23 files changed, 345 insertions, 323 deletions

diff --git a/shared/extra-utils/miscs/checks.ts b/shared/extra-utils/miscs/checks.ts
new file mode 100644
index 000000000..86b861cd2
--- /dev/null
+++ b/shared/extra-utils/miscs/checks.ts
@@ -0,0 +1,46 @@
+/* eslint-disable @typescript-eslint/no-unused-expressions,@typescript-eslint/no-floating-promises */
+
+import { expect } from 'chai'
+import { pathExists, readFile } from 'fs-extra'
+import { join } from 'path'
+import { root } from '@server/helpers/core-utils'
+import { HttpStatusCode } from '@shared/core-utils'
+import { makeGetRequest } from '../requests'
+import { ServerInfo } from '../server'
+
+// Default interval -> 5 minutes
+function dateIsValid (dateString: string, interval = 300000) {
+  const dateToCheck = new Date(dateString)
+  const now = new Date()
+
+  return Math.abs(now.getTime() - dateToCheck.getTime()) <= interval
+}
+
+async function testImage (url: string, imageName: string, imagePath: string, extension = '.jpg') {
+  const res = await makeGetRequest({
+    url,
+    path: imagePath,
+    statusCodeExpected: HttpStatusCode.OK_200
+  })
+
+  const body = res.body
+
+  const data = await readFile(join(root(), 'server', 'tests', 'fixtures', imageName + extension))
+  const minLength = body.length - ((30 * body.length) / 100)
+  const maxLength = body.length + ((30 * body.length) / 100)
+
+  expect(data.length).to.be.above(minLength, 'the generated image is way smaller than the recorded fixture')
+  expect(data.length).to.be.below(maxLength, 'the generated image is way larger than the recorded fixture')
+}
+
+async function testFileExistsOrNot (server: ServerInfo, directory: string, filePath: string, exist: boolean) {
+  const base = server.serversCommand.buildDirectory(directory)
+
+  expect(await pathExists(join(base, filePath))).to.equal(exist)
+}
+
+export {
+  dateIsValid,
+  testImage,
+  testFileExistsOrNot
+}
diff --git a/shared/extra-utils/miscs/generate.ts b/shared/extra-utils/miscs/generate.ts
new file mode 100644
index 000000000..4e70ab853
--- /dev/null
+++ b/shared/extra-utils/miscs/generate.ts
@@ -0,0 +1,61 @@
+import { ensureDir, pathExists } from 'fs-extra'
+import { dirname } from 'path'
+import { buildAbsoluteFixturePath } from './tests'
+import * as ffmpeg from 'fluent-ffmpeg'
+
+async function generateHighBitrateVideo () {
+  const tempFixturePath = buildAbsoluteFixturePath('video_high_bitrate_1080p.mp4', true)
+
+  await ensureDir(dirname(tempFixturePath))
+
+  const exists = await pathExists(tempFixturePath)
+  if (!exists) {
+    console.log('Generating high bitrate video.')
+
+    // Generate a random, high bitrate video on the fly, so we don't have to include
+    // a large file in the repo. The video needs to have a certain minimum length so
+    // that FFmpeg properly applies bitrate limits.
+    // https://stackoverflow.com/a/15795112
+    return new Promise<string>((res, rej) => {
+      ffmpeg()
+        .outputOptions([ '-f rawvideo', '-video_size 1920x1080', '-i /dev/urandom' ])
+        .outputOptions([ '-ac 2', '-f s16le', '-i /dev/urandom', '-t 10' ])
+        .outputOptions([ '-maxrate 10M', '-bufsize 10M' ])
+        .output(tempFixturePath)
+        .on('error', rej)
+        .on('end', () => res(tempFixturePath))
+        .run()
+    })
+  }
+
+  return tempFixturePath
+}
+
+async function generateVideoWithFramerate (fps = 60) {
+  const tempFixturePath = buildAbsoluteFixturePath(`video_${fps}fps.mp4`, true)
+
+  await ensureDir(dirname(tempFixturePath))
+
+  const exists = await pathExists(tempFixturePath)
+  if (!exists) {
+    console.log('Generating video with framerate %d.', fps)
+
+    return new Promise<string>((res, rej) => {
+      ffmpeg()
+        .outputOptions([ '-f rawvideo', '-video_size 1280x720', '-i /dev/urandom' ])
+        .outputOptions([ '-ac 2', '-f s16le', '-i /dev/urandom', '-t 10' ])
+        .outputOptions([ `-r ${fps}` ])
+        .output(tempFixturePath)
+        .on('error', rej)
+        .on('end', () => res(tempFixturePath))
+        .run()
+    })
+  }
+
+  return tempFixturePath
+}
+
+export {
+  generateHighBitrateVideo,
+  generateVideoWithFramerate
+}
diff --git a/shared/extra-utils/miscs/index.ts b/shared/extra-utils/miscs/index.ts
index 7e236c329..4474661de 100644
--- a/shared/extra-utils/miscs/index.ts
+++ b/shared/extra-utils/miscs/index.ts
@@ -1,3 +1,5 @@
-export * from './miscs'
+export * from './checks'
+export * from './generate'
 export * from './sql-command'
-export * from './stubs'
+export * from './tests'
+export * from './webtorrent'
diff --git a/shared/extra-utils/miscs/miscs.ts b/shared/extra-utils/miscs/miscs.ts
deleted file mode 100644
index 462b914d4..000000000
--- a/shared/extra-utils/miscs/miscs.ts
+++ /dev/null
@@ -1,170 +0,0 @@
-/* eslint-disable @typescript-eslint/no-unused-expressions,@typescript-eslint/require-await */
-
-import * as chai from 'chai'
-import * as ffmpeg from 'fluent-ffmpeg'
-import { ensureDir, pathExists, readFile, stat } from 'fs-extra'
-import { basename, dirname, isAbsolute, join, resolve } from 'path'
-import * as request from 'supertest'
-import * as WebTorrent from 'webtorrent'
-import { HttpStatusCode } from '../../../shared/core-utils/miscs/http-error-codes'
-
-const expect = chai.expect
-let webtorrent: WebTorrent.Instance
-
