public async Task HttpConnectionSetsInherentKeepAliveFeature(HttpTransportType transportType, bool expectedValue)
{
using (StartVerifiableLog())
{
var testHttpHandler = new TestHttpMessageHandler(autoNegotiate: false);
testHttpHandler.OnNegotiate((_, cancellationToken) => ResponseUtils.CreateResponse(HttpStatusCode.OK, ResponseUtils.CreateNegotiationContent()));
testHttpHandler.OnRequest((request, next, token) => Task.FromResult(ResponseUtils.CreateResponse(HttpStatusCode.NoContent)));
await WithConnectionAsync(
CreateConnection(testHttpHandler, transportType : transportType, loggerFactory : LoggerFactory),
async (connection) =>
{
await connection.StartAsync().OrTimeout();
var feature = connection.Features.Get <IConnectionInherentKeepAliveFeature>();
Assert.NotNull(feature);
Assert.Equal(expectedValue, feature.HasInherentKeepAlive);
});
}
}
public async Task HttpRequestAndErrorResponseLogged()
{
var testHttpHandler = new TestHttpMessageHandler(false);
testHttpHandler.OnNegotiate((request, cancellationToken) => ResponseUtils.CreateResponse(HttpStatusCode.BadGateway));
var httpOptions = new HttpConnectionOptions();
httpOptions.Url = new Uri("http://fakeuri.org/");
httpOptions.HttpMessageHandlerFactory = inner => testHttpHandler;
const string loggerName = "Microsoft.AspNetCore.Http.Connections.Client.Internal.LoggingHttpMessageHandler";
var testSink = new TestSink();
var logger = new TestLogger(loggerName, testSink, true);
var mockLoggerFactory = new Mock <ILoggerFactory>();
mockLoggerFactory
.Setup(m => m.CreateLogger(It.IsAny <string>()))
.Returns((string categoryName) => (categoryName == loggerName) ? (ILogger)logger : NullLogger.Instance);
try
{
await WithConnectionAsync(
CreateConnection(httpOptions, loggerFactory : mockLoggerFactory.Object),
async (connection) =>
{
await connection.StartAsync(TransferFormat.Text).OrTimeout();
});
}
catch
{
// ignore connection error
}
Assert.Equal(2, testSink.Writes.Count);
Assert.Equal("SendingHttpRequest", testSink.Writes[0].EventId.Name);
Assert.Equal("UnsuccessfulHttpResponse", testSink.Writes[1].EventId.Name);
}
public async Task CorrectlyHandlesQueryStringWhenAppendingNegotiateToUrl(string requestedUrl, string expectedNegotiate)
{
var testHttpHandler = new TestHttpMessageHandler(autoNegotiate: false);
var negotiateUrlTcs = new TaskCompletionSource <string>();
testHttpHandler.OnLongPoll(cancellationToken => ResponseUtils.CreateResponse(HttpStatusCode.NoContent));
testHttpHandler.OnNegotiate((request, cancellationToken) =>
{
negotiateUrlTcs.TrySetResult(request.RequestUri.ToString());
return(ResponseUtils.CreateResponse(HttpStatusCode.OK,
ResponseUtils.CreateNegotiationContent()));
});
await WithConnectionAsync(
CreateConnection(testHttpHandler, url : requestedUrl),
async (connection, closed) =>
{
await connection.StartAsync(TransferFormat.Text).OrTimeout();
});
Assert.Equal(expectedNegotiate, await negotiateUrlTcs.Task.OrTimeout());
}
public async Task HttpConnectionSetsRequestedWithOnAllRequests(HttpTransportType transportType)
{
var testHttpHandler = new TestHttpMessageHandler(autoNegotiate: false);
var requestsExecuted = false;
testHttpHandler.OnNegotiate((_, cancellationToken) =>
{
return(ResponseUtils.CreateResponse(HttpStatusCode.OK, ResponseUtils.CreateNegotiationContent()));
});
testHttpHandler.OnRequest(async(request, next, token) =>
{
var requestedWithHeader = request.Headers.GetValues(HeaderNames.XRequestedWith);
var requestedWithValue = Assert.Single(requestedWithHeader);
Assert.Equal("XMLHttpRequest", requestedWithValue);
requestsExecuted = true;
return(await next());
});
testHttpHandler.OnRequest((request, next, token) =>
{
return(Task.FromResult(ResponseUtils.CreateResponse(HttpStatusCode.NoContent)));
});
await WithConnectionAsync(
