public void TestSuccessfulRegister()
        {
            // Arrange
            var userStore = new Mock<IUserStore<ApplicationUser>>();
            var userManager = new Mock<UserManager<ApplicationUser>>(userStore.Object);
            var registerModel = new RegisterViewModel
            {
                Email = "*****@*****.**",
                Password = "******",
                ConfirmPassword = "******"
            };
            var result = IdentityResult.Success;
            var identity = new ClaimsIdentity(DefaultAuthenticationTypes.ApplicationCookie);
            identity.AddClaim(new Claim(ClaimTypes.Name, registerModel.Email));

            userManager.Setup(um => um.CreateAsync(It.IsAny<ApplicationUser>(), registerModel.Password)).Returns(Task.FromResult(result));
            userManager.Setup(um => um.CreateIdentityAsync(It.IsAny<ApplicationUser>(), DefaultAuthenticationTypes.ApplicationCookie)).Returns(Task.FromResult(identity));

            var controller = new AccountController(userManager.Object);
            var helper = new MvcMockHelper(controller);

            // Act
            var actionResult = controller.Register(registerModel).Result;

            // Assert
            var redirectResult = actionResult as RedirectToRouteResult;
            Assert.IsNotNull(redirectResult);
            Assert.AreEqual("Home", redirectResult.RouteValues["controller"]);
            Assert.AreEqual("Index", redirectResult.RouteValues["action"]);

            Assert.AreEqual(registerModel.Email, helper.OwinContext.Authentication.AuthenticationResponseGrant.Identity.Name);
            Assert.AreEqual(DefaultAuthenticationTypes.ExternalCookie, helper.OwinContext.Authentication.AuthenticationResponseRevoke.AuthenticationTypes.First());
        }
        public async Task<ActionResult> Register(RegisterViewModel model)
        {
            if (ModelState.IsValid)
            {
                var user = new ApplicationUser { UserName = model.Email, Email = model.Email };
                var result = await UserManager.CreateAsync(user, model.Password);
                if (result.Succeeded)
                {
                    await SignInManager.SignInAsync(user, isPersistent:false, rememberBrowser:false);
                    
                    // For more information on how to enable account confirmation and password reset please visit http://go.microsoft.com/fwlink/?LinkID=320771
                    // Send an email with this link
                    // string code = await UserManager.GenerateEmailConfirmationTokenAsync(user.Id);
                    // var callbackUrl = Url.Action("ConfirmEmail", "Account", new { userId = user.Id, code = code }, protocol: Request.Url.Scheme);
                    // await UserManager.SendEmailAsync(user.Id, "Confirm your account", "Please confirm your account by clicking <a href=\"" + callbackUrl + "\">here</a>");

                    return RedirectToAction("Index", "Home");
                }
                AddErrors(result);
            }

            // If we got this far, something failed, redisplay form
            return View(model);
        }