smoketest: arp: add initial testcase for static ARP entries

1 files changed, 88 insertions, 0 deletions

diff --git a/smoketest/scripts/cli/test_protocols_static_arp.py b/smoketest/scripts/cli/test_protocols_static_arp.py
new file mode 100755
index 000000000..6663ade96
--- /dev/null
+++ b/smoketest/scripts/cli/test_protocols_static_arp.py
@@ -0,0 +1,88 @@
+#!/usr/bin/env python3
+#
+# Copyright (C) 2022 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 json
+import unittest
+
+from base_vyostest_shim import VyOSUnitTestSHIM
+
+from vyos.util import cmd
+
+base_path = ['protocols', 'static', 'arp']
+interface = 'eth0'
+address = '192.0.2.1/24'
+
+class TestARP(VyOSUnitTestSHIM.TestCase):
+    @classmethod
+    def setUpClass(cls):
+        super(TestARP, 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)
+
+        # we need a L2 interface with a L3 address to properly configure ARP entries
+        cls.cli_set(cls, ['interfaces', 'ethernet', interface, 'address', address])
+
+    @classmethod
+    def tearDownClass(cls):
+        # cleanuop L2 interface
+        cls.cli_delete(cls, ['interfaces', 'ethernet', interface, 'address', address])
+        cls.cli_commit(cls)
+
+        super(TestARP, cls).tearDownClass()
+
+    def tearDown(self):
+        # delete test config
+        self.cli_delete(base_path)
+        self.cli_commit()
+
+    def test_static_arp(self):
+        test_data = {
+            '192.0.2.10' : { 'lladdr' : '00:01:02:03:04:0a' },
+            '192.0.2.11' : { 'lladdr' : '00:01:02:03:04:0b' },
+            '192.0.2.12' : { 'lladdr' : '00:01:02:03:04:0c' },
+            '192.0.2.13' : { 'lladdr' : '00:01:02:03:04:0d' },
+            '192.0.2.14' : { 'lladdr' : '00:01:02:03:04:0e' },
+            '192.0.2.15' : { 'lladdr' : '00:01:02:03:04:0f' },
+        }
+
+        for host, host_config in test_data.items():
+            self.cli_set(base_path + [host, 'hwaddr', host_config['lladdr']])
+
+        self.cli_commit()
+
+        arp_table = json.loads(cmd('ip -j -4 neigh show'))
+        for host, host_config in test_data.items():
+            # As we search within a list of hosts we need to mark if it was
+            # found or not. This ensures all hosts from test_data are processed
+            found = False
+            for entry in arp_table:
+                # Other ARP entry - not related to this testcase
+                if entry['dst'] not in list(test_data):
+                    continue
+
+                if entry['dst'] == host:
+                    self.assertEqual(entry['lladdr'], host_config['lladdr'])
+                    self.assertEqual(entry['dev'], interface)
+                    found = True
+
+            if found == False:
+                print(entry)
+            self.assertTrue(found)
+
+if __name__ == '__main__':
+    unittest.main(verbosity=2)