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/* tslint:disable:no-unused-expression */
import * as chai from 'chai'
import { basename, dirname, isAbsolute, join, resolve } from 'path'
import * as request from 'supertest'
import * as WebTorrent from 'webtorrent'
import { ensureDir, pathExists, readFile } from 'fs-extra'
import * as ffmpeg from 'fluent-ffmpeg'
const expect = chai.expect
let webtorrent: WebTorrent.Instance
function immutableAssign <T, U> (target: T, source: U) {
return Object.assign<{}, T, U>({}, target, source)
}
// Default interval -> 5 minutes
function dateIsValid (dateString: string, interval = 300000) {
const dateToCheck = new Date(dateString)
const now = new Date()
return Math.abs(now.getTime() - dateToCheck.getTime()) <= interval
}
function wait (milliseconds: number) {
return new Promise(resolve => setTimeout(resolve, milliseconds))
}
function webtorrentAdd (torrent: string, refreshWebTorrent = false) {
const WebTorrent = require('webtorrent')
if (!webtorrent) webtorrent = new WebTorrent()
if (refreshWebTorrent === true) webtorrent = new WebTorrent()
return new Promise<WebTorrent.Torrent>(res => webtorrent.add(torrent, res))
}
function root () {
// We are in /miscs
let root = join(__dirname, '..', '..', '..')
if (basename(root) === 'dist') root = resolve(root, '..')
return root
}
async function testImage (url: string, imageName: string, imagePath: string, extension = '.jpg') {
const res = await request(url)
.get(imagePath)
.expect(200)
const body = res.body
const data = await readFile(join(root(), 'server', 'tests', 'fixtures', imageName + extension))
const minLength = body.length - ((20 * body.length) / 100)
const maxLength = body.length + ((20 * body.length) / 100)
expect(data.length).to.be.above(minLength)
expect(data.length).to.be.below(maxLength)
}
function buildAbsoluteFixturePath (path: string, customCIPath = false) {
if (isAbsolute(path)) {
return path
}
if (customCIPath && process.env.GITLAB_CI) return join(root(), 'cached-fixtures', path)
return join(root(), 'server', 'tests', 'fixtures', path)
}
async function generateHighBitrateVideo () {
const tempFixturePath = buildAbsoluteFixturePath('video_high_bitrate_1080p.mp4', true)
await ensureDir(dirname(tempFixturePath))
const exists = await pathExists(tempFixturePath)
if (!exists) {
// Generate a random, high bitrate video on the fly, so we don't have to include
// a large file in the repo. The video needs to have a certain minimum length so
// that FFmpeg properly applies bitrate limits.
// https://stackoverflow.com/a/15795112
return new Promise<string>(async (res, rej) => {
ffmpeg()
.outputOptions([ '-f rawvideo', '-video_size 1920x1080', '-i /dev/urandom' ])
.outputOptions([ '-ac 2', '-f s16le', '-i /dev/urandom', '-t 10' ])
.outputOptions([ '-maxrate 10M', '-bufsize 10M' ])
.output(tempFixturePath)
.on('error', rej)
.on('end', () => res(tempFixturePath))
.run()
})
}
return tempFixturePath
}
// ---------------------------------------------------------------------------
export {
dateIsValid,
wait,
webtorrentAdd,
immutableAssign,
testImage,
buildAbsoluteFixturePath,
root,
generateHighBitrateVideo
}
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