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
   9 const expect = chai.expect
  10 let webtorrent = new WebTorrent()
  11
  12 function immutableAssign <T, U> (target: T, source: U) {
  13   return Object.assign<{}, T, U>({}, target, source)
  14 }
  15
  16   // Default interval -> 5 minutes
  17 function dateIsValid (dateString: string, interval = 300000) {
  18   const dateToCheck = new Date(dateString)
  19   const now = new Date()
  20
  21   return Math.abs(now.getTime() - dateToCheck.getTime()) <= interval
  22 }
  23
  24 function wait (milliseconds: number) {
  25   return new Promise(resolve => setTimeout(resolve, milliseconds))
  26 }
  27
  28 function webtorrentAdd (torrent: string, refreshWebTorrent = false) {
  29   if (refreshWebTorrent === true) webtorrent = new WebTorrent()
  30
  31   return new Promise<WebTorrent.Torrent>(res => webtorrent.add(torrent, res))
  32 }
  33
  34 function root () {
  35   // We are in server/tests/utils/miscs
  36   return join(__dirname, '..', '..', '..', '..')
  37 }
  38
  39 async function testImage (url: string, imageName: string, imagePath: string, extension = '.jpg') {
  40   // Don't test images if the node env is not set
  41   // Because we need a special ffmpeg version for this test
  42   if (process.env[ 'NODE_TEST_IMAGE' ]) {
  43     const res = await request(url)
  44       .get(imagePath)
  45       .expect(200)
  46
  47     const body = res.body
  48
  49     const data = await readFileBufferPromise(join(__dirname, '..', '..', 'fixtures', imageName + extension))
  50     const minLength = body.length - ((20 * body.length) / 100)
  51     const maxLength = body.length + ((20 * body.length) / 100)
  52
  53     expect(data.length).to.be.above(minLength)
  54     expect(data.length).to.be.below(maxLength)
  55   } else {
  56     console.log('Do not test images. Enable it by setting NODE_TEST_IMAGE env variable.')
  57     return true
  58   }
  59 }
  60
  61 function buildAbsoluteFixturePath (path: string) {
  62   if (isAbsolute(path)) {
  63     return path
  64   }
  65
  66   return join(__dirname, '..', '..', 'fixtures', path)
  67 }
  68
  69 // ---------------------------------------------------------------------------
  70
  71 export {
  72   dateIsValid,
  73   wait,
  74   webtorrentAdd,
  75   immutableAssign,
  76   testImage,
  77   buildAbsoluteFixturePath,
  78   root
  79 }