refs #26 - code modularization

@@ -25,1970 +25,17 @@
  * DEALINGS IN THE SOFTWARE.
  * DEALINGS IN THE SOFTWARE.
  *
  *
  */
  */
-(function(phantom) {
-    /**
-     * Main Casper object.
-     *
-     * @param  Object  options  Casper options
-     * @return Casper
-     */
-    phantom.Casper = function(options) {
-        var DEFAULT_DIE_MESSAGE = "Suite explicitely interrupted without any message given.";
-        var DEFAULT_USER_AGENT  = "Mozilla/5.0 (Windows NT 6.0) AppleWebKit/535.1 (KHTML, like Gecko) Chrome/13.0.782.112 Safari/535.1";
-        // init & checks
-        if (!(this instanceof arguments.callee)) {
-            return new Casper(options);
-        }
-        // default options
-        this.defaults = {
-            clientScripts:       [],
-            faultTolerant:       true,
-            logLevel:            "error",
-            httpStatusHandlers:  {},
-            onAlert:             null,
-            onDie:               null,
-            onError:             null,
-            onLoadError:         null,
-            onPageInitialized:   null,
-            onResourceReceived:  null,
-            onResourceRequested: null,
-            onStepComplete:      null,
-            onStepTimeout:       null,
-            onTimeout:           null,
-            page:                null,
-            pageSettings:        { userAgent: DEFAULT_USER_AGENT },
-            stepTimeout:         null,
-            timeout:             null,
-            verbose:             false
-        };
-        // privates
-        // local properties
-        this.checker = null;
-        this.colorizer = new phantom.Casper.Colorizer();
-        this.currentUrl = 'about:blank';
-        this.currentHTTPStatus = 200;
-        this.defaultWaitTimeout = 5000;
-        this.delayedExecution = false;
-        this.history = [];
-        this.loadInProgress = false;
-        this.logFormats = {};
-        this.logLevels = ["debug", "info", "warning", "error"];
-        this.logStyles = {
-            debug:   'INFO',
-            info:    'PARAMETER',
-            warning: 'COMMENT',
-            error:   'ERROR'
-        };
-        this.options = mergeObjects(this.defaults, options);
-        this.page = null;
-        this.requestUrl = 'about:blank';
-        this.result = {
-            log:    [],
-            status: "success",
-            time:   0
-        };
-        this.started = false;
-        this.step = 0;
-        this.steps = [];
-        this.test = new phantom.Casper.Tester(this);
-    };
-
-    /**
-     * Casper prototype
-     */
-    phantom.Casper.prototype = {
-        /**
-         * Go a step back in browser's history
-         *
-         * @return Casper
-         */
-        back: function() {
-            return this.then(function(self) {
-                self.evaluate(function() {
-                    history.back();
-                });
-            });
-        },
-
-        /**
-         * Encodes a resource using the base64 algorithm synchroneously using
-         * client-side XMLHttpRequest.
-         *
-         * NOTE: we cannot use window.btoa() for some strange reasons here.
-         *
-         * @param  String  url  The url to download
-         * @return string       Base64 encoded result
-         */
-        base64encode: function(url) {
-            return this.evaluate(function(url) {
-                return __utils__.getBase64(url);
-            }, { url: url });
-        },
-
-        /**
-         * Proxy method for WebPage#render. Adds a clipRect parameter for
-         * automatically set page clipRect setting values and sets it back once
-         * done. If the cliprect parameter is omitted, the full page viewport
-         * area will be rendered.
-         *
-         * @param  String  targetFile  A target filename
-         * @param  mixed   clipRect    An optional clipRect object (optional)
-         * @return Casper
-         */
-        capture: function(targetFile, clipRect) {
-            var previousClipRect;
-            if (clipRect) {
-                if (!isType(clipRect, "object")) {
-                    throw new Error("clipRect must be an Object instance.");
-                }
-                previousClipRect = this.page.clipRect;
-                this.page.clipRect = clipRect;
-                this.log('Capturing page to ' + targetFile + ' with clipRect' + JSON.stringify(clipRect), "debug");
-            } else {
-                this.log('Capturing page to ' + targetFile, "debug");
-            }
-            try {
-                this.page.render(targetFile);
-            } catch (e) {
-                this.log('Failed to capture screenshot as ' + targetFile + ': ' + e, "error");
-            }
-            if (previousClipRect) {
-                this.page.clipRect = previousClipRect;
-            }
-            return this;
-        },
-
-        /**
-         * Captures the page area containing the provided selector.
-         *
-         * @param  String  targetFile  Target destination file path.
-         * @param  String  selector    CSS3 selector
-         * @return Casper
-         */
-        captureSelector: function(targetFile, selector) {
-            return this.capture(targetFile, this.evaluate(function(selector) {
-                try {
-                    var clipRect = document.querySelector(selector).getBoundingClientRect();
-                    return {
-                        top:    clipRect.top,
-                        left:   clipRect.left,
-                        width:  clipRect.width,
-                        height: clipRect.height
-                    };
-                } catch (e) {
-                    __utils__.log("Unable to fetch bounds for element " + selector, "warning");
-                }
-            }, { selector: selector }));
-        },
-
-        /**
-         * Checks for any further navigation step to process.
-         *
-         * @param  Casper    self        A self reference
-         * @param  function  onComplete  An options callback to apply on completion
-         */
-        checkStep: function(self, onComplete) {
-            var step = self.steps[self.step];
-            if (!self.loadInProgress && isType(step, "function")) {
-                self.runStep(step);
-            }
-            if (!isType(step, "function") && !self.delayedExecution) {
-                self.result.time = new Date().getTime() - self.startTime;
-                self.log("Done " + self.steps.length + " steps in " + self.result.time + 'ms.', "info");
-                clearInterval(self.checker);
-                if (isType(onComplete, "function")) {
-                    try {
-                        onComplete.call(self, self);
-                    } catch (err) {
-                        self.log("could not complete final step: " + err, "error");
-                    }
-                } else {
-                    // default behavior is to exit phantom
-                    self.exit();
-                }
-            }
-        },
-
-        /**
-         * Emulates a click on the element from the provided selector, if
-         * possible. In case of success, `true` is returned.
-         *
-         * @param  String   selector        A DOM CSS3 compatible selector
-         * @param  Boolean  fallbackToHref  Whether to try to relocate to the value of any href attribute (default: true)
-         * @return Boolean
-         */
-        click: function(selector, fallbackToHref) {
-            fallbackToHref = isType(fallbackToHref, "undefined") ? true : !!fallbackToHref;
-            this.log("click on selector: " + selector, "debug");
-            return this.evaluate(function(selector, fallbackToHref) {
-                return __utils__.click(selector, fallbackToHref);
-            }, {
-                selector:       selector,
-                fallbackToHref: fallbackToHref
-            });
-        },
-
-        /**
-         * Creates a step definition.
-         *
-         * @param  Function  fn       The step function to call
-         * @param  Object    options  Step options
-         * @return Function  The final step function
-         */
-        createStep: function(fn, options) {
-            if (!isType(fn, "function")) {
-                throw "createStep(): a step definition must be a function";
-            }
-            fn.options = isType(options, "object") ? options : {};
-            return fn;
-        },
-
-        /**
-         * Logs the HTML code of the current page.
-         *
-         * @return Casper
-         */
-        debugHTML: function() {
-            this.echo(this.evaluate(function() {
-                return document.body.innerHTML;
-            }));
-            return this;
-        },
-
-        /**
-         * Logs the textual contents of the current page.
-         *
-         * @return Casper
-         */
-        debugPage: function() {
-            this.echo(this.evaluate(function() {
-                return document.body.innerText;
-            }));
-            return this;
-        },
-
-        /**
-         * Exit phantom on failure, with a logged error message.
-         *
-         * @param  String  message  An optional error message
-         * @param  Number  status   An optional exit status code (must be > 0)
-         * @return Casper
-         */
-        die: function(message, status) {
-            this.result.status = 'error';
-            this.result.time = new Date().getTime() - this.startTime;
-            message = isType(message, "string") && message.length > 0 ? message : DEFAULT_DIE_MESSAGE;
-            this.log(message, "error");
-            if (isType(this.options.onDie, "function")) {
-                this.options.onDie.call(this, this, message, status);
-            }
-            return this.exit(Number(status) > 0 ? Number(status) : 1);
-        },
-
-        /**
-         * Iterates over the values of a provided array and execute a callback
-         * for each item.
-         *
-         * @param  Array     array
-         * @param  Function  fn     Callback: function(self, item, index)
-         * @return Casper
-         */
-        each: function(array, fn) {
-            if (!isType(array, "array")) {
-                self.log("each() only works with arrays", "error");
-                return this;
-            }
-            (function(self) {
-                array.forEach(function(item, i) {
-                    fn(self, item, i);
-                });
-            })(this);
-            return this;
-        },
-
-        /**
-         * Prints something to stdout.
-         *
-         * @param  String  text  A string to echo to stdout
-         * @return Casper
-         */
-        echo: function(text, style) {
-            console.log(style ? this.colorizer.colorize(text, style) : text);
-            return this;
-        },
-
-        /**
-         * Evaluates an expression in the page context, a bit like what
-         * WebPage#evaluate does, but the passed function can also accept
-         * parameters if a context Object is also passed:
-         *
-         *     casper.evaluate(function(username, password) {
-         *         document.querySelector('#username').value = username;
-         *         document.querySelector('#password').value = password;
-         *         document.querySelector('#submit').click();
-         *     }, {
-         *         username: 'Bazoonga',
-         *         password: 'baz00nga'
-         *     })
-         *
-         * FIXME: waiting for a patch of PhantomJS to allow direct passing of
-         * arguments to the function.
-         * TODO: don't forget to keep this backward compatible.
-         *
-         * @param  Function  fn       The function to be evaluated within current page DOM
-         * @param  Object    context  Object containing the parameters to inject into the function
-         * @return mixed
-         * @see    WebPage#evaluate
-         */
-        evaluate: function(fn, context) {
-            context = isType(context, "object") ? context : {};
-            var newFn = new phantom.Casper.FunctionArgsInjector(fn).process(context);
-            return this.page.evaluate(newFn);
-        },
-
-        /**
-         * Evaluates an expression within the current page DOM and die() if it
-         * returns false.
-         *
-         * @param  function  fn       The expression to evaluate
-         * @param  String    message  The error message to log
-         * @return Casper
-         */
-        evaluateOrDie: function(fn, message) {
-            if (!this.evaluate(fn)) {
-                return this.die(message);
-            }
-            return this;
-        },
-
-        /**
-         * Checks if an element matching the provided CSS3 selector exists in
-         * current page DOM.
-         *
-         * @param  String  selector  A CSS3 selector
-         * @return Boolean
-         */
-        exists: function(selector) {
-            return this.evaluate(function(selector) {
-                return __utils__.exists(selector);
-            }, { selector: selector });
-        },
-
-        /**
-         * Checks if an element matching the provided CSS3 selector is visible
-         * current page DOM by checking that offsetWidth and offsetHeight are
-         * both non-zero.
-         *
-         * @param  String  selector  A CSS3 selector
-         * @return Boolean
-         */
-        visible: function(selector) {
-            return this.evaluate(function(selector) {
-                return __utils__.visible(selector);
-            }, { selector: selector });
-        },
-
-        /**
-         * Exits phantom.
-         *
-         * @param  Number  status  Status
-         * @return Casper
-         */
-        exit: function(status) {
-            phantom.exit(status);
-            return this;
-        },
-
-        /**
-         * Fetches innerText within the element(s) matching a given CSS3
-         * selector.
-         *
-         * @param  String  selector  A CSS3 selector
-         * @return String
-         */
-        fetchText: function(selector) {
-            return this.evaluate(function(selector) {
-                return __utils__.fetchText(selector);
-            }, { selector: selector });
-        },
-
-        /**
-         * Fills a form with provided field values.
-         *
-         * @param  String  selector  A CSS3 selector to the target form to fill
-         * @param  Object  vals      Field values
-         * @param  Boolean submit    Submit the form?
-         */
-        fill: function(selector, vals, submit) {
-            submit = submit === true ? submit : false;
-            if (!isType(selector, "string") || !selector.length) {
-                throw "form selector must be a non-empty string";
-            }
-            if (!isType(vals, "object")) {
-                throw "form values must be provided as an object";
-            }
-            var fillResults = this.evaluate(function(selector, values) {
-               return __utils__.fill(selector, values);
-            }, {
-                selector: selector,
-                values:   vals
-            });
-            if (!fillResults) {
-                throw "unable to fill form";
-            } else if (fillResults.errors.length > 0) {
-                (function(self){
-                    fillResults.errors.forEach(function(error) {
-                        self.log("form error: " + error, "error");
-                    });
-                })(this);
-                if (submit) {
-                    this.log("errors encountered while filling form; submission aborted", "warning");
-                    submit = false;
-                }
-            }
-            // File uploads
-            if (fillResults.files && fillResults.files.length > 0) {
-                (function(self) {
-                    fillResults.files.forEach(function(file) {
-                        var fileFieldSelector = [selector, 'input[name="' + file.name + '"]'].join(' ');
-                        self.page.uploadFile(fileFieldSelector, file.path);
-                    });
-                })(this);
-            }
-            // Form submission?
-            if (submit) {
-                this.evaluate(function(selector) {
-                    var form = document.querySelector(selector);
-                    var method = form.getAttribute('method').toUpperCase() || "GET";
-                    var action = form.getAttribute('action') || "unknown";
-                    __utils__.log('submitting form to ' + action + ', HTTP ' + method, 'info');
-                    form.submit();
-                }, { selector: selector });
-            }
-        },
-
-        /**
-         * Go a step forward in browser's history
-         *
-         * @return Casper
-         */
-        forward: function(then) {
-            return this.then(function(self) {
-                self.evaluate(function() {
-                    history.forward();
-                });
-            });
-        },
-
-        /**
-         * Retrieves current document url.
-         *
-         * @return String
-         */
-        getCurrentUrl: function() {
-            return decodeURIComponent(this.evaluate(function() {
-                return document.location.href;
-            }));
-        },
-
-        /**
-         * Retrieves global variable.
-         *
-         * @param  String  name  The name of the global variable to retrieve
-         * @return mixed
-         */
-        getGlobal: function(name) {
-            var result = this.evaluate(function(name) {
-                var result = {};
-                try {
-                    result.value = JSON.stringify(window[name]);
-                } catch (e) {
-                    result.error = 'Unable to JSON encode window.' + name + ': ' + e;
-                }
-                return result;
-            }, {'name': name});
-            if (result.error) {
-                throw result.error;
-            } else {
-                return JSON.parse(result.value);
-            }
-        },
-
-        /**
-         * Retrieves current page title, if any.
-         *
-         * @return String
-         */
-        getTitle: function() {
-            return this.evaluate(function() {
-                return document.title;
-            });
-        },
-
-        /**
-         * Logs a message.
