Sample CasperJS test to check if a div identified by a class (".col-main") is present.

casper-test-check-homepage-div

/**
 * Test if a div with the class .col-main is present on homepage
 */
console.log('checking cli options');

var casper_cli = require("casper").create();
if(!casper_cli.cli.options.url){
    console.log("--url=domain.com missing");
    casper_cli.exit();
}

casper.test.begin('Looking at the homepage now', 1, function suite(test) {

    //load up the login page and make sure it loads properly
    casper.start("http://"+casper.cli.options.url+'/', function() {
        console.log("Loading "+casper.cli.options.url);
        test.assertExists('div.col-main','Main column is found');
    });

    casper.run(function() {
        test.done();
    });
});