test.ts

// This file is required by karma.conf.js and loads recursively all the .spec and framework files

import 'zone.js/testing';

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

declare const require: {
  context(
    path: string,
    deep?: boolean,
    filter?: RegExp
  ): {
    keys(): string[];
    <T>(id: string): T;
  };
};

// First, initialize the Angular testing environment.
getTestBed().initTestEnvironment(
  BrowserDynamicTestingModule,
  platformBrowserDynamicTesting(),
  {
    teardown: {destroyAfterEach: false},
  }
);
// Then we find all the tests.
const context = require.context('./', true, /\.spec\.ts$/);
// And load the modules.
context.keys().map(context);