aspnetcore/test/Kestrel.InMemory.Functional.../ResponseTests.cs

2459 lines
94 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.Collections.Generic;
using System.IO;
using System.Linq;
using System.Net;
using System.Text;
using System.Threading.Tasks;
using Microsoft.AspNetCore.Http;
using Microsoft.AspNetCore.Http.Features;
using Microsoft.AspNetCore.Server.Kestrel.Core;
using Microsoft.AspNetCore.Server.Kestrel.Core.Internal.Http;
using Microsoft.AspNetCore.Server.Kestrel.Core.Internal.Infrastructure;
using Microsoft.AspNetCore.Server.Kestrel.InMemory.FunctionalTests.TestTransport;
using Microsoft.AspNetCore.Testing;
using Microsoft.Extensions.DependencyInjection;
using Microsoft.Extensions.Logging;
using Microsoft.Extensions.Logging.Testing;
using Moq;
using Xunit;
namespace Microsoft.AspNetCore.Server.Kestrel.InMemory.FunctionalTests
{
public class ResponseTests : TestApplicationErrorLoggerLoggedTest
{
[Fact]
public async Task OnCompleteCalledEvenWhenOnStartingNotCalled()
{
var onStartingCalled = false;
TaskCompletionSource<object> onCompletedTcs = new TaskCompletionSource<object>(TaskCreationOptions.RunContinuationsAsynchronously);
using (var server = new TestServer(context =>
{
context.Response.OnStarting(() => Task.Run(() => onStartingCalled = true));
context.Response.OnCompleted(() => Task.Run(() =>
{
onCompletedTcs.SetResult(null);
}));
// Prevent OnStarting call (see HttpProtocol.ProcessRequestsAsync()).
throw new Exception();
}, new TestServiceContext(LoggerFactory)))
{
using (var connection = server.CreateConnection())
{
await connection.Send(
"GET / HTTP/1.1",
"Host:",
"",
"");
await connection.Receive(
$"HTTP/1.1 500 Internal Server Error",
$"Date: {server.Context.DateHeaderValue}",
"Content-Length: 0",
"",
"");
await onCompletedTcs.Task.DefaultTimeout();
Assert.False(onStartingCalled);
}
}
}
[Fact]
public async Task OnStartingThrowsWhenSetAfterResponseHasAlreadyStarted()
{
InvalidOperationException ex = null;
using (var server = new TestServer(async context =>
{
await context.Response.WriteAsync("hello, world");
await context.Response.Body.FlushAsync();
ex = Assert.Throws<InvalidOperationException>(() => context.Response.OnStarting(_ => Task.CompletedTask, null));
}, new TestServiceContext(LoggerFactory)))
{
using (var connection = server.CreateConnection())
{
await connection.Send(
"GET / HTTP/1.1",
"Host:",
"",
"");
await connection.Receive($"HTTP/1.1 200 OK",
$"Date: {server.Context.DateHeaderValue}",
"Transfer-Encoding: chunked",
"",
"c",
"hello, world",
"0",
"",
"");
Assert.NotNull(ex);
}
}
}
[Fact]
public Task ResponseStatusCodeSetBeforeHttpContextDisposeAppException()
{
return ResponseStatusCodeSetBeforeHttpContextDispose(
TestSink,
LoggerFactory,
context =>
{
throw new Exception();
},
expectedClientStatusCode: HttpStatusCode.InternalServerError,
expectedServerStatusCode: HttpStatusCode.InternalServerError);
}
[Fact]
public Task ResponseStatusCodeSetBeforeHttpContextDisposeRequestAborted()
{
return ResponseStatusCodeSetBeforeHttpContextDispose(
TestSink,
LoggerFactory,
context =>
{
context.Abort();
return Task.CompletedTask;
},
expectedClientStatusCode: null,
expectedServerStatusCode: 0);
}
[Fact]
public Task ResponseStatusCodeSetBeforeHttpContextDisposeRequestAbortedAppException()
{
return ResponseStatusCodeSetBeforeHttpContextDispose(
TestSink,
LoggerFactory,
context =>
{
context.Abort();
throw new Exception();
},
expectedClientStatusCode: null,
expectedServerStatusCode: 0);
}
[Fact]
public Task ResponseStatusCodeSetBeforeHttpContextDisposedRequestMalformed()
{
return ResponseStatusCodeSetBeforeHttpContextDispose(
TestSink,
LoggerFactory,
context =>
{
return Task.CompletedTask;
},
expectedClientStatusCode: HttpStatusCode.OK,
expectedServerStatusCode: HttpStatusCode.OK,
sendMalformedRequest: true);
}
[Fact]
public Task ResponseStatusCodeSetBeforeHttpContextDisposedRequestMalformedRead()
{
return ResponseStatusCodeSetBeforeHttpContextDispose(
TestSink,
LoggerFactory,
async context =>
{
await context.Request.Body.ReadAsync(new byte[1], 0, 1);
},
expectedClientStatusCode: null,
expectedServerStatusCode: HttpStatusCode.BadRequest,
sendMalformedRequest: true);
}
[Fact]
public Task ResponseStatusCodeSetBeforeHttpContextDisposedRequestMalformedReadIgnored()
{
return ResponseStatusCodeSetBeforeHttpContextDispose(
TestSink,
LoggerFactory,
async context =>
{
try
{
await context.Request.Body.ReadAsync(new byte[1], 0, 1);
}
catch (BadHttpRequestException)
{
}
},
expectedClientStatusCode: HttpStatusCode.OK,
expectedServerStatusCode: HttpStatusCode.OK,
sendMalformedRequest: true);
}
[Fact]
public async Task OnCompletedExceptionShouldNotPreventAResponse()
{
using (var server = new TestServer(async context =>
{
context.Response.OnCompleted(_ => throw new Exception(), null);
await context.Response.WriteAsync("hello, world");
}, new TestServiceContext(LoggerFactory)))
{
using (var connection = server.CreateConnection())
{
await connection.Send(
"GET / HTTP/1.1",
"Host:",
"",
"");
await connection.Receive($"HTTP/1.1 200 OK",
$"Date: {server.Context.DateHeaderValue}",
"Transfer-Encoding: chunked",
"",
"c",
"hello, world",
"0",
"",
"");
}
}
}
[Fact]
public async Task OnCompletedShouldNotBlockAResponse()
{
var delayTcs = new TaskCompletionSource<object>(TaskCreationOptions.RunContinuationsAsynchronously);
using (var server = new TestServer(async context =>
{
context.Response.OnCompleted(async () =>
{
await delayTcs.Task;
});
await context.Response.WriteAsync("hello, world");
}, new TestServiceContext(LoggerFactory)))
{
using (var connection = server.CreateConnection())
{
await connection.Send(
"GET / HTTP/1.1",
"Host:",
"",
"");
await connection.Receive($"HTTP/1.1 200 OK",
$"Date: {server.Context.DateHeaderValue}",
"Transfer-Encoding: chunked",
"",
"c",
"hello, world",
"0",
"",
"");
}
delayTcs.SetResult(null);
}
}
[Fact]
public async Task InvalidChunkedEncodingInRequestShouldNotBlockOnCompleted()
{
var onCompletedTcs = new TaskCompletionSource<object>(TaskCreationOptions.RunContinuationsAsynchronously);
using (var server = new TestServer(httpContext =>
{
httpContext.Response.OnCompleted(() => Task.Run(() =>
{
onCompletedTcs.SetResult(null);
}));
return Task.CompletedTask;
}, new TestServiceContext(LoggerFactory)))
{
using (var connection = server.CreateConnection())
{
await connection.Send(
"GET / HTTP/1.1",
"Host:",
"Transfer-Encoding: chunked",
"",
"gg");
await connection.ReceiveForcedEnd(
"HTTP/1.1 200 OK",
$"Date: {server.Context.DateHeaderValue}",
"Content-Length: 0",
"",
"");
}
}
await onCompletedTcs.Task.DefaultTimeout();
}
// https://github.com/aspnet/KestrelHttpServer/pull/1111/files#r80584475 explains the reason for this test.
