From af8d55ec7bbba4ea08626d6810413e652187955c Mon Sep 17 00:00:00 2001
From: "Jonathan Thorpe (Sony)" <Jonathan.Thorpe@sony.com>
Date: Mon, 18 Dec 2023 16:38:22 +0000
Subject: [PATCH] Guard against missing class properties

---
 nmostesting/suites/IS1201Test.py | 8 ++++++++
 1 file changed, 8 insertions(+)

diff --git a/nmostesting/suites/IS1201Test.py b/nmostesting/suites/IS1201Test.py
index 5cfa2f43..ea7f1d71 100644
--- a/nmostesting/suites/IS1201Test.py
+++ b/nmostesting/suites/IS1201Test.py
@@ -456,6 +456,14 @@ def check_object_properties(self, test, reference_class_descriptor, oid, context
         for class_property in reference_class_descriptor['properties']:
             response = self.get_property(test, oid, class_property.get('id'), context)
 
+            if response is None:
+                # Can't find this property - do we have an ID clash
+                self.device_model_metadata["error"] = True
+                self.device_model_metadata["error_msg"] += \
+                    "Property does not exist - it is possible that the class id for this class is NOT unique? " \
+                    + "classId: " + ".".join(map(str, reference_class_descriptor['classId']))
+                continue
+
             object_property = response["value"]
 
             if class_property["isDeprecated"]: