From 53023be33af420675d0060eb95c99a8038457564 Mon Sep 17 00:00:00 2001
From: Chocobozzz <me@florianbigard.com>
Date: Thu, 23 Jun 2022 10:29:43 +0200
Subject: Fix fast restream in saved permanent live

---
 server/tests/api/live/live-fast-restream.ts | 128 ++++++++++++++++++++++++++++
 1 file changed, 128 insertions(+)
 create mode 100644 server/tests/api/live/live-fast-restream.ts

(limited to 'server/tests/api/live/live-fast-restream.ts')

diff --git a/server/tests/api/live/live-fast-restream.ts b/server/tests/api/live/live-fast-restream.ts
new file mode 100644
index 000000000..4b5d041ec
--- /dev/null
+++ b/server/tests/api/live/live-fast-restream.ts
@@ -0,0 +1,128 @@
+/* eslint-disable @typescript-eslint/no-unused-expressions,@typescript-eslint/require-await */
+
+import 'mocha'
+import * as chai from 'chai'
+import { wait } from '@shared/core-utils'
+import { HttpStatusCode, LiveVideoCreate, VideoPrivacy } from '@shared/models'
+import {
+  cleanupTests,
+  createSingleServer,
+  makeRawRequest,
+  PeerTubeServer,
+  setAccessTokensToServers,
+  setDefaultVideoChannel,
+  stopFfmpeg,
+  waitJobs
+} from '@shared/server-commands'
+
+const expect = chai.expect
+
+describe('Fast restream in live', function () {
+  let server: PeerTubeServer
+
+  async function createLiveWrapper (options: { permanent: boolean, replay: boolean }) {
+    const attributes: LiveVideoCreate = {
+      channelId: server.store.channel.id,
+      privacy: VideoPrivacy.PUBLIC,
+      name: 'my super live',
+      saveReplay: options.replay,
+      permanentLive: options.permanent
+    }
+
+    const { uuid } = await server.live.create({ fields: attributes })
+    return uuid
+  }
+
+  async function fastRestreamWrapper ({ replay }: { replay: boolean }) {
+    const liveVideoUUID = await createLiveWrapper({ permanent: true, replay })
+    await waitJobs([ server ])
+
+    const rtmpOptions = {
+      videoId: liveVideoUUID,
+      copyCodecs: true,
+      fixtureName: 'video_short.mp4'
+    }
+
+    // Streaming session #1
+    let ffmpegCommand = await server.live.sendRTMPStreamInVideo(rtmpOptions)
+    await server.live.waitUntilPublished({ videoId: liveVideoUUID })
+    await stopFfmpeg(ffmpegCommand)
+    await server.live.waitUntilWaiting({ videoId: liveVideoUUID })
+
+    // Streaming session #2
+    ffmpegCommand = await server.live.sendRTMPStreamInVideo(rtmpOptions)
+    await server.live.waitUntilSegmentGeneration({ videoUUID: liveVideoUUID, segment: 0, playlistNumber: 0, totalSessions: 2 })
+
+    return { ffmpegCommand, liveVideoUUID }
+  }
+
+  async function ensureLastLiveWorks (liveId: string) {
+    // Equivalent to PEERTUBE_TEST_CONSTANTS.VIDEO_LIVE.CLEANUP_DELAY
+    for (let i = 0; i < 100; i++) {
+      const video = await server.videos.get({ id: liveId })
+      expect(video.streamingPlaylists).to.have.lengthOf(1)
+
+      await server.live.getSegment({ videoUUID: liveId, segment: 0, playlistNumber: 0 })
+      await makeRawRequest(video.streamingPlaylists[0].playlistUrl, HttpStatusCode.OK_200)
+
+      await wait(100)
+    }
+  }
+
+  async function runTest (replay: boolean) {
+    const { ffmpegCommand, liveVideoUUID } = await fastRestreamWrapper({ replay })
+
+    await ensureLastLiveWorks(liveVideoUUID)
+
+    await stopFfmpeg(ffmpegCommand)
+    await server.live.waitUntilWaiting({ videoId: liveVideoUUID })
+
+    // Wait for replays
+    await waitJobs([ server ])
+
+    const { total, data: sessions } = await server.live.listSessions({ videoId: liveVideoUUID })
+
+    expect(total).to.equal(2)
+    expect(sessions).to.have.lengthOf(2)
+
+    for (const session of sessions) {
+      expect(session.error).to.be.null
+
+      if (replay) {
+        expect(session.replayVideo).to.exist
+
+        await server.videos.get({ id: session.replayVideo.uuid })
+      } else {
+        expect(session.replayVideo).to.not.exist
+      }
+    }
+  }
+
+  before(async function () {
+    this.timeout(120000)
+
+    const env = { 'PEERTUBE_TEST_CONSTANTS.VIDEO_LIVE.CLEANUP_DELAY': '10000' }
+    server = await createSingleServer(1, {}, { env })
+
+    // Get the access tokens
+    await setAccessTokensToServers([ server ])
+    await setDefaultVideoChannel([ server ])
+
+    await server.config.enableMinimumTranscoding(false, true)
+    await server.config.enableLive({ allowReplay: true, transcoding: true, resolutions: 'min' })
+  })
+
+  it('Should correctly fast reastream in a permanent live with and without save replay', async function () {
+    this.timeout(240000)
+
+    // A test can take a long time, so prefer to run them in parallel
+    await Promise.all([
+      runTest(true),
+      runTest(false)
+    ])
+  })
+
+  after(async function () {
+    await cleanupTests([ server ])
+  })
+})
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