public async Task ZeroLengthWritesAreIgnored(ServiceContext testContext)
{
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);
}, testContext))
{
using (var connection = new TestConnection(server.Port))
{
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 ZeroContentLengthSetAutomaticallyAfterNoWrites(ServiceContext testContext)
{
using (var server = new TestServer(EmptyApp, testContext))
{
using (var connection = new TestConnection(server.Port))
{
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",
"Connection: keep-alive",
"Content-Length: 0",
"",
"");
}
}
}
public async Task Http10KeepAliveTransferEncoding(ServiceContext testContext)
{
using (var server = new TestServer(AppChunked, testContext))
{
using (var connection = new TestConnection(server.Port))
{
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",
"Connection: keep-alive",
"Content-Length: 11",
"",
"Hello World");
await connection.ReceiveEnd(
"HTTP/1.0 200 OK",
"Content-Length: 7",
"",
"Goodbye");
}
}
}
public async Task EmptyResponseBodyHandledCorrectlyWithZeroLengthWrite(ServiceContext testContext)
{
using (var server = new TestServer(async httpContext =>
{
var response = httpContext.Response;
response.Headers.Clear();
await response.Body.WriteAsync(new byte[0], 0, 0);
}, testContext))
{
using (var connection = new TestConnection(server.Port))
{
await connection.SendEnd(
"GET / HTTP/1.1",
"",
"");
await connection.ReceiveEnd(
"HTTP/1.1 200 OK",
"Transfer-Encoding: chunked",
"",
"0",
"",
"");
}
}
}
public async Task ZeroContentLengthNotSetAutomaticallyForNonKeepAliveRequests(ServiceContext testContext)
{
using (var server = new TestServer(EmptyApp, testContext))
{
using (var connection = new TestConnection(server.Port))
{
await connection.SendEnd(
"GET / HTTP/1.1",
"Connection: close",
"",
"");
await connection.ReceiveEnd(
"HTTP/1.1 200 OK",
"Connection: close",
"",
"");
}
using (var connection = new TestConnection(server.Port))
{
await connection.SendEnd(
"GET / HTTP/1.0",
"",
"");
await connection.ReceiveEnd(
"HTTP/1.0 200 OK",
"",
"");
}
}
}
public async Task ConnectionClosesWhenFinReceived(ServiceContext testContext)
{
using (var server = new TestServer(AppChunked, testContext))
{
using (var connection = new TestConnection(server.Port))
{
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 Http10KeepAliveNotUsedIfResponseContentLengthNotSet(ServiceContext testContext)
{
using (var server = new TestServer(App, testContext))
{
using (var connection = new TestConnection(server.Port))
{
await connection.SendEnd(
"GET / HTTP/1.0",
"Connection: keep-alive",
"",
"POST / HTTP/1.0",
"Content-Length: 7",
"Connection: keep-alive",
"",
"Goodbye");
await connection.Receive(
"HTTP/1.0 200 OK",
"Connection: keep-alive",
"Content-Length: 0",
"\r\n");
await connection.ReceiveEnd(
"HTTP/1.0 200 OK",
"",
"Goodbye");
}
}
}
public async Task ZeroContentLengthNotSetAutomaticallyForCertainStatusCodes(ServiceContext testContext)
{
using (var server = new TestServer(async httpContext =>
{
var request = httpContext.Request;
var response = httpContext.Response;
response.Headers.Clear();
using (var reader = new StreamReader(request.Body, Encoding.ASCII))
{
var statusString = await reader.ReadLineAsync();
response.StatusCode = int.Parse(statusString);
}
}, testContext))
{
using (var connection = new TestConnection(server.Port))
{
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 RequestBodyIsConsumedAutomaticallyIfAppDoesntConsumeItFully(ServiceContext testContext)
{
using (var server = new TestServer(async httpContext =>
{
var response = httpContext.Response;
var request = httpContext.Request;
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(server.Port))
{
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 Http10(ServiceContext testContext)
{
using (var server = new TestServer(App, testContext))
{
using (var connection = new TestConnection(server.Port))
{
await connection.SendEnd(
"POST / HTTP/1.0",
"",
"Hello World");
await connection.ReceiveEnd(
"HTTP/1.0 200 OK",
"",
"Hello World");
}
}
}
public async Task WritesAreFlushedPriorToResponseCompletion(ServiceContext testContext)
{
var flushWh = new ManualResetEventSlim();
using (var server = new TestServer(async httpContext =>
{
var response = httpContext.Response;
response.Headers.Clear();
await response.Body.WriteAsync(Encoding.ASCII.GetBytes("Hello "), 0, 6);
// Don't complete response until client has received the first chunk.
