aspnetcore/test/Microsoft.AspNetCore.Server.../EngineTests.cs

1205 lines
44 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.IO;
using System.Linq;
using System.Net.Sockets;
using System.Text;
using System.Threading;
using System.Threading.Tasks;
using Microsoft.AspNetCore.Http;
using Microsoft.AspNetCore.Http.Features;
using Microsoft.AspNetCore.Server.Kestrel;
using Microsoft.AspNetCore.Server.Kestrel.Internal;
using Microsoft.AspNetCore.Server.Kestrel.Internal.Http;
using Microsoft.AspNetCore.Server.Kestrel.Internal.Infrastructure;
using Xunit;
namespace Microsoft.AspNetCore.Server.KestrelTests
{
/// <summary>
/// Summary description for EngineTests
/// </summary>
public class EngineTests
{
public static TheoryData<TestServiceContext> ConnectionFilterData
{
get
{
return new TheoryData<TestServiceContext>
{
{
new TestServiceContext()
},
{
new TestServiceContext(new PassThroughConnectionFilter())
}
};
}
}
private async Task App(HttpContext httpContext)
{
var request = httpContext.Request;
var response = httpContext.Response;
while (true)
{
var buffer = new byte[8192];
var count = await request.Body.ReadAsync(buffer, 0, buffer.Length);
if (count == 0)
{
break;
}
await response.Body.WriteAsync(buffer, 0, count);
}
}
private async Task AppChunked(HttpContext httpContext)
{
var request = httpContext.Request;
var response = httpContext.Response;
var data = new MemoryStream();
await request.Body.CopyToAsync(data);
var bytes = data.ToArray();
response.Headers["Content-Length"] = bytes.Length.ToString();
await response.Body.WriteAsync(bytes, 0, bytes.Length);
}
private Task EmptyApp(HttpContext httpContext)
{
return Task.FromResult<object>(null);
}
[Theory]
[MemberData(nameof(ConnectionFilterData))]
public void EngineCanStartAndStop(TestServiceContext testContext)
{
var engine = new KestrelEngine(testContext);
engine.Start(1);
engine.Dispose();
}
[Theory]
[MemberData(nameof(ConnectionFilterData))]
public void ListenerCanCreateAndDispose(TestServiceContext testContext)
{
testContext.App = App;
var engine = new KestrelEngine(testContext);
engine.Start(1);
var address = ServerAddress.FromUrl("http://127.0.0.1:0/");
var started = engine.CreateServer(address);
started.Dispose();
engine.Dispose();
}
[Theory]
[MemberData(nameof(ConnectionFilterData))]
public void ConnectionCanReadAndWrite(TestServiceContext testContext)
{
testContext.App = App;
var engine = new KestrelEngine(testContext);
engine.Start(1);
var address = ServerAddress.FromUrl("http://127.0.0.1:0/");
var started = engine.CreateServer(address);
var socket = TestConnection.CreateConnectedLoopbackSocket(address.Port);
socket.Send(Encoding.ASCII.GetBytes("POST / HTTP/1.0\r\n\r\nHello World"));
socket.Shutdown(SocketShutdown.Send);
var buffer = new byte[8192];
while (true)
{
var length = socket.Receive(buffer);
if (length == 0) { break; }
var text = Encoding.ASCII.GetString(buffer, 0, length);
}
started.Dispose();
engine.Dispose();
}
[Theory]
[MemberData(nameof(ConnectionFilterData))]
public async Task Http10RequestReceivesHttp11Response(TestServiceContext testContext)
{
using (var server = new TestServer(App, testContext))
{
using (var connection = server.CreateConnection())
{
await connection.SendEnd(
"POST / HTTP/1.0",
"",
"Hello World");
await connection.ReceiveEnd(
"HTTP/1.1 200 OK",
$"Date: {testContext.DateHeaderValue}",
"",
"Hello World");
}
}
}
[Theory]
[MemberData(nameof(ConnectionFilterData))]
public async Task Http11(TestServiceContext testContext)
{
using (var server = new TestServer(AppChunked, testContext))
{
using (var connection = server.CreateConnection())
{
await connection.SendEnd(
