70 lines
2.3 KiB
JavaScript
70 lines
2.3 KiB
JavaScript
import { describe, it, expect } from 'vitest'
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import { expandOccurrences, intervalDays } from '../src/lib/recur.js'
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describe('intervalDays', () => {
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it('returns 7 for WEEKLY interval=1', () => {
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const ev = { rrule: { freq: 'WEEKLY', interval: 1 } }
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expect(intervalDays(ev)).toBe(7)
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})
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it('returns 14 for WEEKLY interval=2', () => {
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const ev = { rrule: { freq: 'WEEKLY', interval: 2 } }
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expect(intervalDays(ev)).toBe(14)
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})
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it('returns interval for DAILY', () => {
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const ev = { rrule: { freq: 'DAILY', interval: 3 } }
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expect(intervalDays(ev)).toBe(3)
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})
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})
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describe('expandOccurrences', () => {
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it('returns single occurrence for non-recurring event', () => {
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const ev = { dtstartDate: '2026-07-27', rrule: null, exdates: [] }
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const occs = expandOccurrences(ev)
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expect(occs).toHaveLength(1)
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expect(occs[0]).toEqual({ date: '2026-07-27', skipped: false })
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})
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it('expands weekly event from Jul 27 to Oct 19', () => {
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const ev = {
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dtstartDate: '2026-07-27',
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rrule: { freq: 'WEEKLY', interval: 1, byday: 'MO', untilDate: '2026-10-19' },
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exdates: ['2026-09-21'],
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}
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const occs = expandOccurrences(ev)
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// Jul 27 + 12 weeks = Oct 19 -> 13 occurrences
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expect(occs).toHaveLength(13)
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expect(occs[0].date).toBe('2026-07-27')
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expect(occs[12].date).toBe('2026-10-19')
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// Sep 21 is skipped
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const sep21 = occs.find(o => o.date === '2026-09-21')
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expect(sep21.skipped).toBe(true)
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// Others not skipped
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expect(occs[0].skipped).toBe(false)
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})
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it('respects exdates set', () => {
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const ev = {
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dtstartDate: '2026-07-27',
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rrule: { freq: 'WEEKLY', interval: 1, byday: 'MO', untilDate: '2026-08-24' },
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exdates: ['2026-08-03', '2026-08-17'],
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}
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const occs = expandOccurrences(ev)
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expect(occs).toHaveLength(5) // Jul27, Aug3, Aug10, Aug17, Aug24
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expect(occs[1].skipped).toBe(true) // Aug 3
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expect(occs[2].skipped).toBe(false) // Aug 10
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expect(occs[3].skipped).toBe(true) // Aug 17
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})
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it('caps at 500 occurrences', () => {
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const ev = {
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dtstartDate: '2020-01-01',
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rrule: { freq: 'DAILY', interval: 1, untilDate: '2030-12-31' },
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exdates: [],
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}
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const occs = expandOccurrences(ev)
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expect(occs.length).toBeLessThanOrEqual(500)
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})
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})
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