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

414 lines
14 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.Text;
using System.Threading;
using System.Threading.Tasks;
using Microsoft.AspNetCore.Http;
using Microsoft.AspNetCore.Server.Kestrel.InMemory.FunctionalTests.TestTransport;
using Microsoft.AspNetCore.Testing;
using Microsoft.Extensions.Logging.Testing;
using Xunit;
namespace Microsoft.AspNetCore.Server.Kestrel.InMemory.FunctionalTests
{
public class ChunkedResponseTests : LoggedTest
{
[Fact]
public async Task ResponsesAreChunkedAutomatically()
{
var testContext = new TestServiceContext(LoggerFactory);
using (var server = new TestServer(async httpContext =>
{
var response = httpContext.Response;
await response.Body.WriteAsync(Encoding.ASCII.GetBytes("Hello "), 0, 6);
await response.Body.WriteAsync(Encoding.ASCII.GetBytes("World!"), 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: {testContext.DateHeaderValue}",
"Transfer-Encoding: chunked",
"",
"6",
"Hello ",
"6",
"World!",
"0",
"",
"");
}
}
}
[Fact]
public async Task ResponsesAreNotChunkedAutomaticallyForHttp10Requests()
{
var testContext = new TestServiceContext(LoggerFactory);
using (var server = new TestServer(async httpContext =>
{
await httpContext.Response.WriteAsync("Hello ");
await httpContext.Response.WriteAsync("World!");
}, testContext))
{
using (var connection = server.CreateConnection())
{
await connection.Send(
"GET / HTTP/1.0",
"Connection: keep-alive",
"",
"");
await connection.ReceiveEnd(
"HTTP/1.1 200 OK",
"Connection: close",
$"Date: {testContext.DateHeaderValue}",
"",
"Hello World!");
}
}
}
[Fact]
public async Task ResponsesAreChunkedAutomaticallyForHttp11NonKeepAliveRequests()
{
var testContext = new TestServiceContext(LoggerFactory);
using (var server = new TestServer(async httpContext =>
{
await httpContext.Response.WriteAsync("Hello ");
await httpContext.Response.WriteAsync("World!");
}, 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}",
"Transfer-Encoding: chunked",
"",
"6",
"Hello ",
"6",
"World!",
"0",
"",
"");
}
}
}
[Fact]
public async Task SettingConnectionCloseHeaderInAppDoesNotDisableChunking()
{
var testContext = new TestServiceContext(LoggerFactory);
using (var server = new TestServer(async httpContext =>
{
httpContext.Response.Headers["Connection"] = "close";
await httpContext.Response.WriteAsync("Hello ");
await httpContext.Response.WriteAsync("World!");
}, testContext))
{
using (var connection = server.CreateConnection())
{
await connection.Send(
"GET / HTTP/1.1",
"Host: ",
"",
"");
await connection.ReceiveEnd(
"HTTP/1.1 200 OK",
"Connection: close",
$"Date: {testContext.DateHeaderValue}",
"Transfer-Encoding: chunked",
"",
"6",
"Hello ",
"6",
"World!",
"0",
"",
"");
}
}
}
[Fact]
public async Task ZeroLengthWritesAreIgnored()
{
var testContext = new TestServiceContext(LoggerFactory);
using (var server = new TestServer(async httpContext =>
{
var response = httpContext.Response;
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 = server.CreateConnection())
{
await connection.Send(
"GET / HTTP/1.1",
"Host: ",
"",
"");
await connection.Receive(
"HTTP/1.1 200 OK",
$"Date: {testContext.DateHeaderValue}",
"Transfer-Encoding: chunked",
"",
"6",
"Hello ",
"6",
"World!",
"0",
"",
"");
}
}
}
[Fact]
public async Task ZeroLengthWritesFlushHeaders()
{
var testContext = new TestServiceContext(LoggerFactory);
var flushed = new SemaphoreSlim(0, 1);
using (var server = new TestServer(async httpContext =>
{
var response = httpContext.Response;
await response.WriteAsync("");
await flushed.WaitAsync();
await response.WriteAsync("Hello World!");
}, testContext))
{
using (var connection = server.CreateConnection())
{
await connection.Send(
"GET / HTTP/1.1",
"Host: ",
"",
"");
await connection.Receive(
"HTTP/1.1 200 OK",
$"Date: {testContext.DateHeaderValue}",
"Transfer-Encoding: chunked",
"",
"");
flushed.Release();
await connection.Receive(
"c",
"Hello World!",
"0",
"",
"");
}
}
}
[Fact]
public async Task EmptyResponseBodyHandledCorrectlyWithZeroLengthWrite()
{
var testContext = new TestServiceContext(LoggerFactory);
using (var server = new TestServer(async httpContext =>
{
var response = httpContext.Response;
await response.Body.WriteAsync(new byte[0], 0, 0);
}, testContext))
{
using (var connection = server.CreateConnection())
{
await connection.Send(
"GET / HTTP/1.1",
"Host: ",
"",
"");
await connection.Receive(
"HTTP/1.1 200 OK",
$"Date: {testContext.DateHeaderValue}",
"Transfer-Encoding: chunked",
"",
"0",
"",
"");
}
}
}
[Fact]
public async Task ConnectionClosedIfExceptionThrownAfterWrite()
{
var testContext = new TestServiceContext(LoggerFactory);
using (var server = new TestServer(async httpContext =>
{
var response = httpContext.Response;
await response.Body.WriteAsync(Encoding.ASCII.GetBytes("Hello World!"), 0, 12);
throw new Exception();
}, testContext))
{
using (var connection = server.CreateConnection())
{
// SendEnd is not called, so it isn't the client closing the connection.
