clean up

load_index.js

-var os = require('os');
-var args = require("yargs")
+const os = require('os');
+const puppeteer = require('puppeteer');
+const si = require("systeminformation");
+const Server = require('ws').Server;
+const args = require("yargs")
 .usage("Usage : load_index.js -saveAs metadata/attachment -file file_path")
 .demandOption(['file'])
 .demandOption(['saveAs'])
@@ -14,33 +17,35 @@ var args = require("yargs")
 if (!(args.saveAs === "metadata" ||args.saveAs === "attachment")){
   throw 'Unrecognized save as argument';
 }
-var saveAs = args.saveAs;
-
-const puppeteer = require('puppeteer');
-var browser, page, ramBefore, memBefore;
 
-const si = require("systeminformation");
+var saveAs = args.saveAs,
+browser,
+page,
+ramBefore,
+memBefore;
 
-var Server = require('ws').Server;
-var port = 9030;
-var ws = new Server({port: port});
-ws.on('connection', function(w){
-  w.on('message', function(msg){
-    console.log(msg);
-    var ramAfter = (os.totalmem() - os.freemem()) / 1024 / 1024;
-    var ramUsed = ramAfter - ramBefore;
-    console.log("Ram used : " + ramUsed + " MB");
-    si.mem(function(data){
-      console.log("Memory used : " + (data.used / 1024 / 1024 - memBefore) + " MB");
+function init_server (){
+  var port = 9030;
+  var ws = new Server({port: port});
+  ws.on('connection', function(w){
+    w.on('message', function(msg){
+      console.log(msg);
+      var ramAfter = (os.totalmem() - os.freemem()) / 1024 / 1024;
+      var ramUsed = ramAfter - ramBefore;
+      console.log("Ram used : " + ramUsed + " MB");
+      si.mem(function(data){
+        console.log("Memory used : " + (data.used / 1024 / 1024 - memBefore) + " MB");
+      });
+      browser.close();
+    });
+    w.on('close', function() {
+      ws.close();
     });
-    browser.close();
-  });
-  w.on('close', function() {
-    ws.close();
   });
-});
+}
 
 (async () => {
+  init_server();
   browser = await puppeteer.launch();
   page = await browser.newPage();
   ramBefore = (os.totalmem() - os.freemem()) / 1024 / 1024;

load_index_random.js

-var os = require('os');
-var randomstring = require("randomstring");
-var tmp = require('tmp');
-var fs = require('fs');
-var args = require("yargs")
+const os = require('os');
+const randomstring = require("randomstring");
+const tmp = require('tmp');
+const fs = require('fs');
+const puppeteer = require('puppeteer');
+const si = require("systeminformation");
+const Server = require('ws').Server;
+const args = require("yargs")
 .usage("Usage : load_index.js -saveAs metadata/attachment -p Number of random paragraphs to generate")
 .demandOption(['saveAs'])
 .demandOption(['paragraphs'])
@@ -14,14 +17,23 @@ var args = require("yargs")
 .nargs("paragraphs", 1)
 .argv;
 
-var gen_rdm_string = function (length){
+if (!(args.saveAs === "metadata" ||args.saveAs === "attachment")){
+  throw 'Unrecognized save as argument';
+}
+var saveAs = args.saveAs,
+browser,
+page,
+ramBefore,
+memBefore;
+
+function gen_rdm_string (length){
   return randomstring.generate({
     length: length,
     charset: 'alphabetic'
   });
 }
 
-var gen_rdm_sentence = function (word_count, word_length){
+function gen_rdm_sentence (word_count, word_length){
   var tmp_word_array = [];
   for (var i = 0; i<word_count; i+=1){
     tmp_word_array[i] = gen_rdm_string(word_length);
@@ -29,7 +41,7 @@ var gen_rdm_sentence = function (word_count, word_length){
   return tmp_word_array.join(" ");
 }
 
-var gen_rdm_paragraph = function (sentence_count, words_per_sentence, word_length){
+function gen_rdm_paragraph (sentence_count, words_per_sentence, word_length){
   var tmp_sentence_array = [];
   for (var i=0; i<sentence_count; i+=1){
     tmp_sentence_array[i] = gen_rdm_sentence(words_per_sentence, word_length);
@@ -37,54 +49,49 @@ var gen_rdm_paragraph = function (sentence_count, words_per_sentence, word_lengt
   return tmp_sentence_array.join(". ");
 }
 
-if (!(args.saveAs === "metadata" ||args.saveAs === "attachment")){
-  throw 'Unrecognized save as argument';
-}
-var saveAs = args.saveAs;
-
-const puppeteer = require('puppeteer');
-var browser, page, ramBefore, memBefore;
-
-const si = require("systeminformation");
-
-var Server = require('ws').Server;
-var port = 9030;
-var ws = new Server({port: port});
-ws.on('connection', function(w){
-  w.on('message', function(msg){
-    console.log(msg);
-    var ramAfter = (os.totalmem() - os.freemem()) / 1024 / 1024;
-    var ramUsed = ramAfter - ramBefore;
-    console.log("Ram used : " + ramUsed + " MB");
-    si.mem(function(data){
-      console.log("Memory used : " + (data.used / 1024 / 1024 - memBefore) + " MB");
+function init_server (){
+  var port = 9030;
+  var ws = new Server({port: port});
+  ws.on('connection', function(w){
+    w.on('message', function(msg){
+      console.log(msg);
+      var ramAfter = (os.totalmem() - os.freemem()) / 1024 / 1024;
+      var ramUsed = ramAfter - ramBefore;
+      console.log("Ram used : " + ramUsed + " MB");
+      si.mem(function(data){
+        console.log("Memory used : " + (data.used / 1024 / 1024 - memBefore) + " MB");
+      });
+      browser.close();
+    });
+    w.on('close', function() {
+      ws.close();
     });
-    browser.close();
-  });
-  w.on('close', function() {
-    ws.close();
-  });
-});
-
-(async () => {
-  browser = await puppeteer.launch();
-  page = await browser.newPage();
-  ramBefore = (os.totalmem() - os.freemem()) / 1024 / 1024;
-  si.mem(function(data){
-    memBefore = data.used / 1024 / 1024;
   });
+}
 
+function gen_random_content (){
   var tmp_para_array = [];
   for(var i=0; i<args.p; i+=1){
     tmp_para_array[i] = gen_rdm_paragraph(6, 15, 5);
   }
   var tmp_file = tmp.fileSync();
   fs.writeFileSync(tmp_file.name, tmp_para_array.join("\n"));
+  return tmp_file.name;
+}
 
+(async () => {
+  init_server();
+  var file_path = gen_random_content();
+  browser = await puppeteer.launch();
+  page = await browser.newPage();
+  ramBefore = (os.totalmem() - os.freemem()) / 1024 / 1024;
+  si.mem(function(data){
+    memBefore = data.used / 1024 / 1024;
+  });
   await page.goto('https://softinst115787.host.vifib.net/public/unit_tests/index_load.html?saveAs='+saveAs);
   const [fileChooser] = await Promise.all([
     page.waitForFileChooser(),
     page.click('input#load')
   ]);
-  await fileChooser.accept([tmp_file.name]);
+  await fileChooser.accept([file_path]);
 })();