public async Task ResponsesAreChunkedAutomatically()
{
using (var server = new TestServer(async frame =>
{
frame.ResponseHeaders.Clear();
await frame.ResponseBody.WriteAsync(Encoding.ASCII.GetBytes("Hello "), 0, 6);
await frame.ResponseBody.WriteAsync(Encoding.ASCII.GetBytes("World!"), 0, 6);
}))
{
using (var connection = new TestConnection())
{
await connection.SendEnd(
"GET / HTTP/1.1",
"",
"");
await connection.ReceiveEnd(
"HTTP/1.1 200 OK",
"Transfer-Encoding: chunked",
"",
"6",
"Hello ",
"6",
"World!",
"0",
"",
"");
}
}
}
public async Task ZeroLengthWritesAreIgnored()
{
using (var server = new TestServer(async httpContext =>
{
var response = httpContext.Response;
response.Headers.Clear();
await response.Body.WriteAsync(Encoding.ASCII.GetBytes("Hello "), 0, 6);
await response.Body.WriteAsync(new byte[0], 0, 0);
await response.Body.WriteAsync(Encoding.ASCII.GetBytes("World!"), 0, 6);
}))
{
using (var connection = new TestConnection())
{
await connection.SendEnd(
"GET / HTTP/1.1",
"",
"");
await connection.ReceiveEnd(
"HTTP/1.1 200 OK",
"Transfer-Encoding: chunked",
"",
"6",
"Hello ",
"6",
"World!",
"0",
"",
"");
}
}
}
public async Task CanReadAndWriteWithAsyncConnectionFilter()
{
var serviceContext = new TestServiceContext()
{
ConnectionFilter = new AsyncConnectionFilter()
};
using (var server = new TestServer(App, serviceContext))
{
using (var connection = new TestConnection())
{
await connection.SendEnd(
"POST / HTTP/1.0",
"",
"Hello World?");
await connection.ReceiveEnd(
"HTTP/1.0 200 OK",
"",
"Hello World!");
}
}
}
public async Task EmptyResponseBodyHandledCorrectlyWithZeroLengthWrite()
{
using (var server = new TestServer(async frame =>
{
frame.ResponseHeaders.Clear();
await frame.ResponseBody.WriteAsync(new byte[0], 0, 0);
}))
{
using (var connection = new TestConnection())
{
await connection.SendEnd(
"GET / HTTP/1.1",
"",
"");
await connection.ReceiveEnd(
"HTTP/1.1 200 OK",
"Transfer-Encoding: chunked",
"",
"0",
"",
"");
}
}
}
public async Task CanReadAndWriteWithRewritingConnectionFilter()
{
var filter = new RewritingConnectionFilter();
var serviceContext = new TestServiceContext()
{
ConnectionFilter = filter
};
var sendString = "POST / HTTP/1.0\r\n\r\nHello World?";
using (var server = new TestServer(App, serviceContext))
{
using (var connection = new TestConnection())
{
// "?" changes to "!"
await connection.SendEnd(sendString);
await connection.ReceiveEnd(
"HTTP/1.0 200 OK",
"",
"Hello World!");
}
}
Assert.Equal(sendString.Length, filter.BytesRead);
}
public async Task ThrowingInOnStartingResultsIn500Response()
{
using (var server = new TestServer(frame =>
{
frame.OnStarting(_ =>
{
throw new Exception();
}, null);
frame.ResponseHeaders.Clear();
frame.ResponseHeaders["Content-Length"] = new[] { "11" };
// If we write to the response stream, we will not get a 500.
