From f07c98fb888a5b56ba15d307a3afbdaf4209eaa3 Mon Sep 17 00:00:00 2001 From: Martin Kagamino Lehoux Date: Sat, 26 Sep 2026 09:03:12 +0200 Subject: Allow backdating a routine completion --- src/lib/shared/temporal.test.ts | 35 +++++++++++++++++++++++++++++++++++ 1 file changed, 35 insertions(+) create mode 100644 src/lib/shared/temporal.test.ts (limited to 'src/lib/shared/temporal.test.ts') diff --git a/src/lib/shared/temporal.test.ts b/src/lib/shared/temporal.test.ts new file mode 100644 index 0000000..ef3477a --- /dev/null +++ b/src/lib/shared/temporal.test.ts @@ -0,0 +1,35 @@ +import { describe, expect, it } from 'vitest'; +import { instantFromDay } from './temporal'; + +// A weekday well inside the year so noon UTC never collides with a clamp. +const NOW = Temporal.Instant.from('2026-09-20T08:00:00.000Z'); + +describe('instantFromDay', () => { + it('stamps a past day at noon UTC', () => { + expect(instantFromDay('2026-09-13', NOW)).toBe('2026-09-13T12:00:00.000Z'); + }); + + it('clamps today to the current instant', () => { + expect(instantFromDay('2026-09-20', NOW)).toBe('2026-09-20T08:00:00.000Z'); + }); + + it('keeps a past day that is only hours old as-is', () => { + // 21:00 the day before: noon of that day is still in the past. + expect(instantFromDay('2026-09-19', NOW)).toBe('2026-09-19T12:00:00.000Z'); + }); + + it('accepts a day a few hours ahead and clamps it to now', () => { + const late = Temporal.Instant.from('2026-09-20T22:00:00.000Z'); + expect(instantFromDay('2026-09-21', late)).toBe('2026-09-20T22:00:00.000Z'); + }); + + it('rejects a day more than a day ahead', () => { + expect(instantFromDay('2026-09-22', NOW)).toBeNull(); + }); + + it('rejects malformed and impossible dates', () => { + expect(instantFromDay('', NOW)).toBeNull(); + expect(instantFromDay('hier', NOW)).toBeNull(); + expect(instantFromDay('2026-02-30', NOW)).toBeNull(); + }); +}); -- cgit v1.3