-         *
-         * @param  String  message  The message to log
-         * @param  String  level    The log message level (from Casper.logLevels property)
-         * @param  String  space    Space from where the logged event occured (default: "phantom")
-         * @return Casper
-         */
-        log: function(message, level, space) {
-            level = level && this.logLevels.indexOf(level) > -1 ? level : "debug";
-            space = space ? space : "phantom";
-            if (level === "error" && isType(this.options.onError, "function")) {
-                this.options.onError.call(this, this, message, space);
-            }
-            if (this.logLevels.indexOf(level) < this.logLevels.indexOf(this.options.logLevel)) {
-                return this; // skip logging
-            }
-            var entry = {
-                level:   level,
-                space:   space,
-                message: message,
-                date:    new Date().toString()
-            };
-            if (level in this.logFormats && isType(this.logFormats[level], "function")) {
-                message = this.logFormats[level](message, level, space);
-            } else {
-                var levelStr = this.colorizer.colorize('[' + level + ']', this.logStyles[level]);
-                message = levelStr + ' [' + space + '] ' + message;
-            }
-            if (this.options.verbose) {
-                this.echo(message); // direct output
-            }
-            this.result.log.push(entry);
-            return this;
-        },
-
-        /**
-         * Opens a page. Takes only one argument, the url to open (using the
-         * callback argument would defeat the whole purpose of Casper
-         * actually).
-         *
-         * @param  String  location  The url to open
-         * @return Casper
-         */
-        open: function(location, options) {
-            options = isType(options, "object") ? options : {};
-            this.requestUrl = location;
-            this.page.open(location);
-            return this;
-        },
-
-        /**
-         * Repeats a step a given number of times.
-         *
-         * @param  Number    times  Number of times to repeat step
-         * @aram   function  then   The step closure
-         * @return Casper
-         * @see    Casper#then
-         */
-        repeat: function(times, then) {
-            for (var i = 0; i < times; i++) {
-                this.then(then);
-            }
-            return this;
-        },
-
-        /**
-         * Runs the whole suite of steps.
-         *
-         * @param  function  onComplete  an optional callback
-         * @param  Number    time        an optional amount of milliseconds for interval checking
-         * @return Casper
-         */
-        run: function(onComplete, time) {
-            if (!this.steps || this.steps.length < 1) {
-                this.log("No steps defined, aborting", "error");
-                return this;
-            }
-            this.log("Running suite: " + this.steps.length + " step" + (this.steps.length > 1 ? "s" : ""), "info");
-            this.checker = setInterval(this.checkStep, (time ? time: 250), this, onComplete);
-            return this;
-        },
-
-        /**
-         * Runs a step.
-         *
-         * @param  Function  step
-         */
-        runStep: function(step) {
-            var skipLog = isType(step.options, "object") && step.options.skipLog === true;
-            var stepInfo = "Step " + (this.step + 1) + "/" + this.steps.length;
-            var stepResult;
-            if (!skipLog) {
-                this.log(stepInfo + ' ' + this.getCurrentUrl() + ' (HTTP ' + this.currentHTTPStatus + ')', "info");
-            }
-            if (isType(this.options.stepTimeout, "number") && this.options.stepTimeout > 0) {
-                var stepTimeoutCheckInterval = setInterval(function(self, start, stepNum) {
-                    if (new Date().getTime() - start > self.options.stepTimeout) {
-                        if (self.step == stepNum + 1) {
-                            if (isType(self.options.onStepTimeout, "function")) {
-                                self.options.onStepTimeout.call(self, self);
-                            } else {
-                                self.die("Maximum step execution timeout exceeded for step " + stepNum, "error");
-                            }
-                        }
-                        clearInterval(stepTimeoutCheckInterval);
-                    }
-                }, this.options.stepTimeout, this, new Date().getTime(), this.step);
-            }
-            try {
-                stepResult = step.call(this, this);
-            } catch (e) {
-                if (this.options.faultTolerant) {
-                    this.log("Step error: " + e, "error");
-                } else {
-                    throw e;
-                }
-            }
-            if (isType(this.options.onStepComplete, "function")) {
-                this.options.onStepComplete.call(this, this, stepResult);
-            }
-            if (!skipLog) {
-                this.log(stepInfo + ": done in " + (new Date().getTime() - this.startTime) + "ms.", "info");
-            }
-            this.step++;
-        },
-
-        /**
-         * Configures and starts Casper.
-         *
-         * @param  String   location  An optional location to open on start
-         * @param  function then      Next step function to execute on page loaded (optional)
-         * @return Casper
-         */
-        start: function(location, then) {
-            if (this.started) {
-                this.log("start failed: Casper has already started!", "error");
-            }
-            this.log('Starting...', "info");
-            this.startTime = new Date().getTime();
-            this.steps = [];
-            this.step = 0;
-            // Option checks
-            if (this.logLevels.indexOf(this.options.logLevel) < 0) {
-                this.log("Unknown log level '" + this.options.logLevel + "', defaulting to 'warning'", "warning");
-                this.options.logLevel = "warning";
-            }
-            // WebPage
-            if (!isWebPage(this.page)) {
-                if (isWebPage(this.options.page)) {
-                    this.page = this.options.page;
-                } else {
-                    this.page = createPage(this);
-                }
-            }
-            this.page.settings = mergeObjects(this.page.settings, this.options.pageSettings);
-            if (isType(this.options.clipRect, "object")) {
-                this.page.clipRect = this.options.clipRect;
-            }
-            if (isType(this.options.viewportSize, "object")) {
-                this.page.viewportSize = this.options.viewportSize;
-            }
-            this.started = true;
-            if (isType(this.options.timeout, "number") && this.options.timeout > 0) {
-                this.log("Execution timeout set to " + this.options.timeout + 'ms', "info");
-                setTimeout(function(self) {
-                    if (isType(self.options.onTimeout, "function")) {
-                        self.options.onTimeout.call(self, self);
-                    } else {
-                        self.die("Timeout of " + self.options.timeout + "ms exceeded, exiting.");
-                    }
-                }, this.options.timeout, this);
-            }
-            if (isType(this.options.onPageInitialized, "function")) {
-                this.log("Post-configuring WebPage instance", "debug");
-                this.options.onPageInitialized.call(this, this.page);
-            }
-            if (isType(location, "string") && location.length > 0) {
-                return this.thenOpen(location, isType(then, "function") ? then : this.createStep(function(self) {
-                    self.log("start page is loaded", "debug");
-                }));
-            }
-            return this;
-        },
-
-        /**
-         * Schedules the next step in the navigation process.
-         *
-         * @param  function  step  A function to be called as a step
-         * @return Casper
-         */
-        then: function(step) {
-            if (!this.started) {
-                throw "Casper not started; please use Casper#start";
-            }
-            if (!isType(step, "function")) {
-                throw "You can only define a step as a function";
-            }
-            this.steps.push(step);
-            return this;
-        },
-
-        /**
-         * Adds a new navigation step for clicking on a provided link selector
-         * and execute an optional next step.
-         *
-         * @param  String   selector        A DOM CSS3 compatible selector
-         * @param  Function then            Next step function to execute on page loaded (optional)
-         * @param  Boolean  fallbackToHref  Whether to try to relocate to the value of any href attribute (default: true)
-         * @return Casper
-         * @see    Casper#click
-         * @see    Casper#then
-         */
-        thenClick: function(selector, then, fallbackToHref) {
-            this.then(function(self) {
-                self.click(selector, fallbackToHref);
-            });
-            return isType(then, "function") ? this.then(then) : this;
-        },
-
-        /**
-         * Adds a new navigation step to perform code evaluation within the
-         * current retrieved page DOM.
-         *
-         * @param  function  fn       The function to be evaluated within current page DOM
-         * @param  object    context  Optional function parameters context
-         * @return Casper
-         * @see    Casper#evaluate
-         */
-        thenEvaluate: function(fn, context) {
-            return this.then(function(self) {
-                self.evaluate(fn, context);
-            });
-        },
-
-        /**
-         * Adds a new navigation step for opening the provided location.
-         *
-         * @param  String   location  The URL to load
-         * @param  function then      Next step function to execute on page loaded (optional)
-         * @return Casper
-         * @see    Casper#open
-         */
-        thenOpen: function(location, then) {
-            this.then(this.createStep(function(self) {
-                self.open(location);
-            }, {
-                skipLog: true
-            }));
-            return isType(then, "function") ? this.then(then) : this;
-        },
-
-        /**
-         * Adds a new navigation step for opening and evaluate an expression
-         * against the DOM retrieved from the provided location.
-         *
-         * @param  String    location  The url to open
-         * @param  function  fn        The function to be evaluated within current page DOM
-         * @param  object    context   Optional function parameters context
-         * @return Casper
-         * @see    Casper#evaluate
-         * @see    Casper#open
-         */
-        thenOpenAndEvaluate: function(location, fn, context) {
-            return this.thenOpen(location).thenEvaluate(fn, context);
-        },
-
-        /**
-         * Changes the current viewport size.
-         *
-         * @param  Number  width   The viewport width, in pixels
-         * @param  Number  height  The viewport height, in pixels
-         * @return Casper
-         */
-        viewport: function(width, height) {
-            if (!isType(width, "number") || !isType(height, "number") || width <= 0 || height <= 0) {
-                throw new Error("Invalid viewport width/height set: " + width + 'x' + height);
-            }
-            this.page.viewportSize = {
-                width: width,
-                height: height
-            };
-            return this;
-        },
-
-        /**
-         * Adds a new step that will wait for a given amount of time (expressed
-         * in milliseconds) before processing an optional next one.
-         *
-         * @param  Number    timeout  The max amount of time to wait, in milliseconds
-         * @param  Function  then     Next step to process (optional)
-         * @return Casper
-         */
-        wait: function(timeout, then) {
-            timeout = Number(timeout, 10);
-            if (!isType(timeout, "number") || timeout < 1) {
-                this.die("wait() only accepts a positive integer > 0 as a timeout value");
-            }
-            if (then && !isType(then, "function")) {
-                this.die("wait() a step definition must be a function");
-            }
-            return this.then(function(self) {
-                self.delayedExecution = true;
-                var start = new Date().getTime();
-                var interval = setInterval(function(self, then) {
-                    if (new Date().getTime() - start > timeout) {
-                        self.delayedExecution = false;
-                        self.log("wait() finished wating for " + timeout + "ms.", "info");
-                        if (then) {
-                            self.then(then);
-                        }
-                        clearInterval(interval);
-                    }
-                }, 100, self, then);
-            });
-        },
-
-        /**
-         * Waits until a function returns true to process a next step.
-         *
-         * @param  Function  testFx     A function to be evaluated for returning condition satisfecit
-         * @param  Function  then       The next step to perform (optional)
-         * @param  Function  onTimeout  A callback function to call on timeout (optional)
-         * @param  Number    timeout    The max amount of time to wait, in milliseconds (optional)
-         * @return Casper
-         */
-        waitFor: function(testFx, then, onTimeout, timeout) {
-            timeout = timeout ? timeout : this.defaultWaitTimeout;
-            if (!isType(testFx, "function")) {
-                this.die("waitFor() needs a test function");
-            }
-            if (then && !isType(then, "function")) {
-                this.die("waitFor() next step definition must be a function");
-            }
-            this.delayedExecution = true;
-            var start = new Date().getTime();
-            var condition = false;
-            var interval = setInterval(function(self, testFx, onTimeout) {
-                if ((new Date().getTime() - start < timeout) && !condition) {
-                    condition = testFx(self);
-                } else {
-                    self.delayedExecution = false;
-                    if (!condition) {
-                        self.log("Casper.waitFor() timeout", "warning");
-                        if (isType(onTimeout, "function")) {
-                            onTimeout.call(self, self);
-                        } else {
-                            self.die("Expired timeout, exiting.", "error");
-                        }
-                        clearInterval(interval);
-                    } else {
-                        self.log("waitFor() finished in " + (new Date().getTime() - start) + "ms.", "info");
-                        if (then) {
-                            self.then(then);
-                        }
-                        clearInterval(interval);
-                    }
-                }
-            }, 100, this, testFx, onTimeout);
-            return this;
-        },
-
-        /**
-         * Waits until an element matching the provided CSS3 selector exists in
-         * remote DOM to process a next step.
-         *
-         * @param  String    selector   A CSS3 selector
-         * @param  Function  then       The next step to perform (optional)
-         * @param  Function  onTimeout  A callback function to call on timeout (optional)
-         * @param  Number    timeout    The max amount of time to wait, in milliseconds (optional)
-         * @return Casper
-         */
-        waitForSelector: function(selector, then, onTimeout, timeout) {
-            timeout = timeout ? timeout : this.defaultWaitTimeout;
-            return this.waitFor(function(self) {
-                return self.exists(selector);
-            }, then, onTimeout, timeout);
-        },
-
-        /**
-         * Waits until an element matching the provided CSS3 selector does not
-         * exist in the remote DOM to process a next step.
-         *
-         * @param  String    selector   A CSS3 selector
-         * @param  Function  then       The next step to perform (optional)
-         * @param  Function  onTimeout  A callback function to call on timeout (optional)
-         * @param  Number    timeout    The max amount of time to wait, in milliseconds (optional)
-         * @return Casper
-         */
-        waitWhileSelector: function(selector, then, onTimeout, timeout) {
-            timeout = timeout ? timeout : this.defaultWaitTimeout;
-            return this.waitFor(function(self) {
-                return !self.exists(selector);
-            }, then, onTimeout, timeout);
-        },
-
-        /**
-         * Waits until an element matching the provided CSS3 selector is
-         * visible in the remote DOM to process a next step.
-         *
-         * @param  String    selector   A CSS3 selector
-         * @param  Function  then       The next step to perform (optional)
-         * @param  Function  onTimeout  A callback function to call on timeout (optional)
-         * @param  Number    timeout    The max amount of time to wait, in milliseconds (optional)
-         * @return Casper
-         */
-        waitUntilVisible: function(selector, then, onTimeout, timeout) {
-            timeout = timeout ? timeout : this.defaultWaitTimeout;
-            return this.waitFor(function(self) {
-                return self.visible(selector);
-            }, then, onTimeout, timeout);
-        },
-
-        /**
-         * Waits until an element matching the provided CSS3 selector is no
-         * longer visible in remote DOM to process a next step.
-         *
-         * @param  String    selector   A CSS3 selector
-         * @param  Function  then       The next step to perform (optional)
-         * @param  Function  onTimeout  A callback function to call on timeout (optional)
-         * @param  Number    timeout    The max amount of time to wait, in milliseconds (optional)
-         * @return Casper
-         */
-        waitWhileVisible: function(selector, then, onTimeout, timeout) {
-            timeout = timeout ? timeout : this.defaultWaitTimeout;
-            return this.waitFor(function(self) {
-                return !self.visible(selector);
-            }, then, onTimeout, timeout);
-        }
-    };
-
-    /**
-     * Extends Casper's prototype with provided one.
-     *
-     * @param  Object  proto  Prototype methods to add to Casper
-     */
-    phantom.Casper.extend = function(proto) {
-        if (!isType(proto, "object")) {
-            throw "extends() only accept objects as prototypes";
-        }
-        mergeObjects(phantom.Casper.prototype, proto);
-    };
-
-    /**
-     * Casper client-side helpers.
-     */
-    phantom.Casper.ClientUtils = function() {
-        /**
-         * Clicks on the DOM element behind the provided selector.
