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1930 lines (1623 loc) · 75.2 KB
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import unittest
from test import support
from test import test_urllib
import os
import io
import socket
import array
import sys
import tempfile
import subprocess
import urllib.request
# The proxy bypass method imported below has logic specific to the OSX
# proxy config data structure but is testable on all platforms.
from urllib.request import (Request, OpenerDirector, HTTPBasicAuthHandler,
HTTPPasswordMgrWithPriorAuth, _parse_proxy,
_proxy_bypass_macosx_sysconf,
AbstractDigestAuthHandler)
from urllib.parse import urlparse
import urllib.error
import http.client
# XXX
# Request
# CacheFTPHandler (hard to write)
# parse_keqv_list, parse_http_list, HTTPDigestAuthHandler
class TrivialTests(unittest.TestCase):
def test___all__(self):
# Verify which names are exposed
for module in 'request', 'response', 'parse', 'error', 'robotparser':
context = {}
exec('from urllib.%s import *' % module, context)
del context['__builtins__']
if module == 'request' and os.name == 'nt':
u, p = context.pop('url2pathname'), context.pop('pathname2url')
self.assertEqual(u.__module__, 'nturl2path')
self.assertEqual(p.__module__, 'nturl2path')
for k, v in context.items():
self.assertEqual(v.__module__, 'urllib.%s' % module,
"%r is exposed in 'urllib.%s' but defined in %r" %
(k, module, v.__module__))
def test_trivial(self):
# A couple trivial tests
self.assertRaises(ValueError, urllib.request.urlopen, 'bogus url')
# XXX Name hacking to get this to work on Windows.
fname = os.path.abspath(urllib.request.__file__).replace(os.sep, '/')
if os.name == 'nt':
file_url = "file:///%s" % fname
else:
file_url = "file://%s" % fname
f = urllib.request.urlopen(file_url)
f.read()
f.close()
def test_parse_http_list(self):
tests = [
('a,b,c', ['a', 'b', 'c']),
('path"o,l"og"i"cal, example', ['path"o,l"og"i"cal', 'example']),
('a, b, "c", "d", "e,f", g, h',
['a', 'b', '"c"', '"d"', '"e,f"', 'g', 'h']),
('a="b\\"c", d="e\\,f", g="h\\\\i"',
['a="b"c"', 'd="e,f"', 'g="h\\i"'])]
for string, list in tests:
self.assertEqual(urllib.request.parse_http_list(string), list)
def test_URLError_reasonstr(self):
err = urllib.error.URLError('reason')
self.assertIn(err.reason, str(err))
class RequestHdrsTests(unittest.TestCase):
def test_request_headers_dict(self):
"""
The Request.headers dictionary is not a documented interface. It
should stay that way, because the complete set of headers are only
accessible through the .get_header(), .has_header(), .header_items()
interface. However, .headers pre-dates those methods, and so real code
will be using the dictionary.
The introduction in 2.4 of those methods was a mistake for the same
reason: code that previously saw all (urllib2 user)-provided headers in
.headers now sees only a subset.
"""
url = "http://example.com"
self.assertEqual(Request(url,
headers={"Spam-eggs": "blah"}
).headers["Spam-eggs"], "blah")
self.assertEqual(Request(url,
headers={"spam-EggS": "blah"}
).headers["Spam-eggs"], "blah")
def test_request_headers_methods(self):
"""
Note the case normalization of header names here, to
.capitalize()-case. This should be preserved for
backwards-compatibility. (In the HTTP case, normalization to
.title()-case is done by urllib2 before sending headers to
http.client).
Note that e.g. r.has_header("spam-EggS") is currently False, and
r.get_header("spam-EggS") returns None, but that could be changed in
future.
