563 lines
22 KiB
Python
563 lines
22 KiB
Python
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"""Regresssion tests for urllib"""
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import urllib
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import httplib
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import unittest
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from test import test_support
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import os
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import mimetools
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import tempfile
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import StringIO
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def hexescape(char):
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"""Escape char as RFC 2396 specifies"""
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hex_repr = hex(ord(char))[2:].upper()
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if len(hex_repr) == 1:
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hex_repr = "0%s" % hex_repr
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return "%" + hex_repr
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class urlopen_FileTests(unittest.TestCase):
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"""Test urlopen() opening a temporary file.
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Try to test as much functionality as possible so as to cut down on reliance
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on connecting to the Net for testing.
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"""
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def setUp(self):
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"""Setup of a temp file to use for testing"""
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self.text = "test_urllib: %s\n" % self.__class__.__name__
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FILE = file(test_support.TESTFN, 'wb')
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try:
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FILE.write(self.text)
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finally:
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FILE.close()
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self.pathname = test_support.TESTFN
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self.returned_obj = urllib.urlopen("file:%s" % self.pathname)
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def tearDown(self):
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"""Shut down the open object"""
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self.returned_obj.close()
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os.remove(test_support.TESTFN)
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def test_interface(self):
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# Make sure object returned by urlopen() has the specified methods
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for attr in ("read", "readline", "readlines", "fileno",
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"close", "info", "geturl", "__iter__"):
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self.assert_(hasattr(self.returned_obj, attr),
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"object returned by urlopen() lacks %s attribute" %
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attr)
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def test_read(self):
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self.assertEqual(self.text, self.returned_obj.read())
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def test_readline(self):
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self.assertEqual(self.text, self.returned_obj.readline())
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self.assertEqual('', self.returned_obj.readline(),
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"calling readline() after exhausting the file did not"
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" return an empty string")
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def test_readlines(self):
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lines_list = self.returned_obj.readlines()
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self.assertEqual(len(lines_list), 1,
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"readlines() returned the wrong number of lines")
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self.assertEqual(lines_list[0], self.text,
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"readlines() returned improper text")
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def test_fileno(self):
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file_num = self.returned_obj.fileno()
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# JYTHON - does not apply, since fileno's are not int's
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#self.assert_(isinstance(file_num, int),
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# "fileno() did not return an int")
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self.assertEqual(os.read(file_num, len(self.text)), self.text,
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"Reading on the file descriptor returned by fileno() "
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"did not return the expected text")
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def test_close(self):
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# Test close() by calling it hear and then having it be called again
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# by the tearDown() method for the test
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self.returned_obj.close()
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def test_info(self):
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self.assert_(isinstance(self.returned_obj.info(), mimetools.Message))
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def test_geturl(self):
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self.assertEqual(self.returned_obj.geturl(), self.pathname)
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def test_iter(self):
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# Test iterator
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# Don't need to count number of iterations since test would fail the
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# instant it returned anything beyond the first line from the
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# comparison
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for line in self.returned_obj.__iter__():
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self.assertEqual(line, self.text)
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class urlopen_HttpTests(unittest.TestCase):
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"""Test urlopen() opening a fake http connection."""
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def fakehttp(self, fakedata):
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class FakeSocket(StringIO.StringIO):
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def sendall(self, str): pass
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def makefile(self, mode, name): return self
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def read(self, amt=None):
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if self.closed: return ''
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return StringIO.StringIO.read(self, amt)
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def readline(self, length=None):
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if self.closed: return ''
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return StringIO.StringIO.readline(self, length)
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class FakeHTTPConnection(httplib.HTTPConnection):
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def connect(self):
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self.sock = FakeSocket(fakedata)
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assert httplib.HTTP._connection_class == httplib.HTTPConnection
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httplib.HTTP._connection_class = FakeHTTPConnection
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def unfakehttp(self):
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httplib.HTTP._connection_class = httplib.HTTPConnection
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def test_read(self):
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self.fakehttp('Hello!')
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try:
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fp = urllib.urlopen("http://python.org/")
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self.assertEqual(fp.readline(), 'Hello!')
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self.assertEqual(fp.readline(), '')
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finally:
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self.unfakehttp()
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def test_empty_socket(self):
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"""urlopen() raises IOError if the underlying socket does not send any
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data. (#1680230) """
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self.fakehttp('')
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try:
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self.assertRaises(IOError, urllib.urlopen, 'http://something')
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finally:
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self.unfakehttp()
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class urlretrieve_FileTests(unittest.TestCase):
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"""Test urllib.urlretrieve() on local files"""
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def setUp(self):
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# Create a list of temporary files. Each item in the list is a file
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# name (absolute path or relative to the current working directory).
