server/tests/api/videos/video-transcoder.ts

   1 /* eslint-disable @typescript-eslint/no-unused-expressions,@typescript-eslint/require-await */
   2
   3 import 'mocha'
   4 import * as chai from 'chai'
   5 import { omit } from 'lodash'
   6 import { join } from 'path'
   7 import {
   8   buildAbsoluteFixturePath,
   9   cleanupTests,
  10   createMultipleServers,
  11   doubleFollow,
  12   generateHighBitrateVideo,
  13   generateVideoWithFramerate,
  14   makeGetRequest,
  15   PeerTubeServer,
  16   setAccessTokensToServers,
  17   waitJobs,
  18   webtorrentAdd
  19 } from '@shared/extra-utils'
  20 import { getMaxBitrate, HttpStatusCode, VideoResolution, VideoState } from '@shared/models'
  21 import { VIDEO_TRANSCODING_FPS } from '../../../../server/initializers/constants'
  22 import {
  23   canDoQuickTranscode,
  24   getAudioStream,
  25   getMetadataFromFile,
  26   getVideoFileBitrate,
  27   getVideoFileFPS,
  28   getVideoFileResolution
  29 } from '../../../helpers/ffprobe-utils'
  30
  31 const expect = chai.expect
  32
  33 function updateConfigForTranscoding (server: PeerTubeServer) {
  34   return server.config.updateCustomSubConfig({
  35     newConfig: {
  36       transcoding: {
  37         enabled: true,
  38         allowAdditionalExtensions: true,
  39         allowAudioFiles: true,
  40         hls: { enabled: true },
  41         webtorrent: { enabled: true },
  42         resolutions: {
  43           '0p': false,
  44           '240p': true,
  45           '360p': true,
  46           '480p': true,
  47           '720p': true,
  48           '1080p': true,
  49           '1440p': true,
  50           '2160p': true
  51         }
  52       }
  53     }
  54   })
  55 }
  56
  57 describe('Test video transcoding', function () {
  58   let servers: PeerTubeServer[] = []
  59   let video4k: string
  60
  61   before(async function () {
  62     this.timeout(30_000)
  63
  64     // Run servers
  65     servers = await createMultipleServers(2)
  66
  67     await setAccessTokensToServers(servers)
  68
  69     await doubleFollow(servers[0], servers[1])
  70
  71     await updateConfigForTranscoding(servers[1])
  72   })
  73
  74   describe('Basic transcoding (or not)', function () {
  75
  76     it('Should not transcode video on server 1', async function () {
  77       this.timeout(60_000)
  78
  79       const attributes = {
  80         name: 'my super name for server 1',
  81         description: 'my super description for server 1',
  82         fixture: 'video_short.webm'
  83       }
  84       await servers[0].videos.upload({ attributes })
  85
  86       await waitJobs(servers)
  87
  88       for (const server of servers) {
  89         const { data } = await server.videos.list()
  90         const video = data[0]
  91
  92         const videoDetails = await server.videos.get({ id: video.id })
  93         expect(videoDetails.files).to.have.lengthOf(1)
  94
  95         const magnetUri = videoDetails.files[0].magnetUri
  96         expect(magnetUri).to.match(/\.webm/)
  97
  98         const torrent = await webtorrentAdd(magnetUri, true)
  99         expect(torrent.files).to.be.an('array')
 100         expect(torrent.files.length).to.equal(1)
 101         expect(torrent.files[0].path).match(/\.webm$/)
 102       }
 103     })
 104
 105     it('Should transcode video on server 2', async function () {
 106       this.timeout(120_000)
 107
 108       const attributes = {
 109         name: 'my super name for server 2',
 110         description: 'my super description for server 2',
 111         fixture: 'video_short.webm'
 112       }
 113       await servers[1].videos.upload({ attributes })
 114
 115       await waitJobs(servers)
 116
 117       for (const server of servers) {
 118         const { data } = await server.videos.list()
 119
 120         const video = data.find(v => v.name === attributes.name)
 121         const videoDetails = await server.videos.get({ id: video.id })
 122
 123         expect(videoDetails.files).to.have.lengthOf(4)
 124
 125         const magnetUri = videoDetails.files[0].magnetUri
 126         expect(magnetUri).to.match(/\.mp4/)
 127
 128         const torrent = await webtorrentAdd(magnetUri, true)
 129         expect(torrent.files).to.be.an('array')
 130         expect(torrent.files.length).to.equal(1)
 131         expect(torrent.files[0].path).match(/\.mp4$/)
 132       }
 133     })
 134