Method r.remove_header should remove items both from r.headers and
r.unredirected_hdrs dictionaries
"""
url = "http://example.com"
req = Request(url, headers={"Spam-eggs": "blah"})
self.assertTrue(req.has_header("Spam-eggs"))
self.assertEqual(req.header_items(), [('Spam-eggs', 'blah')])
req.add_header("Foo-Bar", "baz")
self.assertEqual(sorted(req.header_items()),
[('Foo-bar', 'baz'), ('Spam-eggs', 'blah')])
self.assertFalse(req.has_header("Not-there"))
self.assertIsNone(req.get_header("Not-there"))
self.assertEqual(req.get_header("Not-there", "default"), "default")
req.remove_header("Spam-eggs")
self.assertFalse(req.has_header("Spam-eggs"))
req.add_unredirected_header("Unredirected-spam", "Eggs")
self.assertTrue(req.has_header("Unredirected-spam"))
req.remove_header("Unredirected-spam")
self.assertFalse(req.has_header("Unredirected-spam"))
def test_password_manager(self):
mgr = urllib.request.HTTPPasswordMgr()
add = mgr.add_password
find_user_pass = mgr.find_user_password
add("Some Realm", "http://example.com/", "joe", "password")
add("Some Realm", "http://example.com/ni", "ni", "ni")
add("Some Realm", "http://c.example.com:3128", "3", "c")
add("Some Realm", "d.example.com", "4", "d")
add("Some Realm", "e.example.com:3128", "5", "e")
# For the same realm, password set the highest path is the winner.
self.assertEqual(find_user_pass("Some Realm", "example.com"),
('joe', 'password'))
self.assertEqual(find_user_pass("Some Realm", "http://example.com/ni"),
('joe', 'password'))
self.assertEqual(find_user_pass("Some Realm", "http://example.com"),
('joe', 'password'))
self.assertEqual(find_user_pass("Some Realm", "http://example.com/"),
('joe', 'password'))
self.assertEqual(find_user_pass("Some Realm",
"http://example.com/spam"),
('joe', 'password'))
self.assertEqual(find_user_pass("Some Realm",
"http://example.com/spam/spam"),
('joe', 'password'))
# You can have different passwords for different paths.
add("c", "http://example.com/foo", "foo", "ni")
add("c", "http://example.com/bar", "bar", "nini")
self.assertEqual(find_user_pass("c", "http://example.com/foo"),
('foo', 'ni'))
self.assertEqual(find_user_pass("c", "http://example.com/bar"),
('bar', 'nini'))
# For the same path, newer password should be considered.
add("b", "http://example.com/", "first", "blah")
add("b", "http://example.com/", "second", "spam")
self.assertEqual(find_user_pass("b", "http://example.com/"),
('second', 'spam'))
# No special relationship between a.example.com and example.com:
add("a", "http://example.com", "1", "a")
self.assertEqual(find_user_pass("a", "http://example.com/"),
('1', 'a'))
self.assertEqual(find_user_pass("a", "http://a.example.com/"),
(None, None))
# Ports:
self.assertEqual(find_user_pass("Some Realm", "c.example.com"),
(None, None))
self.assertEqual(find_user_pass("Some Realm", "c.example.com:3128"),
('3', 'c'))
self.assertEqual(
find_user_pass("Some Realm", "http://c.example.com:3128"),
('3', 'c'))
self.assertEqual(find_user_pass("Some Realm", "d.example.com"),
('4', 'd'))
self.assertEqual(find_user_pass("Some Realm", "e.example.com:3128"),
('5', 'e'))
def test_password_manager_default_port(self):
"""
The point to note here is that we can't guess the default port if
there's no scheme. This applies to both add_password and
find_user_password.
"""
mgr = urllib.request.HTTPPasswordMgr()
add = mgr.add_password
find_user_pass = mgr.find_user_password
add("f", "http://g.example.com:80", "10", "j")
add("g", "http://h.example.com", "11", "k")
add("h", "i.example.com:80", "12", "l")
add("i", "j.example.com", "13", "m")
self.assertEqual(find_user_pass("f", "g.example.com:100"),
(None, None))
self.assertEqual(find_user_pass("f", "g.example.com:80"),
('10', 'j'))
self.assertEqual(find_user_pass("f", "g.example.com"),
(None, None))
self.assertEqual(find_user_pass("f", "http://g.example.com:100"),
(None, None))
self.assertEqual(find_user_pass("f", "http://g.example.com:80"),
('10', 'j'))
self.assertEqual(find_user_pass("f", "http://g.example.com"),
('10', 'j'))
self.assertEqual(find_user_pass("g", "h.example.com"), ('11', 'k'))
self.assertEqual(find_user_pass("g", "h.example.com:80"), ('11', 'k'))
self.assertEqual(find_user_pass("g", "http://h.example.com:80"),
('11', 'k'))
self.assertEqual(find_user_pass("h", "i.example.com"), (None, None))
self.assertEqual(find_user_pass("h", "i.example.com:80"), ('12', 'l'))
self.assertEqual(find_user_pass("h", "http://i.example.com:80"),
('12', 'l'))
self.assertEqual(find_user_pass("i", "j.example.com"), ('13', 'm'))
self.assertEqual(find_user_pass("i", "j.example.com:80"),
(None, None))
self.assertEqual(find_user_pass("i", "http://j.example.com"),
('13', 'm'))
self.assertEqual(find_user_pass("i", "http://j.example.com:80"),
(None, None))
class MockOpener:
addheaders = []
def open(self, req, data=None, timeout=socket._GLOBAL_DEFAULT_TIMEOUT):
self.req, self.data, self.timeout = req, data, timeout
def error(self, proto, *args):
self.proto, self.args = proto, args
class MockFile:
def read(self, count=None):
pass
def readline(self, count=None):
pass
def close(self):
pass
class MockHeaders(dict):
def getheaders(self, name):
return list(self.values())
class MockResponse(io.StringIO):
def __init__(self, code, msg, headers, data, url=None):
io.StringIO.__init__(self, data)
self.code, self.msg, self.headers, self.url = code, msg, headers, url
def info(self):
return self.headers
def geturl(self):
return self.url
class MockCookieJar:
def add_cookie_header(self, request):
self.ach_req = request
def extract_cookies(self, response, request):
self.ec_req, self.ec_r = request, response
class FakeMethod:
def __init__(self, meth_name, action, handle):
self.meth_name = meth_name
self.handle = handle
self.action = action
def __call__(self, *args):
return self.handle(self.meth_name, self.action, *args)
class MockHTTPResponse(io.IOBase):
def __init__(self, fp, msg, status, reason):
self.fp = fp
self.msg = msg
self.status = status
self.reason = reason
self.code = 200
def read(self):
return ''
def info(self):
return {}
def geturl(self):
return self.url
class MockHTTPClass:
def __init__(self):
self.level = 0
self.req_headers = []
self.data = None
self.raise_on_endheaders = False
self.sock = None
self._tunnel_headers = {}
def __call__(self, host, timeout=socket._GLOBAL_DEFAULT_TIMEOUT):
self.host = host
self.timeout = timeout
return self
def set_debuglevel(self, level):
self.level = level
def set_tunnel(self, host, port=None, headers=None):
self._tunnel_host = host
self._tunnel_port = port
if headers:
self._tunnel_headers = headers
else:
self._tunnel_headers.clear()
def request(self, method, url, body=None, headers=None, *,
encode_chunked=False):
self.method = method
self.selector = url
if headers is not None:
self.req_headers += headers.items()
self.req_headers.sort()
if body:
self.data = body
self.encode_chunked = encode_chunked
if self.raise_on_endheaders:
raise OSError()
def getresponse(self):
return MockHTTPResponse(MockFile(), {}, 200, "OK")
def close(self):
pass
class MockHandler:
# useful for testing handler machinery
# see add_ordered_mock_handlers() docstring
handler_order = 500
def __init__(self, methods):
self._define_methods(methods)
def _define_methods(self, methods):
for spec in methods:
if len(spec) == 2:
name, action = spec
else:
name, action = spec, None
meth = FakeMethod(name, action, self.handle)
setattr(self.__class__, name, meth)
def handle(self, fn_name, action, *args, **kwds):
self.parent.calls.append((self, fn_name, args, kwds))
if action is None:
return None
elif action == "return self":
return self
elif action == "return response":
res = MockResponse(200, "OK", {}, "")
return res
elif action == "return request":
return Request("http://blah/")
elif action.startswith("error"):
code = action[action.rfind(" ")+1:]
try:
code = int(code)
except ValueError:
pass
res = MockResponse(200, "OK", {}, "")
return self.parent.error("http", args[0], res, code, "", {})
elif action == "raise":
raise urllib.error.URLError("blah")
assert False
def close(self):
pass
def add_parent(self, parent):
self.parent = parent
self.parent.calls = []
def __lt__(self, other):
if not hasattr(other, "handler_order"):
