public void NoReconnectsAfterFallback()
{
// There was a regression where the SSE transport would try to reconnect after it times out.
// This test ensures that no longer happens.
// #2180
using (var host = new MemoryHost())
{
var myReconnect = new MyReconnect();
host.Configure(app =>
{
Func<AppFunc, AppFunc> middleware = (next) =>
{
return env =>
{
var request = new OwinRequest(env);
var response = new OwinResponse(env);
if (!request.Path.Value.Contains("negotiate") && !request.QueryString.Value.Contains("longPolling"))
{
response.Body = new MemoryStream();
}
return next(env);
};
};
app.Use(middleware);
var config = new ConnectionConfiguration
{
Resolver = new DefaultDependencyResolver()
};
config.Resolver.Register(typeof(MyReconnect), () => myReconnect);
app.MapSignalR<MyReconnect>("/echo", config);
});
var connection = new Connection("http://foo/echo");
using (connection)
{
connection.Start(host).Wait();
// Give SSE an opportunity to reconnect
Thread.Sleep(TimeSpan.FromSeconds(5));
Assert.Equal(connection.State, ConnectionState.Connected);
Assert.Equal(connection.Transport.Name, "longPolling");
Assert.Equal(0, myReconnect.Reconnects);
}
}
}
public void ReconnectFiresAfterHostShutdown(TransportType transportType, MessageBusType messageBusType)
{
var persistentConnections = new List<MyReconnect>();
var host = new ServerRestarter(app =>
{
var config = new ConnectionConfiguration
{
Resolver = new DefaultDependencyResolver()
};
UseMessageBus(messageBusType, config.Resolver);
app.MapSignalR<MyReconnect>("/endpoint", config);
var conn = new MyReconnect();
config.Resolver.Register(typeof(MyReconnect), () => conn);
persistentConnections.Add(conn);
});
using (host)
{
using (var connection = CreateConnection("http://foo/endpoint"))
{
var transport = CreateTransport(transportType, host);
var pollEvent = new ManualResetEventSlim();
var reconnectedEvent = new ManualResetEventSlim();
host.OnPoll = () =>
{
pollEvent.Set();
};
connection.Reconnected += () =>
{
reconnectedEvent.Set();
};
connection.Start(transport).Wait();
// Wait for the /poll before restarting the server
Assert.True(pollEvent.Wait(TimeSpan.FromSeconds(15)), "Timed out waiting for poll request");
host.Restart();
Assert.True(reconnectedEvent.Wait(TimeSpan.FromSeconds(15)), "Timed out waiting for client side reconnect");
Assert.Equal(2, persistentConnections.Count);
Assert.Equal(1, persistentConnections[1].Reconnects);
}
}
}
public void ReconnectDoesntFireAfterTimeOut(TransportType transportType, MessageBusType messageBusType)
{
using (var host = new MemoryHost())
{
var conn = new MyReconnect();
host.Configure(app =>
{
var config = new ConnectionConfiguration
{
Resolver = new DefaultDependencyResolver()
};
UseMessageBus(messageBusType, config.Resolver);
app.MapSignalR<MyReconnect>("/endpoint", config);
var configuration = config.Resolver.Resolve<IConfigurationManager>();
configuration.DisconnectTimeout = TimeSpan.FromSeconds(6);
configuration.ConnectionTimeout = TimeSpan.FromSeconds(2);
configuration.KeepAlive = null;
config.Resolver.Register(typeof(MyReconnect), () => conn);
});
var connection = new Client.Connection("http://foo/endpoint");
var transport = CreateTransport(transportType, host);
connection.Start(transport).Wait();
Thread.Sleep(TimeSpan.FromSeconds(5));
connection.Stop();
Assert.Equal(0, conn.Reconnects);
}
}
public void ReconnectFiresAfterTimeOut(TransportType transportType)
{
using (var host = new MemoryHost())
{
var conn = new MyReconnect();
host.Configure(app =>
{
var config = new ConnectionConfiguration
{
Resolver = new DefaultDependencyResolver()
};
app.MapConnection<MyReconnect>("/endpoint", config);
var configuration = config.Resolver.Resolve<IConfigurationManager>();
configuration.KeepAlive = 0;
configuration.ConnectionTimeout = TimeSpan.FromSeconds(5);
configuration.HeartbeatInterval = TimeSpan.FromSeconds(5);
config.Resolver.Register(typeof(MyReconnect), () => conn);
});
var connection = new Client.Connection("http://foo/endpoint");
var transport = CreateTransport(transportType, host);
connection.Start(transport).Wait();
Thread.Sleep(TimeSpan.FromSeconds(15));
connection.Stop();
Assert.InRange(conn.Reconnects, 1, 4);
}
}
