import { assert, describe, expect, it } from 'vitest'
import {
  utf8FromBase64Node,
  utf8FromBase64Ponyfill,
} from './utf8-from-base64.js'

const strings = [
  'Hello, World!',
  '¡Hola, Mundo!',
  'こんにちは世界',
  '😀👩‍💻🌍',
  '',
  '𓀀𓁐𓂀𓃰𓄿𓅱𓆑𓇋𓈖𓉔𓊃𓋴𓌳𓍿𓎛𓏏',
]

for (const utf8FromBase64 of [
  utf8FromBase64Node,
  utf8FromBase64Ponyfill,
] as const) {
  assert(utf8FromBase64, 'implementation should not be null')

  describe(utf8FromBase64, () => {
    it('decodes base64 to utf8 string', () => {
      for (const text of strings) {
        const b64 = Buffer.from(text, 'utf8').toString('base64')
        const decoded = utf8FromBase64(b64, 'base64')
        expect(decoded).toBe(text)
      }
    })

    it('decodes base64url to utf8 string', () => {
      for (const text of strings) {
        const b64u = Buffer.from(text, 'utf8').toString('base64url')
        const decoded = utf8FromBase64(b64u, 'base64url')
        expect(decoded).toBe(text)
      }
    })
  })
}