public async Task AutoTransportDoesNotTryAnotherTransportIfTransportFailsDuringStartRequest()
{
var mockConnection = new Mock <IConnection>();
mockConnection.Setup(c => c.TotalTransportConnectTimeout).Returns(TimeSpan.FromSeconds(5));
mockConnection.Setup(c => c.JsonSerializer).Returns(JsonSerializer.CreateDefault());
var mockHttpClient = new Mock <IHttpClient>();
var mockFailingTransport = new Mock <ClientTransportBase>(mockHttpClient.Object, "fakeTransport")
{
CallBase = true
};
mockFailingTransport.Protected()
.Setup("OnStart", ItExpr.IsAny <IConnection>(), ItExpr.IsAny <string>(), ItExpr.IsAny <CancellationToken>())
.Callback <IConnection, string, CancellationToken>((c, d, t) =>
{
mockFailingTransport.Object.ProcessResponse(c,
"{\"C\":\"d-C6243495-A,0|B,0|C,1|D,0\",\"S\":1,\"M\":[]}");
});
var exception = new Exception("test exception");
var waitForException = new TaskCompletionSource <object>();
mockHttpClient
.Setup(c => c.Get(It.IsAny <string>(), It.IsAny <Action <IRequest> >(), It.IsAny <bool>()))
.Returns <string, Action <IRequest>, bool>(async(url, prepareRequest, isLongRunning) =>
{
mockFailingTransport.Object.TransportFailed(exception);
await waitForException.Task;
return(Mock.Of <IResponse>());
});
var mockTransport = new Mock <IClientTransport>();
mockTransport.Setup(t => t.Start(It.IsAny <IConnection>(), It.IsAny <string>(), It.IsAny <CancellationToken>()))
.Returns(Task.FromResult <object>(null));
var autoTransport = new AutoTransport(mockHttpClient.Object,
new List <IClientTransport> {
mockFailingTransport.Object, mockTransport.Object
});
var startException = await Assert.ThrowsAsync <StartException>(
async() => await autoTransport.Start(mockConnection.Object, string.Empty, CancellationToken.None));
waitForException.TrySetResult(null);
Assert.Same(exception, startException.InnerException);
mockTransport.Verify(
t => t.Start(It.IsAny <IConnection>(), It.IsAny <string>(), It.IsAny <CancellationToken>()),
Times.Never());
}
public void AutoTransportDoesNotTryAnotherTransportIfTransportFailsDuringStartRequest()
{
var mockConnection = new Mock<IConnection>();
mockConnection.Setup(c => c.TotalTransportConnectTimeout).Returns(TimeSpan.FromSeconds(5));
mockConnection.Setup(c => c.JsonSerializer).Returns(JsonSerializer.CreateDefault());
var mockHttpClient = new Mock<IHttpClient>();
var mockFailingTransport = new Mock<ClientTransportBase>(mockHttpClient.Object, "fakeTransport") {CallBase = true};
mockFailingTransport.Protected()
.Setup("OnStart", ItExpr.IsAny<IConnection>(), ItExpr.IsAny<string>(), ItExpr.IsAny<CancellationToken>())
.Callback<IConnection, string, CancellationToken>((c, d, t) =>
{
mockFailingTransport.Object.ProcessResponse(c,
"{\"C\":\"d-C6243495-A,0|B,0|C,1|D,0\",\"S\":1,\"M\":[]}");
});
var exception = new Exception("test exception");
mockHttpClient
.Setup(c => c.Get(It.IsAny<string>(), It.IsAny<Action<IRequest>>(), It.IsAny<bool>()))
.Returns<string, Action<IRequest>, bool>((url, prepareRequest, isLongRunning) =>
{
mockFailingTransport.Object.TransportFailed(exception);
return Task.FromResult(Mock.Of<IResponse>());
});
var mockTransport = new Mock<IClientTransport>();
mockTransport.Setup(t => t.Start(It.IsAny<IConnection>(), It.IsAny<string>(), It.IsAny<CancellationToken>()))
.Returns(Task.FromResult<object>(null));
var autoTransport = new AutoTransport(mockHttpClient.Object,
new List<IClientTransport> {mockFailingTransport.Object, mockTransport.Object});
var startException =
Assert.Throws<AggregateException>(() =>
autoTransport.Start(mockConnection.Object, string.Empty, CancellationToken.None)
