smoketest: vlan: T4064: verify IP addresses do not stick after deletion

1 files changed, 35 insertions, 0 deletions

diff --git a/smoketest/scripts/cli/base_interfaces_test.py b/smoketest/scripts/cli/base_interfaces_test.py
index 60cad32bb..a4a3e7f3a 100644
--- a/smoketest/scripts/cli/base_interfaces_test.py
+++ b/smoketest/scripts/cli/base_interfaces_test.py
@@ -300,6 +300,23 @@ class BasicInterfaceTest:
                     self.assertEqual(tmp, self._mtu)
                     self.assertEqual(Interface(vif).get_admin_state(), 'up')
 
+            # T4064: Delete interface addresses, keep VLAN interface
+            for interface in self._interfaces:
+                base = self._base_path + [interface]
+                for vlan in self._vlan_range:
+                    base = self._base_path + [interface, 'vif', vlan]
+                    self.cli_delete(base + ['address'])
+
+            self.cli_commit()
+
+            # Verify no IP address is assigned
+            for interface in self._interfaces:
+                for vlan in self._vlan_range:
+                    vif = f'{intf}.{vlan}'
+                    for address in self._test_addr:
+                        self.assertFalse(is_intf_addr_assigned(vif, address))
+
+
         def test_vif_8021q_mtu_limits(self):
             # XXX: This testcase is not allowed to run as first testcase, reason
             # is the Wireless test will first load the wifi kernel hwsim module
@@ -419,6 +436,24 @@ class BasicInterfaceTest:
                         tmp = read_file(f'/sys/class/net/{vif}/mtu')
                         self.assertEqual(tmp, self._mtu)
 
+
+            # T4064: Delete interface addresses, keep VLAN interface
+            for interface in self._interfaces:
+                base = self._base_path + [interface]
+                for vif_s in self._qinq_range:
+                    for vif_c in self._vlan_range:
+                        self.cli_delete(self._base_path + [interface, 'vif-s', vif_s, 'vif-c', vif_c, 'address'])
+
+            self.cli_commit()
+            # Verify no IP address is assigned
+            for interface in self._interfaces:
+                base = self._base_path + [interface]
+                for vif_s in self._qinq_range:
+                    for vif_c in self._vlan_range:
+                        vif = f'{interface}.{vif_s}.{vif_c}'
+                        for address in self._test_addr:
+                            self.assertFalse(is_intf_addr_assigned(vif, address))
+
             # T3972: remove vif-c interfaces from vif-s
             for interface in self._interfaces:
                 base = self._base_path + [interface]