public static async Task <IDisposable> StressGroups(int max = 100)
{
var host = new MemoryHost();
host.Configure(app =>
{
var config = new HubConfiguration()
{
Resolver = new DefaultDependencyResolver()
};
app.MapSignalR(config);
var configuration = config.Resolver.Resolve <IConfigurationManager>();
// The below effectively sets the heartbeat interval to five seconds.
configuration.KeepAlive = TimeSpan.FromSeconds(10);
});
var countDown = new CountDownRange <int>(Enumerable.Range(0, max));
var connection = new HubConnection("http://foo");
var proxy = connection.CreateHubProxy("HubWithGroups");
proxy.On <int>("Do", i =>
{
if (!countDown.Mark(i))
{
Debugger.Break();
}
});
try
{
connection.Start(new Client.Transports.LongPollingTransport(host)).Wait();
proxy.Invoke("Join", "foo").Wait();
for (int i = 0; i < max; i++)
{
proxy.Invoke("Send", "foo", i).Wait();
}
proxy.Invoke("Leave", "foo").Wait();
for (int i = max + 1; i < max + 50; i++)
{
proxy.Invoke("Send", "foo", i).Wait();
}
await countDown.WaitAsync().OrTimeout();
}
finally
{
connection.Stop();
}
return(host);
}
public async Task SubscriptionWithExistingCursor()
{
var dr = new DefaultDependencyResolver();
var passThroughMinfier = new PassThroughStringMinifier();
dr.Register(typeof(IStringMinifier), () => passThroughMinfier);
using (var bus = new MessageBus(dr))
{
Func <TestSubscriber> subscriberFactory = () => new TestSubscriber(new[] { "key" });
var cd = new CountDownRange <int>(Enumerable.Range(2, 4));
IDisposable subscription = null;
string prefix = DefaultSubscription._defaultCursorPrefix;
// Pretend like we had an initial subscription
bus.Subscribe(subscriberFactory(), null, (result, state) => TaskAsyncHelper.True, 10, null)
.Dispose();
await bus.Publish("test", "key", "1");
await bus.Publish("test", "key", "2");
await bus.Publish("test", "key", "3");
await bus.Publish("test", "key", "4");
try
{
subscription = bus.Subscribe(subscriberFactory(), prefix + "key,00000001", (result, state) =>
{
foreach (var m in result.GetMessages())
{
int n = Int32.Parse(m.GetString());
Assert.True(cd.Mark(n));
}
return(TaskAsyncHelper.True);
}, 10, null);
await bus.Publish("test", "key", "5");
await cd.WaitAsync().OrTimeout();
}
finally
{
if (subscription != null)
{
subscription.Dispose();
}
}
}
}
public async Task SubscriptionWithExistingCursor()
{
var dr = new DefaultDependencyResolver();
using (var bus = new TestScaleoutBus(dr, streams: 2))
{
var subscriber = new TestSubscriber(new[] { "key" });
var cd = new CountDownRange <int>(Enumerable.Range(2, 4));
IDisposable subscription = null;
bus.Publish(0, 0, new[] {
new Message("test", "key", "1"),
new Message("test", "key", "50")
});
bus.Publish(1, 0, new[] {
new Message("test1", "key", "51")
});
bus.Publish(1, 2, new[] {
new Message("test2", "key", "2"),
new Message("test3", "key", "3"),
new Message("test2", "key", "4"),
});
try
{
subscription = bus.Subscribe(subscriber, "s-0,00000000|1,00000000", (result, state) =>
{
foreach (var m in result.GetMessages())
{
int n = Int32.Parse(m.GetString());
Assert.True(cd.Mark(n));
}
return(TaskAsyncHelper.True);
}, 10, null);
bus.Publish(0, 2, new[] { new Message("test", "key", "5") });
await cd.WaitAsync().OrTimeout();
}
finally
{
if (subscription != null)
{
subscription.Dispose();
}
}
}
}
public async Task AddingEventAndSendingMessages()
{
var dr = new DefaultDependencyResolver();
using (var bus = new MessageBus(dr))
{
var subscriber = new TestSubscriber(new[] { "a" });
int max = 100;
var cd = new CountDownRange <int>(Enumerable.Range(0, max));
int prev = -1;
IDisposable subscription = null;
try
{
subscription = bus.Subscribe(subscriber, null, (result, state) =>
{
foreach (var m in result.GetMessages())
{
int n = Int32.Parse(m.GetString());
Assert.True(prev < n, "out of order");
prev = n;
Assert.True(cd.Mark(n));
}
return(TaskAsyncHelper.True);
}, 10, null);
for (int i = 0; i < max; i++)
{
subscriber.AddEvent("b");
await bus.Publish("test", "b", i.ToString());
}
await cd.WaitAsync().OrTimeout();
}
finally
{
if (subscription != null)
{
subscription.Dispose();
}
}
}
}