-         *
-         * @param  String  selector        A CSS3 selector to the element to click
-         * @param  Boolean fallbackToHref  Whether to try to relocate to the value of any href attribute (default: true)
-         * @return Boolean
-         */
-        this.click = function(selector, fallbackToHref) {
-            fallbackToHref = typeof fallbackToHref === "undefined" ? true : !!fallbackToHref;
-            var elem = this.findOne(selector);
-            if (!elem) {
-                return false;
-            }
-            var evt = document.createEvent("MouseEvents");
-            evt.initMouseEvent("click", true, true, window, 1, 1, 1, 1, 1, false, false, false, false, 0, elem);
-            if (elem.dispatchEvent(evt)) {
-                return true;
-            }
-            if (fallbackToHref && elem.hasAttribute('href')) {
-                document.location = elem.getAttribute('href');
-                return true;
-            }
-            return false;
-        };
-
-        /**
-         * Base64 encodes a string, even binary ones. Succeeds where
-         * window.btoa() fails.
-         *
-         * @param  String  str
-         * @return string
-         */
-        this.encode = function(str) {
-            var CHARS = "ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789+/";
-            var out = "", i = 0, len = str.length, c1, c2, c3;
-            while (i < len) {
-                c1 = str.charCodeAt(i++) & 0xff;
-                if (i == len) {
-                    out += CHARS.charAt(c1 >> 2);
-                    out += CHARS.charAt((c1 & 0x3) << 4);
-                    out += "==";
-                    break;
-                }
-                c2 = str.charCodeAt(i++);
-                if (i == len) {
-                    out += CHARS.charAt(c1 >> 2);
-                    out += CHARS.charAt(((c1 & 0x3)<< 4) | ((c2 & 0xF0) >> 4));
-                    out += CHARS.charAt((c2 & 0xF) << 2);
-                    out += "=";
-                    break;
-                }
-                c3 = str.charCodeAt(i++);
-                out += CHARS.charAt(c1 >> 2);
-                out += CHARS.charAt(((c1 & 0x3) << 4) | ((c2 & 0xF0) >> 4));
-                out += CHARS.charAt(((c2 & 0xF) << 2) | ((c3 & 0xC0) >> 6));
-                out += CHARS.charAt(c3 & 0x3F);
-            }
-            return out;
-        };
-
-        /**
-         * Checks if a given DOM element exists in remote page.
-         *
-         * @param  String  selector  CSS3 selector
-         * @return Boolean
-         */
-        this.exists = function(selector) {
-            try {
-                return document.querySelectorAll(selector).length > 0;
-            } catch (e) {
-                return false;
-            }
-        };
-
-        /**
-         * Checks if a given DOM element is visible in remote page.
-         *
-         * @param  String  selector  CSS3 selector
-         * @return Boolean
-         */
-        this.visible = function(selector) {
-            try {
-                var el = document.querySelector(selector);
-                return el && el.style.visibility !== 'hidden' && el.offsetHeight > 0 && el.offsetWidth > 0;
-            } catch (e) {
-                return false;
-            }
-        };
-
-        /**
-         * Fetches innerText within the element(s) matching a given CSS3
-         * selector.
-         *
-         * @param  String  selector  A CSS3 selector
-         * @return String
-         */
-        this.fetchText = function(selector) {
-            var text = '', elements = this.findAll(selector);
-            if (elements && elements.length) {
-                Array.prototype.forEach.call(elements, function(element) {
-                    text += element.innerText;
-                });
-            }
-            return text;
-        };
-
-        /**
-         * Fills a form with provided field values, and optionnaly submits it.
-         *
-         * @param  HTMLElement|String  form    A form element, or a CSS3 selector to a form element
-         * @param  Object              vals    Field values
-         * @return Object                      An object containing setting result for each field, including file uploads
-         */
-        this.fill = function(form, vals) {
-            var out = {
-                errors: [],
-                fields: [],
-                files:  []
-            };
-            if (!(form instanceof HTMLElement) || typeof form === "string") {
-                __utils__.log("attempting to fetch form element from selector: '" + form + "'", "info");
-                try {
-                    form = document.querySelector(form);
-                } catch (e) {
-                    if (e.name === "SYNTAX_ERR") {
-                        out.errors.push("invalid form selector provided: '" + form + "'");
-                        return out;
-                    }
-                }
-            }
-            if (!form) {
-                out.errors.push("form not found");
-                return out;
-            }
-            for (var name in vals) {
-                if (!vals.hasOwnProperty(name)) {
-                    continue;
-                }
-                var field = form.querySelectorAll('[name="' + name + '"]');
-                var value = vals[name];
-                if (!field) {
-                    out.errors.push('no field named "' + name + '" in form');
-                    continue;
-                }
-                try {
-                    out.fields[name] = this.setField(field, value);
-                } catch (err) {
-                    if (err.name === "FileUploadError") {
-                        out.files.push({
-                            name: name,
-                            path: err.path
-                        });
-                    } else {
-                        this.log(err, "error");
-                        throw err;
-                    }
-                }
-            }
-            return out;
-        };
-
-        /**
-         * Finds all DOM elements matching by the provided selector.
-         *
-         * @param  String  selector  CSS3 selector
-         * @return NodeList|undefined
-         */
-        this.findAll = function(selector) {
-            try {
-                return document.querySelectorAll(selector);
-            } catch (e) {
-                this.log('findAll(): invalid selector provided "' + selector + '":' + e, "error");
-            }
-        };
-
-        /**
-         * Finds a DOM element by the provided selector.
-         *
-         * @param  String  selector  CSS3 selector
-         * @return HTMLElement|undefined
-         */
-        this.findOne = function(selector) {
-            try {
-                return document.querySelector(selector);
-            } catch (e) {
-                this.log('findOne(): invalid selector provided "' + selector + '":' + e, "errors");
-            }
-        };
-
-        /**
-         * Downloads a resource behind an url and returns its base64-encoded
-         * contents.
-         *
-         * @param  String  url  The resource url
-         * @return String       Base64 contents string
-         */
-        this.getBase64 = function(url) {
-            return this.encode(this.getBinary(url));
-        };
-
-        /**
-         * Retrieves string contents from a binary file behind an url. Silently
-         * fails but log errors.
-         *
-         * @param  String  url
-         * @return string
-         */
-        this.getBinary = function(url) {
-            try {
-                var xhr = new XMLHttpRequest();
-                xhr.open("GET", url, false);
-                xhr.overrideMimeType("text/plain; charset=x-user-defined");
-                xhr.send(null);
-                return xhr.responseText;
-            } catch (e) {
-                if (e.name === "NETWORK_ERR" && e.code === 101) {
-                    this.log("unfortunately, casperjs cannot make cross domain ajax requests", "warning");
-                }
-                this.log("error while fetching " + url + ": " + e, "error");
-                return "";
-            }
-        };
-
-        /**
-         * Logs a message.
-         *
-         * @param  String  message
-         * @param  String  level
-         */
-        this.log = function(message, level) {
-            console.log("[casper:" + (level || "debug") + "] " + message);
-        };
-
-        /**
-         * Sets a field (or a set of fields) value. Fails silently, but log
-         * error messages.
-         *
-         * @param  HTMLElement|NodeList  field  One or more element defining a field
-         * @param  mixed                 value  The field value to set
-         */
-        this.setField = function(field, value) {
-            var fields, out;
-            value = value || "";
-            if (field instanceof NodeList) {
-                fields = field;
-                field = fields[0];
-            }
-            if (!field instanceof HTMLElement) {
-                this.log("invalid field type; only HTMLElement and NodeList are supported", "error");
-            }
-            this.log('set "' + field.getAttribute('name') + '" field value to ' + value, "debug");
-            try {
-                field.focus();
-            } catch (e) {
-                __utils__.log("Unable to focus() input field " + field.getAttribute('name') + ": " + e, "warning");
-            }
-            var nodeName = field.nodeName.toLowerCase();
-            switch (nodeName) {
-                case "input":
-                    var type = field.getAttribute('type') || "text";
-                    switch (type.toLowerCase()) {
-                        case "color":
-                        case "date":
-                        case "datetime":
-                        case "datetime-local":
-                        case "email":
-                        case "hidden":
-                        case "month":
-                        case "number":
-                        case "password":
-                        case "range":
-                        case "search":
-                        case "tel":
-                        case "text":
-                        case "time":
-                        case "url":
-                        case "week":
-                            field.value = value;
-                            break;
-                        case "checkbox":
-                            if (fields.length > 1) {
-                                var values = value;
-                                if (!Array.isArray(values)) {
-                                    values = [values];
-                                }
-                                Array.prototype.forEach.call(fields, function(f) {
-                                    f.checked = values.indexOf(f.value) !== -1 ? true : false;
-                                });
-                            } else {
-                                field.checked = value ? true : false;
-                            }
-                            break;
-                        case "file":
-                            throw {
-                                name:    "FileUploadError",
-                                message: "file field must be filled using page.uploadFile",
-                                path:    value
-                            };
-                        case "radio":
-                            if (fields) {
-                                Array.prototype.forEach.call(fields, function(e) {
-                                    e.checked = (e.value === value);
-                                });
-                            } else {
-                                out = 'provided radio elements are empty';
-                            }
-                            break;
-                        default:
-                            out = "unsupported input field type: " + type;
-                            break;
-                    }
-                    break;
-                case "select":
-                case "textarea":
-                    field.value = value;
-                    break;
-                default:
-                    out = 'unsupported field type: ' + nodeName;
-                    break;
-            }
-            try {
-                field.blur();
-            } catch (err) {
-                __utils__.log("Unable to blur() input field " + field.getAttribute('name') + ": " + err, "warning");
-            }
-            return out;
-        };
-    };
-
-    /**
-     * This is a port of lime colorizer.
-     * http://trac.symfony-project.org/browser/tools/lime/trunk/lib/lime.php)
-     *
-     * (c) Fabien Potencier, Symfony project, MIT license
-     */
-    phantom.Casper.Colorizer = function() {
-        var options    = { bold: 1, underscore: 4, blink: 5, reverse: 7, conceal: 8 };
-        var foreground = { black: 30, red: 31, green: 32, yellow: 33, blue: 34, magenta: 35, cyan: 36, white: 37 };
-        var background = { black: 40, red: 41, green: 42, yellow: 43, blue: 44, magenta: 45, cyan: 46, white: 47 };
-        var styles     = {
-            'ERROR':     { bg: 'red', fg: 'white', bold: true },
-            'INFO':      { fg: 'green', bold: true },
-            'TRACE':     { fg: 'green', bold: true },
-            'PARAMETER': { fg: 'cyan' },
-            'COMMENT':   { fg: 'yellow' },
-            'WARNING':   { fg: 'red', bold: true },
-            'GREEN_BAR': { fg: 'white', bg: 'green', bold: true },
-            'RED_BAR':   { fg: 'white', bg: 'red', bold: true },
-            'INFO_BAR':  { fg: 'cyan', bold: true }
-        };
-
-        /**
-         * Adds a style to provided text.
-         *
-         * @params  String  text
-         * @params  String  styleName
-         * @return  String
-         */
-        this.colorize = function(text, styleName) {
-            if (styleName in styles) {
-                return this.format(text, styles[styleName]);
-            }
-            return text;
-        };
-
-        /**
-         * Formats a text using a style declaration object.
-         *
-         * @param  String  text
-         * @param  Object  style
-         * @return String
-         */
-        this.format = function(text, style) {
-            if (typeof style !== "object") {
-                return text;
-            }
-            var codes = [];
-            if (style.fg && foreground[style.fg]) {
-                codes.push(foreground[style.fg]);
-            }
-            if (style.bg && background[style.bg]) {
-                codes.push(background[style.bg]);
-            }
-            for (var option in options) {
-                if (style[option] === true) {
-                    codes.push(options[option]);
-                }
-            }
-            return "\033[" + codes.join(';') + 'm' + text + "\033[0m";
-        };
-    };
-
-    /**
-     * Casper tester: makes assertions, stores test results and display then.
-     *
-     */
-    phantom.Casper.Tester = function(casper, options) {
-        this.options = isType(options, "object") ? options : {};
-        if (!casper instanceof phantom.Casper) {
-            throw "phantom.Casper.Tester needs a phantom.Casper instance";
-        }
-
-        // locals
-        var exporter = new phantom.Casper.XUnitExporter();
-        var PASS = this.options.PASS || "PASS";
-        var FAIL = this.options.FAIL || "FAIL";
-
-        function compareArrays(a, b) {
-            if (a.length !== b.length) {
-                return false;
-            }
-            a.forEach(function(item, i) {
-                if (isType(item, "array") && !compareArrays(item, b[i])) {
-                    return false;
-                }
-                if (item !== b[i]) {
-                    return false;
-                }
-            });
-            return true;
-        }
-
-        // properties
-        this.testResults = {
-            passed: 0,
-            failed: 0
-        };
-
-        // methods
-        /**
-         * Asserts a condition resolves to true.
-         *
-         * @param  Boolean  condition
-         * @param  String   message    Test description
-         */
-        this.assert = function(condition, message) {
-            var status = PASS;
-            if (condition === true) {
-                style = 'INFO';
-                this.testResults.passed++;
-                exporter.addSuccess("unknown", message);
-            } else {
-                status = FAIL;
-                style = 'RED_BAR';
-                this.testResults.failed++;
-                exporter.addFailure("unknown", message, 'test failed', "assert");
-            }
-            casper.echo([this.colorize(status, style), this.formatMessage(message)].join(' '));
-        };
-
-        /**
-         * Asserts that two values are strictly equals.
-         *
-         * @param  Mixed   testValue  The value to test
-         * @param  Mixed   expected   The expected value
-         * @param  String  message    Test description
-         */
-        this.assertEquals = function(testValue, expected, message) {
-            if (this.testEquals(testValue, expected)) {
-                casper.echo(this.colorize(PASS, 'INFO') + ' ' + this.formatMessage(message));
-                this.testResults.passed++;
-                exporter.addSuccess("unknown", message);
-            } else {
-                casper.echo(this.colorize(FAIL, 'RED_BAR') + ' ' + this.formatMessage(message, 'WARNING'));
-                this.comment('   got:      ' + testValue);
-                this.comment('   expected: ' + expected);
-                this.testResults.failed++;
-                exporter.addFailure("unknown", message, "test failed; expected: " + expected + "; got: " + testValue, "assertEquals");
-            }
-        };
-
-        /**
-         * Asserts that a code evaluation in remote DOM resolves to true.
-         *
-         * @param  Function  fn         A function to be evaluated in remote DOM
-         * @param  String    message    Test description
-         */
-        this.assertEval = function(fn, message) {
-            return this.assert(casper.evaluate(fn), message);
-        };
-
-        /**
-         * Asserts that the result of a code evaluation in remote DOM equals
-         * an expected value.
-         *
-         * @param  Function fn         The function to be evaluated in remote DOM
-         * @param  Boolean  expected   The expected value
-         * @param  String   message    Test description
-         */
-        this.assertEvalEquals = function(fn, expected, message) {
-            return this.assertEquals(casper.evaluate(fn), expected, message);
-        };
-
-        /**
-         * Asserts that an element matching the provided CSS3 selector exists in
-         * remote DOM.
-         *
-         * @param  String   selector   CSS3 selectore
-         * @param  String   message    Test description
-         */
-        this.assertExists = function(selector, message) {
-            return this.assert(casper.exists(selector), message);
-        };
-
-        /**
-         * Asserts that a provided string matches a provided RegExp pattern.