.Wait(TimeSpan.FromSeconds(1))).InnerException;
Assert.IsType<StartException>(startException);
Assert.Same(exception, startException.InnerException);
mockTransport.Verify(
t => t.Start(It.IsAny<IConnection>(), It.IsAny<string>(), It.IsAny<CancellationToken>()),
Times.Never());
}
public void CancelledTaskHandledinAutoTransport()
{
var tcs = new TaskCompletionSource<IResponse>();
tcs.TrySetCanceled();
var transport = new Mock<IClientTransport>();
transport.Setup(t => t.Start(It.IsAny<IConnection>(), It.IsAny<string>(), CancellationToken.None))
.Returns(tcs.Task);
var transports = new List<IClientTransport>();
transports.Add(transport.Object);
var autoTransport = new AutoTransport(new DefaultHttpClient(), transports);
var task = autoTransport.Start(new Connection("http://foo"), string.Empty, CancellationToken.None);
Assert.IsType(typeof(OperationCanceledException), task.Exception.InnerException);
}
private static Task Do()
{
string url = "http://192.168.70.118:1980";
var connection = new HubConnection(url);
IHubProxy hub = connection.CreateHubProxy("echo");
var httpClient = new DefaultHttpClient();
var transport = new AutoTransport(
httpClient,
new IClientTransport[]
{
//new ServerSentEventsTransport(httpClient),
new LongPollingTransport(httpClient)
}
);
//connection.Error +=
// error => ConsoleColor.Red.AsColorFor(() => Console.WriteLine("Error from connection: {0}", error));
connection.Closed += () =>
{
Console.WriteLine("Closed");
//if (!connection.EnsureReconnecting())
//{
// Task.Delay(TimeSpan.FromSeconds(30)).ContinueWith(t => connection.Start().Wait());
//}
if (!connection.EnsureReconnecting())
{
Task.Factory.StartNew(() => Thread.Sleep(TimeSpan.FromSeconds(30)))
.ContinueWith(t => connection.Start().Wait());
}
};
connection.ConnectionSlow += () => Console.WriteLine("ConnectionSolw!");
connection.Received += data => Console.WriteLine(string.Format("Received:{0}", data));
connection.Reconnected += () => Console.WriteLine("Reconnected!");
connection.StateChanged +=
state =>
Console.WriteLine("StateChanged:From {0} to {1}", state.OldState, state.NewState);
return connection.Start(transport).ContinueWith(_ =>
{
Console.WriteLine("Connected, transport is :{0}", connection.Transport.Name);
return hub;
});
}
public void StartExceptionStopsAutoTransportFallback()
{
var errorTcs = new TaskCompletionSource<IResponse>();
errorTcs.SetException(new StartException());
var failingTransport = new Mock<IClientTransport>();
failingTransport.Setup(t => t.Start(It.IsAny<IConnection>(), It.IsAny<string>(), CancellationToken.None))
.Returns(errorTcs.Task)
.Verifiable();
var unusedTransport = new Mock<IClientTransport>();
var transports = new List<IClientTransport>();
transports.Add(failingTransport.Object);
transports.Add(unusedTransport.Object);
var autoTransport = new AutoTransport(new DefaultHttpClient(), transports);
var startTask = autoTransport.Start(new Connection("http://foo"), string.Empty, CancellationToken.None);
failingTransport.Verify();
unusedTransport.Verify(t => t.Start(It.IsAny<IConnection>(), It.IsAny<string>(), CancellationToken.None), Times.Never());
Assert.IsType(typeof(StartException), startTask.Exception.InnerException);
}
public override async Task Connect()
{
OnConnecting(EventArgs.Empty);
if (string.IsNullOrEmpty(Address))
{
OnConnectError(new ConnectionErrorEventArgs(this, new Exception("Address is empty")));
return;
}
if (UseSocialLogin)
{
if (string.IsNullOrEmpty(UserId))
{
OnConnectError(new ConnectionErrorEventArgs(this, new NotAuthenticatedException("Not authenticated to this server")));
return;
}
}
