aspnetcore/test/Microsoft.AspNetCore.Signal.../HubEndpointTests.cs

1869 lines
65 KiB
C#

// Copyright (c) .NET Foundation. All rights reserved.
// Licensed under the Apache License, Version 2.0. See License.txt in the project root for license information.
using System;
using System.Collections.Generic;
using System.Linq;
using System.Runtime.Serialization;
using System.Security.Claims;
using System.Threading;
using System.Threading.Tasks;
using System.Threading.Tasks.Channels;
using Microsoft.AspNetCore.Authorization;
using Microsoft.AspNetCore.Http;
using Microsoft.AspNetCore.SignalR.Internal;
using Microsoft.AspNetCore.SignalR.Internal.Protocol;
using Microsoft.AspNetCore.SignalR.Tests.Common;
using Microsoft.AspNetCore.Sockets;
using Microsoft.AspNetCore.Sockets.Features;
using Microsoft.Extensions.DependencyInjection;
using Moq;
using MsgPack;
using MsgPack.Serialization;
using Newtonsoft.Json;
using Newtonsoft.Json.Linq;
using Newtonsoft.Json.Serialization;
using Xunit;
namespace Microsoft.AspNetCore.SignalR.Tests
{
public class HubEndpointTests
{
[Fact]
public async Task HubsAreDisposed()
{
var trackDispose = new TrackDispose();
var serviceProvider = CreateServiceProvider(s => s.AddSingleton(trackDispose));
var endPoint = serviceProvider.GetService<HubEndPoint<DisposeTrackingHub>>();
using (var client = new TestClient())
{
var endPointTask = endPoint.OnConnectedAsync(client.Connection);
// kill the connection
client.Dispose();
await endPointTask;
Assert.Equal(2, trackDispose.DisposeCount);
}
}
[Fact]
public async Task ConnectionAbortedTokenTriggers()
{
var state = new ConnectionLifetimeState();
var serviceProvider = CreateServiceProvider(s => s.AddSingleton(state));
var endPoint = serviceProvider.GetService<HubEndPoint<ConnectionLifetimeHub>>();
using (var client = new TestClient())
{
var endPointTask = endPoint.OnConnectedAsync(client.Connection);
// kill the connection
client.Dispose();
await endPointTask.OrTimeout();
Assert.True(state.TokenCallbackTriggered);
Assert.False(state.TokenStateInConnected);
Assert.True(state.TokenStateInDisconnected);
}
}
[Fact]
public async Task AbortFromHubMethodForcesClientDisconnect()
{
var serviceProvider = CreateServiceProvider();
var endPoint = serviceProvider.GetService<HubEndPoint<AbortHub>>();
using (var client = new TestClient())
{
var endPointTask = endPoint.OnConnectedAsync(client.Connection);
await client.InvokeAsync(nameof(AbortHub.Kill));
await endPointTask.OrTimeout();
}
}
[Fact]
public async Task ObservableHubRemovesSubscriptionsWithInfiniteStreams()
{
var observable = new Observable<int>();
var serviceProvider = CreateServiceProvider(s => s.AddSingleton(observable));
var endPoint = serviceProvider.GetService<HubEndPoint<ObservableHub>>();
var waitForSubscribe = new TaskCompletionSource<object>();
observable.OnSubscribe = o =>
{
waitForSubscribe.TrySetResult(null);
};
var waitForDispose = new TaskCompletionSource<object>();
observable.OnDispose = o =>
{
waitForDispose.TrySetResult(null);
};
using (var client = new TestClient())
{
var endPointTask = endPoint.OnConnectedAsync(client.Connection);
async Task Produce()
{
int i = 0;
while (true)
{
observable.OnNext(i++);
await Task.Delay(100);
}
}
_ = Produce();
Assert.Empty(observable.Observers);
var subscribeTask = client.StreamAsync(nameof(ObservableHub.Subscribe));
await waitForSubscribe.Task.OrTimeout();
Assert.Single(observable.Observers);
client.Dispose();
// We don't care if this throws, we just expect it to complete
try
{
await subscribeTask.OrTimeout();
}
catch
{
}
await waitForDispose.Task.OrTimeout();
Assert.Empty(observable.Observers);
await endPointTask.OrTimeout();
}
}
[Fact]
public async Task ObservableHubRemovesSubscriptions()
{
var observable = new Observable<int>();
var serviceProvider = CreateServiceProvider(s => s.AddSingleton(observable));
var endPoint = serviceProvider.GetService<HubEndPoint<ObservableHub>>();
var waitForSubscribe = new TaskCompletionSource<object>();
observable.OnSubscribe = o =>
{
waitForSubscribe.TrySetResult(null);
};
var waitForDispose = new TaskCompletionSource<object>();
observable.OnDispose = o =>
{
waitForDispose.TrySetResult(null);
};
using (var client = new TestClient())
{
var endPointTask = endPoint.OnConnectedAsync(client.Connection);
async Task Subscribe()
{
var results = await client.StreamAsync(nameof(ObservableHub.Subscribe));
var items = results.OfType<StreamItemMessage>().ToList();
Assert.Single(items);
Assert.Equal(2, (long)items[0].Item);
}
observable.OnNext(1);
Assert.Empty(observable.Observers);
var subscribeTask = Subscribe();
await waitForSubscribe.Task.OrTimeout();
Assert.Single(observable.Observers);
observable.OnNext(2);
observable.Complete();
await subscribeTask.OrTimeout();
client.Dispose();
await waitForDispose.Task.OrTimeout();
Assert.Empty(observable.Observers);
await endPointTask.OrTimeout();
}
}
[Fact]
public async Task ObservableHubRemovesSubscriptionWhenCanceledFromClient()
{
var observable = new Observable<int>();
var serviceProvider = CreateServiceProvider(s => s.AddSingleton(observable));
var endPoint = serviceProvider.GetService<HubEndPoint<ObservableHub>>();
var waitForSubscribe = new TaskCompletionSource<object>();
observable.OnSubscribe = o =>
{
waitForSubscribe.TrySetResult(null);
};
var waitForDispose = new TaskCompletionSource<object>();
observable.OnDispose = o =>
{
waitForDispose.TrySetResult(null);
};
using (var client = new TestClient())
{
var endPointTask = endPoint.OnConnectedAsync(client.Connection);
var invocationId = await client.SendStreamInvocationAsync(nameof(ObservableHub.Subscribe)).OrTimeout();
await waitForSubscribe.Task.OrTimeout();
observable.OnNext(1);
await client.SendHubMessageAsync(new CancelInvocationMessage(invocationId)).OrTimeout();
await waitForDispose.Task.OrTimeout();
Assert.Equal(1L, ((StreamItemMessage)await client.ReadAsync().OrTimeout()).Item);
client.Dispose();
await endPointTask.OrTimeout();
}
}
[Fact]
public async Task MissingNegotiateAndMessageSentFromHubConnectionCanBeDisposedCleanly()