-         *
-         * @param  String   subject    The string to test
-         * @param  RegExp   pattern    A RegExp object instance
-         * @param  String   message    Test description
-         */
-        this.assertMatch = function(subject, pattern, message) {
-            if (pattern.test(subject)) {
-                casper.echo(this.colorize(PASS, 'INFO') + ' ' + this.formatMessage(message));
-                this.testResults.passed++;
-                exporter.addSuccess("unknown", message);
-            } else {
-                casper.echo(this.colorize(FAIL, 'RED_BAR') + ' ' + this.formatMessage(message, 'WARNING'));
-                this.comment('   subject: ' + subject);
-                this.comment('   pattern: ' + pattern.toString());
-                this.testResults.failed++;
-                exporter.addFailure("unknown", message, "test failed; subject: " + subject + "; pattern: " + pattern.toString(), "assertMatch");
-            }
-        };
-
-        /**
-         * Asserts a condition resolves to false.
-         *
-         * @param  Boolean  condition
-         * @param  String   message    Test description
-         */
-        this.assertNot = function(condition, message) {
-            return this.assert(!condition, message);
-        };
-
-        /**
-         * Asserts that the provided function called with the given parameters
-         * will raise an exception.
-         *
-         * @param  Function  fn       The function to test
-         * @param  Array     args     The arguments to pass to the function
-         * @param  String    message  Test description
-         */
-        this.assertRaises = function(fn, args, message) {
-            try {
-                fn.apply(null, args);
-                this.fail(message);
-            } catch (e) {
-                this.pass(message);
-            }
-        };
-
-        /**
-         * Asserts that at least an element matching the provided CSS3 selector
-         * exists in remote DOM.
-         *
-         * @param  String   selector   A CSS3 selector string
-         * @param  String   message    Test description
-         */
-        this.assertSelectorExists = function(selector, message) {
-            return this.assert(this.exists(selector), message);
-        };
-
-        /**
-         * Asserts that title of the remote page equals to the expected one.
-         *
-         * @param  String  expected   The expected title string
-         * @param  String  message    Test description
-         */
-        this.assertTitle = function(expected, message) {
-            return this.assertEquals(casper.getTitle(), expected, message);
-        };
-
-        /**
-         * Asserts that the provided input is of the given type.
-         *
-         * @param  mixed   input    The value to test
-         * @param  String  type     The javascript type name
-         * @param  String  message  Test description
-         */
-        this.assertType = function(input, type, message) {
-            return this.assertEquals(betterTypeOf(input), type, message);
-        };
-
-        /**
-         * Asserts that a the current page url matches the provided RegExp
-         * pattern.
-         *
-         * @param  RegExp   pattern    A RegExp object instance
-         * @param  String   message    Test description
-         */
-        this.assertUrlMatch = function(pattern, message) {
-            return this.assertMatch(casper.getCurrentUrl(), pattern, message);
-        };
-
-        /**
-         * Render a colorized output. Basically a proxy method for
-         * Casper.Colorizer#colorize()
-         */
-        this.colorize = function(message, style) {
-            return casper.colorizer.colorize(message, style);
-        };
-
-        /**
-         * Writes a comment-style formatted message to stdout.
-         *
-         * @param  String  message
-         */
-        this.comment = function(message) {
-            casper.echo('# ' + message, 'COMMENT');
-        };
-
-        /**
-         * Tests equality between the two passed arguments.
-         *
-         * @param  Mixed  v1
-         * @param  Mixed  v2
-         * @param  Boolean
-         */
-        this.testEquals = function(v1, v2) {
-            if (betterTypeOf(v1) !== betterTypeOf(v2)) {
-                return false;
-            }
-            if (isType(v1, "function")) {
-                return v1.toString() === v2.toString();
-            }
-            if (v1 instanceof Object && v2 instanceof Object) {
-                if (Object.keys(v1).length !== Object.keys(v2).length) {
-                    return false;
-                }
-                for (var k in v1) {
-                    if (!this.testEquals(v1[k], v2[k])) {
-                        return false;
-                    }
-                }
-                return true;
-            }
-            return v1 === v2;
-        };
-
-        /**
-         * Writes an error-style formatted message to stdout.
-         *
-         * @param  String  message
-         */
-        this.error = function(message) {
-            casper.echo(message, 'ERROR');
-        };
-
-        /**
-         * Adds a failed test entry to the stack.
-         *
-         * @param  String  message
-         */
-        this.fail = function(message) {
-            this.assert(false, message);
-        };
-
-        /**
-         * Formats a message to highlight some parts of it.
-         *
-         * @param  String  message
-         * @param  String  style
-         */
-        this.formatMessage = function(message, style) {
-            var parts = /([a-z0-9_\.]+\(\))(.*)/i.exec(message);
-            if (!parts) {
-                return message;
-            }
-            return this.colorize(parts[1], 'PARAMETER') + this.colorize(parts[2], style);
-        };
-
-        /**
-         * Writes an info-style formatted message to stdout.
-         *
-         * @param  String  message
-         */
-        this.info = function(message) {
-            casper.echo(message, 'PARAMETER');
-        };
-
-        /**
-         * Adds a successful test entry to the stack.
-         *
-         * @param  String  message
-         */
-        this.pass = function(message) {
-            this.assert(true, message);
-        };
-
-        /**
-         * Render tests results, an optionnaly exit phantomjs.
-         *
-         * @param  Boolean  exit
-         */
-        this.renderResults = function(exit, status, save) {
-            save = isType(save, "string") ? save : this.options.save;
-            var total = this.testResults.passed + this.testResults.failed, statusText, style, result;
-            if (this.testResults.failed > 0) {
-                statusText = FAIL;
-                style = 'RED_BAR';
-            } else {
-                statusText = PASS;
-                style = 'GREEN_BAR';
-            }
-            result = statusText + ' ' + total + ' tests executed, ' + this.testResults.passed + ' passed, ' + this.testResults.failed + ' failed.';
-            if (result.length < 80) {
-                result += new Array(80 - result.length + 1).join(' ');
-            }
-            casper.echo(this.colorize(result, style));
-            if (save && isType(require, "function")) {
-                try {
-                    require('fs').write(save, exporter.getXML(), 'w');
-                    casper.echo('result log stored in ' + save, 'INFO');
-                } catch (e) {
-                    casper.echo('unable to write results to ' + save + '; ' + e, 'ERROR');
-                }
-            }
-            if (exit === true) {
-                casper.exit(status || 0);
-            }
-        };
-    };
-
-    /**
-     * Function argument injector.
-     *
-     */
-    phantom.Casper.FunctionArgsInjector = function(fn) {
-        if (!isType(fn, "function")) {
-            throw "FunctionArgsInjector() can only process functions";
-        }
-        this.fn = fn;
-
-        this.extract = function(fn) {
-            var match = /^function\s?(\w+)?\s?\((.*)\)\s?\{([\s\S]*)\}/i.exec(fn.toString().trim());
-            if (match && match.length > 1) {
-                var args = match[2].split(',').map(function(arg) {
-                    return arg.replace(new RegExp(/\/\*+.*\*\//ig), "").trim();
-                }).filter(function(arg) {
-                    return arg;
-                }) || [];
-                return {
-                    name: match[1] ? match[1].trim() : null,
-                    args: args,
-                    body: match[3] ? match[3].trim() : ''
-                };
-            }
-        };
-
-        this.process = function(values) {
-            var fnObj = this.extract(this.fn);
-            if (!isType(fnObj, "object")) {
-                throw "Unable to process function " + this.fn.toString();
-            }
-            var inject = this.getArgsInjectionString(fnObj.args, values);
-            return 'function ' + (fnObj.name || '') + '(){' + inject + fnObj.body + '}';
-        };
-
-        this.getArgsInjectionString = function(args, values) {
-            values = typeof values === "object" ? values : {};
-            var jsonValues = escape(encodeURIComponent(JSON.stringify(values)));
-            var inject = [
-                'var __casper_params__ = JSON.parse(decodeURIComponent(unescape(\'' + jsonValues + '\')));'
-            ];
-            args.forEach(function(arg) {
-                if (arg in values) {
-                    inject.push('var ' + arg + '=__casper_params__["' + arg + '"];');
-                }
-            });
-            return inject.join('\n') + '\n';
-        };
-    };
-
-    /**
-     * JUnit XML (xUnit) exporter for test results.
-     *
-     */
-    phantom.Casper.XUnitExporter = function() {
-        var node = function(name, attributes) {
-            var node = document.createElement(name);
-            for (var attrName in attributes) {
-                var value = attributes[attrName];
-                if (attributes.hasOwnProperty(attrName) && isType(attrName, "string")) {
-                    node.setAttribute(attrName, value);
-                }
-            }
-            return node;
-        };
-
-        var xml = node('testsuite');
-        xml.toString = function() {
-            return this.outerHTML; // ouch
-        };
-
-        /**
-         * Adds a successful test result
-         *
-         * @param  String  classname
-         * @param  String  name
-         */
-        this.addSuccess = function(classname, name) {
-            xml.appendChild(node('testcase', {
-                classname: classname,
-                name:      name
-            }));
-        };
-
-        /**
-         * Adds a failed test result
-         *
-         * @param  String  classname
-         * @param  String  name
-         * @param  String  message
-         * @param  String  type
-         */
-        this.addFailure = function(classname, name, message, type) {
-            var fnode = node('testcase', {
-                classname: classname,
-                name:      name
-            });
-            var failure = node('failure', {
-                type: type || "unknown"
-            });
-            failure.appendChild(document.createTextNode(message || "no message left"));
-            fnode.appendChild(failure);
-            xml.appendChild(fnode);
-        };
-
-        /**
-         * Retrieves generated XML object - actually an HTMLElement.
-         *
-         * @return HTMLElement
-         */
-        this.getXML = function() {
-            return xml;
-        };
-    };
-
-    /**
-     * Provides a better typeof operator equivalent, able to retrieve the array
-     * type.
-     *
-     * @param  mixed  input
-     * @return String
-     * @see    http://javascriptweblog.wordpress.com/2011/08/08/fixing-the-javascript-typeof-operator/
-     */
-    function betterTypeOf(input) {
-        try {
-            return Object.prototype.toString.call(input).match(/^\[object\s(.*)\]$/)[1].toLowerCase();
-        } catch (e) {
-            return typeof input;
-        }
-    }
-
-    /**
-     * Creates a new WebPage instance for Casper use.
-     *
-     * @param  Casper  casper  A Casper instance
-     * @return WebPage
-     */
-    function createPage(casper) {
-        var page;
-        if (phantom.version.major <= 1 && phantom.version.minor < 3 && isType(require, "function")) {
-            page = new WebPage();
-        } else {
-            page = require('webpage').create();
-        }
-        page.onAlert = function(message) {
-            casper.log('[alert] ' + message, "info", "remote");
-            if (isType(casper.options.onAlert, "function")) {
-                casper.options.onAlert.call(casper, casper, message);
-            }
-        };
-        page.onConsoleMessage = function(msg) {
-            var level = "info", test = /^\[casper:(\w+)\]\s?(.*)/.exec(msg);
-            if (test && test.length === 3) {
-                level = test[1];
-                msg = test[2];
-            }
-            casper.log(msg, level, "remote");
-        };
-        page.onLoadStarted = function() {
-            casper.loadInProgress = true;
-        };
-        page.onLoadFinished = function(status) {
-            if (status !== "success") {
-                var message = 'Loading resource failed with status=' + status;
-                if (casper.currentHTTPStatus) {
-                    message += ' (HTTP ' + casper.currentHTTPStatus + ')';
-                }
-                message += ': ' + casper.requestUrl;
-                casper.log(message, "warning");
-                if (isType(casper.options.onLoadError, "function")) {
-                    casper.options.onLoadError.call(casper, casper, casper.requestUrl, status);
-                }
-            }
-            if (casper.options.clientScripts) {
-                if (betterTypeOf(casper.options.clientScripts) !== "array") {
-                    casper.log("The clientScripts option must be an array", "error");
-                } else {
-                    for (var i = 0; i < casper.options.clientScripts.length; i++) {
-                        var script = casper.options.clientScripts[i];
-                        if (casper.page.injectJs(script)) {
-                            casper.log('Automatically injected ' + script + ' client side', "debug");
-                        } else {
-                            casper.log('Failed injecting ' + script + ' client side', "warning");
-                        }
-                    }
-                }
-            }
-            // Client-side utils injection
-            var injected = page.evaluate(replaceFunctionPlaceholders(function() {
-                eval("var ClientUtils = " + decodeURIComponent("%utils%"));
-                __utils__ = new ClientUtils();
-                return __utils__ instanceof ClientUtils;
-            }, {
-                utils: encodeURIComponent(phantom.Casper.ClientUtils.toString())
-            }));
-            if (!injected) {
-                casper.log("Failed to inject Casper client-side utilities!", "warning");
-            } else {
-                casper.log("Successfully injected Casper client-side utilities", "debug");
-            }
-            // history
-            casper.history.push(casper.getCurrentUrl());
-            casper.loadInProgress = false;
-        };
-        page.onResourceReceived = function(resource) {
-            if (isType(casper.options.onResourceReceived, "function")) {
-                casper.options.onResourceReceived.call(casper, casper, resource);
-            }
-            if (resource.url === casper.requestUrl && resource.stage === "start") {
-                casper.currentHTTPStatus = resource.status;
-                if (isType(casper.options.httpStatusHandlers, "object") && resource.status in casper.options.httpStatusHandlers) {
-                    casper.options.httpStatusHandlers[resource.status](casper, resource);
-                }
-                casper.currentUrl = resource.url;
-            }
-        };
-        page.onResourceRequested = function(request) {
-            if (isType(casper.options.onResourceRequested, "function")) {
-                casper.options.onResourceRequested.call(casper, casper, request);
-            }
-        };
-        return page;
-    }
-
-    /**
-     * Shorthands for checking if a value is of the given type. Can check for
-     * arrays.
-     *
-     * @param  mixed   what      The value to check
-     * @param  String  typeName  The type name ("string", "number", "function", etc.)
-     * @return Boolean
-     */
-    function isType(what, typeName) {
-        return betterTypeOf(what) === typeName;
-    }
-
-    /**
-     * Checks if the provided var is a WebPage instance
-     *
-     * @param  mixed  what
-     * @return Boolean
-     */
-    function isWebPage(what) {
-        if (!what || !isType(what, "object")) {
-            return false;
-        }
-        if (phantom.version.major <= 1 && phantom.version.minor < 3 && isType(require, "function")) {
-            return what instanceof WebPage;
-        } else {
-            return what.toString().indexOf('WebPage(') === 0;
-        }
-    }
-
-    /**
-     * Object recursive merging utility.
-     *
-     * @param  Object  obj1  the destination object
-     * @param  Object  obj2  the source object
-     * @return Object
-     */
-    function mergeObjects(obj1, obj2) {
-        for (var p in obj2) {
-            try {
-                if (obj2[p].constructor == Object) {
-                    obj1[p] = mergeObjects(obj1[p], obj2[p]);
-                } else {
-                    obj1[p] = obj2[p];
-                }
-            } catch(e) {
-              obj1[p] = obj2[p];
-            }
-        }
-        return obj1;
-    }
-
-    /**
-     * Replaces a function string contents with placeholders provided by an
-     * Object.
