ada/cpython
0
0
Fork 0
mirror of https://github.com/AdaCore/cpython.git synced 2026-02-12 12:57:15 -08:00
Code Issues Packages Projects Releases Wiki Activity
Files
d988f429fe43808345812ef63dfa8da170c61871
cpython/Lib/test/test_urllib.py
Senthil Kumaran 75d7b615ba Prevent HTTPoxy attack (CVE-2016-1000110) 
Ignore the HTTP_PROXY variable when REQUEST_METHOD environment is set, which
indicates that the script is in CGI mode.

Issue reported and patch contributed by Rémi Rampin.
2016-07-30 05:49:53 -07:00

1112 lines
44 KiB
Python
Raw Blame History

"""Regresssion tests for urllib"""
import collections
import urllib
import httplib
import io
import unittest
import os
import sys
import mimetools
import tempfile
from test import test_support
from base64 import b64encode
def hexescape(char):
"""Escape char as RFC 2396 specifies"""
hex_repr = hex(ord(char))[2:].upper()
if len(hex_repr) == 1:
hex_repr = "0%s" % hex_repr
return "%" + hex_repr
def fakehttp(fakedata):
class FakeSocket(io.BytesIO):
def sendall(self, data):
FakeHTTPConnection.buf = data
def makefile(self, *args, **kwds):
return self
def read(self, amt=None):
if self.closed:
return b""
return io.BytesIO.read(self, amt)
def readline(self, length=None):
if self.closed:
return b""
return io.BytesIO.readline(self, length)
class FakeHTTPConnection(httplib.HTTPConnection):
# buffer to store data for verification in urlopen tests.
buf = ""
def connect(self):
self.sock = FakeSocket(self.fakedata)
self.__class__.fakesock = self.sock
FakeHTTPConnection.fakedata = fakedata
return FakeHTTPConnection
class FakeHTTPMixin(object):
def fakehttp(self, fakedata):
assert httplib.HTTP._connection_class == httplib.HTTPConnection
httplib.HTTP._connection_class = fakehttp(fakedata)
def unfakehttp(self):
httplib.HTTP._connection_class = httplib.HTTPConnection
class urlopen_FileTests(unittest.TestCase):
"""Test urlopen() opening a temporary file.
Try to test as much functionality as possible so as to cut down on reliance
on connecting to the Net for testing.
"""
def setUp(self):
"""Setup of a temp file to use for testing"""
self.text = "test_urllib: %s\n" % self.__class__.__name__
FILE = file(test_support.TESTFN, 'wb')
try:
FILE.write(self.text)
finally:
FILE.close()
self.pathname = test_support.TESTFN
self.returned_obj = urllib.urlopen("file:%s" % self.pathname)
def tearDown(self):
"""Shut down the open object"""
self.returned_obj.close()
os.remove(test_support.TESTFN)
def test_interface(self):
# Make sure object returned by urlopen() has the specified methods
for attr in ("read", "readline", "readlines", "fileno",
"close", "info", "geturl", "getcode", "__iter__"):
self.assertTrue(hasattr(self.returned_obj, attr),
"object returned by urlopen() lacks %s attribute" %
attr)
def test_read(self):
self.assertEqual(self.text, self.returned_obj.read())
def test_readline(self):
self.assertEqual(self.text, self.returned_obj.readline())
self.assertEqual('', self.returned_obj.readline(),
"calling readline() after exhausting the file did not"
" return an empty string")
def test_readlines(self):
lines_list = self.returned_obj.readlines()
self.assertEqual(len(lines_list), 1,
"readlines() returned the wrong number of lines")
self.assertEqual(lines_list[0], self.text,
"readlines() returned improper text")
def test_fileno(self):
file_num = self.returned_obj.fileno()
self.assertIsInstance(file_num, int, "fileno() did not return an int")
self.assertEqual(os.read(file_num, len(self.text)), self.text,
"Reading on the file descriptor returned by fileno() "
"did not return the expected text")
def test_close(self):
# Test close() by calling it hear and then having it be called again
# by the tearDown() method for the test
self.returned_obj.close()
def test_info(self):
self.assertIsInstance(self.returned_obj.info(), mimetools.Message)
def test_geturl(self):
self.assertEqual(self.returned_obj.geturl(), self.pathname)
def test_getcode(self):
self.assertEqual(self.returned_obj.getcode(), None)
def test_iter(self):
# Test iterator
# Don't need to count number of iterations since test would fail the
# instant it returned anything beyond the first line from the
# comparison
for line in self.returned_obj.__iter__():
self.assertEqual(line, self.text)
def test_relativelocalfile(self):
self.assertRaises(ValueError,urllib.urlopen,'./' + self.pathname)
class ProxyTests(unittest.TestCase):
def setUp(self):
# Records changes to env vars
self.env = test_support.EnvironmentVarGuard()
# Delete all proxy related env vars
for k in os.environ.keys():
if 'proxy' in k.lower():
self.env.unset(k)
def tearDown(self):
# Restore all proxy related env vars
self.env.__exit__()
del self.env
def test_getproxies_environment_keep_no_proxies(self):
self.env.set('NO_PROXY', 'localhost')
proxies = urllib.getproxies_environment()
# getproxies_environment use lowered case truncated (no '_proxy') keys
self.assertEqual('localhost', proxies['no'])
