Function test_private_attribute_annotation

tests/test_private_attributes.py:133–161

()

def test_private_attribute_annotation():
    class Model(BaseModel):
        """The best model"""

        _foo: str

    assert Model.__private_attributes__ == {'_foo': PrivateAttr(PydanticUndefined)}
    assert repr(Model.__doc__) == "'The best model'"

    m = Model()
    with pytest.raises(AttributeError):
        m._foo

    m._foo = '123'
    assert m._foo == '123'

    m._foo = None
    assert m._foo is None

    del m._foo

    with pytest.raises(AttributeError):
        m._foo

    m._foo = '123'
    assert m._foo == '123'

    assert m.model_dump() == {}
    assert m.__dict__ == {}


def test_underscore_attrs_are_private():