import assert from 'node:assert/strict'
import { test } from 'node:test'
import { byteStringResponseHeaders } from './response-headers.js'

test('заголовки с кириллицей совместимы с Headers, обычные значения сохраняются', () => {
  const original = {
    'X-Name': ['пример'],
    Location: ['https://media.test/папка/трек.mp3?name=%D0%B0'],
    'Content-Disposition': ['attachment; filename="пример.mp3"'],
    'Content-Length': ['1024'],
    'Content-Type': ['audio/wav'],
    'X-Latin': ['caf\u00e9'],
    'Set-Cookie': ['a=1', 'b=2'],
  }
  const result = byteStringResponseHeaders(original)
  const headers = new Headers(Object.fromEntries(Object.entries(result).map(([name, values]) => [name, values.join(', ')])))
  assert.equal(headers.get('x-name'), encodeURIComponent('пример'))
  assert.equal(headers.get('location'), new URL(original.Location[0]!).href)
  assert.equal(result['Content-Disposition']![0], `attachment; filename="${encodeURIComponent('пример')}.mp3"`)
  for (const name of ['Content-Length', 'Content-Type', 'X-Latin', 'Set-Cookie'] as const)
    assert.deepEqual(result[name], original[name])
  assert.equal(original['X-Name'][0], 'пример')
  assert.deepEqual(byteStringResponseHeaders(), {})
})