CreateConnection(testHttpHandler, transportType : transportType),
async (connection) =>
{
await connection.StartAsync().DefaultTimeout();
await connection.Transport.Output.WriteAsync(Encoding.UTF8.GetBytes("Hello World"));
});
// Fail safe in case the code is modified and some requests don't execute as a result
Assert.True(requestsExecuted);
}
public async Task NegotiateThatReturnsRedirectUrlForeverThrowsAfter100Tries()
{
var testHttpHandler = new TestHttpMessageHandler(autoNegotiate: false);
testHttpHandler.OnNegotiate((request, cancellationToken) =>
{
return(ResponseUtils.CreateResponse(HttpStatusCode.OK,
JsonConvert.SerializeObject(new
{
url = "https://another.domain.url/chat"
})));
});
using (var noErrorScope = new VerifyNoErrorsScope())
{
await WithConnectionAsync(
CreateConnection(testHttpHandler, loggerFactory : noErrorScope.LoggerFactory),
async (connection) =>
{
var exception = await Assert.ThrowsAsync <InvalidOperationException>(() => connection.StartAsync().DefaultTimeout());
Assert.Equal("Negotiate redirection limit exceeded.", exception.Message);
});
}
}
public async Task NegotiateCanHaveNewFields()
{
string connectionId = null;
var testHttpHandler = new TestHttpMessageHandler(autoNegotiate: false);
testHttpHandler.OnNegotiate((request, cancellationToken) => ResponseUtils.CreateResponse(HttpStatusCode.OK,
JsonConvert.SerializeObject(new
{
connectionId = "0rge0d00-0040-0030-0r00-000q00r00e00",
availableTransports = new object[]
{
new
{
transport = "LongPolling",
transferFormats = new[] { "Text" }
},
},
newField = "ignore this",
})));
testHttpHandler.OnLongPoll(cancellationToken => ResponseUtils.CreateResponse(HttpStatusCode.NoContent));
testHttpHandler.OnLongPollDelete((token) => ResponseUtils.CreateResponse(HttpStatusCode.Accepted));
using (var noErrorScope = new VerifyNoErrorsScope())
{
await WithConnectionAsync(
CreateConnection(testHttpHandler, loggerFactory : noErrorScope.LoggerFactory),
async (connection) =>
{
await connection.StartAsync().DefaultTimeout();
connectionId = connection.ConnectionId;
});
}
Assert.Equal("0rge0d00-0040-0030-0r00-000q00r00e00", connectionId);
}
public async Task LongPollingTransportCanBeCanceled()
{
using (StartVerifiableLog())
{
var cts = new CancellationTokenSource();
var httpHandler = new TestHttpMessageHandler(autoNegotiate: false);
httpHandler.OnNegotiate((request, cancellationToken) =>
{
// Cancel token so that the first request poll will throw
cts.Cancel();
return(ResponseUtils.CreateResponse(HttpStatusCode.OK, ResponseUtils.CreateNegotiationContent()));
});
var lp = new LongPollingTransport(new HttpClient(httpHandler));
await WithConnectionAsync(
CreateConnection(httpHandler, transport : lp, transportType : HttpTransportType.LongPolling),
async (connection) =>
{
var ex = await Assert.ThrowsAsync <AggregateException>(async() => await connection.StartAsync(cts.Token).OrTimeout());
});
}
}
public async Task NegotiateThatReturnsRedirectUrlDoesNotAddAnotherNegotiateVersionQueryString()
{
var testHttpHandler = new TestHttpMessageHandler(autoNegotiate: false);
var negotiateCount = 0;
testHttpHandler.OnNegotiate((request, cancellationToken) =>
{
negotiateCount++;
if (negotiateCount == 1)
{
return(ResponseUtils.CreateResponse(HttpStatusCode.OK,
JsonConvert.SerializeObject(new
{
url = "https://another.domain.url/chat?negotiateVersion=1"
})));
}
else
{
return(ResponseUtils.CreateResponse(HttpStatusCode.OK,
JsonConvert.SerializeObject(new
{
connectionId = "0rge0d00-0040-0030-0r00-000q00r00e00",
availableTransports = new object[]
{
new
{
transport = "LongPolling",
transferFormats = new[] { "Text" }
},
}
})));
}
});
testHttpHandler.OnLongPoll((token) =>
{
var tcs = new TaskCompletionSource <HttpResponseMessage>(TaskCreationOptions.RunContinuationsAsynchronously);
