36 lines
1.2 KiB
Python
36 lines
1.2 KiB
Python
# tests/factor/test_observe.py
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"""观察报告 TDD——spec §4.2 决议 E 成熟度门:未晋级只观察不告警不判死."""
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from sanguo_factor.observe import MIN_COVERAGE, observe_factor
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def test_red_when_no_records():
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o = observe_factor([], as_of="2026-09-22")
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assert o.status == "red" and o.last_seen is None
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assert "无评估记录" in o.reasons[0]
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def test_green_fresh_and_covered():
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o = observe_factor([{"end": "2026-09-18", "count": 512}], as_of="2026-09-22")
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assert o.status == "green" and o.reasons == ()
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assert o.days_since == 4 and o.last_count == 512
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def test_yellow_stale():
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o = observe_factor([{"end": "2026-05-30", "count": 512}], as_of="2026-09-22")
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assert o.status == "yellow" and any("新鲜" in r for r in o.reasons)
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def test_yellow_thin_coverage():
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o = observe_factor([{"end": "2026-09-18", "count": 120}], as_of="2026-09-22")
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assert o.status == "yellow" and any("覆盖" in r for r in o.reasons)
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def test_latest_record_wins():
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recs = [{"end": "2026-03-01", "count": 900}, {"end": "2026-09-10", "count": 50}]
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o = observe_factor(recs, as_of="2026-09-22")
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assert o.last_seen == "2026-09-10" and o.last_count == 50
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def test_min_coverage_constant():
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assert MIN_COVERAGE == 300
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