"GET / HTTP/1.1",
"",
"GET / HTTP/1.1",
"Connection: close",
"",
"Goodbye");
await connection.ReceiveEnd(
"HTTP/1.1 200 OK",
$"Date: {testContext.DateHeaderValue}",
"Content-Length: 0",
"",
"HTTP/1.1 200 OK",
"Connection: close",
$"Date: {testContext.DateHeaderValue}",
"Content-Length: 7",
"",
"Goodbye");
}
}
}
[Theory]
[MemberData(nameof(ConnectionFilterData))]
public async Task HeadersAndStreamsAreReused(TestServiceContext testContext)
{
var streamCount = 0;
var requestHeadersCount = 0;
var responseHeadersCount = 0;
var loopCount = 20;
Stream lastStream = null;
IHeaderDictionary lastRequestHeaders = null;
IHeaderDictionary lastResponseHeaders = null;
using (var server = new TestServer(
context =>
{
if (context.Request.Body != lastStream)
{
lastStream = context.Request.Body;
streamCount++;
}
if (context.Request.Headers != lastRequestHeaders)
{
lastRequestHeaders = context.Request.Headers;
requestHeadersCount++;
}
if (context.Response.Headers != lastResponseHeaders)
{
lastResponseHeaders = context.Response.Headers;
responseHeadersCount++;
}
return context.Request.Body.CopyToAsync(context.Response.Body);
},
testContext))
{
using (var connection = server.CreateConnection())
{
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 response = string.Join("\r\n", new string[] {
"HTTP/1.1 200 OK",
$"Date: {testContext.DateHeaderValue}",
"Content-Length: 0",
""});
var lastResponse = string.Join("\r\n", new string[]
{
"HTTP/1.1 200 OK",
"Connection: close",
$"Date: {testContext.DateHeaderValue}",
"",
"Goodbye"
});
var responseData =
Enumerable.Repeat(response, loopCount)
.Concat(new[] { lastResponse });
await connection.SendEnd(requestData.ToArray());
await connection.ReceiveEnd(responseData.ToArray());
}
Assert.Equal(1, streamCount);
Assert.Equal(1, requestHeadersCount);
Assert.Equal(1, responseHeadersCount);
}
}
[Theory]
[MemberData(nameof(ConnectionFilterData))]
public async Task Http10ContentLength(TestServiceContext testContext)
{
using (var server = new TestServer(App, testContext))
{
using (var connection = server.CreateConnection())
{
await connection.SendEnd(
"POST / HTTP/1.0",
"Content-Length: 11",
"",
"Hello World");
await connection.ReceiveEnd(
"HTTP/1.1 200 OK",
$"Date: {testContext.DateHeaderValue}",
"",
"Hello World");
}
}
}
[Theory]
[MemberData(nameof(ConnectionFilterData))]
public async Task Http10KeepAlive(TestServiceContext testContext)
{
using (var server = new TestServer(AppChunked, testContext))
{
using (var connection = server.CreateConnection())
{
await connection.SendEnd(
"GET / HTTP/1.0",
"Connection: keep-alive",
"",
"POST / HTTP/1.0",
"",
"Goodbye");
await connection.Receive(
"HTTP/1.1 200 OK",
"Connection: keep-alive",
$"Date: {testContext.DateHeaderValue}",
"Content-Length: 0",
"\r\n");
await connection.ReceiveEnd(
"HTTP/1.1 200 OK",
$"Date: {testContext.DateHeaderValue}",
"Content-Length: 7",
"",
"Goodbye");
}
}
}
[Theory]
[MemberData(nameof(ConnectionFilterData))]
public async Task Http10KeepAliveNotUsedIfResponseContentLengthNotSet(TestServiceContext testContext)
{
using (var server = new TestServer(App, testContext))
{
using (var connection = server.CreateConnection())
{
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/1.1 200 OK",
"Connection: keep-alive",
$"Date: {testContext.DateHeaderValue}",
"Content-Length: 0",
"\r\n");
await connection.ReceiveEnd(
"HTTP/1.1 200 OK",
$"Date: {testContext.DateHeaderValue}",
"",
"Goodbye");
}
}
}
[Theory]
[MemberData(nameof(ConnectionFilterData))]
public async Task Http10KeepAliveContentLength(TestServiceContext testContext)
{
using (var server = new TestServer(AppChunked, testContext))