# No handler_order, leave in original order. Yuck.
return True
return self.handler_order < other.handler_order
def add_ordered_mock_handlers(opener, meth_spec):
"""Create MockHandlers and add them to an OpenerDirector.
meth_spec: list of lists of tuples and strings defining methods to define
on handlers. eg:
[["http_error", "ftp_open"], ["http_open"]]
defines methods .http_error() and .ftp_open() on one handler, and
.http_open() on another. These methods just record their arguments and
return None. Using a tuple instead of a string causes the method to
perform some action (see MockHandler.handle()), eg:
[["http_error"], [("http_open", "return request")]]
defines .http_error() on one handler (which simply returns None), and
.http_open() on another handler, which returns a Request object.
"""
handlers = []
count = 0
for meths in meth_spec:
class MockHandlerSubclass(MockHandler):
pass
h = MockHandlerSubclass(meths)
h.handler_order += count
h.add_parent(opener)
count = count + 1
handlers.append(h)
opener.add_handler(h)
return handlers
def build_test_opener(*handler_instances):
opener = OpenerDirector()
for h in handler_instances:
opener.add_handler(h)
return opener
class MockHTTPHandler(urllib.request.BaseHandler):
# useful for testing redirections and auth
# sends supplied headers and code as first response
# sends 200 OK as second response
def __init__(self, code, headers):
self.code = code
self.headers = headers
self.reset()
def reset(self):
self._count = 0
self.requests = []
def http_open(self, req):
import email, copy
self.requests.append(copy.deepcopy(req))
if self._count == 0:
self._count = self._count + 1
name = http.client.responses[self.code]
msg = email.message_from_string(self.headers)
return self.parent.error(
"http", req, MockFile(), self.code, name, msg)
else:
self.req = req
msg = email.message_from_string("\r\n\r\n")
return MockResponse(200, "OK", msg, "", req.get_full_url())
class MockHTTPSHandler(urllib.request.AbstractHTTPHandler):
# Useful for testing the Proxy-Authorization request by verifying the
# properties of httpcon
def __init__(self, debuglevel=0):
urllib.request.AbstractHTTPHandler.__init__(self, debuglevel=debuglevel)
self.httpconn = MockHTTPClass()
def https_open(self, req):
return self.do_open(self.httpconn, req)
class MockHTTPHandlerCheckAuth(urllib.request.BaseHandler):
# useful for testing auth
# sends supplied code response
# checks if auth header is specified in request
def __init__(self, code):
self.code = code
self.has_auth_header = False
def reset(self):
self.has_auth_header = False
def http_open(self, req):
if req.has_header('Authorization'):
self.has_auth_header = True
name = http.client.responses[self.code]
return MockResponse(self.code, name, MockFile(), "", req.get_full_url())
class MockPasswordManager:
def add_password(self, realm, uri, user, password):
self.realm = realm
self.url = uri
self.user = user
self.password = password
def find_user_password(self, realm, authuri):
self.target_realm = realm
self.target_url = authuri
return self.user, self.password
class OpenerDirectorTests(unittest.TestCase):
def test_add_non_handler(self):
class NonHandler(object):
pass
self.assertRaises(TypeError,
OpenerDirector().add_handler, NonHandler())
def test_badly_named_methods(self):