-     *
-     * @param  Function  fn            The function
-     * @param  Object    replacements  Object containing placeholder replacements
-     * @return String                  A function string representation
-     */
-    function replaceFunctionPlaceholders(fn, replacements) {
-        if (replacements && isType(replacements, "object")) {
-            fn = fn.toString();
-            for (var placeholder in replacements) {
-                var match = '%' + placeholder + '%';
-                do {
-                    fn = fn.replace(match, replacements[placeholder]);
-                } while(fn.indexOf(match) !== -1);
-            }
-        }
-        return fn;
-    }
-})(phantom);
+var fs = require('fs');
+
+function pathJoin() {
+    return Array.prototype.join.call(arguments, fs.separator);
+}
+
+var casperLibPath = pathJoin(fs.absolute('.'), 'lib');
+phantom.injectJs(pathJoin(casperLibPath, 'casper.js'));
+phantom.injectJs(pathJoin(casperLibPath, 'clientutils.js'));
+phantom.injectJs(pathJoin(casperLibPath, 'colorizer.js'));
+phantom.injectJs(pathJoin(casperLibPath, 'injector.js'));
+phantom.injectJs(pathJoin(casperLibPath, 'tester.js'));
+phantom.injectJs(pathJoin(casperLibPath, 'utils.js'));
+phantom.injectJs(pathJoin(casperLibPath, 'xunit.js'));

+/*!
+ * Casper is a navigation utility for PhantomJS.
+ *
+ * Documentation: http://n1k0.github.com/casperjs/
+ * Repository:    http://github.com/n1k0/casperjs
+ *
+ * Copyright (c) 2011 Nicolas Perriault
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a
+ * copy of this software and associated documentation files (the "Software"),
+ * to deal in the Software without restriction, including without limitation
+ * the rights to use, copy, modify, merge, publish, distribute, sublicense,
+ * and/or sell copies of the Software, and to permit persons to whom the
+ * Software is furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included
+ * in all copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
+ * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
+ * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
+ * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
+ * DEALINGS IN THE SOFTWARE.
+ *
+ */
+(function(phantom) {
+    /**
+     * Main Casper object.
+     *
+     * @param  Object  options  Casper options
+     * @return Casper
+     */
+    phantom.Casper = function(options) {
+        var DEFAULT_DIE_MESSAGE = "Suite explicitely interrupted without any message given.";
+        var DEFAULT_USER_AGENT  = "Mozilla/5.0 (Windows NT 6.0) AppleWebKit/535.1 (KHTML, like Gecko) Chrome/13.0.782.112 Safari/535.1";
+        // init & checks
+        if (!(this instanceof arguments.callee)) {
+            return new Casper(options);
+        }
+        // default options
+        this.defaults = {
+            clientScripts:       [],
+            faultTolerant:       true,
+            logLevel:            "error",
+            httpStatusHandlers:  {},
+            onAlert:             null,
+            onDie:               null,
+            onError:             null,
+            onLoadError:         null,
+            onPageInitialized:   null,
+            onResourceReceived:  null,
+            onResourceRequested: null,
+            onStepComplete:      null,
+            onStepTimeout:       null,
+            onTimeout:           null,
+            page:                null,
+            pageSettings:        { userAgent: DEFAULT_USER_AGENT },
+            stepTimeout:         null,
+            timeout:             null,
+            verbose:             false
+        };
+        // privates
+        // local properties
+        this.checker = null;
+        this.colorizer = new phantom.Casper.Colorizer();
+        this.currentUrl = 'about:blank';
+        this.currentHTTPStatus = 200;
+        this.defaultWaitTimeout = 5000;
+        this.delayedExecution = false;
+        this.history = [];
+        this.loadInProgress = false;
+        this.logFormats = {};
+        this.logLevels = ["debug", "info", "warning", "error"];
+        this.logStyles = {
+            debug:   'INFO',
+            info:    'PARAMETER',
+            warning: 'COMMENT',
+            error:   'ERROR'
+        };
+        this.options = mergeObjects(this.defaults, options);
+        this.page = null;
+        this.requestUrl = 'about:blank';
+        this.result = {
+            log:    [],
+            status: "success",
+            time:   0
+        };
+        this.started = false;
+        this.step = 0;
+        this.steps = [];
+        this.test = new phantom.Casper.Tester(this);
+    };
+
+    /**
+     * Casper prototype
+     */
+    phantom.Casper.prototype = {
+        /**
+         * Go a step back in browser's history
+         *
+         * @return Casper
+         */
+        back: function() {
+            return this.then(function(self) {
+                self.evaluate(function() {
+                    history.back();
+                });
+            });
+        },
+
+        /**
+         * Encodes a resource using the base64 algorithm synchroneously using
+         * client-side XMLHttpRequest.
+         *
+         * NOTE: we cannot use window.btoa() for some strange reasons here.
+         *
+         * @param  String  url  The url to download
+         * @return string       Base64 encoded result
+         */
+        base64encode: function(url) {
+            return this.evaluate(function(url) {
+                return __utils__.getBase64(url);
+            }, { url: url });
+        },
+
+        /**
+         * Proxy method for WebPage#render. Adds a clipRect parameter for
+         * automatically set page clipRect setting values and sets it back once
+         * done. If the cliprect parameter is omitted, the full page viewport
+         * area will be rendered.
+         *
+         * @param  String  targetFile  A target filename
+         * @param  mixed   clipRect    An optional clipRect object (optional)
+         * @return Casper
+         */
+        capture: function(targetFile, clipRect) {
+            var previousClipRect;
+            if (clipRect) {
+                if (!isType(clipRect, "object")) {
+                    throw new Error("clipRect must be an Object instance.");
+                }
+                previousClipRect = this.page.clipRect;
+                this.page.clipRect = clipRect;
+                this.log('Capturing page to ' + targetFile + ' with clipRect' + JSON.stringify(clipRect), "debug");
+            } else {
+                this.log('Capturing page to ' + targetFile, "debug");
+            }
+            try {
+                this.page.render(targetFile);
+            } catch (e) {
+                this.log('Failed to capture screenshot as ' + targetFile + ': ' + e, "error");
+            }
+            if (previousClipRect) {
+                this.page.clipRect = previousClipRect;
+            }
+            return this;
+        },
+
+        /**
+         * Captures the page area containing the provided selector.
+         *
+         * @param  String  targetFile  Target destination file path.
+         * @param  String  selector    CSS3 selector
+         * @return Casper
+         */
+        captureSelector: function(targetFile, selector) {
+            return this.capture(targetFile, this.evaluate(function(selector) {
+                try {
+                    var clipRect = document.querySelector(selector).getBoundingClientRect();
+                    return {
+                        top:    clipRect.top,
+                        left:   clipRect.left,
+                        width:  clipRect.width,
+                        height: clipRect.height
+                    };
+                } catch (e) {
+                    __utils__.log("Unable to fetch bounds for element " + selector, "warning");
+                }
+            }, { selector: selector }));
+        },
+
+        /**
+         * Checks for any further navigation step to process.
+         *
+         * @param  Casper    self        A self reference
+         * @param  function  onComplete  An options callback to apply on completion
+         */
+        checkStep: function(self, onComplete) {
+            var step = self.steps[self.step];
+            if (!self.loadInProgress && isType(step, "function")) {
+                self.runStep(step);
+            }
+            if (!isType(step, "function") && !self.delayedExecution) {
+                self.result.time = new Date().getTime() - self.startTime;
+                self.log("Done " + self.steps.length + " steps in " + self.result.time + 'ms.', "info");
+                clearInterval(self.checker);
+                if (isType(onComplete, "function")) {
+                    try {
+                        onComplete.call(self, self);
+                    } catch (err) {
+                        self.log("could not complete final step: " + err, "error");
+                    }
+                } else {
+                    // default behavior is to exit phantom
+                    self.exit();
+                }
+            }
+        },
+
+        /**
+         * Emulates a click on the element from the provided selector, if
+         * possible. In case of success, `true` is returned.
+         *
+         * @param  String   selector        A DOM CSS3 compatible selector
+         * @param  Boolean  fallbackToHref  Whether to try to relocate to the value of any href attribute (default: true)
+         * @return Boolean
+         */
+        click: function(selector, fallbackToHref) {
+            fallbackToHref = isType(fallbackToHref, "undefined") ? true : !!fallbackToHref;
+            this.log("click on selector: " + selector, "debug");
+            return this.evaluate(function(selector, fallbackToHref) {
+                return __utils__.click(selector, fallbackToHref);
+            }, {
+                selector:       selector,
+                fallbackToHref: fallbackToHref
+            });
+        },
+
+        /**
+         * Creates a step definition.
+         *
+         * @param  Function  fn       The step function to call
+         * @param  Object    options  Step options
+         * @return Function  The final step function
+         */
+        createStep: function(fn, options) {
+            if (!isType(fn, "function")) {
+                throw "createStep(): a step definition must be a function";
+            }
+            fn.options = isType(options, "object") ? options : {};
+            return fn;
+        },
+
+        /**
+         * Logs the HTML code of the current page.
+         *
+         * @return Casper
+         */
+        debugHTML: function() {
+            this.echo(this.evaluate(function() {
+                return document.body.innerHTML;
+            }));
+            return this;
+        },
+
+        /**
+         * Logs the textual contents of the current page.
+         *
+         * @return Casper
+         */
+        debugPage: function() {
+            this.echo(this.evaluate(function() {
+                return document.body.innerText;
+            }));
+            return this;
+        },
+
+        /**
+         * Exit phantom on failure, with a logged error message.
+         *
+         * @param  String  message  An optional error message
+         * @param  Number  status   An optional exit status code (must be > 0)
+         * @return Casper
+         */
+        die: function(message, status) {
+            this.result.status = 'error';
+            this.result.time = new Date().getTime() - this.startTime;
+            message = isType(message, "string") && message.length > 0 ? message : DEFAULT_DIE_MESSAGE;
+            this.log(message, "error");
+            if (isType(this.options.onDie, "function")) {
+                this.options.onDie.call(this, this, message, status);
+            }
+            return this.exit(Number(status) > 0 ? Number(status) : 1);
+        },
+
+        /**
+         * Iterates over the values of a provided array and execute a callback
+         * for each item.
+         *
+         * @param  Array     array
+         * @param  Function  fn     Callback: function(self, item, index)
+         * @return Casper
+         */
+        each: function(array, fn) {
+            if (!isType(array, "array")) {
+                self.log("each() only works with arrays", "error");
+                return this;
+            }
+            (function(self) {
+                array.forEach(function(item, i) {
+                    fn(self, item, i);
+                });
+            })(this);
+            return this;
+        },
+
+        /**
+         * Prints something to stdout.
+         *
+         * @param  String  text  A string to echo to stdout
+         * @return Casper
+         */
+        echo: function(text, style) {
+            console.log(style ? this.colorizer.colorize(text, style) : text);
+            return this;
+        },
+
+        /**
+         * Evaluates an expression in the page context, a bit like what
+         * WebPage#evaluate does, but the passed function can also accept
+         * parameters if a context Object is also passed:
+         *
+         *     casper.evaluate(function(username, password) {
+         *         document.querySelector('#username').value = username;
+         *         document.querySelector('#password').value = password;
+         *         document.querySelector('#submit').click();
+         *     }, {
+         *         username: 'Bazoonga',
+         *         password: 'baz00nga'
+         *     })
+         *
+         * FIXME: waiting for a patch of PhantomJS to allow direct passing of
+         * arguments to the function.
+         * TODO: don't forget to keep this backward compatible.
+         *
+         * @param  Function  fn       The function to be evaluated within current page DOM
+         * @param  Object    context  Object containing the parameters to inject into the function
+         * @return mixed
+         * @see    WebPage#evaluate
+         */
+        evaluate: function(fn, context) {
+            context = isType(context, "object") ? context : {};
+            var newFn = new phantom.Casper.FunctionArgsInjector(fn).process(context);
+            return this.page.evaluate(newFn);
+        },
+
+        /**
+         * Evaluates an expression within the current page DOM and die() if it
+         * returns false.
+         *
+         * @param  function  fn       The expression to evaluate
+         * @param  String    message  The error message to log
+         * @return Casper
+         */
+        evaluateOrDie: function(fn, message) {
+            if (!this.evaluate(fn)) {
+                return this.die(message);
+            }
+            return this;
+        },
+
+        /**
+         * Checks if an element matching the provided CSS3 selector exists in
+         * current page DOM.
+         *
+         * @param  String  selector  A CSS3 selector
+         * @return Boolean
+         */
+        exists: function(selector) {
+            return this.evaluate(function(selector) {
+                return __utils__.exists(selector);
+            }, { selector: selector });
+        },
+
+        /**
+         * Checks if an element matching the provided CSS3 selector is visible
+         * current page DOM by checking that offsetWidth and offsetHeight are
+         * both non-zero.
+         *
+         * @param  String  selector  A CSS3 selector
+         * @return Boolean
+         */
+        visible: function(selector) {
+            return this.evaluate(function(selector) {
+                return __utils__.visible(selector);
+            }, { selector: selector });
+        },
+
+        /**
+         * Exits phantom.
+         *
+         * @param  Number  status  Status
+         * @return Casper
+         */
+        exit: function(status) {
+            phantom.exit(status);
+            return this;
+        },
+
+        /**
+         * Fetches innerText within the element(s) matching a given CSS3
+         * selector.
+         *
+         * @param  String  selector  A CSS3 selector
+         * @return String
+         */
+        fetchText: function(selector) {
+            return this.evaluate(function(selector) {
+                return __utils__.fetchText(selector);
+            }, { selector: selector });
+        },
+
+        /**
+         * Fills a form with provided field values.
+         *
+         * @param  String  selector  A CSS3 selector to the target form to fill
+         * @param  Object  vals      Field values
+         * @param  Boolean submit    Submit the form?
+         */
+        fill: function(selector, vals, submit) {
+            submit = submit === true ? submit : false;
+            if (!isType(selector, "string") || !selector.length) {
+                throw "form selector must be a non-empty string";
+            }
+            if (!isType(vals, "object")) {
+                throw "form values must be provided as an object";
+            }
+            var fillResults = this.evaluate(function(selector, values) {
+               return __utils__.fill(selector, values);
+            }, {
+                selector: selector,
+                values:   vals
+            });
+            if (!fillResults) {
+                throw "unable to fill form";
+            } else if (fillResults.errors.length > 0) {
+                (function(self){
+                    fillResults.errors.forEach(function(error) {
+                        self.log("form error: " + error, "error");
+                    });
+                })(this);
+                if (submit) {
+                    this.log("errors encountered while filling form; submission aborted", "warning");
+                    submit = false;
+                }
+            }
+            // File uploads
+            if (fillResults.files && fillResults.files.length > 0) {
+                (function(self) {
+                    fillResults.files.forEach(function(file) {
+                        var fileFieldSelector = [selector, 'input[name="' + file.name + '"]'].join(' ');
+                        self.page.uploadFile(fileFieldSelector, file.path);
+                    });
+                })(this);
+            }
+            // Form submission?
+            if (submit) {
+                this.evaluate(function(selector) {
+                    var form = document.querySelector(selector);
+                    var method = form.getAttribute('method').toUpperCase() || "GET";
+                    var action = form.getAttribute('action') || "unknown";
+                    __utils__.log('submitting form to ' + action + ', HTTP ' + method, 'info');
+                    form.submit();
+                }, { selector: selector });
+            }
+        },
+
+        /**
+         * Go a step forward in browser's history
+         *
+         * @return Casper
+         */
+        forward: function(then) {
+            return this.then(function(self) {
+                self.evaluate(function() {
+                    history.forward();
+                });
+            });
+        },
+
+        /**
+         * Retrieves current document url.