{
using (var connection = server.CreateConnection())
{
await connection.SendEnd(
"POST / HTTP/1.0",
"Content-Length: 11",
"Connection: keep-alive",
"",
"Hello WorldPOST / HTTP/1.0",
"",
"Goodbye");
await connection.Receive(
"HTTP/1.1 200 OK",
"Connection: keep-alive",
$"Date: {testContext.DateHeaderValue}",
"Content-Length: 11",
"",
"Hello World");
await connection.ReceiveEnd(
"HTTP/1.1 200 OK",
$"Date: {testContext.DateHeaderValue}",
"Content-Length: 7",
"",
"Goodbye");
}
}
}
[Theory]
[MemberData(nameof(ConnectionFilterData))]
public async Task Expect100ContinueForBody(TestServiceContext testContext)
{
using (var server = new TestServer(AppChunked, testContext))
{
using (var connection = server.CreateConnection())
{
await connection.Send(
"POST / HTTP/1.1",
"Expect: 100-continue",
"Connection: close",
"Content-Length: 11",
"\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",
"Connection: close",
$"Date: {testContext.DateHeaderValue}",
"Content-Length: 11",
"",
"Hello World");
}
}
}
[Theory]
[MemberData(nameof(ConnectionFilterData))]
public async Task DisconnectingClient(TestServiceContext 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 = server.CreateConnection())
{
await connection.SendEnd(
"GET / HTTP/1.0",
"\r\n");
await connection.ReceiveEnd(
"HTTP/1.1 200 OK",
$"Date: {testContext.DateHeaderValue}",
"\r\n");
}
}
}
[Theory]
[MemberData(nameof(ConnectionFilterData))]
public async Task ZeroContentLengthSetAutomaticallyAfterNoWrites(TestServiceContext testContext)
{
using (var server = new TestServer(EmptyApp, testContext))
{
using (var connection = server.CreateConnection())
{
await connection.SendEnd(
"GET / HTTP/1.1",
"",
"GET / HTTP/1.0",
"Connection: keep-alive",
"",
"");
await connection.ReceiveEnd(
"HTTP/1.1 200 OK",
$"Date: {testContext.DateHeaderValue}",
"Content-Length: 0",
"",
"HTTP/1.1 200 OK",
"Connection: keep-alive",
$"Date: {testContext.DateHeaderValue}",
"Content-Length: 0",
"",
"");
}
}
}
[Theory]
[MemberData(nameof(ConnectionFilterData))]
public async Task ZeroContentLengthNotSetAutomaticallyForNonKeepAliveRequests(TestServiceContext testContext)
{
using (var server = new TestServer(EmptyApp, testContext))
{
using (var connection = server.CreateConnection())
{
await connection.SendEnd(
"GET / HTTP/1.1",
"Connection: close",
"",
"");
await connection.ReceiveEnd(
"HTTP/1.1 200 OK",
"Connection: close",
$"Date: {testContext.DateHeaderValue}",
"",
"");
}
using (var connection = server.CreateConnection())
{
await connection.SendEnd(
"GET / HTTP/1.0",
"",
"");
await connection.ReceiveEnd(
"HTTP/1.1 200 OK",
$"Date: {testContext.DateHeaderValue}",
"",
"");
}
}
}
[Theory]
[MemberData(nameof(ConnectionFilterData))]
public async Task ZeroContentLengthNotSetAutomaticallyForHeadRequests(TestServiceContext testContext)
{
using (var server = new TestServer(EmptyApp, testContext))
{
using (var connection = server.CreateConnection())
{
await connection.SendEnd(
"HEAD / HTTP/1.1",
"",
"");
await connection.ReceiveEnd(
"HTTP/1.1 200 OK",
$"Date: {testContext.DateHeaderValue}",
"",
"");
}
}
}
[Theory]
[MemberData(nameof(ConnectionFilterData))]
public async Task ZeroContentLengthNotSetAutomaticallyForCertainStatusCodes(TestServiceContext testContext)
{
using (var server = new TestServer(async httpContext =>
{
var request = httpContext.Request;
var response = httpContext.Response;
using (var reader = new StreamReader(request.Body, Encoding.ASCII))
{
var statusString = await reader.ReadLineAsync();
response.StatusCode = int.Parse(statusString);
}
}, testContext))
{
using (var connection = server.CreateConnection())
{
