stress testing for rsvg

rsvgtest.js

var gulp = require('gulp');
var rsvg = require('gulp-rsvg');
var through = require('through2');
var pot = gulp.pot;

var N = 110;
var C = 2;

gulp.task('st', function(cb) {
    var i = N;

    function doJob(c, cb) {
        var streams = [];

        while (c--) {
            var s = gulp.src('private/svg/*.svg')
                .pipe(rsvg())
                .pipe(through.obj(function(file, enc, cb) {
                    if (file.contents.length == 0 || file.stat.size == 0) {
                        console.error('Zero svg detected!', file.path)
                    }
                    cb(null, file);
                }));

            streams.push(s);
        }

        pot.eswait(streams, cb);
    }

    function runNext() {
        console.log('iteration', i);
        doJob(C, function() {
            if (i--) {
                runNext();
            } else {
                cb();
            }
        })
    }

    runNext();
});