smoketest: T5783: check for any abnormal daemon termination

We need to ensure when stressing FRR with the smoketests that no unexpected
crash happens. We simply verify the PID of the individual FRR daemons.

(cherry picked from commit 080e117884196136cd63e5d312ff43fba15f7182)

1 files changed, 22 insertions, 7 deletions

diff --git a/smoketest/scripts/cli/test_protocols_igmp-proxy.py b/smoketest/scripts/cli/test_protocols_igmp-proxy.py
index a75003b12..df10442ea 100755
--- a/smoketest/scripts/cli/test_protocols_igmp-proxy.py
+++ b/smoketest/scripts/cli/test_protocols_igmp-proxy.py
@@ -1,6 +1,6 @@
 #!/usr/bin/env python3
 #
-# Copyright (C) 2019-2020 VyOS maintainers and contributors
+# Copyright (C) 2019-2023 VyOS maintainers and contributors
 #
 # This program is free software; you can redistribute it and/or modify
 # it under the terms of the GNU General Public License version 2 or later as
@@ -29,14 +29,32 @@ upstream_if = 'eth1'
 downstream_if = 'eth2'
 
 class TestProtocolsIGMPProxy(VyOSUnitTestSHIM.TestCase):
-    def setUp(self):
-        self.cli_set(['interfaces', 'ethernet', upstream_if, 'address', '172.16.1.1/24'])
+    @classmethod
+    def setUpClass(cls):
+        # call base-classes classmethod
+        super(TestProtocolsIGMPProxy, cls).setUpClass()
+        # ensure we can also run this test on a live system - so lets clean
+        # out the current configuration :)
+        cls.cli_delete(cls, base_path)
+        cls.cli_set(cls, ['interfaces', 'ethernet', upstream_if, 'address', '172.16.1.1/24'])
+
+    @classmethod
+    def tearDownClass(cls):
+        cls.cli_delete(cls, ['interfaces', 'ethernet', upstream_if, 'address'])
+
+        # call base-classes classmethod
+        super(TestProtocolsIGMPProxy, cls).tearDownClass()
 
     def tearDown(self):
-        self.cli_delete(['interfaces', 'ethernet', upstream_if, 'address'])
+        # Check for running process
+        self.assertTrue(process_named_running(PROCESS_NAME))
+
         self.cli_delete(base_path)
         self.cli_commit()
 
+        # Check for no longer running process
+        self.assertFalse(process_named_running(PROCESS_NAME))
+
     def test_igmpproxy(self):
         threshold = '20'
         altnet = '192.0.2.0/24'
@@ -74,8 +92,5 @@ class TestProtocolsIGMPProxy(VyOSUnitTestSHIM.TestCase):
         self.assertIn(f'whitelist {whitelist}', config)
         self.assertIn(f'phyint {downstream_if} downstream ratelimit 0 threshold 1', config)
 
-        # Check for running process
-        self.assertTrue(process_named_running(PROCESS_NAME))
-
 if __name__ == '__main__':
     unittest.main(verbosity=2)