public async Task OnActionExecutionAsync_WhenOrderItems_ShouldReturnOnlyValidItems()
{
// Arrange
var validOrderItems = new List <RequestOrderItem>
{
new RequestOrderItem {
EquipmentName = "Valid-Name-1", RentalDays = 1
},
new RequestOrderItem {
EquipmentName = "Valid-Name-2", RentalDays = 1
}
};
var invalidOrderItems = new List <RequestOrderItem>
{
new RequestOrderItem {
EquipmentName = "Invalid-Name-1", RentalDays = 1
},
new RequestOrderItem {
EquipmentName = "Invalid-Name-2", RentalDays = 1
}
};
IEnumerable <RequestOrderItem> allOrderItems = validOrderItems.Concat(invalidOrderItems);
IEquipmentRepository equipmentRepository = Substitute.For <IEquipmentRepository>();
equipmentRepository
.DoesEquipmentExist(Arg.Is <string>(value => value.Contains("Valid-Name")))
.Returns(true);
equipmentRepository
.DoesEquipmentExist(Arg.Is <string>(value => value.Contains("Invalid-Name")))
.Returns(false);
EquipmentFilter equipmentFilter = new EquipmentFilter(equipmentRepository);
// Act
var result = await ExecuteFilterForOrderItems(equipmentFilter, allOrderItems);
// Assert
result.executingContext.ActionArguments
.Values
.Cast <InvoiceRequestModel>()
.First().OrderItems
.Should()
.BeEquivalentTo(validOrderItems);
}
public async Task OnActionExecutionAsync(ActionExecutingContext context, ActionExecutionDelegate next)
{
List <InvoiceRequestModel> models = context.ActionArguments.Values.OfType <InvoiceRequestModel>().ToList();
if (models.Count > 1)
{
throw new ArgumentException($"Controller action can't have more than one {nameof(InvoiceRequestModel)} parameter.");
}
InvoiceRequestModel model = models.FirstOrDefault();
if (model == null)
{
await next();
return;
}
List <RequestOrderItem> orderItems = model.OrderItems.ToList();
foreach (RequestOrderItem requestOrderItem in model.OrderItems)
{
// For demonstration purposes we just remove invalid equipment items, but
// it's better to send a response with invalid items.
if (!_equipmentRepository.DoesEquipmentExist(requestOrderItem.EquipmentName))
{
Log.Warn($"Invalid equipment name {requestOrderItem.EquipmentName}.");
orderItems.Remove(requestOrderItem);
}
}
model.OrderItems = orderItems;
await next();
}