1 files changed, 115 insertions, 0 deletions

diff --git a/server/tests/utils/servers.js b/server/tests/utils/servers.js
new file mode 100644
index 000000000..ee7cd8c0a
--- /dev/null
+++ b/server/tests/utils/servers.js
@@ -0,0 +1,115 @@
+'use strict'
+
+const childProcess = require('child_process')
+const exec = childProcess.exec
+const fork = childProcess.fork
+const pathUtils = require('path')
+
+const serversUtils = {
+  flushAndRunMultipleServers: flushAndRunMultipleServers,
+  flushTests: flushTests,
+  runServer: runServer
+}
+
+// ---------------------- Export functions --------------------
+
+function flushAndRunMultipleServers (totalServers, serversRun) {
+  let apps = []
+  let urls = []
+  let i = 0
+
+  function anotherServerDone (number, app, url) {
+    apps[number - 1] = app
+    urls[number - 1] = url
+    i++
+    if (i === totalServers) {
+      serversRun(apps, urls)
+    }
+  }
+
+  flushTests(function () {
+    for (let j = 1; j <= totalServers; j++) {
+      // For the virtual buffer
+      setTimeout(function () {
+        runServer(j, function (app, url) {
+          anotherServerDone(j, app, url)
+        })
+      }, 1000 * j)
+    }
+  })
+}
+
+function flushTests (callback) {
+  exec('npm run clean:server:test', callback)
+}
+
+function runServer (number, callback) {
+  const server = {
+    app: null,
+    url: `http://localhost:${9000 + number}`,
+    client: {
+      id: null,
+      secret: null
+    },
+    user: {
+      username: null,
+      password: null
+    }
+  }
+
+  // These actions are async so we need to be sure that they have both been done
+  const serverRunString = {
+    'Connected to mongodb': false,
+    'Server listening on port': false
+  }
+
+  const regexps = {
+    client_id: 'Client id: ([a-f0-9]+)',
+    client_secret: 'Client secret: (.+)',
+    user_username: 'Username: (.+)',
+    user_password: 'User password: (.+)'
+  }
+
+  // Share the environment
+  const env = Object.create(process.env)
+  env.NODE_ENV = 'test'
+  env.NODE_APP_INSTANCE = number
+  const options = {
+    silent: true,
+    env: env,
+    detached: true
+  }
+
+  server.app = fork(pathUtils.join(__dirname, '../../../server.js'), [], options)
+  server.app.stdout.on('data', function onStdout (data) {
+    let dontContinue = false
+
+    // Capture things if we want to
+    for (const key of Object.keys(regexps)) {
+      const regexp = regexps[key]
+      const matches = data.toString().match(regexp)
+      if (matches !== null) {
+        if (key === 'client_id') server.client.id = matches[1]
+        else if (key === 'client_secret') server.client.secret = matches[1]
+        else if (key === 'user_username') server.user.username = matches[1]
+        else if (key === 'user_password') server.user.password = matches[1]
+      }
+    }
+
+    // Check if all required sentences are here
+    for (const key of Object.keys(serverRunString)) {
+      if (data.toString().indexOf(key) !== -1) serverRunString[key] = true
+      if (serverRunString[key] === false) dontContinue = true
+    }
+
+    // If no, there is maybe one thing not already initialized (mongodb...)
+    if (dontContinue === true) return
+
+    server.app.stdout.removeListener('data', onStdout)
+    callback(server)
+  })
+}
+
+// ---------------------------------------------------------------------------
+
+module.exports = serversUtils