import pytest

from app.crud.crm.contract import (
    CONTRACT_EDITABLE_STATUSES,
    CONTRACT_NON_EDITABLE_STATUSES,
    assert_contract_editable_for_update,
)


def test_editable_statuses():
    assert CONTRACT_NON_EDITABLE_STATUSES == frozenset({"finished"})
    assert CONTRACT_EDITABLE_STATUSES == frozenset(
        {"draft", "approving", "approved", "executing", "invalid"}
    )
    assert "finished" not in CONTRACT_EDITABLE_STATUSES


def test_assert_allows_editable():
    for s in ("draft", "approving", "approved", "executing", "invalid", None, ""):
        assert_contract_editable_for_update(s)


def test_assert_rejects_non_editable():
    with pytest.raises(ValueError, match="已完成的合同不能修改"):
        assert_contract_editable_for_update("finished")