server/tests/api/live/live.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 { FfmpegCommand } from 'fluent-ffmpeg'
   6 import { join } from 'path'
   7 import { ffprobePromise, getVideoStreamFromFile } from '@server/helpers/ffprobe-utils'
   8 import { getLiveNotificationSocket } from '@shared/extra-utils/socket/socket-io'
   9 import { LiveVideo, LiveVideoCreate, Video, VideoDetails, VideoPrivacy, VideoState, VideoStreamingPlaylistType } from '@shared/models'
  10 import { HttpStatusCode } from '../../../../shared/core-utils/miscs/http-error-codes'
  11 import {
  12   addVideoToBlacklist,
  13   buildServerDirectory,
  14   checkLiveCleanup,
  15   checkLiveSegmentHash,
  16   checkResolutionsInMasterPlaylist,
  17   cleanupTests,
  18   createLive,
  19   doubleFollow,
  20   flushAndRunMultipleServers,
  21   getLive,
  22   getPlaylist,
  23   getVideo,
  24   getVideoIdFromUUID,
  25   getVideosList,
  26   killallServers,
  27   makeRawRequest,
  28   removeVideo,
  29   reRunServer,
  30   sendRTMPStream,
  31   sendRTMPStreamInVideo,
  32   ServerInfo,
  33   setAccessTokensToServers,
  34   setDefaultVideoChannel,
  35   stopFfmpeg,
  36   testFfmpegStreamError,
  37   testImage,
  38   updateCustomSubConfig,
  39   updateLive,
  40   viewVideo,
  41   wait,
  42   waitJobs,
  43   waitUntilLiveEnded,
  44   waitUntilLivePublished,
  45   waitUntilLiveSegmentGeneration
  46 } from '../../../../shared/extra-utils'
  47
  48 const expect = chai.expect
  49
  50 describe('Test live', function () {
  51   let servers: ServerInfo[] = []
  52
  53   before(async function () {
  54     this.timeout(120000)
  55
  56     servers = await flushAndRunMultipleServers(2)
  57
  58     // Get the access tokens
  59     await setAccessTokensToServers(servers)
  60     await setDefaultVideoChannel(servers)
  61
  62     await updateCustomSubConfig(servers[0].url, servers[0].accessToken, {
  63       live: {
  64         enabled: true,
  65         allowReplay: true,
  66         transcoding: {
  67           enabled: false
  68         }
  69       }
  70     })
  71
  72     // Server 1 and server 2 follow each other
  73     await doubleFollow(servers[0], servers[1])
  74   })
  75
  76   describe('Live creation, update and delete', function () {
  77     let liveVideoUUID: string
  78
  79     it('Should create a live with the appropriate parameters', async function () {
  80       this.timeout(20000)
  81
  82       const attributes: LiveVideoCreate = {
  83         category: 1,
  84         licence: 2,
  85         language: 'fr',
  86         description: 'super live description',
  87         support: 'support field',
  88         channelId: servers[0].videoChannel.id,
  89         nsfw: false,
  90         waitTranscoding: false,
  91         name: 'my super live',
  92         tags: [ 'tag1', 'tag2' ],
  93         commentsEnabled: false,
  94         downloadEnabled: false,
  95         saveReplay: true,
  96         privacy: VideoPrivacy.PUBLIC,
  97         previewfile: 'video_short1-preview.webm.jpg',
  98         thumbnailfile: 'video_short1.webm.jpg'
  99       }
 100
 101       const res = await createLive(servers[0].url, servers[0].accessToken, attributes)
 102       liveVideoUUID = res.body.video.uuid
 103
 104       await waitJobs(servers)
 105
 106       for (const server of servers) {
 107         const resVideo = await getVideo(server.url, liveVideoUUID)
 108         const video: VideoDetails = resVideo.body
 109
 110         expect(video.category.id).to.equal(1)
 111         expect(video.licence.id).to.equal(2)
 112         expect(video.language.id).to.equal('fr')
 113         expect(video.description).to.equal('super live description')
 114         expect(video.support).to.equal('support field')
 115
 116         expect(video.channel.name).to.equal(servers[0].videoChannel.name)
 117         expect(video.channel.host).to.equal(servers[0].videoChannel.host)
 118
