Current File : //lib/python3/dist-packages/twisted/internet/test/test_abstract.py
# Copyright (c) Twisted Matrix Laboratories.
# See LICENSE for details.
"""
Tests for L{twisted.internet.abstract}, a collection of APIs for implementing
reactors.
"""
from __future__ import annotations
from twisted.internet.abstract import isIPv6Address
from twisted.trial.unittest import SynchronousTestCase
class IPv6AddressTests(SynchronousTestCase):
"""
Tests for L{isIPv6Address}, a function for determining if a particular
string is an IPv6 address literal.
"""
def test_empty(self) -> None:
"""
The empty string is not an IPv6 address literal.
"""
self.assertFalse(isIPv6Address(""))
def test_colon(self) -> None:
"""
A single C{":"} is not an IPv6 address literal.
"""
self.assertFalse(isIPv6Address(":"))
def test_loopback(self) -> None:
"""
C{"::1"} is the IPv6 loopback address literal.
"""
self.assertTrue(isIPv6Address("::1"))
def test_scopeID(self) -> None:
"""
An otherwise valid IPv6 address literal may also include a C{"%"}
followed by an arbitrary scope identifier.
"""
self.assertTrue(isIPv6Address("fe80::1%eth0"))
self.assertTrue(isIPv6Address("fe80::2%1"))
self.assertTrue(isIPv6Address("fe80::3%en2"))
def test_invalidWithScopeID(self) -> None:
"""
An otherwise invalid IPv6 address literal is still invalid with a
trailing scope identifier.
"""
self.assertFalse(isIPv6Address("%eth0"))
self.assertFalse(isIPv6Address(":%eth0"))
self.assertFalse(isIPv6Address("hello%eth0"))
def test_unicodeAndBytes(self) -> None:
"""
L{isIPv6Address} evaluates ASCII-encoded bytes as well as text.
"""
# the type annotation only supports str, but bytes is supported at
# runtime
self.assertTrue(isIPv6Address(b"fe80::2%1")) # type: ignore[arg-type]
self.assertTrue(isIPv6Address("fe80::2%1"))
self.assertFalse(isIPv6Address("\u4321"))
self.assertFalse(isIPv6Address("hello%eth0"))
self.assertFalse(isIPv6Address(b"hello%eth0")) # type: ignore[arg-type]
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