# test work-around for three methods that accidentally follow the
# naming conventions for handler methods
# (*_open() / *_request() / *_response())
# These used to call the accidentally-named methods, causing a
# TypeError in real code; here, returning self from these mock
# methods would either cause no exception, or AttributeError.
from urllib.error import URLError
o = OpenerDirector()
meth_spec = [
[("do_open", "return self"), ("proxy_open", "return self")],
[("redirect_request", "return self")],
]
add_ordered_mock_handlers(o, meth_spec)
o.add_handler(urllib.request.UnknownHandler())
for scheme in "do", "proxy", "redirect":
self.assertRaises(URLError, o.open, scheme+"://example.com/")
def test_handled(self):
# handler returning non-None means no more handlers will be called
o = OpenerDirector()
meth_spec = [
["http_open", "ftp_open", "http_error_302"],
["ftp_open"],
[("http_open", "return self")],
[("http_open", "return self")],
]
handlers = add_ordered_mock_handlers(o, meth_spec)
req = Request("http://example.com/")
r = o.open(req)
# Second .http_open() gets called, third doesn't, since second returned
# non-None. Handlers without .http_open() never get any methods called
# on them.
# In fact, second mock handler defining .http_open() returns self
# (instead of response), which becomes the OpenerDirector's return
# value.
self.assertEqual(r, handlers[2])
calls = [(handlers[0], "http_open"), (handlers[2], "http_open")]
for expected, got in zip(calls, o.calls):
handler, name, args, kwds = got
self.assertEqual((handler, name), expected)
self.assertEqual(args, (req,))
def test_handler_order(self):
o = OpenerDirector()
handlers = []
for meths, handler_order in [([("http_open", "return self")], 500),
(["http_open"], 0)]:
class MockHandlerSubclass(MockHandler):
pass
h = MockHandlerSubclass(meths)
h.handler_order = handler_order
handlers.append(h)
o.add_handler(h)
o.open("http://example.com/")
# handlers called in reverse order, thanks to their sort order
self.assertEqual(o.calls[0][0], handlers[1])
self.assertEqual(o.calls[1][0], handlers[0])
def test_raise(self):
# raising URLError stops processing of request
o = OpenerDirector()
meth_spec = [
[("http_open", "raise")],
[("http_open", "return self")],
]
handlers = add_ordered_mock_handlers(o, meth_spec)
req = Request("http://example.com/")
self.assertRaises(urllib.error.URLError, o.open, req)
self.assertEqual(o.calls, [(handlers[0], "http_open", (req,), {})])
def test_http_error(self):
# XXX http_error_default
# http errors are a special case
o = OpenerDirector()
meth_spec = [
[("http_open", "error 302")],
[("http_error_400", "raise"), "http_open"],
[("http_error_302", "return response"), "http_error_303",
"http_error"],
[("http_error_302")],
]
handlers = add_ordered_mock_handlers(o, meth_spec)
class Unknown:
def __eq__(self, other):
return True
req = Request("http://example.com/")
o.open(req)
assert len(o.calls) == 2
calls = [(handlers[0], "http_open", (req,)),
(handlers[2], "http_error_302",
(req, Unknown(), 302, "", {}))]
for expected, got in zip(calls, o.calls):
handler, method_name, args = expected
self.assertEqual((handler, method_name), got[:2])
self.assertEqual(args, got[2])
def test_processors(self):
# *_request / *_response methods get called appropriately
o = OpenerDirector()
meth_spec = [
[("http_request", "return request"),
("http_response", "return response")],
[("http_request", "return request"),
("http_response", "return response")],
]
handlers = add_ordered_mock_handlers(o, meth_spec)
req = Request("http://example.com/")
o.open(req)
# processor methods are called on *all* handlers that define them,
# not just the first handler that handles the request
calls = [
(handlers[0], "http_request"), (handlers[1], "http_request"),
(handlers[0], "http_response"), (handlers[1], "http_response")]
for i, (handler, name, args, kwds) in enumerate(o.calls):
if i < 2:
# *_request
self.assertEqual((handler, name), calls[i])
self.assertEqual(len(args), 1)
self.assertIsInstance(args[0], Request)
else:
# *_response
self.assertEqual((handler, name), calls[i])
self.assertEqual(len(args), 2)
self.assertIsInstance(args[0], Request)
# response from opener.open is None, because there's no
# handler that defines http_open to handle it
if args[1] is not None:
self.assertIsInstance(args[1], MockResponse)
def sanepathname2url(path):
try:
path.encode("utf-8")
except UnicodeEncodeError:
raise unittest.SkipTest("path is not encodable to utf8")
urlpath = urllib.request.pathname2url(path)
if os.name == "nt" and urlpath.startswith("///"):
urlpath = urlpath[2:]
