public async Task InvokeFailsWhenFilterCallsNonExistantMethod()
{
bool ExpectedErrors(WriteContext writeContext)
{
return(writeContext.LoggerName == "Microsoft.AspNetCore.SignalR.Internal.DefaultHubDispatcher" &&
writeContext.EventId.Name == "FailedInvokingHubMethod");
}
using (StartVerifiableLog(expectedErrorsFilter: ExpectedErrors))
{
var serviceProvider = HubConnectionHandlerTestUtils.CreateServiceProvider(services =>
{
services.AddSignalR(options =>
{
options.EnableDetailedErrors = true;
options.AddFilter <ChangeMethodFilter>();
});
}, LoggerFactory);
var connectionHandler = serviceProvider.GetService <HubConnectionHandler <MethodHub> >();
using (var client = new TestClient())
{
var connectionHandlerTask = await client.ConnectAsync(connectionHandler);
var message = await client.InvokeAsync("Echo", "Hello");
Assert.Equal("An unexpected error occurred invoking 'Echo' on the server. HubException: Unknown hub method 'BaseMethod'", message.Error);
client.Dispose();
await connectionHandlerTask.OrTimeout();
}
}
}
public async Task FilterCanSkipCallingHubMethod()
{
using (StartVerifiableLog())
{
var serviceProvider = HubConnectionHandlerTestUtils.CreateServiceProvider(services =>
{
services.AddSignalR(options =>
{
options.AddFilter(new SkipNextFilter(skipInvoke: true));
});
}, LoggerFactory);
var connectionHandler = serviceProvider.GetService <HubConnectionHandler <MethodHub> >();
using (var client = new TestClient())
{
var connectionHandlerTask = await client.ConnectAsync(connectionHandler);
await client.Connected.OrTimeout();
var message = await client.InvokeAsync(nameof(MethodHub.Echo), "Hello world!").OrTimeout();
Assert.Null(message.Error);
Assert.Null(message.Result);
client.Dispose();
await connectionHandlerTask.OrTimeout();
}
}
}
public async Task InstanceFiltersWithIAsyncDisposableAreNotDisposed()
{
using (StartVerifiableLog())
{
var tcsService = new TcsService();
var serviceProvider = HubConnectionHandlerTestUtils.CreateServiceProvider(services =>
{
services.AddSignalR(options =>
{
options.EnableDetailedErrors = true;
options.AddFilter(new AsyncDisposableFilter(tcsService));
});
services.AddSingleton(tcsService);
}, LoggerFactory);
var connectionHandler = serviceProvider.GetService <HubConnectionHandler <MethodHub> >();
using (var client = new TestClient())
{
var connectionHandlerTask = await client.ConnectAsync(connectionHandler);
var message = await client.InvokeAsync("Echo", "Hello");
Assert.Equal("Hello", message.Result);
client.Dispose();
await connectionHandlerTask.OrTimeout();
Assert.False(tcsService.StartedMethod.Task.IsCompleted);
}
}
}
public async Task GlobalFiltersRunBeforeHubSpecificFilters()
{
using (StartVerifiableLog())
{
var syncPoint1 = SyncPoint.Create(3, out var syncPoints1);
var syncPoint2 = SyncPoint.Create(3, out var syncPoints2);
var serviceProvider = HubConnectionHandlerTestUtils.CreateServiceProvider(services =>
{
services.AddSignalR(options =>
{
options.AddFilter(new SyncPointFilter(syncPoints1));
})
.AddHubOptions <MethodHub>(options =>
{
options.AddFilter(new SyncPointFilter(syncPoints2));
});
}, LoggerFactory);
var connectionHandler = serviceProvider.GetService <HubConnectionHandler <MethodHub> >();
using (var client = new TestClient())
{
var connectionHandlerTask = await client.ConnectAsync(connectionHandler);
await syncPoints1[0].WaitForSyncPoint().OrTimeout();
// Second filter wont run yet because first filter is waiting on SyncPoint
Assert.False(syncPoints2[0].WaitForSyncPoint().IsCompleted);
syncPoints1[0].Continue();
await syncPoints2[0].WaitForSyncPoint().OrTimeout();
syncPoints2[0].Continue();
await client.Connected.OrTimeout();
var invokeTask = client.InvokeAsync(nameof(MethodHub.Echo), "Hello world!");
await syncPoints1[1].WaitForSyncPoint().OrTimeout();
