Add benchmark

Author: CompuIves

sandbox-performance-benchmark.js

@@ -0,0 +1,35 @@
+const puppeteer = require('puppeteer');
+
+function pageLoaded(page) {
+  return new Promise(async resolve => {
+    await page.exposeFunction('__puppeteer__', () => {
+      if (resolve) {
+        resolve();
+      }
+    });
+  });
+}
+
+let browser = puppeteer.launch();
+const SANDBOX_ID = process.argv[2];
+const results = [];
+
+(async function() {
+  browser = await browser;
+  console.log('Testing speed of ' + SANDBOX_ID);
+
+  for (let i = 0; i < (process.argv[3] || 10); i++) {
+    const page = await browser.newPage();
+    const waitFunction = pageLoaded(page);
+
+    page.goto('http://localhost:3002/#' + SANDBOX_ID);
+    const a = Date.now();
+    await waitFunction;
+    const d = Date.now() - a;
+    results.push(d);
+    console.log('Run #' + i + ': ' + d);
+    page.close();
+  }
+
+  console.log('Results', results.reduce((p, n) => p + n, 0) / results.length);
+})();