server/tests/utils/miscs/miscs.ts

   1 /* tslint:disable:no-unused-expression */
   2
   3 import * as chai from 'chai'
   4 import { isAbsolute, join } from 'path'
   5 import * as request from 'supertest'
   6 import * as WebTorrent from 'webtorrent'
   7 import { readFileBufferPromise } from '../../../helpers/core-utils'
   8 import { ServerInfo } from '..'
   9
  10 const expect = chai.expect
  11 let webtorrent = new WebTorrent()
  12
  13 function immutableAssign <T, U> (target: T, source: U) {
  14   return Object.assign<{}, T, U>({}, target, source)
  15 }
  16
  17   // Default interval -> 5 minutes
  18 function dateIsValid (dateString: string, interval = 300000) {
  19   const dateToCheck = new Date(dateString)
  20   const now = new Date()
  21
  22   return Math.abs(now.getTime() - dateToCheck.getTime()) <= interval
  23 }
  24
  25 function wait (milliseconds: number) {
  26   return new Promise(resolve => setTimeout(resolve, milliseconds))
  27 }
  28
  29 function webtorrentAdd (torrent: string, refreshWebTorrent = false) {
  30   if (refreshWebTorrent === true) webtorrent = new WebTorrent()
  31
  32   return new Promise<WebTorrent.Torrent>(res => webtorrent.add(torrent, res))
  33 }
  34
  35 function root () {
  36   // We are in server/tests/utils/miscs
  37   return join(__dirname, '..', '..', '..', '..')
  38 }
  39
  40 async function testImage (url: string, imageName: string, imagePath: string, extension = '.jpg') {
  41   // Don't test images if the node env is not set
  42   // Because we need a special ffmpeg version for this test
  43   if (process.env[ 'NODE_TEST_IMAGE' ]) {
  44     const res = await request(url)
  45       .get(imagePath)
  46       .expect(200)
  47
  48     const body = res.body
  49
  50     const data = await readFileBufferPromise(join(__dirname, '..', '..', 'fixtures', imageName + extension))
  51     const minLength = body.length - ((20 * body.length) / 100)
  52     const maxLength = body.length + ((20 * body.length) / 100)
  53
  54     expect(data.length).to.be.above(minLength)
  55     expect(data.length).to.be.below(maxLength)
  56   } else {
  57     console.log('Do not test images. Enable it by setting NODE_TEST_IMAGE env variable.')
  58     return true
  59   }
  60 }
  61
  62 function buildAbsoluteFixturePath (path: string) {
  63   if (isAbsolute(path)) {
  64     return path
  65   }
  66
  67   return join(__dirname, '..', '..', 'fixtures', path)
  68 }
  69
  70 // ---------------------------------------------------------------------------
  71
  72 export {
  73   dateIsValid,
  74   wait,
  75   webtorrentAdd,
  76   immutableAssign,
  77   testImage,
  78   buildAbsoluteFixturePath,
  79   root
  80 }