tests: Make sure BGP filters by community lists work with community alias

Signed-off-by: Donatas Abraitis <donatas.abraitis@gmail.com>

2 files changed, 13 insertions, 0 deletions

diff --git a/tests/topotests/bgp_community_alias/r1/bgpd.conf b/tests/topotests/bgp_community_alias/r1/bgpd.conf
index a6366204e8..13b57ad243 100644
--- a/tests/topotests/bgp_community_alias/r1/bgpd.conf
+++ b/tests/topotests/bgp_community_alias/r1/bgpd.conf
@@ -3,6 +3,8 @@ bgp community alias 65001:1 community-r2-1
 bgp community alias 65002:2 community-r2-2
 bgp community alias 65001:1:1 large-community-r2-1
 !
+bgp large-community-list expanded r2 seq 5 permit _65001:1:1_
+!
 router bgp 65001
  no bgp ebgp-requires-policy
  neighbor 192.168.1.2 remote-as external
diff --git a/tests/topotests/bgp_community_alias/test_bgp-community-alias.py b/tests/topotests/bgp_community_alias/test_bgp-community-alias.py
index 6aadff1cfa..26933a7992 100644
--- a/tests/topotests/bgp_community_alias/test_bgp-community-alias.py
+++ b/tests/topotests/bgp_community_alias/test_bgp-community-alias.py
@@ -138,6 +138,17 @@ def test_bgp_community_alias():
     success, result = topotest.run_and_expect(test_func, None, count=60, wait=0.5)
     assert result is None, "Cannot see BGP prefixes by community alias at r1"
 
+    def _bgp_show_prefixes_by_large_community_list(router):
+        output = json.loads(
+            router.vtysh_cmd("show bgp ipv4 unicast large-community-list r2 json")
+        )
+        expected = {"routes": {"172.16.16.1/32": [{"valid": True}]}}
+        return topotest.json_cmp(output, expected)
+
+    test_func = functools.partial(_bgp_show_prefixes_by_large_community_list, router)
+    success, result = topotest.run_and_expect(test_func, None, count=60, wait=0.5)
+    assert result is None, "Cannot see BGP prefixes by large community list at r1"
+
 
 if __name__ == "__main__":
     args = ["-s"] + sys.argv[1:]