73 lines
2.9 KiB
Python
73 lines
2.9 KiB
Python
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"""审批与方案版本化的纯函数单元测试（秒级，无需容器）。
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守的是「方案内容是否真的变了」这一判定（``business_service._plan_changed``）：
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它决定要不要新增一个方案版本行、要不要重提审批单。判错的后果是双向的——
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判成「变了」会刷出版本与审批留痕噪音，判成「没变」会让改过的方案
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沿用旧版本号，版本语义失真。
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比较口径是**集合**（人员 ID + 其比例），与提交顺序无关：用户只是把行
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拖了个序，不该被算成方案变了。
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"""
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from decimal import Decimal
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import pytest
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from app.models.business import SecondaryAllocation
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from app.services.business_service import _plan_changed
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def _row(personnel_id: int, ratio: str) -> SecondaryAllocation:
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"""构造一个未入库的方案行（ORM 实例化不触数据库）。"""
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return SecondaryAllocation(
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business_id=1,
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version_no=1,
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personnel_id=personnel_id,
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personnel_name=f"t_人员{personnel_id}",
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ratio=Decimal(ratio),
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is_active=1,
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)
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class TestPlanChanged:
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"""方案内容比较。"""
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def test_完全相同_判未变(self) -> None:
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old = [_row(1, "50.00"), _row(2, "30.00")]
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new = [_row(1, "50.00"), _row(2, "30.00")]
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assert _plan_changed(old, new) is False
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def test_顺序不同_判未变(self) -> None:
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"""用户只是把行拖了个序 —— 送审快照按库内生效行顺序生成，
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按顺序比较会把这种编辑误判成「方案变了」。"""
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old = [_row(1, "50.00"), _row(2, "30.00")]
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new = [_row(2, "30.00"), _row(1, "50.00")]
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assert _plan_changed(old, new) is False
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def test_比例变化_判已变(self) -> None:
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old = [_row(1, "50.00")]
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new = [_row(1, "80.00")]
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assert _plan_changed(old, new) is True
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def test_参与人增减_判已变(self) -> None:
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old = [_row(1, "50.00")]
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assert _plan_changed(old, [_row(1, "50.00"), _row(2, "30.00")]) is True
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assert _plan_changed([_row(1, "50.00"), _row(2, "30.00")], [_row(1, "50.00")]) is True
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def test_同一人的比例从一人换成另一人_判已变(self) -> None:
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"""参与人不同但比例相同：人员 ID 是比较键的一部分，不能只看比例。"""
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old = [_row(1, "50.00")]
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new = [_row(2, "50.00")]
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assert _plan_changed(old, new) is True
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@pytest.mark.parametrize("written", ["50", "50.0", "50.00"])
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def test_比例写法不同_判未变(self, written: str) -> None:
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"""比例入参是字符串（'50' 与 '50.00' 都合法），数值相同即未变。"""
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assert _plan_changed([_row(1, "50.00")], [_row(1, written)]) is False
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def test_空方案与空方案_判未变(self) -> None:
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assert _plan_changed([], []) is False
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def test_空方案与有方案_判已变(self) -> None:
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assert _plan_changed([], [_row(1, "50.00")]) is True
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