def test_parse_units(self):
self.sbml_model.setTimeUnits('second')
self.sbml_model.setSubstanceUnits('mole')
self.sbml_model.setExtentUnits('mole')
self.sbml_model.setVolumeUnits('litre')
units = [
unit_registry.parse_units('g'),
unit_registry.parse_units('l'),
unit_registry.parse_units('molecule'),
unit_registry.parse_units('g/l'),
unit_registry.parse_units('g/s'),
unit_registry.parse_units('g/s**2'),
unit_registry.parse_units('g/(l * ms)^2'),
unit_registry.parse_units('gDCW / s'),
]
for unit in units:
LibSbmlInterface.create_unit(unit, self.sbml_model)
exp_units = {
'second': unit_registry.parse_units('second'),
'mole': unit_registry.parse_units('molecule'),
'litre': unit_registry.parse_units('liter'),
'unit_gram_per_liter': units[3],
'unit_gram_per_second': units[4],
'unit_gram_per_second_pow_2': units[5],
'unit_gram_per_liter_pow_2_per_millisecond_pow_2': units[6],
'unit_gDCW_per_second': units[7],
}
parsed_units = LibSbmlInterface.parse_units(self.sbml_model)
self.assertEqual(parsed_units.keys(), exp_units.keys())
for key in exp_units:
self.assertTrue(
are_units_equivalent(parsed_units[key], exp_units[key]),
'{} != {}'.format(str(parsed_units[key]), str(exp_units[key])))
def test_parse_units_error(self):
with self.assertRaisesRegex(LibSbmlError, 'units must be set'):
LibSbmlInterface.parse_units(self.sbml_model)