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94 lines
2.7 KiB
Python
94 lines
2.7 KiB
Python
from typing import Optional
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import pytest
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from scripts.audit.anomalies import (
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PropertyAudit,
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_effective_lodged_divergence,
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_implausible_lodged_score,
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)
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def _make_audit(
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*,
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lodged_sap: Optional[float],
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effective_sap: Optional[float],
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rebaseline_reason: str = "both",
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) -> PropertyAudit:
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return PropertyAudit(
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property_id=1,
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uprn=None,
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portfolio_id=796,
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scenario_id=None,
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scenario_goal_band=None,
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lodged_sap=lodged_sap,
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lodged_band=None,
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effective_sap=effective_sap,
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effective_band=None,
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rebaseline_reason=rebaseline_reason,
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post_sap=None,
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post_band=None,
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cost_of_works=None,
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energy_bill_savings=None,
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energy_consumption_savings=None,
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solar_sap_points=None,
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solar_bill_savings=None,
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n_measures=0,
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)
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class TestEffectiveLodgedDivergence:
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def test_silent_when_lodged_sap_below_floor(self) -> None:
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# Arrange — Class C exemplar: lodged=1, effective=76 (gap +75, but lodged is implausible upstream data)
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audit = _make_audit(lodged_sap=1.0, effective_sap=76.0)
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# Act
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result = _effective_lodged_divergence(audit)
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# Assert
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assert result is None
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def test_fires_when_lodged_sap_at_or_above_floor_with_large_gap(self) -> None:
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# Arrange — lodged=20 (band G, plausible), effective=65 (band D), gap +45
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audit = _make_audit(lodged_sap=20.0, effective_sap=65.0)
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# Act
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result = _effective_lodged_divergence(audit)
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# Assert
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assert result is not None
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assert "65" in result
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assert "20" in result
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class TestImplausibleLodgedScore:
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def test_fires_when_lodged_sap_below_floor_and_gap_large(self) -> None:
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# Arrange — Class C exemplar: lodged=1, effective=76 (gap +75)
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audit = _make_audit(lodged_sap=1.0, effective_sap=76.0)
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# Act
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result = _implausible_lodged_score(audit)
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# Assert
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assert result is not None
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assert "1" in result
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def test_silent_when_gap_below_threshold(self) -> None:
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# Arrange — lodged=9, effective=5 (gap -4, below ±15): both low, not a divergence anomaly
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audit = _make_audit(lodged_sap=9.0, effective_sap=5.0)
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# Act
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result = _implausible_lodged_score(audit)
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# Assert
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assert result is None
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def test_silent_when_lodged_sap_at_or_above_floor(self) -> None:
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# Arrange — lodged=13 is on the floor boundary; effective=70 gives large gap
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audit = _make_audit(lodged_sap=13.0, effective_sap=70.0)
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# Act
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result = _implausible_lodged_score(audit)
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# Assert
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assert result is None
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