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import http.client as httplib
import io
import socket
from unittest import TestCase
from test import support
HOST = support.HOST
class FakeSocket:
def __init__(self, text, fileclass=io.BytesIO):
if isinstance(text, str):
text = text.encode("ascii")
self.text = text
self.fileclass = fileclass
self.data = b''
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(io.BytesIO):
"""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 = io.BytesIO.read(self, n)
if data == b'':
raise AssertionError('caller tried to read past EOF')
return data
def readline(self, length=None):
data = io.BytesIO.readline(self, length)
if data == b'':
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.
class HeaderCountingBuffer(list):
def __init__(self):
self.count = {}
def append(self, item):
kv = item.split(b':')
if len(kv) > 1:
# item is a 'Key: Value' header string
lcKey = kv[0].decode('ascii').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(), b"Text")
self.assertTrue(resp.isclosed())
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_partial_reads(self):
# if we have a lenght, the system knows when to close itself
# same behaviour than when we read the whole thing with read()
body = "HTTP/1.1 200 Ok\r\nContent-Length: 4\r\n\r\nText"
sock = FakeSocket(body)
resp = httplib.HTTPResponse(sock)
resp.begin()
self.assertEqual(resp.read(2), b'Te')
self.assertFalse(resp.isclosed())
self.assertEqual(resp.read(2), b'xt')
self.assertTrue(resp.isclosed())
def test_host_port(self):
# Check invalid host_port
for hp in ("www.python.org:abc", "www.python.org:"):
self.assertRaises(httplib.InvalidURL, httplib.HTTPConnection, 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)):
c = httplib.HTTPConnection(hp)
self.assertEqual(h, c.host)
self.assertEqual(p, c.port)
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")
self.assertEqual(cookies, hdr)
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")
def test_send_file(self):
expected = (b'GET /foo HTTP/1.1\r\nHost: example.com\r\n'
b'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), '%r != %r' %
(sock.data[:len(expected)], expected))
def test_chunked(self):
chunked_start = (
'HTTP/1.1 200 OK\r\n'
'Transfer-Encoding: chunked\r\n\r\n'
'a\r\n'
'hello worl\r\n'
'1\r\n'
'd\r\n'
)
sock = FakeSocket(chunked_start + '0\r\n')
resp = httplib.HTTPResponse(sock, method="GET")
resp.begin()
self.assertEquals(resp.read(), b'hello world')
resp.close()
for x in ('', 'foo\r\n'):
sock = FakeSocket(chunked_start + x)
resp = httplib.HTTPResponse(sock, method="GET")
resp.begin()
try:
resp.read()
except httplib.IncompleteRead as i:
self.assertEquals(i.partial, b'hello world')
else:
self.fail('IncompleteRead expected')
finally:
resp.close()
def test_negative_content_length(self):
sock = FakeSocket(
'HTTP/1.1 200 OK\r\nContent-Length: -1\r\n\r\nHello\r\n')
resp = httplib.HTTPResponse(sock, method="GET")
resp.begin()
self.assertEquals(resp.read(), b'Hello\r\n')
resp.close()
class OfflineTest(TestCase):
def test_responses(self):
self.assertEquals(httplib.responses[httplib.NOT_FOUND], "Not Found")
class TimeoutTest(TestCase):
PORT = None
def setUp(self):
self.serv = socket.socket(socket.AF_INET, socket.SOCK_STREAM)
TimeoutTest.PORT = support.bind_port(self.serv)
self.serv.listen(5)
def tearDown(self):
self.serv.close()
self.serv = None
def testTimeoutAttribute(self):
# This will prove that the timeout gets through HTTPConnection
# and into the socket.
# default -- use global socket timeout
self.assert_(socket.getdefaulttimeout() is None)
socket.setdefaulttimeout(30)
try:
httpConn = httplib.HTTPConnection(HOST, TimeoutTest.PORT)
httpConn.connect()
finally:
socket.setdefaulttimeout(None)
self.assertEqual(httpConn.sock.gettimeout(), 30)
httpConn.close()
# no timeout -- do not use global socket default
self.assert_(socket.getdefaulttimeout() is None)
socket.setdefaulttimeout(30)
try:
httpConn = httplib.HTTPConnection(HOST, TimeoutTest.PORT,
timeout=None)
httpConn.connect()
finally:
socket.setdefaulttimeout(None)
self.assertEqual(httpConn.sock.gettimeout(), None)
httpConn.close()
# a value
httpConn = httplib.HTTPConnection(HOST, TimeoutTest.PORT, timeout=30)
httpConn.connect()
self.assertEqual(httpConn.sock.gettimeout(), 30)
httpConn.close()
class HTTPSTimeoutTest(TestCase):
# XXX Here should be tests for HTTPS, there isn't any right now!
def test_attributes(self):
# simple test to check it's storing it
if hasattr(httplib, 'HTTPSConnection'):
h = httplib.HTTPSConnection(HOST, TimeoutTest.PORT, timeout=30)
self.assertEqual(h.timeout, 30)
def test_main(verbose=None):
support.run_unittest(HeaderTests, OfflineTest, BasicTest, TimeoutTest,
HTTPSTimeoutTest)
if __name__ == '__main__':
test_main()
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