[Fact]
public async Task NoErrorResponseSentWhenAppSwallowsBadRequestException()
{
BadHttpRequestException readException = null;
using (var server = new TestServer(async httpContext =>
{
readException = await Assert.ThrowsAsync<BadHttpRequestException>(
async () => await httpContext.Request.Body.ReadAsync(new byte[1], 0, 1));
}, new TestServiceContext(LoggerFactory)))
{
using (var connection = server.CreateConnection())
{
await connection.Send(
"POST / HTTP/1.1",
"Host:",
"Transfer-Encoding: chunked",
"",
"gg");
await connection.ReceiveForcedEnd(
"HTTP/1.1 200 OK",
$"Date: {server.Context.DateHeaderValue}",
"Content-Length: 0",
"",
"");
}
}
Assert.NotNull(readException);
Assert.Contains(TestSink.Writes, w => w.EventId.Id == 17 && w.LogLevel == LogLevel.Information && w.Exception is BadHttpRequestException
&& ((BadHttpRequestException)w.Exception).StatusCode == StatusCodes.Status400BadRequest);
}
[Fact]
public async Task TransferEncodingChunkedSetOnUnknownLengthHttp11Response()
{
using (var server = new TestServer(async httpContext =>
{
await httpContext.Response.WriteAsync("hello, ");
await httpContext.Response.WriteAsync("world");
}, new TestServiceContext(LoggerFactory)))
{
using (var connection = server.CreateConnection())
{
await connection.Send(
"GET / HTTP/1.1",
"Host:",
"",
"");
await connection.Receive(
"HTTP/1.1 200 OK",
$"Date: {server.Context.DateHeaderValue}",
"Transfer-Encoding: chunked",
"",
"7",
"hello, ",
"5",
"world",
"0",
"",
"");
}
}
}
[Theory]
[InlineData(StatusCodes.Status204NoContent)]
[InlineData(StatusCodes.Status205ResetContent)]
[InlineData(StatusCodes.Status304NotModified)]
public async Task TransferEncodingChunkedNotSetOnNonBodyResponse(int statusCode)
{
using (var server = new TestServer(httpContext =>
{
httpContext.Response.StatusCode = statusCode;
return Task.CompletedTask;
}, new TestServiceContext(LoggerFactory)))
{
using (var connection = server.CreateConnection())
{
await connection.Send(
"GET / HTTP/1.1",
"Host:",
"",
"");
await connection.Receive(
$"HTTP/1.1 {Encoding.ASCII.GetString(ReasonPhrases.ToStatusBytes(statusCode))}",
$"Date: {server.Context.DateHeaderValue}",
"",
"");
}
}
}
[Fact]
public async Task TransferEncodingNotSetOnHeadResponse()
{
using (var server = new TestServer(httpContext =>
{
return Task.CompletedTask;
}, new TestServiceContext(LoggerFactory)))
{
using (var connection = server.CreateConnection())
{
await connection.Send(
"HEAD / HTTP/1.1",
"Host:",
"",
"");
await connection.Receive(
$"HTTP/1.1 200 OK",
$"Date: {server.Context.DateHeaderValue}",
"",
"");
}
}
}
[Fact]
public async Task ResponseBodyNotWrittenOnHeadResponseAndLoggedOnlyOnce()
{
const string response = "hello, world";
var logTcs = new TaskCompletionSource<object>(TaskCreationOptions.RunContinuationsAsynchronously);
var mockKestrelTrace = new Mock<IKestrelTrace>();
mockKestrelTrace
.Setup(trace => trace.ConnectionHeadResponseBodyWrite(It.IsAny<string>(), response.Length))
.Callback<string, long>((connectionId, count) => logTcs.SetResult(null));
using (var server = new TestServer(async httpContext =>
{
await httpContext.Response.WriteAsync(response);
await httpContext.Response.Body.FlushAsync();
}, new TestServiceContext(LoggerFactory, mockKestrelTrace.Object)))
{
using (var connection = server.CreateConnection())
{
await connection.Send(
"HEAD / HTTP/1.1",
"Host:",
"",
"");
await connection.Receive(
$"HTTP/1.1 200 OK",
$"Date: {server.Context.DateHeaderValue}",
"",
"");
// Wait for message to be logged before disposing the socket.
// Disposing the socket will abort the connection and HttpProtocol._requestAborted
// might be 1 by the time ProduceEnd() gets called and the message is logged.
await logTcs.Task.DefaultTimeout();
}
}
mockKestrelTrace.Verify(kestrelTrace =>
kestrelTrace.ConnectionHeadResponseBodyWrite(It.IsAny<string>(), response.Length), Times.Once);
}
[Fact]
public async Task ThrowsAndClosesConnectionWhenAppWritesMoreThanContentLengthWrite()
{
var serviceContext = new TestServiceContext(LoggerFactory)
{
ServerOptions = { AllowSynchronousIO = true }
};
using (var server = new TestServer(httpContext =>
{
httpContext.Response.ContentLength = 11;
httpContext.Response.Body.Write(Encoding.ASCII.GetBytes("hello,"), 0, 6);
httpContext.Response.Body.Write(Encoding.ASCII.GetBytes(" world"), 0, 6);
return Task.CompletedTask;
}, serviceContext))
{
using (var connection = server.CreateConnection())
{
await connection.Send(
"GET / HTTP/1.1",
"Host:",
"",
"");
await connection.Receive(
$"HTTP/1.1 200 OK",
$"Date: {server.Context.DateHeaderValue}",
"Content-Length: 11",
"",
"hello,");
await connection.WaitForConnectionClose();
}
}
var logMessage = Assert.Single(TestApplicationErrorLogger.Messages, message => message.LogLevel == LogLevel.Error);
Assert.Equal(
$"Response Content-Length mismatch: too many bytes written (12 of 11).",
logMessage.Exception.Message);
}
[Fact]
public async Task ThrowsAndClosesConnectionWhenAppWritesMoreThanContentLengthWriteAsync()
{
var serviceContext = new TestServiceContext(LoggerFactory);
using (var server = new TestServer(async httpContext =>
{
httpContext.Response.ContentLength = 11;
await httpContext.Response.WriteAsync("hello,");
await httpContext.Response.WriteAsync(" world");
}, serviceContext))
{
using (var connection = server.CreateConnection())
{
await connection.Send(
"GET / HTTP/1.1",
"Host:",
"",
"");
await connection.ReceiveForcedEnd(
$"HTTP/1.1 200 OK",
$"Date: {server.Context.DateHeaderValue}",
"Content-Length: 11",
"",
"hello,");
}
}
var logMessage = Assert.Single(TestApplicationErrorLogger.Messages, message => message.LogLevel == LogLevel.Error);
Assert.Equal(
$"Response Content-Length mismatch: too many bytes written (12 of 11).",
logMessage.Exception.Message);
}
[Fact]
public async Task InternalServerErrorAndConnectionClosedOnWriteWithMoreThanContentLengthAndResponseNotStarted()
{
var serviceContext = new TestServiceContext(LoggerFactory)
{
ServerOptions = { AllowSynchronousIO = true }
};
using (var server = new TestServer(httpContext =>
{
var response = Encoding.ASCII.GetBytes("hello, world");
httpContext.Response.ContentLength = 5;
httpContext.Response.Body.Write(response, 0, response.Length);
return Task.CompletedTask;
}, serviceContext))
{
using (var connection = server.CreateConnection())
{
await connection.Send(
"GET / HTTP/1.1",
"Host:",
"",
"");
await connection.ReceiveForcedEnd(
$"HTTP/1.1 500 Internal Server Error",
"Connection: close",
$"Date: {server.Context.DateHeaderValue}",
"Content-Length: 0",
"",
"");
}
}
var logMessage = Assert.Single(TestApplicationErrorLogger.Messages, message => message.LogLevel == LogLevel.Error);
Assert.Equal(
$"Response Content-Length mismatch: too many bytes written (12 of 5).",
logMessage.Exception.Message);
}
[Fact]
public async Task InternalServerErrorAndConnectionClosedOnWriteAsyncWithMoreThanContentLengthAndResponseNotStarted()
{
var serviceContext = new TestServiceContext(LoggerFactory);
using (var server = new TestServer(httpContext =>
{
var response = Encoding.ASCII.GetBytes("hello, world");
httpContext.Response.ContentLength = 5;
return httpContext.Response.Body.WriteAsync(response, 0, response.Length);
}, serviceContext))
{
using (var connection = server.CreateConnection())
{
await connection.Send(
"GET / HTTP/1.1",
"Host:",
"",
"");
await connection.ReceiveForcedEnd(
$"HTTP/1.1 500 Internal Server Error",
"Connection: close",
$"Date: {server.Context.DateHeaderValue}",
"Content-Length: 0",
"",
"");
}
}
var logMessage = Assert.Single(TestApplicationErrorLogger.Messages, message => message.LogLevel == LogLevel.Error);
Assert.Equal(
$"Response Content-Length mismatch: too many bytes written (12 of 5).",
logMessage.Exception.Message);
}
[Fact]
public async Task WhenAppWritesLessThanContentLengthErrorLogged()
{
var logTcs = new TaskCompletionSource<object>(TaskCreationOptions.RunContinuationsAsynchronously);
var mockTrace = new Mock<IKestrelTrace>();
mockTrace
.Setup(trace => trace.ApplicationError(It.IsAny<string>(), It.IsAny<string>(), It.IsAny<InvalidOperationException>()))
.Callback<string, string, Exception>((connectionId, requestId, ex) =>
{
logTcs.SetResult(null);
});
using (var server = new TestServer(async httpContext =>
{
httpContext.Response.ContentLength = 13;
await httpContext.Response.WriteAsync("hello, world");
}, new TestServiceContext(LoggerFactory, mockTrace.Object)))
{
using (var connection = server.CreateConnection())
{
await connection.Send(
"GET / HTTP/1.1",
"Host:",
"",
"");
// Don't use ReceiveEnd here, otherwise the FIN might
// abort the request before the server checks the
// response content length, in which case the check
// will be skipped.
await connection.Receive(
$"HTTP/1.1 200 OK",
$"Date: {server.Context.DateHeaderValue}",
"Content-Length: 13",
"",
"hello, world");
// Wait for error message to be logged.
await logTcs.Task.DefaultTimeout();
// The server should close the connection in this situation.
await connection.WaitForConnectionClose();
}
}
mockTrace.Verify(trace =>
trace.ApplicationError(
It.IsAny<string>(),
It.IsAny<string>(),
It.Is<InvalidOperationException>(ex =>
ex.Message.Equals($"Response Content-Length mismatch: too few bytes written (12 of 13).", StringComparison.Ordinal))));
}
[Fact]
public async Task WhenAppWritesLessThanContentLengthButRequestIsAbortedErrorNotLogged()
{
var requestAborted = new TaskCompletionSource<object>(TaskCreationOptions.RunContinuationsAsynchronously);
var mockTrace = new Mock<IKestrelTrace>();
using (var server = new TestServer(async httpContext =>
{
httpContext.RequestAborted.Register(() =>
{
requestAborted.SetResult(null);
});
httpContext.Response.ContentLength = 12;
await httpContext.Response.WriteAsync("hello,");
// Wait until the request is aborted so we know HttpProtocol will skip the response content length check.
await requestAborted.Task.DefaultTimeout();
}, new TestServiceContext(LoggerFactory, mockTrace.Object)))
{
using (var connection = server.CreateConnection())
{
await connection.Send(
"GET / HTTP/1.1",
"Host:",
"",
"");
await connection.Receive(
$"HTTP/1.1 200 OK",
$"Date: {server.Context.DateHeaderValue}",
"Content-Length: 12",
"",
"hello,");
}
// Verify the request was really aborted. A timeout in
// the app would cause a server error and skip the content length
// check altogether, making the test pass for the wrong reason.
// Await before disposing the server to prevent races between the
// abort triggered by the connection RST and the abort called when
// disposing the server.
await requestAborted.Task.DefaultTimeout();
}
// With the server disposed we know all connections were drained and all messages were logged.
mockTrace.Verify(trace => trace.ApplicationError(It.IsAny<string>(), It.IsAny<string>(), It.IsAny<InvalidOperationException>()), Times.Never);
}
[Fact]
public async Task WhenAppSetsContentLengthButDoesNotWriteBody500ResponseSentAndConnectionDoesNotClose()
{
var serviceContext = new TestServiceContext(LoggerFactory);
using (var server = new TestServer(httpContext =>
{
httpContext.Response.ContentLength = 5;
return Task.CompletedTask;
}, serviceContext))
{
using (var connection = server.CreateConnection())
{
await connection.Send(
"GET / HTTP/1.1",
"Host:",
"",
"GET / HTTP/1.1",
"Host:",
"",
"");
await connection.Receive(
"HTTP/1.1 500 Internal Server Error",
$"Date: {server.Context.DateHeaderValue}",
"Content-Length: 0",
"",
"HTTP/1.1 500 Internal Server Error",
$"Date: {server.Context.DateHeaderValue}",
"Content-Length: 0",
"",
"");
}
}
var error = TestApplicationErrorLogger.Messages.Where(message => message.LogLevel == LogLevel.Error);
Assert.Equal(2, error.Count());
Assert.All(error, message => message.Message.Equals("Response Content-Length mismatch: too few bytes written (0 of 5)."));
}
[Theory]
[InlineData(false)]
[InlineData(true)]
public async Task WhenAppSetsContentLengthToZeroAndDoesNotWriteNoErrorIsThrown(bool flushResponse)
{
var serviceContext = new TestServiceContext(LoggerFactory);
using (var server = new TestServer(async httpContext =>
{
httpContext.Response.ContentLength = 0;
if (flushResponse)
{
await httpContext.Response.Body.FlushAsync();
}
}, serviceContext))
{
using (var connection = server.CreateConnection())
{
await connection.Send(
"GET / HTTP/1.1",
"Host:",
"",
"");
await connection.Receive(
$"HTTP/1.1 200 OK",
$"Date: {server.Context.DateHeaderValue}",
"Content-Length: 0",
"",
"");
}
}
Assert.Empty(TestApplicationErrorLogger.Messages.Where(message => message.LogLevel == LogLevel.Error));
}
// https://tools.ietf.org/html/rfc7230#section-3.3.3
// If a message is received with both a Transfer-Encoding and a
// Content-Length header field, the Transfer-Encoding overrides the
// Content-Length.
[Fact]
public async Task WhenAppSetsTransferEncodingAndContentLengthWritingLessIsNotAnError()
{
var serviceContext = new TestServiceContext(LoggerFactory);
using (var server = new TestServer(async httpContext =>
{
httpContext.Response.Headers["Transfer-Encoding"] = "chunked";
httpContext.Response.ContentLength = 13;
await httpContext.Response.WriteAsync("hello, world");
}, serviceContext))
{
using (var connection = server.CreateConnection())
{
await connection.Send(
"GET / HTTP/1.1",
"Host:",
"",
"");
await connection.Receive(
$"HTTP/1.1 200 OK",
$"Date: {server.Context.DateHeaderValue}",
"Content-Length: 13",
"Transfer-Encoding: chunked",
"",
"hello, world");
}
}
Assert.Empty(TestApplicationErrorLogger.Messages.Where(message => message.LogLevel == LogLevel.Error));
}
// https://tools.ietf.org/html/rfc7230#section-3.3.3
// If a message is received with both a Transfer-Encoding and a
// Content-Length header field, the Transfer-Encoding overrides the
// Content-Length.
