Sofiya Tepikin
50 lines
1.6 KiB
JavaScript
50 lines
1.6 KiB
JavaScript
import cycleModule from '../lib/cycle'
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const simpleCycleStarts = [{ date: '2018-05-09' }, { date: '2018-05-03' }]
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describe('getCycleDayNumber', () => {
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test('works for a date in the current cycle', () => {
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const cycleStartsSortedByDate = simpleCycleStarts
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const date = '2018-05-17'
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const { getCycleDayNumber } = cycleModule({ cycleStartsSortedByDate })
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expect(getCycleDayNumber(date)).toEqual(9)
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})
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test('works for a date which is not in the current cycle', () => {
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const cycleStartsSortedByDate = [
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{ date: '2018-05-13' },
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{ date: '2018-04-10' },
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]
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const date = '2018-04-27'
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const { getCycleDayNumber } = cycleModule({ cycleStartsSortedByDate })
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expect(getCycleDayNumber(date)).toEqual(18)
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})
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test('works for a date which is the first and only day in cycle', () => {
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const cycleStartsSortedByDate = [{ date: '2018-05-13' }]
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const date = '2018-05-13'
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const { getCycleDayNumber } = cycleModule({ cycleStartsSortedByDate })
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expect(getCycleDayNumber(date)).toEqual(1)
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})
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test('returns null if there are no cycle starts', function () {
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const cycleStartsSortedByDate = []
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const date = '2018-05-17'
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const { getCycleDayNumber } = cycleModule({ cycleStartsSortedByDate })
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expect(getCycleDayNumber(date)).toBeNull()
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})
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test('returns null if the cycle is longer than the max', function () {
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const cycleStartsSortedByDate = simpleCycleStarts
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// we use the default 99 days max length
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const date = '2018-08-16'
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const { getCycleDayNumber } = cycleModule({ cycleStartsSortedByDate })
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expect(getCycleDayNumber(date)).toBeNull()
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})
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})
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