return Task.FromResult<object>(null);
}))
{
using (var connection = new TestConnection())
{
await connection.SendEnd(
"GET / HTTP/1.1",
"",
"GET / HTTP/1.1",
"Connection: close",
"",
"");
await connection.Receive(
"HTTP/1.1 500 Internal Server Error",
"");
await connection.ReceiveStartsWith("Date:");
await connection.Receive(
"Content-Length: 0",
"Server: Kestrel",
"",
"HTTP/1.1 500 Internal Server Error",
"");
await connection.ReceiveStartsWith("Date:");
await connection.ReceiveEnd(
"Content-Length: 0",
"Server: Kestrel",
"Connection: close",
"",
"");
}
}
}
public async Task ThrowingAfterPartialWriteKillsConnection()
{
bool onStartingCalled = false;
using (var server = new TestServer(async frame =>
{
frame.OnStarting(_ =>
{
onStartingCalled = true;
return Task.FromResult<object>(null);
}, null);
frame.ResponseHeaders.Clear();
frame.ResponseHeaders["Content-Length"] = new[] { "11" };
await frame.ResponseBody.WriteAsync(Encoding.ASCII.GetBytes("Hello"), 0, 5);
throw new Exception();
}))
{
using (var connection = new TestConnection())
{
await connection.Send(
"GET / HTTP/1.1",
"",
"");
await connection.ReceiveEnd(
"HTTP/1.1 200 OK",
"Content-Length: 11",
"",
"Hello");
Assert.True(onStartingCalled);
}
}
}
public async Task ZeroContentLengthNotSetAutomaticallyForCertainStatusCodes()
{
using (var server = new TestServer(async frame =>
{
frame.ResponseHeaders.Clear();
using (var reader = new StreamReader(frame.RequestBody, Encoding.ASCII))
{
var statusString = await reader.ReadLineAsync();
frame.StatusCode = int.Parse(statusString);
}
}))
{
using (var connection = new TestConnection())
{
await connection.SendEnd(
"POST / HTTP/1.1",
"Content-Length: 3",
"",
"101POST / HTTP/1.1",
"Content-Length: 3",
"",
"204POST / HTTP/1.1",
"Content-Length: 3",
"",
"205POST / HTTP/1.1",
"Content-Length: 3",
"",
"304POST / HTTP/1.1",
"Content-Length: 3",
"",
"200");
await connection.ReceiveEnd(
"HTTP/1.1 101 Switching Protocols",
"",
"HTTP/1.1 204 No Content",
"",
"HTTP/1.1 205 Reset Content",
"",
"HTTP/1.1 304 Not Modified",
"",
"HTTP/1.1 200 OK",
"Content-Length: 0",
"",
"");
}
}
}
public async Task ZeroContentLengthNotSetAutomaticallyForNonKeepAliveRequests()
{
using (var server = new TestServer(EmptyApp))
{
using (var connection = new TestConnection())
{
await connection.SendEnd(
"GET / HTTP/1.1",
"Connection: close",
"",
"");
await connection.ReceiveEnd(
"HTTP/1.1 200 OK",
"Connection: close",
"",
"");
}
using (var connection = new TestConnection())
{
await connection.SendEnd(
"GET / HTTP/1.0",
"",
"");
await connection.ReceiveEnd(
"HTTP/1.0 200 OK",
"",
"");
}
}
}
public async Task DisconnectingClient()
{
using (var server = new TestServer(App))
{
var socket = new Socket(SocketType.Stream, ProtocolType.IP);
socket.Connect(IPAddress.Loopback, 54321);
await Task.Delay(200);
socket.Disconnect(false);
socket.Dispose();
await Task.Delay(200);
using (var connection = new TestConnection())
{
await connection.SendEnd(
"GET / HTTP/1.0",
"\r\n");
await connection.ReceiveEnd(
"HTTP/1.0 200 OK",
"\r\n");
}
}
}
public async Task Http10KeepAliveTransferEncoding()
{
using (var server = new TestServer(AppChunked))
{
using (var connection = new TestConnection())
{
await connection.SendEnd(
"POST / HTTP/1.0",
"Transfer-Encoding: chunked",
"Connection: keep-alive",
"",
"5", "Hello", "6", " World", "0",
"POST / HTTP/1.0",
"",
"Goodbye");
await connection.Receive(
"HTTP/1.0 200 OK",
"Content-Length: 11",
"Connection: keep-alive",
"",
"Hello World");
await connection.ReceiveEnd(
"HTTP/1.0 200 OK",
"Content-Length: 7",
"",
"Goodbye");
}
}
}
public async Task Http10TransferEncoding()
{
using (var server = new TestServer(App))
{
using (var connection = new TestConnection())
{
await connection.Send(
"POST / HTTP/1.0",
"Transfer-Encoding: chunked",
"",
"5", "Hello", "6", " World", "0\r\n");
await connection.ReceiveEnd(
"HTTP/1.0 200 OK",
"",
"Hello World");
}
}
}
public async Task Http10(ServiceContext testContext)
{
using (var server = new TestServer(App, testContext))
{
using (var connection = new TestConnection())
{
await connection.SendEnd(
"POST / HTTP/1.0",
"",
"Hello World");
await connection.ReceiveEnd(
"HTTP/1.0 200 OK",
"",
"Hello World");
}
}
}
public async Task ConnectionClosedIfExeptionThrownAfterZeroLengthWrite()
{
using (var server = new TestServer(async httpContext =>
{
var response = httpContext.Response;
response.Headers.Clear();
await response.Body.WriteAsync(new byte[0], 0, 0);
throw new Exception();
}))
{
using (var connection = new TestConnection())
{
// SendEnd is not called, so it isn't the client closing the connection.
