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 { readFile } from 'fs-extra'
   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   const res = await request(url)
  41     .get(imagePath)
  42     .expect(200)
  43
  44   const body = res.body
  45
  46   const data = await readFile(join(__dirname, '..', '..', 'fixtures', imageName + extension))
  47   const minLength = body.length - ((20 * body.length) / 100)
  48   const maxLength = body.length + ((20 * body.length) / 100)
  49
  50   expect(data.length).to.be.above(minLength)
  51   expect(data.length).to.be.below(maxLength)
  52 }
  53
  54 function buildAbsoluteFixturePath (path: string, customTravisPath = false) {
  55   if (isAbsolute(path)) {
  56     return path
  57   }
  58
  59   if (customTravisPath && process.env.TRAVIS) return join(process.env.HOME, 'fixtures', path)
  60
  61   return join(__dirname, '..', '..', 'fixtures', path)
  62 }
  63
  64 // ---------------------------------------------------------------------------
  65
  66 export {
  67   dateIsValid,
  68   wait,
  69   webtorrentAdd,
  70   immutableAssign,
  71   testImage,
  72   buildAbsoluteFixturePath,
  73   root
  74 }