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32e296ca3f
One-time script (dry-run default, --apply in a transaction, idempotent) mapping a flat roof's stated depth (flat: Nmm) onto the nearest Table 16 rung member so the overlay scores it by thickness, not the age-band default. Updates property_overrides (TEXT) immediately; the roof_type pgEnum cache writes are deferred until the FE adds the FLAT_*MM members. Dry-run against the audited DB reports 102 rows, deferring Flat 50/100/150 mm. Co-Authored-By: Claude Opus 4.8 (1M context) <noreply@anthropic.com>
44 lines
1.7 KiB
Python
44 lines
1.7 KiB
Python
"""The flat-roof reclassify maps a stated depth onto its Table 16 thickness member,
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leaves depthless / non-flat rows alone, and is idempotent (#1376 / ADR-0041)."""
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from __future__ import annotations
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from scripts.reclassify_flat_roof_thickness import flat_thickness_corrections
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def test_flat_depth_rows_are_corrected_to_the_thickness_member() -> None:
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# Arrange — flat roofs with a real depth (currently on the age-band-default
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# value), alongside depthless flat rows and a pitched row that must be left.
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stored = [
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("flat: 150mm", "Flat, insulated (assumed)"),
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("flat: 50mm", "Flat, insulated (assumed)"),
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("flat: unknown", "Flat, insulated (assumed)"),
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("flat: as built", "Flat, insulated (assumed)"),
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("flat: no insulation", "Flat, no insulation"),
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("pitchednormalloftaccess: 100mm", "Pitched, 100 mm loft insulation"),
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]
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# Act
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corrections = flat_thickness_corrections(stored)
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# Assert — only the flat-depth rows are re-mapped, to their thickness member.
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assert corrections == {
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"flat: 150mm": "Flat, 150 mm insulation",
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"flat: 50mm": "Flat, 50 mm insulation",
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}
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def test_a_non_rung_depth_snaps_to_the_nearest_tabulated_rung() -> None:
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# RdSAP Table 16 uses the nearest tabulated thickness <= the stated depth.
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# Act / Assert
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assert flat_thickness_corrections(
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[("flat: 60mm", "Flat, insulated (assumed)")]
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) == {"flat: 60mm": "Flat, 50 mm insulation"}
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def test_already_corrected_flat_rows_need_no_change() -> None:
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# Act / Assert — idempotent.
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assert (
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flat_thickness_corrections([("flat: 150mm", "Flat, 150 mm insulation")]) == {}
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)
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