"""组织树关键词检索：匹配子节点须带上祖先才能组树。"""

from app.crud.dept import _build_tree, _collect_with_ancestors


def _item(dept_id: str, name: str, parent_id: str = "0") -> dict:
    return {
        "id": dept_id,
        "parentId": parent_id,
        "deptName": name,
        "orderNum": 0,
    }


def test_collect_with_ancestors_includes_parent_chain():
    flat = [
        _item("root", "市场营销部门"),
        _item("child", "采集部", "root"),
    ]
    expanded = _collect_with_ancestors(flat, {"child"})
    ids = {x["id"] for x in expanded}
    assert ids == {"root", "child"}


def test_build_tree_shows_child_under_parent_after_keyword_expand():
    flat = [
        _item("root", "市场营销部门"),
        _item("child", "采集部", "root"),
    ]
    expanded = _collect_with_ancestors(flat, {"child"})
    tree = _build_tree(expanded, "0")
    assert len(tree) == 1
    assert tree[0]["deptName"] == "市场营销部门"
    assert len(tree[0]["children"]) == 1
    assert tree[0]["children"][0]["deptName"] == "采集部"