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jellyfin-kodi/libraries/cherrypy/test/test_conn.py

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Update webservice with cherrypy Fix playback issues that was causing Kodi to hang up
2019-01-30 12:43:14 +00:00
"""Tests for TCP connection handling, including proper and timely close."""
import errno
import socket
import sys
import time
import six
from six.moves import urllib
from six.moves.http_client import BadStatusLine, HTTPConnection, NotConnected
import pytest
from cheroot.test import webtest
import cherrypy
from cherrypy._cpcompat import HTTPSConnection, ntob, tonative
from cherrypy.test import helper
timeout = 1
pov = 'pPeErRsSiIsStTeEnNcCeE oOfF vViIsSiIoOnN'
def setup_server():
def raise500():
raise cherrypy.HTTPError(500)
class Root:
@cherrypy.expose
def index(self):
return pov
page1 = index
page2 = index
page3 = index
@cherrypy.expose
def hello(self):
return 'Hello, world!'
@cherrypy.expose
def timeout(self, t):
return str(cherrypy.server.httpserver.timeout)
@cherrypy.expose
@cherrypy.config(**{'response.stream': True})
def stream(self, set_cl=False):
if set_cl:
cherrypy.response.headers['Content-Length'] = 10
def content():
for x in range(10):
yield str(x)
return content()
@cherrypy.expose
def error(self, code=500):
raise cherrypy.HTTPError(code)
@cherrypy.expose
def upload(self):
if not cherrypy.request.method == 'POST':
raise AssertionError("'POST' != request.method %r" %
cherrypy.request.method)
return "thanks for '%s'" % cherrypy.request.body.read()
@cherrypy.expose
def custom(self, response_code):
cherrypy.response.status = response_code
return 'Code = %s' % response_code
@cherrypy.expose
@cherrypy.config(**{'hooks.on_start_resource': raise500})
def err_before_read(self):
return 'ok'
@cherrypy.expose
def one_megabyte_of_a(self):
return ['a' * 1024] * 1024
@cherrypy.expose
# Turn off the encoding tool so it doens't collapse
# our response body and reclaculate the Content-Length.
@cherrypy.config(**{'tools.encode.on': False})
def custom_cl(self, body, cl):
cherrypy.response.headers['Content-Length'] = cl
if not isinstance(body, list):
body = [body]
newbody = []
for chunk in body:
if isinstance(chunk, six.text_type):
chunk = chunk.encode('ISO-8859-1')
newbody.append(chunk)
return newbody
cherrypy.tree.mount(Root())
cherrypy.config.update({
'server.max_request_body_size': 1001,
'server.socket_timeout': timeout,
})
class ConnectionCloseTests(helper.CPWebCase):
setup_server = staticmethod(setup_server)
def test_HTTP11(self):
if cherrypy.server.protocol_version != 'HTTP/1.1':
return self.skip()
self.PROTOCOL = 'HTTP/1.1'
self.persistent = True
# Make the first request and assert there's no "Connection: close".
self.getPage('/')
self.assertStatus('200 OK')
self.assertBody(pov)
self.assertNoHeader('Connection')
# Make another request on the same connection.
self.getPage('/page1')
self.assertStatus('200 OK')
self.assertBody(pov)
self.assertNoHeader('Connection')
# Test client-side close.
self.getPage('/page2', headers=[('Connection', 'close')])
self.assertStatus('200 OK')
self.assertBody(pov)
self.assertHeader('Connection', 'close')
# Make another request on the same connection, which should error.
self.assertRaises(NotConnected, self.getPage, '/')
def test_Streaming_no_len(self):
try:
self._streaming(set_cl=False)
finally:
try:
self.HTTP_CONN.close()
except (TypeError, AttributeError):
pass
def test_Streaming_with_len(self):
try:
self._streaming(set_cl=True)
finally:
try:
self.HTTP_CONN.close()
except (TypeError, AttributeError):
pass
def _streaming(self, set_cl):
if cherrypy.server.protocol_version == 'HTTP/1.1':
self.PROTOCOL = 'HTTP/1.1'
self.persistent = True
# Make the first request and assert there's no "Connection: close".
self.getPage('/')
self.assertStatus('200 OK')
self.assertBody(pov)
self.assertNoHeader('Connection')
# Make another, streamed request on the same connection.
if set_cl:
# When a Content-Length is provided, the content should stream
# without closing the connection.
self.getPage('/stream?set_cl=Yes')
self.assertHeader('Content-Length')
self.assertNoHeader('Connection', 'close')
self.assertNoHeader('Transfer-Encoding')
self.assertStatus('200 OK')
self.assertBody('0123456789')
else:
# When no Content-Length response header is provided,
# streamed output will either close the connection, or use
# chunked encoding, to determine transfer-length.
self.getPage('/stream')
self.assertNoHeader('Content-Length')
self.assertStatus('200 OK')
self.assertBody('0123456789')
chunked_response = False
for k, v in self.headers:
if k.lower() == 'transfer-encoding':
if str(v) == 'chunked':
chunked_response = True
if chunked_response:
self.assertNoHeader('Connection', 'close')
else:
self.assertHeader('Connection', 'close')
# Make another request on the same connection, which should
# error.
self.assertRaises(NotConnected, self.getPage, '/')
# Try HEAD. See
# https://github.com/cherrypy/cherrypy/issues/864.
self.getPage('/stream', method='HEAD')
self.assertStatus('200 OK')
self.assertBody('')
self.assertNoHeader('Transfer-Encoding')
else:
self.PROTOCOL = 'HTTP/1.0'
self.persistent = True
# Make the first request and assert Keep-Alive.
self.getPage('/', headers=[('Connection', 'Keep-Alive')])
self.assertStatus('200 OK')
self.assertBody(pov)
self.assertHeader('Connection', 'Keep-Alive')
# Make another, streamed request on the same connection.
if set_cl:
# When a Content-Length is provided, the content should
# stream without closing the connection.
self.getPage('/stream?set_cl=Yes',
headers=[('Connection', 'Keep-Alive')])
self.assertHeader('Content-Length')
self.assertHeader('Connection', 'Keep-Alive')
self.assertNoHeader('Transfer-Encoding')
self.assertStatus('200 OK')
self.assertBody('0123456789')
else:
# When a Content-Length is not provided,
# the server should close the connection.
self.getPage('/stream', headers=[('Connection', 'Keep-Alive')])
self.assertStatus('200 OK')
self.assertBody('0123456789')
self.assertNoHeader('Content-Length')
self.assertNoHeader('Connection', 'Keep-Alive')
self.assertNoHeader('Transfer-Encoding')
# Make another request on the same connection, which should
# error.
self.assertRaises(NotConnected, self.getPage, '/')
def test_HTTP10_KeepAlive(self):
self.PROTOCOL = 'HTTP/1.0'
if self.scheme == 'https':
self.HTTP_CONN = HTTPSConnection
else:
self.HTTP_CONN = HTTPConnection
# Test a normal HTTP/1.0 request.
self.getPage('/page2')
self.assertStatus('200 OK')
self.assertBody(pov)
# Apache, for example, may emit a Connection header even for HTTP/1.0
# self.assertNoHeader("Connection")
# Test a keep-alive HTTP/1.0 request.
self.persistent = True
self.getPage('/page3', headers=[('Connection', 'Keep-Alive')])
self.assertStatus('200 OK')
self.assertBody(pov)
self.assertHeader('Connection', 'Keep-Alive')
# Remove the keep-alive header again.
self.getPage('/page3')
self.assertStatus('200 OK')
self.assertBody(pov)
# Apache, for example, may emit a Connection header even for HTTP/1.0
# self.assertNoHeader("Connection")
class PipelineTests(helper.CPWebCase):
setup_server = staticmethod(setup_server)
def test_HTTP11_Timeout(self):
# If we timeout without sending any data,
# the server will close the conn with a 408.
if cherrypy.server.protocol_version != 'HTTP/1.1':
return self.skip()
self.PROTOCOL = 'HTTP/1.1'
# Connect but send nothing.
self.persistent = True
conn = self.HTTP_CONN
conn.auto_open = False
conn.connect()
# Wait for our socket timeout
time.sleep(timeout * 2)
# The request should have returned 408 already.
response = conn.response_class(conn.sock, method='GET')
response.begin()
self.assertEqual(response.status, 408)
conn.close()
# Connect but send half the headers only.
self.persistent = True
conn = self.HTTP_CONN
conn.auto_open = False
conn.connect()
conn.send(b'GET /hello HTTP/1.1')
conn.send(('Host: %s' % self.HOST).encode('ascii'))
# Wait for our socket timeout
time.sleep(timeout * 2)