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",
$"Date: {testContext.DateHeaderValue}",
"",
"HTTP/1.1 204 No Content",
$"Date: {testContext.DateHeaderValue}",
"",
"HTTP/1.1 205 Reset Content",
$"Date: {testContext.DateHeaderValue}",
"",
"HTTP/1.1 304 Not Modified",
$"Date: {testContext.DateHeaderValue}",
"",
"HTTP/1.1 200 OK",
$"Date: {testContext.DateHeaderValue}",
"Content-Length: 0",
"",
"");
}
}
}
[Theory]
[MemberData(nameof(ConnectionFilterData))]
public async Task ThrowingResultsIn500Response(TestServiceContext 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["Content-Length"] = "11";
throw new Exception();
}, testContext))
{
using (var connection = server.CreateConnection())
{
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.Receive(
$"Date: {testContext.DateHeaderValue}",
"Content-Length: 0",
"",
"HTTP/1.1 500 Internal Server Error",
"");
await connection.Receive("Connection: close",
"");
await connection.ReceiveEnd(
$"Date: {testContext.DateHeaderValue}",
"Content-Length: 0",
"",
"");
Assert.False(onStartingCalled);
Assert.Equal(2, testLogger.ApplicationErrorsLogged);
}
}
}
[Theory]
[MemberData(nameof(ConnectionFilterData))]
public async Task ThrowingAfterWritingKillsConnection(TestServiceContext testContext)
{
bool onStartingCalled = false;
var testLogger = new TestApplicationErrorLogger();
testContext.Log = new KestrelTrace(testLogger);
using (var server = new TestServer(async httpContext =>
{
var response = httpContext.Response;
response.OnStarting(_ =>
{
onStartingCalled = true;
return Task.FromResult<object>(null);
}, null);
response.Headers["Content-Length"] = new[] { "11" };
await response.Body.WriteAsync(Encoding.ASCII.GetBytes("Hello World"), 0, 11);
throw new Exception();
}, testContext))
{
using (var connection = server.CreateConnection())
{
await connection.Send(
"GET / HTTP/1.1",
"",
"");
await connection.ReceiveForcedEnd(
"HTTP/1.1 200 OK",
$"Date: {testContext.DateHeaderValue}",
"Content-Length: 11",
"",
"Hello World");
Assert.True(onStartingCalled);
Assert.Equal(1, testLogger.ApplicationErrorsLogged);
}
}
}
[Theory]
[MemberData(nameof(ConnectionFilterData))]
public async Task ThrowingAfterPartialWriteKillsConnection(TestServiceContext testContext)
{
bool onStartingCalled = false;
var testLogger = new TestApplicationErrorLogger();
testContext.Log = new KestrelTrace(testLogger);
using (var server = new TestServer(async httpContext =>
{
var response = httpContext.Response;
response.OnStarting(_ =>
{
onStartingCalled = true;
return Task.FromResult<object>(null);
}, null);
response.Headers["Content-Length"] = new[] { "11" };
await response.Body.WriteAsync(Encoding.ASCII.GetBytes("Hello"), 0, 5);
throw new Exception();
}, testContext))
{
using (var connection = server.CreateConnection())
{
await connection.Send(
"GET / HTTP/1.1",
"",
"");
await connection.ReceiveForcedEnd(
"HTTP/1.1 200 OK",
$"Date: {testContext.DateHeaderValue}",
"Content-Length: 11",
"",
"Hello");
Assert.True(onStartingCalled);
Assert.Equal(1, testLogger.ApplicationErrorsLogged);
}
}
}
[Theory]
[MemberData(nameof(ConnectionFilterData))]
public async Task ConnectionClosesWhenFinReceived(TestServiceContext testContext)
{
using (var server = new TestServer(AppChunked, testContext))
{
using (var connection = server.CreateConnection())
{
await connection.SendEnd(
"GET / HTTP/1.1",
"",
"Post / HTTP/1.1",
"Content-Length: 7",
"",
"Goodbye");
await connection.ReceiveEnd(
"HTTP/1.1 200 OK",
$"Date: {testContext.DateHeaderValue}",
"Content-Length: 0",
"",
"HTTP/1.1 200 OK",
$"Date: {testContext.DateHeaderValue}",
"Content-Length: 7",
"",
"Goodbye");
}
}
}
[Theory]
