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Score gains sap_result: Optional[SapResult], populated by PackageScorer with the calculator output its headline figures came from. This lets the Modelling stage price the post-package (and baseline) end-state via Bill Derivation reusing a SapResult already computed by the optimiser's re-score / the orchestrator's baseline score — no second calculate (ADR-0014 amendment). The optimiser reads only sap_continuous, so it stays domain-agnostic and the stub scorers (which omit sap_result) are unaffected — all optimiser tests pass unchanged. Co-Authored-By: Claude Opus 4.8 <noreply@anthropic.com>
71 lines
2.4 KiB
Python
71 lines
2.4 KiB
Python
"""Behaviour of the Package Scorer: composing Simulation Overlays onto a
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baseline EpcPropertyData and scoring the result on the deterministic SAP10
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calculator. The reusable compute primitive (ADR-0016). Elmhurst before/after
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cascade pins land with #1154 once the cert parses; here we exercise the real
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calculator on a hand-built EPD.
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"""
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from datatypes.epc.domain.epc_property_data import (
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BuildingPartIdentifier,
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EpcPropertyData,
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)
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from domain.modelling.scoring.package_scorer import PackageScorer, Score
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from domain.modelling.simulation import BuildingPartOverlay, EpcSimulation
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from domain.sap10_calculator.calculator import Sap10Calculator, SapResult
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from tests.domain.sap10_calculator.worksheet._elmhurst_worksheet_000490 import (
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build_epc,
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)
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_CAVITY_FILL = EpcSimulation(
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building_parts={
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BuildingPartIdentifier.MAIN: BuildingPartOverlay(wall_insulation_type=2)
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}
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)
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def test_filling_the_main_cavity_improves_sap() -> None:
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# Arrange
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baseline: EpcPropertyData = build_epc() # MAIN: uninsulated cavity
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scorer = PackageScorer(Sap10Calculator())
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# Act
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base: Score = scorer.score(baseline, [])
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filled: Score = scorer.score(baseline, [_CAVITY_FILL])
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# Assert
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assert filled.sap_continuous > base.sap_continuous
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def test_empty_package_scores_the_unmodified_baseline() -> None:
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# Arrange
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baseline: EpcPropertyData = build_epc()
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calculator = Sap10Calculator()
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direct: SapResult = calculator.calculate(baseline)
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# Act
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score: Score = PackageScorer(calculator).score(baseline, [])
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# Assert
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assert abs(score.sap_continuous - direct.sap_score_continuous) <= 1e-9
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assert abs(score.co2_kg_per_yr - direct.co2_kg_per_yr) <= 1e-9
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assert (
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abs(score.primary_energy_kwh_per_yr - direct.primary_energy_kwh_per_yr)
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<= 1e-9
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)
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def test_score_carries_the_scored_sap_result_for_billing() -> None:
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# Arrange — the post-package SapResult must ride on the Score so Bill
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# Derivation can price the simulated end-state without a second calculate
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# (ADR-0014 amendment).
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baseline: EpcPropertyData = build_epc()
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scorer = PackageScorer(Sap10Calculator())
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# Act
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filled: Score = scorer.score(baseline, [_CAVITY_FILL])
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# Assert — the SapResult is the one the Score's headline figures came from.
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assert filled.sap_result is not None
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assert (
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abs(filled.sap_result.sap_score_continuous - filled.sap_continuous) <= 1e-9
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)
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