{
var serviceProvider = CreateServiceProvider();
var endPoint = serviceProvider.GetService<HubEndPoint<SimpleHub>>();
using (var client = new TestClient())
{
// TestClient automatically writes negotiate, for this test we want to assume negotiate never gets sent
client.Connection.Transport.In.TryRead(out var item);
var endPointTask = endPoint.OnConnectedAsync(client.Connection);
// kill the connection
client.Dispose();
await endPointTask;
}
}
[Fact]
public async Task NegotiateTimesOut()
{
var serviceProvider = CreateServiceProvider(services =>
{
services.Configure<HubOptions>(hubOptions =>
{
hubOptions.NegotiateTimeout = TimeSpan.FromMilliseconds(5);
});
});
var endPoint = serviceProvider.GetService<HubEndPoint<SimpleHub>>();
using (var client = new TestClient())
{
// TestClient automatically writes negotiate, for this test we want to assume negotiate never gets sent
client.Connection.Transport.In.TryRead(out var item);
await endPoint.OnConnectedAsync(client.Connection).OrTimeout();
}
}
[Fact]
public async Task CanLoadHubContext()
{
var serviceProvider = CreateServiceProvider();
var context = serviceProvider.GetRequiredService<IHubContext<SimpleHub>>();
await context.Clients.All.InvokeAsync("Send", "test");
}
[Fact]
public async Task CanLoadTypedHubContext()
{
var serviceProvider = CreateServiceProvider();
var context = serviceProvider.GetRequiredService<IHubContext<SimpleTypedHub, ITypedHubClient>>();
await context.Clients.All.Send("test");
}
[Fact]
public async Task LifetimeManagerOnDisconnectedAsyncCalledIfLifetimeManagerOnConnectedAsyncThrows()
{
var mockLifetimeManager = new Mock<HubLifetimeManager<Hub>>();
mockLifetimeManager
.Setup(m => m.OnConnectedAsync(It.IsAny<HubConnectionContext>()))
.Throws(new InvalidOperationException("Lifetime manager OnConnectedAsync failed."));
var mockHubActivator = new Mock<IHubActivator<Hub>>();
var serviceProvider = CreateServiceProvider(services =>
{
services.AddSingleton(mockLifetimeManager.Object);
services.AddSingleton(mockHubActivator.Object);
});
var endPoint = serviceProvider.GetService<HubEndPoint<Hub>>();
using (var client = new TestClient())
{
var exception =
await Assert.ThrowsAsync<InvalidOperationException>(
async () => await endPoint.OnConnectedAsync(client.Connection));
Assert.Equal("Lifetime manager OnConnectedAsync failed.", exception.Message);
client.Dispose();
mockLifetimeManager.Verify(m => m.OnConnectedAsync(It.IsAny<HubConnectionContext>()), Times.Once);
mockLifetimeManager.Verify(m => m.OnDisconnectedAsync(It.IsAny<HubConnectionContext>()), Times.Once);
// No hubs should be created since the connection is terminated
mockHubActivator.Verify(m => m.Create(), Times.Never);
mockHubActivator.Verify(m => m.Release(It.IsAny<Hub>()), Times.Never);
}
}
[Fact]
public async Task HubOnDisconnectedAsyncCalledIfHubOnConnectedAsyncThrows()
{
var mockLifetimeManager = new Mock<HubLifetimeManager<OnConnectedThrowsHub>>();
var serviceProvider = CreateServiceProvider(services =>
{
services.AddSingleton(mockLifetimeManager.Object);
});
var endPoint = serviceProvider.GetService<HubEndPoint<OnConnectedThrowsHub>>();
using (var client = new TestClient())
{
var endPointTask = endPoint.OnConnectedAsync(client.Connection);
client.Dispose();
var exception = await Assert.ThrowsAsync<InvalidOperationException>(async () => await endPointTask);
Assert.Equal("Hub OnConnected failed.", exception.Message);
mockLifetimeManager.Verify(m => m.OnConnectedAsync(It.IsAny<HubConnectionContext>()), Times.Once);
mockLifetimeManager.Verify(m => m.OnDisconnectedAsync(It.IsAny<HubConnectionContext>()), Times.Once);
}
}
[Fact]
public async Task LifetimeManagerOnDisconnectedAsyncCalledIfHubOnDisconnectedAsyncThrows()
{
var mockLifetimeManager = new Mock<HubLifetimeManager<OnDisconnectedThrowsHub>>();
var serviceProvider = CreateServiceProvider(services =>
{
services.AddSingleton(mockLifetimeManager.Object);
});
var endPoint = serviceProvider.GetService<HubEndPoint<OnDisconnectedThrowsHub>>();
using (var client = new TestClient())
{
var endPointTask = endPoint.OnConnectedAsync(client.Connection);
client.Dispose();
var exception = await Assert.ThrowsAsync<InvalidOperationException>(async () => await endPointTask);
Assert.Equal("Hub OnDisconnected failed.", exception.Message);
mockLifetimeManager.Verify(m => m.OnConnectedAsync(It.IsAny<HubConnectionContext>()), Times.Once);
mockLifetimeManager.Verify(m => m.OnDisconnectedAsync(It.IsAny<HubConnectionContext>()), Times.Once);
}
}
[Fact]
public async Task HubMethodCanReturnValueFromTask()
{
var serviceProvider = CreateServiceProvider();
var endPoint = serviceProvider.GetService<HubEndPoint<MethodHub>>();
using (var client = new TestClient())
{
var endPointTask = endPoint.OnConnectedAsync(client.Connection);
var result = (await client.InvokeAsync(nameof(MethodHub.TaskValueMethod)).OrTimeout()).Result;
// json serializer makes this a long
Assert.Equal(42L, result);
// kill the connection
client.Dispose();
await endPointTask.OrTimeout();
}
}
[Theory]
[MemberData(nameof(HubTypes))]
public async Task HubMethodsAreCaseInsensitive(Type hubType)
{
var serviceProvider = CreateServiceProvider();
dynamic endPoint = serviceProvider.GetService(GetEndPointType(hubType));
using (var client = new TestClient())
{
Task endPointTask = endPoint.OnConnectedAsync(client.Connection);
var result = (await client.InvokeAsync("echo", "hello").OrTimeout()).Result;
Assert.Equal("hello", result);
// kill the connection
client.Dispose();
await endPointTask.OrTimeout();
}
}
[Theory]
[InlineData(nameof(MethodHub.MethodThatThrows))]
[InlineData(nameof(MethodHub.MethodThatYieldsFailedTask))]
public async Task HubMethodCanThrowOrYieldFailedTask(string methodName)
{
var serviceProvider = CreateServiceProvider();
var endPoint = serviceProvider.GetService<HubEndPoint<MethodHub>>();
using (var client = new TestClient())
{
var endPointTask = endPoint.OnConnectedAsync(client.Connection);
var result = (await client.InvokeAsync(methodName).OrTimeout());
