1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
|
# 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 http
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 = http._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 http._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=http.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 = http.select.select
http.select.select = mockselect
self.orig_sslwrap = http.socketutil.wrap_socket
http.socketutil.wrap_socket = mocksslwrap
def tearDown(self):
socket.socket = self.orig_socket
http.select.select = self.orig_select
http.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
|