// Second filter wont run yet because first filter is waiting on SyncPoint
Assert.False(syncPoints2[1].WaitForSyncPoint().IsCompleted);
syncPoints1[1].Continue();
await syncPoints2[1].WaitForSyncPoint().OrTimeout();
syncPoints2[1].Continue();
var message = await invokeTask.OrTimeout();
Assert.Null(message.Error);
client.Dispose();
await syncPoints1[2].WaitForSyncPoint().OrTimeout();
// Second filter wont run yet because first filter is waiting on SyncPoint
Assert.False(syncPoints2[2].WaitForSyncPoint().IsCompleted);
syncPoints1[2].Continue();
await syncPoints2[2].WaitForSyncPoint().OrTimeout();
syncPoints2[2].Continue();
await connectionHandlerTask.OrTimeout();
}
}
}
public async Task ConnectionContinuesIfOnConnectedAsyncNotCalledByFilter()
{
using (StartVerifiableLog())
{
var serviceProvider = HubConnectionHandlerTestUtils.CreateServiceProvider(services =>
{
services.AddSignalR(options =>
{
options.EnableDetailedErrors = true;
options.AddFilter(new SkipNextFilter(skipOnConnected: true));
});
}, LoggerFactory);
var connectionHandler = serviceProvider.GetService <HubConnectionHandler <MethodHub> >();
using (var client = new TestClient())
{
var connectionHandlerTask = await client.ConnectAsync(connectionHandler);
// Verify connection still connected, can't invoke a method if the connection is disconnected
var message = await client.InvokeAsync("Method");
Assert.Equal("Failed to invoke 'Method' due to an error on the server. HubException: Method does not exist.", message.Error);
client.Dispose();
await connectionHandlerTask.OrTimeout();
}
}
}
public async Task HubFilterDoesNotNeedToImplementMethods()
{
using (StartVerifiableLog())
{
var tcsService = new TcsService();
var serviceProvider = HubConnectionHandlerTestUtils.CreateServiceProvider(services =>
{
services.AddSignalR().AddHubOptions <DynamicTestHub>(options =>
{
options.AddFilter(typeof(EmptyFilter));
});
}, LoggerFactory);
var connectionHandler = serviceProvider.GetService <HubConnectionHandler <DynamicTestHub> >();
using (var client = new TestClient())
{
var connectionHandlerTask = await client.ConnectAsync(connectionHandler);
await client.Connected.DefaultTimeout();
var completion = await client.InvokeAsync(nameof(DynamicTestHub.Echo), "hello");
Assert.Null(completion.Error);
Assert.Equal("hello", completion.Result);
client.Dispose();
await connectionHandlerTask.DefaultTimeout();
}
}
}
public async Task MixingTypeAndInstanceHubSpecificFilters_MethodsAreCalled()
{
using (StartVerifiableLog())
{
var tcsService1 = new TcsService();
var tcsService2 = new TcsService();
var serviceProvider = HubConnectionHandlerTestUtils.CreateServiceProvider(services =>
{
services.AddSignalR()
.AddHubOptions <MethodHub>(options =>
{
options.AddFilter(new VerifyMethodFilter(tcsService1));
options.AddFilter <VerifyMethodFilter>();
});
services.AddSingleton(tcsService2);
}, LoggerFactory);
var connectionHandler = serviceProvider.GetService <HubConnectionHandler <MethodHub> >();
using (var client = new TestClient())
{
var connectionHandlerTask = await client.ConnectAsync(connectionHandler);
await tcsService1.StartedMethod.Task.OrTimeout();
await tcsService2.StartedMethod.Task.OrTimeout();
await client.Connected.OrTimeout();
await tcsService1.EndMethod.Task.OrTimeout();
await tcsService2.EndMethod.Task.OrTimeout();
tcsService1.Reset();
tcsService2.Reset();
var message = await client.InvokeAsync(nameof(MethodHub.Echo), "Hello world!").OrTimeout();
await tcsService1.EndMethod.Task.OrTimeout();
await tcsService2.EndMethod.Task.OrTimeout();
tcsService1.Reset();
tcsService2.Reset();
Assert.Null(message.Error);
client.Dispose();
await connectionHandlerTask.OrTimeout();
await tcsService1.EndMethod.Task.OrTimeout();
await tcsService2.EndMethod.Task.OrTimeout();
}
}
}
public async Task FiltersHaveTransientScopeByDefault()
{
using (StartVerifiableLog())
