from __future__ import absolute_import, division, print_function, with_statement
import collections
from contextlib import closing
import errno
import gzip
import logging
import os
import re
import socket
import ssl
import sys
from tornado.escape import to_unicode
from tornado import gen
from tornado.httpclient import AsyncHTTPClient
from tornado.httputil import HTTPHeaders, ResponseStartLine
from tornado.ioloop import IOLoop
from tornado.log import gen_log
from tornado.netutil import Resolver, bind_sockets
from tornado.simple_httpclient import SimpleAsyncHTTPClient
from tornado.test.httpclient_test import ChunkHandler, CountdownHandler, HelloWorldHandler, RedirectHandler
from tornado.test import httpclient_test
from tornado.testing import AsyncHTTPTestCase, AsyncHTTPSTestCase, AsyncTestCase, ExpectLog
from tornado.test.util import skipOnTravis, skipIfNoIPv6, refusing_port, unittest, skipBefore35, exec_test
from tornado.web import RequestHandler, Application, asynchronous, url, stream_request_body
class SimpleHTTPClientCommonTestCase(httpclient_test.HTTPClientCommonTestCase):
def get_http_client(self):
client = SimpleAsyncHTTPClient(io_loop=self.io_loop,
force_instance=True)
self.assertTrue(isinstance(client, SimpleAsyncHTTPClient))
return client
class TriggerHandler(RequestHandler):
def initialize(self, queue, wake_callback):
self.queue = queue
self.wake_callback = wake_callback
@asynchronous
def get(self):
logging.debug("queuing trigger")
self.queue.append(self.finish)
if self.get_argument("wake", "true") == "true":
self.wake_callback()
class HangHandler(RequestHandler):
@asynchronous
def get(self):
pass
class ContentLengthHandler(RequestHandler):
def get(self):
self.set_header("Content-Length", self.get_argument("value"))
self.write("ok")
class HeadHandler(RequestHandler):
def head(self):
self.set_header("Content-Length", "7")
class OptionsHandler(RequestHandler):
def options(self):
self.set_header("Access-Control-Allow-Origin", "*")
self.write("ok")
class NoContentHandler(RequestHandler):
def get(self):
if self.get_argument("error", None):
self.set_header("Content-Length", "5")
self.write("hello")
self.set_status(204)
class SeeOtherPostHandler(RequestHandler):
def post(self):
redirect_code = int(self.request.body)
assert redirect_code in (302, 303), "unexpected body %r" % self.request.body
self.set_header("Location", "/see_other_get")
self.set_status(redirect_code)
class SeeOtherGetHandler(RequestHandler):
def get(self):
if self.request.body:
raise Exception("unexpected body %r" % self.request.body)
self.write("ok")
class HostEchoHandler(RequestHandler):
def get(self):
self.write(self.request.headers["Host"])
class NoContentLengthHandler(RequestHandler):
@asynchronous
def get(self):
if self.request.version.startswith('HTTP/1'):
# Emulate the old HTTP/1.0 behavior of returning a body with no
# content-length. Tornado handles content-length at the framework
# level so we have to go around it.
stream = self.request.connection.detach()
stream.write(b"HTTP/1.0 200 OK\r\n\r\n"
b"hello")
stream.close()
else:
self.finish('HTTP/1 required')
class EchoPostHandler(RequestHandler):
def post(self):
self.write(self.request.body)
@stream_request_body
class RespondInPrepareHandler(RequestHandler):
def prepare(self):
self.set_status(403)
self.finish("forbidden")
class SimpleHTTPClientTestMixin(object):
def get_app(self):
# callable objects to finish pending /trigger requests
self.triggers = collections.deque()
return Application([
url("/trigger", TriggerHandler, dict(queue=self.triggers,
wake_callback=self.stop)),
url("/chunk", ChunkHandler),
url("/countdown/([0-9]+)", CountdownHandler, name="countdown"),
url("/hang", HangHandler),
url("/hello", HelloWorldHandler),
url("/content_length", ContentLengthHandler),
url("/head", HeadHandler),
url("/options", OptionsHandler),
url("/no_content", NoContentHandler),
url("/see_other_post", SeeOtherPostHandler),
url("/see_other_get", SeeOtherGetHandler),
url("/host_echo", HostEchoHandler),
url("/no_content_length", NoContentLengthHandler),
url("/echo_post", EchoPostHandler),
url("/respond_in_prepare", RespondInPrepareHandler),
url("/redirect", RedirectHandler),
], gzip=True)
def test_singleton(self):
