def test_pickle_definition_syntax_error(self): # OffsetUnitCalculusError raised from a custom ureg must be pickleable even if # the ureg is not registered as the application ureg ureg = UnitRegistry(filename=None) ureg.define("foo = [bar]") ureg.define("bar = 2 foo") q1 = ureg.Quantity("1 foo") q2 = ureg.Quantity("1 bar") for protocol in range(pickle.HIGHEST_PROTOCOL + 1): for ex in [ DefinitionSyntaxError("foo", filename="a.txt", lineno=123), RedefinitionError("foo", "bar"), UndefinedUnitError("meter"), DimensionalityError("a", "b", "c", "d", extra_msg=": msg"), OffsetUnitCalculusError( Quantity("1 kg")._units, Quantity("1 s")._units), OffsetUnitCalculusError(q1._units, q2._units), ]: with self.subTest(protocol=protocol, etype=type(ex)): pik = pickle.dumps(ureg.Quantity("1 foo"), protocol) with self.assertRaises(UndefinedUnitError): pickle.loads(pik) # assert False, ex.__reduce__() ex2 = pickle.loads(pickle.dumps(ex, protocol)) assert type(ex) is type(ex2) self.assertEqual(ex.args, ex2.args) self.assertEqual(ex.__dict__, ex2.__dict__) self.assertEqual(str(ex), str(ex2))
def test_offset_unit_calculus_error(self): ex = OffsetUnitCalculusError(Quantity("1 kg")._units) assert (str( ex) == "Ambiguous operation with offset unit (kilogram). See " + OFFSET_ERROR_DOCS_HTML + " for guidance.") ex = OffsetUnitCalculusError( Quantity("1 kg")._units, Quantity("1 s")._units) assert ( str(ex) == "Ambiguous operation with offset unit (kilogram, second). See " + OFFSET_ERROR_DOCS_HTML + " for guidance.")
def test_offset_unit_calculus_error(self): ex = OffsetUnitCalculusError(Quantity("1 kg")._units) self.assertEqual( str(ex), "Ambiguous operation with offset unit (kilogram). See " "https://pint.readthedocs.io/en/latest/nonmult.html for guidance.", ) ex = OffsetUnitCalculusError(Quantity("1 kg")._units, Quantity("1 s")._units) self.assertEqual( str(ex), "Ambiguous operation with offset unit (kilogram, second). See " "https://pint.readthedocs.io/en/latest/nonmult.html for guidance.", )