public ActionResult ChangePassword(ChangePasswordModel model)
        {
            if (ModelState.IsValid)
            {
                if (MembershipService.ChangePassword(User.Identity.Name, model.OldPassword, model.NewPassword))
                {
                    return RedirectToAction("ChangePasswordSuccess");
                }
                else
                {
                    ModelState.AddModelError("", "当前密码不正确或新密码无效。");
                }
            }

            // 如果我们进行到这一步时某个地方出错,则重新显示表单
            ViewData["PasswordLength"] = MembershipService.MinPasswordLength;
            return View(model);
        }
        public void ChangePassword_Post_ReturnsRedirectOnSuccess()
        {
            // 排列
            AccountController controller = GetAccountController();
            ChangePasswordModel model = new ChangePasswordModel()
            {
                OldPassword = "******",
                NewPassword = "******",
                ConfirmPassword = "******"
            };

            // 操作
            ActionResult result = controller.ChangePassword(model);

            // 断言
            Assert.IsInstanceOfType(result, typeof(RedirectToRouteResult));
            RedirectToRouteResult redirectResult = (RedirectToRouteResult)result;
            Assert.AreEqual("ChangePasswordSuccess", redirectResult.RouteValues["action"]);
        }
        public void ChangePassword_Post_ReturnsViewIfChangePasswordFails()
        {
            // 排列
            AccountController controller = GetAccountController();
            ChangePasswordModel model = new ChangePasswordModel()
            {
                OldPassword = "******",
                NewPassword = "******",
                ConfirmPassword = "******"
            };

            // 操作
            ActionResult result = controller.ChangePassword(model);

            // 断言
            Assert.IsInstanceOfType(result, typeof(ViewResult));
            ViewResult viewResult = (ViewResult)result;
            Assert.AreEqual(model, viewResult.ViewData.Model);
            Assert.AreEqual("当前密码不正确或新密码无效。", controller.ModelState[""].Errors[0].ErrorMessage);
            Assert.AreEqual(10, viewResult.ViewData["PasswordLength"]);
        }
        public void ChangePassword_Post_ReturnsViewIfModelStateIsInvalid()
        {
            // 排列
            AccountController controller = GetAccountController();
            ChangePasswordModel model = new ChangePasswordModel()
            {
                OldPassword = "******",
                NewPassword = "******",
                ConfirmPassword = "******"
            };
            controller.ModelState.AddModelError("", "虚拟错误消息。");

            // 操作
            ActionResult result = controller.ChangePassword(model);

            // 断言
            Assert.IsInstanceOfType(result, typeof(ViewResult));
            ViewResult viewResult = (ViewResult)result;
            Assert.AreEqual(model, viewResult.ViewData.Model);
            Assert.AreEqual(10, viewResult.ViewData["PasswordLength"]);
        }