# List of no_proxies with space.
self.env.set('NO_PROXY', 'localhost, anotherdomain.com, newdomain.com:1234')
self.assertTrue(urllib.proxy_bypass_environment('anotherdomain.com'))
self.assertTrue(urllib.proxy_bypass_environment('anotherdomain.com:8888'))
self.assertTrue(urllib.proxy_bypass_environment('newdomain.com:1234'))
def test_proxy_cgi_ignore(self):
try:
self.env.set('HTTP_PROXY', 'http://somewhere:3128')
proxies = urllib.getproxies_environment()
self.assertEqual('http://somewhere:3128', proxies['http'])
self.env.set('REQUEST_METHOD', 'GET')
proxies = urllib.getproxies_environment()
self.assertNotIn('http', proxies)
finally:
self.env.unset('REQUEST_METHOD')
self.env.unset('HTTP_PROXY')
def test_proxy_bypass_environment_host_match(self):
bypass = urllib.proxy_bypass_environment
self.env.set('NO_PROXY',
'localhost, anotherdomain.com, newdomain.com:1234')
self.assertTrue(bypass('localhost'))
self.assertTrue(bypass('LocalHost')) # MixedCase
self.assertTrue(bypass('LOCALHOST')) # UPPERCASE
self.assertTrue(bypass('newdomain.com:1234'))
self.assertTrue(bypass('anotherdomain.com:8888'))
self.assertTrue(bypass('www.newdomain.com:1234'))
self.assertFalse(bypass('prelocalhost'))
self.assertFalse(bypass('newdomain.com')) # no port
self.assertFalse(bypass('newdomain.com:1235')) # wrong port
class ProxyTests_withOrderedEnv(unittest.TestCase):
def setUp(self):
# We need to test conditions, where variable order _is_ significant
self._saved_env = os.environ
# Monkey patch os.environ, start with empty fake environment
os.environ = collections.OrderedDict()
def tearDown(self):
os.environ = self._saved_env
def test_getproxies_environment_prefer_lowercase(self):
# Test lowercase preference with removal
os.environ['no_proxy'] = ''
os.environ['No_Proxy'] = 'localhost'
self.assertFalse(urllib.proxy_bypass_environment('localhost'))
self.assertFalse(urllib.proxy_bypass_environment('arbitrary'))
os.environ['http_proxy'] = ''
os.environ['HTTP_PROXY'] = 'http://somewhere:3128'
proxies = urllib.getproxies_environment()
self.assertEqual({}, proxies)
# Test lowercase preference of proxy bypass and correct matching including ports
os.environ['no_proxy'] = 'localhost, noproxy.com, my.proxy:1234'
os.environ['No_Proxy'] = 'xyz.com'
self.assertTrue(urllib.proxy_bypass_environment('localhost'))
self.assertTrue(urllib.proxy_bypass_environment('noproxy.com:5678'))
self.assertTrue(urllib.proxy_bypass_environment('my.proxy:1234'))
self.assertFalse(urllib.proxy_bypass_environment('my.proxy'))
self.assertFalse(urllib.proxy_bypass_environment('arbitrary'))
# Test lowercase preference with replacement
os.environ['http_proxy'] = 'http://somewhere:3128'
os.environ['Http_Proxy'] = 'http://somewhereelse:3128'
proxies = urllib.getproxies_environment()
self.assertEqual('http://somewhere:3128', proxies['http'])
class urlopen_HttpTests(unittest.TestCase, FakeHTTPMixin):
"""Test urlopen() opening a fake http connection."""
def test_read(self):
self.fakehttp('Hello!')
try:
fp = urllib.urlopen("http://python.org/")
self.assertEqual(fp.readline(), 'Hello!')
self.assertEqual(fp.readline(), '')
self.assertEqual(fp.geturl(), 'http://python.org/')
self.assertEqual(fp.getcode(), 200)
finally:
self.unfakehttp()
def test_url_fragment(self):
# Issue #11703: geturl() omits fragments in the original URL.
url = 'http://docs.python.org/library/urllib.html#OK'
self.fakehttp('Hello!')
try:
fp = urllib.urlopen(url)
self.assertEqual(fp.geturl(), url)
finally:
self.unfakehttp()
def test_read_bogus(self):
# urlopen() should raise IOError for many error codes.
self.fakehttp('''HTTP/1.1 401 Authentication Required
Date: Wed, 02 Jan 2008 03:03:54 GMT
Server: Apache/1.3.33 (Debian GNU/Linux) mod_ssl/2.8.22 OpenSSL/0.9.7e
Connection: close
Content-Type: text/html; charset=iso-8859-1
''')
try:
self.assertRaises(IOError, urllib.urlopen, "http://python.org/")
finally:
self.unfakehttp()
def test_invalid_redirect(self):
# urlopen() should raise IOError for many error codes.
self.fakehttp("""HTTP/1.1 302 Found
Date: Wed, 02 Jan 2008 03:03:54 GMT
Server: Apache/1.3.33 (Debian GNU/Linux) mod_ssl/2.8.22 OpenSSL/0.9.7e
Location: file:README
Connection: close
Content-Type: text/html; charset=iso-8859-1
""")
try:
msg = "Redirection to url 'file:"
with self.assertRaisesRegexp(IOError, msg):
urllib.urlopen("http://python.org/")
finally:
self.unfakehttp()
def test_redirect_limit_independent(self):