Assert.Equal("BOOM!", result.Error);
// kill the connection
client.Dispose();
await endPointTask.OrTimeout();
}
}
[Fact]
public async Task HubMethodCanReturnValue()
{
var serviceProvider = CreateServiceProvider();
var endPoint = serviceProvider.GetService<HubEndPoint<MethodHub>>();
using (var client = new TestClient())
{
var endPointTask = endPoint.OnConnectedAsync(client.Connection);
var result = (await client.InvokeAsync(nameof(MethodHub.ValueMethod)).OrTimeout()).Result;
// json serializer makes this a long
Assert.Equal(43L, result);
// kill the connection
client.Dispose();
await endPointTask.OrTimeout();
}
}
[Fact]
public async Task HubMethodCanBeVoid()
{
var serviceProvider = CreateServiceProvider();
var endPoint = serviceProvider.GetService<HubEndPoint<MethodHub>>();
using (var client = new TestClient())
{
var endPointTask = endPoint.OnConnectedAsync(client.Connection);
var result = (await client.InvokeAsync(nameof(MethodHub.VoidMethod)).OrTimeout()).Result;
Assert.Null(result);
// kill the connection
client.Dispose();
await endPointTask.OrTimeout();
}
}
[Theory]
[InlineData(nameof(MethodHub.VoidMethod))]
[InlineData(nameof(MethodHub.MethodThatThrows))]
public async Task NonBlockingInvocationDoesNotSendCompletion(string methodName)
{
var serviceProvider = CreateServiceProvider();
var endPoint = serviceProvider.GetService<HubEndPoint<MethodHub>>();
using (var client = new TestClient(synchronousCallbacks: true))
{
var endPointTask = endPoint.OnConnectedAsync(client.Connection);
// This invocation should be completely synchronous
await client.SendInvocationAsync(methodName, nonBlocking: true).OrTimeout();
// Nothing should have been written
Assert.False(client.Application.In.TryRead(out var buffer));
// kill the connection
client.Dispose();
await endPointTask.OrTimeout();
}
}
[Fact]
public async Task HubMethodWithMultiParam()
{
var serviceProvider = CreateServiceProvider();
var endPoint = serviceProvider.GetService<HubEndPoint<MethodHub>>();
using (var client = new TestClient())
{
var endPointTask = endPoint.OnConnectedAsync(client.Connection);
var result = (await client.InvokeAsync(nameof(MethodHub.ConcatString), (byte)32, 42, 'm', "string").OrTimeout()).Result;
Assert.Equal("32, 42, m, string", result);
// kill the connection
client.Dispose();
await endPointTask.OrTimeout();
}
}
[Fact]
public async Task CanCallInheritedHubMethodFromInheritingHub()
{
var serviceProvider = CreateServiceProvider();
var endPoint = serviceProvider.GetService<HubEndPoint<InheritedHub>>();
using (var client = new TestClient())
{
var endPointTask = endPoint.OnConnectedAsync(client.Connection);
var result = (await client.InvokeAsync(nameof(InheritedHub.BaseMethod), "string").OrTimeout()).Result;
Assert.Equal("string", result);
// kill the connection
client.Dispose();
await endPointTask.OrTimeout();
}
}
[Fact]
public async Task CanCallOverridenVirtualHubMethod()
{
var serviceProvider = CreateServiceProvider();
var endPoint = serviceProvider.GetService<HubEndPoint<InheritedHub>>();
using (var client = new TestClient())
{
var endPointTask = endPoint.OnConnectedAsync(client.Connection);
var result = (await client.InvokeAsync(nameof(InheritedHub.VirtualMethod), 10).OrTimeout()).Result;
Assert.Equal(0L, result);
// kill the connection
client.Dispose();
await endPointTask.OrTimeout();
}
}
[Fact]
public async Task CannotCallOverriddenBaseHubMethod()
{
var serviceProvider = CreateServiceProvider();
var endPoint = serviceProvider.GetService<HubEndPoint<MethodHub>>();
using (var client = new TestClient())
{
var endPointTask = endPoint.OnConnectedAsync(client.Connection);
var result = await client.InvokeAsync(nameof(MethodHub.OnDisconnectedAsync)).OrTimeout();
Assert.Equal("Unknown hub method 'OnDisconnectedAsync'", result.Error);
// kill the connection
client.Dispose();
await endPointTask.OrTimeout();
}
}
[Fact]
public void HubsCannotHaveOverloadedMethods()
{
var serviceProvider = CreateServiceProvider();
try
{
var endPoint = serviceProvider.GetService<HubEndPoint<InvalidHub>>();
Assert.True(false);
}
catch (NotSupportedException ex)
{
Assert.Equal("Duplicate definitions of 'OverloadedMethod'. Overloading is not supported.", ex.Message);
}
}
[Fact]
public async Task CannotCallStaticHubMethods()
{
var serviceProvider = CreateServiceProvider();
var endPoint = serviceProvider.GetService<HubEndPoint<MethodHub>>();
using (var client = new TestClient())
{
var endPointTask = endPoint.OnConnectedAsync(client.Connection);
var result = await client.InvokeAsync(nameof(MethodHub.StaticMethod)).OrTimeout();
Assert.Equal("Unknown hub method 'StaticMethod'", result.Error);
// kill the connection
client.Dispose();
await endPointTask.OrTimeout();
}
}
[Fact]
public async Task CannotCallObjectMethodsOnHub()
{
var serviceProvider = CreateServiceProvider();
var endPoint = serviceProvider.GetService<HubEndPoint<MethodHub>>();
using (var client = new TestClient())
{
var endPointTask = endPoint.OnConnectedAsync(client.Connection);
var result = await client.InvokeAsync(nameof(MethodHub.ToString)).OrTimeout();
Assert.Equal("Unknown hub method 'ToString'", result.Error);
result = await client.InvokeAsync(nameof(MethodHub.GetHashCode)).OrTimeout();
Assert.Equal("Unknown hub method 'GetHashCode'", result.Error);
result = await client.InvokeAsync(nameof(MethodHub.Equals)).OrTimeout();
Assert.Equal("Unknown hub method 'Equals'", result.Error);
result = await client.InvokeAsync(nameof(MethodHub.ReferenceEquals)).OrTimeout();
Assert.Equal("Unknown hub method 'ReferenceEquals'", result.Error);
// kill the connection
client.Dispose();
await endPointTask.OrTimeout();
}
}
[Fact]
public async Task CannotCallDisposeMethodOnHub()
{
var serviceProvider = CreateServiceProvider();
var endPoint = serviceProvider.GetService<HubEndPoint<MethodHub>>();
using (var client = new TestClient())
{
var endPointTask = endPoint.OnConnectedAsync(client.Connection);
var result = await client.InvokeAsync(nameof(MethodHub.Dispose)).OrTimeout();
Assert.Equal("Unknown hub method 'Dispose'", result.Error);