 135     it('Should wait for transcoding before publishing the video', async function () {
 136       this.timeout(160_000)
 137
 138       {
 139         // Upload the video, but wait transcoding
 140         const attributes = {
 141           name: 'waiting video',
 142           fixture: 'video_short1.webm',
 143           waitTranscoding: true
 144         }
 145         const { uuid } = await servers[1].videos.upload({ attributes })
 146         const videoId = uuid
 147
 148         // Should be in transcode state
 149         const body = await servers[1].videos.get({ id: videoId })
 150         expect(body.name).to.equal('waiting video')
 151         expect(body.state.id).to.equal(VideoState.TO_TRANSCODE)
 152         expect(body.state.label).to.equal('To transcode')
 153         expect(body.waitTranscoding).to.be.true
 154
 155         {
 156           // Should have my video
 157           const { data } = await servers[1].videos.listMyVideos()
 158           const videoToFindInMine = data.find(v => v.name === attributes.name)
 159           expect(videoToFindInMine).not.to.be.undefined
 160           expect(videoToFindInMine.state.id).to.equal(VideoState.TO_TRANSCODE)
 161           expect(videoToFindInMine.state.label).to.equal('To transcode')
 162           expect(videoToFindInMine.waitTranscoding).to.be.true
 163         }
 164
 165         {
 166           // Should not list this video
 167           const { data } = await servers[1].videos.list()
 168           const videoToFindInList = data.find(v => v.name === attributes.name)
 169           expect(videoToFindInList).to.be.undefined
 170         }
 171
 172         // Server 1 should not have the video yet
 173         await servers[0].videos.get({ id: videoId, expectedStatus: HttpStatusCode.NOT_FOUND_404 })
 174       }
 175
 176       await waitJobs(servers)
 177
 178       for (const server of servers) {
 179         const { data } = await server.videos.list()
 180         const videoToFind = data.find(v => v.name === 'waiting video')
 181         expect(videoToFind).not.to.be.undefined
 182
 183         const videoDetails = await server.videos.get({ id: videoToFind.id })
 184
 185         expect(videoDetails.state.id).to.equal(VideoState.PUBLISHED)
 186         expect(videoDetails.state.label).to.equal('Published')
 187         expect(videoDetails.waitTranscoding).to.be.true
 188       }
 189     })
 190
 191     it('Should accept and transcode additional extensions', async function () {
 192       this.timeout(300_000)
 193
 194       let tempFixturePath: string
 195
 196       {
 197         tempFixturePath = await generateHighBitrateVideo()
 198
 199         const bitrate = await getVideoFileBitrate(tempFixturePath)
 200         expect(bitrate).to.be.above(getMaxBitrate(VideoResolution.H_1080P, 25, VIDEO_TRANSCODING_FPS))
 201       }
 202
 203       for (const fixture of [ 'video_short.mkv', 'video_short.avi' ]) {
 204         const attributes = {
 205           name: fixture,
 206           fixture
 207         }
 208
 209         await servers[1].videos.upload({ attributes })
 210
 211         await waitJobs(servers)
 212
 213         for (const server of servers) {
 214           const { data } = await server.videos.list()
 215
 216           const video = data.find(v => v.name === attributes.name)
 217           const videoDetails = await server.videos.get({ id: video.id })
 218           expect(videoDetails.files).to.have.lengthOf(4)
 219
 220           const magnetUri = videoDetails.files[0].magnetUri
 221           expect(magnetUri).to.contain('.mp4')
 222         }
 223       }
 224     })
 225
 226     it('Should transcode a 4k video', async function () {
 227       this.timeout(200_000)
 228
 229       const attributes = {
 230         name: '4k video',
 231         fixture: 'video_short_4k.mp4'
 232       }
 233
 234       const { uuid } = await servers[1].videos.upload({ attributes })
 235       video4k = uuid
 236
 237       await waitJobs(servers)
 238
 239       const resolutions = [ 240, 360, 480, 720, 1080, 1440, 2160 ]
 240
 241       for (const server of servers) {
 242         const videoDetails = await server.videos.get({ id: video4k })
 243         expect(videoDetails.files).to.have.lengthOf(resolutions.length)
 244
 245         for (const r of resolutions) {
 246           expect(videoDetails.files.find(f => f.resolution.id === r)).to.not.be.undefined