# Ticket #12923: make sure independent requests each use their
# own retry limit.
for i in range(urllib.FancyURLopener().maxtries):
self.fakehttp(b'''HTTP/1.1 302 Found
Location: file://guidocomputer.athome.com:/python/license
Connection: close
''')
try:
self.assertRaises(IOError, urllib.urlopen,
"http://something")
finally:
self.unfakehttp()
def test_empty_socket(self):
# urlopen() raises IOError if the underlying socket does not send any
# data. (#1680230)
self.fakehttp('')
try:
self.assertRaises(IOError, urllib.urlopen, 'http://something')
finally:
self.unfakehttp()
def test_missing_localfile(self):
self.assertRaises(IOError, urllib.urlopen,
'file://localhost/a/missing/file.py')
fd, tmp_file = tempfile.mkstemp()
tmp_fileurl = 'file://localhost/' + tmp_file.replace(os.path.sep, '/')
self.assertTrue(os.path.exists(tmp_file))
try:
fp = urllib.urlopen(tmp_fileurl)
fp.close()
finally:
os.close(fd)
os.unlink(tmp_file)
self.assertFalse(os.path.exists(tmp_file))
self.assertRaises(IOError, urllib.urlopen, tmp_fileurl)
def test_ftp_nonexisting(self):
self.assertRaises(IOError, urllib.urlopen,
'ftp://localhost/not/existing/file.py')
def test_userpass_inurl(self):
self.fakehttp('Hello!')
try:
fakehttp_wrapper = httplib.HTTP._connection_class
fp = urllib.urlopen("http://user:pass@python.org/")
authorization = ("Authorization: Basic %s\r\n" %
b64encode('user:pass'))
# The authorization header must be in place
self.assertIn(authorization, fakehttp_wrapper.buf)
self.assertEqual(fp.readline(), "Hello!")
self.assertEqual(fp.readline(), "")
self.assertEqual(fp.geturl(), 'http://user:pass@python.org/')
self.assertEqual(fp.getcode(), 200)
finally:
self.unfakehttp()
def test_userpass_with_spaces_inurl(self):
self.fakehttp('Hello!')
try:
url = "http://a b:c d@python.org/"
fakehttp_wrapper = httplib.HTTP._connection_class
authorization = ("Authorization: Basic %s\r\n" %
b64encode('a b:c d'))
fp = urllib.urlopen(url)
# The authorization header must be in place
self.assertIn(authorization, fakehttp_wrapper.buf)
self.assertEqual(fp.readline(), "Hello!")
self.assertEqual(fp.readline(), "")
# the spaces are quoted in URL so no match
self.assertNotEqual(fp.geturl(), url)
self.assertEqual(fp.getcode(), 200)
finally:
self.unfakehttp()
class urlretrieve_FileTests(unittest.TestCase):
"""Test urllib.urlretrieve() on local files"""
def setUp(self):
# Create a list of temporary files. Each item in the list is a file
# name (absolute path or relative to the current working directory).
# All files in this list will be deleted in the tearDown method. Note,
# this only helps to makes sure temporary files get deleted, but it
# does nothing about trying to close files that may still be open. It
# is the responsibility of the developer to properly close files even
# when exceptional conditions occur.
self.tempFiles = []
# Create a temporary file.
self.registerFileForCleanUp(test_support.TESTFN)
self.text = 'testing urllib.urlretrieve'
try:
FILE = file(test_support.TESTFN, 'wb')
FILE.write(self.text)
FILE.close()
finally:
try: FILE.close()
except: pass
def tearDown(self):
# Delete the temporary files.
for each in self.tempFiles:
try: os.remove(each)
except: pass
def constructLocalFileUrl(self, filePath):
return "file://%s" % urllib.pathname2url(os.path.abspath(filePath))
def createNewTempFile(self, data=""):
"""Creates a new temporary file containing the specified data,
registers the file for deletion during the test fixture tear down, and
returns the absolute path of the file."""
newFd, newFilePath = tempfile.mkstemp()
try:
self.registerFileForCleanUp(newFilePath)
newFile = os.fdopen(newFd, "wb")
newFile.write(data)
newFile.close()
finally:
try: newFile.close()
except: pass
return newFilePath
def registerFileForCleanUp(self, fileName):
self.tempFiles.append(fileName)
def test_basic(self):
# Make sure that a local file just gets its own location returned and
# a headers value is returned.
result = urllib.urlretrieve("file:%s" % test_support.TESTFN)
self.assertEqual(result[0], test_support.TESTFN)
self.assertIsInstance(result[1], mimetools.Message,
"did not get a mimetools.Message instance as "
"second returned value")
def test_copy(self):
# Test that setting the filename argument works.
second_temp = "%s.2" % test_support.TESTFN
self.registerFileForCleanUp(second_temp)
result = urllib.urlretrieve(self.constructLocalFileUrl(
test_support.TESTFN), second_temp)
self.assertEqual(second_temp, result[0])
self.assertTrue(os.path.exists(second_temp), "copy of the file was not "
"made")
FILE = file(second_temp, 'rb')
try:
text = FILE.read()
FILE.close()
finally:
try: FILE.close()
except: pass
self.assertEqual(self.text, text)
def test_reporthook(self):
# Make sure that the reporthook works.
def hooktester(count, block_size, total_size, count_holder=[0]):
self.assertIsInstance(count, int)
self.assertIsInstance(block_size, int)
self.assertIsInstance(total_size, int)
self.assertEqual(count, count_holder[0])
count_holder[0] = count_holder[0] + 1
second_temp = "%s.2" % test_support.TESTFN
self.registerFileForCleanUp(second_temp)
urllib.urlretrieve(self.constructLocalFileUrl(test_support.TESTFN),
second_temp, hooktester)
def test_reporthook_0_bytes(self):
# Test on zero length file. Should call reporthook only 1 time.
report = []
def hooktester(count, block_size, total_size, _report=report):
_report.append((count, block_size, total_size))
srcFileName = self.createNewTempFile()
urllib.urlretrieve(self.constructLocalFileUrl(srcFileName),
test_support.TESTFN, hooktester)
self.assertEqual(len(report), 1)
self.assertEqual(report[0][2], 0)
def test_reporthook_5_bytes(self):
# Test on 5 byte file. Should call reporthook only 2 times (once when
# the "network connection" is established and once when the block is
# read). Since the block size is 8192 bytes, only one block read is
# required to read the entire file.
report = []
def hooktester(count, block_size, total_size, _report=report):
_report.append((count, block_size, total_size))
srcFileName = self.createNewTempFile("x" * 5)
urllib.urlretrieve(self.constructLocalFileUrl(srcFileName),
test_support.TESTFN, hooktester)
self.assertEqual(len(report), 2)
self.assertEqual(report[0][1], 8192)
self.assertEqual(report[0][2], 5)
def test_reporthook_8193_bytes(self):
# Test on 8193 byte file. Should call reporthook only 3 times (once
# when the "network connection" is established, once for the next 8192
# bytes, and once for the last byte).
report = []
def hooktester(count, block_size, total_size, _report=report):
_report.append((count, block_size, total_size))
srcFileName = self.createNewTempFile("x" * 8193)
urllib.urlretrieve(self.constructLocalFileUrl(srcFileName),
test_support.TESTFN, hooktester)
self.assertEqual(len(report), 3)
self.assertEqual(report[0][1], 8192)
self.assertEqual(report[0][2], 8193)
class urlretrieve_HttpTests(unittest.TestCase, FakeHTTPMixin):
"""Test urllib.urlretrieve() using fake http connections"""
def test_short_content_raises_ContentTooShortError(self):
self.fakehttp('''HTTP/1.1 200 OK
Date: Wed, 02 Jan 2008 03:03:54 GMT
Server: Apache/1.3.33 (Debian GNU/Linux) mod_ssl/2.8.22 OpenSSL/0.9.7e
Connection: close
Content-Length: 100
Content-Type: text/html; charset=iso-8859-1
FF
''')
def _reporthook(par1, par2, par3):
pass
try:
self.assertRaises(urllib.ContentTooShortError, urllib.urlretrieve,
'http://example.com', reporthook=_reporthook)
finally:
self.unfakehttp()
def test_short_content_raises_ContentTooShortError_without_reporthook(self):
self.fakehttp('''HTTP/1.1 200 OK
Date: Wed, 02 Jan 2008 03:03:54 GMT
Server: Apache/1.3.33 (Debian GNU/Linux) mod_ssl/2.8.22 OpenSSL/0.9.7e
Connection: close
Content-Length: 100
Content-Type: text/html; charset=iso-8859-1
FF
''')
try:
self.assertRaises(urllib.ContentTooShortError, urllib.urlretrieve, 'http://example.com/')
finally:
self.unfakehttp()
class QuotingTests(unittest.TestCase):
"""Tests for urllib.quote() and urllib.quote_plus()
According to RFC 2396 ("Uniform Resource Identifiers), to escape a
character you write it as '%' + <2 character US-ASCII hex value>. The Python
code of ``'%' + hex(ord(<character>))[2:]`` escapes a character properly.
Case does not matter on the hex letters.
The various character sets specified are:
Reserved characters : ";/?:@&=+$,"
Have special meaning in URIs and must be escaped if not being used for
their special meaning
Data characters : letters, digits, and "-_.!~*'()"
Unreserved and do not need to be escaped; can be, though, if desired
Control characters : 0x00 - 0x1F, 0x7F
Have no use in URIs so must be escaped
space : 0x20
Must be escaped
Delimiters : '<>#%"'
Must be escaped
Unwise : "{}|\^[]`"
Must be escaped
"""
def test_never_quote(self):
# Make sure quote() does not quote letters, digits, and "_,.-"
do_not_quote = '' .join(["ABCDEFGHIJKLMNOPQRSTUVWXYZ",
"abcdefghijklmnopqrstuvwxyz",
"0123456789",
"_.-"])
result = urllib.quote(do_not_quote)
self.assertEqual(do_not_quote, result,
"using quote(): %s != %s" % (do_not_quote, result))
result = urllib.quote_plus(do_not_quote)
self.assertEqual(do_not_quote, result,
"using quote_plus(): %s != %s" % (do_not_quote, result))
def test_default_safe(self):
# Test '/' is default value for 'safe' parameter
self.assertEqual(urllib.quote.func_defaults[0], '/')
def test_safe(self):
# Test setting 'safe' parameter does what it should do
quote_by_default = "<>"
result = urllib.quote(quote_by_default, safe=quote_by_default)
self.assertEqual(quote_by_default, result,
"using quote(): %s != %s" % (quote_by_default, result))
result = urllib.quote_plus(quote_by_default, safe=quote_by_default)
self.assertEqual(quote_by_default, result,
"using quote_plus(): %s != %s" %
(quote_by_default, result))
def test_default_quoting(self):
