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Refined per direct correction: Our Lady's Saturday is really only a Simplex-strength standing, not a privileged-feria-minor-shaped one -- a Vigil keeps forcing its own primacy on a Saturday the same way it already does any other day (see calendar/commemorations.ts's own transferDirectionOf special-casing for Vigils elsewhere). Only a Simplex saint alone now loses to it; a Vigil, along with anything Semiduplex-or-higher, wins outright and Marian Saturday doesn't apply. Un-does the two test-date moves this same regression prompted last time (Vigil of St. Lawrence, Vigil of St. John Baptist) -- both dates' original years work again now that the fix is right. Co-Authored-By: Claude Sonnet 5 <noreply@anthropic.com>
70 lines
3.3 KiB
TypeScript
70 lines
3.3 KiB
TypeScript
import { describe, expect, it } from 'vitest';
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import { resolveDay } from '../../src/calendar';
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import { getDayLabel } from '../../src/calendar/day-label';
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// Direct instruction: on a free Saturday, "Our Lady's Saturday" is really
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// only a Simplex-strength standing — a Simplex saint alone loses to it
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// and is commemorated instead; anything Semiduplex-or-higher, or a Vigil
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// (which keeps forcing its own primacy the same way it does any other
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// day), still wins outright and Marian Saturday doesn't apply at all.
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describe('Marian Saturday (applyMarianSaturday)', () => {
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it('wins outright, with no commemoration, on a Saturday with nothing else at all going on', () => {
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const day = resolveDay('2026-10-24');
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expect(day.winner).toEqual({ kind: 'temporal', id: 'marian-saturday' });
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expect(day.commemorations).toEqual([]);
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expect(getDayLabel(day)).toBe("Our Lady's Saturday");
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});
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it('wins over a Simplex saint, who is commemorated instead of winning outright', () => {
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const day = resolveDay('2026-06-20'); // St. Silverius, Pope and Martyr, Simplex
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expect(day.winner).toEqual({ kind: 'temporal', id: 'marian-saturday' });
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expect(day.commemorations).toEqual([
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{ kind: 'sanctoral', id: 'st-silverius', name: 'St. Silverius, Pope and Martyr', rank: 'simplex' },
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]);
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});
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it('loses to a Vigil, which keeps forcing its own primacy on a Saturday same as any other day -- Marian Saturday does not apply', () => {
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// 2025-11-29: Vigil of St. Andrew collides with St. Saturninus
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// (Simplex) via calendar/collision.ts (Vigil outranks Simplex there)
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// before Marian Saturday even gets a look-in -- Vigil wins outright,
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// Saturninus is commemorated as the collision's loser, not by Marian
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// Saturday's own demotion rule.
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const day = resolveDay('2025-11-29');
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expect(day.winner).toEqual({
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kind: 'sanctoral',
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id: 'vigil-of-st-andrew',
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name: 'Vigil of St. Andrew',
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rank: 'vigil',
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});
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expect(day.commemorations).toEqual([
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{ kind: 'sanctoral', id: 'st-saturninus', name: 'St. Saturninus, Martyr', rank: 'simplex' },
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]);
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});
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it('loses outright to a Semiduplex-or-higher saint -- Marian Saturday does not apply at all', () => {
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const day = resolveDay('2026-09-19'); // St. Januarius, Semiduplex
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expect(day.winner).toEqual({
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kind: 'sanctoral',
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id: 'st-januarius',
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name: 'St. Januarius, Bishop, and Companions, Martyrs',
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rank: 'semiduplex',
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});
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});
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it('never applies to a Saturday with real standing of its own (privileged season, Ember days, ...)', () => {
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const day = resolveDay('2026-02-28'); // Lenten Ember Saturday
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expect(day.winner).not.toEqual({ kind: 'temporal', id: 'marian-saturday' });
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expect(day.temporalCategory).toBe('privileged-feria');
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});
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it('never applies while an octave is active, even on an otherwise-eligible Saturday (Pentecost Ember Saturday stays governed by its octave)', () => {
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const day = resolveDay('2026-05-30');
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expect(day.winner).toEqual({ kind: 'temporal', id: 'pentecost-sunday' });
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});
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it('never applies on a weekday other than Saturday', () => {
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const day = resolveDay('2026-10-23'); // the Friday before the clean Marian Saturday above
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expect(day.winner).not.toEqual({ kind: 'temporal', id: 'marian-saturday' });
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});
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});
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