 119         expect(video.nsfw).to.be.false
 120         expect(video.waitTranscoding).to.be.false
 121         expect(video.name).to.equal('my super live')
 122         expect(video.tags).to.deep.equal([ 'tag1', 'tag2' ])
 123         expect(video.commentsEnabled).to.be.false
 124         expect(video.downloadEnabled).to.be.false
 125         expect(video.privacy.id).to.equal(VideoPrivacy.PUBLIC)
 126
 127         await testImage(server.url, 'video_short1-preview.webm', video.previewPath)
 128         await testImage(server.url, 'video_short1.webm', video.thumbnailPath)
 129
 130         const resLive = await getLive(server.url, server.accessToken, liveVideoUUID)
 131         const live: LiveVideo = resLive.body
 132
 133         if (server.url === servers[0].url) {
 134           expect(live.rtmpUrl).to.equal('rtmp://' + server.hostname + ':' + servers[0].rtmpPort + '/live')
 135           expect(live.streamKey).to.not.be.empty
 136         } else {
 137           expect(live.rtmpUrl).to.be.null
 138           expect(live.streamKey).to.be.null
 139         }
 140
 141         expect(live.saveReplay).to.be.true
 142       }
 143     })
 144
 145     it('Should have a default preview and thumbnail', async function () {
 146       this.timeout(20000)
 147
 148       const attributes: LiveVideoCreate = {
 149         name: 'default live thumbnail',
 150         channelId: servers[0].videoChannel.id,
 151         privacy: VideoPrivacy.UNLISTED,
 152         nsfw: true
 153       }
 154
 155       const res = await createLive(servers[0].url, servers[0].accessToken, attributes)
 156       const videoId = res.body.video.uuid
 157
 158       await waitJobs(servers)
 159
 160       for (const server of servers) {
 161         const resVideo = await getVideo(server.url, videoId)
 162         const video: VideoDetails = resVideo.body
 163
 164         expect(video.privacy.id).to.equal(VideoPrivacy.UNLISTED)
 165         expect(video.nsfw).to.be.true
 166
 167         await makeRawRequest(server.url + video.thumbnailPath, HttpStatusCode.OK_200)
 168         await makeRawRequest(server.url + video.previewPath, HttpStatusCode.OK_200)
 169       }
 170     })
 171
 172     it('Should not have the live listed since nobody streams into', async function () {
 173       for (const server of servers) {
 174         const res = await getVideosList(server.url)
 175
 176         expect(res.body.total).to.equal(0)
 177         expect(res.body.data).to.have.lengthOf(0)
 178       }
 179     })
 180
 181     it('Should not be able to update a live of another server', async function () {
 182       await updateLive(servers[1].url, servers[1].accessToken, liveVideoUUID, { saveReplay: false }, HttpStatusCode.FORBIDDEN_403)
 183     })
 184
 185     it('Should update the live', async function () {
 186       this.timeout(10000)
 187
 188       await updateLive(servers[0].url, servers[0].accessToken, liveVideoUUID, { saveReplay: false })
 189       await waitJobs(servers)
 190     })
 191
 192     it('Have the live updated', async function () {
 193       for (const server of servers) {
 194         const res = await getLive(server.url, server.accessToken, liveVideoUUID)
 195         const live: LiveVideo = res.body
 196
 197         if (server.url === servers[0].url) {
 198           expect(live.rtmpUrl).to.equal('rtmp://' + server.hostname + ':' + servers[0].rtmpPort + '/live')
 199           expect(live.streamKey).to.not.be.empty
 200         } else {
 201           expect(live.rtmpUrl).to.be.null
 202           expect(live.streamKey).to.be.null
 203         }
 204
 205         expect(live.saveReplay).to.be.false
 206       }
 207     })
 208
 209     it('Delete the live', async function () {
 210       this.timeout(10000)
 211
 212       await removeVideo(servers[0].url, servers[0].accessToken, liveVideoUUID)
 213       await waitJobs(servers)
 214     })
 215
 216     it('Should have the live deleted', async function () {