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# All files in this list will be deleted in the tearDown method. Note,
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# this only helps to makes sure temporary files get deleted, but it
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# does nothing about trying to close files that may still be open. It
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# is the responsibility of the developer to properly close files even
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# when exceptional conditions occur.
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self.tempFiles = []
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# Create a temporary file.
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self.registerFileForCleanUp(test_support.TESTFN)
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self.text = 'testing urllib.urlretrieve'
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try:
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FILE = file(test_support.TESTFN, 'wb')
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FILE.write(self.text)
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FILE.close()
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finally:
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try: FILE.close()
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except: pass
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def tearDown(self):
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# Delete the temporary files.
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for each in self.tempFiles:
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try: os.remove(each)
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except: pass
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def constructLocalFileUrl(self, filePath):
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return "file://%s" % urllib.pathname2url(os.path.abspath(filePath))
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def createNewTempFile(self, data=""):
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"""Creates a new temporary file containing the specified data,
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registers the file for deletion during the test fixture tear down, and
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returns the absolute path of the file."""
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newFd, newFilePath = tempfile.mkstemp()
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try:
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self.registerFileForCleanUp(newFilePath)
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newFile = os.fdopen(newFd, "wb")
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newFile.write(data)
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newFile.close()
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finally:
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try: newFile.close()
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except: pass
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return newFilePath
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def registerFileForCleanUp(self, fileName):
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self.tempFiles.append(fileName)
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def test_basic(self):
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# Make sure that a local file just gets its own location returned and
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# a headers value is returned.
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result = urllib.urlretrieve("file:%s" % test_support.TESTFN)
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self.assertEqual(result[0], test_support.TESTFN)
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self.assert_(isinstance(result[1], mimetools.Message),
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"did not get a mimetools.Message instance as second "
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"returned value")
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def test_copy(self):
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# Test that setting the filename argument works.
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second_temp = "%s.2" % test_support.TESTFN
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self.registerFileForCleanUp(second_temp)
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result = urllib.urlretrieve(self.constructLocalFileUrl(
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test_support.TESTFN), second_temp)
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self.assertEqual(second_temp, result[0])
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self.assert_(os.path.exists(second_temp), "copy of the file was not "
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"made")
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FILE = file(second_temp, 'rb')
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try:
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text = FILE.read()
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FILE.close()
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finally:
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try: FILE.close()
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except: pass
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self.assertEqual(self.text, text)
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def test_reporthook(self):
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# Make sure that the reporthook works.
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def hooktester(count, block_size, total_size, count_holder=[0]):
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self.assert_(isinstance(count, int))
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self.assert_(isinstance(block_size, int))
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self.assert_(isinstance(total_size, int))
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self.assertEqual(count, count_holder[0])
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count_holder[0] = count_holder[0] + 1
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second_temp = "%s.2" % test_support.TESTFN
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self.registerFileForCleanUp(second_temp)
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urllib.urlretrieve(self.constructLocalFileUrl(test_support.TESTFN),
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second_temp, hooktester)
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def test_reporthook_0_bytes(self):
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# Test on zero length file. Should call reporthook only 1 time.
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report = []
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def hooktester(count, block_size, total_size, _report=report):
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_report.append((count, block_size, total_size))
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srcFileName = self.createNewTempFile()
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urllib.urlretrieve(self.constructLocalFileUrl(srcFileName),
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test_support.TESTFN, hooktester)
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self.assertEqual(len(report), 1)
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self.assertEqual(report[0][2], 0)
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def test_reporthook_5_bytes(self):
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# Test on 5 byte file. Should call reporthook only 2 times (once when
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# the "network connection" is established and once when the block is
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# read). Since the block size is 8192 bytes, only one block read is
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# required to read the entire file.
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report = []
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def hooktester(count, block_size, total_size, _report=report):
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_report.append((count, block_size, total_size))
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srcFileName = self.createNewTempFile("x" * 5)
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urllib.urlretrieve(self.constructLocalFileUrl(srcFileName),
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test_support.TESTFN, hooktester)
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self.assertEqual(len(report), 2)
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self.assertEqual(report[0][1], 8192)
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self.assertEqual(report[0][2], 5)
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def test_reporthook_8193_bytes(self):
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# Test on 8193 byte file. Should call reporthook only 3 times (once
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# when the "network connection" is established, once for the next 8192
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# bytes, and once for the last byte).
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report = []
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def hooktester(count, block_size, total_size, _report=report):
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_report.append((count, block_size, total_size))
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srcFileName = self.createNewTempFile("x" * 8193)
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urllib.urlretrieve(self.constructLocalFileUrl(srcFileName),
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test_support.TESTFN, hooktester)
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self.assertEqual(len(report), 3)
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self.assertEqual(report[0][1], 8192)
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self.assertEqual(report[0][2], 8193)
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class QuotingTests(unittest.TestCase):
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"""Tests for urllib.quote() and urllib.quote_plus()
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According to RFC 2396 ("Uniform Resource Identifiers), to escape a
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character you write it as '%' + <2 character US-ASCII hex value>. The Python
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code of ``'%' + hex(ord(<character>))[2:]`` escapes a character properly.
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Case does not matter on the hex letters.
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The various character sets specified are:
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Reserved characters : ";/?:@&=+$,"
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Have special meaning in URIs and must be escaped if not being used for
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their special meaning
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Data characters : letters, digits, and "-_.!~*'()"
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Unreserved and do not need to be escaped; can be, though, if desired
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Control characters : 0x00 - 0x1F, 0x7F
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Have no use in URIs so must be escaped
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space : 0x20
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Must be escaped
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Delimiters : '<>#%"'
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Must be escaped
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Unwise : "{}|\^[]`"
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Must be escaped
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"""
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def test_never_quote(self):
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# Make sure quote() does not quote letters, digits, and "_,.-"
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do_not_quote = '' .join(["ABCDEFGHIJKLMNOPQRSTUVWXYZ",
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"abcdefghijklmnopqrstuvwxyz",
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"0123456789",
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"_.-"])
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result = urllib.quote(do_not_quote)
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self.assertEqual(do_not_quote, result,
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"using quote(): %s != %s" % (do_not_quote, result))
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result = urllib.quote_plus(do_not_quote)
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self.assertEqual(do_not_quote, result,
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"using quote_plus(): %s != %s" % (do_not_quote, result))
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def test_default_safe(self):
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# Test '/' is default value for 'safe' parameter
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self.assertEqual(urllib.quote.func_defaults[0], '/')
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def test_safe(self):
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# Test setting 'safe' parameter does what it should do
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quote_by_default = "<>"
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result = urllib.quote(quote_by_default, safe=quote_by_default)
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self.assertEqual(quote_by_default, result,
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"using quote(): %s != %s" % (quote_by_default, result))
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result = urllib.quote_plus(quote_by_default, safe=quote_by_default)
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self.assertEqual(quote_by_default, result,
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"using quote_plus(): %s != %s" %
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(quote_by_default, result))
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def test_default_quoting(self):
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# Make sure all characters that should be quoted are by default sans
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# space (separate test for that).
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should_quote = [chr(num) for num in range(32)] # For 0x00 - 0x1F
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should_quote.append('<>#%"{}|\^[]`')
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should_quote.append(chr(127)) # For 0x7F
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should_quote = ''.join(should_quote)
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for char in should_quote:
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result = urllib.quote(char)
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self.assertEqual(hexescape(char), result,
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"using quote(): %s should be escaped to %s, not %s" %
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(char, hexescape(char), result))
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result = urllib.quote_plus(char)
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self.assertEqual(hexescape(char), result,
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"using quote_plus(): "
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"%s should be escapes to %s, not %s" %
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(char, hexescape(char), result))
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del should_quote
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partial_quote = "ab[]cd"
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expected = "ab%5B%5Dcd"
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result = urllib.quote(partial_quote)
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self.assertEqual(expected, result,
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"using quote(): %s != %s" % (expected, result))
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self.assertEqual(expected, result,
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"using quote_plus(): %s != %s" % (expected, result))
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def test_quoting_space(self):
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# Make sure quote() and quote_plus() handle spaces as specified in
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# their unique way
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||
|
|
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_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.assert_(expected in 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.assert_(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.assert_(expect in result,
|
||
|
|
"%s not found in %s" % (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))
|
||
|
|
|
||
|
|
|
||
|
|
|
||
|
|
def test_main():
|
||
|
|
test_support.run_unittest(
|
||
|
|
urlopen_FileTests,
|
||
|
|
urlopen_HttpTests,
|
||
|
|
urlretrieve_FileTests,
|
||
|
|
QuotingTests,
|
||
|
|
UnquotingTests,
|
||
|
|
urlencode_Tests,
|
||
|
|
Pathname_Tests
|
||
|
|
)
|
||
|
|
|
||
|
|
|
||
|
|
|
||
|
|
if __name__ == '__main__':
|
||
|
|
test_main()
|