# Make sure all characters that should be quoted are by default sans
# space (separate test for that).
should_quote = [chr(num) for num in range(32)] # For 0x00 - 0x1F
should_quote.append('<>#%"{}|\^[]`')
should_quote.append(chr(127)) # For 0x7F
should_quote = ''.join(should_quote)
for char in should_quote:
result = urllib.quote(char)
self.assertEqual(hexescape(char), result,
"using quote(): %s should be escaped to %s, not %s" %
(char, hexescape(char), result))
result = urllib.quote_plus(char)
self.assertEqual(hexescape(char), result,
"using quote_plus(): "
"%s should be escapes to %s, not %s" %
(char, hexescape(char), result))
del should_quote
partial_quote = "ab[]cd"
expected = "ab%5B%5Dcd"
result = urllib.quote(partial_quote)
self.assertEqual(expected, result,
"using quote(): %s != %s" % (expected, result))
result = urllib.quote_plus(partial_quote)
self.assertEqual(expected, result,
"using quote_plus(): %s != %s" % (expected, result))
self.assertRaises(TypeError, urllib.quote, None)
def test_quoting_space(self):
# Make sure quote() and quote_plus() handle spaces as specified in
# their unique way
result = urllib.quote(' ')
self.assertEqual(result, hexescape(' '),
"using quote(): %s != %s" % (result, hexescape(' ')))
result = urllib.quote_plus(' ')
self.assertEqual(result, '+',
"using quote_plus(): %s != +" % result)
given = "a b cd e f"
expect = given.replace(' ', hexescape(' '))
result = urllib.quote(given)
self.assertEqual(expect, result,
"using quote(): %s != %s" % (expect, result))
expect = given.replace(' ', '+')
result = urllib.quote_plus(given)
self.assertEqual(expect, result,
"using quote_plus(): %s != %s" % (expect, result))
def test_quoting_plus(self):
self.assertEqual(urllib.quote_plus('alpha+beta gamma'),
'alpha%2Bbeta+gamma')
self.assertEqual(urllib.quote_plus('alpha+beta gamma', '+'),
'alpha+beta+gamma')
class UnquotingTests(unittest.TestCase):
"""Tests for unquote() and unquote_plus()
See the doc string for quoting_Tests for details on quoting and such.
"""
def test_unquoting(self):
# Make sure unquoting of all ASCII values works
escape_list = []
for num in range(128):
given = hexescape(chr(num))
expect = chr(num)
result = urllib.unquote(given)
self.assertEqual(expect, result,
"using unquote(): %s != %s" % (expect, result))
result = urllib.unquote_plus(given)
self.assertEqual(expect, result,
"using unquote_plus(): %s != %s" %
(expect, result))
escape_list.append(given)
escape_string = ''.join(escape_list)
del escape_list
result = urllib.unquote(escape_string)
self.assertEqual(result.count('%'), 1,
"using quote(): not all characters escaped; %s" %
result)
result = urllib.unquote(escape_string)
self.assertEqual(result.count('%'), 1,
"using unquote(): not all characters escaped: "
"%s" % result)
def test_unquoting_badpercent(self):
# Test unquoting on bad percent-escapes
given = '%xab'
expect = given
result = urllib.unquote(given)
self.assertEqual(expect, result, "using unquote(): %r != %r"
% (expect, result))
given = '%x'
expect = given
result = urllib.unquote(given)
self.assertEqual(expect, result, "using unquote(): %r != %r"
% (expect, result))
given = '%'
expect = given
result = urllib.unquote(given)
self.assertEqual(expect, result, "using unquote(): %r != %r"
% (expect, result))
def test_unquoting_mixed_case(self):
# Test unquoting on mixed-case hex digits in the percent-escapes
given = '%Ab%eA'
expect = '\xab\xea'
result = urllib.unquote(given)
self.assertEqual(expect, result, "using unquote(): %r != %r"
% (expect, result))
def test_unquoting_parts(self):
# Make sure unquoting works when have non-quoted characters
# interspersed
given = 'ab%sd' % hexescape('c')
expect = "abcd"
result = urllib.unquote(given)
self.assertEqual(expect, result,
"using quote(): %s != %s" % (expect, result))
result = urllib.unquote_plus(given)
self.assertEqual(expect, result,
"using unquote_plus(): %s != %s" % (expect, result))
def test_unquoting_plus(self):
# Test difference between unquote() and unquote_plus()
given = "are+there+spaces..."
expect = given
result = urllib.unquote(given)
self.assertEqual(expect, result,
"using unquote(): %s != %s" % (expect, result))
expect = given.replace('+', ' ')
result = urllib.unquote_plus(given)
self.assertEqual(expect, result,
"using unquote_plus(): %s != %s" % (expect, result))
def test_unquote_with_unicode(self):
r = urllib.unquote(u'br%C3%BCckner_sapporo_20050930.doc')
self.assertEqual(r, u'br\xc3\xbcckner_sapporo_20050930.doc')
class urlencode_Tests(unittest.TestCase):
"""Tests for urlencode()"""
def help_inputtype(self, given, test_type):
"""Helper method for testing different input types.