// kill the connection
client.Dispose();
await endPointTask.OrTimeout();
}
}
[Theory]
[MemberData(nameof(HubTypes))]
public async Task BroadcastHubMethodSendsToAllClients(Type hubType)
{
var serviceProvider = CreateServiceProvider();
dynamic endPoint = serviceProvider.GetService(GetEndPointType(hubType));
using (var firstClient = new TestClient())
using (var secondClient = new TestClient())
{
Task firstEndPointTask = endPoint.OnConnectedAsync(firstClient.Connection);
Task secondEndPointTask = endPoint.OnConnectedAsync(secondClient.Connection);
await Task.WhenAll(firstClient.Connected, secondClient.Connected).OrTimeout();
await firstClient.SendInvocationAsync(nameof(MethodHub.BroadcastMethod), "test").OrTimeout();
foreach (var result in await Task.WhenAll(
firstClient.ReadAsync(),
secondClient.ReadAsync()).OrTimeout())
{
var invocation = Assert.IsType<InvocationMessage>(result);
Assert.Equal("Broadcast", invocation.Target);
Assert.Single(invocation.Arguments);
Assert.Equal("test", invocation.Arguments[0]);
}
// kill the connections
firstClient.Dispose();
secondClient.Dispose();
await Task.WhenAll(firstEndPointTask, secondEndPointTask).OrTimeout();
}
}
[Fact]
public async Task SendArraySendsArrayToAllClients()
{
var serviceProvider = CreateServiceProvider();
var endPoint = serviceProvider.GetService<HubEndPoint<MethodHub>>();
using (var firstClient = new TestClient())
using (var secondClient = new TestClient())
{
Task firstEndPointTask = endPoint.OnConnectedAsync(firstClient.Connection);
Task secondEndPointTask = endPoint.OnConnectedAsync(secondClient.Connection);
await Task.WhenAll(firstClient.Connected, secondClient.Connected).OrTimeout();
await firstClient.SendInvocationAsync(nameof(MethodHub.SendArray)).OrTimeout();
foreach (var result in await Task.WhenAll(
firstClient.ReadAsync(),
secondClient.ReadAsync()).OrTimeout())
{
var invocation = Assert.IsType<InvocationMessage>(result);
Assert.Equal("Array", invocation.Target);
Assert.Single(invocation.Arguments);
var values = ((JArray)invocation.Arguments[0]).Select(t => t.Value<int>()).ToArray();
Assert.Equal(new int[] { 1, 2, 3 }, values);
}
// kill the connections
firstClient.Dispose();
secondClient.Dispose();
await Task.WhenAll(firstEndPointTask, secondEndPointTask).OrTimeout();
}
}
[Theory]
[MemberData(nameof(HubTypes))]
public async Task SendToAllExcept(Type hubType)
{
var serviceProvider = CreateServiceProvider();
dynamic endPoint = serviceProvider.GetService(GetEndPointType(hubType));
using (var firstClient = new TestClient())
using (var secondClient = new TestClient())
using (var thirdClient = new TestClient())
{
Task firstEndPointTask = endPoint.OnConnectedAsync(firstClient.Connection);
Task secondEndPointTask = endPoint.OnConnectedAsync(secondClient.Connection);
Task thirdEndPointTask = endPoint.OnConnectedAsync(thirdClient.Connection);
await Task.WhenAll(firstClient.Connected, secondClient.Connected, thirdClient.Connected).OrTimeout();
var excludeSecondClientId = new HashSet<string>();
excludeSecondClientId.Add(secondClient.Connection.ConnectionId);
var excludeThirdClientId = new HashSet<string>();
excludeThirdClientId.Add(thirdClient.Connection.ConnectionId);
await firstClient.SendInvocationAsync("SendToAllExcept", "To second", excludeThirdClientId).OrTimeout();
await firstClient.SendInvocationAsync("SendToAllExcept", "To third", excludeSecondClientId).OrTimeout();
var secondClientResult = await secondClient.ReadAsync().OrTimeout();
var invocation = Assert.IsType<InvocationMessage>(secondClientResult);
Assert.Equal("Send", invocation.Target);
Assert.Equal("To second", invocation.Arguments[0]);
var thirdClientResult = await thirdClient.ReadAsync().OrTimeout();
invocation = Assert.IsType<InvocationMessage>(thirdClientResult);
Assert.Equal("Send", invocation.Target);
Assert.Equal("To third", invocation.Arguments[0]);
// kill the connections
firstClient.Dispose();
secondClient.Dispose();
thirdClient.Dispose();
await Task.WhenAll(firstEndPointTask, secondEndPointTask, thirdEndPointTask).OrTimeout();
}
}
[Theory]
[MemberData(nameof(HubTypes))]
public async Task HubsCanAddAndSendToGroup(Type hubType)
{
var serviceProvider = CreateServiceProvider();
dynamic endPoint = serviceProvider.GetService(GetEndPointType(hubType));
using (var firstClient = new TestClient())
using (var secondClient = new TestClient())
{
Task firstEndPointTask = endPoint.OnConnectedAsync(firstClient.Connection);
Task secondEndPointTask = endPoint.OnConnectedAsync(secondClient.Connection);
await Task.WhenAll(firstClient.Connected, secondClient.Connected).OrTimeout();
var result = (await firstClient.InvokeAsync("GroupSendMethod", "testGroup", "test").OrTimeout()).Result;
// check that 'firstConnection' hasn't received the group send
Assert.Null(firstClient.TryRead());
// check that 'secondConnection' hasn't received the group send
Assert.Null(secondClient.TryRead());
result = (await secondClient.InvokeAsync(nameof(MethodHub.GroupAddMethod), "testGroup").OrTimeout()).Result;
await firstClient.SendInvocationAsync(nameof(MethodHub.GroupSendMethod), "testGroup", "test").OrTimeout();
// check that 'secondConnection' has received the group send
var hubMessage = await secondClient.ReadAsync().OrTimeout();
var invocation = Assert.IsType<InvocationMessage>(hubMessage);
Assert.Equal("Send", invocation.Target);
Assert.Single(invocation.Arguments);
Assert.Equal("test", invocation.Arguments[0]);
// kill the connections
firstClient.Dispose();
secondClient.Dispose();
await Task.WhenAll(firstEndPointTask, secondEndPointTask).OrTimeout();
}
}
[Fact]
public async Task RemoveFromGroupWhenNotInGroupDoesNotFail()
{
var serviceProvider = CreateServiceProvider();
var endPoint = serviceProvider.GetService<HubEndPoint<MethodHub>>();
using (var client = new TestClient())
{
var endPointTask = endPoint.OnConnectedAsync(client.Connection);
await client.SendInvocationAsync(nameof(MethodHub.GroupRemoveMethod), "testGroup").OrTimeout();
// kill the connection
client.Dispose();
