dhis2/d2

import { generateSixMonthlyAprilPeriodsForYear } from '../six-monthly-april'

describe('Six-monthly-april period', () => {
    describe('generateSixMonthlyAprilPeriodsForYear()', () => {
        it('should not allow years before the year zero', () => {
            expect(() =>
                generateSixMonthlyAprilPeriodsForYear(-10)
            ).toThrowError()
        })

        it('should throw an error when passing a Date object', () => {
            expect(() =>
                generateSixMonthlyAprilPeriodsForYear(new Date())
            ).toThrowError()
        })

        it('should generate the correct six monthly april periods for 2017', () => {
            expect(generateSixMonthlyAprilPeriodsForYear(2017)).toEqual([
                {
                    startDate: '2017-04-01',
                    endDate: '2017-09-30',
                    name: 'April - September 2017',
                    iso: '2017AprilS1',
                    id: '2017AprilS1',
                },
                {
                    startDate: '2017-10-01',
                    endDate: '2018-03-31',
                    name: 'October 2017 - March 2018',
                    iso: '2017AprilS2',
                    id: '2017AprilS2',
                },
            ])
        })

        it('should generate the correct six monthly april periods for 2014', () => {
            expect(generateSixMonthlyAprilPeriodsForYear(2014)).toEqual([
                {
                    startDate: '2014-04-01',
                    endDate: '2014-09-30',
                    name: 'April - September 2014',
                    iso: '2014AprilS1',
                    id: '2014AprilS1',
                },
                {
                    startDate: '2014-10-01',
                    endDate: '2015-03-31',
                    name: 'October 2014 - March 2015',
                    iso: '2014AprilS2',
                    id: '2014AprilS2',
                },
            ])
        })

        it('should use the current year when no year has been given', () => {
            expect(generateSixMonthlyAprilPeriodsForYear()).toEqual(
                generateSixMonthlyAprilPeriodsForYear(new Date().getFullYear())
            )
        })
    })
})