Files
pulse/lib/utils/__tests__/formatDate.test.ts

150 lines
4.1 KiB
TypeScript

import { describe, it, expect, vi, afterEach } from 'vitest'
import {
formatDate,
formatDateShort,
formatDateTime,
formatTime,
formatMonth,
formatDateISO,
formatDateFull,
formatDateTimeFull,
formatDateLong,
formatRelativeTime,
formatDateTimeShort,
} from '../formatDate'
// Fixed date: Friday 14 March 2025, 14:30:00 UTC
const date = new Date('2025-03-14T14:30:00Z')
describe('formatDate', () => {
it('returns day-first format with short month', () => {
const result = formatDate(date)
expect(result).toContain('14')
expect(result).toContain('Mar')
expect(result).toContain('2025')
})
})
describe('formatDateShort', () => {
it('omits year when same as current year', () => {
const now = new Date()
const sameYear = new Date(`${now.getFullYear()}-06-15T10:00:00Z`)
const result = formatDateShort(sameYear)
expect(result).toContain('15')
expect(result).toContain('Jun')
expect(result).not.toContain(String(now.getFullYear()))
})
it('includes year when different from current year', () => {
const oldDate = new Date('2020-06-15T10:00:00Z')
const result = formatDateShort(oldDate)
expect(result).toContain('2020')
})
})
describe('formatDateTime', () => {
it('includes date and 24-hour time', () => {
const result = formatDateTime(date)
expect(result).toContain('14')
expect(result).toContain('Mar')
expect(result).toContain('2025')
// 24-hour format check: should contain 14:30 (UTC) or local equivalent
expect(result).toMatch(/\d{2}:\d{2}/)
})
})
describe('formatTime', () => {
it('returns HH:MM in 24-hour format', () => {
const result = formatTime(date)
expect(result).toMatch(/^\d{2}:\d{2}$/)
})
})
describe('formatMonth', () => {
it('returns full month name and year', () => {
const result = formatMonth(date)
expect(result).toContain('March')
expect(result).toContain('2025')
})
})
describe('formatDateISO', () => {
it('returns YYYY-MM-DD format', () => {
expect(formatDateISO(date)).toBe('2025-03-14')
})
})
describe('formatDateFull', () => {
it('includes weekday', () => {
const result = formatDateFull(date)
expect(result).toContain('Fri')
expect(result).toContain('14')
expect(result).toContain('Mar')
expect(result).toContain('2025')
})
})
describe('formatDateTimeFull', () => {
it('includes weekday and time', () => {
const result = formatDateTimeFull(date)
expect(result).toContain('Fri')
expect(result).toMatch(/\d{2}:\d{2}/)
})
})
describe('formatDateLong', () => {
it('uses full month name', () => {
const result = formatDateLong(date)
expect(result).toContain('March')
expect(result).toContain('2025')
expect(result).toContain('14')
})
})
describe('formatRelativeTime', () => {
afterEach(() => {
vi.useRealTimers()
})
it('returns "Just now" for times less than a minute ago', () => {
vi.useFakeTimers()
vi.setSystemTime(new Date('2025-03-14T14:30:30Z'))
expect(formatRelativeTime('2025-03-14T14:30:00Z')).toBe('Just now')
})
it('returns minutes ago', () => {
vi.useFakeTimers()
vi.setSystemTime(new Date('2025-03-14T14:35:00Z'))
expect(formatRelativeTime('2025-03-14T14:30:00Z')).toBe('5m ago')
})
it('returns hours ago', () => {
vi.useFakeTimers()
vi.setSystemTime(new Date('2025-03-14T16:30:00Z'))
expect(formatRelativeTime('2025-03-14T14:30:00Z')).toBe('2h ago')
})
it('returns days ago', () => {
vi.useFakeTimers()
vi.setSystemTime(new Date('2025-03-17T14:30:00Z'))
expect(formatRelativeTime('2025-03-14T14:30:00Z')).toBe('3d ago')
})
it('falls back to short date after 7 days', () => {
vi.useFakeTimers()
vi.setSystemTime(new Date('2025-03-25T14:30:00Z'))
const result = formatRelativeTime('2025-03-14T14:30:00Z')
expect(result).toContain('14')
expect(result).toContain('Mar')
})
})
describe('formatDateTimeShort', () => {
it('includes date and time', () => {
const result = formatDateTimeShort(date)
expect(result).toContain('14')
expect(result).toContain('Mar')
expect(result).toMatch(/\d{2}:\d{2}/)
})
})