67 lines
2.2 KiB
Python
67 lines
2.2 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 L{twisted.internet.abstract}, a collection of APIs for implementing
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reactors.
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"""
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from __future__ import annotations
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from twisted.internet.abstract import isIPv6Address
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from twisted.trial.unittest import SynchronousTestCase
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class IPv6AddressTests(SynchronousTestCase):
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"""
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Tests for L{isIPv6Address}, a function for determining if a particular
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string is an IPv6 address literal.
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"""
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def test_empty(self) -> None:
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"""
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The empty string is not an IPv6 address literal.
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"""
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self.assertFalse(isIPv6Address(""))
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def test_colon(self) -> None:
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"""
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A single C{":"} is not an IPv6 address literal.
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"""
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self.assertFalse(isIPv6Address(":"))
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def test_loopback(self) -> None:
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"""
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C{"::1"} is the IPv6 loopback address literal.
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"""
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self.assertTrue(isIPv6Address("::1"))
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def test_scopeID(self) -> None:
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"""
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An otherwise valid IPv6 address literal may also include a C{"%"}
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followed by an arbitrary scope identifier.
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"""
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self.assertTrue(isIPv6Address("fe80::1%eth0"))
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self.assertTrue(isIPv6Address("fe80::2%1"))
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self.assertTrue(isIPv6Address("fe80::3%en2"))
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def test_invalidWithScopeID(self) -> None:
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"""
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An otherwise invalid IPv6 address literal is still invalid with a
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trailing scope identifier.
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"""
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self.assertFalse(isIPv6Address("%eth0"))
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self.assertFalse(isIPv6Address(":%eth0"))
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self.assertFalse(isIPv6Address("hello%eth0"))
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def test_unicodeAndBytes(self) -> None:
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"""
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L{isIPv6Address} evaluates ASCII-encoded bytes as well as text.
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"""
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# the type annotation only supports str, but bytes is supported at
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# runtime
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self.assertTrue(isIPv6Address(b"fe80::2%1")) # type: ignore[arg-type]
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self.assertTrue(isIPv6Address("fe80::2%1"))
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self.assertFalse(isIPv6Address("\u4321"))
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self.assertFalse(isIPv6Address("hello%eth0"))
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self.assertFalse(isIPv6Address(b"hello%eth0")) # type: ignore[arg-type]
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