104 lines
2.9 KiB
Python
104 lines
2.9 KiB
Python
# Copyright (C) 2012 Nippon Telegraph and Telephone Corporation.
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#
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# Licensed under the Apache License, Version 2.0 (the "License");
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# you may not use this file except in compliance with the License.
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# You may obtain a copy of the License at
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#
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# http://www.apache.org/licenses/LICENSE-2.0
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#
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# Unless required by applicable law or agreed to in writing, software
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# distributed under the License is distributed on an "AS IS" BASIS,
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# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or
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# implied.
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# See the License for the specific language governing permissions and
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# limitations under the License.
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# vim: tabstop=4 shiftwidth=4 softtabstop=4
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import unittest
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import logging
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import six
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import struct
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import netaddr
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from struct import *
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from nose.tools import *
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from ryu.ofproto import ether, inet
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from ryu.lib.packet.ethernet import ethernet
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from ryu.lib.packet.packet import Packet
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from ryu.lib.packet.arp import arp
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from ryu.lib import addrconv
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LOG = logging.getLogger('test_ethernet')
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class Test_ethernet(unittest.TestCase):
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""" Test case for ethernet
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"""
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dst = 'aa:aa:aa:aa:aa:aa'
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src = 'bb:bb:bb:bb:bb:bb'
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ethertype = ether.ETH_TYPE_ARP
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buf = pack(ethernet._PACK_STR,
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addrconv.mac.text_to_bin(dst),
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addrconv.mac.text_to_bin(src), ethertype)
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e = ethernet(dst, src, ethertype)
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def setUp(self):
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pass
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def tearDown(self):
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pass
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def find_protocol(self, pkt, name):
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for p in pkt.protocols:
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if p.protocol_name == name:
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return p
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def test_init(self):
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eq_(self.dst, self.e.dst)
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eq_(self.src, self.e.src)
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eq_(self.ethertype, self.e.ethertype)
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def test_parser(self):
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res, ptype, _ = self.e.parser(self.buf)
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LOG.debug((res, ptype))
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eq_(res.dst, self.dst)
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eq_(res.src, self.src)
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eq_(res.ethertype, self.ethertype)
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eq_(ptype, arp)
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def test_serialize(self):
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data = bytearray()
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prev = None
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buf = self.e.serialize(data, prev)
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fmt = ethernet._PACK_STR
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res = struct.unpack(fmt, buf)
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eq_(res[0], addrconv.mac.text_to_bin(self.dst))
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eq_(res[1], addrconv.mac.text_to_bin(self.src))
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eq_(res[2], self.ethertype)
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@raises(Exception)
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def test_malformed_ethernet(self):
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m_short_buf = self.buf[1:ethernet._MIN_LEN]
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ethernet.parser(m_short_buf)
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def test_default_args(self):
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e = ethernet()
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buf = e.serialize(bytearray(), None)
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res = struct.unpack(e._PACK_STR, six.binary_type(buf))
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eq_(res[0], addrconv.mac.text_to_bin('ff:ff:ff:ff:ff:ff'))
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eq_(res[1], addrconv.mac.text_to_bin('00:00:00:00:00:00'))
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eq_(res[2], ether.ETH_TYPE_IP)
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def test_json(self):
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jsondict = self.e.to_jsondict()
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e = ethernet.from_jsondict(jsondict['ethernet'])
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eq_(str(self.e), str(e))
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