Added test for missing data in get_bufr

- Ensure get_bufr_variables raises AttributeError when station dimensions are missing

src/pypromice/postprocess/get_bufr.py

@@ -530,7 +530,13 @@ def get_bufr_variables(
     station_configuration: StationConfiguration,
 ) -> BUFRVariables:
     """
-    Helper function for converting our  variables to the variables needed for bufr export.
+    Helper function for converting our variables to the variables needed for bufr export.
+
+    Raises AttributeError if station_configuration dont have the minimum dimension fields since they are required to determine barometer heights.
+    * height_of_gps_from_station_ground
+    * barometer_from_gps
+
+
 
     Parameters
     ----------
@@ -544,41 +550,34 @@ def get_bufr_variables(
     BUFRVariables used by bufr_utilities
 
     """
+
     if station_configuration.height_of_gps_from_station_ground is None:
-        heightOfStationGroundAboveMeanSeaLevel = np.nan
-    else:
-        heightOfStationGroundAboveMeanSeaLevel = (
-            data["gps_alt_fit"]
-            - station_configuration.height_of_gps_from_station_ground
+        raise AttributeError(
+            "height_of_gps_from_station_ground is required for BUFR export"
         )
+    if station_configuration.barometer_from_gps is None:
+        raise AttributeError("barometer_from_gps is required for BUFR export")
+
+    heightOfStationGroundAboveMeanSeaLevel = (
+        data["gps_alt_fit"] - station_configuration.height_of_gps_from_station_ground
+    )
+
+    heightOfBarometerAboveMeanSeaLevel = (
+        data["gps_alt_fit"] + station_configuration.barometer_from_gps
+    )
 
-    # TODO: Consider to use dynamic height of sensor above ground based in sonic ranger
-    # heightOfSensorAboveLocalGroundOrDeckOfMarinePlatformTempRH = (
-    #         data["z_boom_u_smooth"]+ station_configuration.temperature_from_sonic_ranger
-    # )
     heightOfSensorAboveLocalGroundOrDeckOfMarinePlatformTempRH = (
         station_configuration.temperature_from_station_ground
     )
     if heightOfSensorAboveLocalGroundOrDeckOfMarinePlatformTempRH is None:
         heightOfSensorAboveLocalGroundOrDeckOfMarinePlatformTempRH = np.nan
 
-    # TODO: Consider to use dynamic height of sensor above ground based in sonic ranger
-    # heightOfSensorAboveLocalGroundOrDeckOfMarinePlatformWSPD = (
-    #         data["z_boom_u_smooth"] + station_configuration.anemometer_from_sonic_ranger
-    # )
     heightOfSensorAboveLocalGroundOrDeckOfMarinePlatformWSPD = (
         station_configuration.anemometer_from_station_ground
     )
     if heightOfSensorAboveLocalGroundOrDeckOfMarinePlatformWSPD is None:
         heightOfSensorAboveLocalGroundOrDeckOfMarinePlatformWSPD = np.nan
 
-    if station_configuration.barometer_from_gps is None:
-        heightOfBarometerAboveMeanSeaLevel = np.nan
-    else:
-        heightOfBarometerAboveMeanSeaLevel = (
-            data["gps_alt_fit"] + station_configuration.barometer_from_gps
-        )
-
     output_row = BUFRVariables(
         wmo_id=station_configuration.wmo_id,
         station_type=station_configuration.station_type,

src/pypromice/test/bufr_export/test_get_bufr.py

@@ -199,7 +199,10 @@ def test_bufr_variables_promice_v3(self):
             heightOfBarometerAboveMeanSeaLevel=2126,
         )
 
-    def test_none_values_in_config(self):
+    def test_fails_on_missing_dimension_values(self):
+        """
+        Test that get_bufr_variables raises an AttributeError if the data is missing
+        """
         timestamp = datetime.datetime.now()
         data = pd.Series(
             data=dict(
@@ -220,36 +223,14 @@ def test_none_values_in_config(self):
             stid="A_STID",
             station_type="land",
             wmo_id="4201",
-            barometer_from_gps=0.2,
-            anemometer_from_sonic_ranger=0.1,
-            temperature_from_sonic_ranger=1.3,
-            height_of_gps_from_station_ground=2.1,
-        )
-
-        output = get_bufr_variables(
-            data,
-            station_configuration=station_config,
+            export_bufr=True,
         )
 
-        self.assertEqual(
-            BUFRVariables(
-                wmo_id=station_config.wmo_id,
-                station_type=station_config.station_type,
-                timestamp=timestamp,
-                relativeHumidity=1.0,
-                airTemperature=252.2,  # Converted to kelvin
-                pressure=199300.0,
-                windDirection=32.0,
-                windSpeed=5.3,
-                latitude=66.0,
-                longitude=-46.0,
-                heightOfStationGroundAboveMeanSeaLevel=1091.9,
-                heightOfBarometerAboveMeanSeaLevel=1094.2,
-                heightOfSensorAboveLocalGroundOrDeckOfMarinePlatformTempRH=3.4,
-                heightOfSensorAboveLocalGroundOrDeckOfMarinePlatformWSPD=2.2,
-            ),
-            output,
-        )
+        with self.assertRaises(AttributeError) as context:
+            get_bufr_variables(
+                data,
+                station_configuration=station_config,
+            )
 
     @mock.patch("pypromice.postprocess.get_bufr.write_bufr_message")
     def _test_bufr_variables(