test.ts

// This file is required by karma.conf.js and loads recursively all the .spec and framework files
import 'reflect-metadata';
import 'zone.js/dist/zone-testing';

import { getTestBed } from '@angular/core/testing';
import { BrowserDynamicTestingModule, platformBrowserDynamicTesting } from '@angular/platform-browser-dynamic/testing';

// Unfortunately there's no typing for the `__karma__` variable. Just declare it as any.
declare const __karma__: any;
declare const require: any;

// Prevent Karma from running prematurely.
__karma__.loaded = function() {};

// First, initialize the Angular testing environment.
getTestBed().initTestEnvironment(BrowserDynamicTestingModule, platformBrowserDynamicTesting());

// Then we find all the tests.
const context = require.context('./packages', true, /\.spec\.ts$/);

// And load the modules.
context.keys().map(context);

// Finally, start Karma to run the tests.
__karma__.start();