# Class "constructor" reuses objects on the same IOLoop
self.assertTrue(SimpleAsyncHTTPClient(self.io_loop) is
SimpleAsyncHTTPClient(self.io_loop))
# unless force_instance is used
self.assertTrue(SimpleAsyncHTTPClient(self.io_loop) is not
SimpleAsyncHTTPClient(self.io_loop,
force_instance=True))
# different IOLoops use different objects
with closing(IOLoop()) as io_loop2:
self.assertTrue(SimpleAsyncHTTPClient(self.io_loop) is not
SimpleAsyncHTTPClient(io_loop2))
def test_connection_limit(self):
with closing(self.create_client(max_clients=2)) as client:
self.assertEqual(client.max_clients, 2)
seen = []
# Send 4 requests. Two can be sent immediately, while the others
# will be queued
for i in range(4):
client.fetch(self.get_url("/trigger"),
lambda response, i=i: (seen.append(i), self.stop()))
self.wait(condition=lambda: len(self.triggers) == 2)
self.assertEqual(len(client.queue), 2)
# Finish the first two requests and let the next two through
self.triggers.popleft()()
self.triggers.popleft()()
self.wait(condition=lambda: (len(self.triggers) == 2 and
len(seen) == 2))
self.assertEqual(set(seen), set([0, 1]))
self.assertEqual(len(client.queue), 0)
# Finish all the pending requests
self.triggers.popleft()()
self.triggers.popleft()()
self.wait(condition=lambda: len(seen) == 4)
self.assertEqual(set(seen), set([0, 1, 2, 3]))
self.assertEqual(len(self.triggers), 0)
def test_redirect_connection_limit(self):
# following redirects should not consume additional connections
with closing(self.create_client(max_clients=1)) as client:
client.fetch(self.get_url('/countdown/3'), self.stop,
max_redirects=3)
response = self.wait()
response.rethrow()
def test_gzip(self):
# All the tests in this file should be using gzip, but this test
# ensures that it is in fact getting compressed.
# Setting Accept-Encoding manually bypasses the client's
# decompression so we can see the raw data.
response = self.fetch("/chunk", use_gzip=False,
headers={"Accept-Encoding": "gzip"})
self.assertEqual(response.headers["Content-Encoding"], "gzip")
self.assertNotEqual(response.body, b"asdfqwer")
# Our test data gets bigger when gzipped. Oops. :)
# Chunked encoding bypasses the MIN_LENGTH check.
self.assertEqual(len(response.body), 34)
f = gzip.GzipFile(mode="r", fileobj=response.buffer)
self.assertEqual(f.read(), b"asdfqwer")
def test_max_redirects(self):
response = self.fetch("/countdown/5", max_redirects=3)
self.assertEqual(302, response.code)
# We requested 5, followed three redirects for 4, 3, 2, then the last
# unfollowed redirect is to 1.
self.assertTrue(response.request.url.endswith("/countdown/5"))
self.assertTrue(response.effective_url.endswith("/countdown/2"))
self.assertTrue(response.headers["Location"].endswith("/countdown/1"))
def test_header_reuse(self):
# Apps may reuse a headers object if they are only passing in constant
# headers like user-agent. The header object should not be modified.
headers = HTTPHeaders({'User-Agent': 'Foo'})
self.fetch("/hello", headers=headers)
self.assertEqual(list(headers.get_all()), [('User-Agent', 'Foo')])
def test_see_other_redirect(self):
for code in (302, 303):
response = self.fetch("/see_other_post", method="POST", body="%d" % code)
self.assertEqual(200, response.code)
self.assertTrue(response.request.url.endswith("/see_other_post"))
self.assertTrue(response.effective_url.endswith("/see_other_get"))
# request is the original request, is a POST still
self.assertEqual("POST", response.request.method)
@skipOnTravis
def test_request_timeout(self):
timeout = 0.1
timeout_min, timeout_max = 0.099, 0.15
if os.name == 'nt':
timeout = 0.5
timeout_min, timeout_max = 0.4, 0.6
response = self.fetch('/trigger?wake=false', request_timeout=timeout)
self.assertEqual(response.code, 599)
self.assertTrue(timeout_min < response.request_time < timeout_max,
response.request_time)
self.assertEqual(str(response.error), "HTTP 599: Timeout")
# trigger the hanging request to let it clean up after itself
self.triggers.popleft()()
@skipIfNoIPv6
def test_ipv6(self):
try:
[sock] = bind_sockets(None, '::1', family=socket.AF_INET6)
port = sock.getsockname()[1]
self.http_server.add_socket(sock)
except socket.gaierror as e:
if e.args[0] == socket.EAI_ADDRFAMILY:
# python supports ipv6, but it's not configured on the network
# interface, so skip this test.
return
raise
url = '%s://[::1]:%d/hello' % (self.get_protocol(), port)
# ipv6 is currently enabled by default but can be disabled
self.http_client.fetch(url, self.stop, allow_ipv6=False)
response = self.wait()
self.assertEqual(response.code, 599)
self.http_client.fetch(url, self.stop)
response = self.wait()
self.assertEqual(response.body, b"Hello world!")
def xtest_multiple_content_length_accepted(self):
response = self.fetch("/content_length?value=2,2")
self.assertEqual(response.body, b"ok")
response = self.fetch("/content_length?value=2,%202,2")
self.assertEqual(response.body, b"ok")
response = self.fetch("/content_length?value=2,4")
self.assertEqual(response.code, 599)
response = self.fetch("/content_length?value=2,%202,3")
self.assertEqual(response.code, 599)
def test_head_request(self):
response = self.fetch("/head", method="HEAD")
self.assertEqual(response.code, 200)
self.assertEqual(response.headers["content-length"], "7")
self.assertFalse(response.body)
def test_options_request(self):
response = self.fetch("/options", method="OPTIONS")
self.assertEqual(response.code, 200)
self.assertEqual(response.headers["content-length"], "2")
self.assertEqual(response.headers["access-control-allow-origin"], "*")
self.assertEqual(response.body, b"ok")
def test_no_content(self):
response = self.fetch("/no_content")
self.assertEqual(response.code, 204)
# 204 status doesn't need a content-length, but tornado will
# add a zero content-length anyway.
#
# A test without a content-length header is included below
# in HTTP204NoContentTestCase.
self.assertEqual(response.headers["Content-length"], "0")
# 204 status with non-zero content length is malformed
with ExpectLog(gen_log, "Malformed HTTP message"):
response = self.fetch("/no_content?error=1")
self.assertEqual(response.code, 599)
def test_host_header(self):
host_re = re.compile(b"^localhost:[0-9]+$")
response = self.fetch("/host_echo")
self.assertTrue(host_re.match(response.body))
url = self.get_url("/host_echo").replace("http://", "http://me:secret@")
self.http_client.fetch(url, self.stop)
response = self.wait()
self.assertTrue(host_re.match(response.body), response.body)
def test_connection_refused(self):
cleanup_func, port = refusing_port()
self.addCleanup(cleanup_func)
with ExpectLog(gen_log, ".*", required=False):
self.http_client.fetch("http://127.0.0.1:%d/" % port, self.stop)
response = self.wait()
self.assertEqual(599, response.code)
if sys.platform != 'cygwin':
# cygwin returns EPERM instead of ECONNREFUSED here
contains_errno = str(errno.ECONNREFUSED) in str(response.error)
if not contains_errno and hasattr(errno, "WSAECONNREFUSED"):
contains_errno = str(errno.WSAECONNREFUSED) in str(response.error)
self.assertTrue(contains_errno, response.error)
# This is usually "Connection refused".
# On windows, strerror is broken and returns "Unknown error".
expected_message = os.strerror(errno.ECONNREFUSED)
self.assertTrue(expected_message in str(response.error),
response.error)
def test_queue_timeout(self):
with closing(self.create_client(max_clients=1)) as client:
client.fetch(self.get_url('/trigger'), self.stop,
request_timeout=10)
