server/tests/utils/servers.ts

   1 import { ChildProcess, exec, fork } from 'child_process'
   2 import { join } from 'path'
   3
   4 interface ServerInfo {
   5   app: ChildProcess,
   6   url: string
   7   host: string
   8   serverNumber: number
   9
  10   client: {
  11     id: string,
  12     secret: string
  13   }
  14
  15   user: {
  16     username: string,
  17     password: string,
  18     email?: string
  19   }
  20
  21   accessToken?: string
  22
  23   video?: {
  24     id: number
  25     uuid: string
  26   }
  27
  28   remoteVideo?: {
  29     id: number
  30     uuid: string
  31   }
  32 }
  33
  34 async function flushAndRunMultipleServers (totalServers) {
  35   let apps = []
  36   let i = 0
  37
  38   return new Promise<ServerInfo[]>(res => {
  39     function anotherServerDone (serverNumber, app) {
  40       apps[serverNumber - 1] = app
  41       i++
  42       if (i === totalServers) {
  43         return res(apps)
  44       }
  45     }
  46
  47     flushTests()
  48       .then(() => {
  49         for (let j = 1; j <= totalServers; j++) {
  50           // For the virtual buffer
  51           setTimeout(() => {
  52             runServer(j).then(app => anotherServerDone(j, app))
  53           }, 1000 * (j - 1))
  54         }
  55       })
  56   })
  57 }
  58
  59 function flushTests () {
  60   return new Promise<void>((res, rej) => {
  61     return exec('npm run clean:server:test', err => {
  62       if (err) return rej(err)
  63
  64       return res()
  65     })
  66   })
  67 }
  68
  69 function runServer (serverNumber: number, configOverride?: Object) {
  70   const server: ServerInfo = {
  71     app: null,
  72     serverNumber: serverNumber,
  73     url: `http://localhost:${9000 + serverNumber}`,
  74     host: `localhost:${9000 + serverNumber}`,
  75     client: {
  76       id: null,
  77       secret: null
  78     },
  79     user: {
  80       username: null,
  81       password: null
  82     }
  83   }
  84
  85   // These actions are async so we need to be sure that they have both been done
  86   const serverRunString = {
  87     'Server listening on port': false
  88   }
  89   const key = 'Database peertube_test' + serverNumber + ' is ready'
  90   serverRunString[key] = false
  91
  92   const regexps = {
  93     client_id: 'Client id: (.+)',
  94     client_secret: 'Client secret: (.+)',
  95     user_username: 'Username: (.+)',
  96     user_password: 'User password: (.+)'
  97   }
  98
  99   // Share the environment
 100   const env = Object.create(process.env)
 101   env['NODE_ENV'] = 'test'
 102   env['NODE_APP_INSTANCE'] = serverNumber.toString()
 103
 104   if (configOverride !== undefined) {
 105     env['NODE_CONFIG'] = JSON.stringify(configOverride)
 106   }
 107
 108   const options = {
 109     silent: true,
 110     env: env,
 111     detached: true
 112   }
 113
 114   return new Promise<ServerInfo>(res => {
 115     server.app = fork(join(__dirname, '..', '..', '..', 'dist', 'server.js'), [], options)
 116     server.app.stdout.on('data', function onStdout (data) {
 117       let dontContinue = false
 118
 119       // Capture things if we want to
 120       for (const key of Object.keys(regexps)) {
 121         const regexp = regexps[key]
 122         const matches = data.toString().match(regexp)
 123         if (matches !== null) {
 124           if (key === 'client_id') server.client.id = matches[1]
 125           else if (key === 'client_secret') server.client.secret = matches[1]
 126           else if (key === 'user_username') server.user.username = matches[1]
 127           else if (key === 'user_password') server.user.password = matches[1]
 128         }
 129       }
 130
 131       // Check if all required sentences are here
 132       for (const key of Object.keys(serverRunString)) {
 133         if (data.toString().indexOf(key) !== -1) serverRunString[key] = true
 134         if (serverRunString[key] === false) dontContinue = true
 135       }
 136
 137       // If no, there is maybe one thing not already initialized (client/user credentials generation...)
 138       if (dontContinue === true) return
 139
 140       server.app.stdout.removeListener('data', onStdout)
 141       res(server)
 142     })
 143   })
 144 }
 145
 146 function killallServers (servers: ServerInfo[]) {
 147   for (const server of servers) {
 148     process.kill(-server.app.pid)
 149   }
 150 }
 151
 152 // ---------------------------------------------------------------------------
 153
 154 export {
 155   ServerInfo,
 156   flushAndRunMultipleServers,
 157   flushTests,
 158   runServer,
 159   killallServers
 160 }