

  originalConsoleError(message);
};