smoketest: T5241: re-work netns assertions and provide common utility helper

1 files changed, 83 insertions, 0 deletions

diff --git a/smoketest/scripts/cli/test_netns.py b/smoketest/scripts/cli/test_netns.py
new file mode 100755
index 000000000..fd04dd520
--- /dev/null
+++ b/smoketest/scripts/cli/test_netns.py
@@ -0,0 +1,83 @@
+#!/usr/bin/env python3
+#
+# Copyright (C) 2021-2023 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
+# published by the Free Software Foundation.
+#
+# This program is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+# GNU General Public License for more details.
+#
+# You should have received a copy of the GNU General Public License
+# along with this program.  If not, see <http://www.gnu.org/licenses/>.
+
+import unittest
+
+from base_vyostest_shim import VyOSUnitTestSHIM
+
+from vyos.configsession import ConfigSession
+from vyos.configsession import ConfigSessionError
+from vyos.ifconfig import Interface
+from vyos.ifconfig import Section
+from vyos.utils.process import cmd
+from vyos.utils.network import is_netns_interface
+from vyos.utils.network import get_netns_all
+
+base_path = ['netns']
+interfaces = ['dum10', 'dum12', 'dum50']
+
+class NetNSTest(VyOSUnitTestSHIM.TestCase):
+    def tearDown(self):
+        self.cli_delete(base_path)
+        # commit changes
+        self.cli_commit()
+
+        # There should be no network namespace remaining
+        tmp = cmd('ip netns ls')
+        self.assertFalse(tmp)
+
+        super(NetNSTest, self).tearDown()
+
+    def test_netns_create(self):
+        namespaces = ['mgmt', 'front', 'back']
+        for netns in namespaces:
+            self.cli_set(base_path + ['name', netns])
+
+        # commit changes
+        self.cli_commit()
+
+        # Verify NETNS configuration
+        for netns in namespaces:
+            self.assertIn(netns, get_netns_all())
+
+    def test_netns_interface(self):
+        netns = 'foo'
+        self.cli_set(base_path + ['name', netns])
+
+        # Set
+        for iface in interfaces:
+            self.cli_set(['interfaces', 'dummy', iface, 'netns', netns])
+
+        # commit changes
+        self.cli_commit()
+
+        for interface in interfaces:
+            self.assertTrue(is_netns_interface(interface, netns))
+
+        # Delete
+        for interface in interfaces:
+            self.cli_delete(['interfaces', 'dummy', interface])
+
+        # commit changes
+        self.cli_commit()
+
+        netns_iface_list = cmd(f'sudo ip netns exec {netns} ip link show')
+
+        for interface in interfaces:
+            self.assertFalse(is_netns_interface(interface, netns))
+
+if __name__ == '__main__':
+    unittest.main(verbosity=2)