-function immutableAssign<T, U> (target: T, source: U) {
-  return Object.assign<{}, T, U>({}, target, source)
-}
-
-// Default interval -> 5 minutes
-function dateIsValid (dateString: string, interval = 300000) {
-  const dateToCheck = new Date(dateString)
-  const now = new Date()
-
-  return Math.abs(now.getTime() - dateToCheck.getTime()) <= interval
-}
-
-function wait (milliseconds: number) {
-  return new Promise(resolve => setTimeout(resolve, milliseconds))
-}
-
-function webtorrentAdd (torrent: string, refreshWebTorrent = false) {
-  const WebTorrent = require('webtorrent')
-
-  if (!webtorrent) webtorrent = new WebTorrent()
-  if (refreshWebTorrent === true) webtorrent = new WebTorrent()
-
-  return new Promise<WebTorrent.Torrent>(res => webtorrent.add(torrent, res))
-}
-
-function root () {
-  // We are in /miscs
-  let root = join(__dirname, '..', '..', '..')
-
-  if (basename(root) === 'dist') root = resolve(root, '..')
-
-  return root
-}
-
-function buildServerDirectory (server: { internalServerNumber: number }, directory: string) {
-  return join(root(), 'test' + server.internalServerNumber, directory)
-}
-
-async function testImage (url: string, imageName: string, imagePath: string, extension = '.jpg') {
-  const res = await request(url)
-    .get(imagePath)
-    .expect(HttpStatusCode.OK_200)
-
-  const body = res.body
-
-  const data = await readFile(join(root(), 'server', 'tests', 'fixtures', imageName + extension))
-  const minLength = body.length - ((30 * body.length) / 100)
-  const maxLength = body.length + ((30 * body.length) / 100)
-
-  expect(data.length).to.be.above(minLength, 'the generated image is way smaller than the recorded fixture')
-  expect(data.length).to.be.below(maxLength, 'the generated image is way larger than the recorded fixture')
-}
-
-async function testFileExistsOrNot (server: { internalServerNumber: number }, directory: string, filePath: string, exist: boolean) {
-  const base = buildServerDirectory(server, directory)
-
-  expect(await pathExists(join(base, filePath))).to.equal(exist)
-}
-
-function isGithubCI () {
-  return !!process.env.GITHUB_WORKSPACE
-}
-
-function buildAbsoluteFixturePath (path: string, customCIPath = false) {
-  if (isAbsolute(path)) return path
-
-  if (customCIPath && process.env.GITHUB_WORKSPACE) {
-    return join(process.env.GITHUB_WORKSPACE, 'fixtures', path)
-  }
-
-  return join(root(), 'server', 'tests', 'fixtures', path)
-}
-
-function areHttpImportTestsDisabled () {
-  const disabled = process.env.DISABLE_HTTP_IMPORT_TESTS === 'true'
-
-  if (disabled) console.log('Import tests are disabled')
-
-  return disabled
-}
-
-async function generateHighBitrateVideo () {
-  const tempFixturePath = buildAbsoluteFixturePath('video_high_bitrate_1080p.mp4', true)
-
-  await ensureDir(dirname(tempFixturePath))
-
-  const exists = await pathExists(tempFixturePath)
-  if (!exists) {
-    console.log('Generating high bitrate video.')
-
-    // Generate a random, high bitrate video on the fly, so we don't have to include
-    // a large file in the repo. The video needs to have a certain minimum length so
-    // that FFmpeg properly applies bitrate limits.
-    // https://stackoverflow.com/a/15795112
-    return new Promise<string>((res, rej) => {
-      ffmpeg()
-        .outputOptions([ '-f rawvideo', '-video_size 1920x1080', '-i /dev/urandom' ])
-        .outputOptions([ '-ac 2', '-f s16le', '-i /dev/urandom', '-t 10' ])
-        .outputOptions([ '-maxrate 10M', '-bufsize 10M' ])
-        .output(tempFixturePath)
-        .on('error', rej)
-        .on('end', () => res(tempFixturePath))
-        .run()
-    })
-  }
-
-  return tempFixturePath
-}
-
-async function generateVideoWithFramerate (fps = 60) {
-  const tempFixturePath = buildAbsoluteFixturePath(`video_${fps}fps.mp4`, true)
-
-  await ensureDir(dirname(tempFixturePath))
-
-  const exists = await pathExists(tempFixturePath)
-  if (!exists) {
-    console.log('Generating video with framerate %d.', fps)
-
-    return new Promise<string>((res, rej) => {
-      ffmpeg()
-        .outputOptions([ '-f rawvideo', '-video_size 1280x720', '-i /dev/urandom' ])
-        .outputOptions([ '-ac 2', '-f s16le', '-i /dev/urandom', '-t 10' ])
-        .outputOptions([ `-r ${fps}` ])
-        .output(tempFixturePath)
-        .on('error', rej)
-        .on('end', () => res(tempFixturePath))
-        .run()
-    })
-  }
-
-  return tempFixturePath
-}
-
-async function getFileSize (path: string) {
-  const stats = await stat(path)
-
-  return stats.size
-}
-
-// ---------------------------------------------------------------------------
-
-export {
-  dateIsValid,
-  wait,
-  areHttpImportTestsDisabled,
-  buildServerDirectory,
-  webtorrentAdd,
-  getFileSize,
-  immutableAssign,
-  testImage,
-  isGithubCI,
-  buildAbsoluteFixturePath,
-  testFileExistsOrNot,
-  root,
-  generateHighBitrateVideo,
-  generateVideoWithFramerate
-}
diff --git a/shared/extra-utils/miscs/sql-command.ts b/shared/extra-utils/miscs/sql-command.ts
index 2a3e9e607..80c8cd271 100644
--- a/shared/extra-utils/miscs/sql-command.ts
+++ b/shared/extra-utils/miscs/sql-command.ts
@@ -1,5 +1,5 @@
 import { QueryTypes, Sequelize } from 'sequelize'
-import { AbstractCommand } from '../shared'
+import { AbstractCommand } from '../shared/abstract-command'
 
 export class SQLCommand extends AbstractCommand {
   private sequelize: Sequelize
diff --git a/shared/extra-utils/miscs/stubs.ts b/shared/extra-utils/miscs/stubs.ts
deleted file mode 100644
index 940e4bf29..000000000
--- a/shared/extra-utils/miscs/stubs.ts
+++ /dev/null
@@ -1,7 +0,0 @@
-function buildRequestStub (): any {
-  return { }
-}
-
-export {
-  buildRequestStub
-}
diff --git a/shared/extra-utils/miscs/tests.ts b/shared/extra-utils/miscs/tests.ts
new file mode 100644
index 000000000..8f7a2f92b
--- /dev/null
+++ b/shared/extra-utils/miscs/tests.ts
@@ -0,0 +1,62 @@
+import { stat } from 'fs-extra'
+import { basename, isAbsolute, join, resolve } from 'path'
+
+function parallelTests () {
+  return process.env.MOCHA_PARALLEL === 'true'
+}
+
+function isGithubCI () {
+  return !!process.env.GITHUB_WORKSPACE
+}
+
+function areHttpImportTestsDisabled () {
+  const disabled = process.env.DISABLE_HTTP_IMPORT_TESTS === 'true'
+
+  if (disabled) console.log('Import tests are disabled')
+
+  return disabled
+}
+
+function buildAbsoluteFixturePath (path: string, customCIPath = false) {
+  if (isAbsolute(path)) return path
+
+  if (customCIPath && process.env.GITHUB_WORKSPACE) {
+    return join(process.env.GITHUB_WORKSPACE, 'fixtures', path)
+  }
+
+  return join(root(), 'server', 'tests', 'fixtures', path)
+}
+
+function root () {
+  // We are in /miscs
+  let root = join(__dirname, '..', '..', '..')
+
+  if (basename(root) === 'dist') root = resolve(root, '..')
+
+  return root
+}
+
+function wait (milliseconds: number) {
+  return new Promise(resolve => setTimeout(resolve, milliseconds))
+}
+
+async function getFileSize (path: string) {
+  const stats = await stat(path)
+
+  return stats.size
+}
+
+function buildRequestStub (): any {
+  return { }
+}
+
+export {
+  parallelTests,
+  isGithubCI,
+  areHttpImportTestsDisabled,
+  buildAbsoluteFixturePath,
+  getFileSize,
+  buildRequestStub,
+  wait,
+  root
+}
diff --git a/shared/extra-utils/miscs/webtorrent.ts b/shared/extra-utils/miscs/webtorrent.ts
new file mode 100644
index 000000000..82548946d
--- /dev/null
+++ b/shared/extra-utils/miscs/webtorrent.ts
@@ -0,0 +1,16 @@
+import * as WebTorrent from 'webtorrent'
+
+let webtorrent: WebTorrent.Instance
+
+function webtorrentAdd (torrent: string, refreshWebTorrent = false) {
+  const WebTorrent = require('webtorrent')
+
+  if (!webtorrent) webtorrent = new WebTorrent()
+  if (refreshWebTorrent === true) webtorrent = new WebTorrent()
+
+  return new Promise<WebTorrent.Torrent>(res => webtorrent.add(torrent, res))
+}
+
+export {
+  webtorrentAdd
+}
diff --git a/shared/extra-utils/mock-servers/mock-email.ts b/shared/extra-utils/mock-servers/mock-email.ts
index 9fc9a5ad0..ffd62e325 100644
--- a/shared/extra-utils/mock-servers/mock-email.ts
+++ b/shared/extra-utils/mock-servers/mock-email.ts
@@ -1,6 +1,6 @@
 import { ChildProcess } from 'child_process'
-import { randomInt } from '../../core-utils/miscs/miscs'
-import { parallelTests } from '../server/servers'
+import { randomInt } from '@shared/core-utils'
+import { parallelTests } from '../miscs'
 
