CasperJS Demo

casper.js

phantom.injectJs(phantom.casperPath + '\\bin\\bootstrap.js');

var casper = require('casper').create();

casper.start('http://localhost:1200/charts/ChartWrapperTest.htm', function() {
  // setup options here
  this.evaluate(function () {
    document.getElementById('chartType').value = 4;
  });
});

casper.then(function() {
  this.click('#drawButton');
  this.echo("CLICKED");
});

casper.waitFor(function check() {
  this.echo("HERE");
  return this.evaluate(function() {
    return window.chartObj.chartIsDrawn && window.imgReturned;
  });
}, function then() {
  this.echo("THEN");
  this.captureSelector('left_chart.png', '#chartHolder');
  this.captureSelector('right_chart.png', '#chartImgHolder');
}, function timeout() {
  this.echo("TIMEOUT"); 
}, 5000);

casper.run();