token.Register(() => tcs.TrySetResult(ResponseUtils.CreateResponse(HttpStatusCode.NoContent)));
return(tcs.Task);
});
testHttpHandler.OnLongPollDelete((token) => ResponseUtils.CreateResponse(HttpStatusCode.Accepted));
using (var noErrorScope = new VerifyNoErrorsScope())
{
await WithConnectionAsync(
CreateConnection(testHttpHandler, loggerFactory : noErrorScope.LoggerFactory),
async (connection) =>
{
await connection.StartAsync().DefaultTimeout();
});
}
Assert.Equal("http://fakeuri.org/negotiate?negotiateVersion=1", testHttpHandler.ReceivedRequests[0].RequestUri.ToString());
Assert.Equal("https://another.domain.url/chat/negotiate?negotiateVersion=1", testHttpHandler.ReceivedRequests[1].RequestUri.ToString());
Assert.Equal("https://another.domain.url/chat?negotiateVersion=1&id=0rge0d00-0040-0030-0r00-000q00r00e00", testHttpHandler.ReceivedRequests[2].RequestUri.ToString());
Assert.Equal("https://another.domain.url/chat?negotiateVersion=1&id=0rge0d00-0040-0030-0r00-000q00r00e00", testHttpHandler.ReceivedRequests[3].RequestUri.ToString());
Assert.Equal(5, testHttpHandler.ReceivedRequests.Count);
}
public async Task NegotiateThatReturnsUrlGetFollowedWithAccessToken()
{
var testHttpHandler = new TestHttpMessageHandler(autoNegotiate: false);
var firstNegotiate = true;
testHttpHandler.OnNegotiate((request, cancellationToken) =>
{
if (firstNegotiate)
{
firstNegotiate = false;
// The first negotiate requires an access token
if (request.Headers.Authorization?.Parameter != "firstSecret")
{
return(ResponseUtils.CreateResponse(HttpStatusCode.Unauthorized));
}
return(ResponseUtils.CreateResponse(HttpStatusCode.OK,
JsonConvert.SerializeObject(new
{
url = "https://another.domain.url/chat",
accessToken = "secondSecret"
})));
}
// All other requests require an access token
if (request.Headers.Authorization?.Parameter != "secondSecret")
{
return(ResponseUtils.CreateResponse(HttpStatusCode.Unauthorized));
}
return(ResponseUtils.CreateResponse(HttpStatusCode.OK,
JsonConvert.SerializeObject(new
{
connectionId = "0rge0d00-0040-0030-0r00-000q00r00e00",
availableTransports = new object[]
{
new
{
transport = "LongPolling",
transferFormats = new[] { "Text" }
},
}
})));
});
testHttpHandler.OnLongPoll((request, token) =>
{
// All other requests require an access token
if (request.Headers.Authorization?.Parameter != "secondSecret")
{
return(Task.FromResult(ResponseUtils.CreateResponse(HttpStatusCode.Unauthorized)));
}
var tcs = new TaskCompletionSource <HttpResponseMessage>(TaskCreationOptions.RunContinuationsAsynchronously);
token.Register(() => tcs.TrySetResult(ResponseUtils.CreateResponse(HttpStatusCode.NoContent)));
return(tcs.Task);
});
testHttpHandler.OnLongPollDelete((token) => ResponseUtils.CreateResponse(HttpStatusCode.Accepted));
Task <string> AccessTokenProvider() => Task.FromResult <string>("firstSecret");
using (var noErrorScope = new VerifyNoErrorsScope())
{
await WithConnectionAsync(
CreateConnection(testHttpHandler, loggerFactory : noErrorScope.LoggerFactory, accessTokenProvider : AccessTokenProvider),
async (connection) =>
{
await connection.StartAsync().DefaultTimeout();
});
}
Assert.Equal("http://fakeuri.org/negotiate?negotiateVersion=1", testHttpHandler.ReceivedRequests[0].RequestUri.ToString());
Assert.Equal("https://another.domain.url/chat/negotiate?negotiateVersion=1", testHttpHandler.ReceivedRequests[1].RequestUri.ToString());
Assert.Equal("https://another.domain.url/chat?id=0rge0d00-0040-0030-0r00-000q00r00e00", testHttpHandler.ReceivedRequests[2].RequestUri.ToString());
Assert.Equal("https://another.domain.url/chat?id=0rge0d00-0040-0030-0r00-000q00r00e00", testHttpHandler.ReceivedRequests[3].RequestUri.ToString());
// Delete request
Assert.Equal(5, testHttpHandler.ReceivedRequests.Count);
}