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;(function () {
'use strict'
var child_process = require('child_process')
var fork = child_process.fork
var exec = child_process.exec
function runMultipleServers (total_servers, serversRun) {
var apps = []
var urls = []
var i = 0
function anotherServerDone (number, app, url) {
apps[number - 1] = app
urls[number - 1] = url
i++
if (i === total_servers) {
serversRun(apps, urls)
}
}
flushTests(function () {
for (var j = 1; j <= total_servers; j++) {
(function (k) { // TODO: ES6 with let
// For the virtual buffer
setTimeout(function () {
runServer(k, function (app, url) {
anotherServerDone(k, app, url)
})
}, 1000 * k)
})(j)
}
})
}
function runServer (number, callback) {
var port = 9000 + number
var server_run_string = {
'Connected to mongodb': false,
'Server listening on port': false
}
// Share the environment
var env = Object.create(process.env)
env.NODE_ENV = 'test'
env.NODE_APP_INSTANCE = number
var options = {
silent: true,
env: env,
detached: true
}
var app = fork(__dirname + '/../server.js', [], options)
app.stdout.on('data', function onStdout (data) {
var dont_continue = false
// Check if all required sentences are here
for (var key of Object.keys(server_run_string)) {
if (data.toString().indexOf(key) !== -1) server_run_string[key] = true
if (server_run_string[key] === false) dont_continue = true
}
// If no, there is maybe one thing not already initialized (mongodb...)
if (dont_continue === true) return
app.stdout.removeListener('data', onStdout)
callback(app, 'http://localhost:' + port)
})
}
function flushTests (callback) {
exec(__dirname + '/../scripts/clean_test.sh', function () {
callback()
})
}
module.exports = {
runMultipleServers: runMultipleServers,
runServer: runServer,
flushTests: flushTests
}
})()
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