 const MailDev = require('maildev')
 
diff --git a/shared/extra-utils/requests/check-api-params.ts b/shared/extra-utils/requests/check-api-params.ts
index 7f5ff775c..7df63b004 100644
--- a/shared/extra-utils/requests/check-api-params.ts
+++ b/shared/extra-utils/requests/check-api-params.ts
@@ -1,13 +1,12 @@
+import { HttpStatusCode } from '@shared/core-utils'
 import { makeGetRequest } from './requests'
-import { immutableAssign } from '../miscs/miscs'
-import { HttpStatusCode } from '../../../shared/core-utils/miscs/http-error-codes'
 
 function checkBadStartPagination (url: string, path: string, token?: string, query = {}) {
   return makeGetRequest({
     url,
     path,
     token,
-    query: immutableAssign(query, { start: 'hello' }),
+    query: { ...query, start: 'hello' },
     statusCodeExpected: HttpStatusCode.BAD_REQUEST_400
   })
 }
@@ -17,7 +16,7 @@ async function checkBadCountPagination (url: string, path: string, token?: strin
     url,
     path,
     token,
-    query: immutableAssign(query, { count: 'hello' }),
+    query: { ...query, count: 'hello' },
     statusCodeExpected: HttpStatusCode.BAD_REQUEST_400
   })
 
@@ -25,7 +24,7 @@ async function checkBadCountPagination (url: string, path: string, token?: strin
     url,
     path,
     token,
-    query: immutableAssign(query, { count: 2000 }),
+    query: { ...query, count: 2000 },
     statusCodeExpected: HttpStatusCode.BAD_REQUEST_400
   })
 }
@@ -35,7 +34,7 @@ function checkBadSortPagination (url: string, path: string, token?: string, quer
     url,
     path,
     token,
-    query: immutableAssign(query, { sort: 'hello' }),
+    query: { ...query, sort: 'hello' },
     statusCodeExpected: HttpStatusCode.BAD_REQUEST_400
   })
 }
diff --git a/shared/extra-utils/requests/requests.ts b/shared/extra-utils/requests/requests.ts
index 3fbaa31d6..f9d112aca 100644
--- a/shared/extra-utils/requests/requests.ts
+++ b/shared/extra-utils/requests/requests.ts
@@ -4,8 +4,8 @@ import { isAbsolute, join } from 'path'
 import { decode } from 'querystring'
 import * as request from 'supertest'
 import { URL } from 'url'
-import { HttpStatusCode } from '../../../shared/core-utils/miscs/http-error-codes'
-import { buildAbsoluteFixturePath, root } from '../miscs/miscs'
+import { HttpStatusCode } from '@shared/core-utils'
+import { buildAbsoluteFixturePath, root } from '../miscs/tests'
 
 function get4KFileUrl () {
   return 'https://download.cpy.re/peertube/4k_file.txt'
diff --git a/shared/extra-utils/server/directories.ts b/shared/extra-utils/server/directories.ts
new file mode 100644
index 000000000..3cd38a561
--- /dev/null
+++ b/shared/extra-utils/server/directories.ts
@@ -0,0 +1,34 @@
+/* eslint-disable @typescript-eslint/no-unused-expressions,@typescript-eslint/require-await */
+
+import { expect } from 'chai'
+import { pathExists, readdir } from 'fs-extra'
+import { join } from 'path'
+import { root } from '@server/helpers/core-utils'
+import { ServerInfo } from './servers'
+
+async function checkTmpIsEmpty (server: ServerInfo) {
+  await checkDirectoryIsEmpty(server, 'tmp', [ 'plugins-global.css', 'hls', 'resumable-uploads' ])
+
+  if (await pathExists(join('test' + server.internalServerNumber, 'tmp', 'hls'))) {
+    await checkDirectoryIsEmpty(server, 'tmp/hls')
+  }
+}
+
+async function checkDirectoryIsEmpty (server: ServerInfo, directory: string, exceptions: string[] = []) {
+  const testDirectory = 'test' + server.internalServerNumber
+
+  const directoryPath = join(root(), testDirectory, directory)
+
+  const directoryExists = await pathExists(directoryPath)
+  expect(directoryExists).to.be.true
+
+  const files = await readdir(directoryPath)
+  const filtered = files.filter(f => exceptions.includes(f) === false)
+
+  expect(filtered).to.have.lengthOf(0)
+}
+
+export {
+  checkTmpIsEmpty,
+  checkDirectoryIsEmpty
+}
diff --git a/shared/extra-utils/server/index.ts b/shared/extra-utils/server/index.ts
index 03c3b0123..669b004cd 100644
--- a/shared/extra-utils/server/index.ts
+++ b/shared/extra-utils/server/index.ts
@@ -1,6 +1,7 @@
 export * from './config-command'
 export * from './contact-form-command'
 export * from './debug-command'
+export * from './directories'
 export * from './follows-command'
 export * from './follows'
 export * from './jobs'
@@ -8,5 +9,6 @@ export * from './jobs-command'
 export * from './plugins-command'
 export * from './plugins'
 export * from './redundancy-command'
+export * from './servers-command'
 export * from './servers'
 export * from './stats-command'
diff --git a/shared/extra-utils/server/jobs.ts b/shared/extra-utils/server/jobs.ts
index b4b3d52e7..36ef882b3 100644
--- a/shared/extra-utils/server/jobs.ts
+++ b/shared/extra-utils/server/jobs.ts
@@ -1,6 +1,6 @@
 
