httpclient: update to revision
892730fe7f46 of httpplus
# Copyright 2010, Google Inc.
# All rights reserved.
#
# Redistribution and use in source and binary forms, with or without
# modification, are permitted provided that the following conditions are
# met:
#
# * Redistributions of source code must retain the above copyright
# notice, this list of conditions and the following disclaimer.
# * Redistributions in binary form must reproduce the above
# copyright notice, this list of conditions and the following disclaimer
# in the documentation and/or other materials provided with the
# distribution.
# * Neither the name of Google Inc. nor the names of its
# contributors may be used to endorse or promote products derived from
# this software without specific prior written permission.
# THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
# "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
# LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
# A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
# OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
# SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
# LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
# DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
# THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
# (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
# OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
import difflib
import socket
import httpplus
class MockSocket(object):
"""Mock non-blocking socket object.
This is ONLY capable of mocking a nonblocking socket.
Attributes:
early_data: data to always send as soon as end of headers is seen
data: a list of strings to return on recv(), with the
assumption that the socket would block between each
string in the list.
read_wait_sentinel: data that must be written to the socket before
beginning the response.
close_on_empty: If true, close the socket when it runs out of data
for the client.
"""
def __init__(self, af, socktype, proto):
self.af = af
self.socktype = socktype
self.proto = proto
self.early_data = []
self.data = []
self.remote_closed = self.closed = False
self.close_on_empty = False
self.sent = ''
self.read_wait_sentinel = httpplus._END_HEADERS
def close(self):
self.closed = True
def connect(self, sa):
self.sa = sa
def setblocking(self, timeout):
assert timeout == 0
def recv(self, amt=-1):
if self.early_data:
datalist = self.early_data
elif not self.data:
return ''
else:
datalist = self.data
if amt == -1:
return datalist.pop(0)
data = datalist.pop(0)
if len(data) > amt:
datalist.insert(0, data[amt:])
if not self.data and not self.early_data and self.close_on_empty:
self.remote_closed = True
return data[:amt]
@property
def ready_for_read(self):
return ((self.early_data and httpplus._END_HEADERS in self.sent)
or (self.read_wait_sentinel in self.sent and self.data)
or self.closed or self.remote_closed)
def send(self, data):
# this is a horrible mock, but nothing needs us to raise the
# correct exception yet
assert not self.closed, 'attempted to write to a closed socket'
assert not self.remote_closed, ('attempted to write to a'
' socket closed by the server')
if len(data) > 8192:
data = data[:8192]
self.sent += data
return len(data)
def mockselect(r, w, x, timeout=0):
"""Simple mock for select()
"""
readable = filter(lambda s: s.ready_for_read, r)
return readable, w[:], []
class MockSSLSocket(object):
def __init__(self, sock):
self._sock = sock
self._fail_recv = True
def __getattr__(self, key):
return getattr(self._sock, key)
def __setattr__(self, key, value):
if key not in ('_sock', '_fail_recv'):
return setattr(self._sock, key, value)
return object.__setattr__(self, key, value)
def recv(self, amt=-1):
try:
if self._fail_recv:
raise socket.sslerror(socket.SSL_ERROR_WANT_READ)
return self._sock.recv(amt=amt)
finally:
self._fail_recv = not self._fail_recv
def mocksslwrap(sock, keyfile=None, certfile=None,
server_side=False, cert_reqs=httpplus.socketutil.CERT_NONE,
ssl_version=None, ca_certs=None,
do_handshake_on_connect=True,
suppress_ragged_eofs=True):
return MockSSLSocket(sock)
def mockgetaddrinfo(host, port, unused, streamtype):
assert unused == 0
assert streamtype == socket.SOCK_STREAM
if host.count('.') != 3:
host = '127.0.0.42'
return [(socket.AF_INET, socket.SOCK_STREAM, socket.IPPROTO_TCP, '',
(host, port))]
class HttpTestBase(object):
def setUp(self):
self.orig_socket = socket.socket
socket.socket = MockSocket
self.orig_getaddrinfo = socket.getaddrinfo
socket.getaddrinfo = mockgetaddrinfo
self.orig_select = httpplus.select.select
httpplus.select.select = mockselect
self.orig_sslwrap = httpplus.socketutil.wrap_socket
httpplus.socketutil.wrap_socket = mocksslwrap
def tearDown(self):
socket.socket = self.orig_socket
httpplus.select.select = self.orig_select
httpplus.socketutil.wrap_socket = self.orig_sslwrap
socket.getaddrinfo = self.orig_getaddrinfo
def assertStringEqual(self, l, r):
try:
self.assertEqual(l, r, ('failed string equality check, '
'see stdout for details'))
except:
add_nl = lambda li: map(lambda x: x + '\n', li)
print 'failed expectation:'
print ''.join(difflib.unified_diff(
add_nl(l.splitlines()), add_nl(r.splitlines()),
fromfile='expected', tofile='got'))
raise
def doPost(self, con, expect_body, body_to_send='This is some POST data'):
con.request('POST', '/', body=body_to_send,
expect_continue=True)
expected_req = ('POST / HTTP/1.1\r\n'
'Host: 1.2.3.4\r\n'
'content-length: %d\r\n'
'Expect: 100-Continue\r\n'
'accept-encoding: identity\r\n\r\n' %
len(body_to_send))
if expect_body:
expected_req += body_to_send
return expected_req
# no-check-code