[Fact]
public async Task WhenAppSetsTransferEncodingAndContentLengthWritingMoreIsNotAnError()
{
var serviceContext = new TestServiceContext(LoggerFactory);
using (var server = new TestServer(async httpContext =>
{
httpContext.Response.Headers["Transfer-Encoding"] = "chunked";
httpContext.Response.ContentLength = 11;
await httpContext.Response.WriteAsync("hello, world");
}, serviceContext))
{
using (var connection = server.CreateConnection())
{
await connection.Send(
"GET / HTTP/1.1",
"Host:",
"",
"");
await connection.Receive(
$"HTTP/1.1 200 OK",
$"Date: {server.Context.DateHeaderValue}",
"Content-Length: 11",
"Transfer-Encoding: chunked",
"",
"hello, world");
}
}
Assert.Empty(TestApplicationErrorLogger.Messages.Where(message => message.LogLevel == LogLevel.Error));
}
[Fact]
public async Task HeadResponseCanContainContentLengthHeader()
{
using (var server = new TestServer(httpContext =>
{
httpContext.Response.ContentLength = 42;
return Task.CompletedTask;
}, new TestServiceContext(LoggerFactory)))
{
using (var connection = server.CreateConnection())
{
await connection.Send(
"HEAD / HTTP/1.1",
"Host:",
"",
"");
await connection.Receive(
"HTTP/1.1 200 OK",
$"Date: {server.Context.DateHeaderValue}",
"Content-Length: 42",
"",
"");
}
}
}
[Fact]
public async Task HeadResponseBodyNotWrittenWithAsyncWrite()
{
var flushed = new TaskCompletionSource<object>(TaskCreationOptions.RunContinuationsAsynchronously);
using (var server = new TestServer(async httpContext =>
{
httpContext.Response.ContentLength = 12;
await httpContext.Response.WriteAsync("hello, world");
await flushed.Task;
}, new TestServiceContext(LoggerFactory)))
{
using (var connection = server.CreateConnection())
{
await connection.Send(
"HEAD / HTTP/1.1",
"Host:",
"",
"");
await connection.Receive(
"HTTP/1.1 200 OK",
$"Date: {server.Context.DateHeaderValue}",
"Content-Length: 12",
"",
"");
flushed.SetResult(null);
}
}
}
[Fact]
public async Task HeadResponseBodyNotWrittenWithSyncWrite()
{
var flushed = new TaskCompletionSource<object>(TaskCreationOptions.RunContinuationsAsynchronously);
var serviceContext = new TestServiceContext(LoggerFactory) { ServerOptions = { AllowSynchronousIO = true } };
using (var server = new TestServer(async httpContext =>
{
httpContext.Response.ContentLength = 12;
httpContext.Response.Body.Write(Encoding.ASCII.GetBytes("hello, world"), 0, 12);
await flushed.Task;
}, serviceContext))
{
using (var connection = server.CreateConnection())
{
await connection.Send(
"HEAD / HTTP/1.1",
"Host:",
"",
"");
await connection.Receive(
"HTTP/1.1 200 OK",
$"Date: {server.Context.DateHeaderValue}",
"Content-Length: 12",
"",
"");
flushed.SetResult(null);
}
}
}
[Fact]
public async Task ZeroLengthWritesFlushHeaders()
{
var flushed = new TaskCompletionSource<object>(TaskCreationOptions.RunContinuationsAsynchronously);
using (var server = new TestServer(async httpContext =>
{
httpContext.Response.ContentLength = 12;
await httpContext.Response.WriteAsync("");
await flushed.Task;
await httpContext.Response.WriteAsync("hello, world");
}, new TestServiceContext(LoggerFactory)))
{
using (var connection = server.CreateConnection())
{
await connection.Send(
"GET / HTTP/1.1",
"Host:",
"",
"");
await connection.Receive(
"HTTP/1.1 200 OK",
$"Date: {server.Context.DateHeaderValue}",
"Content-Length: 12",
"",
"");
flushed.SetResult(null);
await connection.ReceiveEnd("hello, world");
}
}
}
[Fact]
public async Task AppCanWriteOwnBadRequestResponse()
{
var expectedResponse = string.Empty;
var responseWritten = new TaskCompletionSource<object>(TaskCreationOptions.RunContinuationsAsynchronously);
using (var server = new TestServer(async httpContext =>
{
try
{
await httpContext.Request.Body.ReadAsync(new byte[1], 0, 1);
}
catch (BadHttpRequestException ex)
{
expectedResponse = ex.Message;
httpContext.Response.StatusCode = StatusCodes.Status400BadRequest;
httpContext.Response.ContentLength = ex.Message.Length;
await httpContext.Response.WriteAsync(ex.Message);
responseWritten.SetResult(null);
}
}, new TestServiceContext(LoggerFactory)))
{
using (var connection = server.CreateConnection())
{
await connection.Send(
"POST / HTTP/1.1",
"Host:",
"Transfer-Encoding: chunked",
"",
"gg");
await responseWritten.Task.DefaultTimeout();
await connection.ReceiveEnd(
"HTTP/1.1 400 Bad Request",
$"Date: {server.Context.DateHeaderValue}",
$"Content-Length: {expectedResponse.Length}",
"",
expectedResponse);
}
}
}
[Theory]
[InlineData("gzip")]
[InlineData("chunked, gzip")]
public async Task ConnectionClosedWhenChunkedIsNotFinalTransferCoding(string responseTransferEncoding)
{
using (var server = new TestServer(async httpContext =>
{
httpContext.Response.Headers["Transfer-Encoding"] = responseTransferEncoding;
await httpContext.Response.WriteAsync("hello, world");
}, new TestServiceContext(LoggerFactory)))
{
using (var connection = server.CreateConnection())
{
await connection.Send(
"GET / HTTP/1.1",
"Host:",
"",
"");
await connection.ReceiveForcedEnd(
"HTTP/1.1 200 OK",
"Connection: close",
$"Date: {server.Context.DateHeaderValue}",
$"Transfer-Encoding: {responseTransferEncoding}",
"",
"hello, world");
}
using (var connection = server.CreateConnection())
{
await connection.Send(
"GET / HTTP/1.0",
"Connection: keep-alive",
"",
"");
await connection.ReceiveForcedEnd(
"HTTP/1.1 200 OK",
"Connection: close",
$"Date: {server.Context.DateHeaderValue}",
$"Transfer-Encoding: {responseTransferEncoding}",
"",
"hello, world");
}
}
}
[Theory]
[InlineData("gzip")]
[InlineData("chunked, gzip")]
public async Task ConnectionClosedWhenChunkedIsNotFinalTransferCodingEvenIfConnectionKeepAliveSetInResponse(string responseTransferEncoding)
{
using (var server = new TestServer(async httpContext =>
{
httpContext.Response.Headers["Connection"] = "keep-alive";
httpContext.Response.Headers["Transfer-Encoding"] = responseTransferEncoding;
await httpContext.Response.WriteAsync("hello, world");
}, new TestServiceContext(LoggerFactory)))
{
using (var connection = server.CreateConnection())
{
await connection.Send(
"GET / HTTP/1.1",
"Host:",
"",
"");
await connection.ReceiveForcedEnd(
"HTTP/1.1 200 OK",
"Connection: keep-alive",
$"Date: {server.Context.DateHeaderValue}",
$"Transfer-Encoding: {responseTransferEncoding}",
"",
"hello, world");
}
using (var connection = server.CreateConnection())
{
await connection.Send(
"GET / HTTP/1.0",
"Connection: keep-alive",
"",
"");
await connection.ReceiveForcedEnd(
"HTTP/1.1 200 OK",
"Connection: keep-alive",
$"Date: {server.Context.DateHeaderValue}",
$"Transfer-Encoding: {responseTransferEncoding}",
"",
"hello, world");
}
}
}
[Theory]
[InlineData("chunked")]
[InlineData("gzip, chunked")]
public async Task ConnectionKeptAliveWhenChunkedIsFinalTransferCoding(string responseTransferEncoding)
{
using (var server = new TestServer(async httpContext =>
{
httpContext.Response.Headers["Transfer-Encoding"] = responseTransferEncoding;
// App would have to chunk manually, but here we don't care
await httpContext.Response.WriteAsync("hello, world");
}, new TestServiceContext(LoggerFactory)))
{
using (var connection = server.CreateConnection())
{
await connection.Send(
"GET / HTTP/1.1",
"Host:",
"",
"");
await connection.Receive(
"HTTP/1.1 200 OK",
$"Date: {server.Context.DateHeaderValue}",
$"Transfer-Encoding: {responseTransferEncoding}",
"",
"hello, world");
// Make sure connection was kept open
await connection.Send(
"GET / HTTP/1.1",
"Host:",
"",
"");
await connection.ReceiveEnd(
"HTTP/1.1 200 OK",
$"Date: {server.Context.DateHeaderValue}",
$"Transfer-Encoding: {responseTransferEncoding}",
"",
"hello, world");
}
}
}
[Fact]
public async Task FirstWriteVerifiedAfterOnStarting()
{
var serviceContext = new TestServiceContext(LoggerFactory) { ServerOptions = { AllowSynchronousIO = true } };
using (var server = new TestServer(httpContext =>
{
httpContext.Response.OnStarting(() =>
{
// Change response to chunked
httpContext.Response.ContentLength = null;
return Task.CompletedTask;
});
var response = Encoding.ASCII.GetBytes("hello, world");
httpContext.Response.ContentLength = response.Length - 1;
// If OnStarting is not run before verifying writes, an error response will be sent.
