ifb: T4938: add Python implementation for input function block interfaces

1 files changed, 52 insertions, 0 deletions

diff --git a/smoketest/scripts/cli/test_interfaces_input.py b/smoketest/scripts/cli/test_interfaces_input.py
new file mode 100755
index 000000000..c6d7febec
--- /dev/null
+++ b/smoketest/scripts/cli/test_interfaces_input.py
@@ -0,0 +1,52 @@
+#!/usr/bin/env python3
+#
+# Copyright (C) 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 vyos.util import read_file
+from vyos.ifconfig import Interface
+from base_vyostest_shim import VyOSUnitTestSHIM
+
+base_path = ['interfaces', 'input']
+
+# add a classmethod to setup a temporaray PPPoE server for "proper" validation
+class InputInterfaceTest(VyOSUnitTestSHIM.TestCase):
+    @classmethod
+    def setUpClass(cls):
+        super(InputInterfaceTest, cls).setUpClass()
+
+        cls._interfaces = ['ifb10', 'ifb20', 'ifb30']
+
+    def tearDown(self):
+        self.cli_delete(base_path)
+        self.cli_commit()
+
+    def test_01_description(self):
+        # Check if PPPoE dialer can be configured and runs
+        for interface in self._interfaces:
+            self.cli_set(base_path + [interface, 'description', f'foo-{interface}'])
+
+        # commit changes
+        self.cli_commit()
+
+        # Validate remove interface description "empty"
+        for interface in self._interfaces:
+            tmp = read_file(f'/sys/class/net/{interface}/ifalias')
+            self.assertEqual(tmp, f'foo-{interface}')
+            self.assertEqual(Interface(interface).get_alias(), f'foo-{interface}')
+
+if __name__ == '__main__':
+    unittest.main(verbosity=2)