scale.js

const puppeteer = require('puppeteer');

const args = process.argv;

const env = args[2] || "local";
let webUrl = env === "local" ? 'http://localhost:9001/scale.html' : env;


(async () => {
    const browser = await puppeteer.launch({
        args: ['--use-fake-ui-for-media-stream'],
        //dumpio: true
    });

    const page = await browser.newPage();

    await page.evaluateOnNewDocument(function () {
        navigator.geolocation.getCurrentPosition = function (cb) {
            setTimeout(() => {
                cb({
                    'coords': {
                        accuracy: 21,
                        altitude: null,
                        altitudeAccuracy: null,
                        heading: null,
                        latitude: 23.129163,
                        longitude: 113.264435,
                        speed: null
                    }
                })
            }, 1000)
        }
    });

    await page.goto(webUrl);

    const btn = await page.$('#open-or-join');
    await btn.click();

    await page.waitFor(300000)

    await page.screenshot({path: 'example.png'});

    await browser.close();
})();
/*
const { Cluster } = require('puppeteer-cluster');

(async () => {
  const cluster = await Cluster.launch({
    concurrency: Cluster.CONCURRENCY_CONTEXT,
    maxConcurrency: 20,
    puppeteerOptions: {
    	args: [ '--use-fake-ui-for-media-stream' ],
	    dumpio: true
    }
  });

  await cluster.task(async ({ page, data: url }) => {
	await page.evaluateOnNewDocument(function() {
	  navigator.geolocation.getCurrentPosition = function (cb) {
	    setTimeout(() => {
	      cb({
	        'coords': {
	          accuracy: 21,
	          altitude: null,
	          altitudeAccuracy: null,
	          heading: null,
	          latitude: 23.129163,
	          longitude: 113.264435,
	          speed: null
	        }
	      })
	    }, 1000)
	  }
	});

	await page.goto(url);

	const btn = await page.$('#open-or-join');
	await btn.click();

	await page.waitFor(500000)

	await page.screenshot({path: 'example.png'});
  });

  const url =  webUrl;

  while(browsers-- >0) {
	  cluster.queue(url);
  }

  await cluster.idle();
  await cluster.close();
})();

/**

KITE, testRTC, Jattack, WebdriverIO, Pion, webdriverrtc, cypher, pupeteer, pupeteer cluster

**/