test/unit/app/utils/formatters.spec.ts at main

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npmx.dev / test / unit / app / utils / formatters.spec.ts

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Denys feat(i18n): format numbers with `Intl.NumberFormat` (#1149) 1mo ago

5ad013bc

 1import { describe, expect, it } from 'vitest'
 2import { decodeHtmlEntities, toIsoDateString } from '../../../../app/utils/formatters'
 3
 4describe('toIsoDateString', () => {
 5  it('formats a date as YYYY-MM-DD', () => {
 6    expect(toIsoDateString(new Date('2024-03-15T00:00:00Z'))).toBe('2024-03-15')
 7  })
 8
 9  it('pads single-digit month and day', () => {
10    expect(toIsoDateString(new Date('2024-01-05T00:00:00Z'))).toBe('2024-01-05')
11  })
12})
13
14describe('decodeHtmlEntities', () => {
15  it.each([
16    ['&amp;', '&'],
17    ['&lt;', '<'],
18    ['&gt;', '>'],
19    ['&quot;', '"'],
20    ['&#39;', "'"],
21    ['&apos;', "'"],
22    ['&nbsp;', ' '],
23  ] as const)('%s → %s', (input, expected) => {
24    expect(decodeHtmlEntities(input)).toBe(expected)
25  })
26
27  it('decodes multiple entities in one string', () => {
28    expect(decodeHtmlEntities('a &amp; b &lt; c')).toBe('a & b < c')
29  })
30
31  it('leaves plain text unchanged', () => {
32    expect(decodeHtmlEntities('say no to bloat')).toBe('say no to bloat')
33  })
34
35  it('leaves unknown entities unchanged', () => {
36    expect(decodeHtmlEntities('&unknown;')).toBe('&unknown;')
37  })
38})