httpContext.Response.Body.Write(response, 0, response.Length);
return Task.CompletedTask;
}, serviceContext))
{
using (var connection = server.CreateConnection())
{
await connection.Send(
"GET / HTTP/1.1",
"Host:",
"",
"");
await connection.Receive(
"HTTP/1.1 200 OK",
$"Date: {server.Context.DateHeaderValue}",
$"Transfer-Encoding: chunked",
"",
"c",
"hello, world",
"0",
"",
"");
}
}
}
[Fact]
public async Task SubsequentWriteVerifiedAfterOnStarting()
{
var serviceContext = new TestServiceContext(LoggerFactory) { ServerOptions = { AllowSynchronousIO = true } };
using (var server = new TestServer(httpContext =>
{
httpContext.Response.OnStarting(() =>
{
// Change response to chunked
httpContext.Response.ContentLength = null;
return Task.CompletedTask;
});
var response = Encoding.ASCII.GetBytes("hello, world");
httpContext.Response.ContentLength = response.Length - 1;
// If OnStarting is not run before verifying writes, an error response will be sent.
httpContext.Response.Body.Write(response, 0, response.Length / 2);
httpContext.Response.Body.Write(response, response.Length / 2, response.Length - response.Length / 2);
return Task.CompletedTask;
}, serviceContext))
{
using (var connection = server.CreateConnection())
{
await connection.Send(
"GET / HTTP/1.1",
"Host:",
"",
"");
await connection.Receive(
"HTTP/1.1 200 OK",
$"Date: {server.Context.DateHeaderValue}",
$"Transfer-Encoding: chunked",
"",
"6",
"hello,",
"6",
" world",
"0",
"",
"");
}
}
}
[Fact]
public async Task FirstWriteAsyncVerifiedAfterOnStarting()
{
using (var server = new TestServer(httpContext =>
{
httpContext.Response.OnStarting(() =>
{
// Change response to chunked
httpContext.Response.ContentLength = null;
return Task.CompletedTask;
});
var response = Encoding.ASCII.GetBytes("hello, world");
httpContext.Response.ContentLength = response.Length - 1;
// If OnStarting is not run before verifying writes, an error response will be sent.
return httpContext.Response.Body.WriteAsync(response, 0, response.Length);
}, new TestServiceContext(LoggerFactory)))
{
using (var connection = server.CreateConnection())
{
await connection.Send(
"GET / HTTP/1.1",
"Host:",
"",
"");
await connection.Receive(
"HTTP/1.1 200 OK",
$"Date: {server.Context.DateHeaderValue}",
$"Transfer-Encoding: chunked",
"",
"c",
"hello, world",
"0",
"",
"");
}
}
}
[Fact]
public async Task SubsequentWriteAsyncVerifiedAfterOnStarting()
{
using (var server = new TestServer(async httpContext =>
{
httpContext.Response.OnStarting(() =>
{
// Change response to chunked
httpContext.Response.ContentLength = null;
return Task.CompletedTask;
});
var response = Encoding.ASCII.GetBytes("hello, world");
httpContext.Response.ContentLength = response.Length - 1;
// If OnStarting is not run before verifying writes, an error response will be sent.
await httpContext.Response.Body.WriteAsync(response, 0, response.Length / 2);
await httpContext.Response.Body.WriteAsync(response, response.Length / 2, response.Length - response.Length / 2);
}, new TestServiceContext(LoggerFactory)))
{
using (var connection = server.CreateConnection())
{
await connection.Send(
"GET / HTTP/1.1",
"Host:",
"",
"");
await connection.Receive(
"HTTP/1.1 200 OK",
$"Date: {server.Context.DateHeaderValue}",
$"Transfer-Encoding: chunked",
"",
"6",
"hello,",
"6",
" world",
"0",
"",
"");
}
}
}
[Fact]
public async Task WhenResponseAlreadyStartedResponseEndedBeforeConsumingRequestBody()
{
using (var server = new TestServer(async httpContext =>
{
await httpContext.Response.WriteAsync("hello, world");
}, new TestServiceContext(LoggerFactory)))
{
using (var connection = server.CreateConnection())
{
await connection.Send(
"POST / HTTP/1.1",
"Host:",
"Content-Length: 1",
"",
"");
await connection.Receive(
"HTTP/1.1 200 OK",
$"Date: {server.Context.DateHeaderValue}",
$"Transfer-Encoding: chunked",
"",
"c",
"hello, world",
"");
// If the expected behavior is regressed, this will hang because the
// server will try to consume the request body before flushing the chunked
// terminator.
await connection.Receive(
"0",
"",
"");
}
}
}
[Fact]
public async Task WhenResponseNotStartedResponseEndedBeforeConsumingRequestBody()
{
using (var server = new TestServer(httpContext => Task.CompletedTask,
new TestServiceContext(LoggerFactory)))
{
using (var connection = server.CreateConnection())
{
await connection.Send(
"POST / HTTP/1.1",
"Host:",
"Transfer-Encoding: chunked",
"",
"gg");
// This will receive a success response because the server flushed the response
// before reading the malformed chunk header in the request, but then it will close
// the connection.
await connection.ReceiveForcedEnd(
"HTTP/1.1 200 OK",
$"Date: {server.Context.DateHeaderValue}",
"Content-Length: 0",
"",
"");
}
}
Assert.Contains(TestApplicationErrorLogger.Messages, w => w.EventId.Id == 17 && w.LogLevel == LogLevel.Information && w.Exception is BadHttpRequestException
&& ((BadHttpRequestException)w.Exception).StatusCode == StatusCodes.Status400BadRequest);
}
[Fact]
public async Task RequestDrainingFor100ContinueDoesNotBlockResponse()
{
var foundMessage = false;
using (var server = new TestServer(httpContext =>
{
return httpContext.Request.Body.ReadAsync(new byte[1], 0, 1);
}, new TestServiceContext(LoggerFactory)))
{
using (var connection = server.CreateConnection())
{
await connection.Send(
"POST / HTTP/1.1",
"Host:",
"Transfer-Encoding: chunked",
"Expect: 100-continue",
"",
"");
await connection.Receive(
"HTTP/1.1 100 Continue",
"",
"");
// Let the app finish
await connection.Send(
"1",
"a",
"");
await connection.Receive(
"HTTP/1.1 200 OK",
$"Date: {server.Context.DateHeaderValue}",
"Content-Length: 0",
"",
"");
// This will be consumed by Http1Connection when it attempts to
// consume the request body and will cause an error.
await connection.Send(
"gg");
// Wait for the server to drain the request body and log an error.
