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import {describe, expect, it} from '@jest/globals'
import {addDays, subDays, subHours, subMinutes, subSeconds} from 'date-fns'
import {dateDiff} from '../useTimeAgo'
const base = new Date('2024-06-17T00:00:00Z')
describe('dateDiff', () => {
it(`works with numbers`, () => {
const earlier = subDays(base, 3)
expect(dateDiff(earlier, Number(base))).toEqual({
value: 3,
unit: 'day',
earlier,
later: base,
})
})
it(`works with strings`, () => {
const earlier = subDays(base, 3)
expect(dateDiff(earlier, base.toString())).toEqual({
value: 3,
unit: 'day',
earlier,
later: base,
})
})
it(`works with dates`, () => {
const earlier = subDays(base, 3)
expect(dateDiff(earlier, base)).toEqual({
value: 3,
unit: 'day',
earlier,
later: base,
})
})
it(`equal values return now`, () => {
expect(dateDiff(base, base)).toEqual({
value: 0,
unit: 'now',
earlier: base,
later: base,
})
})
it(`future dates return now`, () => {
const earlier = addDays(base, 3)
expect(dateDiff(earlier, base)).toEqual({
value: 0,
unit: 'now',
earlier,
later: base,
})
})
it(`values < 5 seconds ago return now`, () => {
const then = subSeconds(base, 4)
expect(dateDiff(then, base)).toEqual({
value: 0,
unit: 'now',
earlier: then,
later: base,
})
})
it(`values >= 5 seconds ago return seconds`, () => {
const then = subSeconds(base, 5)
expect(dateDiff(then, base)).toEqual({
value: 5,
unit: 'second',
earlier: then,
later: base,
})
})
it(`values < 1 min return seconds`, () => {
const then = subSeconds(base, 59)
expect(dateDiff(then, base)).toEqual({
value: 59,
unit: 'second',
earlier: then,
later: base,
})
})
it(`values >= 1 min return minutes`, () => {
const then = subSeconds(base, 60)
expect(dateDiff(then, base)).toEqual({
value: 1,
unit: 'minute',
earlier: then,
later: base,
})
})
it(`minutes round down`, () => {
const then = subSeconds(base, 119)
expect(dateDiff(then, base)).toEqual({
value: 1,
unit: 'minute',
earlier: then,
later: base,
})
})
it(`values < 1 hour return minutes`, () => {
const then = subMinutes(base, 59)
expect(dateDiff(then, base)).toEqual({
value: 59,
unit: 'minute',
earlier: then,
later: base,
})
})
it(`values >= 1 hour return hours`, () => {
const then = subMinutes(base, 60)
expect(dateDiff(then, base)).toEqual({
value: 1,
unit: 'hour',
earlier: then,
later: base,
})
})
it(`hours round down`, () => {
const then = subMinutes(base, 119)
expect(dateDiff(then, base)).toEqual({
value: 1,
unit: 'hour',
earlier: then,
later: base,
})
})
it(`values < 1 day return hours`, () => {
const then = subHours(base, 23)
expect(dateDiff(then, base)).toEqual({
value: 23,
unit: 'hour',
earlier: then,
later: base,
})
})
it(`values >= 1 day return days`, () => {
const then = subHours(base, 24)
expect(dateDiff(then, base)).toEqual({
value: 1,
unit: 'day',
earlier: then,
later: base,
})
})
it(`days round down`, () => {
const then = subHours(base, 47)
expect(dateDiff(then, base)).toEqual({
value: 1,
unit: 'day',
earlier: then,
later: base,
})
})
it(`values < 30 days return days`, () => {
const then = subDays(base, 29)
expect(dateDiff(then, base)).toEqual({
value: 29,
unit: 'day',
earlier: then,
later: base,
})
})
it(`values >= 30 days return months`, () => {
const then = subDays(base, 30)
expect(dateDiff(then, base)).toEqual({
value: 1,
unit: 'month',
earlier: then,
later: base,
})
})
it(`months round down`, () => {
const then = subDays(base, 59)
expect(dateDiff(then, base)).toEqual({
value: 1,
unit: 'month',
earlier: then,
later: base,
})
})
it(`values are rounded by increments of 30`, () => {
const then = subDays(base, 61)
expect(dateDiff(then, base)).toEqual({
value: 2,
unit: 'month',
earlier: then,
later: base,
})
})
it(`values < 360 days return months`, () => {
const then = subDays(base, 359)
expect(dateDiff(then, base)).toEqual({
value: 11,
unit: 'month',
earlier: then,
later: base,
})
})
it(`values >= 360 days return the earlier value`, () => {
const then = subDays(base, 360)
expect(dateDiff(then, base)).toEqual({
value: 12,
unit: 'month',
earlier: then,
later: base,
})
})
})
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