 247           expect(videoDetails.streamingPlaylists[0].files.find(f => f.resolution.id === r)).to.not.be.undefined
 248         }
 249       }
 250     })
 251   })
 252
 253   describe('Audio transcoding', function () {
 254
 255     it('Should transcode high bit rate mp3 to proper bit rate', async function () {
 256       this.timeout(60_000)
 257
 258       const attributes = {
 259         name: 'mp3_256k',
 260         fixture: 'video_short_mp3_256k.mp4'
 261       }
 262       await servers[1].videos.upload({ attributes })
 263
 264       await waitJobs(servers)
 265
 266       for (const server of servers) {
 267         const { data } = await server.videos.list()
 268
 269         const video = data.find(v => v.name === attributes.name)
 270         const videoDetails = await server.videos.get({ id: video.id })
 271
 272         expect(videoDetails.files).to.have.lengthOf(4)
 273
 274         const path = servers[1].servers.buildDirectory(join('videos', video.uuid + '-240.mp4'))
 275         const probe = await getAudioStream(path)
 276
 277         if (probe.audioStream) {
 278           expect(probe.audioStream['codec_name']).to.be.equal('aac')
 279           expect(probe.audioStream['bit_rate']).to.be.at.most(384 * 8000)
 280         } else {
 281           this.fail('Could not retrieve the audio stream on ' + probe.absolutePath)
 282         }
 283       }
 284     })
 285
 286     it('Should transcode video with no audio and have no audio itself', async function () {
 287       this.timeout(60_000)
 288
 289       const attributes = {
 290         name: 'no_audio',
 291         fixture: 'video_short_no_audio.mp4'
 292       }
 293       await servers[1].videos.upload({ attributes })
 294
 295       await waitJobs(servers)
 296
 297       for (const server of servers) {
 298         const { data } = await server.videos.list()
 299
 300         const video = data.find(v => v.name === attributes.name)
 301         const videoDetails = await server.videos.get({ id: video.id })
 302
 303         expect(videoDetails.files).to.have.lengthOf(4)
 304         const path = servers[1].servers.buildDirectory(join('videos', video.uuid + '-240.mp4'))
 305         const probe = await getAudioStream(path)
 306         expect(probe).to.not.have.property('audioStream')
 307       }
 308     })
 309
 310     it('Should leave the audio untouched, but properly transcode the video', async function () {
 311       this.timeout(60_000)
 312
 313       const attributes = {
 314         name: 'untouched_audio',
 315         fixture: 'video_short.mp4'
 316       }
 317       await servers[1].videos.upload({ attributes })
 318
 319       await waitJobs(servers)
 320
 321       for (const server of servers) {
 322         const { data } = await server.videos.list()
 323
 324         const video = data.find(v => v.name === attributes.name)
 325         const videoDetails = await server.videos.get({ id: video.id })
 326
 327         expect(videoDetails.files).to.have.lengthOf(4)
 328
 329         const fixturePath = buildAbsoluteFixturePath(attributes.fixture)
 330         const fixtureVideoProbe = await getAudioStream(fixturePath)
 331         const path = servers[1].servers.buildDirectory(join('videos', video.uuid + '-240.mp4'))
 332
 333         const videoProbe = await getAudioStream(path)
 334
 335         if (videoProbe.audioStream && fixtureVideoProbe.audioStream) {
 336           const toOmit = [ 'max_bit_rate', 'duration', 'duration_ts', 'nb_frames', 'start_time', 'start_pts' ]
 337           expect(omit(videoProbe.audioStream, toOmit)).to.be.deep.equal(omit(fixtureVideoProbe.audioStream, toOmit))
 338         } else {
 339           this.fail('Could not retrieve the audio stream on ' + videoProbe.absolutePath)
 340         }
 341       }
 342     })
 343   })
 344
 345   describe('Audio upload', function () {
 346
 347     function runSuite (mode: 'legacy' | 'resumable') {
 348
 349       before(async function () {
 350         await servers[1].config.updateCustomSubConfig({
 351           newConfig: {
 352             transcoding: {
 353               hls: { enabled: true },
 354               webtorrent: { enabled: true },
 355               resolutions: {
 356                 '0p': false,
 357                 '240p': false,
 358                 '360p': false,
 359                 '480p': false,
 360                 '720p': false,
 361                 '1080p': false,
 362                 '1440p': false,
