tests: Add test case to verify SID delete

Add a new test case that deletes a SID and verifies that only this
SID has been removed from the RIB.

Signed-off-by: Carmine Scarpitta <cscarpit@cisco.com>

diff --git a/tests/topotests/static_srv6_sids/expected_srv6_sids_sid_delete_1.json b/tests/topotests/static_srv6_sids/expected_srv6_sids_sid_delete_1.json
new file mode 100644 (file)
index 0000000..e1a2a16
--- /dev/null
+++ b/tests/topotests/static_srv6_sids/expected_srv6_sids_sid_delete_1.json
@@ -0,0 +1,107 @@
+{
+       "fcbb:bbbb:1:fe10::/64": [
+               {
+                       "prefix": "fcbb:bbbb:1:fe10::/64",
+                       "prefixLen": 64,
+                       "protocol": "static",
+                       "vrfId": 0,
+                       "vrfName": "default",
+                       "selected": true,
+                       "destSelected": true,
+                       "distance": 1,
+                       "metric": 0,
+                       "installed": true,
+                       "table": 254,
+                       "internalStatus": 16,
+                       "internalFlags": 9,
+                       "internalNextHopNum": 1,
+                       "internalNextHopActiveNum": 1,
+                       "nexthops": [
+                               {
+                                       "flags": 3,
+                                       "fib": true,
+                                       "directlyConnected": true,
+                                       "interfaceName": "Vrf10",
+                                       "active": true,
+                                       "weight": 1,
+                                       "seg6local": {
+                                               "action": "End.DT4"
+                                       },
+                                       "seg6localContext": {
+                                               "table": 10
+                                       }
+                               }
+                       ]
+               }
+       ],
+       "fcbb:bbbb:1:fe20::/64": [
+               {
+                       "prefix": "fcbb:bbbb:1:fe20::/64",
+                       "prefixLen": 64,
+                       "protocol": "static",
+                       "vrfId": 0,
+                       "vrfName": "default",
+                       "selected": true,
+                       "destSelected": true,
+                       "distance": 1,
+                       "metric": 0,
+                       "installed": true,
+                       "table": 254,
+                       "internalStatus": 16,
+                       "internalFlags": 9,
+                       "internalNextHopNum": 1,
+                       "internalNextHopActiveNum": 1,
+                       "nexthops": [
+                               {
+                                       "flags": 3,
+                                       "fib": true,
+                                       "directlyConnected": true,
+                                       "interfaceName": "Vrf20",
+                                       "active": true,
+                                       "weight": 1,
+                                       "seg6local": {
+                                               "action": "End.DT6"
+                                       },
+                                       "seg6localContext": {
+                                               "table": 20
+                                       }
+                               }
+                       ]
+               }
+       ],
+       "fcbb:bbbb:1:fe30::/64": [
+               {
+                       "prefix": "fcbb:bbbb:1:fe30::/64",
+                       "prefixLen": 64,
+                       "protocol": "static",
+                       "vrfId": 0,
+                       "vrfName": "default",
+                       "selected": true,
+                       "destSelected": true,
+                       "distance": 1,
+                       "metric": 0,
+                       "installed": true,
+                       "table": 254,
+                       "internalStatus": 16,
+                       "internalFlags": 9,
+                       "internalNextHopNum": 1,
+                       "internalNextHopActiveNum": 1,
+                       "nexthops": [
+                               {
+                                       "flags": 3,
+                                       "fib": true,
+                                       "directlyConnected": true,
+                                       "interfaceName": "Vrf30",
+                                       "active": true,
+                                       "weight": 1,
+                                       "seg6local": {
+                                               "action": "End.DT46"
+                                       },
+                                       "seg6localContext": {
+                                               "table": 30
+                                       }
+                               }
+                       ]
+               }
+       ]
+}
\ No newline at end of file

diff --git a/tests/topotests/static_srv6_sids/test_static_srv6_sids.py b/tests/topotests/static_srv6_sids/test_static_srv6_sids.py
index 453a30af48d060710e82284f5a476f4e0e6fa2c3..8c3236db46637fb8b94316367d6cf2a241665a88 100755 (executable)
--- a/tests/topotests/static_srv6_sids/test_static_srv6_sids.py
+++ b/tests/topotests/static_srv6_sids/test_static_srv6_sids.py
@@ -78,6 +78,61 @@ def test_srv6_static_sids():
     check_srv6_static_sids(router, "expected_srv6_sids.json")
 
 
+def test_srv6_static_sids_sid_delete():
+    """
+    Remove the static SID and verify it gets removed
+    """
+    tgen = get_topogen()
+    if tgen.routers_have_failure():
+        pytest.skip(tgen.errors)
+    router = tgen.gears["r1"]
+
+    def _check_srv6_static_sids(router, expected_route_file):
+        logger.info("checking zebra srv6 static sids")
+        output = json.loads(router.vtysh_cmd("show ipv6 route static json"))
+        expected = open_json_file("{}/{}".format(CWD, expected_route_file))
+        return topotest.json_cmp(output, expected)
+
+    def check_srv6_static_sids(router, expected_file):
+        func = functools.partial(_check_srv6_static_sids, router, expected_file)
+        _, result = topotest.run_and_expect(func, None, count=15, wait=1)
+        assert result is None, "Failed"
+
+    router.vtysh_cmd(
+        """
+        configure terminal
+         segment-routing
+          srv6
+           static-sids
+            no sid fcbb:bbbb:1::/48
+        """
+    )
+
+    # FOR DEVELOPER:
+    # If you want to stop some specific line and start interactive shell,
+    # please use tgen.mininet_cli() to start it.
+
+    logger.info("Test for srv6 sids configuration")
+    check_srv6_static_sids(router, "expected_srv6_sids_sid_delete_1.json")
+
+    router.vtysh_cmd(
+        """
+        configure terminal
+         segment-routing
+          srv6
+           static-sids
+            no sid fcbb:bbbb:1:fe20::/64 locator MAIN behavior uDT6 vrf Vrf20
+        """
+    )
+
+    # FOR DEVELOPER:
+    # If you want to stop some specific line and start interactive shell,
+    # please use tgen.mininet_cli() to start it.
+
+    logger.info("Test for srv6 sids configuration")
+    check_srv6_static_sids(router, "expected_srv6_sids_sid_delete_2.json")
+
+
 if __name__ == "__main__":
     args = ["-s"] + sys.argv[1:]
     sys.exit(pytest.main(args))