Protractor memory leak test

protractor-sync_test.ts

import * as ab from 'asyncblock';
import * as fs from 'fs';
import { by } from 'protractor';
import * as profiler from 'v8-profiler';

import { browserSync, elementSync } from '../../app/vars';

new Array(5000).join().split(',').forEach((num, i) => {
  describe('1', () => {
    beforeAll(() => {
      ab(() => {
        browserSync.get('data:,');

        return browserSync.executeScript(() => {
          document.body.innerHTML = '<div class="testArea"><span></span></div>';
        });
      });
    });

    it('does a thing', () => {
      ab(() => {
        const element = elementSync.findElement(by.css('.testArea'));

        const span = element.findElement(by.css('span'));

        expect(element.getTagName()).toBe('div' as any);
        expect(span.getTagName()).toBe('span' as any);
      });
    });

    it('', () => {
      //console.log(process.memoryUsage());

      if (i % 100 === 0) {
        setImmediate(() => {
          global.gc();
          const snap = profiler.takeSnapshot('profile');
          saveHeapSnapshot(snap, '/Users/scriby/heaps');
        });
      }
    });
  });
});

function saveHeapSnapshot(snapshot: any, datadir: any) {
  let buffer = '';
  const stamp = Date.now();
  snapshot.serialize(
    function iterator(data: any, length: any) {
      buffer += data;
    }, function complete() {

      const name = stamp + '.heapsnapshot';
      fs.writeFile(datadir + '/' + name , buffer, () => {
        console.log('Heap snapshot written to ' + name);
      });
    }
  );
}

protractor_test.ts

import * as fs from 'fs';
import { browser, by } from 'protractor';
import * as profiler from 'v8-profiler';

new Array(5000).join().split(',').forEach((num, i) => {
  describe('1', () => {
    beforeAll(() => {
      browser.get('data:,');

      return browser.executeScript(() => {
        document.body.innerHTML = '<div class="testArea"><span></span></div>';
      });
    });

    it('does a thing', () => {
      const element = browser.findElement(by.css('.testArea'));

      const span = element.findElement(by.css('span'));

      expect(element.getTagName()).toBe('div' as any);
      expect(span.getTagName()).toBe('span' as any);
    });

    it('', () => {
      //console.log(process.memoryUsage());

      if (i % 100 === 0) {
        setImmediate(() => {
          global.gc();
          const snap = profiler.takeSnapshot('profile');
          saveHeapSnapshot(snap, '/Users/scriby/heaps');
        });
      }
    });
  });
});

function saveHeapSnapshot(snapshot: any, datadir: any) {
  let buffer = '';
  const stamp = Date.now();
  snapshot.serialize(
    function iterator(data: any, length: any) {
      buffer += data;
    }, function complete() {

      const name = stamp + '.heapsnapshot';
      fs.writeFile(datadir + '/' + name , buffer, () => {
        console.log('Heap snapshot written to ' + name);
      });
    }
  );
}