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Slice 84: RED tracer-bullet diff test for cohort 000516

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Final cohort cert mapper-vs-hand-built diff test. Cert
U985-0001-000516 (Mid-Terrace, main + 19.02 m² RIR, 5 vertical
windows + 1 roof window routed to sap_roof_windows per the mapper's
`U > 3.0` discrimination). RED with 24 load-bearing divergences —
mostly standard Cat A. Closes via Slice 85 (Cat A) + Slice 86 (1:1
window expansion 2 → 5).

After 000516 lands GREEN, **all 6 cohort certs are Layer-2 zero-
diff** — clearing the way to return to cert 001479 (Slice 62
skeleton, 2/11 cascade pins green; gap −3.02 SAP).

Co-Authored-By: Claude Opus 4.7 <noreply@anthropic.com>
This commit is contained in:
Khalim Conn-Kowlessar 2026-05-25 18:12:20 +00:00
parent 9fa98428d0
commit 8fe96f03ea
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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@ -44,6 +44,7 @@ from domain.sap.worksheet.tests import (
_elmhurst_worksheet_000480 as _w000480,
_elmhurst_worksheet_000487 as _w000487,
_elmhurst_worksheet_000490 as _w000490,
_elmhurst_worksheet_000516 as _w000516,
)
_FIXTURES = Path(__file__).parent / "fixtures"
@ -692,3 +693,33 @@ def test_from_elmhurst_site_notes_matches_hand_built_000490() -> None:
f"hand-built EpcPropertyData for cohort cert 000490:\n " +
"\n ".join(diffs)
)
def test_from_elmhurst_site_notes_matches_hand_built_000516() -> None:
# Arrange — _elmhurst_worksheet_000516.build_epc() is the canonical
# hand-built EpcPropertyData for cert U985-0001-000516 (Mid-Terrace,
# main + 19.02 m² RIR, 5 vertical windows + 1 roof window which the
# mapper routes to `sap_roof_windows` per `U > 3.0` discrimination);
# it cascades to the worksheet PDF's `SAP value 62.7937` at 1e-4.
# Routing the Summary PDF through the Elmhurst mapper MUST produce
# a load-bearing-field-equivalent EpcPropertyData.
pages = _summary_pdf_to_textract_style_pages(_SUMMARY_000516_PDF)
site_notes = ElmhurstSiteNotesExtractor(pages).extract()
mapped = EpcPropertyDataMapper.from_elmhurst_site_notes(site_notes)
hand_built = _w000516.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 000516:\n " +
"\n ".join(diffs)
)