rdev/fivepointseven

import * as log from '../../lib/log';
import initServiceWorker from '../../lib/service-worker';

log.log = jest.fn();

describe('Service Worker', () => {
    test('Not do shit if service workers not supported', () => {
        initServiceWorker();

        expect(log.log).toHaveBeenCalledTimes(1);
    });

    test('Register service worker', () => {
        navigator.serviceWorker = {
            register: jest.fn(),
        };

        initServiceWorker();

        expect(navigator.serviceWorker.register).toHaveBeenCalled();
    });
});