import pytest

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


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


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


def test_assert_rejects_non_editable():
    for s in ("executing", "finished", "invalid"):
        with pytest.raises(ValueError, match="才能修改"):
            assert_contract_editable_for_update(s)