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Slice 74: RED tracer-bullet diff test for cohort 000480

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Mirror the cohort 000474/000477 mapper-vs-hand-built diff tests for
cert U985-0001-000480 (mid-terrace, main + 1 extension + 19.83 m²
RIR, gas combi). RED with 32 load-bearing divergences — wider than
000477 because of the second SapBuildingPart, the missing
`extensions_count` mapping, an extra `roof_insulation_thickness`
Cat-A gap on Main, and a wider 7-vs-2 sap_windows expansion.
Closes via the same Slice 72 + 73 pattern.

Co-Authored-By: Claude Opus 4.7 <noreply@anthropic.com>
This commit is contained in:
Khalim Conn-Kowlessar 2026-05-25 17:50:09 +00:00
parent 3614c14bf5
commit e52e4b7f1b
1 changed files with 31 additions and 0 deletions
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31
backend/documents_parser/tests/test_summary_pdf_mapper_chain.py
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@ -41,6 +41,7 @@ from domain.sap.rdsap.cert_to_inputs import SAP_10_2_SPEC_PRICES, cert_to_inputs
from domain.sap.worksheet.tests import (
_elmhurst_worksheet_000474 as _w000474,
_elmhurst_worksheet_000477 as _w000477,
_elmhurst_worksheet_000480 as _w000480,
)
_FIXTURES = Path(__file__).parent / "fixtures"
@ -597,3 +598,33 @@ def test_from_elmhurst_site_notes_matches_hand_built_000477() -> None:
f"hand-built EpcPropertyData for cohort cert 000477:\n " +
"\n ".join(diffs)
)
def test_from_elmhurst_site_notes_matches_hand_built_000480() -> None:
# Arrange — _elmhurst_worksheet_000480.build_epc() is the canonical
# hand-built EpcPropertyData for cert U985-0001-000480 (mid-terrace
# with main + 1 extension + 19.83 m² RIR, gas combi); it cascades
# to the worksheet PDF's `SAP value 61.2986` at 1e-4. Routing the
# Summary PDF through the Elmhurst mapper MUST produce a load-
# bearing-field-equivalent EpcPropertyData; any divergence is a
# mapper-coverage gap to close as its own slice.
pages = _summary_pdf_to_textract_style_pages(_SUMMARY_000480_PDF)
site_notes = ElmhurstSiteNotesExtractor(pages).extract()
mapped = EpcPropertyDataMapper.from_elmhurst_site_notes(site_notes)
hand_built = _w000480.build_epc()
# Act
diffs: list[str] = []
for field_name in _LOAD_BEARING_FIELDS:
diffs.extend(_diff_load_bearing(
getattr(mapped, field_name, None),
getattr(hand_built, field_name, None),
field_name,
))
# Assert
assert not diffs, (
f"{len(diffs)} load-bearing divergence(s) between mapped and "
f"hand-built EpcPropertyData for cohort cert 000480:\n " +
"\n ".join(diffs)
)