 217       for (const server of servers) {
 218         await getVideo(server.url, liveVideoUUID, HttpStatusCode.NOT_FOUND_404)
 219         await getLive(server.url, server.accessToken, liveVideoUUID, HttpStatusCode.NOT_FOUND_404)
 220       }
 221     })
 222   })
 223
 224   describe('Stream checks', function () {
 225     let liveVideo: LiveVideo & VideoDetails
 226     let rtmpUrl: string
 227
 228     before(function () {
 229       rtmpUrl = 'rtmp://' + servers[0].hostname + ':' + servers[0].rtmpPort + ''
 230     })
 231
 232     async function createLiveWrapper () {
 233       const liveAttributes = {
 234         name: 'user live',
 235         channelId: servers[0].videoChannel.id,
 236         privacy: VideoPrivacy.PUBLIC,
 237         saveReplay: false
 238       }
 239
 240       const res = await createLive(servers[0].url, servers[0].accessToken, liveAttributes)
 241       const uuid = res.body.video.uuid
 242
 243       const resLive = await getLive(servers[0].url, servers[0].accessToken, uuid)
 244       const resVideo = await getVideo(servers[0].url, uuid)
 245
 246       return Object.assign(resVideo.body, resLive.body) as LiveVideo & VideoDetails
 247     }
 248
 249     it('Should not allow a stream without the appropriate path', async function () {
 250       this.timeout(30000)
 251
 252       liveVideo = await createLiveWrapper()
 253
 254       const command = sendRTMPStream(rtmpUrl + '/bad-live', liveVideo.streamKey)
 255       await testFfmpegStreamError(command, true)
 256     })
 257
 258     it('Should not allow a stream without the appropriate stream key', async function () {
 259       this.timeout(30000)
 260
 261       const command = sendRTMPStream(rtmpUrl + '/live', 'bad-stream-key')
 262       await testFfmpegStreamError(command, true)
 263     })
 264
 265     it('Should succeed with the correct params', async function () {
 266       this.timeout(30000)
 267
 268       const command = sendRTMPStream(rtmpUrl + '/live', liveVideo.streamKey)
 269       await testFfmpegStreamError(command, false)
 270     })
 271
 272     it('Should not allow a stream on a live that was blacklisted', async function () {
 273       this.timeout(30000)
 274
 275       liveVideo = await createLiveWrapper()
 276
 277       await addVideoToBlacklist(servers[0].url, servers[0].accessToken, liveVideo.uuid)
 278
 279       const command = sendRTMPStream(rtmpUrl + '/live', liveVideo.streamKey)
 280       await testFfmpegStreamError(command, true)
 281     })
 282
 283     it('Should not allow a stream on a live that was deleted', async function () {
 284       this.timeout(30000)
 285
 286       liveVideo = await createLiveWrapper()
 287
 288       await removeVideo(servers[0].url, servers[0].accessToken, liveVideo.uuid)
 289
 290       const command = sendRTMPStream(rtmpUrl + '/live', liveVideo.streamKey)
 291       await testFfmpegStreamError(command, true)
 292     })
 293   })
 294
 295   describe('Live transcoding', function () {
 296     let liveVideoId: string
 297
 298     async function createLiveWrapper (saveReplay: boolean) {
 299       const liveAttributes = {
 300         name: 'live video',
 301         channelId: servers[0].videoChannel.id,
 302         privacy: VideoPrivacy.PUBLIC,
 303         saveReplay
 304       }
 305
 306       const res = await createLive(servers[0].url, servers[0].accessToken, liveAttributes)
 307       return res.body.video.uuid
 308     }
 309
 310     async function testVideoResolutions (liveVideoId: string, resolutions: number[]) {
 311       for (const server of servers) {
 312         const resList = await getVideosList(server.url)
 313         const videos: Video[] = resList.body.data
 314
 315         expect(videos.find(v => v.uuid === liveVideoId)).to.exist
 316
 317         const resVideo = await getVideo(server.url, liveVideoId)
 318         const video: VideoDetails = resVideo.body
 319
