Function test_slots_are_ignored

tests/test_private_attributes.py:217–243

()

def test_slots_are_ignored():
    class Model(BaseModel):
        __slots__ = (
            'foo',
            '_bar',
        )

        def __init__(self):
            super().__init__()
            for attr_ in self.__slots__:
                object.__setattr__(self, attr_, 'spam')

    assert Model.__private_attributes__ == {}
    assert set(Model.__slots__) == {'foo', '_bar'}
    m1 = Model()
    m2 = Model()

    for attr in Model.__slots__:
        assert object.__getattribute__(m1, attr) == 'spam'

    # In v2, you are always allowed to set instance attributes if the name starts with `_`.
    m1._bar = 'not spam'
    assert m1._bar == 'not spam'
    assert m2._bar == 'spam'

    with pytest.raises(ValueError, match='"Model" object has no field "foo"'):
        m1.foo = 'not spam'


def test_default_and_default_factory_used_error():