sub2api/frontend/src/utils/__tests__/formatCompactNumber.spec.ts
Ethan0x0000 8640a62319 refactor: extract formatCompactNumber util and add last_used_at to refresh key
- Add formatCompactNumber() for consistent large-number formatting (K/M/B)
- Include last_used_at in OpenAI usage refresh key for better change detection
- Add .gitattributes eol=lf rules for frontend source files
2026-03-16 16:22:51 +08:00

23 lines
814 B
TypeScript

import { describe, expect, it } from 'vitest'
import { formatCompactNumber } from '../format'
describe('formatCompactNumber', () => {
it('formats boundary values with K/M/B', () => {
expect(formatCompactNumber(0)).toBe('0')
expect(formatCompactNumber(999)).toBe('999')
expect(formatCompactNumber(1000)).toBe('1.0K')
expect(formatCompactNumber(999999)).toBe('1000.0K')
expect(formatCompactNumber(1000000)).toBe('1.0M')
expect(formatCompactNumber(1000000000)).toBe('1.0B')
})
it('supports disabling billion unit (requests style)', () => {
expect(formatCompactNumber(1000000000, { allowBillions: false })).toBe('1000.0M')
})
it('returns 0 for nullish input', () => {
expect(formatCompactNumber(null)).toBe('0')
expect(formatCompactNumber(undefined)).toBe('0')
})
})