'given' must lead to only the pairs:
* 1st, 1
* 2nd, 2
* 3rd, 3
Test cannot assume anything about order. Docs make no guarantee and
have possible dictionary input.
"""
expect_somewhere = ["1st=1", "2nd=2", "3rd=3"]
result = urllib.urlencode(given)
for expected in expect_somewhere:
self.assertIn(expected, result,
"testing %s: %s not found in %s" %
(test_type, expected, result))
self.assertEqual(result.count('&'), 2,
"testing %s: expected 2 '&'s; got %s" %
(test_type, result.count('&')))
amp_location = result.index('&')
on_amp_left = result[amp_location - 1]
on_amp_right = result[amp_location + 1]
self.assertTrue(on_amp_left.isdigit() and on_amp_right.isdigit(),
"testing %s: '&' not located in proper place in %s" %
(test_type, result))
self.assertEqual(len(result), (5 * 3) + 2, #5 chars per thing and amps
"testing %s: "
"unexpected number of characters: %s != %s" %
(test_type, len(result), (5 * 3) + 2))
def test_using_mapping(self):
# Test passing in a mapping object as an argument.
self.help_inputtype({"1st":'1', "2nd":'2', "3rd":'3'},
"using dict as input type")
def test_using_sequence(self):
# Test passing in a sequence of two-item sequences as an argument.
self.help_inputtype([('1st', '1'), ('2nd', '2'), ('3rd', '3')],
"using sequence of two-item tuples as input")
def test_quoting(self):
# Make sure keys and values are quoted using quote_plus()
given = {"&":"="}
expect = "%s=%s" % (hexescape('&'), hexescape('='))
result = urllib.urlencode(given)
self.assertEqual(expect, result)
given = {"key name":"A bunch of pluses"}
expect = "key+name=A+bunch+of+pluses"
result = urllib.urlencode(given)
self.assertEqual(expect, result)
def test_doseq(self):
# Test that passing True for 'doseq' parameter works correctly
given = {'sequence':['1', '2', '3']}
expect = "sequence=%s" % urllib.quote_plus(str(['1', '2', '3']))
result = urllib.urlencode(given)
self.assertEqual(expect, result)
result = urllib.urlencode(given, True)
for value in given["sequence"]:
expect = "sequence=%s" % value
self.assertIn(expect, result)
self.assertEqual(result.count('&'), 2,
"Expected 2 '&'s, got %s" % result.count('&'))
class Pathname_Tests(unittest.TestCase):
"""Test pathname2url() and url2pathname()"""
def test_basic(self):
# Make sure simple tests pass
expected_path = os.path.join("parts", "of", "a", "path")
expected_url = "parts/of/a/path"
result = urllib.pathname2url(expected_path)
self.assertEqual(expected_url, result,
"pathname2url() failed; %s != %s" %
(result, expected_url))
result = urllib.url2pathname(expected_url)
self.assertEqual(expected_path, result,
"url2pathame() failed; %s != %s" %
(result, expected_path))
def test_quoting(self):
# Test automatic quoting and unquoting works for pathnam2url() and
# url2pathname() respectively
given = os.path.join("needs", "quot=ing", "here")
expect = "needs/%s/here" % urllib.quote("quot=ing")
result = urllib.pathname2url(given)
self.assertEqual(expect, result,
"pathname2url() failed; %s != %s" %
(expect, result))
expect = given
result = urllib.url2pathname(result)
self.assertEqual(expect, result,
"url2pathname() failed; %s != %s" %
(expect, result))
given = os.path.join("make sure", "using_quote")
expect = "%s/using_quote" % urllib.quote("make sure")
result = urllib.pathname2url(given)
self.assertEqual(expect, result,
"pathname2url() failed; %s != %s" %
(expect, result))
given = "make+sure/using_unquote"
expect = os.path.join("make+sure", "using_unquote")
result = urllib.url2pathname(given)
self.assertEqual(expect, result,
"url2pathname() failed; %s != %s" %
(expect, result))
@unittest.skipUnless(sys.platform == 'win32',
'test specific to the nturl2path library')
def test_ntpath(self):
given = ('/C:/', '///C:/', '/C|//')
expect = 'C:\\'
for url in given:
result = urllib.url2pathname(url)
self.assertEqual(expect, result,
'nturl2path.url2pathname() failed; %s != %s' %
(expect, result))
given = '///C|/path'
expect = 'C:\\path'
result = urllib.url2pathname(given)
self.assertEqual(expect, result,
'nturl2path.url2pathname() failed; %s != %s' %
(expect, result))
class Utility_Tests(unittest.TestCase):
"""Testcase to test the various utility functions in the urllib."""
