1 files changed, 142 insertions, 0 deletions
diff --git a/tests/topotests/bgp_default_ipv4_ipv6_unicast/test_bgp-default-ipv4-ipv6-unicast.py b/tests/topotests/bgp_default_ipv4_ipv6_unicast/test_bgp-default-ipv4-ipv6-unicast.py
new file mode 100644
index 0000000000..f9aa94fd14
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+++ b/tests/topotests/bgp_default_ipv4_ipv6_unicast/test_bgp-default-ipv4-ipv6-unicast.py
@@ -0,0 +1,142 @@
+#!/usr/bin/env python
+
+#
+# Copyright (c) 2021 by
+# Donatas Abraitis <donatas.abraitis@gmail.com>
+#
+# Permission to use, copy, modify, and/or distribute this software
+# for any purpose with or without fee is hereby granted, provided
+# that the above copyright notice and this permission notice appear
+# in all copies.
+#
+# THE SOFTWARE IS PROVIDED "AS IS" AND NETDEF DISCLAIMS ALL WARRANTIES
+# WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
+# MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL NETDEF BE LIABLE FOR
+# ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY
+# DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS,
+# WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS
+# ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE
+# OF THIS SOFTWARE.
+#
+
+"""
+Test if `bgp default ipv4-unicast` and `bgp default ipv6-unicast`
+commands work as expected.
+
+STEP 1: 'Check if neighbor 192.168.255.254 is enabled for ipv4 address-family only'
+STEP 2: 'Check if neighbor 192.168.255.254 is enabled for ipv6 address-family only'
+STEP 3: 'Check if neighbor 192.168.255.254 is enabled for ipv4 and ipv6 address-families'
+"""
+
+import os
+import sys
+import json
+import pytest
+import functools
+
+pytestmark = [pytest.mark.bgpd]
+
+CWD = os.path.dirname(os.path.realpath(__file__))
+sys.path.append(os.path.join(CWD, "../"))
+
+# pylint: disable=C0413
+from lib import topotest
+from lib.topogen import Topogen, TopoRouter, get_topogen
+from lib.topolog import logger
+from mininet.topo import Topo
+from lib.common_config import step
+
+
+class TemplateTopo(Topo):
+    def build(self, *_args, **_opts):
+        tgen = get_topogen(self)
+
+        for routern in range(1, 5):
+            tgen.add_router("r{}".format(routern))
+
+        switch = tgen.add_switch("s1")
+        switch.add_link(tgen.gears["r1"])
+        switch.add_link(tgen.gears["r2"])
+        switch.add_link(tgen.gears["r3"])
+        switch.add_link(tgen.gears["r4"])
+
+
+def setup_module(mod):
+    tgen = Topogen(TemplateTopo, mod.__name__)
+    tgen.start_topology()
+
+    router_list = tgen.routers()
+
+    for i, (rname, router) in enumerate(router_list.items(), 1):
+        router.load_config(
+            TopoRouter.RD_ZEBRA, os.path.join(CWD, "{}/zebra.conf".format(rname))
+        )
+        router.load_config(
+            TopoRouter.RD_BGP, os.path.join(CWD, "{}/bgpd.conf".format(rname))
+        )
+
+    tgen.start_router()
+
+
+def teardown_module(mod):
+    tgen = get_topogen()
+    tgen.stop_topology()
+
+
+def test_bgp_default_ipv4_ipv6_unicast():
+    tgen = get_topogen()
+
+    if tgen.routers_have_failure():
+        pytest.skip(tgen.errors)
+
+    step("Check if neighbor 192.168.255.254 is enabled for ipv4 address-family only")
+
+    def _bgp_neighbor_ipv4_af_only():
+        tgen.gears["r1"].vtysh_cmd(
+            "conf t\nrouter bgp\nneighbor 192.168.255.254 remote-as external"
+        )
+
+        output = json.loads(tgen.gears["r1"].vtysh_cmd("show bgp summary json"))
+
+        if "ipv4Unicast" in output and "ipv6Unicast" not in output:
+            return True
+        return False
+
+    assert _bgp_neighbor_ipv4_af_only() == True
+
+    step("Check if neighbor 192.168.255.254 is enabled for ipv6 address-family only")
+
+    def _bgp_neighbor_ipv6_af_only():
+        tgen.gears["r2"].vtysh_cmd(
+            "conf t\nrouter bgp\nneighbor 192.168.255.254 remote-as external"
+        )
+
+        output = json.loads(tgen.gears["r2"].vtysh_cmd("show bgp summary json"))
+
+        if "ipv4Unicast" not in output and "ipv6Unicast" in output:
+            return True
+        return False
+
+    assert _bgp_neighbor_ipv6_af_only() == True
+
+    step(
+        "Check if neighbor 192.168.255.254 is enabled for ipv4 and ipv6 address-families"
+    )
+
+    def _bgp_neighbor_ipv4_and_ipv6_af():
+        tgen.gears["r3"].vtysh_cmd(
+            "conf t\nrouter bgp\nneighbor 192.168.255.254 remote-as external"
+        )
+
+        output = json.loads(tgen.gears["r3"].vtysh_cmd("show bgp summary json"))
+
+        if "ipv4Unicast" in output and "ipv6Unicast" in output:
+            return True
+        return False
+
+    assert _bgp_neighbor_ipv4_and_ipv6_af() == True
+
+
+if __name__ == "__main__":
+    args = ["-s"] + sys.argv[1:]
+    sys.exit(pytest.main(args))