+         *
+         * @return String
+         */
+        getCurrentUrl: function() {
+            return decodeURIComponent(this.evaluate(function() {
+                return document.location.href;
+            }));
+        },
+
+        /**
+         * Retrieves global variable.
+         *
+         * @param  String  name  The name of the global variable to retrieve
+         * @return mixed
+         */
+        getGlobal: function(name) {
+            var result = this.evaluate(function(name) {
+                var result = {};
+                try {
+                    result.value = JSON.stringify(window[name]);
+                } catch (e) {
+                    result.error = 'Unable to JSON encode window.' + name + ': ' + e;
+                }
+                return result;
+            }, {'name': name});
+            if (result.error) {
+                throw result.error;
+            } else {
+                return JSON.parse(result.value);
+            }
+        },
+
+        /**
+         * Retrieves current page title, if any.
+         *
+         * @return String
+         */
+        getTitle: function() {
+            return this.evaluate(function() {
+                return document.title;
+            });
+        },
+
+        /**
+         * Logs a message.
+         *
+         * @param  String  message  The message to log
+         * @param  String  level    The log message level (from Casper.logLevels property)
+         * @param  String  space    Space from where the logged event occured (default: "phantom")
+         * @return Casper
+         */
+        log: function(message, level, space) {
+            level = level && this.logLevels.indexOf(level) > -1 ? level : "debug";
+            space = space ? space : "phantom";
+            if (level === "error" && isType(this.options.onError, "function")) {
+                this.options.onError.call(this, this, message, space);
+            }
+            if (this.logLevels.indexOf(level) < this.logLevels.indexOf(this.options.logLevel)) {
+                return this; // skip logging
+            }
+            var entry = {
+                level:   level,
+                space:   space,
+                message: message,
+                date:    new Date().toString()
+            };
+            if (level in this.logFormats && isType(this.logFormats[level], "function")) {
+                message = this.logFormats[level](message, level, space);
+            } else {
+                var levelStr = this.colorizer.colorize('[' + level + ']', this.logStyles[level]);
+                message = levelStr + ' [' + space + '] ' + message;
+            }
+            if (this.options.verbose) {
+                this.echo(message); // direct output
+            }
+            this.result.log.push(entry);
+            return this;
+        },
+
+        /**
+         * Opens a page. Takes only one argument, the url to open (using the
+         * callback argument would defeat the whole purpose of Casper
+         * actually).
+         *
+         * @param  String  location  The url to open
+         * @return Casper
+         */
+        open: function(location, options) {
+            options = isType(options, "object") ? options : {};
+            this.requestUrl = location;
+            this.page.open(location);
+            return this;
+        },
+
+        /**
+         * Repeats a step a given number of times.
+         *
+         * @param  Number    times  Number of times to repeat step
+         * @aram   function  then   The step closure
+         * @return Casper
+         * @see    Casper#then
+         */
+        repeat: function(times, then) {
+            for (var i = 0; i < times; i++) {
+                this.then(then);
+            }
+            return this;
+        },
+
+        /**
+         * Runs the whole suite of steps.
+         *
+         * @param  function  onComplete  an optional callback
+         * @param  Number    time        an optional amount of milliseconds for interval checking
+         * @return Casper
+         */
+        run: function(onComplete, time) {
+            if (!this.steps || this.steps.length < 1) {
+                this.log("No steps defined, aborting", "error");
+                return this;
+            }
+            this.log("Running suite: " + this.steps.length + " step" + (this.steps.length > 1 ? "s" : ""), "info");
+            this.checker = setInterval(this.checkStep, (time ? time: 250), this, onComplete);
+            return this;
+        },
+
+        /**
+         * Runs a step.
+         *
+         * @param  Function  step
+         */
+        runStep: function(step) {
+            var skipLog = isType(step.options, "object") && step.options.skipLog === true;
+            var stepInfo = "Step " + (this.step + 1) + "/" + this.steps.length;
+            var stepResult;
+            if (!skipLog) {
+                this.log(stepInfo + ' ' + this.getCurrentUrl() + ' (HTTP ' + this.currentHTTPStatus + ')', "info");
+            }
+            if (isType(this.options.stepTimeout, "number") && this.options.stepTimeout > 0) {
+                var stepTimeoutCheckInterval = setInterval(function(self, start, stepNum) {
+                    if (new Date().getTime() - start > self.options.stepTimeout) {
+                        if (self.step == stepNum + 1) {
+                            if (isType(self.options.onStepTimeout, "function")) {
+                                self.options.onStepTimeout.call(self, self);
+                            } else {
+                                self.die("Maximum step execution timeout exceeded for step " + stepNum, "error");
+                            }
+                        }
+                        clearInterval(stepTimeoutCheckInterval);
+                    }
+                }, this.options.stepTimeout, this, new Date().getTime(), this.step);
+            }
+            try {
+                stepResult = step.call(this, this);
+            } catch (e) {
+                if (this.options.faultTolerant) {
+                    this.log("Step error: " + e, "error");
+                } else {
+                    throw e;
+                }
+            }
+            if (isType(this.options.onStepComplete, "function")) {
+                this.options.onStepComplete.call(this, this, stepResult);
+            }
+            if (!skipLog) {
+                this.log(stepInfo + ": done in " + (new Date().getTime() - this.startTime) + "ms.", "info");
+            }
+            this.step++;
+        },
+
+        /**
+         * Configures and starts Casper.
+         *
+         * @param  String   location  An optional location to open on start
+         * @param  function then      Next step function to execute on page loaded (optional)
+         * @return Casper
+         */
+        start: function(location, then) {
+            if (this.started) {
+                this.log("start failed: Casper has already started!", "error");
+            }
+            this.log('Starting...', "info");
+            this.startTime = new Date().getTime();
+            this.steps = [];
+            this.step = 0;
+            // Option checks
+            if (this.logLevels.indexOf(this.options.logLevel) < 0) {
+                this.log("Unknown log level '" + this.options.logLevel + "', defaulting to 'warning'", "warning");
+                this.options.logLevel = "warning";
+            }
+            // WebPage
+            if (!isWebPage(this.page)) {
+                if (isWebPage(this.options.page)) {
+                    this.page = this.options.page;
+                } else {
+                    this.page = createPage(this);
+                }
+            }
+            this.page.settings = mergeObjects(this.page.settings, this.options.pageSettings);
+            if (isType(this.options.clipRect, "object")) {
+                this.page.clipRect = this.options.clipRect;
+            }
+            if (isType(this.options.viewportSize, "object")) {
+                this.page.viewportSize = this.options.viewportSize;
+            }
+            this.started = true;
+            if (isType(this.options.timeout, "number") && this.options.timeout > 0) {
+                this.log("Execution timeout set to " + this.options.timeout + 'ms', "info");
+                setTimeout(function(self) {
+                    if (isType(self.options.onTimeout, "function")) {
+                        self.options.onTimeout.call(self, self);
+                    } else {
+                        self.die("Timeout of " + self.options.timeout + "ms exceeded, exiting.");
+                    }
+                }, this.options.timeout, this);
+            }
+            if (isType(this.options.onPageInitialized, "function")) {
+                this.log("Post-configuring WebPage instance", "debug");
+                this.options.onPageInitialized.call(this, this.page);
+            }
+            if (isType(location, "string") && location.length > 0) {
+                return this.thenOpen(location, isType(then, "function") ? then : this.createStep(function(self) {
+                    self.log("start page is loaded", "debug");
+                }));
+            }
+            return this;
+        },
+
+        /**
+         * Schedules the next step in the navigation process.
+         *
+         * @param  function  step  A function to be called as a step
+         * @return Casper
+         */
+        then: function(step) {
+            if (!this.started) {
+                throw "Casper not started; please use Casper#start";
+            }
+            if (!isType(step, "function")) {
+                throw "You can only define a step as a function";
+            }
+            this.steps.push(step);
+            return this;
+        },
+
+        /**
+         * Adds a new navigation step for clicking on a provided link selector
+         * and execute an optional next step.
+         *
+         * @param  String   selector        A DOM CSS3 compatible selector
+         * @param  Function then            Next step function to execute on page loaded (optional)
+         * @param  Boolean  fallbackToHref  Whether to try to relocate to the value of any href attribute (default: true)
+         * @return Casper
+         * @see    Casper#click
+         * @see    Casper#then
+         */
+        thenClick: function(selector, then, fallbackToHref) {
+            this.then(function(self) {
+                self.click(selector, fallbackToHref);
+            });
+            return isType(then, "function") ? this.then(then) : this;
+        },
+
+        /**
+         * Adds a new navigation step to perform code evaluation within the
+         * current retrieved page DOM.
+         *
+         * @param  function  fn       The function to be evaluated within current page DOM
+         * @param  object    context  Optional function parameters context
+         * @return Casper
+         * @see    Casper#evaluate
+         */
+        thenEvaluate: function(fn, context) {
+            return this.then(function(self) {
+                self.evaluate(fn, context);
+            });
+        },
+
+        /**
+         * Adds a new navigation step for opening the provided location.
+         *
+         * @param  String   location  The URL to load
+         * @param  function then      Next step function to execute on page loaded (optional)
+         * @return Casper
+         * @see    Casper#open
+         */
+        thenOpen: function(location, then) {
+            this.then(this.createStep(function(self) {
+                self.open(location);
+            }, {
+                skipLog: true
+            }));
+            return isType(then, "function") ? this.then(then) : this;
+        },
+
+        /**
+         * Adds a new navigation step for opening and evaluate an expression
+         * against the DOM retrieved from the provided location.
+         *
+         * @param  String    location  The url to open
+         * @param  function  fn        The function to be evaluated within current page DOM
+         * @param  object    context   Optional function parameters context
+         * @return Casper
+         * @see    Casper#evaluate
+         * @see    Casper#open
+         */
+        thenOpenAndEvaluate: function(location, fn, context) {
+            return this.thenOpen(location).thenEvaluate(fn, context);
+        },
+
+        /**
+         * Changes the current viewport size.
+         *
+         * @param  Number  width   The viewport width, in pixels
+         * @param  Number  height  The viewport height, in pixels
+         * @return Casper
+         */
+        viewport: function(width, height) {
+            if (!isType(width, "number") || !isType(height, "number") || width <= 0 || height <= 0) {
+                throw new Error("Invalid viewport width/height set: " + width + 'x' + height);
+            }
+            this.page.viewportSize = {
+                width: width,
+                height: height
+            };
+            return this;
+        },
+
+        /**
+         * Adds a new step that will wait for a given amount of time (expressed
+         * in milliseconds) before processing an optional next one.
+         *
+         * @param  Number    timeout  The max amount of time to wait, in milliseconds
+         * @param  Function  then     Next step to process (optional)
+         * @return Casper
+         */
+        wait: function(timeout, then) {
+            timeout = Number(timeout, 10);
+            if (!isType(timeout, "number") || timeout < 1) {
+                this.die("wait() only accepts a positive integer > 0 as a timeout value");
+            }
+            if (then && !isType(then, "function")) {
+                this.die("wait() a step definition must be a function");
+            }
+            return this.then(function(self) {
+                self.delayedExecution = true;
+                var start = new Date().getTime();
+                var interval = setInterval(function(self, then) {
+                    if (new Date().getTime() - start > timeout) {
+                        self.delayedExecution = false;
+                        self.log("wait() finished wating for " + timeout + "ms.", "info");
+                        if (then) {
+                            self.then(then);
+                        }
+                        clearInterval(interval);
+                    }
+                }, 100, self, then);
+            });
+        },
+
+        /**
+         * Waits until a function returns true to process a next step.
+         *
+         * @param  Function  testFx     A function to be evaluated for returning condition satisfecit
+         * @param  Function  then       The next step to perform (optional)
+         * @param  Function  onTimeout  A callback function to call on timeout (optional)
+         * @param  Number    timeout    The max amount of time to wait, in milliseconds (optional)
+         * @return Casper
+         */
+        waitFor: function(testFx, then, onTimeout, timeout) {
+            timeout = timeout ? timeout : this.defaultWaitTimeout;
+            if (!isType(testFx, "function")) {
+                this.die("waitFor() needs a test function");
+            }
+            if (then && !isType(then, "function")) {
+                this.die("waitFor() next step definition must be a function");
+            }
+            this.delayedExecution = true;
+            var start = new Date().getTime();
+            var condition = false;
+            var interval = setInterval(function(self, testFx, onTimeout) {
+                if ((new Date().getTime() - start < timeout) && !condition) {
+                    condition = testFx(self);
+                } else {
+                    self.delayedExecution = false;
+                    if (!condition) {
+                        self.log("Casper.waitFor() timeout", "warning");
+                        if (isType(onTimeout, "function")) {
+                            onTimeout.call(self, self);
+                        } else {
+                            self.die("Expired timeout, exiting.", "error");
+                        }
+                        clearInterval(interval);
+                    } else {
+                        self.log("waitFor() finished in " + (new Date().getTime() - start) + "ms.", "info");
+                        if (then) {
+                            self.then(then);
+                        }
+                        clearInterval(interval);
+                    }
+                }
+            }, 100, this, testFx, onTimeout);
+            return this;
+        },
+
+        /**
+         * Waits until an element matching the provided CSS3 selector exists in
+         * remote DOM to process a next step.
+         *
+         * @param  String    selector   A CSS3 selector
+         * @param  Function  then       The next step to perform (optional)
+         * @param  Function  onTimeout  A callback function to call on timeout (optional)
+         * @param  Number    timeout    The max amount of time to wait, in milliseconds (optional)
+         * @return Casper
+         */
+        waitForSelector: function(selector, then, onTimeout, timeout) {
+            timeout = timeout ? timeout : this.defaultWaitTimeout;
+            return this.waitFor(function(self) {
+                return self.exists(selector);
+            }, then, onTimeout, timeout);
+        },
+
+        /**
+         * Waits until an element matching the provided CSS3 selector does not
+         * exist in the remote DOM to process a next step.
+         *
+         * @param  String    selector   A CSS3 selector
+         * @param  Function  then       The next step to perform (optional)
+         * @param  Function  onTimeout  A callback function to call on timeout (optional)
+         * @param  Number    timeout    The max amount of time to wait, in milliseconds (optional)
+         * @return Casper
+         */
+        waitWhileSelector: function(selector, then, onTimeout, timeout) {
+            timeout = timeout ? timeout : this.defaultWaitTimeout;
+            return this.waitFor(function(self) {
+                return !self.exists(selector);
+            }, then, onTimeout, timeout);
+        },
+
+        /**
+         * Waits until an element matching the provided CSS3 selector is
+         * visible in the remote DOM to process a next step.
+         *
+         * @param  String    selector   A CSS3 selector
+         * @param  Function  then       The next step to perform (optional)
+         * @param  Function  onTimeout  A callback function to call on timeout (optional)
+         * @param  Number    timeout    The max amount of time to wait, in milliseconds (optional)
+         * @return Casper
+         */
+        waitUntilVisible: function(selector, then, onTimeout, timeout) {
+            timeout = timeout ? timeout : this.defaultWaitTimeout;
+            return this.waitFor(function(self) {
+                return self.visible(selector);
+            }, then, onTimeout, timeout);
+        },
+
+        /**
+         * Waits until an element matching the provided CSS3 selector is no
+         * longer visible in remote DOM to process a next step.