# In Python 3 this test class is moved to test_urlparse.
def test_splittype(self):
splittype = urllib.splittype
self.assertEqual(splittype('type:opaquestring'), ('type', 'opaquestring'))
self.assertEqual(splittype('opaquestring'), (None, 'opaquestring'))
self.assertEqual(splittype(':opaquestring'), (None, ':opaquestring'))
self.assertEqual(splittype('type:'), ('type', ''))
self.assertEqual(splittype('type:opaque:string'), ('type', 'opaque:string'))
def test_splithost(self):
splithost = urllib.splithost
self.assertEqual(splithost('//www.example.org:80/foo/bar/baz.html'),
('www.example.org:80', '/foo/bar/baz.html'))
self.assertEqual(splithost('//www.example.org:80'),
('www.example.org:80', ''))
self.assertEqual(splithost('/foo/bar/baz.html'),
(None, '/foo/bar/baz.html'))
def test_splituser(self):
splituser = urllib.splituser
self.assertEqual(splituser('User:Pass@www.python.org:080'),
('User:Pass', 'www.python.org:080'))
self.assertEqual(splituser('@www.python.org:080'),
('', 'www.python.org:080'))
self.assertEqual(splituser('www.python.org:080'),
(None, 'www.python.org:080'))
self.assertEqual(splituser('User:Pass@'),
('User:Pass', ''))
self.assertEqual(splituser('User@example.com:Pass@www.python.org:080'),
('User@example.com:Pass', 'www.python.org:080'))
def test_splitpasswd(self):
# Some of the password examples are not sensible, but it is added to
# confirming to RFC2617 and addressing issue4675.
splitpasswd = urllib.splitpasswd
self.assertEqual(splitpasswd('user:ab'), ('user', 'ab'))
self.assertEqual(splitpasswd('user:a\nb'), ('user', 'a\nb'))
self.assertEqual(splitpasswd('user:a\tb'), ('user', 'a\tb'))
self.assertEqual(splitpasswd('user:a\rb'), ('user', 'a\rb'))
self.assertEqual(splitpasswd('user:a\fb'), ('user', 'a\fb'))
self.assertEqual(splitpasswd('user:a\vb'), ('user', 'a\vb'))
self.assertEqual(splitpasswd('user:a:b'), ('user', 'a:b'))
self.assertEqual(splitpasswd('user:a b'), ('user', 'a b'))
self.assertEqual(splitpasswd('user 2:ab'), ('user 2', 'ab'))
self.assertEqual(splitpasswd('user+1:a+b'), ('user+1', 'a+b'))
self.assertEqual(splitpasswd('user:'), ('user', ''))
self.assertEqual(splitpasswd('user'), ('user', None))
self.assertEqual(splitpasswd(':ab'), ('', 'ab'))
def test_splitport(self):
splitport = urllib.splitport
self.assertEqual(splitport('parrot:88'), ('parrot', '88'))
self.assertEqual(splitport('parrot'), ('parrot', None))
self.assertEqual(splitport('parrot:'), ('parrot', None))
self.assertEqual(splitport('127.0.0.1'), ('127.0.0.1', None))
self.assertEqual(splitport('parrot:cheese'), ('parrot:cheese', None))
self.assertEqual(splitport('[::1]:88'), ('[::1]', '88'))
self.assertEqual(splitport('[::1]'), ('[::1]', None))
self.assertEqual(splitport(':88'), ('', '88'))
def test_splitnport(self):
splitnport = urllib.splitnport
self.assertEqual(splitnport('parrot:88'), ('parrot', 88))
self.assertEqual(splitnport('parrot'), ('parrot', -1))
self.assertEqual(splitnport('parrot', 55), ('parrot', 55))
self.assertEqual(splitnport('parrot:'), ('parrot', -1))
self.assertEqual(splitnport('parrot:', 55), ('parrot', 55))
self.assertEqual(splitnport('127.0.0.1'), ('127.0.0.1', -1))
self.assertEqual(splitnport('127.0.0.1', 55), ('127.0.0.1', 55))
self.assertEqual(splitnport('parrot:cheese'), ('parrot', None))
self.assertEqual(splitnport('parrot:cheese', 55), ('parrot', None))
def test_splitquery(self):
# Normal cases are exercised by other tests; ensure that we also
# catch cases with no port specified (testcase ensuring coverage)
splitquery = urllib.splitquery
self.assertEqual(splitquery('http://python.org/fake?foo=bar'),
('http://python.org/fake', 'foo=bar'))
self.assertEqual(splitquery('http://python.org/fake?foo=bar?'),
('http://python.org/fake?foo=bar', ''))
self.assertEqual(splitquery('http://python.org/fake'),
('http://python.org/fake', None))
self.assertEqual(splitquery('?foo=bar'), ('', 'foo=bar'))
def test_splittag(self):
splittag = urllib.splittag
self.assertEqual(splittag('http://example.com?foo=bar#baz'),
('http://example.com?foo=bar', 'baz'))
self.assertEqual(splittag('http://example.com?foo=bar#'),
('http://example.com?foo=bar', ''))
self.assertEqual(splittag('#baz'), ('', 'baz'))
self.assertEqual(splittag('http://example.com?foo=bar'),
('http://example.com?foo=bar', None))
self.assertEqual(splittag('http://example.com?foo=bar#baz#boo'),
('http://example.com?foo=bar#baz', 'boo'))
def test_splitattr(self):
splitattr = urllib.splitattr
self.assertEqual(splitattr('/path;attr1=value1;attr2=value2'),
('/path', ['attr1=value1', 'attr2=value2']))
self.assertEqual(splitattr('/path;'), ('/path', ['']))
self.assertEqual(splitattr(';attr1=value1;attr2=value2'),
('', ['attr1=value1', 'attr2=value2']))
self.assertEqual(splitattr('/path'), ('/path', []))
def test_splitvalue(self):
# Normal cases are exercised by other tests; test pathological cases
# with no key/value pairs. (testcase ensuring coverage)
splitvalue = urllib.splitvalue
self.assertEqual(splitvalue('foo=bar'), ('foo', 'bar'))
self.assertEqual(splitvalue('foo='), ('foo', ''))
self.assertEqual(splitvalue('=bar'), ('', 'bar'))
self.assertEqual(splitvalue('foobar'), ('foobar', None))
self.assertEqual(splitvalue('foo=bar=baz'), ('foo', 'bar=baz'))
def test_toBytes(self):
result = urllib.toBytes(u'http://www.python.org')
self.assertEqual(result, 'http://www.python.org')
self.assertRaises(UnicodeError, urllib.toBytes,
test_support.u(r'http://www.python.org/medi\u00e6val'))
def test_unwrap(self):
url = urllib.unwrap('<URL:type://host/path>')
self.assertEqual(url, 'type://host/path')
class URLopener_Tests(unittest.TestCase):
"""Testcase to test the open method of URLopener class."""