await endPointTask.OrTimeout();
}
}
[Theory]
[MemberData(nameof(HubTypes))]
public async Task HubsCanSendToUser(Type hubType)
{
var serviceProvider = CreateServiceProvider();
dynamic endPoint = serviceProvider.GetService(GetEndPointType(hubType));
using (var firstClient = new TestClient(addClaimId: true))
using (var secondClient = new TestClient(addClaimId: true))
{
Task firstEndPointTask = endPoint.OnConnectedAsync(firstClient.Connection);
Task secondEndPointTask = endPoint.OnConnectedAsync(secondClient.Connection);
await Task.WhenAll(firstClient.Connected, secondClient.Connected).OrTimeout();
await firstClient.SendInvocationAsync("ClientSendMethod", secondClient.Connection.User.FindFirst(ClaimTypes.NameIdentifier)?.Value, "test").OrTimeout();
// check that 'secondConnection' has received the group send
var hubMessage = await secondClient.ReadAsync().OrTimeout();
var invocation = Assert.IsType<InvocationMessage>(hubMessage);
Assert.Equal("Send", invocation.Target);
Assert.Single(invocation.Arguments);
Assert.Equal("test", invocation.Arguments[0]);
// kill the connections
firstClient.Dispose();
secondClient.Dispose();
await Task.WhenAll(firstEndPointTask, secondEndPointTask).OrTimeout();
}
}
[Theory]
[MemberData(nameof(HubTypes))]
public async Task HubsCanSendToConnection(Type hubType)
{
var serviceProvider = CreateServiceProvider();
dynamic endPoint = serviceProvider.GetService(GetEndPointType(hubType));
using (var firstClient = new TestClient())
using (var secondClient = new TestClient())
{
Task firstEndPointTask = endPoint.OnConnectedAsync(firstClient.Connection);
Task secondEndPointTask = endPoint.OnConnectedAsync(secondClient.Connection);
await Task.WhenAll(firstClient.Connected, secondClient.Connected).OrTimeout();
await firstClient.SendInvocationAsync("ConnectionSendMethod", secondClient.Connection.ConnectionId, "test").OrTimeout();
// check that 'secondConnection' has received the group send
var hubMessage = await secondClient.ReadAsync().OrTimeout();
var invocation = Assert.IsType<InvocationMessage>(hubMessage);
Assert.Equal("Send", invocation.Target);
Assert.Single(invocation.Arguments);
Assert.Equal("test", invocation.Arguments[0]);
// kill the connections
firstClient.Dispose();
secondClient.Dispose();
await Task.WhenAll(firstEndPointTask, secondEndPointTask).OrTimeout();
}
}
[Fact]
public async Task DelayedSendTest()
{
var serviceProvider = CreateServiceProvider();
dynamic endPoint = serviceProvider.GetService(GetEndPointType(typeof(HubT)));
using (var firstClient = new TestClient())
using (var secondClient = new TestClient())
{
Task firstEndPointTask = endPoint.OnConnectedAsync(firstClient.Connection);
Task secondEndPointTask = endPoint.OnConnectedAsync(secondClient.Connection);
await Task.WhenAll(firstClient.Connected, secondClient.Connected).OrTimeout();
await firstClient.SendInvocationAsync("DelayedSend", secondClient.Connection.ConnectionId, "test").OrTimeout();
// check that 'secondConnection' has received the group send
var hubMessage = await secondClient.ReadAsync().OrTimeout();
var invocation = Assert.IsType<InvocationMessage>(hubMessage);
Assert.Equal("Send", invocation.Target);
Assert.Single(invocation.Arguments);
Assert.Equal("test", invocation.Arguments[0]);
// kill the connections
firstClient.Dispose();
secondClient.Dispose();
await Task.WhenAll(firstEndPointTask, secondEndPointTask).OrTimeout();
}
}
[Theory]
[MemberData(nameof(StreamingMethodAndHubProtocols))]
public async Task HubsCanStreamResponses(string method, IHubProtocol protocol)
{
var serviceProvider = CreateServiceProvider();
var endPoint = serviceProvider.GetService<HubEndPoint<StreamingHub>>();
var invocationBinder = new Mock<IInvocationBinder>();
invocationBinder.Setup(b => b.GetReturnType(It.IsAny<string>())).Returns(typeof(string));
using (var client = new TestClient(synchronousCallbacks: false, protocol: protocol, invocationBinder: invocationBinder.Object))
{
var transportFeature = new Mock<IConnectionTransportFeature>();
transportFeature.SetupGet(f => f.TransportCapabilities)
.Returns(protocol.Type == ProtocolType.Binary ? TransferMode.Binary : TransferMode.Text);
client.Connection.Features.Set(transportFeature.Object);
var endPointLifetime = endPoint.OnConnectedAsync(client.Connection);
await client.Connected.OrTimeout();
var messages = await client.StreamAsync(method, 4).OrTimeout();
Assert.Equal(5, messages.Count);
AssertHubMessage(new StreamItemMessage(string.Empty, "0"), messages[0]);
AssertHubMessage(new StreamItemMessage(string.Empty, "1"), messages[1]);
AssertHubMessage(new StreamItemMessage(string.Empty, "2"), messages[2]);
AssertHubMessage(new StreamItemMessage(string.Empty, "3"), messages[3]);
AssertHubMessage(CompletionMessage.Empty(string.Empty), messages[4]);
client.Dispose();
await endPointLifetime.OrTimeout();
}
}
[Fact]
public async Task NonErrorCompletionSentWhenStreamCanceledFromClient()
{
var serviceProvider = CreateServiceProvider();
var endPoint = serviceProvider.GetService<HubEndPoint<StreamingHub>>();
using (var client = new TestClient())
{
var endPointLifetime = endPoint.OnConnectedAsync(client.Connection);
await client.Connected.OrTimeout();
var invocationId = Guid.NewGuid().ToString("N");
await client.SendHubMessageAsync(new StreamInvocationMessage(invocationId, nameof(StreamingHub.BlockingStream),
argumentBindingException: null));
// cancel the Streaming method
await client.SendHubMessageAsync(new CancelInvocationMessage(invocationId)).OrTimeout();
var hubMessage = Assert.IsType<CompletionMessage>(await client.ReadAsync().OrTimeout());
Assert.Equal(invocationId, hubMessage.InvocationId);
Assert.Null(hubMessage.Error);
client.Dispose();
await endPointLifetime.OrTimeout();
}
}
public static IEnumerable<object[]> StreamingMethodAndHubProtocols
{
get
{
foreach (var method in new[] { nameof(StreamingHub.CounterChannel), nameof(StreamingHub.CounterObservable) })
{
foreach (var protocol in new IHubProtocol[] { new JsonHubProtocol(), new MessagePackHubProtocol() })
{