await connection.Send(
"GET / HTTP/1.1",
"",
"");
// Headers are sent before connection is closed, but chunked body terminator isn't sent
await connection.ReceiveEnd(
"HTTP/1.1 200 OK",
"Transfer-Encoding: chunked",
"",
"");
}
}
}
public async Task Http10KeepAliveContentLength(ServiceContext testContext)
{
using (var server = new TestServer(AppChunked, testContext))
{
using (var connection = new TestConnection())
{
await connection.SendEnd(
"POST / HTTP/1.0",
"Connection: keep-alive",
"Content-Length: 11",
"",
"Hello WorldPOST / HTTP/1.0",
"",
"Goodbye");
await connection.Receive(
"HTTP/1.0 200 OK",
"Content-Length: 11",
"Connection: keep-alive",
"",
"Hello World");
await connection.ReceiveEnd(
"HTTP/1.0 200 OK",
"Content-Length: 7",
"",
"Goodbye");
}
}
}
public async Task Http10ContentLength()
{
using (var server = new TestServer(App))
{
using (var connection = new TestConnection())
{
await connection.Send(
"POST / HTTP/1.0",
"Content-Length: 11",
"",
"Hello World");
await connection.ReceiveEnd(
"HTTP/1.0 200 OK",
"",
"Hello World");
}
}
}
public async Task ThrowingResultsIn500Response(ServiceContext testContext)
{
bool onStartingCalled = false;
var testLogger = new TestApplicationErrorLogger();
testContext.Log = new KestrelTrace(testLogger);
using (var server = new TestServer(frame =>
{
var response = frame.Get<IHttpResponseFeature>();
response.OnStarting(_ =>
{
onStartingCalled = true;
return Task.FromResult<object>(null);
}, null);
// Anything added to the ResponseHeaders dictionary is ignored
response.Headers.Clear();
response.Headers["Content-Length"] = "11";
throw new Exception();
}, testContext))
{
using (var connection = new TestConnection())
{
await connection.SendEnd(
"GET / HTTP/1.1",
"",
"GET / HTTP/1.1",
"Connection: close",
"",
"");
await connection.Receive(
"HTTP/1.1 500 Internal Server Error",
"");
await connection.ReceiveStartsWith("Date:");
await connection.Receive(
"Content-Length: 0",
"Server: Kestrel",
"",
"HTTP/1.1 500 Internal Server Error",
"");
await connection.ReceiveStartsWith("Date:");
await connection.ReceiveEnd(
"Content-Length: 0",
"Server: Kestrel",
"Connection: close",
"",
"");
Assert.False(onStartingCalled);
Assert.Equal(2, testLogger.ApplicationErrorsLogged);
}
}
}
public async Task Http10KeepAliveNotUsedIfResponseContentLengthNotSet()
{
using (var server = new TestServer(App))
{
using (var connection = new TestConnection())
{
await connection.SendEnd(
"GET / HTTP/1.0",
"Connection: keep-alive",
"",
"POST / HTTP/1.0",
"Connection: keep-alive",
"Content-Length: 7",
"",
"Goodbye");
await connection.Receive(
"HTTP/1.0 200 OK",
"Content-Length: 0",
"Connection: keep-alive",
"\r\n");
await connection.ReceiveEnd(
"HTTP/1.0 200 OK",
"",
"Goodbye");
}
}
}
public async Task ThrowingAfterPartialWriteKillsConnection(ServiceContext testContext)
{
bool onStartingCalled = false;
var testLogger = new TestApplicationErrorLogger();
testContext.Log = new KestrelTrace(testLogger);
using (var server = new TestServer(async frame =>
{
var response = frame.Get<IHttpResponseFeature>();
response.OnStarting(_ =>
{
onStartingCalled = true;
return Task.FromResult<object>(null);
}, null);
response.Headers.Clear();
response.Headers["Content-Length"] = new[] { "11" };