[MemberData(nameof(ConnectionFilterData))]
public async Task ConnectionClosesWhenFinReceivedBeforeRequestCompletes(TestServiceContext testContext)
{
using (var server = new TestServer(AppChunked, testContext))
{
using (var connection = server.CreateConnection())
{
await connection.SendEnd(
"GET / HTTP/1.1",
"",
"POST / HTTP/1.1");
await connection.ReceiveForcedEnd(
"HTTP/1.1 200 OK",
$"Date: {testContext.DateHeaderValue}",
"Content-Length: 0",
"",
"HTTP/1.1 400 Bad Request",
"Connection: close",
$"Date: {testContext.DateHeaderValue}",
"Content-Length: 0",
"",
"");
}
using (var connection = server.CreateConnection())
{
await connection.SendEnd(
"GET / HTTP/1.1",
"",
"POST / HTTP/1.1",
"Content-Length: 7");
await connection.ReceiveForcedEnd(
"HTTP/1.1 200 OK",
$"Date: {testContext.DateHeaderValue}",
"Content-Length: 0",
"",
"HTTP/1.1 400 Bad Request",
"Connection: close",
$"Date: {testContext.DateHeaderValue}",
"Content-Length: 0",
"",
"");
}
}
}
[Theory]
[MemberData(nameof(ConnectionFilterData))]
public async Task ThrowingInOnStartingResultsInFailedWritesAnd500Response(TestServiceContext 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["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 = server.CreateConnection())
{
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.Receive(
$"Date: {testContext.DateHeaderValue}",
"Content-Length: 0",
"",
"HTTP/1.1 500 Internal Server Error",
"Connection: close",
"");
await connection.ReceiveEnd(
$"Date: {testContext.DateHeaderValue}",
"Content-Length: 0",
"",
"");
}
}
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);
}
[Theory]
[MemberData(nameof(ConnectionFilterData))]
public async Task ThrowingInOnCompletedIsLoggedAndClosesConnection(TestServiceContext testContext)
{
var onCompletedCalled1 = false;
var onCompletedCalled2 = false;
var testLogger = new TestApplicationErrorLogger();
testContext.Log = new KestrelTrace(testLogger);
using (var server = new TestServer(async httpContext =>
{
var response = httpContext.Response;
response.OnCompleted(_ =>
{
onCompletedCalled1 = true;
throw new Exception();
}, null);
response.OnCompleted(_ =>
{
onCompletedCalled2 = true;
throw new Exception();
}, null);
response.Headers["Content-Length"] = new[] { "11" };
await response.Body.WriteAsync(Encoding.ASCII.GetBytes("Hello World"), 0, 11);
}, testContext))
{
using (var connection = server.CreateConnection())
{
await connection.Send(
"GET / HTTP/1.1",
"",
"");
await connection.ReceiveForcedEnd(
"HTTP/1.1 200 OK",
$"Date: {testContext.DateHeaderValue}",
"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);
}
[Theory]
[MemberData(nameof(ConnectionFilterData))]
public async Task RequestsCanBeAbortedMidRead(TestServiceContext testContext)
{
var readTcs = new TaskCompletionSource<object>();
var registrationTcs = new TaskCompletionSource<int>();
var requestId = 0;
using (var server = new TestServer(async httpContext =>
{
requestId++;
var response = httpContext.Response;
var request = httpContext.Request;
var lifetime = httpContext.Features.Get<IHttpRequestLifetimeFeature>();
lifetime.RequestAborted.Register(() => registrationTcs.TrySetResult(requestId));
if (requestId == 1)
{
response.Headers["Content-Length"] = new[] { "5" };
await response.WriteAsync("World");
}
else
{
var readTask = request.Body.CopyToAsync(Stream.Null);
lifetime.Abort();
try
{
await readTask;
}
catch (Exception ex)
{
readTcs.SetException(ex);
throw;
}
readTcs.SetException(new Exception("This shouldn't be reached."));
}
}, testContext))
{
using (var connection = server.CreateConnection())
{
// Never send the body so CopyToAsync always fails.
