public void SalesOrdersController_Details_isValid()
        {
            SalesOrdersController controller = new SalesOrdersController();

            ViewResult result = controller.Details(1) as ViewResult;
            SalesOrder SalesOrderResult = (SalesOrder)result.Model;

            Assert.AreEqual(1, SalesOrderResult.salesOrderID);
        }
        public void SalesOrdersController_Details_isNotValid()
        {
            SalesOrdersController controller = new SalesOrdersController();

            HttpNotFoundResult result = controller.Details(9999999) as HttpNotFoundResult;
            var expectedResult = new HttpNotFoundResult().GetType();

            Assert.IsInstanceOfType(result, expectedResult);
        }