 363                 '2160p': false
 364               }
 365             }
 366           }
 367         })
 368       })
 369
 370       it('Should merge an audio file with the preview file', async function () {
 371         this.timeout(60_000)
 372
 373         const attributes = { name: 'audio_with_preview', previewfile: 'preview.jpg', fixture: 'sample.ogg' }
 374         await servers[1].videos.upload({ attributes, mode })
 375
 376         await waitJobs(servers)
 377
 378         for (const server of servers) {
 379           const { data } = await server.videos.list()
 380
 381           const video = data.find(v => v.name === 'audio_with_preview')
 382           const videoDetails = await server.videos.get({ id: video.id })
 383
 384           expect(videoDetails.files).to.have.lengthOf(1)
 385
 386           await makeGetRequest({ url: server.url, path: videoDetails.thumbnailPath, expectedStatus: HttpStatusCode.OK_200 })
 387           await makeGetRequest({ url: server.url, path: videoDetails.previewPath, expectedStatus: HttpStatusCode.OK_200 })
 388
 389           const magnetUri = videoDetails.files[0].magnetUri
 390           expect(magnetUri).to.contain('.mp4')
 391         }
 392       })
 393
 394       it('Should upload an audio file and choose a default background image', async function () {
 395         this.timeout(60_000)
 396
 397         const attributes = { name: 'audio_without_preview', fixture: 'sample.ogg' }
 398         await servers[1].videos.upload({ attributes, mode })
 399
 400         await waitJobs(servers)
 401
 402         for (const server of servers) {
 403           const { data } = await server.videos.list()
 404
 405           const video = data.find(v => v.name === 'audio_without_preview')
 406           const videoDetails = await server.videos.get({ id: video.id })
 407
 408           expect(videoDetails.files).to.have.lengthOf(1)
 409
 410           await makeGetRequest({ url: server.url, path: videoDetails.thumbnailPath, expectedStatus: HttpStatusCode.OK_200 })
 411           await makeGetRequest({ url: server.url, path: videoDetails.previewPath, expectedStatus: HttpStatusCode.OK_200 })
 412
 413           const magnetUri = videoDetails.files[0].magnetUri
 414           expect(magnetUri).to.contain('.mp4')
 415         }
 416       })
 417
 418       it('Should upload an audio file and create an audio version only', async function () {
 419         this.timeout(60_000)
 420
 421         await servers[1].config.updateCustomSubConfig({
 422           newConfig: {
 423             transcoding: {
 424               hls: { enabled: true },
 425               webtorrent: { enabled: true },
 426               resolutions: {
 427                 '0p': true,
 428                 '240p': false,
 429                 '360p': false
 430               }
 431             }
 432           }
 433         })
 434
 435         const attributes = { name: 'audio_with_preview', previewfile: 'preview.jpg', fixture: 'sample.ogg' }
 436         const { id } = await servers[1].videos.upload({ attributes, mode })
 437
 438         await waitJobs(servers)
 439
 440         for (const server of servers) {
 441           const videoDetails = await server.videos.get({ id })
 442
 443           for (const files of [ videoDetails.files, videoDetails.streamingPlaylists[0].files ]) {
 444             expect(files).to.have.lengthOf(2)
 445             expect(files.find(f => f.resolution.id === 0)).to.not.be.undefined
 446           }
 447         }
 448
 449         await updateConfigForTranscoding(servers[1])
 450       })
 451     }
 452
 453     describe('Legacy upload', function () {
 454       runSuite('legacy')
 455     })
 456
 457     describe('Resumable upload', function () {
 458       runSuite('resumable')
 459     })
 460   })
 461
 462   describe('Framerate', function () {
 463
 464     it('Should transcode a 60 FPS video', async function () {
 465       this.timeout(60_000)
 466
 467       const attributes = {
 468         name: 'my super 30fps name for server 2',
 469         description: 'my super 30fps description for server 2',
 470         fixture: '60fps_720p_small.mp4'
 471       }
 472       await servers[1].videos.upload({ attributes })
 473
 474       await waitJobs(servers)
 475
 476       for (const server of servers) {
 477         const { data } = await server.videos.list()
 478
 479         const video = data.find(v => v.name === attributes.name)
