add ctest for ground-based gnss ipw product

test/CMakeLists.txt

@@ -318,6 +318,7 @@ if( iodaconv_bufr_query_ENABLED )
     testinput/rtma_ADPUPA.prepbufr
     testinput/bufr_ncep_rtma_adpupa.yaml
     testinput/rtma.t00z.adpupa.tm00.bufr_d
+    testinput/obs.20240806T00Z.ipw_gnssgb.ncep.bufr
   )
 
   list( APPEND test_output
@@ -384,6 +385,7 @@ if( iodaconv_bufr_query_ENABLED )
     testoutput/rtma_ru.t0000z.aircar_NC004004.tm00.nc
     testoutput/gdas.t00z.rtma_adpupa.prepbufr.nc
     testoutput/rtma.t00z.adpupa.tm00.nc
+    testoutput/20240805T00Z_PT1M_ipw_gnssgb_ncep.nc
   )
 endif()
 
@@ -1836,6 +1838,15 @@ if(iodaconv_bufr_query_ENABLED)
                             rtma.t00z.adpupa.tm00.nc ${IODA_CONV_COMP_TOL_ZERO}
                     DEPENDS bufr2ioda.x )
 
+  ecbuild_add_test( TARGET  test_iodaconv_bufr_ncep_gpsipw
+                    TYPE    SCRIPT
+                    COMMAND bash
+                    ARGS    ${CMAKE_BINARY_DIR}/bin/iodaconv_comp.sh
+                            netcdf
+                            "${CMAKE_BINARY_DIR}/bin/bufr2ioda.x testinput/bufr_gpsipw.yaml"
+                            20240805T00Z_PT1M_ipw_gnssgb_ncep.nc ${IODA_CONV_COMP_TOL_ZERO}
+                    DEPENDS bufr2ioda.x )
+
 #  FIXME: Greg Thompson
 #  ecbuild_add_test( TARGET  test_iodaconv_bufr_aircar
 #                    TYPE    SCRIPT

test/testinput/bufr_gpsipw.yaml

@@ -0,0 +1,83 @@
+# (C) Copyright 2022 NOAA/NWS/NCEP/EMC
+#
+# This software is licensed under the terms of the Apache Licence Version 2.0
+# which can be obtained at http://www.apache.org/licenses/LICENSE-2.0.
+
+observations:
+  - obs space:
+      name: bufr
+      obsdatain: "./testinput/obs.20240806T00Z.ipw_gnssgb.ncep.bufr"
+
+      exports:
+        variables:
+          # MetaData
+          timestamp:
+            datetime:
+              year: "*/YEAR"
+              month: "*/MNTH"
+              day: "*/DAYS"
+              hour: "*/HOUR"
+              minute: "*/MINU"
+
+          latitude:
+            query: "*/CLATH"
+
+          longitude:
+            query: "*/CLONH"
+
+          stationName:
+            query: "*/STSN"
+
+          heightOfStation:
+            query: "*/SELV"
+
+          # ObsValue
+          precipitableWater:
+            query: "*/TPWT"
+            type: float
+
+    ioda:
+      backend: netcdf
+      obsdataout: "./testrun/20240805T00Z_PT1M_ipw_gnssgb_ncep.nc"
+
+      globals:
+        - name: "platformCommonName"
+          type: string
+          value: "GPSIPW"
+
+        - name: "platformLongDescription"
+          type: string
+          value: "M TYPE 012-003  GPS - Integrated Precipitable Water"
+
+      variables:
+        # MetaData
+        - name: "MetaData/dateTime"
+          source: variables/timestamp
+          longName: "Datetime"
+          units: "seconds since 1970-01-01T00:00:00Z" 
+
+        - name: "MetaData/latitude"
+          source: variables/latitude
+          longName: "Latitude"
+          units: "degree_north"
+          range: [-90, 90]
+
+        - name: "MetaData/longitude"
+          source: variables/longitude
+          longName: "Longitude"
+          units: "degree_east"
+
+        - name: "MetaData/stationIdentification"
+          source: variables/stationName
+          longName: "Station Identification"
+
+        - name: "MetaData/heightOfStation"
+          source: variables/heightOfStation
+          longName: "Height of Station"
+          units: "m"
+
+        # ObsValue
+        - name: "ObsValue/precipitableWater"
+          source: variables/precipitableWater
+          longName: "GPS IPW"
+          units: "kg m-2"