await response.Body.WriteAsync(Encoding.ASCII.GetBytes("Hello"), 0, 5);
throw new Exception();
}, testContext))
{
using (var connection = new TestConnection())
{
await connection.Send(
"GET / HTTP/1.1",
"",
"");
await connection.ReceiveEnd(
"HTTP/1.1 200 OK",
"Content-Length: 11",
"",
"Hello");
Assert.True(onStartingCalled);
Assert.Equal(1, testLogger.ApplicationErrorsLogged);
}
}
}
public async Task Expect100ContinueForBody()
{
using (var server = new TestServer(AppChunked))
{
using (var connection = new TestConnection())
{
await connection.Send(
"POST / HTTP/1.1",
"Expect: 100-continue",
"Content-Length: 11",
"Connection: close",
"\r\n");
await connection.Receive("HTTP/1.1 100 Continue", "\r\n");
await connection.SendEnd("Hello World");
await connection.Receive(
"HTTP/1.1 200 OK",
"Content-Length: 11",
"Connection: close",
"",
"Hello World");
}
}
}
public async Task ConnectionClosesWhenFinReceived(ServiceContext testContext)
{
using (var server = new TestServer(AppChunked, testContext))
{
using (var connection = new TestConnection())
{
await connection.SendEnd(
"GET / HTTP/1.1",
"",
"Post / HTTP/1.1",
"Content-Length: 7",
"",
"Goodbye");
await connection.ReceiveEnd(
"HTTP/1.1 200 OK",
"Content-Length: 0",
"",
"HTTP/1.1 200 OK",
"Content-Length: 7",
"",
"Goodbye");
}
}
}
public async Task ZeroContentLengthSetAutomaticallyAfterNoWrites()
{
using (var server = new TestServer(EmptyApp))
{
using (var connection = new TestConnection())
{
await connection.SendEnd(
"GET / HTTP/1.1",
"",
"GET / HTTP/1.0",
"Connection: keep-alive",
"",
"");
await connection.ReceiveEnd(
"HTTP/1.1 200 OK",
"Content-Length: 0",
"",
"HTTP/1.0 200 OK",
"Content-Length: 0",
"Connection: keep-alive",
"",
"");
}
}
}
public async Task ThrowingInOnStartingResultsInFailedWritesAnd500Response(ServiceContext testContext)
{
var onStartingCallCount1 = 0;
var onStartingCallCount2 = 0;
var failedWriteCount = 0;
var testLogger = new TestApplicationErrorLogger();
testContext.Log = new KestrelTrace(testLogger);
using (var server = new TestServer(async frame =>
{
var onStartingException = new Exception();
var response = frame.Get<IHttpResponseFeature>();
response.OnStarting(_ =>
{
onStartingCallCount1++;
throw onStartingException;
}, null);
response.OnStarting(_ =>
{
onStartingCallCount2++;
throw onStartingException;
}, null);
response.Headers.Clear();
response.Headers["Content-Length"] = new[] { "11" };
var writeException = await Assert.ThrowsAsync<ObjectDisposedException>(async () =>
await response.Body.WriteAsync(Encoding.ASCII.GetBytes("Hello World"), 0, 11));
Assert.Same(onStartingException, writeException.InnerException);
failedWriteCount++;
}, testContext))
{
using (var connection = new TestConnection())
{
await connection.SendEnd(
"GET / HTTP/1.1",
"",
"GET / HTTP/1.1",
"Connection: close",
"",
"");
await connection.Receive(
"HTTP/1.1 500 Internal Server Error",
"");
await connection.ReceiveStartsWith("Date:");
await connection.Receive(
"Content-Length: 0",
"Server: Kestrel",
"",
"HTTP/1.1 500 Internal Server Error",
"");
await connection.ReceiveStartsWith("Date:");
await connection.ReceiveEnd(
"Content-Length: 0",
"Server: Kestrel",
"Connection: close",
"",
"");
Assert.Equal(2, onStartingCallCount1);
// The second OnStarting callback should not be called since the first failed.
