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import { Day, getDayOffset, getNextDay, getPreviousDay } from './week'; | ||
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describe('getDayOffset()', () => { | ||
it('should return the previous days if a negative value is input.', () => { | ||
expect(getDayOffset(Day.SATURDAY, -1)).toBe(Day.FRIDAY); | ||
expect(getDayOffset(Day.SUNDAY, -1)).toBe(Day.SATURDAY); | ||
}); | ||
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it('should return the next days if a positive value is input.', () => { | ||
expect(getDayOffset(Day.SATURDAY, 1)).toBe(Day.SUNDAY); | ||
expect(getDayOffset(Day.SUNDAY, 1)).toBe(Day.MONDAY); | ||
}); | ||
}); | ||
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describe('getPreviousDay()', () => { | ||
it('should return the previous day', () => { | ||
expect(getPreviousDay(Day.SATURDAY)).toBe(Day.FRIDAY); | ||
expect(getPreviousDay(Day.SUNDAY)).toBe(Day.SATURDAY); | ||
}); | ||
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it('should return the previous days if a negative value is input.', () => { | ||
expect(getPreviousDay(Day.SATURDAY, -1)).toBe(Day.FRIDAY); | ||
expect(getPreviousDay(Day.SUNDAY, -1)).toBe(Day.SATURDAY); | ||
}); | ||
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it('should return the previous days if a positive value is input.', () => { | ||
expect(getPreviousDay(Day.SATURDAY, -1)).toBe(Day.FRIDAY); | ||
expect(getPreviousDay(Day.SUNDAY, -1)).toBe(Day.SATURDAY); | ||
}); | ||
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it('should return the previous days for the number of days input.', () => { | ||
expect(getPreviousDay(Day.SATURDAY, 5)).toBe(Day.MONDAY); | ||
}); | ||
}); | ||
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describe('getNextDay()', () => { | ||
it('should return the next.', () => { | ||
expect(getNextDay(Day.FRIDAY)).toBe(Day.SATURDAY); | ||
expect(getNextDay(Day.SUNDAY)).toBe(Day.MONDAY); | ||
}); | ||
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it('should return the next days for the number of days input.', () => { | ||
expect(getNextDay(Day.FRIDAY, 4)).toBe(Day.TUESDAY); | ||
}); | ||
}); |
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