def test_alias(self): # Use load_definitions ureg = UnitRegistry([ "canonical = [] = can = alias1 = alias2\n", # overlapping aliases "@alias canonical = alias2 = alias3\n", # Against another alias "@alias alias3 = alias4\n", ]) # Use define ureg.define("@alias canonical = alias5") # Test that new aliases work # Test that pre-existing aliases and symbol are not eliminated for a in ("can", "alias1", "alias2", "alias3", "alias4", "alias5"): self.assertEqual(ureg.Unit(a), ureg.Unit("canonical")) # Test that aliases defined multiple times are not duplicated self.assertEqual( ureg._units["canonical"].aliases, ("alias1", "alias2", "alias3", "alias4", "alias5"), ) # Define against unknown name self.assertRaises(KeyError, ureg.define, "@alias notexist = something")
def test_base(self): ureg = UnitRegistry(None) ureg.define("meter = [length]") self.assertRaises(DefinitionSyntaxError, ureg.define, "meter = [length]") self.assertRaises(TypeError, ureg.define, list()) ureg.define("degC = kelvin; offset: 273.15")
def test_base(self): ureg = UnitRegistry(None) ureg.define("meter = [length]") with pytest.raises(DefinitionSyntaxError): ureg.define("meter = [length]") with pytest.raises(TypeError): ureg.define(list()) ureg.define("degC = kelvin; offset: 273.15")
def test_base(self): ureg = UnitRegistry(None) ureg.define('meter = [length]') self.assertRaises(ValueError, ureg.define, 'meter = [length]') self.assertRaises(TypeError, ureg.define, list()) x = ureg.define('degC = kelvin; offset: 273.15')
def test_base(self): ureg = UnitRegistry(None) ureg.define('meter = [length]') self.assertRaises(ValueError, ureg.define, 'meter = [length]') self.assertRaises(TypeError, ureg.define, list()) x = ureg.define('degC = kelvin; offset: 273.15')