From 41913f4d1d63ddd39d9125b0140b8a33449c2cfb Mon Sep 17 00:00:00 2001
From: sarthurdev <965089+sarthurdev@users.noreply.github.com>
Date: Tue, 9 Jan 2024 22:48:55 +0100
Subject: dhcp: T5787: Prevent duplicate IP addresses on static mappings

---
 smoketest/scripts/cli/test_service_dhcp-server.py | 7 +++++++
 1 file changed, 7 insertions(+)

(limited to 'smoketest/scripts')

diff --git a/smoketest/scripts/cli/test_service_dhcp-server.py b/smoketest/scripts/cli/test_service_dhcp-server.py
index ef6191fb1..6f24d40ec 100755
--- a/smoketest/scripts/cli/test_service_dhcp-server.py
+++ b/smoketest/scripts/cli/test_service_dhcp-server.py
@@ -375,6 +375,13 @@ class TestServiceDHCPServer(VyOSUnitTestSHIM.TestCase):
             self.cli_commit()
         self.cli_delete(pool + ['static-mapping', 'client1', 'duid'])
 
+        # cannot have mappings with duplicate IP addresses
+        with self.assertRaises(ConfigSessionError):
+            self.cli_set(pool + ['static-mapping', 'dupe1', 'mac', '00:50:00:00:00:01'])
+            self.cli_set(pool + ['static-mapping', 'dupe1', 'ip-address', inc_ip(subnet, 10)])
+            self.cli_commit()
+        self.cli_delete(pool + ['static-mapping', 'dupe1'])
+
         # commit changes
         self.cli_commit()
 
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