116 lines
3.4 KiB
Python
116 lines
3.4 KiB
Python
# Copyright (c) Twisted Matrix Laboratories.
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# See LICENSE for details.
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"""
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Tests for generic file descriptor based reactor support code.
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"""
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from __future__ import division, absolute_import
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from twisted.trial.unittest import TestCase
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from twisted.internet.abstract import isIPAddress
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from socket import AF_IPX
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class AddressTests(TestCase):
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"""
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Tests for address-related functionality.
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"""
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def test_decimalDotted(self):
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"""
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L{isIPAddress} should return C{True} for any decimal dotted
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representation of an IPv4 address.
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"""
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self.assertTrue(isIPAddress('0.1.2.3'))
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self.assertTrue(isIPAddress('252.253.254.255'))
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def test_shortDecimalDotted(self):
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"""
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L{isIPAddress} should return C{False} for a dotted decimal
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representation with fewer or more than four octets.
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"""
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self.assertFalse(isIPAddress('0'))
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self.assertFalse(isIPAddress('0.1'))
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self.assertFalse(isIPAddress('0.1.2'))
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self.assertFalse(isIPAddress('0.1.2.3.4'))
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def test_invalidLetters(self):
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"""
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L{isIPAddress} should return C{False} for any non-decimal dotted
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representation including letters.
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"""
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self.assertFalse(isIPAddress('a.2.3.4'))
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self.assertFalse(isIPAddress('1.b.3.4'))
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def test_invalidPunctuation(self):
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"""
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L{isIPAddress} should return C{False} for a string containing
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strange punctuation.
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"""
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self.assertFalse(isIPAddress(','))
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self.assertFalse(isIPAddress('1,2'))
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self.assertFalse(isIPAddress('1,2,3'))
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self.assertFalse(isIPAddress('1.,.3,4'))
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def test_emptyString(self):
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"""
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L{isIPAddress} should return C{False} for the empty string.
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"""
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self.assertFalse(isIPAddress(''))
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def test_invalidNegative(self):
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"""
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L{isIPAddress} should return C{False} for negative decimal values.
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"""
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self.assertFalse(isIPAddress('-1'))
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self.assertFalse(isIPAddress('1.-2'))
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self.assertFalse(isIPAddress('1.2.-3'))
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self.assertFalse(isIPAddress('1.2.-3.4'))
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def test_invalidPositive(self):
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"""
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L{isIPAddress} should return C{False} for a string containing
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positive decimal values greater than 255.
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"""
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self.assertFalse(isIPAddress('256.0.0.0'))
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self.assertFalse(isIPAddress('0.256.0.0'))
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self.assertFalse(isIPAddress('0.0.256.0'))
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self.assertFalse(isIPAddress('0.0.0.256'))
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self.assertFalse(isIPAddress('256.256.256.256'))
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def test_unicodeAndBytes(self):
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"""
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L{isIPAddress} evaluates ASCII-encoded bytes as well as text.
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"""
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self.assertFalse(isIPAddress(b'256.0.0.0'))
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self.assertFalse(isIPAddress(u'256.0.0.0'))
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self.assertTrue(isIPAddress(b'252.253.254.255'))
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self.assertTrue(isIPAddress(u'252.253.254.255'))
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def test_nonIPAddressFamily(self):
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"""
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All address families other than C{AF_INET} and C{AF_INET6} result in a
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L{ValueError} being raised.
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"""
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self.assertRaises(ValueError, isIPAddress, b'anything', AF_IPX)
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def test_nonASCII(self):
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"""
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All IP addresses must be encodable as ASCII; non-ASCII should result in
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a L{False} result.
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"""
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self.assertFalse(isIPAddress(b'\xff.notascii'))
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self.assertFalse(isIPAddress(u'\u4321.notascii'))
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