html_regression.js

// Casper file which dumps a page (and recursively continues).

var utils = require('utils');
// https://github.com/ariya/phantomjs/wiki/API-Reference-FileSystem
var fs = require('fs');
var casper = require('casper').create({
    verbose: true,
    logLevel: 'error',
    pageSettings: {
        loadImages: false,
        loadPlugins: false,
    }
});

casper.start('http://127.0.0.1:8000/site/', function() {
    this.echo(this.getTitle());

    // pages to check
    var link_selector = 'a';
    var links_info = this.getElementsInfo(link_selector);

    var internal_links = [];
    for (var i = 0; i < links_info.length; i++) {
        internal_links.push(links_info[i].attributes.href);
    }
    utils.dump(internal_links);

    // whole doc dump for comparison
    var suffix = '.dump';
    var page_name = 'index';
    var current_dump = page_name + suffix;
    var previous_dump = current_dump + '.old';
    var dump = utils.serialize(this.getElementsInfo('html'));
    dump = dump.replace(/\\n/g, "\n");
    if (fs.exists(current_dump)) {
        if (fs.exists(previous_dump)) {
            fs.remove(previous_dump);
        }
        fs.move(current_dump, previous_dump);
        fs.write(current_dump, dump, 'w');
        // compare the files?
    } else {
        fs.write(current_dump, dump, 'w');
    }
});

casper.run();