yield return new object[] { method, protocol };
}
}
}
}
[Fact]
public async Task UnauthorizedConnectionCannotInvokeHubMethodWithAuthorization()
{
var serviceProvider = CreateServiceProvider(services =>
{
services.AddAuthorization(options =>
{
options.AddPolicy("test", policy =>
{
policy.RequireClaim(ClaimTypes.NameIdentifier);
policy.AddAuthenticationSchemes("Default");
});
});
});
var endPoint = serviceProvider.GetService<HubEndPoint<MethodHub>>();
using (var client = new TestClient())
{
var endPointLifetime = endPoint.OnConnectedAsync(client.Connection);
await client.Connected.OrTimeout();
var message = await client.InvokeAsync(nameof(MethodHub.AuthMethod)).OrTimeout();
Assert.NotNull(message.Error);
client.Dispose();
await endPointLifetime.OrTimeout();
}
}
[Fact]
public async Task AuthorizedConnectionCanInvokeHubMethodWithAuthorization()
{
var serviceProvider = CreateServiceProvider(services =>
{
services.AddAuthorization(options =>
{
options.AddPolicy("test", policy =>
{
policy.RequireClaim(ClaimTypes.NameIdentifier);
policy.AddAuthenticationSchemes("Default");
});
});
});
var endPoint = serviceProvider.GetService<HubEndPoint<MethodHub>>();
using (var client = new TestClient())
{
client.Connection.User.AddIdentity(new ClaimsIdentity(new[] { new Claim(ClaimTypes.NameIdentifier, "name") }));
var endPointLifetime = endPoint.OnConnectedAsync(client.Connection);
await client.Connected.OrTimeout();
var message = await client.InvokeAsync(nameof(MethodHub.AuthMethod)).OrTimeout();
Assert.Null(message.Error);
client.Dispose();
await endPointLifetime.OrTimeout();
}
}
[Fact]
public async Task HubOptionsCanUseCustomJsonSerializerSettings()
{
var serviceProvider = CreateServiceProvider(services =>
{
services.AddSignalR(o =>
{
o.JsonSerializerSettings = new JsonSerializerSettings
{
ContractResolver = new DefaultContractResolver()
};
});
});
var endPoint = serviceProvider.GetService<HubEndPoint<MethodHub>>();
using (var client = new TestClient())
{
var endPointLifetime = endPoint.OnConnectedAsync(client.Connection);
await client.Connected.OrTimeout();
await client.SendInvocationAsync(nameof(MethodHub.BroadcastItem)).OrTimeout();
var message = (InvocationMessage)await client.ReadAsync().OrTimeout();
var customItem = message.Arguments[0].ToString();
// by default properties serialized by JsonHubProtocol are using camelCasing
Assert.Contains("Message", customItem);
Assert.Contains("paramName", customItem);
client.Dispose();
await endPointLifetime.OrTimeout();
}
}
[Fact]
public async Task JsonHubProtocolUsesCamelCasingByDefault()
{
var serviceProvider = CreateServiceProvider();
var endPoint = serviceProvider.GetService<HubEndPoint<MethodHub>>();
using (var client = new TestClient())
{
var endPointLifetime = endPoint.OnConnectedAsync(client.Connection);
await client.Connected.OrTimeout();
await client.SendInvocationAsync(nameof(MethodHub.BroadcastItem)).OrTimeout();
var message = (InvocationMessage)await client.ReadAsync().OrTimeout();
var customItem = message.Arguments[0].ToString();
// originally Message, paramName
Assert.Contains("message", customItem);
Assert.Contains("paramName", customItem);
client.Dispose();
await endPointLifetime.OrTimeout();
}
}
[Fact]
public async Task HubOptionsCanUseCustomMessagePackSettings()
{
var serializationContext = MessagePackHubProtocol.CreateDefaultSerializationContext();
serializationContext.SerializationMethod = SerializationMethod.Array;
var serviceProvider = CreateServiceProvider(services =>
{
services.AddSignalR(options =>
{
options.MessagePackSerializationContext = serializationContext;
});
});
var endPoint = serviceProvider.GetService<HubEndPoint<MethodHub>>();
using (var client = new TestClient(synchronousCallbacks: false, protocol: new MessagePackHubProtocol(serializationContext)))
{
var transportFeature = new Mock<IConnectionTransportFeature>();
transportFeature.SetupGet(f => f.TransportCapabilities).Returns(TransferMode.Binary);
client.Connection.Features.Set(transportFeature.Object);
var endPointLifetime = endPoint.OnConnectedAsync(client.Connection);
await client.Connected.OrTimeout();
await client.SendInvocationAsync(nameof(MethodHub.BroadcastItem)).OrTimeout();
var message = Assert.IsType<InvocationMessage>(await client.ReadAsync().OrTimeout());
var msgPackObject = Assert.IsType<MessagePackObject>(message.Arguments[0]);
// Custom serialization - object was serialized as an array and not a map
Assert.True(msgPackObject.IsArray);
Assert.Equal(new[] { "test", "param" }, ((MessagePackObject[])msgPackObject.ToObject()).Select(o => o.AsString()));
client.Dispose();
await endPointLifetime.OrTimeout();
}
}
[Fact]
public async Task CanGetHttpContextFromHubConnectionContext()
{
var serviceProvider = CreateServiceProvider();
var endPoint = serviceProvider.GetService<HubEndPoint<MethodHub>>();
using (var client = new TestClient())
{
var httpContext = new DefaultHttpContext();
client.Connection.SetHttpContext(httpContext);
var endPointLifetime = endPoint.OnConnectedAsync(client.Connection);
await client.Connected.OrTimeout();
var result = (await client.InvokeAsync(nameof(MethodHub.HasHttpContext)).OrTimeout()).Result;
Assert.True((bool)result);
client.Dispose();
await endPointLifetime.OrTimeout();
}
}
[Fact]
public async Task GetHttpContextFromHubConnectionContextHandlesNull()
{
var serviceProvider = CreateServiceProvider();
var endPoint = serviceProvider.GetService<HubEndPoint<MethodHub>>();
using (var client = new TestClient())
{
var endPointLifetime = endPoint.OnConnectedAsync(client.Connection);
await client.Connected.OrTimeout();
var result = (await client.InvokeAsync(nameof(MethodHub.HasHttpContext)).OrTimeout()).Result;
Assert.False((bool)result);
client.Dispose();
await endPointLifetime.OrTimeout();
}
}
[Fact]
public async Task ConnectionClosedIfWritingToTransportFails()
{
// MessagePack does not support serializing objects or private types (including anonymous types)
// and throws. In this test we make sure that this exception closes the connection and bubbles up.
