mocha.js

import Mocha from 'mocha';
import glob from 'glob';
import _ from 'lodash/lodash';
import chai from 'chai';
import { shallow, mount, render } from 'enzyme';
import chaiEnzyme from 'chai-enzyme';

glob('webroot/components/**/tests/**/*.js', (err, files) => {
	var runner = new Mocha({
		ui: 'bdd',
		reporter: 'spec',
		bail: true,
		fullTrace: true
	});

	chai.use(chaiEnzyme());
	global.Assertion = chai.Assertion;
	global.expect = chai.expect;	

	global.shallow = shallow;
	global.mount = mount;
	global.render = render;
	global._ = _;
	global.window = global;

	runner.suite.emit('pre-require', global, 'global-mocha-context', runner);

	Promise.all(
		files.map(file => new Promise((resolve, reject) => {
			SystemJS.import(file.replace('webroot/', '')).then(() => {
				resolve();
			}).catch(err => {
				reject(err);
			});
		}))
	).then(() => {
		runner.run();
	}).catch(console.error.bind(console));
});