import { fileExtension, isAllowedUpload, safeOriginalName } from './file-allow';

describe('file upload allow list', () => {
  it('accepts csv and xlsx', () => {
    expect(isAllowedUpload('tabela.csv')).toBe(true);
    expect(isAllowedUpload('planilha.XLSX')).toBe(true);
  });

  it('rejects other extensions', () => {
    expect(isAllowedUpload('foto.exe')).toBe(false);
    expect(isAllowedUpload('sem-extensao')).toBe(false);
  });

  it('strips path from the original name', () => {
    expect(fileExtension('C:\\tmp\\a.csv')).toBe('csv');
    expect(safeOriginalName('C:\\tmp\\carga.csv')).toBe('carga.csv');
  });
});