var serviceProvider = CreateServiceProvider();
var endPoint = serviceProvider.GetService<HubEndPoint<MethodHub>>();
using (var client = new TestClient(false, new MessagePackHubProtocol()))
{
var transportFeature = new Mock<IConnectionTransportFeature>();
transportFeature.SetupGet(f => f.TransportCapabilities).Returns(TransferMode.Binary);
client.Connection.Features.Set(transportFeature.Object);
var endPointLifetime = endPoint.OnConnectedAsync(client.Connection);
await client.Connected.OrTimeout();
await client.SendInvocationAsync(nameof(MethodHub.SendAnonymousObject)).OrTimeout();
await Assert.ThrowsAsync<SerializationException>(() => endPointLifetime.OrTimeout());
}
}
private static void AssertHubMessage(HubMessage expected, HubMessage actual)
{
// We aren't testing InvocationIds here
switch (expected)
{
case CompletionMessage expectedCompletion:
var actualCompletion = Assert.IsType<CompletionMessage>(actual);
Assert.Equal(expectedCompletion.Error, actualCompletion.Error);
Assert.Equal(expectedCompletion.HasResult, actualCompletion.HasResult);
Assert.Equal(expectedCompletion.Result, actualCompletion.Result);
break;
case StreamItemMessage expectedStreamItem:
var actualStreamItem = Assert.IsType<StreamItemMessage>(actual);
Assert.Equal(expectedStreamItem.Item, actualStreamItem.Item);
break;
case InvocationMessage expectedInvocation:
var actualInvocation = Assert.IsType<InvocationMessage>(actual);
Assert.Equal(expectedInvocation.NonBlocking, actualInvocation.NonBlocking);
Assert.Equal(expectedInvocation.Target, actualInvocation.Target);
Assert.Equal(expectedInvocation.Arguments, actualInvocation.Arguments);
break;
default:
throw new InvalidOperationException($"Unsupported Hub Message type {expected.GetType()}");
}
}
public static IEnumerable<object[]> HubTypes()
{
yield return new[] { typeof(DynamicTestHub) };
yield return new[] { typeof(MethodHub) };
yield return new[] { typeof(HubT) };
}
private static Type GetEndPointType(Type hubType)
{
var endPointType = typeof(HubEndPoint<>);
return endPointType.MakeGenericType(hubType);
}
private static Type GetGenericType(Type genericType, Type hubType)
{
return genericType.MakeGenericType(hubType);
}
private IServiceProvider CreateServiceProvider(Action<ServiceCollection> addServices = null)
{
var services = new ServiceCollection();
services.AddOptions()
.AddLogging()
.AddSignalR();
addServices?.Invoke(services);
return services.BuildServiceProvider();
}
private class DynamicTestHub : DynamicHub
{
public override Task OnConnectedAsync()
{
var tcs = (TaskCompletionSource<bool>)Context.Connection.Metadata["ConnectedTask"];
tcs?.TrySetResult(true);
return base.OnConnectedAsync();
}
public string Echo(string data)
{
return data;
}
public Task ClientSendMethod(string userId, string message)
{
return Clients.User(userId).Send(message);
}
public Task ConnectionSendMethod(string connectionId, string message)
{
return Clients.Client(connectionId).Send(message);
}
public Task GroupAddMethod(string groupName)
{
return Groups.AddAsync(Context.ConnectionId, groupName);
}
public Task GroupSendMethod(string groupName, string message)
{
return Clients.Group(groupName).Send(message);
}
public Task BroadcastMethod(string message)
{
return Clients.All.Broadcast(message);
}
public Task SendToAllExcept(string message, IReadOnlyList<string> excludedIds)
{
return Clients.AllExcept(excludedIds).Send(message);
}
}
public interface Test
{
Task Send(string message);
Task Broadcast(string message);
}
public class Observable<T> : IObservable<T>
{
public List<IObserver<T>> Observers = new List<IObserver<T>>();
public Action<IObserver<T>> OnSubscribe;
public Action<IObserver<T>> OnDispose;
public IDisposable Subscribe(IObserver<T> observer)
{
lock (Observers)
{
Observers.Add(observer);
}
OnSubscribe?.Invoke(observer);
return new DisposableAction(() =>
{
lock (Observers)
{
Observers.Remove(observer);
}
OnDispose?.Invoke(observer);
});
}
public void OnNext(T value)
{
lock (Observers)
{
foreach (var observer in Observers)
{
observer.OnNext(value);
}
}
}
public void Complete()
{
lock (Observers)
{
foreach (var observer in Observers)
{
observer.OnCompleted();
}
}
}
private class DisposableAction : IDisposable
{
private readonly Action _action;
public DisposableAction(Action action)
{
_action = action;
}
public void Dispose()
{
_action();
}
}
}
public class ObservableHub : Hub
{
private readonly Observable<int> _numbers;
public ObservableHub(Observable<int> numbers)
{
_numbers = numbers;
}
public IObservable<int> Subscribe() => _numbers;
}
public class AbortHub : Hub
{
public void Kill()
{
Context.Connection.Abort();
}
}
public class ConnectionLifetimeState
{
public bool TokenCallbackTriggered { get; set; }
public bool TokenStateInConnected { get; set; }
public bool TokenStateInDisconnected { get; set; }
}
public class ConnectionLifetimeHub : Hub
{
private ConnectionLifetimeState _state;
public ConnectionLifetimeHub(ConnectionLifetimeState state)
{
_state = state;
}
public override Task OnConnectedAsync()
{
_state.TokenStateInConnected = Context.Connection.ConnectionAbortedToken.IsCancellationRequested;
Context.Connection.ConnectionAbortedToken.Register(() =>
{
_state.TokenCallbackTriggered = true;
});
return base.OnConnectedAsync();
}
public override Task OnDisconnectedAsync(Exception exception)
{
_state.TokenStateInDisconnected = Context.Connection.ConnectionAbortedToken.IsCancellationRequested;
return base.OnDisconnectedAsync(exception);
}
}
public class HubT : Hub<Test>
{
public override Task OnConnectedAsync()
{
var tcs = (TaskCompletionSource<bool>)Context.Connection.Metadata["ConnectedTask"];
tcs?.TrySetResult(true);
return base.OnConnectedAsync();
}
public string Echo(string data)
{
return data;
}
public Task ClientSendMethod(string userId, string message)
