Files
YellowLabTools/lib/tools/phantomasWrapper.js
T

109 lines
3.7 KiB
JavaScript

var async = require('async');
var Q = require('q');
var phantomas = require('phantomas');
var PhantomasWrapper = function() {
'use strict';
/**
* This is the phantomas launcher. It merges user chosen options into the default options
* Available options :
*
* - timeout : in seconds (default 60)
* - jsDeepAnalysis : should we inspect subrequests in the javascript execution tree?
*
*/
this.execute = function(data) {
var deferred = Q.defer();
var task = data.params;
var options = {
// Cusomizable options
timeout: task.options.timeout || 60,
'js-deep-analysis': task.options.jsDeepAnalysis || false,
// Mandatory
reporter: 'json:pretty',
'analyze-css': true,
'skip-modules': [
'blockDomains', // not needed
'domComplexity', // overriden
'domMutations', // not compatible with webkit
'domQueries', // overriden
'eventListeners', // overridden
'filmStrip', // not needed
'har', // not needed for the moment
'pageSource', // not needed
'screenshot', // not needed for the moment
'waitForSelector', // not needed
'windowPerformance' // overriden
].join(','),
'include-dirs': [
'phantomas_custom/core',
'phantomas_custom/modules'
].join(',')
};
// Output the command line for debugging purpose
console.log('If you want to reproduce the phantomas task only, copy the following command line:');
var optionsString = '';
for (var opt in options) {
optionsString += ' ' + '--' + opt + '=' + options[opt];
}
console.log('node node_modules/phantomas/bin/phantomas.js --url=' + task.url + optionsString + ' --verbose');
// Kill the application if nothing happens for 10 minutes
var killer = setTimeout(function() {
console.log('Killing the app because the test on ' + task.url + ' was launched 10 minutes ago');
// If in server mode, forever will restart the server
process.exit(1);
}, 600000);
// It's time to launch the test!!!
var triesNumber = 3;
async.retry(triesNumber, function(cb) {
phantomas(task.url, options, function(err, json, results) {
console.log('Returning from Phantomas');
// Adding some YellowLabTools errors here
if (json && json.metrics && !json.metrics.javascriptExecutionTree) {
err = 1001;
}
if (!err && (!json || !json.metrics)) {
err = 1002;
}
// Don't cancel test if it is a timeout and we've got some results
if (err === 252 && json) {
console.log('Timeout after ' + options.timeout + ' seconds. But it\'s not a problem, the test is valid.');
err = null;
}
if (err) {
console.log('Attempt failed. Error code ' + err);
}
cb(err, json);
});
}, function(err, json) {
clearTimeout(killer);
if (err) {
console.log('All ' + triesNumber + ' attemps failed for the test');
deferred.reject(err);
} else {
data.toolsResults.phantomas = json;
deferred.resolve(data);
}
});
return deferred.promise;
};
};
module.exports = new PhantomasWrapper();