await connection.Send(
"POST / HTTP/1.1",
"Content-Length: 5",
"",
"HelloPOST / HTTP/1.1",
"Content-Length: 5",
"",
"");
await connection.ReceiveForcedEnd(
"HTTP/1.1 200 OK",
$"Date: {testContext.DateHeaderValue}",
"Content-Length: 5",
"",
"World");
}
}
await Assert.ThrowsAsync<TaskCanceledException>(async () => await readTcs.Task);
// The cancellation token for only the last request should be triggered.
var abortedRequestId = await registrationTcs.Task;
Assert.Equal(2, abortedRequestId);
}
[Theory]
[MemberData(nameof(ConnectionFilterData))]
public async Task FailedWritesResultInAbortedRequest(TestServiceContext testContext)
{
// This should match _maxBytesPreCompleted in SocketOutput
var maxBytesPreCompleted = 65536;
// Ensure string is long enough to disable write-behind buffering
var largeString = new string('a', maxBytesPreCompleted + 1);
var writeTcs = new TaskCompletionSource<object>();
var registrationWh = new ManualResetEventSlim();
var connectionCloseWh = new ManualResetEventSlim();
using (var server = new TestServer(async httpContext =>
{
var response = httpContext.Response;
var request = httpContext.Request;
var lifetime = httpContext.Features.Get<IHttpRequestLifetimeFeature>();
lifetime.RequestAborted.Register(() => registrationWh.Set());
await request.Body.CopyToAsync(Stream.Null);
connectionCloseWh.Wait();
try
{
// Ensure write is long enough to disable write-behind buffering
for (int i = 0; i < 100; i++)
{
await response.WriteAsync(largeString, lifetime.RequestAborted);
registrationWh.Wait(1000);
}
}
catch (Exception ex)
{
writeTcs.SetException(ex);
throw;
}
writeTcs.SetException(new Exception("This shouldn't be reached."));
}, testContext))
{
using (var connection = server.CreateConnection())
{
await connection.Send(
"POST / HTTP/1.1",
"Content-Length: 5",
"",
"Hello");
// Don't wait to receive the response. Just close the socket.
