tests/topotests/bgp_comm_list_delete/test_bgp_comm-list_delete.py

   1 #!/usr/bin/env python
   2
   3 #
   4 # bgp_comm-list_delete.py
   5 # Part of NetDEF Topology Tests
   6 #
   7 # Copyright (c) 2019 by
   8 # Network Device Education Foundation, Inc. ("NetDEF")
   9 #
  10 # Permission to use, copy, modify, and/or distribute this software
  11 # for any purpose with or without fee is hereby granted, provided
  12 # that the above copyright notice and this permission notice appear
  13 # in all copies.
  14 #
  15 # THE SOFTWARE IS PROVIDED "AS IS" AND NETDEF DISCLAIMS ALL WARRANTIES
  16 # WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
  17 # MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL NETDEF BE LIABLE FOR
  18 # ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY
  19 # DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS,
  20 # WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS
  21 # ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE
  22 # OF THIS SOFTWARE.
  23 #
  24
  25 """
  26 bgp_comm-list_delete.py:
  27
  28 Test if works the following commands:
  29 route-map test permit 10
  30   set comm-list <arg> delete
  31 """
  32
  33 import os
  34 import sys
  35 import json
  36 import pytest
  37 import functools
  38
  39 CWD = os.path.dirname(os.path.realpath(__file__))
  40 sys.path.append(os.path.join(CWD, "../"))
  41
  42 # pylint: disable=C0413
  43 from lib import topotest
  44 from lib.topogen import Topogen, TopoRouter, get_topogen
  45
  46 pytestmark = [pytest.mark.bgpd]
  47
  48
  49 def build_topo(tgen):
  50     for routern in range(1, 3):
  51         tgen.add_router("r{}".format(routern))
  52
  53     switch = tgen.add_switch("s1")
  54     switch.add_link(tgen.gears["r1"])
  55     switch.add_link(tgen.gears["r2"])
  56
  57
  58 def setup_module(mod):
  59     tgen = Topogen(build_topo, mod.__name__)
  60     tgen.start_topology()
  61
  62     router_list = tgen.routers()
  63
  64     for i, (rname, router) in enumerate(router_list.items(), 1):
  65         router.load_config(
  66             TopoRouter.RD_ZEBRA, os.path.join(CWD, "{}/zebra.conf".format(rname))
  67         )
  68         router.load_config(
  69             TopoRouter.RD_BGP, os.path.join(CWD, "{}/bgpd.conf".format(rname))
  70         )
  71
  72     tgen.start_router()
  73
  74
  75 def teardown_module(mod):
  76     tgen = get_topogen()
  77     tgen.stop_topology()
  78
  79
  80 def test_bgp_maximum_prefix_invalid():
  81     tgen = get_topogen()
  82
  83     if tgen.routers_have_failure():
  84         pytest.skip(tgen.errors)
  85
  86     r2 = tgen.gears["r2"]
  87
  88     def _bgp_converge():
  89         output = json.loads(r2.vtysh_cmd("show ip bgp neighbor 192.168.255.1 json"))
  90         expected = {
  91             "192.168.255.1": {
  92                 "bgpState": "Established",
  93                 "addressFamilyInfo": {
  94                     "ipv4Unicast": {
  95                         "acceptedPrefixCounter": 2,
  96                     }
  97                 },
  98             }
  99         }
 100         return topotest.json_cmp(output, expected)
 101
 102     test_func = functools.partial(_bgp_converge)
 103     _, result = topotest.run_and_expect(test_func, None, count=60, wait=0.5)
 104     assert result is None, "Can't converge initially"
 105
 106     def _bgp_comm_list_delete():
 107         output = json.loads(r2.vtysh_cmd("show ip bgp 172.16.255.254/32 json"))
 108         expected = {"paths": [{"community": {"list": ["333:333"]}}]}
 109         return topotest.json_cmp(output, expected)
 110
 111     test_func = functools.partial(_bgp_comm_list_delete)
 112     _, result = topotest.run_and_expect(test_func, not None, count=60, wait=0.5)
 113     assert result is not None, "333:333 community SHOULD be stripped from r1"
 114
 115
 116 if __name__ == "__main__":
 117     args = ["-s"] + sys.argv[1:]
 118     sys.exit(pytest.main(args))