+         *
+         * @param  String    selector   A CSS3 selector
+         * @param  Function  then       The next step to perform (optional)
+         * @param  Function  onTimeout  A callback function to call on timeout (optional)
+         * @param  Number    timeout    The max amount of time to wait, in milliseconds (optional)
+         * @return Casper
+         */
+        waitWhileVisible: function(selector, then, onTimeout, timeout) {
+            timeout = timeout ? timeout : this.defaultWaitTimeout;
+            return this.waitFor(function(self) {
+                return !self.visible(selector);
+            }, then, onTimeout, timeout);
+        }
+    };
+
+    /**
+     * Extends Casper's prototype with provided one.
+     *
+     * @param  Object  proto  Prototype methods to add to Casper
+     */
+    phantom.Casper.extend = function(proto) {
+        if (!isType(proto, "object")) {
+            throw "extends() only accept objects as prototypes";
+        }
+        mergeObjects(phantom.Casper.prototype, proto);
+    };
+})(phantom);

+/*!
+ * Casper is a navigation utility for PhantomJS.
+ *
+ * Documentation: http://n1k0.github.com/casperjs/
+ * Repository:    http://github.com/n1k0/casperjs
+ *
+ * Copyright (c) 2011 Nicolas Perriault
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a
+ * copy of this software and associated documentation files (the "Software"),
+ * to deal in the Software without restriction, including without limitation
+ * the rights to use, copy, modify, merge, publish, distribute, sublicense,
+ * and/or sell copies of the Software, and to permit persons to whom the
+ * Software is furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included
+ * in all copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
+ * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
+ * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
+ * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
+ * DEALINGS IN THE SOFTWARE.
+ *
+ */
+(function(phantom) {
+    /**
+     * Casper client-side helpers.
+     */
+    phantom.Casper.ClientUtils = function() {
+        /**
+         * Clicks on the DOM element behind the provided selector.
+         *
+         * @param  String  selector        A CSS3 selector to the element to click
+         * @param  Boolean fallbackToHref  Whether to try to relocate to the value of any href attribute (default: true)
+         * @return Boolean
+         */
+        this.click = function(selector, fallbackToHref) {
+            fallbackToHref = typeof fallbackToHref === "undefined" ? true : !!fallbackToHref;
+            var elem = this.findOne(selector);
+            if (!elem) {
+                return false;
+            }
+            var evt = document.createEvent("MouseEvents");
+            evt.initMouseEvent("click", true, true, window, 1, 1, 1, 1, 1, false, false, false, false, 0, elem);
+            if (elem.dispatchEvent(evt)) {
+                return true;
+            }
+            if (fallbackToHref && elem.hasAttribute('href')) {
+                document.location = elem.getAttribute('href');
+                return true;
+            }
+            return false;
+        };
+
+        /**
+         * Base64 encodes a string, even binary ones. Succeeds where
+         * window.btoa() fails.
+         *
+         * @param  String  str
+         * @return string
+         */
+        this.encode = function(str) {
+            var CHARS = "ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789+/";
+            var out = "", i = 0, len = str.length, c1, c2, c3;
+            while (i < len) {
+                c1 = str.charCodeAt(i++) & 0xff;
+                if (i == len) {
+                    out += CHARS.charAt(c1 >> 2);
+                    out += CHARS.charAt((c1 & 0x3) << 4);
+                    out += "==";
+                    break;
+                }
+                c2 = str.charCodeAt(i++);
+                if (i == len) {
+                    out += CHARS.charAt(c1 >> 2);
+                    out += CHARS.charAt(((c1 & 0x3)<< 4) | ((c2 & 0xF0) >> 4));
+                    out += CHARS.charAt((c2 & 0xF) << 2);
+                    out += "=";
+                    break;
+                }
+                c3 = str.charCodeAt(i++);
+                out += CHARS.charAt(c1 >> 2);
+                out += CHARS.charAt(((c1 & 0x3) << 4) | ((c2 & 0xF0) >> 4));
+                out += CHARS.charAt(((c2 & 0xF) << 2) | ((c3 & 0xC0) >> 6));
+                out += CHARS.charAt(c3 & 0x3F);
+            }
+            return out;
+        };
+
+        /**
+         * Checks if a given DOM element exists in remote page.
+         *
+         * @param  String  selector  CSS3 selector
+         * @return Boolean
+         */
+        this.exists = function(selector) {
+            try {
+                return document.querySelectorAll(selector).length > 0;
+            } catch (e) {
+                return false;
+            }
+        };
+
+        /**
+         * Checks if a given DOM element is visible in remote page.
+         *
+         * @param  String  selector  CSS3 selector
+         * @return Boolean
+         */
+        this.visible = function(selector) {
+            try {
+                var el = document.querySelector(selector);
+                return el && el.style.visibility !== 'hidden' && el.offsetHeight > 0 && el.offsetWidth > 0;
+            } catch (e) {
+                return false;
+            }
+        };
+
+        /**
+         * Fetches innerText within the element(s) matching a given CSS3
+         * selector.
+         *
+         * @param  String  selector  A CSS3 selector
+         * @return String
+         */
+        this.fetchText = function(selector) {
+            var text = '', elements = this.findAll(selector);
+            if (elements && elements.length) {
+                Array.prototype.forEach.call(elements, function(element) {
+                    text += element.innerText;
+                });
+            }
+            return text;
+        };
+
+        /**
+         * Fills a form with provided field values, and optionnaly submits it.
+         *
+         * @param  HTMLElement|String  form    A form element, or a CSS3 selector to a form element
+         * @param  Object              vals    Field values
+         * @return Object                      An object containing setting result for each field, including file uploads
+         */
+        this.fill = function(form, vals) {
+            var out = {
+                errors: [],
+                fields: [],
+                files:  []
+            };
+            if (!(form instanceof HTMLElement) || typeof form === "string") {
+                __utils__.log("attempting to fetch form element from selector: '" + form + "'", "info");
+                try {
+                    form = document.querySelector(form);
+                } catch (e) {
+                    if (e.name === "SYNTAX_ERR") {
+                        out.errors.push("invalid form selector provided: '" + form + "'");
+                        return out;
+                    }
+                }
+            }
+            if (!form) {
+                out.errors.push("form not found");
+                return out;
+            }
+            for (var name in vals) {
+                if (!vals.hasOwnProperty(name)) {
+                    continue;
+                }
+                var field = form.querySelectorAll('[name="' + name + '"]');
+                var value = vals[name];
+                if (!field) {
+                    out.errors.push('no field named "' + name + '" in form');
+                    continue;
+                }
+                try {
+                    out.fields[name] = this.setField(field, value);
+                } catch (err) {
+                    if (err.name === "FileUploadError") {
+                        out.files.push({
+                            name: name,
+                            path: err.path
+                        });
+                    } else {
+                        this.log(err, "error");
+                        throw err;
+                    }
+                }
+            }
+            return out;
+        };
+
+        /**
+         * Finds all DOM elements matching by the provided selector.
+         *
+         * @param  String  selector  CSS3 selector
+         * @return NodeList|undefined
+         */
+        this.findAll = function(selector) {
+            try {
+                return document.querySelectorAll(selector);
+            } catch (e) {
+                this.log('findAll(): invalid selector provided "' + selector + '":' + e, "error");
+            }
+        };
+
+        /**
+         * Finds a DOM element by the provided selector.
+         *
+         * @param  String  selector  CSS3 selector
+         * @return HTMLElement|undefined
+         */
+        this.findOne = function(selector) {
+            try {
+                return document.querySelector(selector);
+            } catch (e) {
+                this.log('findOne(): invalid selector provided "' + selector + '":' + e, "errors");
+            }
+        };
+
+        /**
+         * Downloads a resource behind an url and returns its base64-encoded
+         * contents.
+         *
+         * @param  String  url  The resource url
+         * @return String       Base64 contents string
+         */
+        this.getBase64 = function(url) {
+            return this.encode(this.getBinary(url));
+        };
+
+        /**
+         * Retrieves string contents from a binary file behind an url. Silently
+         * fails but log errors.
+         *
+         * @param  String  url
+         * @return string
+         */
+        this.getBinary = function(url) {
+            try {
+                var xhr = new XMLHttpRequest();
+                xhr.open("GET", url, false);
+                xhr.overrideMimeType("text/plain; charset=x-user-defined");
+                xhr.send(null);
+                return xhr.responseText;
+            } catch (e) {
+                if (e.name === "NETWORK_ERR" && e.code === 101) {
+                    this.log("unfortunately, casperjs cannot make cross domain ajax requests", "warning");
+                }
+                this.log("error while fetching " + url + ": " + e, "error");
+                return "";
+            }
+        };
+
+        /**
+         * Logs a message.
+         *
+         * @param  String  message
+         * @param  String  level
+         */
+        this.log = function(message, level) {
+            console.log("[casper:" + (level || "debug") + "] " + message);
+        };
+
+        /**
+         * Sets a field (or a set of fields) value. Fails silently, but log
+         * error messages.
+         *
+         * @param  HTMLElement|NodeList  field  One or more element defining a field
+         * @param  mixed                 value  The field value to set
+         */
+        this.setField = function(field, value) {
+            var fields, out;
+            value = value || "";
+            if (field instanceof NodeList) {
+                fields = field;
+                field = fields[0];
+            }
+            if (!field instanceof HTMLElement) {
+                this.log("invalid field type; only HTMLElement and NodeList are supported", "error");
+            }
+            this.log('set "' + field.getAttribute('name') + '" field value to ' + value, "debug");
+            try {
+                field.focus();
+            } catch (e) {
+                __utils__.log("Unable to focus() input field " + field.getAttribute('name') + ": " + e, "warning");
+            }
+            var nodeName = field.nodeName.toLowerCase();
+            switch (nodeName) {
+                case "input":
+                    var type = field.getAttribute('type') || "text";
+                    switch (type.toLowerCase()) {
+                        case "color":
+                        case "date":
+                        case "datetime":
+                        case "datetime-local":
+                        case "email":
+                        case "hidden":
+                        case "month":
+                        case "number":
+                        case "password":
+                        case "range":
+                        case "search":
+                        case "tel":
+                        case "text":
+                        case "time":
+                        case "url":
+                        case "week":
+                            field.value = value;
+                            break;
+                        case "checkbox":
+                            if (fields.length > 1) {
+                                var values = value;
+                                if (!Array.isArray(values)) {
+                                    values = [values];
+                                }
+                                Array.prototype.forEach.call(fields, function(f) {
+                                    f.checked = values.indexOf(f.value) !== -1 ? true : false;
+                                });
+                            } else {
+                                field.checked = value ? true : false;
+                            }
+                            break;
+                        case "file":
+                            throw {
+                                name:    "FileUploadError",
+                                message: "file field must be filled using page.uploadFile",
+                                path:    value
+                            };
+                        case "radio":
+                            if (fields) {
+                                Array.prototype.forEach.call(fields, function(e) {
+                                    e.checked = (e.value === value);
+                                });
+                            } else {
+                                out = 'provided radio elements are empty';
+                            }
+                            break;
+                        default:
+                            out = "unsupported input field type: " + type;
+                            break;
+                    }
+                    break;
+                case "select":
+                case "textarea":
+                    field.value = value;
+                    break;
+                default:
+                    out = 'unsupported field type: ' + nodeName;
+                    break;
+            }
+            try {
+                field.blur();
+            } catch (err) {
+                __utils__.log("Unable to blur() input field " + field.getAttribute('name') + ": " + err, "warning");
+            }
+            return out;
+        };
+    };
+})(phantom);
\ No newline at end of file

+/*!
+ * Casper is a navigation utility for PhantomJS.
+ *
+ * Documentation: http://n1k0.github.com/casperjs/
+ * Repository:    http://github.com/n1k0/casperjs
+ *
+ * Copyright (c) 2011 Nicolas Perriault
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a
+ * copy of this software and associated documentation files (the "Software"),
+ * to deal in the Software without restriction, including without limitation
+ * the rights to use, copy, modify, merge, publish, distribute, sublicense,
+ * and/or sell copies of the Software, and to permit persons to whom the
+ * Software is furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included
+ * in all copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
+ * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
+ * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
+ * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
+ * DEALINGS IN THE SOFTWARE.
+ *
+ */
+(function(phantom){
+    /**
+     * This is a port of lime colorizer.
+     * http://trac.symfony-project.org/browser/tools/lime/trunk/lib/lime.php)
+     *
+     * (c) Fabien Potencier, Symfony project, MIT license
+     */
+    phantom.Casper.Colorizer = function() {
+        var options    = { bold: 1, underscore: 4, blink: 5, reverse: 7, conceal: 8 };
+        var foreground = { black: 30, red: 31, green: 32, yellow: 33, blue: 34, magenta: 35, cyan: 36, white: 37 };
+        var background = { black: 40, red: 41, green: 42, yellow: 43, blue: 44, magenta: 45, cyan: 46, white: 47 };
+        var styles     = {
+            'ERROR':     { bg: 'red', fg: 'white', bold: true },
+            'INFO':      { fg: 'green', bold: true },
+            'TRACE':     { fg: 'green', bold: true },
+            'PARAMETER': { fg: 'cyan' },
+            'COMMENT':   { fg: 'yellow' },
+            'WARNING':   { fg: 'red', bold: true },
+            'GREEN_BAR': { fg: 'white', bg: 'green', bold: true },
+            'RED_BAR':   { fg: 'white', bg: 'red', bold: true },
+            'INFO_BAR':  { fg: 'cyan', bold: true }
+        };
+
+        /**
+         * Adds a style to provided text.
+         *
+         * @params  String  text
+         * @params  String  styleName
+         * @return  String
+         */
+        this.colorize = function(text, styleName) {
+            if (styleName in styles) {
+                return this.format(text, styles[styleName]);
+            }
+            return text;
+        };
+
+        /**
+         * Formats a text using a style declaration object.
+         *
+         * @param  String  text
+         * @param  Object  style
+         * @return String
+         */
+        this.format = function(text, style) {
+            if (typeof style !== "object") {
+                return text;
+            }
+            var codes = [];
+            if (style.fg && foreground[style.fg]) {
+                codes.push(foreground[style.fg]);
+            }
+            if (style.bg && background[style.bg]) {
+                codes.push(background[style.bg]);
+            }
+            for (var option in options) {
+                if (style[option] === true) {
+                    codes.push(options[option]);
+                }
+            }
+            return "\033[" + codes.join(';') + 'm' + text + "\033[0m";
+        };
+    };
+})(phantom);
\ No newline at end of file

+/*!
+ * Casper is a navigation utility for PhantomJS.
+ *
+ * Documentation: http://n1k0.github.com/casperjs/
+ * Repository:    http://github.com/n1k0/casperjs
+ *
+ * Copyright (c) 2011 Nicolas Perriault
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a
+ * copy of this software and associated documentation files (the "Software"),
+ * to deal in the Software without restriction, including without limitation
+ * the rights to use, copy, modify, merge, publish, distribute, sublicense,
+ * and/or sell copies of the Software, and to permit persons to whom the
+ * Software is furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included
+ * in all copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
+ * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
+ * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
+ * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
+ * DEALINGS IN THE SOFTWARE.
+ *
+ */
+(function(phantom) {
+    /**
+     * Function argument injector.
