Angular Jasmine Service Unit Test (SO Docs)

by Wojciech Frącz

HTML

<link rel="stylesheet" href="https://cdnjs.cloudflare.com/ajax/libs/jasmine/2.4.1/jasmine.css">
<script src="https://cdnjs.cloudflare.com/ajax/libs/jasmine/2.4.1/jasmine.js"></script>
<script src="https://cdnjs.cloudflare.com/ajax/libs/jasmine/2.4.1/jasmine-html.js"></script>
<script src="https://cdnjs.cloudflare.com/ajax/libs/jasmine/2.4.1/boot.js"></script>
<script src="https://ajax.googleapis.com/ajax/libs/angularjs/1.5.8/angular.js"></script>
<script src="https://cdnjs.cloudflare.com/ajax/libs/angular.js/1.5.8/angular-mocks.js"></script>

JavaScript

angular.module('myModule', [])
  .service('myService', function() {
    this.doSomething = function(someNumber) {
      return someNumber + 2;
    }
  });

describe('myService', function() {
  var myService;
  beforeEach(function() {
    module('myModule');
    inject(function(_myService_) {
      myService = _myService_;
    });
  });
  it('should increment `num` by 2', function() {
    var result = myService.doSomething(4);
    expect(result).toEqual(6);
  });
});