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			svn+ssh://pythondev@svn.python.org/python/trunk ........ r77727 | ezio.melotti | 2010-01-24 18:58:36 +0200 (Sun, 24 Jan 2010) | 1 line use assert[Not]IsInstance where appropriate ........
		
			
				
	
	
		
			263 lines
		
	
	
	
		
			8.9 KiB
		
	
	
	
		
			Python
		
	
	
	
	
	
			
		
		
	
	
			263 lines
		
	
	
	
		
			8.9 KiB
		
	
	
	
		
			Python
		
	
	
	
	
	
| #!/usr/bin/env python
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| 
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| import unittest
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| from test import support
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| from test.test_urllib2 import sanepathname2url
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| 
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| import os
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| import socket
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| import sys
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| import urllib.error
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| import urllib.request
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| 
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| 
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| def _retry_thrice(func, exc, *args, **kwargs):
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|     for i in range(3):
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|         try:
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|             return func(*args, **kwargs)
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|         except exc as e:
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|             last_exc = e
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|             continue
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|         except:
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|             raise
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|     raise last_exc
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| 
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| def _wrap_with_retry_thrice(func, exc):
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|     def wrapped(*args, **kwargs):
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|         return _retry_thrice(func, exc, *args, **kwargs)
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|     return wrapped
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| 
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| # Connecting to remote hosts is flaky.  Make it more robust by retrying
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| # the connection several times.
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| _urlopen_with_retry = _wrap_with_retry_thrice(urllib.request.urlopen,
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|                                               urllib.error.URLError)
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| 
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| 
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| class AuthTests(unittest.TestCase):
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|     """Tests urllib2 authentication features."""
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| 
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| ## Disabled at the moment since there is no page under python.org which
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| ## could be used to HTTP authentication.
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| #
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| #    def test_basic_auth(self):
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| #        import http.client
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| #
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| #        test_url = "http://www.python.org/test/test_urllib2/basic_auth"
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| #        test_hostport = "www.python.org"
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| #        test_realm = 'Test Realm'
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| #        test_user = 'test.test_urllib2net'
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| #        test_password = 'blah'
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| #
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| #        # failure
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| #        try:
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| #            _urlopen_with_retry(test_url)
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| #        except urllib2.HTTPError, exc:
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| #            self.assertEqual(exc.code, 401)
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| #        else:
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| #            self.fail("urlopen() should have failed with 401")
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| #
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| #        # success
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| #        auth_handler = urllib2.HTTPBasicAuthHandler()
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| #        auth_handler.add_password(test_realm, test_hostport,
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| #                                  test_user, test_password)
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| #        opener = urllib2.build_opener(auth_handler)
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| #        f = opener.open('http://localhost/')
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| #        response = _urlopen_with_retry("http://www.python.org/")
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| #
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| #        # The 'userinfo' URL component is deprecated by RFC 3986 for security
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| #        # reasons, let's not implement it!  (it's already implemented for proxy
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| #        # specification strings (that is, URLs or authorities specifying a
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| #        # proxy), so we must keep that)
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| #        self.assertRaises(http.client.InvalidURL,
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| #                          urllib2.urlopen, "http://evil:thing@example.com")
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| 
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| 
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| class CloseSocketTest(unittest.TestCase):
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| 
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|     def test_close(self):
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|         import socket, http.client, gc
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| 
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|         # calling .close() on urllib2's response objects should close the
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|         # underlying socket
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| 
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|         response = _urlopen_with_retry("http://www.python.org/")
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|         sock = response.fp
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|         self.assertTrue(not sock.closed)
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|         response.close()
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|         self.assertTrue(sock.closed)
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| 
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| class OtherNetworkTests(unittest.TestCase):
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|     def setUp(self):
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|         if 0:  # for debugging
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|             import logging
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|             logger = logging.getLogger("test_urllib2net")
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|             logger.addHandler(logging.StreamHandler())
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| 
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|     # XXX The rest of these tests aren't very good -- they don't check much.
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|     # They do sometimes catch some major disasters, though.
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| 
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|     def test_ftp(self):
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|         urls = [
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|             'ftp://ftp.kernel.org/pub/linux/kernel/README',
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|             'ftp://ftp.kernel.org/pub/linux/kernel/non-existent-file',
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|             #'ftp://ftp.kernel.org/pub/leenox/kernel/test',
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|             'ftp://gatekeeper.research.compaq.com/pub/DEC/SRC'
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|                 '/research-reports/00README-Legal-Rules-Regs',
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|             ]
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|         self._test_urls(urls, self._extra_handlers())
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| 
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|     def test_file(self):
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|         TESTFN = support.TESTFN
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|         f = open(TESTFN, 'w')
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|         try:
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|             f.write('hi there\n')
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|             f.close()
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|             urls = [
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|                 'file:' + sanepathname2url(os.path.abspath(TESTFN)),
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|                 ('file:///nonsensename/etc/passwd', None,
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|                  urllib.error.URLError),
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|                 ]
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|             self._test_urls(urls, self._extra_handlers(), retry=True)
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|         finally:
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|             os.remove(TESTFN)
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| 
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|     # XXX Following test depends on machine configurations that are internal
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|     # to CNRI.  Need to set up a public server with the right authentication
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|     # configuration for test purposes.
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| 
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| ##     def test_cnri(self):
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| ##         if socket.gethostname() == 'bitdiddle':
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| ##             localhost = 'bitdiddle.cnri.reston.va.us'
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| ##         elif socket.gethostname() == 'bitdiddle.concentric.net':
