def test_arealfile(self):
     fname='/vmshare/data/models/xgwvga.pah6oct.pp'
     if os.path.exists(fname):
         r=ch.cdmsHandler(fname)
         #for v in r['variables']: print v
         #for g in r['grids']: print g
         # just finishing is a good enough test of the real file
     else:
         print 'Unable to test real file'
 def test_create_and_readdummyfile(self):
     
     r=ch.makeDummyNC(self.dummy_file)
     self.assertEqual(r,(30,12,4,12))
     
     r=ch.cdmsHandler(self.dummy_file)