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# Copyright (c) 2019. Vinci Consulting Corp. All Rights Reserved.
#
# 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 ipaddress
import socket
import unittest
try:
text_type = unicode
except NameError:
text_type = str
from vpp_papi import vpp_format
from parameterized import parameterized
ip4_addr = "1.2.3.4"
ip4_addrn = b"\x01\x02\x03\x04"
ip4_prefix_len = 32
ip4_prefix = "%s/%s" % (ip4_addr, ip4_prefix_len)
ipv4_network = ipaddress.IPv4Network(text_type(ip4_prefix))
ip4_addr_format_vl_api_address_t = {"un": {"ip4": b"\x01\x02\x03\x04"}, "af": 0}
ip4_addr_format_vl_api_prefix_t = {
"address": {"un": {"ip4": b"\x01\x02\x03\x04"}, "af": 0}, # noqa: E127,E501
"len": ip4_prefix_len,
}
ip4_addr_format_vl_api_prefix_packed_t = {
"address": b"\x01\x02\x03\x04",
"len": ip4_prefix_len,
}
ip6_addr = "dead::"
ip6_addrn = b"\xde\xad\x00\x00\x00\x00\x00\x00" b"\x00\x00\x00\x00\x00\x00\x00\x00"
ip6_prefix_len = 127
ip6_prefix = "%s/%s" % (ip6_addr, ip6_prefix_len)
ipv6_network = ipaddress.IPv6Network(text_type(ip6_prefix))
ip6_addr_format_vl_api_address_t = {
"un": {
"ip6": b"\xde\xad\x00\x00"
b"\x00\x00\x00\x00"
b"\x00\x00\x00\x00"
b"\x00\x00\x00\x00"
},
"af": 1,
}
ip6_addr_format_vl_api_prefix_t = {
"address": { # noqa: E127
"af": 1,
"un": {
"ip6": b"\xde\xad\x00\x00"
b"\x00\x00\x00\x00"
b"\x00\x00\x00\x00"
b"\x00\x00\x00\x00"
},
},
"len": ip6_prefix_len,
}
ip6_addr_format_vl_api_prefix_packed_t = {
"address": b"\xde\xad\x00\x00" # noqa: E127,E501
b"\x00\x00\x00\x00"
b"\x00\x00\x00\x00"
b"\x00\x00\x00\x00",
"len": ip6_prefix_len,
}
class TestVppFormat(unittest.TestCase):
def test_format_vl_api_address_t(self):
res = vpp_format.format_vl_api_address_t(ip4_addr)
self.assertEqual(res, ip4_addr_format_vl_api_address_t)
# PY2: raises socket.error
# PY3: raises OSError
with self.assertRaises((TypeError, socket.error, OSError)):
res = vpp_format.format_vl_api_address_t(ip4_addrn)
res = vpp_format.format_vl_api_address_t(ip6_addr)
self.assertEqual(res, ip6_addr_format_vl_api_address_t)
with self.assertRaises(TypeError):
es = vpp_format.format_vl_api_address_t(ip6_addrn)
@parameterized.expand(
[
("ip4 prefix", ip4_prefix, ip4_addr_format_vl_api_prefix_t),
("ip6 prefix", ip6_prefix, ip6_addr_format_vl_api_prefix_t),
("IPv4Network", ipv4_network, ip4_addr_format_vl_api_prefix_t),
("IPv6Network", ipv6_network, ip6_addr_format_vl_api_prefix_t),
]
)
def test_format_vl_api_prefix_t(self, _, arg, expected):
res = vpp_format.format_vl_api_prefix_t(arg)
self.assertEqual(res, expected)
def test_format_vl_api_ip6_prefix_t(self):
res = vpp_format.format_vl_api_ip6_prefix_t(ip6_prefix)
self.assertEqual(res, ip6_addr_format_vl_api_prefix_packed_t)
res = vpp_format.format_vl_api_ip6_prefix_t(ipv6_network)
self.assertEqual(res, ip6_addr_format_vl_api_prefix_packed_t)
def test_format_vl_api_ip4_prefix_t(self):
res = vpp_format.format_vl_api_ip4_prefix_t(ip4_prefix)
self.assertEqual(res, ip4_addr_format_vl_api_prefix_packed_t)
res = vpp_format.format_vl_api_ip4_prefix_t(ipv4_network)
self.assertEqual(res, ip4_addr_format_vl_api_prefix_packed_t)
def test_format_vl_api_ip6_prefix_t_raises(self):
# PY2: raises socket.error
# PY3: raises OSError
with self.assertRaises((socket.error, OSError)):
res = vpp_format.format_vl_api_ip6_prefix_t(ip4_prefix)
def test_format_vl_api_ip4_prefix_t_raises(self):
# PY2: raises socket.error
# PY3: raises OSError
with self.assertRaises((socket.error, OSError)):
res = vpp_format.format_vl_api_ip4_prefix_t(ip6_prefix)
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