Assert.Equal(0, onStartingCallCount2);
Assert.Equal(2, testLogger.ApplicationErrorsLogged);
}
}
}
public async Task ZeroContentLengthNotSetAutomaticallyForHeadRequests()
{
using (var server = new TestServer(EmptyApp))
{
using (var connection = new TestConnection())
{
await connection.SendEnd(
"HEAD / HTTP/1.1",
"",
"");
await connection.ReceiveEnd(
"HTTP/1.1 200 OK",
"",
"");
}
}
}
public async Task ThrowingInOnCompletedIsLoggedAndClosesConnection(ServiceContext testContext)
{
var onCompletedCalled1 = false;
var onCompletedCalled2 = false;
var testLogger = new TestApplicationErrorLogger();
testContext.Log = new KestrelTrace(testLogger);
using (var server = new TestServer(async frame =>
{
var response = frame.Get<IHttpResponseFeature>();
response.OnCompleted(_ =>
{
onCompletedCalled1 = true;
throw new Exception();
}, null);
response.OnCompleted(_ =>
{
onCompletedCalled2 = true;
throw new Exception();
}, null);
response.Headers.Clear();
response.Headers["Content-Length"] = new[] { "11" };
await response.Body.WriteAsync(Encoding.ASCII.GetBytes("Hello World"), 0, 11);
}, testContext))
{
using (var connection = new TestConnection())
{
await connection.Send(
"GET / HTTP/1.1",
"",
"");
await connection.ReceiveEnd(
"HTTP/1.1 200 OK",
"Content-Length: 11",
"",
"Hello World");
}
// All OnCompleted callbacks should be called even if they throw.
Assert.Equal(2, testLogger.ApplicationErrorsLogged);
Assert.True(onCompletedCalled1);
Assert.True(onCompletedCalled2);
}
}
public async Task ThrowingResultsIn500Response()
{
bool onStartingCalled = false;
using (var server = new TestServer(frame =>
{
frame.OnStarting(_ =>
{
onStartingCalled = true;
return Task.FromResult<object>(null);
}, null);
// Anything added to the ResponseHeaders dictionary is ignored
frame.ResponseHeaders.Clear();
frame.ResponseHeaders["Content-Length"] = new[] { "11" };
throw new Exception();
}))
{
using (var connection = new TestConnection())
{
await connection.SendEnd(
"GET / HTTP/1.1",
"",
"GET / HTTP/1.1",
"Connection: close",
"",
"");
await connection.Receive(
"HTTP/1.1 500 Internal Server Error",
"");
await connection.ReceiveStartsWith("Date:");
await connection.Receive(
"Content-Length: 0",
"Server: Kestrel",
"",
"HTTP/1.1 500 Internal Server Error",
"");
await connection.ReceiveStartsWith("Date:");
await connection.ReceiveEnd(
"Content-Length: 0",
"Server: Kestrel",
"Connection: close",
"",
"");
Assert.False(onStartingCalled);
}
}
}
public async Task RequestBodyIsConsumedAutomaticallyIfAppDoesntConsumeItFully(ServiceContext testContext)
{
using (var server = new TestServer(async frame =>
{
var response = frame.Get<IHttpResponseFeature>();
var request = frame.Get<IHttpRequestFeature>();
Assert.Equal("POST", request.Method);
response.Headers.Clear();
response.Headers["Content-Length"] = new[] { "11" };
await response.Body.WriteAsync(Encoding.ASCII.GetBytes("Hello World"), 0, 11);
}, testContext))
{
using (var connection = new TestConnection())
{
await connection.SendEnd(
"POST / HTTP/1.1",
"Content-Length: 5",
"",
"HelloPOST / HTTP/1.1",
"Transfer-Encoding: chunked",
"",
"C", "HelloChunked", "0",
"POST / HTTP/1.1",
"Content-Length: 7",
"",
"Goodbye");
await connection.ReceiveEnd(
"HTTP/1.1 200 OK",
"Content-Length: 11",
"",
"Hello WorldHTTP/1.1 200 OK",
"Content-Length: 11",
"",
"Hello WorldHTTP/1.1 200 OK",
"Content-Length: 11",
"",
"Hello World");
}
}
}
public async Task ConnectionClosesWhenFinReceivedBeforeRequestCompletes()
{
using (var server = new TestServer(AppChunked))
