import { describe, expect, it } from 'vitest';
import { contentDisposition } from './content-disposition.js';

describe('contentDisposition', () => {
  it('encodes a plain ASCII name', () => {
    expect(contentDisposition('attachment', 'report.pdf')).toBe(
      `attachment; filename="report.pdf"; filename*=UTF-8''report.pdf`,
    );
  });

  it('encodes cyrillic with an ASCII fallback', () => {
    expect(contentDisposition('inline', 'Отчёт.png')).toBe(
      `inline; filename="_____.png"; filename*=UTF-8''%D0%9E%D1%82%D1%87%D1%91%D1%82.png`,
    );
  });

  it('escapes quotes and RFC 5987 special characters', () => {
    expect(contentDisposition('attachment', `a"b'(c).txt`)).toBe(
      `attachment; filename="a_b'(c).txt"; filename*=UTF-8''a%22b%27%28c%29.txt`,
    );
  });
});