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The 001431 corpus at `sap worksheets/heating systems examples/` now
has a permanent test module pinning cascade-vs-worksheet residuals
across all 41 populated heating-system variants. The corpus is a
controlled-variable test set — same dwelling (semi-detached, TFA 90 m²,
age G, W6 9BF, Elmhurst P960 worksheet format) under different heating
configurations — so every cascade-vs-worksheet residual is fully
attributable to the heating subsystem.
`test_heating_systems_corpus_residual_matches_pin` is parametrised by
variant folder name. Per variant it:
1. Extracts Block 11a (individual) or Block 11b (community) pins
from the P960 PDF — continuous SAP (`SAP value` row), total fuel
cost (255)/(355), CO2 (272/372/382/383), PE (286/386/486/483).
2. Routes the Summary PDF through ElmhurstSiteNotesExtractor →
EpcPropertyDataMapper.from_elmhurst_site_notes → cert_to_inputs
→ calculate_sap_from_inputs.
3. Asserts each of the four cascade outputs sits within an absolute
tolerance of the pinned residual.
Tolerances are tight (SAP ±0.001, cost ±£0.01, CO2 ±0.1 kg/yr, PE
±0.1 kWh/yr) — the *expected residual* moves toward 0 as heating-
cascade gaps close; the *tolerance* never widens. Per
[[feedback-zero-error-strict]] + [[feedback-golden-residuals-near-zero]].
Pins captured at HEAD `729ee29c` (post-S0380.128). All 41 pass.
Smallest residual: `solid fuel 8` +0.87 SAP / −£20 cost (closest to
closure). First negative ΔSAP: `community heating 6` −6.87 SAP / +£158
cost (heat-pump heat network — only variant where cascade UNDERshoots
the worksheet).
Extended handover suite at HEAD post-slice: **873 pass, 0 fail**
(was 832 + 41 new parametrised cases).
Pyright net-zero on new file (0 → 0).
Co-Authored-By: Claude Opus 4.7 <noreply@anthropic.com>
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|---|---|---|
| .. | ||
| fixtures | ||
| __init__.py | ||
| test_elmhurst_end_to_end.py | ||
| test_elmhurst_extractor.py | ||
| test_end_to_end.py | ||
| test_extractor.py | ||
| test_heating_systems_corpus.py | ||
| test_pdf.py | ||
| test_summary_pdf_mapper_chain.py | ||