Created
August 29, 2014 01:16
Helper file for use with Casperjs
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//MOUSE | |
var | |
mouse = require("mouse").create(casper), | |
colorizer = require('colorizer').create('Colorizer'); | |
//Available color names are black, red, green, yellow, blue, magenta, cyan and white | |
//EVENTS | |
casper.on('remote.message', function(msg) { | |
this.echoRemote(msg); | |
}); | |
casper.on('remote.alert', function(msg) { | |
this.echo('Remote alert: ' + msg, 'ERROR'); | |
}); | |
casper.on('resource.received', function(resource) { | |
var status = resource.status; | |
if(status >= 400) { | |
casper.log('Resource ' + resource.url + ' failed to load (' + status + ')', 'error'); | |
resourceErrors.push({ | |
url: resource.url, | |
status: resource.status | |
}); | |
} | |
}); | |
//HELPER METHODS | |
casper.header = function(msg, type){ | |
type = type || 'INFO' | |
this.echo(msg, type); | |
this.echo(' '); | |
}; | |
casper.methodHeader = function(msg){ | |
this.echo(' '); | |
this.echo(msg, 'GREEN_BAR') | |
}; | |
casper.echoHTML = function(el) { | |
this.echo(this.getHTML(el, true)); | |
} | |
casper.echoObject = function(obj){ | |
var objString = 'Object: ' + this.getInfo(this.getVar(obj)); | |
this.colourEcho(objString, 'white', 'black', false); | |
}; | |
casper.echoRemote = function(msg) { | |
var remoteString = 'Remote: ' + msg; | |
this.colourEcho(remoteString, 'blue', 'cyan'); | |
}; | |
casper.colourEcho = function(obj, bgColour, fgColour, bold){ | |
bold = bold || true; | |
this.echo(colorizer.format(obj, { | |
bg: bgColour, | |
fg: fgColour, | |
bold: bold | |
})); | |
}; | |
casper.getVar = function(variable) { | |
return this.evaluate(function(v){ | |
return window[v]; | |
}, variable); | |
}; | |
casper.getElement = function(id) { | |
return this.evaluate(function(i){ | |
return document.querySelector(i); | |
}, id); | |
}; | |
casper.getElementStyle = function(id, prop) { | |
return this.evaluate(function(i, p){ | |
return document.querySelector(i).style[p]; | |
}, id, prop); | |
}; | |
casper.getElementAttr = function(id, attr) { | |
return this.evaluate(function(i, a){ | |
var e = document.querySelector(i); | |
return e.getAttribute(a); | |
}, id, attr); | |
}; | |
casper.hasStyleProp = function(id, prop) { | |
return this.evaluate(function(i, p){ | |
var | |
hasStyle = false, | |
el = document.querySelector(i), | |
style = document.defaultView.getComputedStyle(el, null).getPropertyValue(p); | |
if(style !== '' && style !== null) { | |
hasStyle = true; | |
} | |
return hasStyle; | |
}, id, prop); | |
}; | |
casper.getInfo = function(obj) { | |
return this.evaluate(function(o){ | |
return JSON.stringify(o); | |
}, obj); | |
}; | |
casper.getType = function(obj){ | |
var type; | |
if(obj.nodeName !== undefined) { | |
//element | |
type = (obj.nodeName); | |
} else { | |
//everything else | |
type = ({}).toString.call(obj).match(/\s([a-zA-Z]+)/)[1] | |
} | |
return type.toLowerCase(); | |
}; | |
casper.getHostURL = function(){ | |
return utils.decodeUrl(this.evaluate(function _evaluate() { | |
var docLoc = document.location; | |
return docLoc.protocol + "//" + docLoc.host + docLoc.pathname; | |
})); | |
}; |
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