Ausgabe der neuen DB Einträge

venv/lib/python3.9/site-packages/twisted/test/test_abstract.py

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