public async Task NoErrorsLoggedWhenServerEndsConnectionBeforeClient(ServiceContext testContext)
{
var testLogger = new TestApplicationErrorLogger();
testContext.Log = new KestrelTrace(testLogger);
using (var server = new TestServer(async httpContext =>
{
var response = httpContext.Response;
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.Send(
"GET / HTTP/1.0",
"",
"");
await connection.ReceiveForcedEnd(
"HTTP/1.0 200 OK",
"Content-Length: 11",
"",
"Hello World");
}
}
Assert.Equal(0, testLogger.TotalErrorsLogged);
}
public async Task ConnectionClosedIfExeptionThrownAfterZeroLengthWrite(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);
throw new Exception();
}, testContext))
{
using (var connection = new TestConnection(server.Port))
{
// SendEnd is not called, so it isn't the client closing the connection.
await connection.Send(
"GET / HTTP/1.1",
"",
"");
// Headers are sent before connection is closed, but chunked body terminator isn't sent
await connection.ReceiveForcedEnd(
"HTTP/1.1 200 OK",
"Transfer-Encoding: chunked",
"",
"");
}
}
}
public async Task ConnectionClosedIfExeptionThrownAfterWrite(ServiceContext testContext)
{
using (var server = new TestServer(async httpContext =>
{
var response = httpContext.Response;
response.Headers.Clear();
await response.Body.WriteAsync(Encoding.ASCII.GetBytes("Hello World!"), 0, 12);
throw new Exception();
}, testContext))
{
using (var connection = new TestConnection(server.Port))
{
// SendEnd is not called, so it isn't the client closing the connection.
// client closing the connection.
await connection.Send(
"GET / HTTP/1.1",
"",
"");
await connection.ReceiveForcedEnd(
"HTTP/1.1 200 OK",
"Transfer-Encoding: chunked",
"",
"c",
"Hello World!",
"");
}
}
}
public async Task ThrowingInOnCompletedIsLoggedAndClosesConnection(ServiceContext testContext)
{
var onCompletedCalled1 = false;
var onCompletedCalled2 = false;
var testLogger = new TestApplicationErrorLogger();
testContext.Log = new KestrelTrace(testLogger);
using (var server = new TestServer(async httpContext =>
{
var response = httpContext.Response;
response.OnCompleted(_ =>
{
onCompletedCalled1 = true;
throw new Exception();
}, null);
response.OnCompleted(_ =>
{
onCompletedCalled2 = true;
throw new Exception();
}, null);
response.Headers.Clear();
response.Headers["Content-Length"] = new[] { "11" };
await response.Body.WriteAsync(Encoding.ASCII.GetBytes("Hello World"), 0, 11);
}, testContext))
{
using (var connection = new TestConnection(server.Port))
{
await connection.Send(
"GET / HTTP/1.1",
"",
"");
await connection.ReceiveForcedEnd(
"HTTP/1.1 200 OK",
"Content-Length: 11",
"",
"Hello World");
}
// All OnCompleted callbacks should be called even if they throw.
Assert.Equal(2, testLogger.ApplicationErrorsLogged);
Assert.True(onCompletedCalled1);
Assert.True(onCompletedCalled2);
}
}
private async Task ReceiveBadRequestResponse(TestConnection connection)
{
await connection.Receive(
"HTTP/1.1 400 Bad Request",
"");
await connection.Receive(
"Connection: close",
"");
await connection.ReceiveForcedEnd(
$"Date: {connection.Server.Context.DateHeaderValue}",
"Content-Length: 0",
"",
"");
}
public async Task InvalidSizedDataResultsIn400(ServiceContext testContext)
{
using (var server = new TestServer(async httpContext =>
{
var response = httpContext.Response;
var request = httpContext.Request;
var buffer = new byte[200];
while (await request.Body.ReadAsync(buffer, 0, buffer.Length) != 0)
{
;// read to end
}
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.Send(
"POST / HTTP/1.1",
"Transfer-Encoding: chunked",
"",
"C",
"HelloChunkedIn");
await connection.Receive(
"HTTP/1.1 400 Bad Request",
"");
await connection.ReceiveStartsWith("Date:");
await connection.ReceiveForcedEnd(
"Content-Length: 0",
"Server: Kestrel",
"",
"");
}
}
}
public async Task ThrowingAfterPartialWriteKillsConnection(ServiceContext 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.Clear();
response.Headers["Content-Length"] = new[] { "11" };
await response.Body.WriteAsync(Encoding.ASCII.GetBytes("Hello"), 0, 5);
throw new Exception();
}, testContext))
{
using (var connection = new TestConnection(server.Port))
{
await connection.Send(
"GET / HTTP/1.1",
"",
"");
await connection.ReceiveForcedEnd(
"HTTP/1.1 200 OK",
"Content-Length: 11",
"",
"Hello");
Assert.True(onStartingCalled);
Assert.Equal(1, testLogger.ApplicationErrorsLogged);
}
}
}
public async Task RequestsCanBeAbortedMidRead(ServiceContext 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.Clear();
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 = new TestConnection(server.Port))
{
// 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",
"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);
}
