feat: Add error handling for masking-show command failures

Author: a-spiker

lib/live_cluster/client/node.py

@@ -3389,11 +3389,14 @@ async def info_masking_list_rules(self, namespace=None, set_=None):
         if set_ is not None:
             masking_show_req += "set={};".format(set_)
 
+        resp = await self._info(masking_show_req)
+
+        if resp.startswith("ERROR"):
+            raise ASInfoResponseError("Failed to list masking rules", resp)
+
         return [
             client_util.info_to_dict(v, ";")
-            for v in client_util.info_to_list(
-                await self._info(masking_show_req), delimiter=":"
-            )
+            for v in client_util.info_to_list(resp, delimiter=":")
             if v != ""
         ]
 

test/unit/live_cluster/client/test_node.py

@@ -4597,6 +4597,16 @@ async def test_info_masking_list_rules_empty_response(self):
 
         self.assertEqual(result, [])
 
+    async def test_info_masking_list_rules_error(self):
+        """Test masking rules listing with ERROR response"""
+        self.info_mock.return_value = "ERROR::masking not supported"
+
+        result = await self.node.info_masking_list_rules()
+
+        self.assertIsInstance(result, ASInfoResponseError)
+        self.assertEqual(result.message, "Failed to list masking rules")
+        self.assertEqual(result.response, "masking not supported")
+
 
 class SyscmdTest(unittest.TestCase):
     def setUp(self) -> None: