"""Owner-label privacy contracts for the DAX lineage read model."""

from __future__ import annotations

from app.domains.data_access.lineage_owners import _owner_label


def test_lineage_owner_label_exposes_name_without_email() -> None:
    assert (
        _owner_label(
            owner_person_id="owner-1",
            display_name="朱晓鹏",
            work_email="xiaopeng.zhu@pingcap.com",
        )
        == "朱晓鹏"
    )


def test_lineage_owner_label_falls_back_to_email_when_name_is_missing() -> None:
    assert (
        _owner_label(
            owner_person_id="owner-1",
            display_name=None,
            work_email="xiaopeng.zhu@pingcap.com",
        )
        == "xiaopeng.zhu@pingcap.com"
    )