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| ##             localhost = 'localhost'
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| ##         else:
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| ##             localhost = None
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| ##         if localhost is not None:
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| ##             urls = [
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| ##                 'file://%s/etc/passwd' % localhost,
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| ##                 'http://%s/simple/' % localhost,
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| ##                 'http://%s/digest/' % localhost,
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| ##                 'http://%s/not/found.h' % localhost,
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| ##                 ]
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| 
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| ##             bauth = HTTPBasicAuthHandler()
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| ##             bauth.add_password('basic_test_realm', localhost, 'jhylton',
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| ##                                'password')
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| ##             dauth = HTTPDigestAuthHandler()
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| ##             dauth.add_password('digest_test_realm', localhost, 'jhylton',
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| ##                                'password')
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| 
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| ##             self._test_urls(urls, self._extra_handlers()+[bauth, dauth])
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| 
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|     def _test_urls(self, urls, handlers, retry=True):
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|         import socket
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|         import time
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|         import logging
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|         debug = logging.getLogger("test_urllib2").debug
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| 
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|         urlopen = urllib.request.build_opener(*handlers).open
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|         if retry:
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|             urlopen = _wrap_with_retry_thrice(urlopen, urllib.error.URLError)
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| 
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|         for url in urls:
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|             if isinstance(url, tuple):
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|                 url, req, expected_err = url
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|             else:
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|                 req = expected_err = None
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|             debug(url)
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|             try:
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|                 f = urlopen(url, req)
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|             except EnvironmentError as err:
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|                 debug(err)
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|                 if expected_err:
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|                     msg = ("Didn't get expected error(s) %s for %s %s, got %s: %s" %
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|                            (expected_err, url, req, type(err), err))
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|                     self.assertIsInstance(err, expected_err, msg)
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|             else:
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|                 with support.time_out, \
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|                      support.socket_peer_reset, \
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|                      support.ioerror_peer_reset:
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|                     buf = f.read()
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|                 f.close()
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|                 debug("read %d bytes" % len(buf))
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|             debug("******** next url coming up...")
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|             time.sleep(0.1)
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| 
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|     def _extra_handlers(self):
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|         handlers = []
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| 
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|         cfh = urllib.request.CacheFTPHandler()
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|         cfh.setTimeout(1)
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|         handlers.append(cfh)
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| 
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|         return handlers
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| 
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| 
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| class TimeoutTest(unittest.TestCase):
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|     def test_http_basic(self):
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|         self.assertTrue(socket.getdefaulttimeout() is None)
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|         u = _urlopen_with_retry("http://www.python.org")
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|         self.assertTrue(u.fp.raw._sock.gettimeout() is None)
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| 
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|     def test_http_default_timeout(self):
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|         self.assertTrue(socket.getdefaulttimeout() is None)
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|         socket.setdefaulttimeout(60)
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|         try:
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|             u = _urlopen_with_retry("http://www.python.org")
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|         finally:
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|             socket.setdefaulttimeout(None)
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|         self.assertEqual(u.fp.raw._sock.gettimeout(), 60)
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| 
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|     def test_http_no_timeout(self):
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|         self.assertTrue(socket.getdefaulttimeout() is None)
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|         socket.setdefaulttimeout(60)
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|         try:
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|             u = _urlopen_with_retry("http://www.python.org", timeout=None)
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|         finally:
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|             socket.setdefaulttimeout(None)
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|         self.assertTrue(u.fp.raw._sock.gettimeout() is None)
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| 
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|     def test_http_timeout(self):
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|         u = _urlopen_with_retry("http://www.python.org", timeout=120)
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|         self.assertEqual(u.fp.raw._sock.gettimeout(), 120)
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| 
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|     FTP_HOST = "ftp://ftp.mirror.nl/pub/mirror/gnu/"
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| 
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|     def test_ftp_basic(self):
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|         self.assertTrue(socket.getdefaulttimeout() is None)
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|         u = _urlopen_with_retry(self.FTP_HOST)
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|         self.assertTrue(u.fp.fp.raw._sock.gettimeout() is None)
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| 
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|     def test_ftp_default_timeout(self):
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|         self.assertTrue(socket.getdefaulttimeout() is None)
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|         socket.setdefaulttimeout(60)
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|         try:
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|             u = _urlopen_with_retry(self.FTP_HOST)
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|         finally:
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|             socket.setdefaulttimeout(None)
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|         self.assertEqual(u.fp.fp.raw._sock.gettimeout(), 60)
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| 
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|     def test_ftp_no_timeout(self):
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|         self.assertTrue(socket.getdefaulttimeout() is None)
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|         socket.setdefaulttimeout(60)
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|         try:
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|             u = _urlopen_with_retry(self.FTP_HOST, timeout=None)
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|         finally:
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|             socket.setdefaulttimeout(None)
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|         self.assertTrue(u.fp.fp.raw._sock.gettimeout() is None)
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| 
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|     def test_ftp_timeout(self):
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|         u = _urlopen_with_retry(self.FTP_HOST, timeout=60)
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|         self.assertEqual(u.fp.fp.raw._sock.gettimeout(), 60)
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| 
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| 
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| def test_main():
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|     support.requires("network")
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|     support.run_unittest(AuthTests,
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|                               OtherNetworkTests,
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|                               CloseSocketTest,
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|                               TimeoutTest,
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|                               )
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| 
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| if __name__ == "__main__":
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|     test_main()
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