[uss_qualifier/resources/f3548/dss/get_op_intent_telemetry] Use Query…

…Error for error handling (#499)

monitoring/uss_qualifier/resources/astm/f3548/v21/dss.py

@@ -221,6 +221,13 @@ def get_op_intent_telemetry(
         op_intent_ref: OperationalIntentReference,
         uss_participant_id: Optional[str] = None,
     ) -> Tuple[Optional[VehicleTelemetry], Query]:
+        """
+        Get telemetry of an operational intent.
+        Returns:
+            VehicleTelemetry if available, None otherwise
+        Raises:
+            * QueryError: if request failed, if HTTP status code is different than 200, or if the parsing of the response failed.
+        """
         self._uses_scope(Scope.ConformanceMonitoringForSituationalAwareness)
         op = OPERATIONS[OperationID.GetOperationalIntentTelemetry]
         query = query_and_describe(
@@ -231,14 +238,16 @@ def get_op_intent_telemetry(
             uss_participant_id,
             scope=Scope.ConformanceMonitoringForSituationalAwareness,
         )
-        if query.status_code == 200:
-            result: GetOperationalIntentTelemetryResponse = ImplicitDict.parse(
-                query.response.json, GetOperationalIntentTelemetryResponse
+        if query.status_code == 412:
+            return None, query
+        elif query.status_code != 200:
+            raise QueryError(
+                f"Received code {query.status_code} when attempting to retrieval operational intent telemetry for {op_intent_ref.id}",
+                query,
             )
-            telemetry = result.telemetry if "telemetry" in result else None
-            return telemetry, query
         else:
-            return None, query
+            result = query.parse_json_result(GetOperationalIntentTelemetryResponse)
+            return result.telemetry, query
 
     def put_op_intent(
         self,

monitoring/uss_qualifier/scenarios/astm/utm/test_steps.py

@@ -449,20 +449,21 @@ def _check_op_intent_details(
                 )
 
     def _check_op_intent_telemetry(self, oi_ref: OperationalIntentReference):
-        oi_tel, oi_tel_query = self._dss.get_op_intent_telemetry(
-            oi_ref, self._flight_planner.participant_id
-        )
-        self._scenario.record_query(oi_tel_query)
-
         with self._scenario.check(
             "Operational intent telemetry retrievable",
             [self._flight_planner.participant_id],
         ) as check:
-            if oi_tel_query.status_code not in {200, 412}:
+            try:
+                oi_tel, oi_tel_query = self._dss.get_op_intent_telemetry(
+                    oi_ref, self._flight_planner.participant_id
+                )
+                self._scenario.record_query(oi_tel_query)
+            except fetch.QueryError as e:
+                self._scenario.record_queries(e.queries)
+                oi_tel_query = e.queries[0]
                 check.record_failed(
                     summary="Operational intent telemetry could not be retrieved from USS",
-                    severity=Severity.High,
-                    details=f"Received status code {oi_tel_query.status_code} from {self._flight_planner.participant_id} when querying for telemetry of operational intent {oi_ref.id}",
+                    details=f"Received status code {oi_tel_query.status_code} from {self._flight_planner.participant_id} when querying for telemetry of operational intent {oi_ref.id}; {e}",
                     query_timestamps=[oi_tel_query.request.timestamp],
                 )