server/tests/utils/server/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     name: string
  27     account: {
  28       name: string
  29     }
  30   }
  31
  32   remoteVideo?: {
  33     id: number
  34     uuid: string
  35   }
  36 }
  37
  38 function flushAndRunMultipleServers (totalServers) {
  39   let apps = []
  40   let i = 0
  41
  42   return new Promise<ServerInfo[]>(res => {
  43     function anotherServerDone (serverNumber, app) {
  44       apps[serverNumber - 1] = app
  45       i++
  46       if (i === totalServers) {
  47         return res(apps)
  48       }
  49     }
  50
  51     flushTests()
  52       .then(() => {
  53         for (let j = 1; j <= totalServers; j++) {
  54           // For the virtual buffer
  55           setTimeout(() => {
  56             runServer(j).then(app => anotherServerDone(j, app))
  57           }, 1000 * (j - 1))
  58         }
  59       })
  60   })
  61 }
  62
  63 function flushTests () {
  64   return new Promise<void>((res, rej) => {
  65     return exec('npm run clean:server:test', err => {
  66       if (err) return rej(err)
  67
  68       return res()
  69     })
  70   })
  71 }
  72
  73 function runServer (serverNumber: number, configOverride?: Object) {
  74   const server: ServerInfo = {
  75     app: null,
  76     serverNumber: serverNumber,
  77     url: `http://localhost:${9000 + serverNumber}`,
  78     host: `localhost:${9000 + serverNumber}`,
  79     client: {
  80       id: null,
  81       secret: null
  82     },
  83     user: {
  84       username: null,
  85       password: null
  86     }
  87   }
  88
  89   // These actions are async so we need to be sure that they have both been done
  90   const serverRunString = {
  91     'Server listening': false
  92   }
  93   const key = 'Database peertube_test' + serverNumber + ' is ready'
  94   serverRunString[key] = false
  95
  96   const regexps = {
  97     client_id: 'Client id: (.+)',
  98     client_secret: 'Client secret: (.+)',
  99     user_username: 'Username: (.+)',
 100     user_password: 'User password: (.+)'
 101   }
 102
 103   // Share the environment
 104   const env = Object.create(process.env)
 105   env['NODE_ENV'] = 'test'
 106   env['NODE_APP_INSTANCE'] = serverNumber.toString()
 107
 108   if (configOverride !== undefined) {
 109     env['NODE_CONFIG'] = JSON.stringify(configOverride)
 110   }
 111
 112   const options = {
 113     silent: true,
 114     env: env,
 115     detached: true
 116   }
 117
 118   return new Promise<ServerInfo>(res => {
 119     server.app = fork(join(__dirname, '..', '..', '..', '..', 'dist', 'server.js'), [], options)
 120     server.app.stdout.on('data', function onStdout (data) {
 121       let dontContinue = false
 122
 123       // Capture things if we want to
 124       for (const key of Object.keys(regexps)) {
 125         const regexp = regexps[key]
 126         const matches = data.toString().match(regexp)
 127         if (matches !== null) {
 128           if (key === 'client_id') server.client.id = matches[1]
 129           else if (key === 'client_secret') server.client.secret = matches[1]
 130           else if (key === 'user_username') server.user.username = matches[1]
 131           else if (key === 'user_password') server.user.password = matches[1]
 132         }
 133       }
 134
 135       // Check if all required sentences are here
 136       for (const key of Object.keys(serverRunString)) {
 137         if (data.toString().indexOf(key) !== -1) serverRunString[key] = true
 138         if (serverRunString[key] === false) dontContinue = true
 139       }
 140
 141       // If no, there is maybe one thing not already initialized (client/user credentials generation...)
 142       if (dontContinue === true) return
 143
 144       server.app.stdout.removeListener('data', onStdout)
 145       res(server)
 146     })
 147   })
 148 }
 149
 150 async function reRunServer (server: ServerInfo) {
 151   const newServer = await runServer(server.serverNumber)
 152   server.app = newServer.app
 153
 154   return server
 155 }
 156
 157 function killallServers (servers: ServerInfo[]) {
 158   for (const server of servers) {
 159     process.kill(-server.app.pid)
 160   }
 161 }
 162
 163 // ---------------------------------------------------------------------------
 164
 165 export {
 166   ServerInfo,
 167   flushAndRunMultipleServers,
 168   flushTests,
 169   runServer,
 170   killallServers,
 171   reRunServer
 172 }