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# Copyright (C) 2016 Nippon Telegraph and Telephone Corporation.
#
# Licensed under the Apache License, Version 2.0 (the "License");
# you may not use this file except in compliance with the License.
# You may obtain a copy of the License at
#
# http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS,
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or
# implied.
# See the License for the specific language governing permissions and
# limitations under the License.
from __future__ import print_function
import logging
import os
import sys
import unittest
from nose.tools import eq_
from nose.tools import ok_
from ryu.lib import pcaplib
from ryu.lib.packet import geneve
from ryu.lib.packet import packet
from ryu.utils import binary_str
LOG = logging.getLogger(__name__)
GENEVE_DATA_DIR = os.path.join(
os.path.dirname(sys.modules[__name__].__file__),
'../../packet_data/pcap/')
class Test_geneve(unittest.TestCase):
"""
Test case for ryu.lib.packet.geneve.
"""
def test_parser(self):
files = [
'geneve_unknown',
]
for f in files:
# print('*** testing %s ...' % f)
for _, buf in pcaplib.Reader(
open(GENEVE_DATA_DIR + f + '.pcap', 'rb')):
# Checks if message can be parsed as expected.
pkt = packet.Packet(buf)
geneve_pkt = pkt.get_protocol(geneve.geneve)
ok_(isinstance(geneve_pkt, geneve.geneve),
'Failed to parse Geneve message: %s' % pkt)
# Checks if message can be serialized as expected.
pkt.serialize()
eq_(buf, pkt.data,
"b'%s' != b'%s'" % (binary_str(buf), binary_str(pkt.data)))
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