// Time out after 10 seconds
for (int i = 0; i < 10 && !foundMessage; i++)
{
while (TestApplicationErrorLogger.Messages.TryDequeue(out var message))
{
if (message.EventId.Id == 17 && message.LogLevel == LogLevel.Information && message.Exception is BadHttpRequestException
&& ((BadHttpRequestException)message.Exception).StatusCode == StatusCodes.Status400BadRequest)
{
foundMessage = true;
break;
}
}
if (!foundMessage)
{
await Task.Delay(TimeSpan.FromSeconds(1));
}
}
await connection.ReceiveEnd();
}
}
Assert.True(foundMessage, "Expected log not found");
}
[Fact]
public async Task Sending100ContinueDoesNotPreventAutomatic400Responses()
{
using (var server = new TestServer(httpContext =>
{
return httpContext.Request.Body.ReadAsync(new byte[1], 0, 1);
}, new TestServiceContext(LoggerFactory)))
{
using (var connection = server.CreateConnection())
{
await connection.Send(
"POST / HTTP/1.1",
"Host:",
"Transfer-Encoding: chunked",
"Expect: 100-continue",
"",
"");
await connection.Receive(
"HTTP/1.1 100 Continue",
"",
"");
// Send an invalid chunk prefix to cause an error.
await connection.Send(
"gg");
// If 100 Continue sets HttpProtocol.HasResponseStarted to true,
// a success response will be produced before the server sees the
// bad chunk header above, making this test fail.
await connection.ReceiveForcedEnd(
"HTTP/1.1 400 Bad Request",
"Connection: close",
$"Date: {server.Context.DateHeaderValue}",
"Content-Length: 0",
"",
"");
}
}
Assert.Contains(TestApplicationErrorLogger.Messages, w => w.EventId.Id == 17 && w.LogLevel == LogLevel.Information && w.Exception is BadHttpRequestException
&& ((BadHttpRequestException)w.Exception).StatusCode == StatusCodes.Status400BadRequest);
}
[Fact]
public async Task Sending100ContinueAndResponseSendsChunkTerminatorBeforeConsumingRequestBody()
{
using (var server = new TestServer(async httpContext =>
{
await httpContext.Request.Body.ReadAsync(new byte[1], 0, 1);
await httpContext.Response.WriteAsync("hello, world");
}, new TestServiceContext(LoggerFactory)))
{
using (var connection = server.CreateConnection())
{
await connection.Send(
"POST / HTTP/1.1",
"Host:",
"Content-Length: 2",
"Expect: 100-continue",
"",
"");
await connection.Receive(
"HTTP/1.1 100 Continue",
"",
"");
await connection.Send(
"a");
await connection.Receive(
"HTTP/1.1 200 OK",
$"Date: {server.Context.DateHeaderValue}",
$"Transfer-Encoding: chunked",
"",
"c",
"hello, world",
"");
// If the expected behavior is regressed, this will hang because the
// server will try to consume the request body before flushing the chunked
// terminator.
await connection.Receive(
"0",
"",
"");
}
}
}
[Fact]
public async Task Http11ResponseSentToHttp10Request()
{
var serviceContext = new TestServiceContext(LoggerFactory);
using (var server = new TestServer(TestApp.EchoApp, serviceContext))
{
using (var connection = server.CreateConnection())
{
await connection.Send(
"POST / HTTP/1.0",
"Content-Length: 11",
"",
"Hello World");
await connection.ReceiveEnd(
"HTTP/1.1 200 OK",
"Connection: close",
$"Date: {serviceContext.DateHeaderValue}",
"",
"Hello World");
}
}
}
[Fact]
public async Task ZeroContentLengthSetAutomaticallyAfterNoWrites()
{
var testContext = new TestServiceContext(LoggerFactory);
using (var server = new TestServer(TestApp.EmptyApp, testContext))
{
using (var connection = server.CreateConnection())
{
await connection.Send(
"GET / HTTP/1.1",
"Host:",
"",
"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",
"",
"");
}
}
}
[Fact]
public async Task ZeroContentLengthSetAutomaticallyForNonKeepAliveRequests()
{
var testContext = new TestServiceContext(LoggerFactory);
using (var server = new TestServer(async httpContext =>
{
Assert.Equal(0, await httpContext.Request.Body.ReadAsync(new byte[1], 0, 1).DefaultTimeout());
}, testContext))
{
using (var connection = server.CreateConnection())
{
await connection.Send(
"GET / HTTP/1.1",
"Host:",
"Connection: close",
"",
"");
await connection.ReceiveEnd(
"HTTP/1.1 200 OK",
"Connection: close",
$"Date: {testContext.DateHeaderValue}",
"Content-Length: 0",
"",
"");
}
using (var connection = server.CreateConnection())
{
await connection.Send(
"GET / HTTP/1.0",
"",
"");
await connection.ReceiveEnd(
"HTTP/1.1 200 OK",
"Connection: close",
$"Date: {testContext.DateHeaderValue}",
"Content-Length: 0",
"",
"");
}
}
}
[Fact]
public async Task ZeroContentLengthNotSetAutomaticallyForHeadRequests()
{
var testContext = new TestServiceContext(LoggerFactory);
using (var server = new TestServer(TestApp.EmptyApp, testContext))
{
using (var connection = server.CreateConnection())
{
await connection.Send(
"HEAD / HTTP/1.1",
"Host:",
"",
"");
await connection.ReceiveEnd(
"HTTP/1.1 200 OK",
$"Date: {testContext.DateHeaderValue}",
"",
"");
}
}
}
[Fact]
public async Task ZeroContentLengthNotSetAutomaticallyForCertainStatusCodes()
{
var testContext = new TestServiceContext(LoggerFactory);
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.Send(
"POST / HTTP/1.1",
"Host:",
"Content-Length: 3",
"",
"204POST / HTTP/1.1",
"Host:",
"Content-Length: 3",
"",
"205POST / HTTP/1.1",
"Host:",
"Content-Length: 3",
"",
"304POST / HTTP/1.1",
"Host:",
"Content-Length: 3",
"",
"200");
await connection.ReceiveEnd(
"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",
"",
"");
}
}
}
[Fact]
public async Task ConnectionClosedAfter101Response()
{
var testContext = new TestServiceContext(LoggerFactory);
using (var server = new TestServer(async httpContext =>
{
var request = httpContext.Request;
var stream = await httpContext.Features.Get<IHttpUpgradeFeature>().UpgradeAsync();
var response = Encoding.ASCII.GetBytes("hello, world");
await stream.WriteAsync(response, 0, response.Length);
}, testContext))
{
using (var connection = server.CreateConnection())
{
await connection.Send(
"GET / HTTP/1.1",
"Host:",
"Connection: Upgrade",
"",
"");
await connection.ReceiveForcedEnd(
"HTTP/1.1 101 Switching Protocols",
"Connection: Upgrade",
$"Date: {testContext.DateHeaderValue}",
"",
"hello, world");
}
using (var connection = server.CreateConnection())
{
await connection.Send(
"GET / HTTP/1.0",
"Connection: keep-alive, Upgrade",
"",
"");
await connection.ReceiveForcedEnd(
"HTTP/1.1 101 Switching Protocols",
"Connection: Upgrade",
$"Date: {testContext.DateHeaderValue}",
"",
"hello, world");
}
}
}
[Fact]
public async Task ThrowingResultsIn500Response()
{
var testContext = new TestServiceContext(LoggerFactory);
bool onStartingCalled = false;
using (var server = new TestServer(httpContext =>
{
var response = httpContext.Response;
response.OnStarting(_ =>
{
onStartingCalled = true;
return Task.CompletedTask;
}, 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.Send(
"GET / HTTP/1.1",
"Host:",
"",
"GET / HTTP/1.1",
"Host:",
"Connection: close",
"",
"");
await connection.ReceiveForcedEnd(
"HTTP/1.1 500 Internal Server Error",
$"Date: {testContext.DateHeaderValue}",
"Content-Length: 0",
"",
"HTTP/1.1 500 Internal Server Error",
"Connection: close",
$"Date: {testContext.DateHeaderValue}",
"Content-Length: 0",
"",
"");
}
}
Assert.False(onStartingCalled);
Assert.Equal(2, TestApplicationErrorLogger.Messages.Where(message => message.LogLevel == LogLevel.Error).Count());
}
[Fact]
public async Task ThrowingInOnStartingResultsInFailedWritesAnd500Response()
{
var callback1Called = false;
var callback2CallCount = 0;
var testContext = new TestServiceContext(LoggerFactory);
using (var server = new TestServer(async httpContext =>
{
var onStartingException = new Exception();
var response = httpContext.Response;
response.OnStarting(_ =>
{
callback1Called = true;
throw onStartingException;
}, null);
response.OnStarting(_ =>
{
callback2CallCount++;
throw onStartingException;
}, null);
var writeException = await Assert.ThrowsAsync<ObjectDisposedException>(async () => await response.Body.FlushAsync());
Assert.Same(onStartingException, writeException.InnerException);
}, testContext))
{
using (var connection = server.CreateConnection())
{
await connection.Send(
"GET / HTTP/1.1",
"Host:",
"",
"GET / HTTP/1.1",
"Host:",
"",
"");
await connection.ReceiveEnd(
"HTTP/1.1 500 Internal Server Error",
$"Date: {testContext.DateHeaderValue}",
"Content-Length: 0",
"",
"HTTP/1.1 500 Internal Server Error",
$"Date: {testContext.DateHeaderValue}",
"Content-Length: 0",
"",
"");
}
}
// The first registered OnStarting callback should have been called,
// since they are called LIFO order and the other one failed.
Assert.False(callback1Called);
Assert.Equal(2, callback2CallCount);
Assert.Equal(2, TestApplicationErrorLogger.Messages.Where(message => message.LogLevel == LogLevel.Error).Count());
}
[Fact]
public async Task ThrowingInOnCompletedIsLogged()
{
var testContext = new TestServiceContext(LoggerFactory);
var onCompletedCalled1 = false;
var onCompletedCalled2 = false;
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",
"Host:",
"",
"");
await connection.ReceiveEnd(
"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, TestApplicationErrorLogger.Messages.Where(message => message.LogLevel == LogLevel.Error).Count());
Assert.True(onCompletedCalled1);
Assert.True(onCompletedCalled2);
}
[Fact]
public async Task ThrowingAfterWritingKillsConnection()
{
var testContext = new TestServiceContext(LoggerFactory);
bool onStartingCalled = false;
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",
"Host:",
"",
"");
await connection.ReceiveForcedEnd(
"HTTP/1.1 200 OK",
$"Date: {testContext.DateHeaderValue}",
"Content-Length: 11",
"",
"Hello World");
}
}
Assert.True(onStartingCalled);
Assert.Single(TestApplicationErrorLogger.Messages, message => message.LogLevel == LogLevel.Error);
}
[Fact]
public async Task ThrowingAfterPartialWriteKillsConnection()
{
var testContext = new TestServiceContext(LoggerFactory);
bool onStartingCalled = false;
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",
"Host:",
"",
"");
await connection.ReceiveForcedEnd(
"HTTP/1.1 200 OK",
$"Date: {testContext.DateHeaderValue}",
"Content-Length: 11",
"",
"Hello");
}
}
Assert.True(onStartingCalled);
Assert.Single(TestApplicationErrorLogger.Messages, message => message.LogLevel == LogLevel.Error);
}
[Fact]
public async Task NoErrorsLoggedWhenServerEndsConnectionBeforeClient()
{
var testContext = new TestServiceContext(LoggerFactory);
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",
"Connection: close",
$"Date: {testContext.DateHeaderValue}",
"Content-Length: 11",
"",
"Hello World");
}
}
Assert.Empty(TestApplicationErrorLogger.Messages.Where(message => message.LogLevel == LogLevel.Error));
}
[Fact]
public async Task NoResponseSentWhenConnectionIsClosedByServerBeforeClientFinishesSendingRequest()
{
var testContext = new TestServiceContext(LoggerFactory);
using (var server = new TestServer(httpContext =>
{
httpContext.Abort();
return Task.CompletedTask;
}, testContext))
{
using (var connection = server.CreateConnection())
{
await connection.Send(
"POST / HTTP/1.0",
"Content-Length: 1",
"",
"");
await connection.ReceiveForcedEnd();
}
}
}
[Fact]
public async Task ResponseHeadersAreResetOnEachRequest()
{
var testContext = new TestServiceContext(LoggerFactory);
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 HttpResponseHeaders();
firstRequest = false;
}
else
{
Assert.Same(originalResponseHeaders, responseFeature.Headers);
}
return Task.CompletedTask;
}, testContext))
{
using (var connection = server.CreateConnection())
{
await connection.Send(
"GET / HTTP/1.1",
"Host:",
"",
"GET / HTTP/1.1",
"Host:",
"",
"");
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",
"",
"");
}
}
}
[Fact]
public async Task OnStartingCallbacksAreCalledInLastInFirstOutOrder()
{
const string response = "hello, world";
var testContext = new TestServiceContext(LoggerFactory);
var callOrder = new Stack<int>();
var onStartingTcs = new TaskCompletionSource<object>(TaskCreationOptions.RunContinuationsAsynchronously);
using (var server = new TestServer(async context =>
{
context.Response.OnStarting(_ =>
{
callOrder.Push(1);
onStartingTcs.SetResult(null);
return Task.CompletedTask;
}, null);
context.Response.OnStarting(_ =>
{
callOrder.Push(2);
return Task.CompletedTask;
}, null);
context.Response.ContentLength = response.Length;
await context.Response.WriteAsync(response);
}, testContext))
{
using (var connection = server.CreateConnection())
{
await connection.Send(
"GET / HTTP/1.1",
"Host:",
"",
"");
await connection.ReceiveEnd(
"HTTP/1.1 200 OK",
$"Date: {testContext.DateHeaderValue}",
$"Content-Length: {response.Length}",
"",
"hello, world");
// Wait for all callbacks to be called.
await onStartingTcs.Task.DefaultTimeout();
}
}
Assert.Equal(1, callOrder.Pop());
Assert.Equal(2, callOrder.Pop());
}
[Fact]
public async Task OnCompletedCallbacksAreCalledInLastInFirstOutOrder()
{
const string response = "hello, world";
var testContext = new TestServiceContext(LoggerFactory);
var callOrder = new Stack<int>();
var onCompletedTcs = new TaskCompletionSource<object>(TaskCreationOptions.RunContinuationsAsynchronously);
using (var server = new TestServer(async context =>
{
context.Response.OnCompleted(_ =>
{
callOrder.Push(1);
onCompletedTcs.SetResult(null);
return Task.CompletedTask;
}, null);
context.Response.OnCompleted(_ =>
{
callOrder.Push(2);
return Task.CompletedTask;
}, null);
context.Response.ContentLength = response.Length;
await context.Response.WriteAsync(response);
}, testContext))
{
using (var connection = server.CreateConnection())
{
await connection.Send(
"GET / HTTP/1.1",
"Host:",
"",
"");
await connection.ReceiveEnd(
"HTTP/1.1 200 OK",
$"Date: {testContext.DateHeaderValue}",
$"Content-Length: {response.Length}",
"",
"hello, world");
// Wait for all callbacks to be called.
await onCompletedTcs.Task.DefaultTimeout();
}
}
Assert.Equal(1, callOrder.Pop());
Assert.Equal(2, callOrder.Pop());
}
[Fact]
public async Task SynchronousWritesAllowedByDefault()
{
var firstRequest = true;
using (var server = new TestServer(async context =>
{
var bodyControlFeature = context.Features.Get<IHttpBodyControlFeature>();
Assert.True(bodyControlFeature.AllowSynchronousIO);
context.Response.ContentLength = 6;
if (firstRequest)
{
context.Response.Body.Write(Encoding.ASCII.GetBytes("Hello1"), 0, 6);
firstRequest = false;
}
else
{
bodyControlFeature.AllowSynchronousIO = false;
// Synchronous writes now throw.
var ioEx = Assert.Throws<InvalidOperationException>(() => context.Response.Body.Write(Encoding.ASCII.GetBytes("What!?"), 0, 6));
Assert.Equal(CoreStrings.SynchronousWritesDisallowed, ioEx.Message);
await context.Response.Body.WriteAsync(Encoding.ASCII.GetBytes("Hello2"), 0, 6);
}
}, new TestServiceContext(LoggerFactory)))
{
using (var connection = server.CreateConnection())
{
await connection.SendEmptyGet();
await connection.Receive(
"HTTP/1.1 200 OK",
$"Date: {server.Context.DateHeaderValue}",
"Content-Length: 6",
"",
"Hello1");
await connection.SendEmptyGet();
await connection.Receive(
"HTTP/1.1 200 OK",
$"Date: {server.Context.DateHeaderValue}",
"Content-Length: 6",
"",
"Hello2");
}
}
}
[Fact]
public async Task SynchronousWritesCanBeDisallowedGlobally()
{
var testContext = new TestServiceContext(LoggerFactory)
{
ServerOptions = { AllowSynchronousIO = false }
};
using (var server = new TestServer(context =>
{
var bodyControlFeature = context.Features.Get<IHttpBodyControlFeature>();
Assert.False(bodyControlFeature.AllowSynchronousIO);
context.Response.ContentLength = 6;
// Synchronous writes now throw.
var ioEx = Assert.Throws<InvalidOperationException>(() => context.Response.Body.Write(Encoding.ASCII.GetBytes("What!?"), 0, 6));
Assert.Equal(CoreStrings.SynchronousWritesDisallowed, ioEx.Message);
return context.Response.Body.WriteAsync(Encoding.ASCII.GetBytes("Hello!"), 0, 6);
}, testContext))
{
using (var connection = server.CreateConnection())
{
await connection.Send(
"GET / HTTP/1.1",
"Host:",
"",
"");
await connection.Receive(
"HTTP/1.1 200 OK",
$"Date: {server.Context.DateHeaderValue}",
"Content-Length: 6",
"",
"Hello!");
}
}
}
[Fact]
public async Task NonZeroContentLengthFor304StatusCodeIsAllowed()
{
using (var server = new TestServer(httpContext =>
{
var response = httpContext.Response;
response.StatusCode = StatusCodes.Status304NotModified;
response.ContentLength = 42;
return Task.CompletedTask;
}, new TestServiceContext(LoggerFactory)))
{
using (var connection = server.CreateConnection())
{
await connection.Send(
"GET / HTTP/1.1",
"Host:",
"",
"");
await connection.Receive(
"HTTP/1.1 304 Not Modified",
$"Date: {server.Context.DateHeaderValue}",
"Content-Length: 42",
"",
"");
}
}
}
private static async Task ResponseStatusCodeSetBeforeHttpContextDispose(
ITestSink testSink,
ILoggerFactory loggerFactory,
RequestDelegate handler,
HttpStatusCode? expectedClientStatusCode,
HttpStatusCode expectedServerStatusCode,
bool sendMalformedRequest = false)
{
var mockHttpContextFactory = new Mock<IHttpContextFactory>();
mockHttpContextFactory.Setup(f => f.Create(It.IsAny<IFeatureCollection>()))
.Returns<IFeatureCollection>(fc => new DefaultHttpContext(fc));
var disposedTcs = new TaskCompletionSource<int>(TaskCreationOptions.RunContinuationsAsynchronously);
mockHttpContextFactory.Setup(f => f.Dispose(It.IsAny<HttpContext>()))
.Callback<HttpContext>(c =>
{
disposedTcs.TrySetResult(c.Response.StatusCode);
});
using (var server = new TestServer(handler, new TestServiceContext(loggerFactory),
options => options.ListenOptions.Add(new ListenOptions(new IPEndPoint(IPAddress.Loopback, 0))),
services => services.AddSingleton(mockHttpContextFactory.Object)))
{
using (var connection = server.CreateConnection())
{
if (!sendMalformedRequest)
{
await connection.Send(
"GET / HTTP/1.1",
"Host:",
"Connection: close",
"",
"");
using (var reader = new StreamReader(connection.Stream, Encoding.ASCII, detectEncodingFromByteOrderMarks: true, bufferSize: 1024, leaveOpen: true))
{
try
{
var response = await reader.ReadToEndAsync().DefaultTimeout();
Assert.Equal(expectedClientStatusCode, GetStatus(response));
}
catch
{
if (expectedClientStatusCode != null)
{
throw;
}
}
}
}
else
{
await connection.Send(
"POST / HTTP/1.1",
"Host:",
"Transfer-Encoding: chunked",
"",
"gg");
if (expectedClientStatusCode == HttpStatusCode.OK)
{
await connection.ReceiveForcedEnd(
"HTTP/1.1 200 OK",
$"Date: {server.Context.DateHeaderValue}",
"Content-Length: 0",
"",
"");
}
else
{
await connection.ReceiveForcedEnd(
"HTTP/1.1 400 Bad Request",
"Connection: close",
$"Date: {server.Context.DateHeaderValue}",
"Content-Length: 0",
"",
"");
}
}
}
var disposedStatusCode = await disposedTcs.Task.DefaultTimeout();
Assert.Equal(expectedServerStatusCode, (HttpStatusCode)disposedStatusCode);
}
if (sendMalformedRequest)
{
Assert.Contains(testSink.Writes, w => w.EventId.Id == 17 && w.LogLevel == LogLevel.Information && w.Exception is BadHttpRequestException
&& ((BadHttpRequestException)w.Exception).StatusCode == StatusCodes.Status400BadRequest);
}
else
{
Assert.DoesNotContain(testSink.Writes, w => w.EventId.Id == 17 && w.LogLevel == LogLevel.Information && w.Exception is BadHttpRequestException
&& ((BadHttpRequestException)w.Exception).StatusCode == StatusCodes.Status400BadRequest);
}
}
private static HttpStatusCode GetStatus(string response)
{
var statusStart = response.IndexOf(' ') + 1;
var statusEnd = response.IndexOf(' ', statusStart) - 1;
var statusLength = statusEnd - statusStart + 1;
if (statusLength < 1)
{
throw new InvalidDataException($"No StatusCode found in '{response}'");
}
return (HttpStatusCode)int.Parse(response.Substring(statusStart, statusLength));
}
}
}