"""``ray_hook`` 中纯逻辑容器与 actor 句柄缓存的行为。"""

from unittest.mock import MagicMock

import pytest

from kilostar.utils.ray_hook import ActorList


def test_actor_list_attribute_set_get_delete():
    actors = ActorList()
    actors.foo = "bar"
    assert actors.foo == "bar"
    del actors.foo
    with pytest.raises(AttributeError):
        _ = actors.foo


def test_actor_list_missing_raises_attribute_error():
    actors = ActorList()
    with pytest.raises(AttributeError):
        _ = actors.not_exist


def test_actor_list_delete_missing_raises_attribute_error():
    actors = ActorList()
    with pytest.raises(AttributeError):
        del actors.not_exist


def test_ray_actor_hook_uses_fake_registry(fake_actors):
    """``ray_actor_hook`` 通过 fake registry 取 actor 并组装成 ActorList。"""
    handle = MagicMock()
    fake_actors.register("postgres_database", handle)

    from kilostar.utils.ray_hook import ray_actor_hook

    actors = ray_actor_hook("postgres_database")
    assert actors.postgres_database is handle


def test_ray_actor_hook_unknown_actor_raises(fake_actors):
    from kilostar.utils.ray_hook import ray_actor_hook

    with pytest.raises(ValueError):
        ray_actor_hook("does_not_exist")