flushWh.Wait();
await response.Body.WriteAsync(Encoding.ASCII.GetBytes("World!"), 0, 6);
}, testContext))
{
using (var connection = new TestConnection(server.Port))
{
await connection.SendEnd(
"GET / HTTP/1.1",
"",
"");
await connection.Receive(
"HTTP/1.1 200 OK",
"Transfer-Encoding: chunked",
"",
"6",
"Hello ",
"");
flushWh.Set();
await connection.ReceiveEnd(
"6",
"World!",
"0",
"",
"");
}
}
}
public async Task CanReadAndWriteWithAsyncConnectionFilter()
{
var serviceContext = new TestServiceContext(new AsyncConnectionFilter());
using (var server = new TestServer(App, serviceContext))
{
using (var connection = new TestConnection(server.Port))
{
await connection.SendEnd(
"POST / HTTP/1.0",
"",
"Hello World?");
await connection.ReceiveEnd(
"HTTP/1.0 200 OK",
"",
"Hello World!");
}
}
}
public async Task Http10TransferEncoding(ServiceContext testContext)
{
using (var server = new TestServer(App, testContext))
{
using (var connection = new TestConnection(server.Port))
{
await connection.SendEnd(
"POST / HTTP/1.0",
"Transfer-Encoding: chunked",
"",
"5", "Hello",
"6", " World",
"0",
"");
await connection.ReceiveEnd(
"HTTP/1.0 200 OK",
"",
"Hello World");
}
}
}
public async Task ReuseStreamsOff(ServiceContext testContext)
{
testContext.ServerOptions.MaxPooledStreams = 0;
var streamCount = 0;
var loopCount = 20;
Stream lastStream = null;
using (var server = new TestServer(
context =>
{
if (context.Request.Body != lastStream)
{
lastStream = context.Request.Body;
streamCount++;
}
context.Response.Headers.Clear();
return(context.Request.Body.CopyToAsync(context.Response.Body));
},
testContext))
{
using (var connection = new TestConnection(server.Port))
{
var requestData =
Enumerable.Repeat("GET / HTTP/1.1\r\n", loopCount)
.Concat(new[] { "GET / HTTP/1.1\r\nConnection: close\r\n\r\nGoodbye" });
var responseData =
Enumerable.Repeat("HTTP/1.1 200 OK\r\nContent-Length: 0\r\n", loopCount)
.Concat(new[] { "HTTP/1.1 200 OK\r\nConnection: close\r\n\r\nGoodbye" });
await connection.SendEnd(requestData.ToArray());
await connection.ReceiveEnd(responseData.ToArray());
}
Assert.Equal(loopCount + 1, streamCount);
}
}
public async Task DisconnectingClient(ServiceContext testContext)
{
using (var server = new TestServer(App, testContext))
{
var socket = TestConnection.CreateConnectedLoopbackSocket(server.Port);
await Task.Delay(200);
socket.Dispose();
await Task.Delay(200);
using (var connection = new TestConnection(server.Port))
{
await connection.SendEnd(
"GET / HTTP/1.0",
"\r\n");
await connection.ReceiveEnd(
"HTTP/1.0 200 OK",
"\r\n");
}
}
}
public async Task CanReadAndWriteWithRewritingConnectionFilter()
{
var filter = new RewritingConnectionFilter();
var serviceContext = new TestServiceContext(filter);
var sendString = "POST / HTTP/1.0\r\n\r\nHello World?";
using (var server = new TestServer(App, serviceContext))
{
using (var connection = new TestConnection(server.Port))
{
// "?" 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 ExtensionsAreIgnored(ServiceContext testContext)
{
var requestCount = 10;
var requestsReceived = 0;
using (var server = new TestServer(async httpContext =>
{
var response = httpContext.Response;
var request = httpContext.Request;
var buffer = new byte[200];
Assert.True(string.IsNullOrEmpty(request.Headers["X-Trailer-Header"]));
while (await request.Body.ReadAsync(buffer, 0, buffer.Length) != 0)
{
;// read to end
}
if (requestsReceived < requestCount)
{
Assert.Equal(new string('a', requestsReceived), request.Headers["X-Trailer-Header"].ToString());
}
else
{
Assert.True(string.IsNullOrEmpty(request.Headers["X-Trailer-Header"]));
}
requestsReceived++;
response.Headers.Clear();
response.Headers["Content-Length"] = new[] { "11" };
await response.Body.WriteAsync(Encoding.ASCII.GetBytes("Hello World"), 0, 11);
}, testContext))
{
var response = string.Join("\r\n", new string[] {
"HTTP/1.1 200 OK",
"Content-Length: 11",
"",
"Hello World"
});
var expectedFullResponse = string.Join("", Enumerable.Repeat(response, requestCount + 1));
IEnumerable <string> sendSequence = new string[] {
"POST / HTTP/1.1",
"Transfer-Encoding: chunked",
"",
"C;hello there",
"HelloChunked",
"0;hello there",
""
};
for (var i = 1; i < requestCount; i++)
{
sendSequence = sendSequence.Concat(new string[] {
"POST / HTTP/1.1",
"Transfer-Encoding: chunked",
"",
"C;hello there",
$"HelloChunk{i:00}",
"0;hello there",
string.Concat("X-Trailer-Header: ", new string('a', i)),
""
});
}
sendSequence = sendSequence.Concat(new string[] {
"POST / HTTP/1.1",
"Content-Length: 7",
"",
"Goodbye"
});
var fullRequest = sendSequence.ToArray();
using (var connection = new TestConnection(server.Port))
{
await connection.SendEnd(fullRequest);
await connection.ReceiveEnd(expectedFullResponse);
}
}
}
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 httpContext =>
{
var onStartingException = new Exception();
var response = httpContext.Response;
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(server.Port))
{
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",
"Connection: close",
"");
await connection.ReceiveStartsWith("Date:");
await connection.ReceiveEnd(
"Content-Length: 0",
"Server: Kestrel",
"",
"");
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 ThrowingResultsIn500Response(ServiceContext testContext)
{
bool onStartingCalled = false;
var testLogger = new TestApplicationErrorLogger();
testContext.Log = new KestrelTrace(testLogger);
using (var server = new TestServer(httpContext =>
{
var response = httpContext.Response;
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(server.Port))
{
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.Receive("Connection: close",
"");
await connection.ReceiveStartsWith("Date:");
await connection.ReceiveEnd(
"Content-Length: 0",
"Server: Kestrel",
"",
"");
Assert.False(onStartingCalled);
Assert.Equal(2, testLogger.ApplicationErrorsLogged);
}
}
}