abb436deb3
This patch also removes some unneeded imported libraries. Story: #2010182 Task: #45863 Change-Id: Ife9d349eb9c92f2a39719e76e82fe20c010fe230
144 lines
4.7 KiB
Python
144 lines
4.7 KiB
Python
# Copyright (C) 2013 Nippon Telegraph and Telephone Corporation.
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# Copyright (C) 2013 YAMAMOTO Takashi <yamamoto at valinux co jp>
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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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import unittest
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import testscenarios
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from os_ken.ofproto import ofproto_v1_2
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from os_ken.ofproto import ofproto_v1_3
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from os_ken.ofproto import ofproto_v1_2_parser
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from os_ken.ofproto import ofproto_v1_3_parser
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from os_ken.lib import addrconv
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from struct import unpack
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def _list_test_cases():
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ofpps = [ofproto_v1_2_parser, ofproto_v1_3_parser]
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cases = []
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for ofpp in ofpps:
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mod = ofpp.__name__.split('.')[-1]
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method_name = 'test_' + mod + '_ofpmatch_compat'
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cases.append({'name': method_name, 'ofpp': ofpp})
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return cases
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class Test_Parser_Compat(testscenarios.WithScenarios, unittest.TestCase):
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scenarios = [(case['name'], case) for case in _list_test_cases()]
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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 test_parser(self):
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self._test(name=self.name, ofpp=self.ofpp)
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def _test(self, name, ofpp):
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ofp = {
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ofproto_v1_2_parser: ofproto_v1_2,
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ofproto_v1_3_parser: ofproto_v1_3,
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}[ofpp]
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in_port = 987654321
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eth_src = 'aa:bb:cc:dd:ee:ff'
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ipv4_src = '192.0.2.9'
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ipv6_src = 'fe80::f00b:a4ff:feef:5d8f'
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old_in_port = in_port
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old_eth_src = addrconv.mac.text_to_bin(eth_src)
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old_ipv4_src = unpack('!I', addrconv.ipv4.text_to_bin(ipv4_src))[0]
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old_ipv6_src = list(unpack('!8H',
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addrconv.ipv6.text_to_bin(ipv6_src)))
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def check(o):
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check_old(o)
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check_new(o)
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def check_old(o):
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# old api
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def get_field(m, t):
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for f in m.fields:
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if isinstance(f, t):
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return f
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get_value = lambda m, t: get_field(m, t).value
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self.assertEqual(get_value(o, ofpp.MTInPort), old_in_port)
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self.assertEqual(get_value(o, ofpp.MTEthSrc), old_eth_src)
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self.assertEqual(get_value(o, ofpp.MTIPV4Src), old_ipv4_src)
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self.assertEqual(get_value(o, ofpp.MTIPv6Src), old_ipv6_src)
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def check_new(o):
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# new api
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self.assertEqual(o['in_port'], in_port)
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self.assertEqual(o['eth_src'], eth_src)
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self.assertEqual(o['ipv4_src'], ipv4_src)
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self.assertEqual(o['ipv6_src'], ipv6_src)
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# ensure that old and new api produces the same thing
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# old api
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old = ofpp.OFPMatch()
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old.set_in_port(old_in_port)
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old.set_dl_src(old_eth_src)
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old.set_ipv4_src(old_ipv4_src)
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old.set_ipv6_src(old_ipv6_src)
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old_buf = bytearray()
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old.serialize(old_buf, 0)
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# note: you can't inspect an object composed with the old set_XXX api
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# before serialize().
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check_old(old)
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# another variant of old api; originally it was intended to be
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# internal but actually used in the field. eg. LINC l2_switch_v1_3.py
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old2 = ofpp.OFPMatch()
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old2.append_field(ofp.OXM_OF_IN_PORT, old_in_port)
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old2.append_field(ofp.OXM_OF_ETH_SRC, old_eth_src)
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old2.append_field(ofp.OXM_OF_IPV4_SRC, old_ipv4_src)
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old2.append_field(ofp.OXM_OF_IPV6_SRC, old_ipv6_src)
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check_old(old2)
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old2_buf = bytearray()
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old2.serialize(old2_buf, 0)
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# new api
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new = ofpp.OFPMatch(in_port=in_port, eth_src=eth_src,
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ipv4_src=ipv4_src, ipv6_src=ipv6_src)
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check_new(new)
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new_buf = bytearray()
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new.serialize(new_buf, 0)
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self.assertEqual(new_buf, old_buf)
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self.assertEqual(new_buf, old2_buf)
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old_jsondict = old.to_jsondict()
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old2_jsondict = old2.to_jsondict()
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new_jsondict = new.to_jsondict()
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self.assertEqual(new_jsondict, old_jsondict)
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self.assertEqual(new_jsondict, old2_jsondict)
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self.assertEqual(str(new), str(old))
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self.assertEqual(str(new), str(old2))
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# a parsed object can be inspected by old and new api
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check(ofpp.OFPMatch.parser(bytes(new_buf), 0))
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check(ofpp.OFPMatch.from_jsondict(list(new_jsondict.values())[0]))
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