}
connectionCloseWh.Set();
// Write failed
await Assert.ThrowsAsync<TaskCanceledException>(async () => await writeTcs.Task);
// RequestAborted tripped
Assert.True(registrationWh.Wait(1000));
}
}
[Theory]
[MemberData(nameof(ConnectionFilterData))]
public async Task NoErrorsLoggedWhenServerEndsConnectionBeforeClient(TestServiceContext testContext)
{
var testLogger = new TestApplicationErrorLogger();
testContext.Log = new KestrelTrace(testLogger);
using (var server = new TestServer(async httpContext =>
{
var response = httpContext.Response;
response.Headers["Content-Length"] = new[] { "11" };
await response.Body.WriteAsync(Encoding.ASCII.GetBytes("Hello World"), 0, 11);
}, testContext))
{
using (var connection = server.CreateConnection())
{
await connection.Send(
"GET / HTTP/1.0",
"",
"");
await connection.ReceiveForcedEnd(
"HTTP/1.1 200 OK",
$"Date: {testContext.DateHeaderValue}",
"Content-Length: 11",
"",
"Hello World");
}
}
Assert.Equal(0, testLogger.TotalErrorsLogged);
}
[Theory]
[MemberData(nameof(ConnectionFilterData))]
public async Task NoResponseSentWhenConnectionIsClosedByServerBeforeClientFinishesSendingRequest(TestServiceContext testContext)
{
using (var server = new TestServer(httpContext =>
{
httpContext.Abort();
return TaskUtilities.CompletedTask;
}, testContext))
{
using (var connection = server.CreateConnection())
{
await connection.Send(
"POST / HTTP/1.0",
"Content-Length: 1",
"",
"");
await connection.ReceiveForcedEnd();
}
}
}
[Theory]
[MemberData(nameof(ConnectionFilterData))]
public async Task RequestHeadersAreResetOnEachRequest(TestServiceContext testContext)
{
IHeaderDictionary originalRequestHeaders = null;
var firstRequest = true;
using (var server = new TestServer(httpContext =>
{
var requestFeature = httpContext.Features.Get<IHttpRequestFeature>();
if (firstRequest)
{
originalRequestHeaders = requestFeature.Headers;
requestFeature.Headers = new FrameRequestHeaders();
firstRequest = false;
}
else
{
Assert.Same(originalRequestHeaders, requestFeature.Headers);
}
return TaskUtilities.CompletedTask;
}, testContext))
{
using (var connection = server.CreateConnection())
{
await connection.SendEnd(
"GET / HTTP/1.1",
"",
"GET / HTTP/1.1",
"",
"");
await connection.ReceiveEnd(
"HTTP/1.1 200 OK",
$"Date: {testContext.DateHeaderValue}",
"Content-Length: 0",
"",
"HTTP/1.1 200 OK",
$"Date: {testContext.DateHeaderValue}",
"Content-Length: 0",
"",
"");
}
}
}
[Theory]
[MemberData(nameof(ConnectionFilterData))]
public async Task ResponseHeadersAreResetOnEachRequest(TestServiceContext testContext)
{
IHeaderDictionary originalResponseHeaders = null;
var firstRequest = true;
using (var server = new TestServer(httpContext =>
{
var responseFeature = httpContext.Features.Get<IHttpResponseFeature>();
if (firstRequest)
{
originalResponseHeaders = responseFeature.Headers;
responseFeature.Headers = new FrameResponseHeaders();
firstRequest = false;
}
else
{
Assert.Same(originalResponseHeaders, responseFeature.Headers);
}
return TaskUtilities.CompletedTask;
}, testContext))
{
using (var connection = server.CreateConnection())
{
await connection.SendEnd(
"GET / HTTP/1.1",
"",
"GET / HTTP/1.1",
"",
"");
await connection.ReceiveEnd(
"HTTP/1.1 200 OK",
$"Date: {testContext.DateHeaderValue}",
"Content-Length: 0",
"",
"HTTP/1.1 200 OK",
$"Date: {testContext.DateHeaderValue}",
"Content-Length: 0",
"",
"");
}
}
}
[Theory]
[InlineData("/%%2000", "/% 00")]
[InlineData("/%25%30%30", "/%00")]
public async Task PathEscapeTests(string inputPath, string expectedPath)
{
using (var server = new TestServer(async httpContext =>
{
var path = httpContext.Request.Path.Value;
httpContext.Response.Headers["Content-Length"] = new[] {path.Length.ToString() };
await httpContext.Response.WriteAsync(path);
}))
{
using (var connection = server.CreateConnection())
{
await connection.SendEnd(
$"GET {inputPath} HTTP/1.1",
"",
"");
await connection.ReceiveEnd(
"HTTP/1.1 200 OK",
$"Date: {connection.Server.Context.DateHeaderValue}",
$"Content-Length: {expectedPath.Length.ToString()}",
"",
$"{expectedPath}");
}
}
}
}
}