from __future__ import annotations

import pytest

from backend.services.operations import get_workbench


class _EmptyResult:
    def mappings(self):
        return self

    def __iter__(self):
        return iter(())


class _EmptySession:
    async def execute(self, *args, **kwargs):
        return _EmptyResult()


@pytest.mark.asyncio
async def test_workbench_returns_empty_role_aware_shape_without_data() -> None:
    data = await get_workbench(
        _EmptySession(),
        _EmptySession(),
        "W" * 26,
        workspace_code="001",
        workspace_name="001",
        role="business_team",
    )

    assert [item["label"] for item in data["kpis"]] == [
        "在管模型",
        "B / C 等级",
        "待处理结果",
        "需主动干预",
        "待我反馈",
        "待阅读报告",
    ]
    assert all(item["value"] == 0 for item in data["kpis"])
    assert data["alerts"] == []
    assert data["todos"] == []
    assert data["watches"] == []
    assert data["activities"] == []