# XXX don't ask me about the mac...
return urlpath
class HandlerTests(unittest.TestCase):
def test_ftp(self):
class MockFTPWrapper:
def __init__(self, data):
self.data = data
def retrfile(self, filename, filetype):
self.filename, self.filetype = filename, filetype
return io.StringIO(self.data), len(self.data)
def close(self):
pass
class NullFTPHandler(urllib.request.FTPHandler):
def __init__(self, data):
self.data = data
def connect_ftp(self, user, passwd, host, port, dirs,
timeout=socket._GLOBAL_DEFAULT_TIMEOUT):
self.user, self.passwd = user, passwd
self.host, self.port = host, port
self.dirs = dirs
self.ftpwrapper = MockFTPWrapper(self.data)
return self.ftpwrapper
import ftplib
data = "rheum rhaponicum"
h = NullFTPHandler(data)
h.parent = MockOpener()
for url, host, port, user, passwd, type_, dirs, filename, mimetype in [
("ftp://localhost/foo/bar/baz.html",
"localhost", ftplib.FTP_PORT, "", "", "I",
["foo", "bar"], "baz.html", "text/html"),
("ftp://parrot@localhost/foo/bar/baz.html",
"localhost", ftplib.FTP_PORT, "parrot", "", "I",
["foo", "bar"], "baz.html", "text/html"),
("ftp://%25parrot@localhost/foo/bar/baz.html",
"localhost", ftplib.FTP_PORT, "%parrot", "", "I",
["foo", "bar"], "baz.html", "text/html"),
("ftp://%2542parrot@localhost/foo/bar/baz.html",
"localhost", ftplib.FTP_PORT, "%42parrot", "", "I",
["foo", "bar"], "baz.html", "text/html"),
("ftp://localhost:80/foo/bar/",
"localhost", 80, "", "", "D",
["foo", "bar"], "", None),
("ftp://localhost/baz.gif;type=a",
"localhost", ftplib.FTP_PORT, "", "", "A",
[], "baz.gif", None), # XXX really this should guess image/gif
]:
req = Request(url)
req.timeout = None
r = h.ftp_open(req)
# ftp authentication not yet implemented by FTPHandler
self.assertEqual(h.user, user)
self.assertEqual(h.passwd, passwd)
self.assertEqual(h.host, socket.gethostbyname(host))
self.assertEqual(h.port, port)
self.assertEqual(h.dirs, dirs)
self.assertEqual(h.ftpwrapper.filename, filename)
self.assertEqual(h.ftpwrapper.filetype, type_)
headers = r.info()
self.assertEqual(headers.get("Content-type"), mimetype)
self.assertEqual(int(headers["Content-length"]), len(data))
def test_file(self):
import email.utils
h = urllib.request.FileHandler()
o = h.parent = MockOpener()
TESTFN = support.TESTFN
urlpath = sanepathname2url(os.path.abspath(TESTFN))
towrite = b"hello, world\n"
urls = [
"file://localhost%s" % urlpath,
"file://%s" % urlpath,
"file://%s%s" % (socket.gethostbyname('localhost'), urlpath),
]
try:
localaddr = socket.gethostbyname(socket.gethostname())
except socket.gaierror:
localaddr = ''
if localaddr:
urls.append("file://%s%s" % (localaddr, urlpath))
for url in urls:
f = open(TESTFN, "wb")
try:
try:
f.write(towrite)
finally:
f.close()
r = h.file_open(Request(url))
