def test_not():
assert IsNoneOf is Not
assert [1] == [IsNoneOf(0, 2, GreaterThan(3))]
assert {'a': [None]} == {'a': IsNoneOf(Ellipsis, 0, [])}
assert not [1] == [IsNoneOf(0, 1, 2)]
assert str([Not(0, 1, 2)]) == '[Not(0, 1, 2)]'
def test_is_falsy():
assert [0, False, [], set(), {}, ()] == All(IsFalsy())
assert [1, True, [0], {0}, {'': None}, (0, )] == All(Not(IsFalsy()))
assert str(All(Not(IsFalsy()))) == 'All(Not(IsFalsy()))'
def make_not_one() -> Iterator[Not]:
yield Not(1)
def make_not_or_123() -> Iterator[Not]:
yield Not(Or(EqualTo(1), 2, 3))
def make_not_not_eq_one_eq_two() -> Iterator[Not]:
yield Not(Not(EqualTo(1), EqualTo(2)))
def make_not_not_eq_one() -> Iterator[Not]:
yield Not(Not(EqualTo(1)))
def make_not_ne_one() -> Iterator[Not]:
yield Not(NE(1))