def test_quoted_open(self):
class DummyURLopener(urllib.URLopener):
def open_spam(self, url):
return url
self.assertEqual(DummyURLopener().open(
'spam://example/ /'),'//example/%20/')
# test the safe characters are not quoted by urlopen
self.assertEqual(DummyURLopener().open(
"spam://c:|windows%/:=&?~#+!$,;'@()*[]|/path/"),
"//c:|windows%/:=&?~#+!$,;'@()*[]|/path/")
# Just commented them out.
# Can't really tell why keep failing in windows and sparc.
# Everywhere else they work ok, but on those machines, sometimes
# fail in one of the tests, sometimes in other. I have a linux, and
# the tests go ok.
# If anybody has one of the problematic environments, please help!
# . Facundo
#
# def server(evt):
# import socket, time
# serv = socket.socket(socket.AF_INET, socket.SOCK_STREAM)
# serv.settimeout(3)
# serv.setsockopt(socket.SOL_SOCKET, socket.SO_REUSEADDR, 1)
# serv.bind(("", 9093))
# serv.listen(5)
# try:
# conn, addr = serv.accept()
# conn.send("1 Hola mundo\n")
# cantdata = 0
# while cantdata < 13:
# data = conn.recv(13-cantdata)
# cantdata += len(data)
# time.sleep(.3)
# conn.send("2 No more lines\n")
# conn.close()
# except socket.timeout:
# pass
# finally:
# serv.close()
# evt.set()
#
# class FTPWrapperTests(unittest.TestCase):
#
# def setUp(self):
# import ftplib, time, threading
# ftplib.FTP.port = 9093
# self.evt = threading.Event()
# threading.Thread(target=server, args=(self.evt,)).start()
# time.sleep(.1)
#
# def tearDown(self):
# self.evt.wait()
#
# def testBasic(self):
# # connects
# ftp = urllib.ftpwrapper("myuser", "mypass", "localhost", 9093, [])
# ftp.close()
#
# def testTimeoutNone(self):
# # global default timeout is ignored
# import socket
# self.assertIsNone(socket.getdefaulttimeout())
# socket.setdefaulttimeout(30)
# try:
# ftp = urllib.ftpwrapper("myuser", "mypass", "localhost", 9093, [])
# finally:
# socket.setdefaulttimeout(None)
# self.assertEqual(ftp.ftp.sock.gettimeout(), 30)
# ftp.close()
#
# def testTimeoutDefault(self):
# # global default timeout is used
# import socket
# self.assertIsNone(socket.getdefaulttimeout())
# socket.setdefaulttimeout(30)
# try:
# ftp = urllib.ftpwrapper("myuser", "mypass", "localhost", 9093, [])
# finally:
# socket.setdefaulttimeout(None)
# self.assertEqual(ftp.ftp.sock.gettimeout(), 30)
# ftp.close()
#
# def testTimeoutValue(self):
# ftp = urllib.ftpwrapper("myuser", "mypass", "localhost", 9093, [],
# timeout=30)
# self.assertEqual(ftp.ftp.sock.gettimeout(), 30)
# ftp.close()
def test_main():
import warnings
with warnings.catch_warnings():
warnings.filterwarnings('ignore', ".*urllib\.urlopen.*Python 3.0",
DeprecationWarning)
test_support.run_unittest(
urlopen_FileTests,
urlopen_HttpTests,
urlretrieve_FileTests,
urlretrieve_HttpTests,
ProxyTests,
QuotingTests,
UnquotingTests,
urlencode_Tests,
Pathname_Tests,
Utility_Tests,
URLopener_Tests,
ProxyTests,
ProxyTests_withOrderedEnv,
#FTPWrapperTests,
)
if __name__ == '__main__':
test_main()
Reference in New Issue View Git Blame Copy Permalink