try:
data = r.read()
headers = r.info()
respurl = r.geturl()
finally:
r.close()
stats = os.stat(TESTFN)
modified = email.utils.formatdate(stats.st_mtime, usegmt=True)
finally:
os.remove(TESTFN)
self.assertEqual(data, towrite)
self.assertEqual(headers["Content-type"], "text/plain")
self.assertEqual(headers["Content-length"], "13")
self.assertEqual(headers["Last-modified"], modified)
self.assertEqual(respurl, url)
for url in [
"file://localhost:80%s" % urlpath,
"file:///file_does_not_exist.txt",
"file://not-a-local-host.com//dir/file.txt",
"file://%s:80%s/%s" % (socket.gethostbyname('localhost'),
os.getcwd(), TESTFN),
"file://somerandomhost.ontheinternet.com%s/%s" %
(os.getcwd(), TESTFN),
]:
try:
f = open(TESTFN, "wb")
try:
f.write(towrite)
finally:
f.close()
self.assertRaises(urllib.error.URLError,
h.file_open, Request(url))
finally:
os.remove(TESTFN)
h = urllib.request.FileHandler()
o = h.parent = MockOpener()
# XXXX why does // mean ftp (and /// mean not ftp!), and where
# is file: scheme specified? I think this is really a bug, and
# what was intended was to distinguish between URLs like:
# file:/blah.txt (a file)
# file://localhost/blah.txt (a file)
# file:///blah.txt (a file)
# file://ftp.example.com/blah.txt (an ftp URL)
for url, ftp in [
("file://ftp.example.com//foo.txt", False),
("file://ftp.example.com///foo.txt", False),
("file://ftp.example.com/foo.txt", False),
("file://somehost//foo/something.txt", False),
("file://localhost//foo/something.txt", False),
]:
req = Request(url)
try:
h.file_open(req)
except urllib.error.URLError:
self.assertFalse(ftp)
else:
self.assertIs(o.req, req)
self.assertEqual(req.type, "ftp")
self.assertEqual(req.type == "ftp", ftp)
def test_http(self):
h = urllib.request.AbstractHTTPHandler()
o = h.parent = MockOpener()
url = "http://example.com/"
for method, data in [("GET", None), ("POST", b"blah")]:
req = Request(url, data, {"Foo": "bar"})
req.timeout = None
req.add_unredirected_header("Spam", "eggs")
http = MockHTTPClass()
r = h.do_open(http, req)
# result attributes
r.read; r.readline # wrapped MockFile methods
r.info; r.geturl # addinfourl methods
r.code, r.msg == 200, "OK" # added from MockHTTPClass.getreply()
hdrs = r.info()
hdrs.get; hdrs.__contains__ # r.info() gives dict from .getreply()
self.assertEqual(r.geturl(), url)
self.assertEqual(http.host, "example.com")
self.assertEqual(http.level, 0)
self.assertEqual(http.method, method)
self.assertEqual(http.selector, "/")
self.assertEqual(http.req_headers,
[("Connection", "close"),
("Foo", "bar"), ("Spam", "eggs")])
self.assertEqual(http.data, data)
# check OSError converted to URLError
http.raise_on_endheaders = True
self.assertRaises(urllib.error.URLError, h.do_open, http, req)
# Check for TypeError on POST data which is str.
req = Request("http://example.com/","badpost")
self.assertRaises(TypeError, h.do_request_, req)
# check adding of standard headers
o.addheaders = [("Spam", "eggs")]
for data in b"", None: # POST, GET
req = Request("http://example.com/", data)
r = MockResponse(200, "OK", {}, "")
newreq = h.do_request_(req)
if data is None: # GET
self.assertNotIn("Content-length", req.unredirected_hdrs)
self.assertNotIn("Content-type", req.unredirected_hdrs)
else: # POST
self.assertEqual(req.unredirected_hdrs["Content-length"], "0")
self.assertEqual(req.unredirected_hdrs["Content-type"],
"application/x-www-form-urlencoded")
# XXX the details of Host could be better tested
self.assertEqual(req.unredirected_hdrs["Host"], "example.com")
self.assertEqual(req.unredirected_hdrs["Spam"], "eggs")
# don't clobber existing headers
req.add_unredirected_header("Content-length", "foo")
req.add_unredirected_header("Content-type", "bar")
req.add_unredirected_header("Host", "baz")
req.add_unredirected_header("Spam", "foo")
newreq = h.do_request_(req)
self.assertEqual(req.unredirected_hdrs["Content-length"], "foo")
self.assertEqual(req.unredirected_hdrs["Content-type"], "bar")
self.assertEqual(req.unredirected_hdrs["Host"], "baz")
self.assertEqual(req.unredirected_hdrs["Spam"], "foo")
def test_http_body_file(self):
# A regular file - chunked encoding is used unless Content Length is
# already set.
h = urllib.request.AbstractHTTPHandler()
o = h.parent = MockOpener()
file_obj = tempfile.NamedTemporaryFile(mode='w+b', delete=False)
file_path = file_obj.name
file_obj.close()
self.addCleanup(os.unlink, file_path)
with open(file_path, "rb") as f:
req = Request("http://example.com/", f, {})
newreq = h.do_request_(req)
te = newreq.get_header('Transfer-encoding')
self.assertEqual(te, "chunked")
self.assertFalse(newreq.has_header('Content-length'))
with open(file_path, "rb") as f:
req = Request("http://example.com/", f, {"Content-Length": 30})
newreq = h.do_request_(req)
self.assertEqual(int(newreq.get_header('Content-length')), 30)
self.assertFalse(newreq.has_header("Transfer-encoding"))
def test_http_body_fileobj(self):
# A file object - chunked encoding is used
# unless Content Length is already set.
# (Note that there are some subtle differences to a regular
# file, that is why we are testing both cases.)
h = urllib.request.AbstractHTTPHandler()
o = h.parent = MockOpener()
file_obj = io.BytesIO()
req = Request("http://example.com/", file_obj, {})
newreq = h.do_request_(req)
self.assertEqual(newreq.get_header('Transfer-encoding'), 'chunked')
self.assertFalse(newreq.has_header('Content-length'))
headers = {"Content-Length": 30}
req = Request("http://example.com/", file_obj, headers)
newreq = h.do_request_(req)
self.assertEqual(int(newreq.get_header('Content-length')), 30)
self.assertFalse(newreq.has_header("Transfer-encoding"))
file_obj.close()
def test_http_body_pipe(self):
# A file reading from a pipe.
# A pipe cannot be seek'ed. There is no way to determine the
# content length up front. Thus, do_request_() should fall
# back to Transfer-encoding chunked.
h = urllib.request.AbstractHTTPHandler()
o = h.parent = MockOpener()
cmd = [sys.executable, "-c", r"pass"]
for headers in {}, {"Content-Length": 30}:
with subprocess.Popen(cmd, stdout=subprocess.PIPE) as proc:
req = Request("http://example.com/", proc.stdout, headers)
newreq = h.do_request_(req)
if not headers:
self.assertEqual(newreq.get_header('Content-length'), None)
self.assertEqual(newreq.get_header('Transfer-encoding'),
'chunked')
else:
self.assertEqual(int(newreq.get_header('Content-length')),
30)
def test_http_body_iterable(self):
# Generic iterable. There is no way to determine the content
# length up front. Fall back to Transfer-encoding chunked.
h = urllib.request.AbstractHTTPHandler()
o = h.parent = MockOpener()