Inject a custom AngularJS service object to a (Jasmine) unit test spec.

InjectAngularJSServiceToJasmine.js

// 2 ways to inject custom service to a Jasmine test spec.

// Method 1
describe('myNameSpace.services', function() {
  describe('MyService', function() {
    var createService;

    beforeEach(inject(function() {      
      var $injector = angular.injector(['myNameSpace.services'])

      createService = function() {
        return $injector.get('MyService');        
      }
    }));

    it('should be defined', function() {
      var service = createService();
      expect(service).toBeTruthy();
    });
  });
});

// Method 2
describe('myNameSpace.services', function() {
  describe('MyService', function() {
    var createService;

    beforeEach(module('myNameSpace.services'));

    beforeEach(inject(function($injector) {
      createService = function() {
        return $injector.get('MyService');        
      }
    }));

    it('should be defined', function() {
      var service = createService();
      expect(service).toBeTruthy();
    });
  });
});