104 lines
3.4 KiB
Python
104 lines
3.4 KiB
Python
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"""指导成本解析只认已登记事实：多条候选不猜、单位与封存状态必须显式匹配。"""
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from decimal import Decimal
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import pytest
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from app.core.exceptions import BadRequestError
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from app.services.tplus.guidance import check_unit_guidance_conflicts, resolve_guidance
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class Fact:
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"""最小事实替身：resolve_guidance 只读取 kind 与 data_json。"""
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def __init__(self, data_json):
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self.kind = "GUIDANCE"
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self.data_json = data_json
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def facts_of(*rows):
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"""按 (kind, fact_key) 组装成 latest_guidance_facts 的返回结构。"""
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return {("GUIDANCE", str(index)): Fact(row) for index, row in enumerate(rows)}
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def final_row(**overrides):
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row = {
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"product_id": 9,
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"month": "2026-03",
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"basis": "UNIT",
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"unit": "根",
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"is_finalized": True,
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}
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row.update(overrides)
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return row
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def test_没有匹配事实时返回缺失():
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state, guidance = resolve_guidance(facts_of(), 9, "line-1", "2026-03", "根")
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assert state == "MISSING"
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assert guidance is None
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def test_多条候选时不选择其中一条():
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rows = facts_of(final_row(), final_row(shipment_line_id="line-1"))
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state, guidance = resolve_guidance(rows, 9, "line-1", "2026-03", "根")
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assert state == "AMBIGUOUS"
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assert guidance is None
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def test_唯一候选且单位一致时返回已封存事实():
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row = final_row()
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state, guidance = resolve_guidance(facts_of(row), 9, "line-1", "2026-03", "根")
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assert state == "FINALIZED"
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assert guidance is row
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def test_单位不一致时不采用该事实():
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state, guidance = resolve_guidance(facts_of(final_row(unit="吨")), 9, "line-1", "2026-03", "根")
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assert state == "UNIT_MISMATCH"
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assert guidance is None
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def test_未封存事实不能作为指导价依据():
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state, guidance = resolve_guidance(facts_of(final_row(is_finalized=False)), 9, "line-1", "2026-03", "根")
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assert state == "UNFINALIZED"
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assert guidance is None
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def test_按明细行登记的指导价只对该行生效():
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rows = facts_of(final_row(basis="LINE", shipment_line_id="line-1"))
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assert resolve_guidance(rows, 9, "line-1", "2026-03", "根")[0] == "FINALIZED"
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assert resolve_guidance(rows, 9, "line-2", "2026-03", "根")[0] == "MISSING"
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def test_同一产品同月已有事实时拒绝重复登记():
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with pytest.raises(BadRequestError, match="重叠"):
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check_unit_guidance_conflicts(facts_of(final_row()), 9, "2026-03", "根", "10", [])
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def test_历史封存明细的成本或单位不一致时拒绝():
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with pytest.raises(BadRequestError, match="不一致"):
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check_unit_guidance_conflicts(
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facts_of(), 9, "2026-03", "根", "10",
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[{"unit_cost": "11", "unit": "根"}],
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)
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with pytest.raises(BadRequestError, match="不一致"):
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check_unit_guidance_conflicts(
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facts_of(), 9, "2026-03", "根", "10",
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[{"unit_cost": "10", "unit": "吨"}],
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)
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def test_事实为空且历史一致时放行():
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check_unit_guidance_conflicts(
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facts_of(), 9, "2026-03", "根", Decimal("10"),
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[{"unit_cost": "10", "unit": "根"}, {"unit_cost": "10.00", "unit": "根"}],
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)
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def test_金额非法时拒绝():
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for bad in ("abc", "-1", "nan"):
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with pytest.raises(BadRequestError, match="不一致"):
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check_unit_guidance_conflicts(facts_of(), 9, "2026-03", "根", bad, [])
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