 320         expect(video.streamingPlaylists).to.have.lengthOf(1)
 321
 322         const hlsPlaylist = video.streamingPlaylists.find(s => s.type === VideoStreamingPlaylistType.HLS)
 323         expect(hlsPlaylist).to.exist
 324
 325         // Only finite files are displayed
 326         expect(hlsPlaylist.files).to.have.lengthOf(0)
 327
 328         await checkResolutionsInMasterPlaylist(hlsPlaylist.playlistUrl, resolutions)
 329
 330         for (let i = 0; i < resolutions.length; i++) {
 331           const segmentNum = 3
 332           const segmentName = `${i}-00000${segmentNum}.ts`
 333           await waitUntilLiveSegmentGeneration(servers[0], video.uuid, i, segmentNum)
 334
 335           const res = await getPlaylist(`${servers[0].url}/static/streaming-playlists/hls/${video.uuid}/${i}.m3u8`)
 336           const subPlaylist = res.text
 337
 338           expect(subPlaylist).to.contain(segmentName)
 339
 340           const baseUrlAndPath = servers[0].url + '/static/streaming-playlists/hls'
 341           await checkLiveSegmentHash(baseUrlAndPath, video.uuid, segmentName, hlsPlaylist)
 342         }
 343       }
 344     }
 345
 346     function updateConf (resolutions: number[]) {
 347       return updateCustomSubConfig(servers[0].url, servers[0].accessToken, {
 348         live: {
 349           enabled: true,
 350           allowReplay: true,
 351           maxDuration: null,
 352           transcoding: {
 353             enabled: true,
 354             resolutions: {
 355               '240p': resolutions.includes(240),
 356               '360p': resolutions.includes(360),
 357               '480p': resolutions.includes(480),
 358               '720p': resolutions.includes(720),
 359               '1080p': resolutions.includes(1080),
 360               '2160p': resolutions.includes(2160)
 361             }
 362           }
 363         }
 364       })
 365     }
 366
 367     before(async function () {
 368       await updateConf([])
 369     })
 370
 371     it('Should enable transcoding without additional resolutions', async function () {
 372       this.timeout(30000)
 373
 374       liveVideoId = await createLiveWrapper(false)
 375
 376       const command = await sendRTMPStreamInVideo(servers[0].url, servers[0].accessToken, liveVideoId)
 377       await waitUntilLivePublished(servers[0].url, servers[0].accessToken, liveVideoId)
 378       await waitJobs(servers)
 379
 380       await testVideoResolutions(liveVideoId, [ 720 ])
 381
 382       await stopFfmpeg(command)
 383     })
 384
 385     it('Should enable transcoding with some resolutions', async function () {
 386       this.timeout(30000)
 387
 388       const resolutions = [ 240, 480 ]
 389       await updateConf(resolutions)
 390       liveVideoId = await createLiveWrapper(false)
 391
 392       const command = await sendRTMPStreamInVideo(servers[0].url, servers[0].accessToken, liveVideoId)
 393       await waitUntilLivePublished(servers[0].url, servers[0].accessToken, liveVideoId)
 394       await waitJobs(servers)
 395
 396       await testVideoResolutions(liveVideoId, resolutions)
 397
 398       await stopFfmpeg(command)
 399     })
 400
 401     it('Should enable transcoding with some resolutions and correctly save them', async function () {
 402       this.timeout(120000)
 403
 404       const resolutions = [ 240, 360, 720 ]
 405
 406       await updateConf(resolutions)
 407       liveVideoId = await createLiveWrapper(true)
 408
 409       const command = await sendRTMPStreamInVideo(servers[0].url, servers[0].accessToken, liveVideoId, 'video_short2.webm')
 410       await waitUntilLivePublished(servers[0].url, servers[0].accessToken, liveVideoId)
 411       await waitJobs(servers)
 412
 413       await testVideoResolutions(liveVideoId, resolutions)
 414
 415       await stopFfmpeg(command)
 416       await waitJobs(servers)
 417
 418       await waitUntilLivePublished(servers[0].url, servers[0].accessToken, liveVideoId)
 419