{
using (var connection = new TestConnection())
{
await connection.SendEnd(
"GET /");
await connection.ReceiveEnd();
}
using (var connection = new TestConnection())
{
await connection.SendEnd(
"GET / HTTP/1.1",
"",
"Post / HTTP/1.1");
await connection.ReceiveEnd(
"HTTP/1.1 200 OK",
"Content-Length: 0",
"",
"");
}
using (var connection = new TestConnection())
{
await connection.SendEnd(
"GET / HTTP/1.1",
"",
"Post / HTTP/1.1",
"Content-Length: 7");
await connection.ReceiveEnd(
"HTTP/1.1 200 OK",
"Content-Length: 0",
"",
"");
}
}
}
public async Task Http11()
{
using (var server = new TestServer(AppChunked))
{
using (var connection = new TestConnection())
{
await connection.SendEnd(
"GET / HTTP/1.1",
"",
"GET / HTTP/1.1",
"Connection: close",
"",
"Goodbye");
await connection.ReceiveEnd(
"HTTP/1.1 200 OK",
"Content-Length: 0",
"",
"HTTP/1.1 200 OK",
"Content-Length: 7",
"Connection: close",
"",
"Goodbye");
}
}
}
public async Task ThrowingInOnStartingResultsInFailedWrites()
{
using (var server = new TestServer(async frame =>
{
var onStartingException = new Exception();
frame.OnStarting(_ =>
{
throw onStartingException;
}, null);
frame.ResponseHeaders.Clear();
frame.ResponseHeaders["Content-Length"] = new[] { "11" };
var writeException = await Assert.ThrowsAsync<Exception>(async () =>
await frame.ResponseBody.WriteAsync(Encoding.ASCII.GetBytes("Hello World"), 0, 11));
Assert.Same(onStartingException, writeException);
// The second write should succeed since the OnStarting callback will not be called again
await frame.ResponseBody.WriteAsync(Encoding.ASCII.GetBytes("Exception!!"), 0, 11);
}))
{
using (var connection = new TestConnection())
{
await connection.Send(
"GET / HTTP/1.1",
"",
"");
await connection.Receive(
"HTTP/1.1 200 OK",
"Content-Length: 11",
"",
"Exception!!"); ;
}
}
}
public async Task ThrowingInOnStartingResultsInFailedWritesAnd500Response(ServiceContext testContext)
{
var onStartingCallCount1 = 0;
var onStartingCallCount2 = 0;
var failedWriteCount = 0;
var testLogger = new TestApplicationErrorLogger();
testContext.Log = new KestrelTrace(testLogger);
using (var server = new TestServer(async frame =>
{
var onStartingException = new Exception();
var response = frame.Get <IHttpResponseFeature>();
response.OnStarting(_ =>
{
onStartingCallCount1++;
throw onStartingException;
}, null);
response.OnStarting(_ =>
{
onStartingCallCount2++;
throw onStartingException;
}, null);
response.Headers.Clear();
response.Headers["Content-Length"] = new[] { "11" };
var writeException = await Assert.ThrowsAsync <ObjectDisposedException>(async() =>
await response.Body.WriteAsync(Encoding.ASCII.GetBytes("Hello World"), 0, 11));
Assert.Same(onStartingException, writeException.InnerException);
failedWriteCount++;
}, testContext))
{
using (var connection = new TestConnection())
{
await connection.SendEnd(
"GET / HTTP/1.1",
"",
"GET / HTTP/1.1",
"Connection: close",
"",
"");
await connection.Receive(
"HTTP/1.1 500 Internal Server Error",
"");
await connection.ReceiveStartsWith("Date:");
await connection.Receive(
"Content-Length: 0",
"Server: Kestrel",
"",
"HTTP/1.1 500 Internal Server Error",
"");
await connection.ReceiveStartsWith("Date:");
await connection.ReceiveEnd(
"Content-Length: 0",
"Server: Kestrel",
"Connection: close",
"",
"");
Assert.Equal(2, onStartingCallCount1);
// The second OnStarting callback should not be called since the first failed.
Assert.Equal(0, onStartingCallCount2);
Assert.Equal(2, testLogger.ApplicationErrorsLogged);
}
}
}