schedule parsing test cases

tests/scheduleparsing.test.ts

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+import { Schedule } from "../server/types/scheduledEventTypes"
+
+test('multiplier is parsed', () => {
+	const schedule = new Schedule('every3weeks')
+	const multi = schedule.getMultiplierFromVariableString()
+	expect(multi).toEqual(3)
+})
+test('get duration 3 weeks', () => {
+	const schedule = new Schedule('every3weeks')
+	const duration = schedule.calculateDuration()
+	expect(duration).toEqual({ weeks: 3 })
+})
+test('get duration 4 years', () => {
+	const schedule = new Schedule('every4years')
+	const duration = schedule.calculateDuration()
+	expect(duration).toEqual({ years: 4 })
+})
+test('get duration 27 days', () => {
+	const schedule = new Schedule('every27days')
+	const duration = schedule.calculateDuration()
+	expect(duration).toEqual({ days: 27 })
+})
+describe('get new Dates', () => {
+	test('every 27 days', () => {
+		const schedule = new Schedule('every27days')
+		const oldDate = new Date('2022-01-01')
+		const newDate = new Date('2022-01-28')
+		expect(schedule.getNewDate(oldDate)).toEqual(newDate)
+	})
+	test('every 2 weeks', () => {
+		const schedule = new Schedule('every2weeks')
+		const oldDate = new Date('2022-01-01')
+		const newDate = new Date('2022-01-15')
+		expect(schedule.getNewDate(oldDate)).toEqual(newDate)
+	})
+	test('every 1 month', () => {
+		const schedule = new Schedule('every1months')
+		const oldDate = new Date('2022-01-01')
+		const newDate = new Date('2022-02-01')
+		expect(schedule.getNewDate(oldDate)).toEqual(newDate)
+	})
+	test('every 4 year', () => {
+		const schedule = new Schedule('every4years')
+		const oldDate = new Date('2022-01-01')
+		const newDate = new Date('2026-01-01')
+		expect(schedule.getNewDate(oldDate)).toEqual(newDate)
+	})
+	test('every 2 days', () => {
+		const schedule = new Schedule('every2days')
+		const oldDate = new Date('2022-01-01')
+		const newDate = new Date('2022-01-03')
+		expect(schedule.getNewDate(oldDate)).toEqual(newDate)
+	})
+	test('every 2 days', () => {
+		const schedule = new Schedule('Every2DAys')
+		const oldDate = new Date('2022-01-01')
+		const newDate = new Date('2022-01-03')
+		expect(schedule.getNewDate(oldDate)).toEqual(newDate)
+	})
+	test('every 2 day[s]', () => {
+		const schedule = new Schedule('Every2DAy')
+		const oldDate = new Date('2022-01-01')
+		const newDate = new Date('2022-01-03')
+		expect(schedule.getNewDate(oldDate)).toEqual(newDate)
+	})
+})