public void MessageWorks()
{
var deserializedObject = new object();
_deserializer.Setup(m => m.Deserialize("<body/>")).Returns(deserializedObject);
var message = new Message() { Body = "<body/>"};
target.ProcessEvent(this, message);
_handlers.Verify(m => m.Handle(deserializedObject));
}
public void DeadLetteringStoresTheMessage()
{
var msg = new Message();
var ex = new Exception();
target.DeadLetter(msg, ex);
_persistance.Verify(m => m.Deadletter(msg, ex));
}
public void ProcessEvent(object sender, Message message)
{
try
{
var mbody = _deserializer.Deserialize(message.Body);
_handlers.Handle(mbody);
MessageProcessed?.Invoke(this, message);
}
catch (Exception ex)
{
MessageFailed?.Invoke(this, new MessageFailedEventArgs { Message = message, Exception = ex });
}
}
public void MessageFails()
{
var deserializedObject = new object();
_deserializer.Setup(m => m.Deserialize("<body/>")).Returns(deserializedObject);
var exception = new Exception();
_handlers.Setup(m => m.Handle(deserializedObject)).Throws(exception);
var message = new Message() { Body = "<body/>" };
_messageFailedHandler.Setup(m => m(target, It.Is<MessageFailedEventArgs>(x => x.Exception == exception && x.Message == message)));
target.ProcessEvent(this, message);
_messageFailedHandler.Verify(m => m(target, It.Is<MessageFailedEventArgs>(x => x.Exception == exception && x.Message == message)));
}
public void AddToWorkingFeed(Message e)
{
using (var c = new SqlConnection(_connectionString))
{
var cmd = c.CreateCommand();
cmd.CommandText = InsertEvent;
cmd.Parameters.Add(new SqlParameter("@id", e.Id));
cmd.Parameters.Add(new SqlParameter("@createdAt", e.CreatedAt));
cmd.Parameters.Add(new SqlParameter("@body", e.Body));
cmd.Parameters.Add(new SqlParameter("@feedUri", e.FeedUri));
c.Open();
cmd.ExecuteNonQuery();
}
}
public void Deadletter(Message message, Exception exception)
{
using (var c = new SqlConnection(_connectionString))
{
var cmd = c.CreateCommand();
cmd.CommandText = InsertOrUpdateIntoDeadLetter;
cmd.Parameters.Add(new SqlParameter("@Id", message.Id));
cmd.Parameters.Add(new SqlParameter("@Body", message.Body));
cmd.Parameters.Add(new SqlParameter("@CreatedAt", message.CreatedAt));
cmd.Parameters.Add(new SqlParameter("@LastAttemptedProcessingAt", DateTime.Now));
cmd.Parameters.Add(new SqlParameter("@FeedUrl", message.FeedUri));
cmd.Parameters.Add(new SqlParameter("@Exception", exception.Message));
cmd.Parameters.Add(new SqlParameter("@ExceptionStack", exception.StackTrace));
c.Open();
cmd.ExecuteNonQuery();
}
}
public void ClearFailure(Message message)
{
using (var c = new SqlConnection(_connectionString))
{
var cmd = c.CreateCommand();
cmd.CommandText = DeleteFromDeadLetter;
cmd.Parameters.Add(new SqlParameter("@Id", message.Id));
c.Open();
cmd.ExecuteNonQuery();
}
}
protected virtual void OnEventReceived(Message e)
{
EventReceived?.Invoke(this, e);
}
public void ClearFailure(Message message)
{
_persistance.ClearFailure(message);
}
protected virtual void OnMessageReadyForRetry(Message e)
{
MessageReadyForRetry?.Invoke(this, e);
}
public void DeadLetter(Message message, Exception exception)
{
_persistance.Deadletter(message, exception);
}