{
var counter = new FilterCounter();
var serviceProvider = HubConnectionHandlerTestUtils.CreateServiceProvider(services =>
{
services.AddSignalR(options =>
{
options.AddFilter <CounterFilter>();
});
services.AddSingleton(counter);
}, LoggerFactory);
var connectionHandler = serviceProvider.GetService <HubConnectionHandler <MethodHub> >();
using (var client = new TestClient())
{
var connectionHandlerTask = await client.ConnectAsync(connectionHandler);
await client.Connected.OrTimeout();
// Filter is transient, so these counts are reset every time the filter is created
Assert.Equal(1, counter.OnConnectedAsyncCount);
Assert.Equal(0, counter.InvokeMethodAsyncCount);
Assert.Equal(0, counter.OnDisconnectedAsyncCount);
var message = await client.InvokeAsync(nameof(MethodHub.Echo), "Hello world!").OrTimeout();
// Filter is transient, so these counts are reset every time the filter is created
Assert.Equal(0, counter.OnConnectedAsyncCount);
Assert.Equal(1, counter.InvokeMethodAsyncCount);
Assert.Equal(0, counter.OnDisconnectedAsyncCount);
Assert.Null(message.Error);
client.Dispose();
await connectionHandlerTask.OrTimeout();
// Filter is transient, so these counts are reset every time the filter is created
Assert.Equal(0, counter.OnConnectedAsyncCount);
Assert.Equal(0, counter.InvokeMethodAsyncCount);
Assert.Equal(1, counter.OnDisconnectedAsyncCount);
}
}
}
public async Task PerHubFilterByInstance_MethodsAreCalled()
{
using (StartVerifiableLog())
{
var tcsService = new TcsService();
var serviceProvider = HubConnectionHandlerTestUtils.CreateServiceProvider(services =>
{
services.AddSignalR().AddHubOptions <MethodHub>(options =>
{
options.AddFilter(new VerifyMethodFilter(tcsService));
});
}, LoggerFactory);
await AssertMethodsCalled(serviceProvider, tcsService);
}
}
public async Task GlobalHubFilterByType_MethodsAreCalled()
{
using (StartVerifiableLog())
{
var tcsService = new TcsService();
var serviceProvider = HubConnectionHandlerTestUtils.CreateServiceProvider(services =>
{
services.AddSignalR(options =>
{
options.AddFilter <VerifyMethodFilter>();
});
services.AddSingleton(tcsService);
}, LoggerFactory);
await AssertMethodsCalled(serviceProvider, tcsService);
}
}
public async Task FilterCanBeResolvedFromDI()
{
using (StartVerifiableLog())
{
var tcsService = new TcsService();
var serviceProvider = HubConnectionHandlerTestUtils.CreateServiceProvider(services =>
{
services.AddSignalR(options =>
{
options.AddFilter <VerifyMethodFilter>();
});
// If this instance wasn't resolved, then the tcsService.StartedMethod waits would never trigger and fail the test
services.AddSingleton(new VerifyMethodFilter(tcsService));
}, LoggerFactory);
await AssertMethodsCalled(serviceProvider, tcsService);
}
}
public async Task FiltersWithIAsyncDisposableAreDisposed()
{
using (StartVerifiableLog())
{
var tcsService = new TcsService();
var serviceProvider = HubConnectionHandlerTestUtils.CreateServiceProvider(services =>
{
services.AddSignalR(options =>
{
options.EnableDetailedErrors = true;
options.AddFilter <AsyncDisposableFilter>();
});
services.AddSingleton(tcsService);
}, LoggerFactory);
var connectionHandler = serviceProvider.GetService <HubConnectionHandler <MethodHub> >();
using (var client = new TestClient())
{
var connectionHandlerTask = await client.ConnectAsync(connectionHandler);
// OnConnectedAsync creates and destroys the filter
await tcsService.StartedMethod.Task.DefaultTimeout();
tcsService.Reset();
var message = await client.InvokeAsync("Echo", "Hello");
Assert.Equal("Hello", message.Result);
await tcsService.StartedMethod.Task.DefaultTimeout();
tcsService.Reset();
client.Dispose();
// OnDisconnectedAsync creates and destroys the filter
await tcsService.StartedMethod.Task.DefaultTimeout();
await connectionHandlerTask.DefaultTimeout();
}
}
}