import { parseFromToProps } from 'contexts/DayPicker/utils' ; describe ( 'when "fromMonth" is passed in' , ( ) => { const fromMonth = new Date ( 2021 , 4 , 3 ) ; const expectedFromDate = new Date ( 2021 , 4 , 1 ) ; const { fromDate } = parseFromToProps ( { fromMonth } ) ; test ( '"fromDate" should be the start of that month' , ( ) => { expect ( fromDate ) . toEqual ( expectedFromDate ) ; } ) ; describe ( 'when "fromYear" is passed in' , ( ) => { test ( '"fromDate" should be the start of that month' , ( ) => { expect ( fromDate ) . toEqual ( expectedFromDate ) ; } ) ; } ) ; } ) ; describe ( 'when "fromYear" is passed in' , ( ) => { const fromYear = 2021 ; const expectedFromDate = new Date ( 2021 , 0 , 1 ) ; const { fromDate } = parseFromToProps ( { fromYear } ) ; test ( '"fromDate" should be the start of that year' , ( ) => { expect ( fromDate ) . toEqual ( expectedFromDate ) ; } ) ; } ) ; describe ( 'when "toMonth" is passed in' , ( ) => { const toMonth = new Date ( 2021 , 4 , 3 ) ; const expectedToDate = new Date ( 2021 , 4 , 1 ) ; const { toDate } = parseFromToProps ( { toMonth } ) ; test ( '"toDate" should be the start of that month' , ( ) => { expect ( toDate ) . toEqual ( expectedToDate ) ; } ) ; describe ( 'when "fromYear" is passed in' , ( ) => { test ( '"toDate" should be the start of that month' , ( ) => { expect ( toDate ) . toEqual ( expectedToDate ) ; } ) ; } ) ; } ) ; describe ( 'when "toYear" is passed in' , ( ) => { const toYear = 2021 ; const expectedToDate = new Date ( 2021 , 11 , 31 ) ; const { toDate } = parseFromToProps ( { toYear } ) ; test ( '"toDate" should be the end of that year' , ( ) => { expect ( toDate ) . toEqual ( expectedToDate ) ; } ) ; } ) ;