Remove third_party/twisted_8_1

third_party/twisted_8_1/twisted/pair/test/test_ethernet.py

-# Copyright (c) 2001-2004 Twisted Matrix Laboratories.
-# See LICENSE for details.
-
-#
-from twisted.trial import unittest
-
-from twisted.internet import protocol, reactor, error
-from twisted.python import failure, components
-from twisted.pair import ethernet, raw
-from zope.interface import implements
-
-class MyProtocol:
-    implements(raw.IRawPacketProtocol)
-    
-    def __init__(self, expecting):
-        self.expecting = list(expecting)
-
-    def datagramReceived(self, data, **kw):
-        assert self.expecting, 'Got a packet when not expecting anymore.'
-        expect = self.expecting.pop(0)
-        assert expect == (data, kw), \
-               "Expected %r, got %r" % (
-            expect, (data, kw),
-            )
-
-class EthernetTestCase(unittest.TestCase):
-    def testPacketParsing(self):
-        proto = ethernet.EthernetProtocol()
-        p1 = MyProtocol([
-
-            ('foobar', {
-            'partial': 0,
-            'dest': "123456",
-            'source': "987654",
-            'protocol': 0x0800,
-            }),
-
-            ])
-        proto.addProto(0x0800, p1)
-
-        proto.datagramReceived("123456987654\x08\x00foobar",
-                               partial=0)
-
-        assert not p1.expecting, \
-               'Should not expect any more packets, but still want %r' % p1.expecting
-
-
-    def testMultiplePackets(self):
-        proto = ethernet.EthernetProtocol()
-        p1 = MyProtocol([
-
-            ('foobar', {
-            'partial': 0,
-            'dest': "123456",
-            'source': "987654",
-            'protocol': 0x0800,
-            }),
-
-            ('quux', {
-            'partial': 1,
-            'dest': "012345",
-            'source': "abcdef",
-            'protocol': 0x0800,
-            }),
-
-            ])
-        proto.addProto(0x0800, p1)
-
-        proto.datagramReceived("123456987654\x08\x00foobar",
-                               partial=0)
-        proto.datagramReceived("012345abcdef\x08\x00quux",
-                               partial=1)
-
-        assert not p1.expecting, \
-               'Should not expect any more packets, but still want %r' % p1.expecting
-
-
-    def testMultipleSameProtos(self):
-        proto = ethernet.EthernetProtocol()
-        p1 = MyProtocol([
-
-            ('foobar', {
-            'partial': 0,
-            'dest': "123456",
-            'source': "987654",
-            'protocol': 0x0800,
-            }),
-
-            ])
-
-        p2 = MyProtocol([
-
-            ('foobar', {
-            'partial': 0,
-            'dest': "123456",
-            'source': "987654",
-            'protocol': 0x0800,
-            }),
-
-            ])
-
-        proto.addProto(0x0800, p1)
-        proto.addProto(0x0800, p2)
-
-        proto.datagramReceived("123456987654\x08\x00foobar",
-                               partial=0)
-
-        assert not p1.expecting, \
-               'Should not expect any more packets, but still want %r' % p1.expecting
-        assert not p2.expecting, \
-               'Should not expect any more packets, but still want %r' % p2.expecting
-
-    def testWrongProtoNotSeen(self):
-        proto = ethernet.EthernetProtocol()
-        p1 = MyProtocol([])
-        proto.addProto(0x0801, p1)
-
-        proto.datagramReceived("123456987654\x08\x00foobar",
-                               partial=0)
-        proto.datagramReceived("012345abcdef\x08\x00quux",
-                               partial=1)
-
-    def testDemuxing(self):
-        proto = ethernet.EthernetProtocol()
-        p1 = MyProtocol([
-
-            ('foobar', {
-            'partial': 0,
-            'dest': "123456",
-            'source': "987654",
-            'protocol': 0x0800,
-            }),
-
-            ('quux', {
-            'partial': 1,
-            'dest': "012345",
-            'source': "abcdef",
-            'protocol': 0x0800,
-            }),
-
-            ])
-        proto.addProto(0x0800, p1)
-
-        p2 = MyProtocol([
-
-            ('quux', {
-            'partial': 1,
-            'dest': "012345",
-            'source': "abcdef",
-            'protocol': 0x0806,
-            }),
-
-            ('foobar', {
-            'partial': 0,
-            'dest': "123456",
-            'source': "987654",
-            'protocol': 0x0806,
-            }),
-
-            ])
-        proto.addProto(0x0806, p2)
-
-        proto.datagramReceived("123456987654\x08\x00foobar",
-                               partial=0)
-        proto.datagramReceived("012345abcdef\x08\x06quux",
-                               partial=1)
-        proto.datagramReceived("123456987654\x08\x06foobar",
-                               partial=0)
-        proto.datagramReceived("012345abcdef\x08\x00quux",
-                               partial=1)
-
-        assert not p1.expecting, \
-               'Should not expect any more packets, but still want %r' % p1.expecting
-        assert not p2.expecting, \
-               'Should not expect any more packets, but still want %r' % p2.expecting
-
-    def testAddingBadProtos_WrongLevel(self):
-        """Adding a wrong level protocol raises an exception."""
-        e = ethernet.EthernetProtocol()
-        try:
-            e.addProto(42, "silliness")
-        except components.CannotAdapt:
-            pass
-        else:
-            raise AssertionError, 'addProto must raise an exception for bad protocols'
-
-
-    def testAddingBadProtos_TooSmall(self):
-        """Adding a protocol with a negative number raises an exception."""
-        e = ethernet.EthernetProtocol()
-        try:
-            e.addProto(-1, MyProtocol([]))
-        except TypeError, e:
-            if e.args == ('Added protocol must be positive or zero',):
-                pass
-            else:
-                raise
-        else:
-            raise AssertionError, 'addProto must raise an exception for bad protocols'
-
-
-    def testAddingBadProtos_TooBig(self):
-        """Adding a protocol with a number >=2**16 raises an exception."""
-        e = ethernet.EthernetProtocol()
-        try:
-            e.addProto(2**16, MyProtocol([]))
-        except TypeError, e:
-            if e.args == ('Added protocol must fit in 16 bits',):
-                pass
-            else:
-                raise
-        else:
-            raise AssertionError, 'addProto must raise an exception for bad protocols'
-
-    def testAddingBadProtos_TooBig2(self):
-        """Adding a protocol with a number >=2**16 raises an exception."""
-        e = ethernet.EthernetProtocol()
-        try:
-            e.addProto(2**16+1, MyProtocol([]))
-        except TypeError, e:
-            if e.args == ('Added protocol must fit in 16 bits',):
-                pass
-            else:
-                raise
-        else:
-            raise AssertionError, 'addProto must raise an exception for bad protocols'