# The conn should have already sent 408.
response = conn.response_class(conn.sock, method='GET')
response.begin()
self.assertEqual(response.status, 408)
conn.close()
def test_HTTP11_Timeout_after_request(self):
# If we timeout after at least one request has succeeded,
# the server will close the conn without 408.
if cherrypy.server.protocol_version != 'HTTP/1.1':
return self.skip()
self.PROTOCOL = 'HTTP/1.1'
# Make an initial request
self.persistent = True
conn = self.HTTP_CONN
conn.putrequest('GET', '/timeout?t=%s' % timeout, skip_host=True)
conn.putheader('Host', self.HOST)
conn.endheaders()
response = conn.response_class(conn.sock, method='GET')
response.begin()
self.assertEqual(response.status, 200)
self.body = response.read()
self.assertBody(str(timeout))
# Make a second request on the same socket
conn._output(b'GET /hello HTTP/1.1')
conn._output(ntob('Host: %s' % self.HOST, 'ascii'))
conn._send_output()
response = conn.response_class(conn.sock, method='GET')
response.begin()
self.assertEqual(response.status, 200)
self.body = response.read()
self.assertBody('Hello, world!')
# Wait for our socket timeout
time.sleep(timeout * 2)
# Make another request on the same socket, which should error
conn._output(b'GET /hello HTTP/1.1')
conn._output(ntob('Host: %s' % self.HOST, 'ascii'))
conn._send_output()
response = conn.response_class(conn.sock, method='GET')
try:
response.begin()
except Exception:
if not isinstance(sys.exc_info()[1],
(socket.error, BadStatusLine)):
self.fail("Writing to timed out socket didn't fail"
' as it should have: %s' % sys.exc_info()[1])
else:
if response.status != 408:
self.fail("Writing to timed out socket didn't fail"
' as it should have: %s' %
response.read())
conn.close()
# Make another request on a new socket, which should work
self.persistent = True
conn = self.HTTP_CONN
conn.putrequest('GET', '/', skip_host=True)
conn.putheader('Host', self.HOST)
conn.endheaders()
response = conn.response_class(conn.sock, method='GET')
response.begin()
self.assertEqual(response.status, 200)
self.body = response.read()
self.assertBody(pov)
# Make another request on the same socket,
# but timeout on the headers
conn.send(b'GET /hello HTTP/1.1')
# Wait for our socket timeout
time.sleep(timeout * 2)
response = conn.response_class(conn.sock, method='GET')
try:
response.begin()
except Exception:
if not isinstance(sys.exc_info()[1],
(socket.error, BadStatusLine)):
self.fail("Writing to timed out socket didn't fail"
' as it should have: %s' % sys.exc_info()[1])
else:
self.fail("Writing to timed out socket didn't fail"
' as it should have: %s' %
response.read())
conn.close()
# Retry the request on a new connection, which should work
self.persistent = True
conn = self.HTTP_CONN
conn.putrequest('GET', '/', skip_host=True)
conn.putheader('Host', self.HOST)
conn.endheaders()
response = conn.response_class(conn.sock, method='GET')
response.begin()
self.assertEqual(response.status, 200)
self.body = response.read()
self.assertBody(pov)
conn.close()
def test_HTTP11_pipelining(self):
if cherrypy.server.protocol_version != 'HTTP/1.1':
return self.skip()
self.PROTOCOL = 'HTTP/1.1'
# Test pipelining. httplib doesn't support this directly.
self.persistent = True
conn = self.HTTP_CONN
# Put request 1
conn.putrequest('GET', '/hello', skip_host=True)
conn.putheader('Host', self.HOST)
conn.endheaders()
for trial in range(5):
# Put next request
conn._output(b'GET /hello HTTP/1.1')
conn._output(ntob('Host: %s' % self.HOST, 'ascii'))
conn._send_output()
# Retrieve previous response
response = conn.response_class(conn.sock, method='GET')
# there is a bug in python3 regarding the buffering of
# ``conn.sock``. Until that bug get's fixed we will
# monkey patch the ``response`` instance.
# https://bugs.python.org/issue23377
if six.PY3:
response.fp = conn.sock.makefile('rb', 0)
response.begin()
body = response.read(13)
self.assertEqual(response.status, 200)
self.assertEqual(body, b'Hello, world!')
