public void SubscriptionDoesNotGetNewMessagesWhenTopicStoreOverrunByOtherStream()
{
var sp = ServiceProviderHelper.CreateServiceProvider(services =>
{
services.Configure <MessageBusOptions>(options =>
{
options.MessageBufferSize = 10;
});
});
using (var bus = ActivatorUtilities.CreateInstance <TestScaleoutBus>(sp, 2))
{
var subscriber = new TestSubscriber(new[] { "key" });
IDisposable subscription = null;
// The min fragment size is 8 and min fragments is 5
var expectedValues = Enumerable.Range(171, 8);
var cd = new OrderedCountDownRange <int>(expectedValues);
// This will overwrite the buffer ending up with (40 - 79) for stream 2
for (int i = 0; i < 80; i++)
{
bus.Publish(0, (ulong)i, new[] {
new Message("test", "key", i.ToString())
});
}
// This will overwrite the buffer with (140 - 179) for stream 1
for (int i = 100; i < 180; i++)
{
bus.Publish(1, (ulong)i, new[] {
new Message("test", "key", i.ToString())
});
}
try
{
subscription = bus.Subscribe(subscriber, "s-0,27|1,AA", (result, state) =>
{
foreach (var m in result.GetMessages())
{
int n = Int32.Parse(m.GetString());
cd.Expect(n);
}
return(TaskAsyncHelper.True);
}, 100, null);
Assert.True(cd.Wait(TimeSpan.FromSeconds(10)));
}
finally
{
if (subscription != null)
{
subscription.Dispose();
}
}
}
}
public void SubscriptionGetsCorrectCursorsIfLessKeysThanStreams()
{
var sp = ServiceProviderHelper.CreateServiceProvider();
var ta = new TypeActivator();
using (var bus = ta.CreateInstance <TestScaleoutBus>(sp, 2))
{
var subscriber = new TestSubscriber(new[] { "key" });
IDisposable subscription = null;
var cd = new OrderedCountDownRange <int>(new[] { 101, 11 });
bus.Publish(0, 10ul, new[] {
new Message("test", "key", "100")
});
bus.Publish(1, 10ul, new[] {
new Message("test", "key", "10")
});
try
{
subscription = bus.Subscribe(subscriber, "s-0,0", (result, state) =>
{
foreach (var m in result.GetMessages())
{
int n = Int32.Parse(m.GetString());
cd.Expect(n);
}
return(TaskAsyncHelper.True);
}, 100, null);
bus.Publish(0, 11ul, new[] {
new Message("test", "key", "101")
},
new DateTime(TimeSpan.TicksPerDay * 1));
bus.Publish(1, 11ul, new[] {
new Message("test", "key", "11")
},
new DateTime(TimeSpan.TicksPerDay * 2));
Assert.True(cd.Wait(TimeSpan.FromSeconds(10)));
}
finally
{
if (subscription != null)
{
subscription.Dispose();
}
}
}
}
public void SubscriptionPullFromMultipleStreamsInFairOrder()
{
var sp = ServiceProviderHelper.CreateServiceProvider();
var ta = new TypeActivator();
using (var bus = ta.CreateInstance <TestScaleoutBus>(sp, 3))
{
var subscriber = new TestSubscriber(new[] { "key" });
var cd = new OrderedCountDownRange <int>(new[] { 1, 2, 4, 3 });
IDisposable subscription = null;
bus.Publish(0, 1, new[] {
new Message("test", "key", "3"),
new Message("test", "key2", "5"),
},
new DateTime(TimeSpan.TicksPerDay * 5, DateTimeKind.Local));
bus.Publish(1, 1, new[] {
new Message("test", "key", "1"),
new Message("test", "key2", "foo")
},
new DateTime(TimeSpan.TicksPerDay * 1, DateTimeKind.Local));
bus.Publish(2, 1, new[] {
new Message("test", "key", "2"),
new Message("test", "key", "4")
},
new DateTime(TimeSpan.TicksPerDay * 2, DateTimeKind.Local));
try
{
subscription = bus.Subscribe(subscriber, "s-0,0|1,0|2,0", (result, state) =>
{
foreach (var m in result.GetMessages())
{
int n = Int32.Parse(m.GetString());
Assert.True(cd.Expect(n));
}
return(TaskAsyncHelper.True);
}, 10, null);
Assert.True(cd.Wait(TimeSpan.FromSeconds(10)));
}
finally
{
if (subscription != null)
{
subscription.Dispose();
}
}
}
}
public void SubscriptionGetsNewMessagesWhenTopicStoreOverrun()
{
var sp = ServiceProviderHelper.CreateServiceProvider(services =>
{
services.SetupOptions <SignalROptions>(options =>
{
options.MessageBus.MessageBufferSize = 10;
});
});
var ta = new TypeActivator();
using (var bus = ta.CreateInstance <TestScaleoutBus>(sp))
{
var subscriber = new TestSubscriber(new[] { "key" });
IDisposable subscription = null;
// 16-49 is the valid range
var cd = new OrderedCountDownRange <int>(Enumerable.Range(16, 33));
var results = new List <bool>();
for (int i = 0; i < 50; i++)
{
bus.Publish(0, (ulong)i, new[] {
new Message("test", "key", i.ToString())
});
}
try
{
subscription = bus.Subscribe(subscriber, "s-0,1", (result, state) =>
{
foreach (var m in result.GetMessages())
{
int n = Int32.Parse(m.GetString());
cd.Expect(n);
}
return(TaskAsyncHelper.True);
}, 10, null);
Assert.True(cd.Wait(TimeSpan.FromSeconds(5)));
}
finally
{
if (subscription != null)
{
subscription.Dispose();
}
}
}
}
//[InlineData(HostType.HttpListener, TransportType.ServerSentEvents, MessageBusType.Default)]
//[InlineData(HostType.HttpListener, TransportType.LongPolling, MessageBusType.Default)]
public void TransportsQueueIncomingMessagesCorrectly(HostType hostType, TransportType transportType, MessageBusType messageBusType)
{
using (var host = CreateHost(hostType, transportType))
{
host.Initialize(messageBusType: messageBusType);
var hubConnection = CreateHubConnection(host);
var proxy = hubConnection.CreateHubProxy("OnConnectedBufferHub");
var bufferCountdown = new OrderedCountDownRange <int>(new[] { 0, 1 });
var bufferMeCalls = 0;
using (hubConnection)
{
var wh = new ManualResetEvent(false);
proxy.On <int>("bufferMe", (val) =>
{
// Ensure correct ordering of the incoming messages
Assert.True(bufferCountdown.Expect(val));
bufferMeCalls++;
Assert.Equal(hubConnection.State, ConnectionState.Connected);
});
proxy.On("pong", () =>
{
Assert.Equal(2, bufferMeCalls);
wh.Set();
});
hubConnection.Start(host.Transport).Wait();
// The calls should be complete once the start task returns
Assert.Equal(2, bufferMeCalls);
proxy.Invoke("Ping").Wait();
Assert.True(wh.WaitOne(TimeSpan.FromSeconds(10)));
}
}
}