Sofiya Tepikin
64 lines
1.5 KiB
JavaScript
64 lines
1.5 KiB
JavaScript
import cycleModule from '../lib/cycle'
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const mayCycle = [
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{ date: '2018-05-05' },
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{ date: '2018-05-04' },
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{ date: '2018-05-03' },
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]
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const cycleDaysSortedByDate = [
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{ date: '2018-07-05' },
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{ date: '2018-06-05' },
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...mayCycle,
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{ date: '2018-04-05' },
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{ date: '2018-04-04' },
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{ date: '2018-04-03' },
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{ date: '2018-04-02' },
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]
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const cycleStartsSortedByDate = [
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{ date: '2018-07-05' },
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{ date: '2018-06-05' },
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{ date: '2018-05-03' },
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{ date: '2018-04-02' },
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]
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describe('getPreviousCycle', () => {
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test('gets previous cycle', () => {
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const { getPreviousCycle } = cycleModule({
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cycleDaysSortedByDate,
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cycleStartsSortedByDate,
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})
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expect(getPreviousCycle('2018-06-08')).toEqual(mayCycle)
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})
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test('returns null when target day is not in a cyle', () => {
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const { getPreviousCycle } = cycleModule({
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cycleDaysSortedByDate,
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cycleStartsSortedByDate: [],
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})
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expect(getPreviousCycle('2018-06-08')).toEqual(null)
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})
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test('returns null when there is no previous cycle', () => {
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const { getPreviousCycle } = cycleModule({
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cycleDaysSortedByDate,
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cycleStartsSortedByDate,
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})
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expect(getPreviousCycle('2018-04-18')).toEqual(null)
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})
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test('returns null when the previous cycle > maxcyclelength', () => {
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const { getPreviousCycle } = cycleModule({
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cycleDaysSortedByDate,
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cycleStartsSortedByDate,
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maxCycleLength: 2,
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})
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expect(getPreviousCycle('2018-06-08')).toEqual(null)
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})
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})
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