public void SuppliersController_Create_isNotValid()
        {
            Supplier testSupplier = new Supplier();
            testSupplier.supplierName = "invalidSupplier";
            SuppliersController controller = new SuppliersController();
            controller.ModelState.AddModelError("", "error message");

            var result = controller.Create(testSupplier) as ViewResult;
            Supplier resultSuppliers = (Supplier)result.Model;

            Assert.AreEqual("invalidSupplier", resultSuppliers.supplierName);
        }
        public void SuppliersController_Create_isValid()
        {
            Supplier testSupplier = new Supplier();
            testSupplier.supplierName = "testSupplier";
            testSupplier.supplierEmail = "*****@*****.**";
            testSupplier.contactName = "testContact";

            SuppliersController controller = new SuppliersController();

            var result = (RedirectToRouteResult)controller.Create(testSupplier);

            Assert.AreEqual("Index", result.RouteValues["action"]);
        }