def test_errors(self):
x = ('meter', )
msg = "'meter' is not defined in the unit registry"
self.assertEqual(str(UndefinedUnitError(x)), msg)
self.assertEqual(str(UndefinedUnitError(list(x))), msg)
self.assertEqual(str(UndefinedUnitError(set(x))), msg)
msg = "Cannot convert from 'a' (c) to 'b' (d)msg"
ex = DimensionalityError('a', 'b', 'c', 'd', 'msg')
self.assertEqual(str(ex), msg)
def test_undefined_unit_error_multi(self):
x = ("meter", "kg")
msg = "('meter', 'kg') are not defined in the unit registry"
ex = UndefinedUnitError(x)
assert str(ex) == msg
ex = UndefinedUnitError(list(x))
assert str(ex) == msg
with pytest.raises(PintError):
raise ex
def test_str_errors(self):
self.assertEqual(
str(UndefinedUnitError('rabbits')),
"'{0!s}' is not defined in the unit registry".format('rabbits'))
self.assertEqual(
str(UndefinedUnitError(('rabbits', 'horses'))),
"'{0!s}' are not defined in the unit registry".format(
('rabbits', 'horses')))
self.assertEqual(u(str(DimensionalityError('meter', 'second'))),
"Cannot convert from 'meter' to 'second'")
self.assertEqual(
str(DimensionalityError('meter', 'second', 'length', 'time')),
"Cannot convert from 'meter' (length) to 'second' (time)")
def test_undefined_unit_error(self):
x = ("meter", )
msg = "'meter' is not defined in the unit registry"
ex = UndefinedUnitError(x)
assert str(ex) == msg
ex = UndefinedUnitError(list(x))
assert str(ex) == msg
ex = UndefinedUnitError(set(x))
assert str(ex) == msg
with pytest.raises(PintError):
raise ex
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_undefined_unit_error_multi(self):
x = ("meter", "kg")
msg = "('meter', 'kg') are not defined in the unit registry"
self.assertEqual(str(UndefinedUnitError(x)), msg)
self.assertEqual(str(UndefinedUnitError(list(x))), msg)
def test_undefined_unit_error(self):
x = ("meter", )
msg = "'meter' is not defined in the unit registry"
self.assertEqual(str(UndefinedUnitError(x)), msg)
self.assertEqual(str(UndefinedUnitError(list(x))), msg)
self.assertEqual(str(UndefinedUnitError(set(x))), msg)
def test_undefined_unit_error(self):
x = ("meter", )
msg = "'meter' is not defined in the unit registry"
assert str(UndefinedUnitError(x)) == msg
assert str(UndefinedUnitError(list(x))) == msg
assert str(UndefinedUnitError(set(x))) == msg
