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# Copyright (C) 2013 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.
import unittest
import logging
import inspect
from nose.tools import eq_
from ryu.lib.packet import mpls
LOG = logging.getLogger(__name__)
class Test_mpls(unittest.TestCase):
label = 29
exp = 6
bsb = 1
ttl = 64
mp = mpls.mpls(label, exp, bsb, ttl)
def setUp(self):
pass
def tearDown(self):
pass
def test_to_string(self):
mpls_values = {'label': self.label,
'exp': self.exp,
'bsb': self.bsb,
'ttl': self.ttl}
_mpls_str = ','.join(['%s=%s' % (k, repr(mpls_values[k]))
for k, v in inspect.getmembers(self.mp)
if k in mpls_values])
mpls_str = '%s(%s)' % (mpls.mpls.__name__, _mpls_str)
eq_(str(self.mp), mpls_str)
eq_(repr(self.mp), mpls_str)
def test_json(self):
jsondict = self.mp.to_jsondict()
mp = mpls.mpls.from_jsondict(jsondict['mpls'])
eq_(str(self.mp), str(mp))
def test_label_from_bin_true(self):
mpls_label = 0xfffff
is_bos = True
buf = b'\xff\xff\xf1'
mpls_label_out, is_bos_out = mpls.label_from_bin(buf)
eq_(mpls_label, mpls_label_out)
eq_(is_bos, is_bos_out)
def test_label_from_bin_false(self):
mpls_label = 0xfffff
is_bos = False
buf = b'\xff\xff\xf0'
mpls_label_out, is_bos_out = mpls.label_from_bin(buf)
eq_(mpls_label, mpls_label_out)
eq_(is_bos, is_bos_out)
def test_label_to_bin_true(self):
mpls_label = 0xfffff
is_bos = True
label = b'\xff\xff\xf1'
label_out = mpls.label_to_bin(mpls_label, is_bos)
eq_(label, label_out)
def test_label_to_bin_false(self):
mpls_label = 0xfffff
is_bos = False
label = b'\xff\xff\xf0'
label_out = mpls.label_to_bin(mpls_label, is_bos)
eq_(label, label_out)
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