{
return Clients.User(userId).Send(message);
}
public Task ConnectionSendMethod(string connectionId, string message)
{
return Clients.Client(connectionId).Send(message);
}
public async Task DelayedSend(string connectionId, string message)
{
await Task.Delay(100);
await Clients.Client(connectionId).Send(message);
}
public Task GroupAddMethod(string groupName)
{
return Groups.AddAsync(Context.ConnectionId, groupName);
}
public Task GroupSendMethod(string groupName, string message)
{
return Clients.Group(groupName).Send(message);
}
public Task BroadcastMethod(string message)
{
return Clients.All.Broadcast(message);
}
public Task SendToAllExcept(string message, IReadOnlyList<string> excludedIds)
{
return Clients.AllExcept(excludedIds).Send(message);
}
}
public class StreamingHub : TestHub
{
public IObservable<string> CounterObservable(int count)
{
return new CountingObservable(count);
}
public ReadableChannel<string> CounterChannel(int count)
{
var channel = Channel.CreateUnbounded<string>();
var task = Task.Run(async () =>
{
for (int i = 0; i < count; i++)
{
await channel.Out.WriteAsync(i.ToString());
}
channel.Out.Complete();
});
return channel.In;
}
public ReadableChannel<string> BlockingStream()
{
return Channel.CreateUnbounded<string>().In;
}
private class CountingObservable : IObservable<string>
{
private int _count;
public CountingObservable(int count)
{
_count = count;
}
public IDisposable Subscribe(IObserver<string> observer)
{
var cts = new CancellationTokenSource();
Task.Run(() =>
{
for (int i = 0; !cts.Token.IsCancellationRequested && i < _count; i++)
{
observer.OnNext(i.ToString());
}
observer.OnCompleted();
});
return new CancellationDisposable(cts);
}
}
}
public class OnConnectedThrowsHub : Hub
{
public override Task OnConnectedAsync()
{
var tcs = new TaskCompletionSource<object>();
tcs.SetException(new InvalidOperationException("Hub OnConnected failed."));
return tcs.Task;
}
}
public class OnDisconnectedThrowsHub : TestHub
{
public override Task OnDisconnectedAsync(Exception exception)
{
var tcs = new TaskCompletionSource<object>();
tcs.SetException(new InvalidOperationException("Hub OnDisconnected failed."));
return tcs.Task;
}
}
public class Result
{
public string Message { get; set; }
#pragma warning disable IDE1006 // Naming Styles
// testing casing
public string paramName { get; set; }
#pragma warning restore IDE1006 // Naming Styles
}
private class MethodHub : TestHub
{
public Task GroupRemoveMethod(string groupName)
{
return Groups.RemoveAsync(Context.ConnectionId, groupName);
}
public Task ClientSendMethod(string userId, string message)
{
return Clients.User(userId).InvokeAsync("Send", message);
}
public Task ConnectionSendMethod(string connectionId, string message)
{
return Clients.Client(connectionId).InvokeAsync("Send", message);
}
public Task GroupAddMethod(string groupName)
{
return Groups.AddAsync(Context.ConnectionId, groupName);
}
public Task GroupSendMethod(string groupName, string message)
{
return Clients.Group(groupName).InvokeAsync("Send", message);
}
public Task BroadcastMethod(string message)
{
return Clients.All.InvokeAsync("Broadcast", message);
}
public Task BroadcastItem()
{
return Clients.All.InvokeAsync("Broadcast", new Result { Message = "test", paramName = "param" });
}
public Task SendArray()
{
return Clients.All.InvokeAsync("Array", new int[] { 1, 2, 3 });
}
public Task<int> TaskValueMethod()
{
return Task.FromResult(42);
}
public int ValueMethod()
{
return 43;
}
public string Echo(string data)
{
return data;
}
public void VoidMethod()
{
}
public string ConcatString(byte b, int i, char c, string s)
{
return $"{b}, {i}, {c}, {s}";
}
public Task SendAnonymousObject()
{
return Clients.Client(Context.ConnectionId).InvokeAsync("Send", new { });
}
public override Task OnDisconnectedAsync(Exception e)
{
return Task.CompletedTask;
}
public void MethodThatThrows()
{
throw new InvalidOperationException("BOOM!");
}
public Task MethodThatYieldsFailedTask()
{
return Task.FromException(new InvalidOperationException("BOOM!"));
}
public static void StaticMethod()
{
}
[Authorize("test")]
public void AuthMethod()
{
}
public Task SendToAllExcept(string message, IReadOnlyList<string> excludedIds)
{
return Clients.AllExcept(excludedIds).InvokeAsync("Send", message);
}
public bool HasHttpContext()
{
return Context.Connection.GetHttpContext() != null;
}
}
private class InheritedHub : BaseHub
{
public override int VirtualMethod(int num)
{
return num - 10;
}
}
private class BaseHub : TestHub
{
public string BaseMethod(string message)
{
return message;
}
public virtual int VirtualMethod(int num)
{
return num;
}
}
private class InvalidHub : TestHub
{
public void OverloadedMethod(int num)
{
}
public void OverloadedMethod(string message)
{
}
}
private class DisposeTrackingHub : TestHub
{
private TrackDispose _trackDispose;
public DisposeTrackingHub(TrackDispose trackDispose)
{
_trackDispose = trackDispose;
}
protected override void Dispose(bool dispose)
{
if (dispose)
{
_trackDispose.DisposeCount++;
}
}
}
private class TrackDispose
{
public int DisposeCount = 0;
}
public abstract class TestHub : Hub
{
public override Task OnConnectedAsync()
{
var tcs = (TaskCompletionSource<bool>)Context.Connection.Metadata["ConnectedTask"];
tcs?.TrySetResult(true);
return base.OnConnectedAsync();
}
}
public class SimpleHub : Hub
{
public override async Task OnConnectedAsync()
{
await Clients.All.InvokeAsync("Send", $"{Context.ConnectionId} joined");
await base.OnConnectedAsync();
}
}
public interface ITypedHubClient
{
Task Send(string message);
}
public class SimpleTypedHub : Hub<ITypedHubClient>
{
public override async Task OnConnectedAsync()
{
await Clients.All.Send($"{Context.ConnectionId} joined");
await base.OnConnectedAsync();
}
}
}
}