server/tests/api/live/live-fast-restream.ts

   1 /* eslint-disable @typescript-eslint/no-unused-expressions,@typescript-eslint/require-await */
   2
   3 import { expect } from 'chai'
   4 import { wait } from '@shared/core-utils'
   5 import { LiveVideoCreate, VideoPrivacy } from '@shared/models'
   6 import {
   7   cleanupTests,
   8   createSingleServer,
   9   PeerTubeServer,
  10   setAccessTokensToServers,
  11   setDefaultVideoChannel,
  12   stopFfmpeg,
  13   waitJobs
  14 } from '@shared/server-commands'
  15
  16 describe('Fast restream in live', function () {
  17   let server: PeerTubeServer
  18
  19   async function createLiveWrapper (options: { permanent: boolean, replay: boolean }) {
  20     const attributes: LiveVideoCreate = {
  21       channelId: server.store.channel.id,
  22       privacy: VideoPrivacy.PUBLIC,
  23       name: 'my super live',
  24       saveReplay: options.replay,
  25       replaySettings: options.replay ? { privacy: VideoPrivacy.PUBLIC } : undefined,
  26       permanentLive: options.permanent
  27     }
  28
  29     const { uuid } = await server.live.create({ fields: attributes })
  30     return uuid
  31   }
  32
  33   async function fastRestreamWrapper ({ replay }: { replay: boolean }) {
  34     const liveVideoUUID = await createLiveWrapper({ permanent: true, replay })
  35     await waitJobs([ server ])
  36
  37     const rtmpOptions = {
  38       videoId: liveVideoUUID,
  39       copyCodecs: true,
  40       fixtureName: 'video_short.mp4'
  41     }
  42
  43     // Streaming session #1
  44     let ffmpegCommand = await server.live.sendRTMPStreamInVideo(rtmpOptions)
  45     await server.live.waitUntilPublished({ videoId: liveVideoUUID })
  46
  47     const video = await server.videos.get({ id: liveVideoUUID })
  48     const session1PlaylistId = video.streamingPlaylists[0].id
  49
  50     await stopFfmpeg(ffmpegCommand)
  51     await server.live.waitUntilWaiting({ videoId: liveVideoUUID })
  52
  53     // Streaming session #2
  54     ffmpegCommand = await server.live.sendRTMPStreamInVideo(rtmpOptions)
  55
  56     let hasNewPlaylist = false
  57     do {
  58       const video = await server.videos.get({ id: liveVideoUUID })
  59       hasNewPlaylist = video.streamingPlaylists.length === 1 && video.streamingPlaylists[0].id !== session1PlaylistId
  60
  61       await wait(100)
  62     } while (!hasNewPlaylist)
  63
  64     await server.live.waitUntilSegmentGeneration({
  65       server,
  66       videoUUID: liveVideoUUID,
  67       segment: 1,
  68       playlistNumber: 0
  69     })
  70
  71     return { ffmpegCommand, liveVideoUUID }
  72   }
  73
  74   async function ensureLastLiveWorks (liveId: string) {
  75     // Equivalent to PEERTUBE_TEST_CONSTANTS_VIDEO_LIVE_CLEANUP_DELAY
  76     for (let i = 0; i < 100; i++) {
  77       const video = await server.videos.get({ id: liveId })
  78       expect(video.streamingPlaylists).to.have.lengthOf(1)
  79
  80       try {
  81         await server.live.getSegmentFile({ videoUUID: liveId, segment: 0, playlistNumber: 0 })
  82         await server.streamingPlaylists.get({ url: video.streamingPlaylists[0].playlistUrl })
  83         await server.streamingPlaylists.getSegmentSha256({ url: video.streamingPlaylists[0].segmentsSha256Url })
  84       } catch (err) {
  85         // FIXME: try to debug error in CI "Unexpected end of JSON input"
  86         console.error(err)
  87         throw err
  88       }
  89
  90       await wait(100)
  91     }
  92   }
  93
  94   async function runTest (replay: boolean) {
  95     const { ffmpegCommand, liveVideoUUID } = await fastRestreamWrapper({ replay })
  96
  97     // TODO: remove, we try to debug a test timeout failure here
  98     console.log('Ensuring last live works')
  99
 100     await ensureLastLiveWorks(liveVideoUUID)
 101
 102     await stopFfmpeg(ffmpegCommand)
 103     await server.live.waitUntilWaiting({ videoId: liveVideoUUID })
 104
 105     // Wait for replays
 106     await waitJobs([ server ])
 107
 108     const { total, data: sessions } = await server.live.listSessions({ videoId: liveVideoUUID })
 109
 110     expect(total).to.equal(2)
 111     expect(sessions).to.have.lengthOf(2)
 112
 113     for (const session of sessions) {
 114       expect(session.error).to.be.null
 115
 116       if (replay) {
 117         expect(session.replayVideo).to.exist
 118
 119         await server.videos.get({ id: session.replayVideo.uuid })
 120       } else {
 121         expect(session.replayVideo).to.not.exist
 122       }
 123     }
 124   }
 125
 126   before(async function () {
 127     this.timeout(120000)
 128
 129     const env = { PEERTUBE_TEST_CONSTANTS_VIDEO_LIVE_CLEANUP_DELAY: '10000' }
 130     server = await createSingleServer(1, {}, { env })
 131
 132     // Get the access tokens
 133     await setAccessTokensToServers([ server ])
 134     await setDefaultVideoChannel([ server ])
 135
 136     await server.config.enableMinimumTranscoding(false, true)
 137     await server.config.enableLive({ allowReplay: true, transcoding: true, resolutions: 'min' })
 138   })
 139
 140   it('Should correctly fast restream in a permanent live with and without save replay', async function () {
 141     this.timeout(480000)
 142
 143     // A test can take a long time, so prefer to run them in parallel
 144     await Promise.all([
 145       runTest(true),
 146       runTest(false)
 147     ])
 148   })
 149
 150   after(async function () {
 151     await cleanupTests([ server ])
 152   })
 153 })