res.download.js — express Source File

Source Code

'use strict'

var after = require('after');
var assert = require('node:assert')
var AsyncLocalStorage = require('node:async_hooks').AsyncLocalStorage
const { Buffer } = require('node:buffer');

var express = require('..');
var path = require('node:path')
var request = require('supertest');
var utils = require('./support/utils')

var FIXTURES_PATH = path.join(__dirname, 'fixtures')

describe('res', function(){
  describe('.download(path)', function(){
    it('should transfer as an attachment', function(done){
      var app = express();

      app.use(function(req, res){
        res.download('test/fixtures/user.html');
      });

      request(app)
      .get('/')
      .expect('Content-Type', 'text/html; charset=utf-8')
      .expect('Content-Disposition', 'attachment; filename="user.html"')
      .expect(200, '<p>{{user.name}}</p>', done)
    })

    it('should accept range requests', function (done) {
      var app = express()

      app.get('/', function (req, res) {
        res.download('test/fixtures/user.html')
      })

      request(app)
        .get('/')
        .expect('Accept-Ranges', 'bytes')
        .expect(200, '<p>{{user.name}}</p>', done)
    })

    it('should respond with requested byte range', function (done) {
      var app = express()

      app.get('/', function (req, res) {
        res.download('test/fixtures/user.html')
      })

      request(app)
        .get('/')
        .set('Range', 'bytes=0-2')
        .expect('Content-Range', 'bytes 0-2/20')
        .expect(206, '<p>', done)
    })
  })

  describe('.download(path, filename)', function(){
    it('should provide an alternate filename', function(done){
// ... (428 more lines)