private static void TestMessageHandler(MessageHandlingMode handlingMode)
{
Console.WriteLine($"===================================================");
Console.WriteLine($"Testing handling mode '{handlingMode}'");
Console.WriteLine($"===================================================");
Console.WriteLine();
try
{
var messageHandler = new MessageHandler(handlingMode, MyHandlerMethod);
var tasks = new List <Task>();
for (int i = 0; i < 10; i++)
{
tasks.Add(
messageHandler.HandleAsync(new Message()
{
MessageText = $"Message {i}"
})
);
}
Task.WaitAll(tasks.ToArray());
}
catch (Exception exception)
{
Console.WriteLine();
Console.WriteLine();
Console.WriteLine($"Uncaught exception: {exception.Message}");
Console.WriteLine();
Console.WriteLine();
}
Console.WriteLine();
Console.WriteLine();
}
private static List <Task> CreateAndWaitMessages(MessageHandlingMode mode, out List <TestMessage> completionOrder)
{
completionOrder = new List <TestMessage>();
var completionOrder2 = completionOrder;
var messageHandler = new MessageHandler(
mode,
async(message) =>
{
if (message is BadMessage)
{
throw new BadMessageException();
}
if (message is TestMessage testMessage)
{
await Task.Delay(testMessage.TestDelay);
completionOrder2.Add(testMessage);
}
});
var tasks = new List <Task>()
{
messageHandler.HandleAsync(new TestMessage(1, 3000)),
messageHandler.HandleAsync(new TestMessage(2, 0)),
messageHandler.HandleAsync(new TestMessage(3, 2000)),
messageHandler.HandleAsync(new BadMessage(4, 0)),
messageHandler.HandleAsync(new TestMessage(5, 1000)),
};
//just wait for the tasks but don't throw exceptions
foreach (var task in tasks)
{
try
{
Task.WaitAll(task);
}
catch { }
}
return(tasks);
}
public MessageHandler(MessageHandlingMode handlingMode, Func <Message, Task> handlerMethod)
{
HandlingMode = handlingMode;
HandlerMethod = handlerMethod;
}