else if (string.IsNullOrEmpty(UserName) || string.IsNullOrEmpty(Password))
{
OnConnectError(new ConnectionErrorEventArgs(this, new NotAuthenticatedException("Username or password are not specified")));
return;
}
//ServicePointManager.FindServicePoint (new Uri (Address)).ConnectionLimit = 100;
// force long polling on mono, until SSE works reliably
IClientTransport transport;
if (EtoEnvironment.Platform.IsMono)
transport = new LongPollingTransport();
else
transport = new AutoTransport(new DefaultHttpClient());
Client = new jab.JabbRClient(Address, null, transport);
if (UseSocialLogin)
{
throw new NotSupportedException();
}
bool connected = false;
try
{
var logOnInfo = await Client.Connect(UserName, Password);
#if DEBUG
var settings = Path.Combine(EtoEnvironment.GetFolderPath(EtoSpecialFolder.ApplicationSettings), "jabbreto.log");
Client.Connection.TraceWriter = new TextWriterTraceListener(settings).Writer;
Client.Connection.TraceLevel = TraceLevels.All;
#endif
highlighRegex = null;
connected = true;
HookupEvents();
this.OnGlobalMessageReceived (new NotificationEventArgs(new NotificationMessage (string.Format ("Using {0} transport", Client.Connection.Transport.Name))));
var userInfo = await Client.GetUserInfo();
this.CurrentUser = new JabbRUser(this, userInfo);
loadingRooms = logOnInfo.Rooms.Select(r => new JabbRRoom(this, r)).ToList();
InitializeChannels(loadingRooms);
OnConnected(EventArgs.Empty);
}
catch (Exception ex)
{
Debug.Print(string.Format("Error: {0}", ex.GetBaseException().Message));
OnConnectError(new ConnectionErrorEventArgs(this, ex));
if (connected)
Client.Disconnect();
}
// load all room initial channel info/history
while (true)
{
JabbRRoom room;
lock (loadingRooms)
{
if (loadingRooms.Count > 0)
{
room = loadingRooms[0];
loadingRooms.Remove(room);
}
else
break;
}
//Debug.WriteLine(string.Format("Loading messages for room {0}", room.Name));
await room.LoadRoomInfo();
}
}
public async Task FallbackToLongPollingIIS()
{
using (ITestHost host = CreateHost(HostType.IISExpress))
{
// Reduce transportConnectionTimeout to 5 seconds
host.Initialize(transportConnectTimeout: 5);
var connection = CreateConnection(host, "/fall-back");
using (connection)
{
var tcs = new TaskCompletionSource<object>();
connection.StateChanged += change =>
{
if (change.NewState == ConnectionState.Reconnecting)
{
tcs.TrySetException(new Exception("The connection should not be reconnecting"));
}
};
var client = new DefaultHttpClient();
var transports = new IClientTransport[] {
new ServerSentEventsTransport(client),
new LongPollingTransport(client)
};
var transport = new AutoTransport(client, transports);
await connection.Start(transport);
Assert.Equal(connection.Transport.Name, "longPolling");
Assert.False(tcs.Task.Wait(TimeSpan.FromSeconds(5)));
}
}
}
public void FallbackToLongPollingIIS()
{
using (ITestHost host = new IISExpressTestHost())
{
host.Initialize();
var connection = CreateConnection(host.Url + "/fall-back");
var tcs = new TaskCompletionSource<object>();
connection.StateChanged += change =>
{
if (change.NewState == ConnectionState.Reconnecting)
{
tcs.TrySetException(new Exception("The connection should not be reconnecting"));
}
};
var client = new DefaultHttpClient();
var transports = new IClientTransport[] {
new ServerSentEventsTransport(client) { ConnectionTimeout = TimeSpan.Zero },
new LongPollingTransport(client)
};
var transport = new AutoTransport(client, transports);
connection.Start(transport).Wait();
Assert.Equal(connection.Transport.Name, "longPolling");
Assert.False(tcs.Task.Wait(TimeSpan.FromSeconds(5)));
connection.Stop();
}
}