 480         const videoDetails = await server.videos.get({ id: video.id })
 481
 482         expect(videoDetails.files).to.have.lengthOf(4)
 483         expect(videoDetails.files[0].fps).to.be.above(58).and.below(62)
 484         expect(videoDetails.files[1].fps).to.be.below(31)
 485         expect(videoDetails.files[2].fps).to.be.below(31)
 486         expect(videoDetails.files[3].fps).to.be.below(31)
 487
 488         for (const resolution of [ '240', '360', '480' ]) {
 489           const path = servers[1].servers.buildDirectory(join('videos', video.uuid + '-' + resolution + '.mp4'))
 490           const fps = await getVideoFileFPS(path)
 491
 492           expect(fps).to.be.below(31)
 493         }
 494
 495         const path = servers[1].servers.buildDirectory(join('videos', video.uuid + '-720.mp4'))
 496         const fps = await getVideoFileFPS(path)
 497
 498         expect(fps).to.be.above(58).and.below(62)
 499       }
 500     })
 501
 502     it('Should downscale to the closest divisor standard framerate', async function () {
 503       this.timeout(200_000)
 504
 505       let tempFixturePath: string
 506
 507       {
 508         tempFixturePath = await generateVideoWithFramerate(59)
 509
 510         const fps = await getVideoFileFPS(tempFixturePath)
 511         expect(fps).to.be.equal(59)
 512       }
 513
 514       const attributes = {
 515         name: '59fps video',
 516         description: '59fps video',
 517         fixture: tempFixturePath
 518       }
 519
 520       await servers[1].videos.upload({ attributes })
 521
 522       await waitJobs(servers)
 523
 524       for (const server of servers) {
 525         const { data } = await server.videos.list()
 526
 527         const video = data.find(v => v.name === attributes.name)
 528
 529         {
 530           const path = servers[1].servers.buildDirectory(join('videos', video.uuid + '-240.mp4'))
 531           const fps = await getVideoFileFPS(path)
 532           expect(fps).to.be.equal(25)
 533         }
 534
 535         {
 536           const path = servers[1].servers.buildDirectory(join('videos', video.uuid + '-720.mp4'))
 537           const fps = await getVideoFileFPS(path)
 538           expect(fps).to.be.equal(59)
 539         }
 540       }
 541     })
 542   })
 543
 544   describe('Bitrate control', function () {
 545     it('Should respect maximum bitrate values', async function () {
 546       this.timeout(160_000)
 547
 548       let tempFixturePath: string
 549
 550       {
 551         tempFixturePath = await generateHighBitrateVideo()
 552
 553         const bitrate = await getVideoFileBitrate(tempFixturePath)
 554         expect(bitrate).to.be.above(getMaxBitrate(VideoResolution.H_1080P, 25, VIDEO_TRANSCODING_FPS))
 555       }
 556
 557       const attributes = {
 558         name: 'high bitrate video',
 559         description: 'high bitrate video',
 560         fixture: tempFixturePath
 561       }
 562
 563       await servers[1].videos.upload({ attributes })
 564
 565       await waitJobs(servers)
 566
 567       for (const server of servers) {
 568         const { data } = await server.videos.list()
 569
 570         const video = data.find(v => v.name === attributes.name)
 571
 572         for (const resolution of [ '240', '360', '480', '720', '1080' ]) {
 573           const path = servers[1].servers.buildDirectory(join('videos', video.uuid + '-' + resolution + '.mp4'))
 574
 575           const bitrate = await getVideoFileBitrate(path)
 576           const fps = await getVideoFileFPS(path)
 577           const resolution2 = await getVideoFileResolution(path)
 578
 579           expect(resolution2.videoFileResolution.toString()).to.equal(resolution)
 580           expect(bitrate).to.be.below(getMaxBitrate(resolution2.videoFileResolution, fps, VIDEO_TRANSCODING_FPS))
 581         }
 582       }
 583     })
 584
 585     it('Should not transcode to an higher bitrate than the original file', async function () {
 586       this.timeout(160_000)
 587
 588       const newConfig = {
 589         transcoding: {
 590           enabled: true,
 591           resolutions: {
 592             '240p': true,
 593             '360p': true,
 594             '480p': true,
 595             '720p': true,
 596             '1080p': true,
 597             '1440p': true,
 598             '2160p': true
 599           },
 600           webtorrent: { enabled: true },
 601           hls: { enabled: true }
