Add test for the number of times passed exceeding the number of times…

… written.

Test/test_python_CMIP6_CV_times_written_exceeded.py

@@ -0,0 +1,82 @@
+# Irf this example is not executed from the directory containing the
+# CMOR code, please first complete the following steps:
+#
+#   1. In any directory, create 'Tables/', 'Test/' and 'CMIP6/' directories.
+#
+#   2. Download
+#      https://github.com/PCMDI/cmor/blob/master/TestTables/CMIP6_Omon.json
+#      and https://github.com/PCMDI/cmor/blob/master/TestTables/CMIP6_CV.json
+#      to the 'Tables/' directory.
+#
+#   3. Download
+#      https://github.com/PCMDI/cmor/blob/master/Test/<filename>.json
+#      to the 'Test/' directory.
+
+import cmor
+import numpy
+import unittest
+import sys
+import os
+import tempfile
+import base_CMIP6_CV
+
+
+class TestCase(base_CMIP6_CV.BaseCVsTest):
+
+    def testCMIP6(self):
+
+        # -------------------------------------------
+        # Try to write data with the number of times passed 
+        # being greater than the length of the time axis
+        # -------------------------------------------
+        try:
+            cmor.setup(inpath='Tables', 
+                       netcdf_file_action=cmor.CMOR_REPLACE, 
+                       logfile=self.tmpfile)
+            cmor.dataset_json("Test/CMOR_input_example.json")
+
+            # ------------------------------------------
+            # load Omon table and create zhalfo variable
+            # ------------------------------------------
+            Time = [0.5, 1.5]
+            bnds_time = [[0, 1], [1, 2]]
+            lon_coords = [0]
+            lat_coords = [80]
+            lon_vertices = [-1, 1]
+            lat_vertices = [79, 81]
+            olev_val = [5000., 3000., 2000., 1000.]
+            olev_bnds = [5000., 3000., 2000., 1000., 0]
+            zhalfo_data = [274., 274., 274., 274.]
+
+            cmor.load_table("CMIP6_Omon.json")
+            itime = cmor.axis(table_entry="time", units='months since 1980',
+                              length=2,
+                              coord_vals=Time,
+                              cell_bounds=bnds_time)
+            ilat  = cmor.axis(table_entry="latitude", units='degrees_north',
+                              coord_vals=lat_coords,
+                              cell_bounds=lat_vertices)
+            ilon  = cmor.axis(table_entry="longitude", units='degrees_east',
+                              coord_vals=lon_coords,
+                              cell_bounds=lon_vertices)
+            idep  = cmor.axis(table_entry="depth_coord_half", units='m',
+                              coord_vals=olev_val,
+                              cell_bounds=olev_bnds)
+            ivar = cmor.variable(
+                table_entry="zhalfo",
+                axis_ids=[itime, ilat, ilon, idep],
+                units='m')
+
+            for _ in range(3):
+                cmor.write(ivar, zhalfo_data, ntimes_passed=1)
+
+            self.delete_files += [cmor.close(ivar, True)]
+            cmor.close()
+        except BaseException:
+            pass
+        self.assertCV('The number of times passed combined with the '
+                      'number of times written must not exceed '
+                      'the length of the time axis')
+
+if __name__ == '__main__':
+    unittest.main()