class/class_backend/node_modules/mpath/bench.js

'use strict';

const mpath = require('./');
const Bench = require('benchmark');
require('child_process').exec('git log --pretty=format:\'%h\' -n 1', function(err, sha) {
  if (err) throw err;

  const fs = require('fs');
  const filename = __dirname + '/bench.out';
  const out = fs.createWriteStream(filename, { flags: 'a', encoding: 'utf8' });

  /**
   * test doc creator
   */

  function doc() {
    const o = { first: { second: { third: [3, { name: 'aaron' }, 9] } } };
    o.comments = [
      { name: 'one' },
      { name: 'two', _doc: { name: '2' } },
      { name: 'three',
        comments: [{}, { comments: [{ val: 'twoo' }] }],
        _doc: { name: '3', comments: [{}, { _doc: { comments: [{ val: 2 }] } }] } }
    ];
    o.name = 'jiro';
    o.array = [
      { o: { array: [{ x: { b: [4, 6, 8] } }, { y: 10 }] } },
      { o: { array: [{ x: { b: [1, 2, 3] } }, { x: { z: 10 } }, { x: { b: 'hi' } }] } },
      { o: { array: [{ x: { b: null } }, { x: { b: [null, 1] } }] } },
      { o: { array: [{ x: null }] } },
      { o: { array: [{ y: 3 }] } },
      { o: { array: [3, 0, null] } },
      { o: { name: 'ha' } }
    ];
    o.arr = [
      { arr: [{ a: { b: 47 } }, { a: { c: 48 } }, { d: 'yep' }] },
      { yep: true }
    ];
    return o;
  }

  const o = doc();

  const s = new Bench.Suite;
  s.add('mpath.get("first", obj)', function() {
    mpath.get('first', o);
  });
  s.add('mpath.get("first.second", obj)', function() {
    mpath.get('first.second', o);
  });
  s.add('mpath.get("first.second.third.1.name", obj)', function() {
    mpath.get('first.second.third.1.name', o);
  });
  s.add('mpath.get("comments", obj)', function() {
    mpath.get('comments', o);
  });
  s.add('mpath.get("comments.1", obj)', function() {
    mpath.get('comments.1', o);
  });
  s.add('mpath.get("comments.2.name", obj)', function() {
    mpath.get('comments.2.name', o);
  });
  s.add('mpath.get("comments.2.comments.1.comments.0.val", obj)', function() {
    mpath.get('comments.2.comments.1.comments.0.val', o);
  });
  s.add('mpath.get("comments.name", obj)', function() {
    mpath.get('comments.name', o);
  });

  s.add('mpath.set("first", obj, val)', function() {
    mpath.set('first', o, 1);
  });
  s.add('mpath.set("first.second", obj, val)', function() {
    mpath.set('first.second', o, 1);
  });
  s.add('mpath.set("first.second.third.1.name", obj, val)', function() {
    mpath.set('first.second.third.1.name', o, 1);
  });
  s.add('mpath.set("comments", obj, val)', function() {
    mpath.set('comments', o, 1);
  });
  s.add('mpath.set("comments.1", obj, val)', function() {
    mpath.set('comments.1', o, 1);
  });
  s.add('mpath.set("comments.2.name", obj, val)', function() {
    mpath.set('comments.2.name', o, 1);
  });
  s.add('mpath.set("comments.2.comments.1.comments.0.val", obj, val)', function() {
    mpath.set('comments.2.comments.1.comments.0.val', o, 1);
  });
  s.add('mpath.set("comments.name", obj, val)', function() {
    mpath.set('comments.name', o, 1);
  });

  s.on('start', function() {
    console.log('starting...');
    out.write('*' + sha + ': ' + String(new Date()) + '\n');
  });
  s.on('cycle', function(e) {
    const s = String(e.target);
    console.log(s);
    out.write(s + '\n');
  });
  s.on('complete', function() {
    console.log('done');
    out.end('');
  });
  s.run();
});