 602         }
 603       }
 604       await servers[1].config.updateCustomSubConfig({ newConfig })
 605
 606       const attributes = {
 607         name: 'low bitrate',
 608         fixture: 'low-bitrate.mp4'
 609       }
 610
 611       const { uuid } = await servers[1].videos.upload({ attributes })
 612
 613       await waitJobs(servers)
 614
 615       const resolutions = [ 240, 360, 480, 720, 1080 ]
 616       for (const r of resolutions) {
 617         const path = `videos/${uuid}-${r}.mp4`
 618         const size = await servers[1].servers.getServerFileSize(path)
 619         expect(size, `${path} not below ${60_000}`).to.be.below(60_000)
 620       }
 621     })
 622   })
 623
 624   describe('FFprobe', function () {
 625
 626     it('Should provide valid ffprobe data', async function () {
 627       this.timeout(160_000)
 628
 629       const videoUUID = (await servers[1].videos.quickUpload({ name: 'ffprobe data' })).uuid
 630       await waitJobs(servers)
 631
 632       {
 633         const path = servers[1].servers.buildDirectory(join('videos', videoUUID + '-240.mp4'))
 634         const metadata = await getMetadataFromFile(path)
 635
 636         // expected format properties
 637         for (const p of [
 638           'tags.encoder',
 639           'format_long_name',
 640           'size',
 641           'bit_rate'
 642         ]) {
 643           expect(metadata.format).to.have.nested.property(p)
 644         }
 645
 646         // expected stream properties
 647         for (const p of [
 648           'codec_long_name',
 649           'profile',
 650           'width',
 651           'height',
 652           'display_aspect_ratio',
 653           'avg_frame_rate',
 654           'pix_fmt'
 655         ]) {
 656           expect(metadata.streams[0]).to.have.nested.property(p)
 657         }
 658
 659         expect(metadata).to.not.have.nested.property('format.filename')
 660       }
 661
 662       for (const server of servers) {
 663         const videoDetails = await server.videos.get({ id: videoUUID })
 664
 665         const videoFiles = videoDetails.files
 666                                       .concat(videoDetails.streamingPlaylists[0].files)
 667         expect(videoFiles).to.have.lengthOf(8)
 668
 669         for (const file of videoFiles) {
 670           expect(file.metadata).to.be.undefined
 671           expect(file.metadataUrl).to.exist
 672           expect(file.metadataUrl).to.contain(servers[1].url)
 673           expect(file.metadataUrl).to.contain(videoUUID)
 674
 675           const metadata = await server.videos.getFileMetadata({ url: file.metadataUrl })
 676           expect(metadata).to.have.nested.property('format.size')
 677         }
 678       }
 679     })
 680
 681     it('Should correctly detect if quick transcode is possible', async function () {
 682       this.timeout(10_000)
 683
 684       expect(await canDoQuickTranscode(buildAbsoluteFixturePath('video_short.mp4'))).to.be.true
 685       expect(await canDoQuickTranscode(buildAbsoluteFixturePath('video_short.webm'))).to.be.false
 686     })
 687   })
 688
 689   describe('Transcoding job queue', function () {
 690
 691     it('Should have the appropriate priorities for transcoding jobs', async function () {
 692       const body = await servers[1].jobs.getJobsList({
 693         start: 0,
 694         count: 100,
 695         sort: '-createdAt',
 696         jobType: 'video-transcoding'
 697       })
 698
 699       const jobs = body.data
 700       const transcodingJobs = jobs.filter(j => j.data.videoUUID === video4k)
 701
 702       expect(transcodingJobs).to.have.lengthOf(14)
 703
 704       const hlsJobs = transcodingJobs.filter(j => j.data.type === 'new-resolution-to-hls')
 705       const webtorrentJobs = transcodingJobs.filter(j => j.data.type === 'new-resolution-to-webtorrent')
 706       const optimizeJobs = transcodingJobs.filter(j => j.data.type === 'optimize-to-webtorrent')
 707
 708       expect(hlsJobs).to.have.lengthOf(7)
 709       expect(webtorrentJobs).to.have.lengthOf(6)
 710       expect(optimizeJobs).to.have.lengthOf(1)
 711
 712       for (const j of optimizeJobs.concat(hlsJobs.concat(webtorrentJobs))) {
 713         expect(j.priority).to.be.greaterThan(100)
 714         expect(j.priority).to.be.lessThan(150)
 715       }
 716     })
 717   })
 718
 719   after(async function () {
 720     await cleanupTests(servers)
 721   })
 722 })