fix ValueError in velocity_hourly_timeseries

and update unittest to include this case
fixes #124

Author: mhidas

aodntools/timeseries_products/velocity_hourly_timeseries.py

@@ -54,7 +54,7 @@ def append_resampled_values(nc_cell, ds, slice_start, binning_functions):
     :param binning_functions: list of numpy function names for binning
     :return: end index of the slice
     """
-    df_cell = nc_cell.squeeze().to_dataframe()
+    df_cell = nc_cell.to_dataframe().reset_index().set_index('TIME')
     # shift the index forward 30min to centre the bins on the hour
     df_cell.index = df_cell.index + pd.Timedelta(minutes=30)
 

test_aodntools/timeseries_products/IMOS_ANMN-NRS_ADCP_LAT_LON_DIMS.nc

@@ -75,6 +75,16 @@ def test_all_rejected(self):
         self.assertRaises(NoInputFilesError, velocity_hourly_aggregated, [BAD_FILE], 'NRSROT',
                           input_dir=TEST_ROOT, output_dir='/tmp')
 
+    def test_size1_dimensions(self):
+        input_files = [
+            'IMOS_ANMN-NRS_ADCP_LAT_LON_DIMS.nc',
+            'IMOS_ANMN-NRS_ADCP_SINGLE_TIMESTAMP.nc'
+        ]
+        output_file, bad_files = velocity_hourly_aggregated(input_files, 'NRSROT',
+                                                            input_dir=TEST_ROOT, output_dir='/tmp')
+
+        self.assertEqual(0, len(bad_files))
+
 
 if __name__ == '__main__':
     unittest.main()