// client closing the connection.
await connection.Send(
"GET / HTTP/1.1",
"Host: ",
"",
"");
await connection.ReceiveEnd(
"HTTP/1.1 200 OK",
$"Date: {testContext.DateHeaderValue}",
"Transfer-Encoding: chunked",
"",
"c",
"Hello World!",
"");
}
}
}
[Fact]
public async Task ConnectionClosedIfExceptionThrownAfterZeroLengthWrite()
{
var testContext = new TestServiceContext(LoggerFactory);
using (var server = new TestServer(async httpContext =>
{
var response = httpContext.Response;
await response.Body.WriteAsync(new byte[0], 0, 0);
throw new Exception();
}, testContext))
{
using (var connection = server.CreateConnection())
{
// SendEnd is not called, so it isn't the client closing the connection.
await connection.Send(
"GET / HTTP/1.1",
"Host: ",
"",
"");
// Headers are sent before connection is closed, but chunked body terminator isn't sent
await connection.ReceiveEnd(
"HTTP/1.1 200 OK",
$"Date: {testContext.DateHeaderValue}",
"Transfer-Encoding: chunked",
"",
"");
}
}
}
[Fact]
public async Task WritesAreFlushedPriorToResponseCompletion()
{
var testContext = new TestServiceContext(LoggerFactory);
var flushWh = new TaskCompletionSource<object>(TaskCreationOptions.RunContinuationsAsynchronously);
using (var server = new TestServer(async httpContext =>
{
var response = httpContext.Response;
await response.Body.WriteAsync(Encoding.ASCII.GetBytes("Hello "), 0, 6);
// Don't complete response until client has received the first chunk.
await flushWh.Task.DefaultTimeout();
await response.Body.WriteAsync(Encoding.ASCII.GetBytes("World!"), 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: {testContext.DateHeaderValue}",
"Transfer-Encoding: chunked",
"",
"6",
"Hello ",
"");
flushWh.SetResult(null);
await connection.Receive(
"6",
"World!",
"0",
"",
"");
}
}
}
[Fact]
public async Task ChunksCanBeWrittenManually()
{
var testContext = new TestServiceContext(LoggerFactory);
using (var server = new TestServer(async httpContext =>
{
var response = httpContext.Response;
response.Headers["Transfer-Encoding"] = "chunked";
await response.Body.WriteAsync(Encoding.ASCII.GetBytes("6\r\nHello \r\n"), 0, 11);
await response.Body.WriteAsync(Encoding.ASCII.GetBytes("6\r\nWorld!\r\n"), 0, 11);
await response.Body.WriteAsync(Encoding.ASCII.GetBytes("0\r\n\r\n"), 0, 5);
}, testContext))
{
using (var connection = server.CreateConnection())
{
await connection.Send(
"GET / HTTP/1.1",
"Host: ",
"",
"");
await connection.Receive(
"HTTP/1.1 200 OK",
$"Date: {testContext.DateHeaderValue}",
"Transfer-Encoding: chunked",
"",
"6",
"Hello ",
"6",
"World!",
"0",
"",
"");
}
}
}
}
}