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* test(differential): refresh the lectio fixture, close 9 entries, add C14Lukasz Kasprzak2026-08-121-3/+43
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | lectio moved 2386a45 -> 3b32c00 (seven EF calendar defects fixed, plus a sanctoral-generator root-cause fix); the committed fixture predates all of them. Regenerated with the same command the provenance note already named (`go run ./cmd/lectio-ef-dump 2005 2050`), read-only against lectio -- nothing there was touched. New SHA-256 asserted in both the provenance note and test_differential.ml's fixture_sha256. The dumper's two new name_en/name_pl columns are kept verbatim (the fixture is meant to be the exact command's raw output; the comparator already discards everything past field 7). Every C-entry's expected_rows was re-derived independently against the refreshed fixture (a Python re-implementation of diff_fields/ layer_c_reason, cross-checked against the real OCaml comparator's own failure output), not transcribed from a green run. Nine entries -- C2, C3, C4, C5, C7, C10, C11, C12, C13 -- now match zero rows and are closed: sexp row removed, layer_c_reason predicate and its now-dead helper bindings removed, citation preserved in docs/research/rules-register.md's new ยง3d with the specific lectio commit that fixed each one. C1 (361 -> 368) absorbs C13's former 7 rows now that lectio's own slug matches there too. C6 (138, unchanged count) narrows to a slug-only shape now that lectio's rank agrees. C8 (31, unchanged) survives untouched -- lectio still computes no Rogation days. C9's old shape ("Joseph observed ON a Lent Sunday") is also closed, but a narrower, different divergence survived under the same saint's slug: 3 years (2008, 2035, 2046) where Joseph's own congested RG96 walk collides with the Annunciation's separately-transferred "sedes propria". The old predicate's broad "any diff involving this slug" match was silently absorbing both under one citation -- split into a new id, C14, rather than folded back into C9, since the two are unrelated rules. lectio's own commit history (09a1444) documents this residual as a gap it deliberately left unresolved; colitur gives Joseph a real transferred day either way, which is why C14's verdict stands regardless of a genuinely open sub-question (recorded in the register, not resolved here) about which of the two feasts should claim the contested day first under RG98's "prius impeditum" wording. Re-triaged the full remaining 4975 raw differences: only 10 distinct field-diff signatures now, all resolving to Layer A/B noise or the four surviving citations, 0 unexplained. The crude "Sunday-rank" and "Holy Thursday" residues the task flagged both fully resolve once the real Layer A/B machinery runs (season-spelling and week-numbering artifacts, not substantive divergences) -- see the task report for the derivation. Teeth proof: perturbing ferial_rank to reproduce C4's old defect made 140 rows reappear as unexplained (the exact prior C4 count), reverted after capturing the failure message. 277 tests green (dune test) and 278 with COLITUR_EXHAUSTIVE_SWEEP=1 (the extra case is the 1583-9999 sweep itself).
* test(differential): gate C1/C6 on slug family, pin the fixture's SHA-256Lukasz Kasprzak2026-08-121-0/+8
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Fix round 1 on Task 15's review, four findings closed. C1 and C6 previously gated on calendar date alone -- unlike every other Layer C entry, which also checks the actual colitur slug that won. A future sanctoral change producing an unrelated celebration with the same diff shape (e.g. a promoted 29-31 December saint landing on C6's own [Slug_f; Rank]) would have been silently absorbed under a citation that has nothing to do with the real cause. Both entries now require, whenever Slug_f is in the diff set, that colitur's own slug be a member of an explicit closed list (jan_6_13_slug, nativity_octave_day_slugs) -- the same style advent_feria_slug already used for C4. Constructed the exact substitution via a temporary (unshipped) overlay Replace directive promoting thomas-becket to Class1 Feast White; confirmed the tightened predicate refuses to absorb it (46 unexplained rows, one per year); reverted. C10 gained the diff-field-subset restriction every other entry already had (it previously fired on the two pinned dates regardless of which fields differed). Fixed a stale doc comment ("SIX" columns; field has five constructors). The fixture's provenance note now records its SHA-256, and the suite asserts it as its own first test case (test_fixture_checksum), so a hand-edited or partially re-copied fixture fails loudly instead of silently becoming an unlabelled snapshot. Computed via the system sha256sum binary through Sys.command plus a redirected-output temp file -- no new library dependency, not even unix. Constructed a one-byte fixture edit and confirmed the checksum test fails independently of the row-comparison test; reverted. 237/237 tests green, clean-build verified.
* test: differential vs lectio 2005-2050 with a cited allow-listLukasz Kasprzak2026-08-121-0/+21
Validation layer 3 (design spec's five): compares colitur's real day-by-day EF output against lectio (sibling project, Go), 2005-2050, one line per civil day. Of 16801 day-pairs, 11206 already agree on the seven leading columns; the 5595 that don't resolve into exactly 25 distinct field-diff signatures, all triaged. Three strictly separate layers, per the controller's ruling (the brief's single flat allow-list assumed a handful of differences, not 5595): - Layer A (test_differential.ml, norm_season/norm_slug): vocabulary. An explicit, closed table of naming synonyms with no liturgical substance (lectio's easter/christmas vs colitur's paschaltide/christmastide; a handful of slugs that are two names for the identical office). No wildcards -- every entry is a literal string pair. - Layer B (strip_epiphany_index): numbering. The one slug family whose lectio/colitur index offset is not a constant (Time-after-Epiphany week numbering, register 3c#5) has its embedded digit stripped to a common form on both sides before comparing; rank and colour stay fully compared. - Layer C (data/ef/expected-divergences.sexp): the cited allow-list. Ten genuine liturgical disagreements, each citing its RG paragraph and naming which engine is right (always colitur, verified against the Missal/register, never against lectio's own behaviour). This is the only layer permitted to cover a difference in rank, colour, or which celebration is observed. Five extend or restate register 3c's already- documented divergences (season boundary, Sunday I-class, Advent Ember ferias, Rogations); five are new, found and adjudicated in this task (Lent Ember days, the Nativity Octave, Ember-day-vs-saint precedence, the St Joseph transfer off a Lent Sunday, and the 2011 Sacred Heart / Precious Blood / Visitation collision). expected_rows on each entry is an exact regression pin, asserted by the test, not documentation. 13 January (register 6's long-open "Baptism of the Lord" item) is confirmed empirically fixed already -- Task 11's sanctoral wiring closed it before this task started -- so it is not allow-listed; the only residual difference there is the season boundary already covered by C1. Two stated limits carried from the brief (commemorations are not comparable; lectio's own EF oracle asserts season only, 2025-2026 only, so a rank/colour difference is not presumptive evidence against colitur) plus a third found during this task (the week column is a display convention on both sides, not a liturgical fact, and is not compared at all) are documented in the test file's own doc comment. Fixture: test/fixtures/lectio-ef-2005-2050.txt, committed as plain text (1.4 MB), generated by lectio commit 2386a45; provenance recorded in the sibling .provenance file. Colitur's side is recomputed fresh from the library on every run, through the same Calendar/Rite_ef pipeline `colitur day` uses, not the compiled binary. Proved the harness has teeth by two reverted perturbations: a genuine colour difference injected into a fully-covered fixture row fails the "no unexplained differences" check with the exact mismatched row printed; a one-row drift in an allow-list entry's expected_rows fails the count check independently, showing it is not merely a duplicate of the first assertion. 236/236 tests green, clean-build verified, deterministic across OCAMLRUNPARAM=R.