Test and angular service by injecting a fake mock dependency

socketclient.spec.js

describe('When using the SocketClient provider', function () {
  var client, mockEngineio, globalComms;

  beforeEach(module(function ($provide) {
    mockEngineio = {
      connect: function (data) {
        throw new Error('blarg!');
      },
      $get: function () {
        console.log('boogers');
        return {
          socket: function () {}
        };
      }
    };

    $provide.provider('engineio', mockEngineio);
  }));

  beforeEach(function () {
    module('Core.Services.SocketClient');
    module('Services.Communicator');

    inject(function ($injector, Communicator, $rootScope) {
      client = $injector.invoke('socketclient', function (socketclient) {
        return socketclient;
      });

      globalComms = Communicator;
    });
  });

  describe('and testing the basics it', function () {
    it('should do something...', function () {
    });
  });
});