shared/extra-utils/server/servers.ts

   1 /* tslint:disable:no-unused-expression */
   2
   3 import { ChildProcess, exec, fork } from 'child_process'
   4 import { join } from 'path'
   5 import { root, wait } from '../miscs/miscs'
   6 import { copy, readdir, readFile, remove } from 'fs-extra'
   7 import { existsSync } from 'fs'
   8 import { expect } from 'chai'
   9 import { VideoChannel } from '../../models/videos'
  10 import { randomInt } from '../../core-utils/miscs/miscs'
  11
  12 interface ServerInfo {
  13   app: ChildProcess,
  14   url: string
  15   host: string
  16
  17   port: number
  18   parallel: boolean
  19   internalServerNumber: number
  20   serverNumber: number
  21
  22   client: {
  23     id: string,
  24     secret: string
  25   }
  26
  27   user: {
  28     username: string,
  29     password: string,
  30     email?: string
  31   }
  32
  33   customConfigFile?: string
  34
  35   accessToken?: string
  36   videoChannel?: VideoChannel
  37
  38   video?: {
  39     id: number
  40     uuid: string
  41     name: string
  42     account: {
  43       name: string
  44     }
  45   }
  46
  47   remoteVideo?: {
  48     id: number
  49     uuid: string
  50   }
  51
  52   videos?: { id: number, uuid: string }[]
  53 }
  54
  55 function parallelTests () {
  56   return process.env.MOCHA_PARALLEL === 'true'
  57 }
  58
  59 function flushAndRunMultipleServers (totalServers: number, configOverride?: Object) {
  60   let apps = []
  61   let i = 0
  62
  63   return new Promise<ServerInfo[]>(res => {
  64     function anotherServerDone (serverNumber, app) {
  65       apps[serverNumber - 1] = app
  66       i++
  67       if (i === totalServers) {
  68         return res(apps)
  69       }
  70     }
  71
  72     for (let j = 1; j <= totalServers; j++) {
  73       flushAndRunServer(j, configOverride).then(app => anotherServerDone(j, app))
  74     }
  75   })
  76 }
  77
  78 function flushTests (serverNumber?: number) {
  79   return new Promise<void>((res, rej) => {
  80     const suffix = serverNumber ? ` -- ${serverNumber}` : ''
  81
  82     return exec('npm run clean:server:test' + suffix, err => {
  83       if (err) return rej(err)
  84
  85       return res()
  86     })
  87   })
  88 }
  89
  90 function randomServer () {
  91   const low = 10
  92   const high = 10000
  93
  94   return randomInt(low, high)
  95 }
  96
  97 async function flushAndRunServer (serverNumber: number, configOverride?: Object, args = []) {
  98   const parallel = parallelTests()
  99
 100   const internalServerNumber = parallel ? randomServer() : serverNumber
 101   const port = 9000 + internalServerNumber
 102
 103   await flushTests(internalServerNumber)
 104
 105   const server: ServerInfo = {
 106     app: null,
 107     port,
 108     internalServerNumber,
 109     parallel,
 110     serverNumber,
 111     url: `http://localhost:${port}`,
 112     host: `localhost:${port}`,
 113     client: {
 114       id: null,
 115       secret: null
 116     },
 117     user: {
 118       username: null,
 119       password: null
 120     }
 121   }
 122
 123   return runServer(server, configOverride, args)
 124 }
 125
 126 async function runServer (server: ServerInfo, configOverrideArg?: any, args = []) {
 127   // These actions are async so we need to be sure that they have both been done
 128   const serverRunString = {
 129     'Server listening': false
 130   }
 131   const key = 'Database peertube_test' + server.internalServerNumber + ' is ready'
 132   serverRunString[key] = false
 133
 134   const regexps = {
 135     client_id: 'Client id: (.+)',
 136     client_secret: 'Client secret: (.+)',
 137     user_username: 'Username: (.+)',
 138     user_password: 'User password: (.+)'
 139   }
 140
 141   if (server.internalServerNumber !== server.serverNumber) {
 142     const basePath = join(root(), 'config')
 143
 144     const tmpConfigFile = join(basePath, `test-${server.internalServerNumber}.yaml`)
 145     await copy(join(basePath, `test-${server.serverNumber}.yaml`), tmpConfigFile)
 146
 147     server.customConfigFile = tmpConfigFile
 148   }
 149
 150   const configOverride: any = {}
 151
 152   if (server.parallel) {
 153     Object.assign(configOverride, {
 154       listen: {
 155         port: server.port
 156       },
 157       webserver: {
 158         port: server.port
 159       },
 160       database: {
 161         suffix: '_test' + server.internalServerNumber
 162       },
 163       storage: {
 164         tmp: `test${server.internalServerNumber}/tmp/`,
 165         avatars: `test${server.internalServerNumber}/avatars/`,
 166         videos: `test${server.internalServerNumber}/videos/`,
 167         streaming_playlists: `test${server.internalServerNumber}/streaming-playlists/`,
 168         redundancy: `test${server.internalServerNumber}/redundancy/`,
 169         logs: `test${server.internalServerNumber}/logs/`,
 170         previews: `test${server.internalServerNumber}/previews/`,
 171         thumbnails: `test${server.internalServerNumber}/thumbnails/`,
 172         torrents: `test${server.internalServerNumber}/torrents/`,
 173         captions: `test${server.internalServerNumber}/captions/`,
 174         cache: `test${server.internalServerNumber}/cache/`
 175       },
 176       admin: {
 177         email: `admin${server.internalServerNumber}@example.com`
 178       }
 179     })
 180   }
 181
 182   if (configOverrideArg !== undefined) {
 183     Object.assign(configOverride, configOverrideArg)
 184   }
 185
 186   // Share the environment
 187   const env = Object.create(process.env)
 188   env['NODE_ENV'] = 'test'
 189   env['NODE_APP_INSTANCE'] = server.internalServerNumber.toString()
 190   env['NODE_CONFIG'] = JSON.stringify(configOverride)
 191
 192   const options = {
 193     silent: true,
 194     env,
 195     detached: true
 196   }
 197
 198   return new Promise<ServerInfo>(res => {
 199     server.app = fork(join(root(), 'dist', 'server.js'), args, options)
 200     server.app.stdout.on('data', function onStdout (data) {
 201       let dontContinue = false
 202
 203       // Capture things if we want to
 204       for (const key of Object.keys(regexps)) {
 205         const regexp = regexps[ key ]
 206         const matches = data.toString().match(regexp)
 207         if (matches !== null) {
 208           if (key === 'client_id') server.client.id = matches[ 1 ]
 209           else if (key === 'client_secret') server.client.secret = matches[ 1 ]
 210           else if (key === 'user_username') server.user.username = matches[ 1 ]
 211           else if (key === 'user_password') server.user.password = matches[ 1 ]
 212         }
 213       }
 214
 215       // Check if all required sentences are here
 216       for (const key of Object.keys(serverRunString)) {
 217         if (data.toString().indexOf(key) !== -1) serverRunString[ key ] = true
 218         if (serverRunString[ key ] === false) dontContinue = true
 219       }
 220
 221       // If no, there is maybe one thing not already initialized (client/user credentials generation...)
 222       if (dontContinue === true) return
 223
 224       server.app.stdout.removeListener('data', onStdout)
 225
 226       process.on('exit', () => {
 227         try {
 228           process.kill(server.app.pid)
 229         } catch { /* empty */ }
 230       })
 231
 232       res(server)
 233     })
 234   })
 235 }
 236
 237 async function reRunServer (server: ServerInfo, configOverride?: any) {
 238   const newServer = await runServer(server, configOverride)
 239   server.app = newServer.app
 240
 241   return server
 242 }
 243
 244 async function checkTmpIsEmpty (server: ServerInfo) {
 245   return checkDirectoryIsEmpty(server, 'tmp')
 246 }
 247
 248 async function checkDirectoryIsEmpty (server: ServerInfo, directory: string) {
 249   const testDirectory = 'test' + server.serverNumber
 250
 251   const directoryPath = join(root(), testDirectory, directory)
 252
 253   const directoryExists = existsSync(directoryPath)
 254   expect(directoryExists).to.be.true
 255
 256   const files = await readdir(directoryPath)
 257   expect(files).to.have.lengthOf(0)
 258 }
 259
 260 function killallServers (servers: ServerInfo[]) {
 261   for (const server of servers) {
 262     if (!server.app) continue
 263
 264     process.kill(-server.app.pid)
 265     server.app = null
 266   }
 267 }
 268
 269 function cleanupTests (servers: ServerInfo[]) {
 270   killallServers(servers)
 271
 272   const p: Promise<any>[] = []
 273   for (const server of servers) {
 274     if (server.parallel) {
 275       p.push(flushTests(server.internalServerNumber))
 276     }
 277
 278     if (server.customConfigFile) {
 279       p.push(remove(server.customConfigFile))
 280     }
 281   }
 282
 283   return Promise.all(p)
 284 }
 285
 286 async function waitUntilLog (server: ServerInfo, str: string, count = 1) {
 287   const logfile = join(root(), 'test' + server.internalServerNumber, 'logs/peertube.log')
 288
 289   while (true) {
 290     const buf = await readFile(logfile)
 291
 292     const matches = buf.toString().match(new RegExp(str, 'g'))
 293     if (matches && matches.length === count) return
 294
 295     await wait(1000)
 296   }
 297 }
 298
 299 // ---------------------------------------------------------------------------
 300
 301 export {
 302   checkDirectoryIsEmpty,
 303   checkTmpIsEmpty,
 304   ServerInfo,
 305   parallelTests,
 306   cleanupTests,
 307   flushAndRunMultipleServers,
 308   flushTests,
 309   flushAndRunServer,
 310   killallServers,
 311   reRunServer,
 312   waitUntilLog
 313 }