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Section 1 of the property inspection report: PropertyReport compares the cert's lodged energy_rating_current to Sap10Calculator's un-rounded SAP and flags |Δ| > 0.5 (the ADR-0010/0013 shadow-validation design target). A mapping/scoring raise is captured per-cert as calculator_error, never propagated, so one bad cert can't abort the sweep. Co-Authored-By: Claude Opus 4.8 <noreply@anthropic.com>
68 lines
2.3 KiB
Python
68 lines
2.3 KiB
Python
"""Per-property inspection report over a dump of API-shaped EPC JSONs."""
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from __future__ import annotations
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import json
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from pathlib import Path
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from harness.report import PropertyReport, build_property_report
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_GOLDEN = (
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Path(__file__).resolve().parents[1]
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/ "domain/sap10_calculator/rdsap/fixtures/golden"
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)
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# Two real golden certs straddling the |Δ| > 0.5 calculator-error flag:
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# 0036 — lodged 63, calculated 62.747 -> Δ 0.253 (not flagged)
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# 0240 — lodged 73, calculated 71.727 -> Δ 1.273 (flagged)
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_WITHIN_TOLERANCE = "0036-6325-1100-0063-1226"
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_DIVERGENT = "0240-0200-5706-2365-8010"
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def test_calculator_error_is_lodged_minus_calculated_and_within_tolerance() -> None:
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# Arrange
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path: Path = _GOLDEN / f"{_WITHIN_TOLERANCE}.json"
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# Act
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report: PropertyReport = build_property_report(path)
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# Assert — lodged SAP read straight off the cert; calculated un-rounded.
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assert report.lodged_sap == 63
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assert report.calculated_sap is not None
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assert abs(report.calculated_sap - 62.747) <= 0.01
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assert report.sap_error is not None
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assert abs(report.sap_error - (63 - report.calculated_sap)) <= 1e-9
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assert report.sap_error_exceeds_threshold is False
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assert report.calculator_error is None
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def test_calculator_error_flags_divergence_beyond_half_a_sap_point() -> None:
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# Arrange
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path: Path = _GOLDEN / f"{_DIVERGENT}.json"
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# Act
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report: PropertyReport = build_property_report(path)
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# Assert — Δ 1.273 > 0.5, so the shadow-validation flag fires.
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assert report.lodged_sap == 73
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assert report.sap_error is not None
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assert report.sap_error > 0.5
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assert report.sap_error_exceeds_threshold is True
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def test_unparseable_cert_is_captured_not_raised(tmp_path: Path) -> None:
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# Arrange — a payload the mapper rejects must not abort the report.
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bad: Path = tmp_path / "broken.json"
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bad.write_text(json.dumps({"not": "an epc"}))
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# Act
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report: PropertyReport = build_property_report(bad)
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# Assert — the raise is recorded as this property's calculator error.
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assert report.name == "broken"
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assert report.lodged_sap is None
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assert report.calculated_sap is None
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assert report.sap_error is None
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assert report.sap_error_exceeds_threshold is False
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assert report.calculator_error is not None
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assert "ValueError" in report.calculator_error
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