private async Task <bool> ProcessMessageAsync <TMessageContext>(
MessageHandler handler,
MessageReceiver messageReceiver,
string message,
TMessageContext messageContext,
MessageCorrelationInfo correlationInfo,
CancellationToken cancellationToken)
where TMessageContext : AzureServiceBusMessageContext
{
bool canProcessMessage = handler.CanProcessMessage(messageContext);
var messageType = (Type)handler.GetType().GetProperty("MessageType", BindingFlags.NonPublic | BindingFlags.Instance).GetValue(handler);
bool tryDeserializeToMessageFormat = TryDeserializeToMessageFormat(message, messageType, out var result);
if (canProcessMessage && tryDeserializeToMessageFormat)
{
if (result is null)
{
return(false);
}
await PreProcessingAsync(handler, messageContext, messageReceiver);
await handler.ProcessMessageAsync(result, messageContext, correlationInfo, cancellationToken);
return(true);
}
return(false);
}
public void CustomMessageHandlerConstructor_WithContextFilterObsolete_SubtractsRegistration(bool matchesContext)
{
// Arrange
var collection = new MessageHandlerCollection(new ServiceCollection());
collection.WithMessageHandler <TestMessageHandler, TestMessage, TestMessageContext>((TestMessageContext messageContext) => matchesContext);
ServiceProvider serviceProvider = collection.Services.BuildServiceProvider();
// Act
IEnumerable <MessageHandler> messageHandlers = MessageHandler.SubtractFrom(serviceProvider, _logger);
// Assert
MessageHandler messageHandler = Assert.Single(messageHandlers);
Assert.NotNull(messageHandler);
var context = TestMessageContext.Generate();
Assert.Equal(matchesContext, messageHandler.CanProcessMessage(messageContext: context));
}
public void CustomMessageHandlerFactory_WithDefaultContextFilterObsolete_SubtractsRegistration(bool matchesContext)
{
// Arrange
var collection = new MessageHandlerCollection(new ServiceCollection());
var spyHandler = new DefaultTestMessageHandler();
collection.WithMessageHandler <DefaultTestMessageHandler, TestMessage>(
(MessageContext messageContext) => matchesContext,
provider => spyHandler);
ServiceProvider serviceProvider = collection.Services.BuildServiceProvider();
// Act
IEnumerable <MessageHandler> messageHandlers = MessageHandler.SubtractFrom(serviceProvider, _logger);
// Assert
MessageHandler messageHandler = Assert.Single(messageHandlers);
Assert.NotNull(messageHandler);
var context = new MessageContext("message-id", new Dictionary <string, object>());
Assert.Equal(matchesContext, messageHandler.CanProcessMessage(messageContext: context));
}
