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Jython is an implementation of the high-level, dynamic, object-oriented
language Python written in 100% Pure Java, and seamlessly integrated with
the Java platform. It thus allows you to run Python on any Java platform.
"""Regresssion tests for urllib"""
import urllib
import httplib
import unittest
from test import test_support
import os
import mimetools
import tempfile
import StringIO
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
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", "__iter__"):
self.assert_(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()
# JYTHON - does not apply, since fileno's are not int's
#self.assert_(isinstance(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.assert_(isinstance(self.returned_obj.info(), mimetools.Message))
def test_geturl(self):
self.assertEqual(self.returned_obj.geturl(), self.pathname)
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)
class urlopen_HttpTests(unittest.TestCase):
"""Test urlopen() opening a fake http connection."""
def fakehttp(self, fakedata):
class FakeSocket(StringIO.StringIO):
def sendall(self, str): pass
def makefile(self, mode, name): return self
def read(self, amt=None):
if self.closed: return ''
return StringIO.StringIO.read(self, amt)
def readline(self, length=None):
if self.closed: return ''
return StringIO.StringIO.readline(self, length)
class FakeHTTPConnection(httplib.HTTPConnection):
def connect(self):
self.sock = FakeSocket(fakedata)
assert httplib.HTTP._connection_class == httplib.HTTPConnection
httplib.HTTP._connection_class = FakeHTTPConnection
def unfakehttp(self):
httplib.HTTP._connection_class = httplib.HTTPConnection
def test_read(self):
self.fakehttp('Hello!')
try:
fp = urllib.urlopen("http://python.org/")
self.assertEqual(fp.readline(), 'Hello!')
self.assertEqual(fp.readline(), '')
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()
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.assert_(isinstance(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.assert_(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.assert_(isinstance(count, int))
self.assert_(isinstance(block_size, int))
self.assert_(isinstance(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 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())[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))
self.assertEqual(expected, result,
"using quote_plus(): %s != %s" % (expected, result))
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_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()