Function module

tests/test_forward_ref.py:47–61

()

def test_forward_ref_auto_update_no_model(create_module):
    @create_module
    def module():
        from typing import Optional

        import pytest

        from pydantic import BaseModel, PydanticUserError

        class Foo(BaseModel):
            a: Optional['Bar'] = None

        with pytest.raises(PydanticUserError, match='`Foo` is not fully defined; you should define `Bar`,'):
            Foo(a={'b': {'a': {}}})

        class Bar(BaseModel):
            b: 'Foo'

    assert module.Bar.__pydantic_complete__ is True
    assert module.Bar.model_fields['b']._complete