 import { JobState } from '../../models'
-import { wait } from '../miscs/miscs'
+import { wait } from '../miscs'
 import { ServerInfo } from './servers'
 
 async function waitJobs (serversArg: ServerInfo[] | ServerInfo) {
diff --git a/shared/extra-utils/server/plugins-command.ts b/shared/extra-utils/server/plugins-command.ts
index ff49d58c4..5bed51d1a 100644
--- a/shared/extra-utils/server/plugins-command.ts
+++ b/shared/extra-utils/server/plugins-command.ts
@@ -15,7 +15,6 @@ import {
   RegisteredServerSettings,
   ResultList
 } from '@shared/models'
-import { buildServerDirectory } from '../miscs'
 import { AbstractCommand, OverrideCommandOptions } from '../shared'
 
 export class PluginsCommand extends AbstractCommand {
@@ -252,6 +251,6 @@ export class PluginsCommand extends AbstractCommand {
   }
 
   private getPackageJSONPath (npmName: string) {
-    return buildServerDirectory(this.server, join('plugins', 'node_modules', npmName, 'package.json'))
+    return this.server.serversCommand.buildDirectory(join('plugins', 'node_modules', npmName, 'package.json'))
   }
 }
diff --git a/shared/extra-utils/server/servers-command.ts b/shared/extra-utils/server/servers-command.ts
new file mode 100644
index 000000000..9ef68fede
--- /dev/null
+++ b/shared/extra-utils/server/servers-command.ts
@@ -0,0 +1,81 @@
+import { exec } from 'child_process'
+import { copy, ensureDir, readFile, remove } from 'fs-extra'
+import { join } from 'path'
+import { root } from '@server/helpers/core-utils'
+import { HttpStatusCode } from '@shared/core-utils'
+import { getFileSize } from '@uploadx/core'
+import { isGithubCI, wait } from '../miscs'
+import { AbstractCommand, OverrideCommandOptions } from '../shared'
+
+export class ServersCommand extends AbstractCommand {
+
+  static flushTests (internalServerNumber: number) {
+    return new Promise<void>((res, rej) => {
+      const suffix = ` -- ${internalServerNumber}`
+
+      return exec('npm run clean:server:test' + suffix, (err, _stdout, stderr) => {
+        if (err || stderr) return rej(err || new Error(stderr))
+
+        return res()
+      })
+    })
+  }
+
+  ping (options: OverrideCommandOptions = {}) {
+    return this.getRequestBody({
+      ...options,
+
+      path: '/api/v1/ping',
+      implicitToken: false,
+      defaultExpectedStatus: HttpStatusCode.OK_200
+    })
+  }
+
+  async cleanupTests () {
+    const p: Promise<any>[] = []
+
+    if (isGithubCI()) {
+      await ensureDir('artifacts')
+
+      const origin = this.server.serversCommand.buildDirectory('logs/peertube.log')
+      const destname = `peertube-${this.server.internalServerNumber}.log`
+      console.log('Saving logs %s.', destname)
+
+      await copy(origin, join('artifacts', destname))
+    }
+
+    if (this.server.parallel) {
+      p.push(ServersCommand.flushTests(this.server.internalServerNumber))
+    }
+
+    if (this.server.customConfigFile) {
+      p.push(remove(this.server.customConfigFile))
+    }
+
+    return p
+  }
+
+  async waitUntilLog (str: string, count = 1, strictCount = true) {
+    const logfile = this.server.serversCommand.buildDirectory('logs/peertube.log')
+
+    while (true) {
+      const buf = await readFile(logfile)
+
+      const matches = buf.toString().match(new RegExp(str, 'g'))
+      if (matches && matches.length === count) return
+      if (matches && strictCount === false && matches.length >= count) return
+
+      await wait(1000)
+    }
+  }
+
+  buildDirectory (directory: string) {
+    return join(root(), 'test' + this.server.internalServerNumber, directory)
+  }
+
+  async getServerFileSize (subPath: string) {
+    const path = this.server.serversCommand.buildDirectory(subPath)
+
+    return getFileSize(path)
+  }
+}
diff --git a/shared/extra-utils/server/servers.ts b/shared/extra-utils/server/servers.ts
index e0e49d2c4..f5dc0326f 100644
--- a/shared/extra-utils/server/servers.ts
+++ b/shared/extra-utils/server/servers.ts
@@ -1,9 +1,9 @@
 /* eslint-disable @typescript-eslint/no-unused-expressions,@typescript-eslint/no-floating-promises */
 
-import { expect } from 'chai'
-import { ChildProcess, exec, fork } from 'child_process'
-import { copy, ensureDir, pathExists, readdir, readFile, remove } from 'fs-extra'
+import { ChildProcess, fork } from 'child_process'
+import { copy, ensureDir } from 'fs-extra'
 import { join } from 'path'
+import { root } from '@server/helpers/core-utils'
 import { randomInt } from '../../core-utils/miscs/miscs'
 import { VideoChannel } from '../../models/videos'
 import { BulkCommand } from '../bulk'
@@ -11,11 +11,9 @@ import { CLICommand } from '../cli'
 import { CustomPagesCommand } from '../custom-pages'
 import { FeedCommand } from '../feeds'
 import { LogsCommand } from '../logs'
-import { SQLCommand } from '../miscs'
-import { buildServerDirectory, getFileSize, isGithubCI, root, wait } from '../miscs/miscs'
+import { isGithubCI, parallelTests, SQLCommand } from '../miscs'
 import { AbusesCommand } from '../moderation'
 import { OverviewsCommand } from '../overviews'
-import { makeGetRequest } from '../requests/requests'
 import { SearchCommand } from '../search'
 import { SocketIOCommand } from '../socket'
 import { AccountsCommand, BlocklistCommand, NotificationsCommand, SubscriptionsCommand } from '../users'
@@ -39,6 +37,7 @@ import { FollowsCommand } from './follows-command'
 import { JobsCommand } from './jobs-command'
 import { PluginsCommand } from './plugins-command'
 import { RedundancyCommand } from './redundancy-command'
+import { ServersCommand } from './servers-command'
 import { StatsCommand } from './stats-command'
 
 interface ServerInfo {
@@ -126,10 +125,7 @@ interface ServerInfo {
   commentsCommand?: CommentsCommand
   sqlCommand?: SQLCommand
   notificationsCommand?: NotificationsCommand
-}
-
-function parallelTests () {
-  return process.env.MOCHA_PARALLEL === 'true'
+  serversCommand?: ServersCommand
 }
 
 function flushAndRunMultipleServers (totalServers: number, configOverride?: Object) {
@@ -151,18 +147,6 @@ function flushAndRunMultipleServers (totalServers: number, configOverride?: Obje
   })
 }
 
-function flushTests (serverNumber?: number) {
-  return new Promise<void>((res, rej) => {
-    const suffix = serverNumber ? ` -- ${serverNumber}` : ''
-
-    return exec('npm run clean:server:test' + suffix, (err, _stdout, stderr) => {
-      if (err || stderr) return rej(err || new Error(stderr))
-
-      return res()
-    })
-  })
-}
-
 function randomServer () {
   const low = 10
   const high = 10000
@@ -189,7 +173,7 @@ async function flushAndRunServer (serverNumber: number, configOverride?: Object,
   const rtmpPort = parallel ? randomRTMP() : 1936
   const port = 9000 + internalServerNumber
 
-  await flushTests(internalServerNumber)
+  await ServersCommand.flushTests(internalServerNumber)
 
   const server: ServerInfo = {
     app: null,
@@ -372,6 +356,7 @@ function assignCommands (server: ServerInfo) {
   server.commentsCommand = new CommentsCommand(server)
   server.sqlCommand = new SQLCommand(server)
   server.notificationsCommand = new NotificationsCommand(server)
+  server.serversCommand = new ServersCommand(server)
 }
 
 async function reRunServer (server: ServerInfo, configOverride?: any) {
@@ -381,28 +366,6 @@ async function reRunServer (server: ServerInfo, configOverride?: any) {
   return server
 }
 
-async function checkTmpIsEmpty (server: ServerInfo) {
-  await checkDirectoryIsEmpty(server, 'tmp', [ 'plugins-global.css', 'hls', 'resumable-uploads' ])
-
-  if (await pathExists(join('test' + server.internalServerNumber, 'tmp', 'hls'))) {
-    await checkDirectoryIsEmpty(server, 'tmp/hls')
-  }
-}
-
-async function checkDirectoryIsEmpty (server: ServerInfo, directory: string, exceptions: string[] = []) {
-  const testDirectory = 'test' + server.internalServerNumber
-
-  const directoryPath = join(root(), testDirectory, directory)
-
-  const directoryExists = await pathExists(directoryPath)
-  expect(directoryExists).to.be.true
-
-  const files = await readdir(directoryPath)
-  const filtered = files.filter(f => exceptions.includes(f) === false)
-
-  expect(filtered).to.have.lengthOf(0)
-}
-
 async function killallServers (servers: ServerInfo[]) {
   for (const server of servers) {
     if (!server.app) continue
@@ -422,71 +385,22 @@ async function cleanupTests (servers: ServerInfo[]) {
     await ensureDir('artifacts')
   }
 
-  const p: Promise<any>[] = []
+  let p: Promise<any>[] = []
   for (const server of servers) {
-    if (isGithubCI()) {
-      const origin = await buildServerDirectory(server, 'logs/peertube.log')
-      const destname = `peertube-${server.internalServerNumber}.log`
-      console.log('Saving logs %s.', destname)
-
-      await copy(origin, join('artifacts', destname))
-    }
-
-    if (server.parallel) {
-      p.push(flushTests(server.internalServerNumber))
-    }
-
-    if (server.customConfigFile) {
-      p.push(remove(server.customConfigFile))
-    }
+    p = p.concat(server.serversCommand.cleanupTests())
   }
 
   return Promise.all(p)
 }
 
-async function waitUntilLog (server: ServerInfo, str: string, count = 1, strictCount = true) {
-  const logfile = buildServerDirectory(server, 'logs/peertube.log')
-
-  while (true) {
-    const buf = await readFile(logfile)
-
-    const matches = buf.toString().match(new RegExp(str, 'g'))
-    if (matches && matches.length === count) return
-    if (matches && strictCount === false && matches.length >= count) return
-
-    await wait(1000)
-  }
-}
-
-async function getServerFileSize (server: ServerInfo, subPath: string) {
-  const path = buildServerDirectory(server, subPath)
-
-  return getFileSize(path)
-}
-
-function makePingRequest (server: ServerInfo) {
-  return makeGetRequest({
-    url: server.url,
-    path: '/api/v1/ping',
-    statusCodeExpected: 200
-  })
-}
-
 // ---------------------------------------------------------------------------
 
 export {
-  checkDirectoryIsEmpty,
-  checkTmpIsEmpty,
-  getServerFileSize,
   ServerInfo,
-  parallelTests,
   cleanupTests,
   flushAndRunMultipleServers,
-  flushTests,
-  makePingRequest,
   flushAndRunServer,
   killallServers,
   reRunServer,
-  assignCommands,
-  waitUntilLog
+  assignCommands
 }
diff --git a/shared/extra-utils/shared/abstract-command.ts b/shared/extra-utils/shared/abstract-command.ts
index fd2deb57e..4e61554a2 100644
--- a/shared/extra-utils/shared/abstract-command.ts
+++ b/shared/extra-utils/shared/abstract-command.ts
@@ -1,6 +1,6 @@
 import { isAbsolute, join } from 'path'
 import { HttpStatusCode } from '@shared/core-utils'
-import { root } from '../miscs/miscs'
+import { root } from '../miscs/tests'
 import {
   makeDeleteRequest,
   makeGetRequest,
diff --git a/shared/extra-utils/videos/captions-command.ts b/shared/extra-utils/videos/captions-command.ts
index 908b6dae6..ac3bde7a9 100644
--- a/shared/extra-utils/videos/captions-command.ts
+++ b/shared/extra-utils/videos/captions-command.ts
@@ -1,6 +1,6 @@
+import { HttpStatusCode } from '@shared/core-utils'
 import { ResultList, VideoCaption } from '@shared/models'
-import { HttpStatusCode } from '../../core-utils/miscs/http-error-codes'
-import { buildAbsoluteFixturePath } from '../miscs/miscs'
+import { buildAbsoluteFixturePath } from '../miscs'
 import { AbstractCommand, OverrideCommandOptions } from '../shared'
 
 export class CaptionsCommand extends AbstractCommand {
diff --git a/shared/extra-utils/videos/live-command.ts b/shared/extra-utils/videos/live-command.ts
index 4f03c9127..a494e60fa 100644
--- a/shared/extra-utils/videos/live-command.ts
+++ b/shared/extra-utils/videos/live-command.ts
@@ -5,9 +5,8 @@ import { omit } from 'lodash'
 import { join } from 'path'
 import { LiveVideo, LiveVideoCreate, LiveVideoUpdate, VideoCreateResult, VideoDetails, VideoState } from '@shared/models'
 import { HttpStatusCode } from '../../core-utils/miscs/http-error-codes'
-import { buildServerDirectory, wait } from '../miscs/miscs'
+import { wait } from '../miscs'
 import { unwrapBody } from '../requests'
-import { waitUntilLog } from '../server/servers'
 import { AbstractCommand, OverrideCommandOptions } from '../shared'
 import { sendRTMPStream, testFfmpegStreamError } from './live'
 import { getVideoWithToken } from './videos'
@@ -116,7 +115,7 @@ export class LiveCommand extends AbstractCommand {
     const { resolution, segment, videoUUID } = options
     const segmentName = `${resolution}-00000${segment}.ts`
 
-    return waitUntilLog(this.server, `${videoUUID}/${segmentName}`, 2, false)
+    return this.server.serversCommand.waitUntilLog(`${videoUUID}/${segmentName}`, 2, false)
   }
 
   async waitUntilSaved (options: OverrideCommandOptions & {
@@ -135,7 +134,7 @@ export class LiveCommand extends AbstractCommand {
   async countPlaylists (options: OverrideCommandOptions & {
     videoUUID: string
   }) {
-    const basePath = buildServerDirectory(this.server, 'streaming-playlists')
+    const basePath = this.server.serversCommand.buildDirectory('streaming-playlists')
     const hlsPath = join(basePath, 'hls', options.videoUUID)
 
     const files = await readdir(hlsPath)
diff --git a/shared/extra-utils/videos/live.ts b/shared/extra-utils/videos/live.ts
index 92cb9104c..0efcc2883 100644
--- a/shared/extra-utils/videos/live.ts
+++ b/shared/extra-utils/videos/live.ts
@@ -4,7 +4,7 @@ import { expect } from 'chai'
 import * as ffmpeg from 'fluent-ffmpeg'
 import { pathExists, readdir } from 'fs-extra'
 import { join } from 'path'
-import { buildAbsoluteFixturePath, buildServerDirectory, wait } from '../miscs/miscs'
+import { buildAbsoluteFixturePath, wait } from '../miscs'
 import { ServerInfo } from '../server/servers'
 
 function sendRTMPStream (rtmpBaseUrl: string, streamKey: string, fixtureName = 'video_short.mp4') {
@@ -77,7 +77,7 @@ async function waitUntilLivePublishedOnAllServers (servers: ServerInfo[], videoI
 }
 
 async function checkLiveCleanup (server: ServerInfo, videoUUID: string, resolutions: number[] = []) {
-  const basePath = buildServerDirectory(server, 'streaming-playlists')
+  const basePath = server.serversCommand.buildDirectory('streaming-playlists')
   const hlsPath = join(basePath, 'hls', videoUUID)
 
   if (resolutions.length === 0) {
diff --git a/shared/extra-utils/videos/playlists.ts b/shared/extra-utils/videos/playlists.ts
index 023333c87..3dde52bb9 100644
--- a/shared/extra-utils/videos/playlists.ts
+++ b/shared/extra-utils/videos/playlists.ts
@@ -1,7 +1,7 @@
 import { expect } from 'chai'
 import { readdir } from 'fs-extra'
 import { join } from 'path'
-import { root } from '../'
+import { root } from '../miscs'
 
 async function checkPlaylistFilesWereRemoved (
   playlistUUID: string,
diff --git a/shared/extra-utils/videos/videos.ts b/shared/extra-utils/videos/videos.ts
index 920c93072..5dd71ce8b 100644
--- a/shared/extra-utils/videos/videos.ts
+++ b/shared/extra-utils/videos/videos.ts
@@ -13,15 +13,7 @@ import { HttpStatusCode } from '@shared/core-utils'
 import { BooleanBothQuery, VideosCommonQuery } from '@shared/models'
 import { loadLanguages, VIDEO_CATEGORIES, VIDEO_LANGUAGES, VIDEO_LICENCES, VIDEO_PRIVACIES } from '../../../server/initializers/constants'
 import { VideoDetails, VideoPrivacy } from '../../models/videos'
-import {
-  buildAbsoluteFixturePath,
-  buildServerDirectory,
-  dateIsValid,
-  immutableAssign,
-  testImage,
-  wait,
-  webtorrentAdd
-} from '../miscs/miscs'
+import { buildAbsoluteFixturePath, dateIsValid, testImage, wait, webtorrentAdd } from '../miscs'
 import { makeGetRequest, makePutBodyRequest, makeRawRequest, makeUploadRequest } from '../requests/requests'
 import { waitJobs } from '../server/jobs'
 import { ServerInfo } from '../server/servers'
@@ -165,7 +157,7 @@ function getVideosListWithToken (url: string, token: string, query: { nsfw?: Boo
   return request(url)
     .get(path)
     .set('Authorization', 'Bearer ' + token)
-    .query(immutableAssign(query, { sort: 'name' }))
+    .query({ sort: 'name', ...query })
     .set('Accept', 'application/json')
     .expect(HttpStatusCode.OK_200)
     .expect('Content-Type', /json/)
@@ -228,11 +220,7 @@ function getAccountVideos (
   return makeGetRequest({
     url,
     path,
-    query: immutableAssign(query, {
-      start,
-      count,
-      sort
-    }),
+    query: { ...query, start, count, sort },
     token: accessToken,
     statusCodeExpected: HttpStatusCode.OK_200
   })
@@ -252,11 +240,7 @@ function getVideoChannelVideos (
   return makeGetRequest({
     url,
     path,
-    query: immutableAssign(query, {
-      start,
-      count,
-      sort
-    }),
+    query: { ...query, start, count, sort },
     token: accessToken,
     statusCodeExpected: HttpStatusCode.OK_200
   })
@@ -320,7 +304,7 @@ async function removeAllVideos (server: ServerInfo) {
 
 async function checkVideoFilesWereRemoved (
   videoUUID: string,
-  serverNumber: number,
+  server: ServerInfo,
   directories = [
     'redundancy',
     'videos',
@@ -333,7 +317,7 @@ async function checkVideoFilesWereRemoved (
   ]
 ) {
   for (const directory of directories) {
-    const directoryPath = buildServerDirectory({ internalServerNumber: serverNumber }, directory)
+    const directoryPath = server.serversCommand.buildDirectory(directory)
 
     const directoryExists = await pathExists(directoryPath)
     if (directoryExists === false) continue
@@ -607,7 +591,7 @@ function rateVideo (url: string, accessToken: string, id: number | string, ratin
 function parseTorrentVideo (server: ServerInfo, videoUUID: string, resolution: number) {
   return new Promise<any>((res, rej) => {
     const torrentName = videoUUID + '-' + resolution + '.torrent'
-    const torrentPath = buildServerDirectory(server, join('torrents', torrentName))
+    const torrentPath = server.serversCommand.buildDirectory(join('torrents', torrentName))
 
     readFile(torrentPath, (err, data) => {
       if (err) return rej(err)