# Wait for the trigger request to block, not complete.
self.wait()
client.fetch(self.get_url('/hello'), self.stop,
connect_timeout=0.1)
response = self.wait()
self.assertEqual(response.code, 599)
self.assertTrue(response.request_time < 1, response.request_time)
self.assertEqual(str(response.error), "HTTP 599: Timeout")
self.triggers.popleft()()
self.wait()
def test_no_content_length(self):
response = self.fetch("/no_content_length")
if response.body == b"HTTP/1 required":
self.skipTest("requires HTTP/1.x")
else:
self.assertEquals(b"hello", response.body)
def sync_body_producer(self, write):
write(b'1234')
write(b'5678')
@gen.coroutine
def async_body_producer(self, write):
yield write(b'1234')
yield gen.Task(IOLoop.current().add_callback)
yield write(b'5678')
def test_sync_body_producer_chunked(self):
response = self.fetch("/echo_post", method="POST",
body_producer=self.sync_body_producer)
response.rethrow()
self.assertEqual(response.body, b"12345678")
def test_sync_body_producer_content_length(self):
response = self.fetch("/echo_post", method="POST",
body_producer=self.sync_body_producer,
headers={'Content-Length': '8'})
response.rethrow()
self.assertEqual(response.body, b"12345678")
def test_async_body_producer_chunked(self):
response = self.fetch("/echo_post", method="POST",
body_producer=self.async_body_producer)
response.rethrow()
self.assertEqual(response.body, b"12345678")
def test_async_body_producer_content_length(self):
response = self.fetch("/echo_post", method="POST",
body_producer=self.async_body_producer,
headers={'Content-Length': '8'})
response.rethrow()
self.assertEqual(response.body, b"12345678")
@skipBefore35
def test_native_body_producer_chunked(self):
namespace = exec_test(globals(), locals(), """
async def body_producer(write):
await write(b'1234')
await gen.Task(IOLoop.current().add_callback)
await write(b'5678')
""")
response = self.fetch("/echo_post", method="POST",
body_producer=namespace["body_producer"])
response.rethrow()
self.assertEqual(response.body, b"12345678")
@skipBefore35
def test_native_body_producer_content_length(self):
namespace = exec_test(globals(), locals(), """
async def body_producer(write):
await write(b'1234')
await gen.Task(IOLoop.current().add_callback)
await write(b'5678')
""")
response = self.fetch("/echo_post", method="POST",
body_producer=namespace["body_producer"],
headers={'Content-Length': '8'})
response.rethrow()
self.assertEqual(response.body, b"12345678")
def test_100_continue(self):
response = self.fetch("/echo_post", method="POST",
body=b"1234",
expect_100_continue=True)
self.assertEqual(response.body, b"1234")
def test_100_continue_early_response(self):
def body_producer(write):
raise Exception("should not be called")
response = self.fetch("/respond_in_prepare", method="POST",
body_producer=body_producer,
expect_100_continue=True)
self.assertEqual(response.code, 403)
def test_streaming_follow_redirects(self):
# When following redirects, header and streaming callbacks
# should only be called for the final result.
# TODO(bdarnell): this test belongs in httpclient_test instead of
# simple_httpclient_test, but it fails with the version of libcurl
# available on travis-ci. Move it when that has been upgraded
# or we have a better framework to skip tests based on curl version.
headers = []
chunks = []
self.fetch("/redirect?url=/hello",
header_callback=headers.append,
streaming_callback=chunks.append)
chunks = list(map(to_unicode, chunks))
self.assertEqual(chunks, ['Hello world!'])
# Make sure we only got one set of headers.
num_start_lines = len([h for h in headers if h.startswith("HTTP/")])
self.assertEqual(num_start_lines, 1)
class SimpleHTTPClientTestCase(SimpleHTTPClientTestMixin, AsyncHTTPTestCase):
def setUp(self):
super(SimpleHTTPClientTestCase, self).setUp()
self.http_client = self.create_client()
def create_client(self, **kwargs):
return SimpleAsyncHTTPClient(self.io_loop, force_instance=True,
**kwargs)
class SimpleHTTPSClientTestCase(SimpleHTTPClientTestMixin, AsyncHTTPSTestCase):
def setUp(self):
super(SimpleHTTPSClientTestCase, self).setUp()
self.http_client = self.create_client()
def create_client(self, **kwargs):
return SimpleAsyncHTTPClient(self.io_loop, force_instance=True,
defaults=dict(validate_cert=False),
**kwargs)
def test_ssl_options(self):
resp = self.fetch("/hello", ssl_options={})
self.assertEqual(resp.body, b"Hello world!")