 420       const bitrateLimits = {
 421         720: 5000 * 1000, // 60FPS
 422         360: 1100 * 1000,
 423         240: 600 * 1000
 424       }
 425
 426       for (const server of servers) {
 427         const resVideo = await getVideo(server.url, liveVideoId)
 428         const video: VideoDetails = resVideo.body
 429
 430         expect(video.state.id).to.equal(VideoState.PUBLISHED)
 431         expect(video.duration).to.be.greaterThan(1)
 432         expect(video.files).to.have.lengthOf(0)
 433
 434         const hlsPlaylist = video.streamingPlaylists.find(s => s.type === VideoStreamingPlaylistType.HLS)
 435         await makeRawRequest(hlsPlaylist.playlistUrl, HttpStatusCode.OK_200)
 436         await makeRawRequest(hlsPlaylist.segmentsSha256Url, HttpStatusCode.OK_200)
 437
 438         expect(hlsPlaylist.files).to.have.lengthOf(resolutions.length)
 439
 440         for (const resolution of resolutions) {
 441           const file = hlsPlaylist.files.find(f => f.resolution.id === resolution)
 442
 443           expect(file).to.exist
 444           expect(file.size).to.be.greaterThan(1)
 445
 446           if (resolution >= 720) {
 447             expect(file.fps).to.be.approximately(60, 2)
 448           } else {
 449             expect(file.fps).to.be.approximately(30, 2)
 450           }
 451
 452           const filename = `${video.uuid}-${resolution}-fragmented.mp4`
 453           const segmentPath = buildServerDirectory(servers[0], join('streaming-playlists', 'hls', video.uuid, filename))
 454
 455           const probe = await ffprobePromise(segmentPath)
 456           const videoStream = await getVideoStreamFromFile(segmentPath, probe)
 457
 458           expect(probe.format.bit_rate).to.be.below(bitrateLimits[videoStream.height])
 459
 460           await makeRawRequest(file.torrentUrl, HttpStatusCode.OK_200)
 461           await makeRawRequest(file.fileUrl, HttpStatusCode.OK_200)
 462         }
 463       }
 464     })
 465
 466     it('Should correctly have cleaned up the live files', async function () {
 467       this.timeout(30000)
 468
 469       await checkLiveCleanup(servers[0], liveVideoId, [ 240, 360, 720 ])
 470     })
 471   })
 472
 473   describe('Live views', function () {
 474     let liveVideoId: string
 475     let command: FfmpegCommand
 476
 477     async function countViews (expected: number) {
 478       for (const server of servers) {
 479         const res = await getVideo(server.url, liveVideoId)
 480         const video: VideoDetails = res.body
 481
 482         expect(video.views).to.equal(expected)
 483       }
 484     }
 485
 486     before(async function () {
 487       this.timeout(30000)
 488
 489       const liveAttributes = {
 490         name: 'live video',
 491         channelId: servers[0].videoChannel.id,
 492         privacy: VideoPrivacy.PUBLIC
 493       }
 494
 495       const res = await createLive(servers[0].url, servers[0].accessToken, liveAttributes)
 496       liveVideoId = res.body.video.uuid
 497
 498       command = await sendRTMPStreamInVideo(servers[0].url, servers[0].accessToken, liveVideoId)
 499       await waitUntilLivePublished(servers[0].url, servers[0].accessToken, liveVideoId)
 500       await waitJobs(servers)
 501     })
 502
 503     it('Should display no views for a live', async function () {
 504       await countViews(0)
 505     })
 506
 507     it('Should view a live twice and display 1 view', async function () {
 508       this.timeout(30000)
 509
 510       await viewVideo(servers[0].url, liveVideoId)
 511       await viewVideo(servers[0].url, liveVideoId)
 512
 513       await wait(7000)
 514
 515       await waitJobs(servers)
 516
 517       await countViews(1)
 518     })
 519
 520     it('Should wait and display 0 views', async function () {
 521       this.timeout(30000)
 522
 523       await wait(7000)
 524       await waitJobs(servers)
 525
 526       await countViews(0)
 527     })
 528
