tests: Check if match ipv6 address [prefix-list] CMDs work for ripng

Signed-off-by: Donatas Abraitis <donatas@opensourcerouting.org>

tests/topotests/ripng_route_map/r1/frr.conf

@@ -0,0 +1,21 @@
+!
+int r1-eth0
+ ipv6 address 2001:db8::1/64
+!
+router ripng
+ network 2001:db8::/64
+ route-map rmap in r1-eth0
+ timers basic 5 15 10
+exit
+!
+ipv6 access-list r2 seq 5 permit 2001:db8:2::/64
+!
+ipv6 prefix-list r3 seq 5 permit 2001:db8:3::/64
+!
+route-map rmap permit 10
+ match ipv6 address r2
+ set metric 12
+route-map rmap permit 20
+ match ipv6 address prefix-list r3
+ set metric 13
+exit

tests/topotests/ripng_route_map/r2/frr.conf

@@ -0,0 +1,14 @@
+!
+int lo
+ ipv6 address 2001:db8:2::1/64
+!
+int r2-eth0
+ ipv6 address 2001:db8::2/64
+!
+router ripng
+ redistribute connected
+ network 2001:db8::/64
+ network 2001:db8:2::1/64
+ timers basic 5 15 10
+exit
+

tests/topotests/ripng_route_map/r3/frr.conf

@@ -0,0 +1,14 @@
+!
+int lo
+ ipv6 address 2001:db8:3::1/64
+!
+int r3-eth0
+ ipv6 address 2001:db8::3/64
+!
+router ripng
+ redistribute connected
+ network 2001:db8::/64
+ network 2001:db8:3::1/64
+ timers basic 5 15 10
+exit
+

tests/topotests/ripng_route_map/test_ripng_route_map.py

@@ -0,0 +1,79 @@
+#!/usr/bin/env python
+# SPDX-License-Identifier: ISC
+
+# Copyright (c) 2023 by
+# Donatas Abraitis <donatas@opensourcerouting.org>
+#
+
+"""
+Test if route-map for ripng basic functionality works.
+"""
+
+import os
+import sys
+import json
+import pytest
+import functools
+
+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.common_config import step
+
+pytestmark = [pytest.mark.ripngd]
+
+
+def setup_module(mod):
+    topodef = {"s1": ("r1", "r2", "r3")}
+    tgen = Topogen(topodef, mod.__name__)
+    tgen.start_topology()
+
+    router_list = tgen.routers()
+
+    for _, (rname, router) in enumerate(router_list.items(), 1):
+        router.load_frr_config(os.path.join(CWD, "{}/frr.conf".format(rname)))
+
+    tgen.start_router()
+
+
+def teardown_module(mod):
+    tgen = get_topogen()
+    tgen.stop_topology()
+
+
+def test_ripng_route_map():
+    tgen = get_topogen()
+
+    if tgen.routers_have_failure():
+        pytest.skip(tgen.errors)
+
+    r1 = tgen.gears["r1"]
+    r2 = tgen.gears["r2"]
+
+    def _show_routes(nh_num):
+        output = json.loads(r1.vtysh_cmd("show ipv6 route ripng json"))
+        expected = {
+            "2001:db8:2::/64": [
+                {
+                    "metric": 13,
+                }
+            ],
+            "2001:db8:3::/64": [
+                {
+                    "metric": 14,
+                }
+            ],
+        }
+        return topotest.json_cmp(output, expected)
+
+    test_func = functools.partial(_show_routes, 2)
+    _, result = topotest.run_and_expect(test_func, None, count=30, wait=1)
+    assert result is None, "Got routes, but metric is not set as expected"
+
+
+if __name__ == "__main__":
+    args = ["-s"] + sys.argv[1:]
+    sys.exit(pytest.main(args))