@unittest.skipIf(not hasattr(ssl, 'SSLContext'),
'ssl.SSLContext not present')
def test_ssl_context(self):
resp = self.fetch("/hello",
ssl_options=ssl.SSLContext(ssl.PROTOCOL_SSLv23))
self.assertEqual(resp.body, b"Hello world!")
def test_ssl_options_handshake_fail(self):
with ExpectLog(gen_log, "SSL Error|Uncaught exception",
required=False):
resp = self.fetch(
"/hello", ssl_options=dict(cert_reqs=ssl.CERT_REQUIRED))
self.assertRaises(ssl.SSLError, resp.rethrow)
@unittest.skipIf(not hasattr(ssl, 'SSLContext'),
'ssl.SSLContext not present')
def test_ssl_context_handshake_fail(self):
with ExpectLog(gen_log, "SSL Error|Uncaught exception"):
ctx = ssl.SSLContext(ssl.PROTOCOL_SSLv23)
ctx.verify_mode = ssl.CERT_REQUIRED
resp = self.fetch("/hello", ssl_options=ctx)
self.assertRaises(ssl.SSLError, resp.rethrow)
def test_error_logging(self):
# No stack traces are logged for SSL errors (in this case,
# failure to validate the testing self-signed cert).
# The SSLError is exposed through ssl.SSLError.
with ExpectLog(gen_log, '.*') as expect_log:
response = self.fetch("/", validate_cert=True)
self.assertEqual(response.code, 599)
self.assertIsInstance(response.error, ssl.SSLError)
self.assertFalse(expect_log.logged_stack)
class CreateAsyncHTTPClientTestCase(AsyncTestCase):
def setUp(self):
super(CreateAsyncHTTPClientTestCase, self).setUp()
self.saved = AsyncHTTPClient._save_configuration()
def tearDown(self):
AsyncHTTPClient._restore_configuration(self.saved)
super(CreateAsyncHTTPClientTestCase, self).tearDown()
def test_max_clients(self):
AsyncHTTPClient.configure(SimpleAsyncHTTPClient)
with closing(AsyncHTTPClient(
self.io_loop, force_instance=True)) as client:
self.assertEqual(client.max_clients, 10)
with closing(AsyncHTTPClient(
self.io_loop, max_clients=11, force_instance=True)) as client:
self.assertEqual(client.max_clients, 11)
# Now configure max_clients statically and try overriding it
# with each way max_clients can be passed
AsyncHTTPClient.configure(SimpleAsyncHTTPClient, max_clients=12)
with closing(AsyncHTTPClient(
self.io_loop, force_instance=True)) as client:
self.assertEqual(client.max_clients, 12)
with closing(AsyncHTTPClient(
self.io_loop, max_clients=13, force_instance=True)) as client:
self.assertEqual(client.max_clients, 13)
with closing(AsyncHTTPClient(
self.io_loop, max_clients=14, force_instance=True)) as client:
self.assertEqual(client.max_clients, 14)
class HTTP100ContinueTestCase(AsyncHTTPTestCase):
def respond_100(self, request):
self.http1 = request.version.startswith('HTTP/1.')
if not self.http1:
request.connection.write_headers(ResponseStartLine('', 200, 'OK'),
HTTPHeaders())
request.connection.finish()
return
self.request = request
self.request.connection.stream.write(
b"HTTP/1.1 100 CONTINUE\r\n\r\n",
self.respond_200)
def respond_200(self):
self.request.connection.stream.write(
b"HTTP/1.1 200 OK\r\nContent-Length: 1\r\n\r\nA",
self.request.connection.stream.close)
def get_app(self):
# Not a full Application, but works as an HTTPServer callback
return self.respond_100
def test_100_continue(self):
res = self.fetch('/')
if not self.http1:
self.skipTest("requires HTTP/1.x")
self.assertEqual(res.body, b'A')
class HTTP204NoContentTestCase(AsyncHTTPTestCase):
def respond_204(self, request):
self.http1 = request.version.startswith('HTTP/1.')
if not self.http1:
# Close the request cleanly in HTTP/2; it will be skipped anyway.
request.connection.write_headers(ResponseStartLine('', 200, 'OK'),
HTTPHeaders())
request.connection.finish()
