public void ProcessSlaTimeouts_should_be_thread_safe()
{
var actionsCount = 50000;
var groupSize = 100;
var messagesInGroup = groupSize - 1;
SlaDefinitionBuilder.AddSla <Request, Response>(TimeSpan.FromTicks(1), r => r.Id, r => r.Id, _slaProvider);
_slaProcessor = new TestableSlaProcessor(_slaProvider, actionsCount);
Action purge = () => _slaProcessor.ProcessSlaTimeouts();
Action add = () => _slaProcessor.ProcessOutgoingMessage(new Request {
Id = Guid.NewGuid()
});
Enumerable.Range(0, actionsCount)
.Select(index => ((index % groupSize) >= messagesInGroup) ? purge : add)
.AsParallel()
.WithDegreeOfParallelism(64)
.ForAll(action => action.Invoke());
_slaProcessor.ProcessSlaTimeouts();
var expectedMessagesCount = messagesInGroup * actionsCount / groupSize;
Assert.That(_slaProcessor.Timeouts.Count, Is.EqualTo(expectedMessagesCount), "Processor should timeout all messages");
}
public void ProcessSlaTimeouts_should_remove_requests_only_if_the_longest_sla_timed_out()
{
var lowerSlaInMs = 20;
var higherSlaInMs = 50;
var slaMultiplier = 2;
var lowerTimeout = lowerSlaInMs * slaMultiplier + WaitDeltaMs;
var higherTimeout = higherSlaInMs * slaMultiplier + WaitDeltaMs;
SlaDefinitionBuilder
.For <Request>(req => req.Id)
.AddSla <Response>(TimeSpan.FromMilliseconds(lowerSlaInMs), rsp => rsp.Id)
.AddSla <Response2>(TimeSpan.FromMilliseconds(higherSlaInMs), rsp => rsp.Id)
.Configure(_slaProvider);
_slaProcessor = new TestableSlaProcessor(_slaProvider);
_slaProcessor.ProcessOutgoingMessage(new Request {
Id = Guid.NewGuid()
});
Thread.Sleep(lowerTimeout);
_slaProcessor.ProcessSlaTimeouts();
Assert.That(_slaProcessor.Timeouts.Count, Is.EqualTo(0), "None of messages should time out yet");
Thread.Sleep(higherTimeout - lowerSlaInMs);
_slaProcessor.ProcessSlaTimeouts();
Assert.That(_slaProcessor.Timeouts.Count, Is.EqualTo(1), "Message should time out now");
}
public void ProcessSlaTimeouts_should_remove_all_timedout_requests()
{
var slaInMs = 50;
var slaMultiplier = 2;
SlaDefinitionBuilder.AddSla <Request, Response>(TimeSpan.FromMilliseconds(slaInMs), req => req.Id, rsp => rsp.Id, _slaProvider);
SlaDefinitionBuilder.AddSla <Request2, Response2>(TimeSpan.FromMinutes(2), req => req.Id, rsp => rsp.Id, _slaProvider);
_slaProcessor = new TestableSlaProcessor(_slaProvider);
_slaProcessor.ProcessOutgoingMessage(new Request {
Id = Guid.NewGuid()
});
_slaProcessor.ProcessOutgoingMessage(new Request {
Id = Guid.NewGuid()
});
_slaProcessor.ProcessOutgoingMessage(new Request2 {
Id = Guid.NewGuid()
});
_slaProcessor.ProcessOutgoingMessage(new Request2 {
Id = Guid.NewGuid()
});
_slaProcessor.ProcessSlaTimeouts();
Assert.That(_slaProcessor.Timeouts.Count, Is.EqualTo(0), "None of messages should time out yet");
Thread.Sleep(TimeSpan.FromMilliseconds(slaInMs * slaMultiplier + WaitDeltaMs));
_slaProcessor.ProcessSlaTimeouts();
Assert.That(_slaProcessor.Timeouts.Count, Is.EqualTo(2), "Two messages should timeout");
Assert.That(_slaProcessor.Timeouts.Count(m => m.Item1.Type == typeof(Request)), Is.EqualTo(2), "Messages of Request type should timeout");
}
public void SlaDefinition_ToString_should_return_meaningful_information()
{
var provider = new SlaProvider();
SlaDefinitionBuilder.AddSla <IRequest, IResponse>(TimeSpan.FromSeconds(1), r => r.RequestId, r => r.ResponseId, provider);
Assert.That(provider.Definitions.First().ToString(), Is.EqualTo("Wonga.SLAMonitor.Tests.Asynchronous.SlaDefinitionBuilderTests+IRequest -> Wonga.SLAMonitor.Tests.Asynchronous.SlaDefinitionBuilderTests+IResponse: 00:00:01"));
}
public void SetUp()
{
_provider = new SlaProvider();
SlaDefinitionBuilder.For <Request>(r => r.Id)
.AddSla <Response>(_sla, r => r.Id)
.Configure(_provider);
_appender = InjectInMemoryAppender();
}
private void ConfigureSla()
{
SlaDefinitionBuilder.For <Request>(r => r.Id)
.AddSla <Response>(TimeSpan.FromSeconds(1), r => r.Id)
.AddSla <ErrorResponse>(TimeSpan.FromSeconds(1), r => r.Id)
.Configure(_slaProvider);
SlaDefinitionBuilder.For <Request2>(r => r.Id)
.AddSla <Response2>(TimeSpan.FromSeconds(1), r => r.Id)
.AddSla <ErrorResponse2>(TimeSpan.FromSeconds(1), r => r.Id)
.Configure(_slaProvider);
}
public void It_should_create_definitions()
{
var provider = new SlaProvider();
SlaDefinitionBuilder.For <IRequest>(x => x.RequestId)
.AddSla <IResponse>(TimeSpan.FromSeconds(1), x => x.ResponseId)
.AddSla <IErrorResponse>(TimeSpan.FromSeconds(2), x => x.ResponseId)
.Configure(provider);
Assert.That(provider.GetRequestDefinitions(new Mock <IRequest>().Object).Count(), Is.EqualTo(1), "request mapping");
Assert.That(provider.GetSlaDefinitionsFor(new Mock <IResponse>().Object).Single().Sla, Is.EqualTo(TimeSpan.FromSeconds(1)));
Assert.That(provider.GetSlaDefinitionsFor(new Mock <IErrorResponse>().Object).Single().Sla, Is.EqualTo(TimeSpan.FromSeconds(2)));
}