 529     it('Should view a live on a remote and on local and display 2 views', async function () {
 530       this.timeout(30000)
 531
 532       await viewVideo(servers[0].url, liveVideoId)
 533       await viewVideo(servers[1].url, liveVideoId)
 534       await viewVideo(servers[1].url, liveVideoId)
 535
 536       await wait(7000)
 537       await waitJobs(servers)
 538
 539       await countViews(2)
 540     })
 541
 542     after(async function () {
 543       await stopFfmpeg(command)
 544     })
 545   })
 546
 547   describe('Live socket messages', function () {
 548
 549     async function createLiveWrapper () {
 550       const liveAttributes = {
 551         name: 'live video',
 552         channelId: servers[0].videoChannel.id,
 553         privacy: VideoPrivacy.PUBLIC
 554       }
 555
 556       const res = await createLive(servers[0].url, servers[0].accessToken, liveAttributes)
 557       return res.body.video.uuid
 558     }
 559
 560     it('Should correctly send a message when the live starts and ends', async function () {
 561       this.timeout(60000)
 562
 563       const localStateChanges: VideoState[] = []
 564       const remoteStateChanges: VideoState[] = []
 565
 566       const liveVideoUUID = await createLiveWrapper()
 567       await waitJobs(servers)
 568
 569       {
 570         const videoId = await getVideoIdFromUUID(servers[0].url, liveVideoUUID)
 571
 572         const localSocket = getLiveNotificationSocket(servers[0].url)
 573         localSocket.on('state-change', data => localStateChanges.push(data.state))
 574         localSocket.emit('subscribe', { videoId })
 575       }
 576
 577       {
 578         const videoId = await getVideoIdFromUUID(servers[1].url, liveVideoUUID)
 579
 580         const remoteSocket = getLiveNotificationSocket(servers[1].url)
 581         remoteSocket.on('state-change', data => remoteStateChanges.push(data.state))
 582         remoteSocket.emit('subscribe', { videoId })
 583       }
 584
 585       const command = await sendRTMPStreamInVideo(servers[0].url, servers[0].accessToken, liveVideoUUID)
 586
 587       for (const server of servers) {
 588         await waitUntilLivePublished(server.url, server.accessToken, liveVideoUUID)
 589       }
 590
 591       await waitJobs(servers)
 592
 593       for (const stateChanges of [ localStateChanges, remoteStateChanges ]) {
 594         expect(stateChanges).to.have.length.at.least(1)
 595         expect(stateChanges[stateChanges.length - 1]).to.equal(VideoState.PUBLISHED)
 596       }
 597
 598       await stopFfmpeg(command)
 599
 600       for (const server of servers) {
 601         await waitUntilLiveEnded(server.url, server.accessToken, liveVideoUUID)
 602       }
 603
 604       await waitJobs(servers)
 605
 606       for (const stateChanges of [ localStateChanges, remoteStateChanges ]) {
 607         expect(stateChanges).to.have.length.at.least(2)
 608         expect(stateChanges[stateChanges.length - 1]).to.equal(VideoState.LIVE_ENDED)
 609       }
 610     })
 611
 612     it('Should correctly send views change notification', async function () {
 613       this.timeout(60000)
 614
 615       let localLastVideoViews = 0
 616       let remoteLastVideoViews = 0
 617
 618       const liveVideoUUID = await createLiveWrapper()
 619       await waitJobs(servers)
 620
 621       {
 622         const videoId = await getVideoIdFromUUID(servers[0].url, liveVideoUUID)
 623
 624         const localSocket = getLiveNotificationSocket(servers[0].url)
 625         localSocket.on('views-change', data => { localLastVideoViews = data.views })
 626         localSocket.emit('subscribe', { videoId })
 627       }
 628
 629       {
 630         const videoId = await getVideoIdFromUUID(servers[1].url, liveVideoUUID)
 631
 632         const remoteSocket = getLiveNotificationSocket(servers[1].url)
 633         remoteSocket.on('views-change', data => { remoteLastVideoViews = data.views })
