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✏️ test_urllib.py
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"""Regression 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, .d.o.t') self.assertTrue(bypass('localhost')) self.assertTrue(bypass('LocalHost')) # MixedCase self.assertTrue(bypass('LOCALHOST')) # UPPERCASE self.assertTrue(bypass('newdomain.com:1234')) self.assertTrue(bypass('foo.d.o.t')) # issue 29142 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_url_with_control_char_rejected(self): for char_no in range(0, 0x21) + range(0x7f, 0x100): char = chr(char_no) schemeless_url = "//localhost:7777/test%s/" % char self.fakehttp(b"HTTP/1.1 200 OK\r\n\r\nHello.") try: # urllib quotes the URL so there is no injection. resp = urllib.urlopen("http:" + schemeless_url) self.assertNotIn(char, resp.geturl()) finally: self.unfakehttp() def test_url_with_newline_header_injection_rejected(self): self.fakehttp(b"HTTP/1.1 200 OK\r\n\r\nHello.") host = "localhost:7777?a=1 HTTP/1.1\r\nX-injected: header\r\nTEST: 123" schemeless_url = "//" + host + ":8080/test/?test=a" try: # urllib quotes the URL so there is no injection. resp = urllib.urlopen("http:" + schemeless_url) self.assertNotIn(' ', resp.geturl()) self.assertNotIn('\r', resp.geturl()) self.assertNotIn('\n', resp.geturl()) 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')) # bpo-30500: # starts a fragment. self.assertEqual(splithost('//127.0.0.1#@host.com'), ('127.0.0.1', '/#@host.com')) self.assertEqual(splithost('//127.0.0.1#@host.com:80'), ('127.0.0.1', '/#@host.com:80')) self.assertEqual(splithost('//127.0.0.1:80#@host.com'), ('127.0.0.1:80', '/#@host.com')) # Empty host is returned as empty string. self.assertEqual(splithost("///file"), ('', '/file')) # Trailing semicolon, question mark and hash symbol are kept. self.assertEqual(splithost("//example.net/file;"), ('example.net', '/file;')) self.assertEqual(splithost("//example.net/file?"), ('example.net', '/file?')) self.assertEqual(splithost("//example.net/file#"), ('example.net', '/file#')) 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/") def test_local_file_open(self): # bpo-35907, CVE-2019-9948: urllib must reject local_file:// scheme class DummyURLopener(urllib.URLopener): def open_local_file(self, url): return url for url in ('local_file://example', 'local-file://example'): self.assertRaises(IOError, urllib.urlopen, url) self.assertRaises(IOError, urllib.URLopener().open, url) self.assertRaises(IOError, urllib.URLopener().retrieve, url) self.assertRaises(IOError, DummyURLopener().open, url) self.assertRaises(IOError, DummyURLopener().retrieve, url) # 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()
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