Tutorial by Examples

The most common way to test Angular 2 apps is with the Jasmine test framework. Jasmine allows you to test your code in the browser. Install To get started, all you need is the jasmine-core package (not jasmine). npm install jasmine-core --save-dev --save-exact Verify To verify that Jasmine is...

The first thing we need is to tell karma to use Webpack to read our tests, under a configuration we set for the webpack engine. Here, I am using babel because I write my code in ES6, you can change that for other flavors, such as Typescript. Or I use Pug (formerly Jade) templates, you don't have to....

Usually, services call remote Api to retrieve/send data. But unit tests shouldn't do network calls. Angular internally uses XHRBackend class to do http requests. User can override this to change behavior. Angular testing module provides MockBackend and MockConnection classes which can be used to tes...

The component code is given as below. import { Component } from '@angular/core'; @Component({ selector: 'my-app', template: '<h1>{{title}}</h1>' }) export class MyAppComponent{ title = 'welcome'; } For angular testing, angular provide its testing utilities along with t...