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