 634         remoteSocket.emit('subscribe', { videoId })
 635       }
 636
 637       const command = await sendRTMPStreamInVideo(servers[0].url, servers[0].accessToken, liveVideoUUID)
 638
 639       for (const server of servers) {
 640         await waitUntilLivePublished(server.url, server.accessToken, liveVideoUUID)
 641       }
 642
 643       await waitJobs(servers)
 644
 645       expect(localLastVideoViews).to.equal(0)
 646       expect(remoteLastVideoViews).to.equal(0)
 647
 648       await viewVideo(servers[0].url, liveVideoUUID)
 649       await viewVideo(servers[1].url, liveVideoUUID)
 650
 651       await waitJobs(servers)
 652       await wait(5000)
 653       await waitJobs(servers)
 654
 655       expect(localLastVideoViews).to.equal(2)
 656       expect(remoteLastVideoViews).to.equal(2)
 657
 658       await stopFfmpeg(command)
 659     })
 660
 661     it('Should not receive a notification after unsubscribe', async function () {
 662       this.timeout(60000)
 663
 664       const stateChanges: VideoState[] = []
 665
 666       const liveVideoUUID = await createLiveWrapper()
 667       await waitJobs(servers)
 668
 669       const videoId = await getVideoIdFromUUID(servers[0].url, liveVideoUUID)
 670
 671       const socket = getLiveNotificationSocket(servers[0].url)
 672       socket.on('state-change', data => stateChanges.push(data.state))
 673       socket.emit('subscribe', { videoId })
 674
 675       const command = await sendRTMPStreamInVideo(servers[0].url, servers[0].accessToken, liveVideoUUID)
 676       await waitUntilLivePublished(servers[0].url, servers[0].accessToken, liveVideoUUID)
 677       await waitJobs(servers)
 678
 679       expect(stateChanges).to.have.lengthOf(1)
 680       socket.emit('unsubscribe', { videoId })
 681
 682       await stopFfmpeg(command)
 683       await waitJobs(servers)
 684
 685       expect(stateChanges).to.have.lengthOf(1)
 686     })
 687   })
 688
 689   describe('After a server restart', function () {
 690     let liveVideoId: string
 691     let liveVideoReplayId: string
 692
 693     async function createLiveWrapper (saveReplay: boolean) {
 694       const liveAttributes = {
 695         name: 'live video',
 696         channelId: servers[0].videoChannel.id,
 697         privacy: VideoPrivacy.PUBLIC,
 698         saveReplay
 699       }
 700
 701       const res = await createLive(servers[0].url, servers[0].accessToken, liveAttributes)
 702       return res.body.video.uuid
 703     }
 704
 705     before(async function () {
 706       this.timeout(120000)
 707
 708       liveVideoId = await createLiveWrapper(false)
 709       liveVideoReplayId = await createLiveWrapper(true)
 710
 711       await Promise.all([
 712         sendRTMPStreamInVideo(servers[0].url, servers[0].accessToken, liveVideoId),
 713         sendRTMPStreamInVideo(servers[0].url, servers[0].accessToken, liveVideoReplayId)
 714       ])
 715
 716       await Promise.all([
 717         waitUntilLivePublished(servers[0].url, servers[0].accessToken, liveVideoId),
 718         waitUntilLivePublished(servers[0].url, servers[0].accessToken, liveVideoReplayId)
 719       ])
 720
 721       await waitUntilLiveSegmentGeneration(servers[0], liveVideoId, 0, 2)
 722       await waitUntilLiveSegmentGeneration(servers[0], liveVideoReplayId, 0, 2)
 723
 724       await killallServers([ servers[0] ])
 725       await reRunServer(servers[0])
 726
 727       await wait(5000)
 728     })
 729
 730     it('Should cleanup lives', async function () {
 731       this.timeout(60000)
 732
 733       await waitUntilLiveEnded(servers[0].url, servers[0].accessToken, liveVideoId)
 734     })
 735
 736     it('Should save a live replay', async function () {
 737       this.timeout(120000)
 738
 739       await waitUntilLivePublished(servers[0].url, servers[0].accessToken, liveVideoReplayId)
 740     })
 741   })
 742
 743   after(async function () {
 744     await cleanupTests(servers)
 745   })
 746 })