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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
self.data = ''
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)
class BasicTest(TestCase):
def test_status_lines(self):
# Test HTTP status lines
body = "HTTP/1.1 200 Ok\r\n\r\nText"
sock = FakeSocket(body)
resp = httplib.HTTPResponse(sock)
resp.begin()
self.assertEqual(resp.read(), 'Text')
resp.close()
body = "HTTP/1.1 400.100 Not Ok\r\n\r\nText"
sock = FakeSocket(body)
resp = httplib.HTTPResponse(sock)
self.assertRaises(httplib.BadStatusLine, resp.begin)
def test_host_port(self):
# Check invalid host_port
for hp in ("www.python.org:abc", "www.python.org:"):
self.assertRaises(httplib.InvalidURL, httplib.HTTP, hp)
for hp, h, p in (("[fe80::207:e9ff:fe9b]:8000", "fe80::207:e9ff:fe9b", 8000),
("www.python.org:80", "www.python.org", 80),
("www.python.org", "www.python.org", 80),
("[fe80::207:e9ff:fe9b]", "fe80::207:e9ff:fe9b", 80)):
http = httplib.HTTP(hp)
c = http._conn
if h != c.host: self.fail("Host incorrectly parsed: %s != %s" % (h, c.host))
if p != c.port: self.fail("Port incorrectly parsed: %s != %s" % (p, c.host))
def test_response_headers(self):
# 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)
r.begin()
cookies = r.getheader("Set-Cookie")
if cookies != hdr:
self.fail("multiple headers not combined properly")
def test_read_head(self):
# 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, method="HEAD")
resp.begin()
if resp.read() != "":
self.fail("Did not expect response from HEAD request")
resp.close()
def test_send_file(self):
expected = 'GET /foo HTTP/1.1\r\nHost: example.com\r\n' \
'Accept-Encoding: identity\r\nContent-Length:'
body = open(__file__, 'rb')
conn = httplib.HTTPConnection('example.com')
sock = FakeSocket(body)
conn.sock = sock
conn.request('GET', '/foo', body)
self.assertTrue(sock.data.startswith(expected))
class OfflineTest(TestCase):
def test_responses(self):
self.assertEquals(httplib.responses[httplib.NOT_FOUND], "Not Found")
def test_main(verbose=None):
test_support.run_unittest(HeaderTests, OfflineTest, BasicTest)
if __name__ == '__main__':
test_main()
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