# Retrieve final response
response = conn.response_class(conn.sock, method='GET')
response.begin()
body = response.read()
self.assertEqual(response.status, 200)
self.assertEqual(body, b'Hello, world!')
conn.close()
def test_100_Continue(self):
if cherrypy.server.protocol_version != 'HTTP/1.1':
return self.skip()
self.PROTOCOL = 'HTTP/1.1'
self.persistent = True
conn = self.HTTP_CONN
# Try a page without an Expect request header first.
# Note that httplib's response.begin automatically ignores
# 100 Continue responses, so we must manually check for it.
try:
conn.putrequest('POST', '/upload', skip_host=True)
conn.putheader('Host', self.HOST)
conn.putheader('Content-Type', 'text/plain')
conn.putheader('Content-Length', '4')
conn.endheaders()
conn.send(ntob("d'oh"))
response = conn.response_class(conn.sock, method='POST')
version, status, reason = response._read_status()
self.assertNotEqual(status, 100)
finally:
conn.close()
# Now try a page with an Expect header...
try:
conn.connect()
conn.putrequest('POST', '/upload', skip_host=True)
conn.putheader('Host', self.HOST)
conn.putheader('Content-Type', 'text/plain')
conn.putheader('Content-Length', '17')
conn.putheader('Expect', '100-continue')
conn.endheaders()
response = conn.response_class(conn.sock, method='POST')
# ...assert and then skip the 100 response
version, status, reason = response._read_status()
self.assertEqual(status, 100)
while True:
line = response.fp.readline().strip()
if line:
self.fail(
'100 Continue should not output any headers. Got %r' %
line)
else:
break
# ...send the body
body = b'I am a small file'
conn.send(body)
# ...get the final response
response.begin()
self.status, self.headers, self.body = webtest.shb(response)
self.assertStatus(200)
self.assertBody("thanks for '%s'" % body)
finally:
conn.close()
class ConnectionTests(helper.CPWebCase):
setup_server = staticmethod(setup_server)
def test_readall_or_close(self):
if cherrypy.server.protocol_version != 'HTTP/1.1':
return self.skip()
self.PROTOCOL = 'HTTP/1.1'
if self.scheme == 'https':
self.HTTP_CONN = HTTPSConnection
else:
self.HTTP_CONN = HTTPConnection
# Test a max of 0 (the default) and then reset to what it was above.
old_max = cherrypy.server.max_request_body_size
for new_max in (0, old_max):
cherrypy.server.max_request_body_size = new_max
self.persistent = True
conn = self.HTTP_CONN
# Get a POST page with an error
conn.putrequest('POST', '/err_before_read', skip_host=True)
conn.putheader('Host', self.HOST)
conn.putheader('Content-Type', 'text/plain')
conn.putheader('Content-Length', '1000')
conn.putheader('Expect', '100-continue')
conn.endheaders()
response = conn.response_class(conn.sock, method='POST')
# ...assert and then skip the 100 response
version, status, reason = response._read_status()
self.assertEqual(status, 100)
while True:
skip = response.fp.readline().strip()
if not skip:
break
# ...send the body
conn.send(ntob('x' * 1000))
# ...get the final response
response.begin()
self.status, self.headers, self.body = webtest.shb(response)
self.assertStatus(500)
# Now try a working page with an Expect header...
conn._output(b'POST /upload HTTP/1.1')
conn._output(ntob('Host: %s' % self.HOST, 'ascii'))
conn._output(b'Content-Type: text/plain')
conn._output(b'Content-Length: 17')
conn._output(b'Expect: 100-continue')
conn._send_output()
response = conn.response_class(conn.sock, method='POST')
# ...assert and then skip the 100 response
version, status, reason = response._read_status()
self.assertEqual(status, 100)
while True:
skip = response.fp.readline().strip()
if not skip:
break
# ...send the body
body = b'I am a small file'
conn.send(body)
# ...get the final response
response.begin()
self.status, self.headers, self.body = webtest.shb(response)
self.assertStatus(200)
self.assertBody("thanks for '%s'" % body)
conn.close()
def test_No_Message_Body(self):
if cherrypy.server.protocol_version != 'HTTP/1.1':
return self.skip()
self.PROTOCOL = 'HTTP/1.1'
# Set our HTTP_CONN to an instance so it persists between requests.
self.persistent = True
# Make the first request and assert there's no "Connection: close".
self.getPage('/')
self.assertStatus('200 OK')
self.assertBody(pov)
self.assertNoHeader('Connection')
# Make a 204 request on the same connection.
self.getPage('/custom/204')
self.assertStatus(204)
self.assertNoHeader('Content-Length')
self.assertBody('')
self.assertNoHeader('Connection')
# Make a 304 request on the same connection.
self.getPage('/custom/304')
self.assertStatus(304)
self.assertNoHeader('Content-Length')
self.assertBody('')
self.assertNoHeader('Connection')
def test_Chunked_Encoding(self):
if cherrypy.server.protocol_version != 'HTTP/1.1':
return self.skip()
if (hasattr(self, 'harness') and
'modpython' in self.harness.__class__.__name__.lower()):
# mod_python forbids chunked encoding
return self.skip()
self.PROTOCOL = 'HTTP/1.1'
# Set our HTTP_CONN to an instance so it persists between requests.
self.persistent = True
conn = self.HTTP_CONN
# Try a normal chunked request (with extensions)
body = ntob('8;key=value\r\nxx\r\nxxxx\r\n5\r\nyyyyy\r\n0\r\n'
'Content-Type: application/json\r\n'
'\r\n')
conn.putrequest('POST', '/upload', skip_host=True)
conn.putheader('Host', self.HOST)
conn.putheader('Transfer-Encoding', 'chunked')
conn.putheader('Trailer', 'Content-Type')
# Note that this is somewhat malformed:
# we shouldn't be sending Content-Length.
# RFC 2616 says the server should ignore it.
conn.putheader('Content-Length', '3')
conn.endheaders()
conn.send(body)
response = conn.getresponse()
self.status, self.headers, self.body = webtest.shb(response)
self.assertStatus('200 OK')
self.assertBody("thanks for '%s'" % b'xx\r\nxxxxyyyyy')
# Try a chunked request that exceeds server.max_request_body_size.
# Note that the delimiters and trailer are included.
body = ntob('3e3\r\n' + ('x' * 995) + '\r\n0\r\n\r\n')
conn.putrequest('POST', '/upload', skip_host=True)
conn.putheader('Host', self.HOST)
conn.putheader('Transfer-Encoding', 'chunked')
conn.putheader('Content-Type', 'text/plain')
# Chunked requests don't need a content-length
# # conn.putheader("Content-Length", len(body))
conn.endheaders()
conn.send(body)
response = conn.getresponse()
self.status, self.headers, self.body = webtest.shb(response)
self.assertStatus(413)
conn.close()
def test_Content_Length_in(self):
# Try a non-chunked request where Content-Length exceeds
# server.max_request_body_size. Assert error before body send.
self.persistent = True
conn = self.HTTP_CONN
conn.putrequest('POST', '/upload', skip_host=True)
conn.putheader('Host', self.HOST)
conn.putheader('Content-Type', 'text/plain')
conn.putheader('Content-Length', '9999')
conn.endheaders()
response = conn.getresponse()
self.status, self.headers, self.body = webtest.shb(response)
self.assertStatus(413)
self.assertBody('The entity sent with the request exceeds '
'the maximum allowed bytes.')
conn.close()
def test_Content_Length_out_preheaders(self):
# Try a non-chunked response where Content-Length is less than
# the actual bytes in the response body.
self.persistent = True
conn = self.HTTP_CONN
conn.putrequest('GET', '/custom_cl?body=I+have+too+many+bytes&cl=5',
skip_host=True)
conn.putheader('Host', self.HOST)
conn.endheaders()
response = conn.getresponse()
self.status, self.headers, self.body = webtest.shb(response)
self.assertStatus(500)
self.assertBody(
'The requested resource returned more bytes than the '
'declared Content-Length.')
conn.close()
def test_Content_Length_out_postheaders(self):
# Try a non-chunked response where Content-Length is less than
# the actual bytes in the response body.
self.persistent = True
conn = self.HTTP_CONN
conn.putrequest(
'GET', '/custom_cl?body=I+too&body=+have+too+many&cl=5',
skip_host=True)
conn.putheader('Host', self.HOST)
conn.endheaders()
response = conn.getresponse()
self.status, self.headers, self.body = webtest.shb(response)
self.assertStatus(200)
self.assertBody('I too')
conn.close()
def test_598(self):
tmpl = '{scheme}://{host}:{port}/one_megabyte_of_a/'
url = tmpl.format(
scheme=self.scheme,
host=self.HOST,
port=self.PORT,
)
remote_data_conn = urllib.request.urlopen(url)
buf = remote_data_conn.read(512)
time.sleep(timeout * 0.6)
remaining = (1024 * 1024) - 512
while remaining:
data = remote_data_conn.read(remaining)
if not data:
break
else:
buf += data
remaining -= len(data)
self.assertEqual(len(buf), 1024 * 1024)
self.assertEqual(buf, ntob('a' * 1024 * 1024))
self.assertEqual(remaining, 0)
remote_data_conn.close()
def setup_upload_server():
class Root:
@cherrypy.expose
def upload(self):
if not cherrypy.request.method == 'POST':
raise AssertionError("'POST' != request.method %r" %
cherrypy.request.method)
return "thanks for '%s'" % tonative(cherrypy.request.body.read())
cherrypy.tree.mount(Root())
cherrypy.config.update({
'server.max_request_body_size': 1001,
'server.socket_timeout': 10,
'server.accepted_queue_size': 5,
'server.accepted_queue_timeout': 0.1,
})
reset_names = 'ECONNRESET', 'WSAECONNRESET'
socket_reset_errors = [
getattr(errno, name)
for name in reset_names
if hasattr(errno, name)
]
'reset error numbers available on this platform'
socket_reset_errors += [
# Python 3.5 raises an http.client.RemoteDisconnected
# with this message
'Remote end closed connection without response',
]
class LimitedRequestQueueTests(helper.CPWebCase):
setup_server = staticmethod(setup_upload_server)
@pytest.mark.xfail(reason='#1535')
def test_queue_full(self):
conns = []
overflow_conn = None
try:
# Make 15 initial requests and leave them open, which should use
# all of wsgiserver's WorkerThreads and fill its Queue.
for i in range(15):
conn = self.HTTP_CONN(self.HOST, self.PORT)
conn.putrequest('POST', '/upload', skip_host=True)
conn.putheader('Host', self.HOST)
conn.putheader('Content-Type', 'text/plain')
conn.putheader('Content-Length', '4')
conn.endheaders()
conns.append(conn)
# Now try a 16th conn, which should be closed by the
# server immediately.
overflow_conn = self.HTTP_CONN(self.HOST, self.PORT)
# Manually connect since httplib won't let us set a timeout
for res in socket.getaddrinfo(self.HOST, self.PORT, 0,
socket.SOCK_STREAM):
af, socktype, proto, canonname, sa = res
overflow_conn.sock = socket.socket(af, socktype, proto)
overflow_conn.sock.settimeout(5)
overflow_conn.sock.connect(sa)
break
overflow_conn.putrequest('GET', '/', skip_host=True)
overflow_conn.putheader('Host', self.HOST)
overflow_conn.endheaders()
response = overflow_conn.response_class(
overflow_conn.sock,
method='GET',
)
try:
response.begin()
except socket.error as exc:
if exc.args[0] in socket_reset_errors:
pass # Expected.
else:
tmpl = (
'Overflow conn did not get RST. '
'Got {exc.args!r} instead'
)
raise AssertionError(tmpl.format(**locals()))
except BadStatusLine:
# This is a special case in OS X. Linux and Windows will
# RST correctly.
assert sys.platform == 'darwin'
else:
raise AssertionError('Overflow conn did not get RST ')
finally:
for conn in conns:
conn.send(b'done')
response = conn.response_class(conn.sock, method='POST')
response.begin()
self.body = response.read()
self.assertBody("thanks for 'done'")
self.assertEqual(response.status, 200)
conn.close()
if overflow_conn:
overflow_conn.close()
class BadRequestTests(helper.CPWebCase):
setup_server = staticmethod(setup_server)
def test_No_CRLF(self):
self.persistent = True
conn = self.HTTP_CONN
conn.send(b'GET /hello HTTP/1.1\n\n')
response = conn.response_class(conn.sock, method='GET')
response.begin()
self.body = response.read()
self.assertBody('HTTP requires CRLF terminators')
conn.close()
conn.connect()
conn.send(b'GET /hello HTTP/1.1\r\n\n')
response = conn.response_class(conn.sock, method='GET')
response.begin()
self.body = response.read()
self.assertBody('HTTP requires CRLF terminators')
conn.close()
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