return
# A 204 response never has a body, even if doesn't have a content-length
# (which would otherwise mean read-until-close). Tornado always
# sends a content-length, so we simulate here a server that sends
# no content length and does not close the connection.
#
# Tests of a 204 response with a Content-Length header are included
# in SimpleHTTPClientTestMixin.
stream = request.connection.detach()
stream.write(
b"HTTP/1.1 204 No content\r\n\r\n")
stream.close()
def get_app(self):
return self.respond_204
def test_204_no_content(self):
resp = self.fetch('/')
if not self.http1:
self.skipTest("requires HTTP/1.x")
self.assertEqual(resp.code, 204)
self.assertEqual(resp.body, b'')
class HostnameMappingTestCase(AsyncHTTPTestCase):
def setUp(self):
super(HostnameMappingTestCase, self).setUp()
self.http_client = SimpleAsyncHTTPClient(
self.io_loop,
hostname_mapping={
'www.example.com': '127.0.0.1',
('foo.example.com', 8000): ('127.0.0.1', self.get_http_port()),
})
def get_app(self):
return Application([url("/hello", HelloWorldHandler), ])
def test_hostname_mapping(self):
self.http_client.fetch(
'http://www.example.com:%d/hello' % self.get_http_port(), self.stop)
response = self.wait()
response.rethrow()
self.assertEqual(response.body, b'Hello world!')
def test_port_mapping(self):
self.http_client.fetch('http://foo.example.com:8000/hello', self.stop)
response = self.wait()
response.rethrow()
self.assertEqual(response.body, b'Hello world!')
class ResolveTimeoutTestCase(AsyncHTTPTestCase):
def setUp(self):
# Dummy Resolver subclass that never invokes its callback.
class BadResolver(Resolver):
def resolve(self, *args, **kwargs):
pass
super(ResolveTimeoutTestCase, self).setUp()
self.http_client = SimpleAsyncHTTPClient(
self.io_loop,
resolver=BadResolver())
def get_app(self):
return Application([url("/hello", HelloWorldHandler), ])
def test_resolve_timeout(self):
response = self.fetch('/hello', connect_timeout=0.1)
self.assertEqual(response.code, 599)
class MaxHeaderSizeTest(AsyncHTTPTestCase):
def get_app(self):
class SmallHeaders(RequestHandler):
def get(self):
self.set_header("X-Filler", "a" * 100)
self.write("ok")
class LargeHeaders(RequestHandler):
def get(self):
self.set_header("X-Filler", "a" * 1000)
self.write("ok")
return Application([('/small', SmallHeaders),
('/large', LargeHeaders)])
def get_http_client(self):
return SimpleAsyncHTTPClient(io_loop=self.io_loop, max_header_size=1024)
def test_small_headers(self):
response = self.fetch('/small')
response.rethrow()
self.assertEqual(response.body, b'ok')
def test_large_headers(self):
with ExpectLog(gen_log, "Unsatisfiable read"):
response = self.fetch('/large')
self.assertEqual(response.code, 599)
class MaxBodySizeTest(AsyncHTTPTestCase):
def get_app(self):
class SmallBody(RequestHandler):
def get(self):
self.write("a" * 1024 * 64)
class LargeBody(RequestHandler):
def get(self):
self.write("a" * 1024 * 100)
return Application([('/small', SmallBody),
('/large', LargeBody)])
def get_http_client(self):
return SimpleAsyncHTTPClient(io_loop=self.io_loop, max_body_size=1024 * 64)
def test_small_body(self):
response = self.fetch('/small')
response.rethrow()
self.assertEqual(response.body, b'a' * 1024 * 64)
def test_large_body(self):
with ExpectLog(gen_log, "Malformed HTTP message from None: Content-Length too long"):
response = self.fetch('/large')
self.assertEqual(response.code, 599)
class MaxBufferSizeTest(AsyncHTTPTestCase):
def get_app(self):
class LargeBody(RequestHandler):
def get(self):
self.write("a" * 1024 * 100)
return Application([('/large', LargeBody)])
def get_http_client(self):
# 100KB body with 64KB buffer
return SimpleAsyncHTTPClient(io_loop=self.io_loop, max_body_size=1024 * 100, max_buffer_size=1024 * 64)
def test_large_body(self):
response = self.fetch('/large')
response.rethrow()
self.assertEqual(response.body, b'a' * 1024 * 100)
class ChunkedWithContentLengthTest(AsyncHTTPTestCase):
def get_app(self):
class ChunkedWithContentLength(RequestHandler):
def get(self):
# Add an invalid Transfer-Encoding to the response
self.set_header('Transfer-Encoding', 'chunked')
self.write("Hello world")
return Application([('/chunkwithcl', ChunkedWithContentLength)])
def get_http_client(self):
return SimpleAsyncHTTPClient()
def test_chunked_with_content_length(self):
# Make sure the invalid headers are detected
with ExpectLog(gen_log, ("Malformed HTTP message from None: Response "
"with both Transfer-Encoding and Content-Length")):
response = self.fetch('/chunkwithcl')
self.assertEqual(response.code, 599)
