tests: Use errno value rather than a specific int

[vpp.git] / test / test_nat44_ed.py

diff --git a/test/test_nat44_ed.py b/test/test_nat44_ed.py
index 323249e..eed89f1 100644 (file)
--- a/test/test_nat44_ed.py
+++ b/test/test_nat44_ed.py
@@ -6,8 +6,8 @@ from random import randint, choice
 
 import re
 import scapy.compat
-from framework import tag_fixme_ubuntu2204, is_distro_ubuntu2204
-from framework import VppTestCase, VppTestRunner, VppLoInterface
+from framework import VppTestCase, VppLoInterface
+from asfframework import VppTestRunner, tag_fixme_ubuntu2204, is_distro_ubuntu2204
 from scapy.data import IP_PROTOS
 from scapy.layers.inet import IP, TCP, UDP, ICMP, GRE
 from scapy.layers.inet import IPerror, TCPerror
@@ -2939,10 +2939,13 @@ class TestNAT44EDMW(TestNAT44ED):
 
         limit = 5
 
-        # 2 interfaces pg0, pg1 (vrf10, limit 1 tcp session)
-        # non existing vrf_id makes process core dump
+        # 2 interfaces pg0, pg1 (vrf10, limit 5 tcp sessions)
         self.vapi.nat44_set_session_limit(session_limit=limit, vrf_id=10)
 
+        # expect error when bad is specified
+        with self.vapi.assert_negative_api_retval():
+            self.vapi.nat44_set_session_limit(session_limit=limit, vrf_id=20)
+
         self.nat_add_inside_interface(inside)
         self.nat_add_inside_interface(inside_vrf10)
         self.nat_add_outside_interface(outside)