def test_zero_entries(self):
fields_def = OrderedDict([('text', {'len': 0}), ('empty', {'len': 0}), ('number', {'len': 6,
'decoder': decode_int,
'encoder': encode_int
})])
fields = {'text': 'testfilename', 'number': 0}
smrtf = SmartFilename(fields, fields_def, ext='.tif', compact=True)
self.assertEqual(str(smrtf), 'testfilename__0.tif')
smrtf_fn = SmartFilename.from_filename('fromfilename__0.tif', fields_def=fields_def, compact=True, convert=True)
self.assertEqual(smrtf_fn['number'], 0)
def test_variable_length_fields(self):
"""
Test if required delimiter for field with variable length is detected.
"""
self.fields_def.update({'variable': {'len': 0, 'delim': ''}})
fields = {'pflag': 'M', 'dtime_1': '20180101120000'}
with self.assertRaises(ValueError):
smrtf = SmartFilename(fields, self.fields_def)
fn = 'M_20180101120000.tif'
with self.assertRaises(ValueError):
smrtf = SmartFilename.from_filename(fn, self.fields_def)