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
|
import httplib
import StringIO
import sys
from unittest import TestCase
from test import test_support
class FakeSocket:
def __init__(self, text, fileclass=StringIO.StringIO):
self.text = text
self.fileclass = fileclass
def sendall(self, data):
self.data = data
def makefile(self, mode, bufsize=None):
if mode != 'r' and mode != 'rb':
raise httplib.UnimplementedFileMode()
return self.fileclass(self.text)
class NoEOFStringIO(StringIO.StringIO):
"""Like StringIO, but raises AssertionError on EOF.
This is used below to test that httplib doesn't try to read
more from the underlying file than it should.
"""
def read(self, n=-1):
data = StringIO.StringIO.read(self, n)
if data == '':
raise AssertionError('caller tried to read past EOF')
return data
def readline(self, length=None):
data = StringIO.StringIO.readline(self, length)
if data == '':
raise AssertionError('caller tried to read past EOF')
return data
class HeaderTests(TestCase):
def test_auto_headers(self):
# Some headers are added automatically, but should not be added by
# .request() if they are explicitly set.
import httplib
class HeaderCountingBuffer(list):
def __init__(self):
self.count = {}
def append(self, item):
kv = item.split(':')
if len(kv) > 1:
# item is a 'Key: Value' header string
lcKey = kv[0].lower()
self.count.setdefault(lcKey, 0)
self.count[lcKey] += 1
list.append(self, item)
for explicit_header in True, False:
for header in 'Content-length', 'Host', 'Accept-encoding':
conn = httplib.HTTPConnection('example.com')
conn.sock = FakeSocket('blahblahblah')
conn._buffer = HeaderCountingBuffer()
body = 'spamspamspam'
headers = {}
if explicit_header:
headers[header] = str(len(body))
conn.request('POST', '/', body, headers)
self.assertEqual(conn._buffer.count[header.lower()], 1)
# Collect output to a buffer so that we don't have to cope with line-ending
# issues across platforms. Specifically, the headers will have \r\n pairs
# and some platforms will strip them from the output file.
def test():
buf = StringIO.StringIO()
_stdout = sys.stdout
try:
sys.stdout = buf
_test()
finally:
sys.stdout = _stdout
# print individual lines with endings stripped
s = buf.getvalue()
for line in s.split("\n"):
print line.strip()
def _test():
# Test HTTP status lines
body = "HTTP/1.1 200 Ok\r\n\r\nText"
sock = FakeSocket(body)
resp = httplib.HTTPResponse(sock, 1)
resp.begin()
print resp.read()
resp.close()
body = "HTTP/1.1 400.100 Not Ok\r\n\r\nText"
sock = FakeSocket(body)
resp = httplib.HTTPResponse(sock, 1)
try:
resp.begin()
except httplib.BadStatusLine:
print "BadStatusLine raised as expected"
else:
print "Expect BadStatusLine"
# Check invalid host_port
for hp in ("www.python.org:abc", "www.python.org:"):
try:
h = httplib.HTTP(hp)
except httplib.InvalidURL:
print "InvalidURL raised as expected"
else:
print "Expect InvalidURL"
# test response with multiple message headers with the same field name.
text = ('HTTP/1.1 200 OK\r\n'
'Set-Cookie: Customer="WILE_E_COYOTE"; Version="1"; Path="/acme"\r\n'
'Set-Cookie: Part_Number="Rocket_Launcher_0001"; Version="1";'
' Path="/acme"\r\n'
'\r\n'
'No body\r\n')
hdr = ('Customer="WILE_E_COYOTE"; Version="1"; Path="/acme"'
', '
'Part_Number="Rocket_Launcher_0001"; Version="1"; Path="/acme"')
s = FakeSocket(text)
r = httplib.HTTPResponse(s, 1)
r.begin()
cookies = r.getheader("Set-Cookie")
if cookies != hdr:
raise AssertionError, "multiple headers not combined properly"
# Test that the library doesn't attempt to read any data
# from a HEAD request. (Tickles SF bug #622042.)
sock = FakeSocket(
'HTTP/1.1 200 OK\r\n'
'Content-Length: 14432\r\n'
'\r\n',
NoEOFStringIO)
resp = httplib.HTTPResponse(sock, 1, method="HEAD")
resp.begin()
if resp.read() != "":
raise AssertionError, "Did not expect response from HEAD request"
resp.close()
def test_main(verbose=None):
tests = [HeaderTests,]
test_support.run_unittest(*tests)
test()
|