+     *
+     */
+    phantom.Casper.FunctionArgsInjector = function(fn) {
+        if (!isType(fn, "function")) {
+            throw "FunctionArgsInjector() can only process functions";
+        }
+        this.fn = fn;
+
+        this.extract = function(fn) {
+            var match = /^function\s?(\w+)?\s?\((.*)\)\s?\{([\s\S]*)\}/i.exec(fn.toString().trim());
+            if (match && match.length > 1) {
+                var args = match[2].split(',').map(function(arg) {
+                    return arg.replace(new RegExp(/\/\*+.*\*\//ig), "").trim();
+                }).filter(function(arg) {
+                    return arg;
+                }) || [];
+                return {
+                    name: match[1] ? match[1].trim() : null,
+                    args: args,
+                    body: match[3] ? match[3].trim() : ''
+                };
+            }
+        };
+
+        this.process = function(values) {
+            var fnObj = this.extract(this.fn);
+            if (!isType(fnObj, "object")) {
+                throw "Unable to process function " + this.fn.toString();
+            }
+            var inject = this.getArgsInjectionString(fnObj.args, values);
+            return 'function ' + (fnObj.name || '') + '(){' + inject + fnObj.body + '}';
+        };
+
+        this.getArgsInjectionString = function(args, values) {
+            values = typeof values === "object" ? values : {};
+            var jsonValues = escape(encodeURIComponent(JSON.stringify(values)));
+            var inject = [
+                'var __casper_params__ = JSON.parse(decodeURIComponent(unescape(\'' + jsonValues + '\')));'
+            ];
+            args.forEach(function(arg) {
+                if (arg in values) {
+                    inject.push('var ' + arg + '=__casper_params__["' + arg + '"];');
+                }
+            });
+            return inject.join('\n') + '\n';
+        };
+    };
+})(phantom);
\ No newline at end of file

+/*!
+ * Casper is a navigation utility for PhantomJS.
+ *
+ * Documentation: http://n1k0.github.com/casperjs/
+ * Repository:    http://github.com/n1k0/casperjs
+ *
+ * Copyright (c) 2011 Nicolas Perriault
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a
+ * copy of this software and associated documentation files (the "Software"),
+ * to deal in the Software without restriction, including without limitation
+ * the rights to use, copy, modify, merge, publish, distribute, sublicense,
+ * and/or sell copies of the Software, and to permit persons to whom the
+ * Software is furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included
+ * in all copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
+ * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
+ * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
+ * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
+ * DEALINGS IN THE SOFTWARE.
+ *
+ */
+(function(phantom) {
+    /**
+     * Casper tester: makes assertions, stores test results and display then.
+     *
+     */
+    phantom.Casper.Tester = function(casper, options) {
+        this.options = isType(options, "object") ? options : {};
+        if (!casper instanceof phantom.Casper) {
+            throw "phantom.Casper.Tester needs a phantom.Casper instance";
+        }
+
+        // locals
+        var exporter = new phantom.Casper.XUnitExporter();
+        var PASS = this.options.PASS || "PASS";
+        var FAIL = this.options.FAIL || "FAIL";
+
+        function compareArrays(a, b) {
+            if (a.length !== b.length) {
+                return false;
+            }
+            a.forEach(function(item, i) {
+                if (isType(item, "array") && !compareArrays(item, b[i])) {
+                    return false;
+                }
+                if (item !== b[i]) {
+                    return false;
+                }
+            });
+            return true;
+        }
+
+        // properties
+        this.testResults = {
+            passed: 0,
+            failed: 0
+        };
+
+        // methods
+        /**
+         * Asserts a condition resolves to true.
+         *
+         * @param  Boolean  condition
+         * @param  String   message    Test description
+         */
+        this.assert = function(condition, message) {
+            var status = PASS;
+            if (condition === true) {
+                style = 'INFO';
+                this.testResults.passed++;
+                exporter.addSuccess("unknown", message);
+            } else {
+                status = FAIL;
+                style = 'RED_BAR';
+                this.testResults.failed++;
+                exporter.addFailure("unknown", message, 'test failed', "assert");
+            }
+            casper.echo([this.colorize(status, style), this.formatMessage(message)].join(' '));
+        };
+
+        /**
+         * Asserts that two values are strictly equals.
+         *
+         * @param  Mixed   testValue  The value to test
+         * @param  Mixed   expected   The expected value
+         * @param  String  message    Test description
+         */
+        this.assertEquals = function(testValue, expected, message) {
+            if (this.testEquals(testValue, expected)) {
+                casper.echo(this.colorize(PASS, 'INFO') + ' ' + this.formatMessage(message));
+                this.testResults.passed++;
+                exporter.addSuccess("unknown", message);
+            } else {
+                casper.echo(this.colorize(FAIL, 'RED_BAR') + ' ' + this.formatMessage(message, 'WARNING'));
+                this.comment('   got:      ' + testValue);
+                this.comment('   expected: ' + expected);
+                this.testResults.failed++;
+                exporter.addFailure("unknown", message, "test failed; expected: " + expected + "; got: " + testValue, "assertEquals");
+            }
+        };
+
+        /**
+         * Asserts that a code evaluation in remote DOM resolves to true.
+         *
+         * @param  Function  fn         A function to be evaluated in remote DOM
+         * @param  String    message    Test description
+         */
+        this.assertEval = function(fn, message) {
+            return this.assert(casper.evaluate(fn), message);
+        };
+
+        /**
+         * Asserts that the result of a code evaluation in remote DOM equals
+         * an expected value.
+         *
+         * @param  Function fn         The function to be evaluated in remote DOM
+         * @param  Boolean  expected   The expected value
+         * @param  String   message    Test description
+         */
+        this.assertEvalEquals = function(fn, expected, message) {
+            return this.assertEquals(casper.evaluate(fn), expected, message);
+        };
+
+        /**
+         * Asserts that an element matching the provided CSS3 selector exists in
+         * remote DOM.
+         *
+         * @param  String   selector   CSS3 selectore
+         * @param  String   message    Test description
+         */
+        this.assertExists = function(selector, message) {
+            return this.assert(casper.exists(selector), message);
+        };
+
+        /**
+         * Asserts that a provided string matches a provided RegExp pattern.
+         *
+         * @param  String   subject    The string to test
+         * @param  RegExp   pattern    A RegExp object instance
+         * @param  String   message    Test description
+         */
+        this.assertMatch = function(subject, pattern, message) {
+            if (pattern.test(subject)) {
+                casper.echo(this.colorize(PASS, 'INFO') + ' ' + this.formatMessage(message));
+                this.testResults.passed++;
+                exporter.addSuccess("unknown", message);
+            } else {
+                casper.echo(this.colorize(FAIL, 'RED_BAR') + ' ' + this.formatMessage(message, 'WARNING'));
+                this.comment('   subject: ' + subject);
+                this.comment('   pattern: ' + pattern.toString());
+                this.testResults.failed++;
+                exporter.addFailure("unknown", message, "test failed; subject: " + subject + "; pattern: " + pattern.toString(), "assertMatch");
+            }
+        };
+
+        /**
+         * Asserts a condition resolves to false.
+         *
+         * @param  Boolean  condition
+         * @param  String   message    Test description
+         */
+        this.assertNot = function(condition, message) {
+            return this.assert(!condition, message);
+        };
+
+        /**
+         * Asserts that the provided function called with the given parameters
+         * will raise an exception.
+         *
+         * @param  Function  fn       The function to test
+         * @param  Array     args     The arguments to pass to the function
+         * @param  String    message  Test description
+         */
+        this.assertRaises = function(fn, args, message) {
+            try {
+                fn.apply(null, args);
+                this.fail(message);
+            } catch (e) {
+                this.pass(message);
+            }
+        };
+
+        /**
+         * Asserts that at least an element matching the provided CSS3 selector
+         * exists in remote DOM.
+         *
+         * @param  String   selector   A CSS3 selector string
+         * @param  String   message    Test description
+         */
+        this.assertSelectorExists = function(selector, message) {
+            return this.assert(this.exists(selector), message);
+        };
+
+        /**
+         * Asserts that title of the remote page equals to the expected one.
+         *
+         * @param  String  expected   The expected title string
+         * @param  String  message    Test description
+         */
+        this.assertTitle = function(expected, message) {
+            return this.assertEquals(casper.getTitle(), expected, message);
+        };
+
+        /**
+         * Asserts that the provided input is of the given type.
+         *
+         * @param  mixed   input    The value to test
+         * @param  String  type     The javascript type name
+         * @param  String  message  Test description
+         */
+        this.assertType = function(input, type, message) {
+            return this.assertEquals(betterTypeOf(input), type, message);
+        };
+
+        /**
+         * Asserts that a the current page url matches the provided RegExp
+         * pattern.
+         *
+         * @param  RegExp   pattern    A RegExp object instance
+         * @param  String   message    Test description
+         */
+        this.assertUrlMatch = function(pattern, message) {
+            return this.assertMatch(casper.getCurrentUrl(), pattern, message);
+        };
+
+        /**
+         * Render a colorized output. Basically a proxy method for
+         * Casper.Colorizer#colorize()
+         */
+        this.colorize = function(message, style) {
+            return casper.colorizer.colorize(message, style);
+        };
+
+        /**
+         * Writes a comment-style formatted message to stdout.
+         *
+         * @param  String  message
+         */
+        this.comment = function(message) {
+            casper.echo('# ' + message, 'COMMENT');
+        };
+
+        /**
+         * Tests equality between the two passed arguments.
+         *
+         * @param  Mixed  v1
+         * @param  Mixed  v2
+         * @param  Boolean
+         */
+        this.testEquals = function(v1, v2) {
+            if (betterTypeOf(v1) !== betterTypeOf(v2)) {
+                return false;
+            }
+            if (isType(v1, "function")) {
+                return v1.toString() === v2.toString();
+            }
+            if (v1 instanceof Object && v2 instanceof Object) {
+                if (Object.keys(v1).length !== Object.keys(v2).length) {
+                    return false;
+                }
+                for (var k in v1) {
+                    if (!this.testEquals(v1[k], v2[k])) {
+                        return false;
+                    }
+                }
+                return true;
+            }
+            return v1 === v2;
+        };
+
+        /**
+         * Writes an error-style formatted message to stdout.
+         *
+         * @param  String  message
+         */
+        this.error = function(message) {
+            casper.echo(message, 'ERROR');
+        };
+
+        /**
+         * Adds a failed test entry to the stack.
+         *
+         * @param  String  message
+         */
+        this.fail = function(message) {
+            this.assert(false, message);
+        };
+
+        /**
+         * Formats a message to highlight some parts of it.
+         *
+         * @param  String  message
+         * @param  String  style
+         */
+        this.formatMessage = function(message, style) {
+            var parts = /([a-z0-9_\.]+\(\))(.*)/i.exec(message);
+            if (!parts) {
+                return message;
+            }
+            return this.colorize(parts[1], 'PARAMETER') + this.colorize(parts[2], style);
+        };
+
+        /**
+         * Writes an info-style formatted message to stdout.
+         *
+         * @param  String  message
+         */
+        this.info = function(message) {
+            casper.echo(message, 'PARAMETER');
+        };
+
+        /**
+         * Adds a successful test entry to the stack.
+         *
+         * @param  String  message
+         */
+        this.pass = function(message) {
+            this.assert(true, message);
+        };
+
+        /**
+         * Render tests results, an optionnaly exit phantomjs.
+         *
+         * @param  Boolean  exit
+         */
+        this.renderResults = function(exit, status, save) {
+            save = isType(save, "string") ? save : this.options.save;
+            var total = this.testResults.passed + this.testResults.failed, statusText, style, result;
+            if (this.testResults.failed > 0) {
+                statusText = FAIL;
+                style = 'RED_BAR';
+            } else {
+                statusText = PASS;
+                style = 'GREEN_BAR';
+            }
+            result = statusText + ' ' + total + ' tests executed, ' + this.testResults.passed + ' passed, ' + this.testResults.failed + ' failed.';
+            if (result.length < 80) {
+                result += new Array(80 - result.length + 1).join(' ');
+            }
+            casper.echo(this.colorize(result, style));
+            if (save && isType(require, "function")) {
+                try {
+                    require('fs').write(save, exporter.getXML(), 'w');
+                    casper.echo('result log stored in ' + save, 'INFO');
+                } catch (e) {
+                    casper.echo('unable to write results to ' + save + '; ' + e, 'ERROR');
+                }
+            }
+            if (exit === true) {
+                casper.exit(status || 0);
+            }
+        };
+    };
+})(phantom);
\ No newline at end of file

+/*!
+ * Casper is a navigation utility for PhantomJS.
+ *
+ * Documentation: http://n1k0.github.com/casperjs/
+ * Repository:    http://github.com/n1k0/casperjs
+ *
+ * Copyright (c) 2011 Nicolas Perriault
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a
+ * copy of this software and associated documentation files (the "Software"),
+ * to deal in the Software without restriction, including without limitation
+ * the rights to use, copy, modify, merge, publish, distribute, sublicense,
+ * and/or sell copies of the Software, and to permit persons to whom the
+ * Software is furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included
+ * in all copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
+ * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
+ * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
+ * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
+ * DEALINGS IN THE SOFTWARE.
+ *
+ */
+
+/**
+ * Provides a better typeof operator equivalent, able to retrieve the array
+ * type.
+ *
+ * @param  mixed  input
+ * @return String
+ * @see    http://javascriptweblog.wordpress.com/2011/08/08/fixing-the-javascript-typeof-operator/
+ */
+function betterTypeOf(input) {
+    try {
+        return Object.prototype.toString.call(input).match(/^\[object\s(.*)\]$/)[1].toLowerCase();
+    } catch (e) {
+        return typeof input;
+    }
+}
+
+/**
+ * Creates a new WebPage instance for Casper use.
+ *
+ * @param  Casper  casper  A Casper instance
+ * @return WebPage
+ */
+function createPage(casper) {
+    var page;
+    if (phantom.version.major <= 1 && phantom.version.minor < 3 && isType(require, "function")) {
+        page = new WebPage();
+    } else {
+        page = require('webpage').create();
+    }
+    page.onAlert = function(message) {
+        casper.log('[alert] ' + message, "info", "remote");
+        if (isType(casper.options.onAlert, "function")) {
+            casper.options.onAlert.call(casper, casper, message);
+        }
+    };
+    page.onConsoleMessage = function(msg) {
+        var level = "info", test = /^\[casper:(\w+)\]\s?(.*)/.exec(msg);
+        if (test && test.length === 3) {
+            level = test[1];
+            msg = test[2];
+        }
+        casper.log(msg, level, "remote");
+    };
+    page.onLoadStarted = function() {
+        casper.loadInProgress = true;
+    };
+    page.onLoadFinished = function(status) {
+        if (status !== "success") {
+            var message = 'Loading resource failed with status=' + status;
+            if (casper.currentHTTPStatus) {
+                message += ' (HTTP ' + casper.currentHTTPStatus + ')';
+            }
+            message += ': ' + casper.requestUrl;
+            casper.log(message, "warning");
+            if (isType(casper.options.onLoadError, "function")) {
+                casper.options.onLoadError.call(casper, casper, casper.requestUrl, status);
+            }
+        }
+        if (casper.options.clientScripts) {
+            if (betterTypeOf(casper.options.clientScripts) !== "array") {
+                casper.log("The clientScripts option must be an array", "error");
+            } else {
+                for (var i = 0; i < casper.options.clientScripts.length; i++) {
+                    var script = casper.options.clientScripts[i];
+                    if (casper.page.injectJs(script)) {
+                        casper.log('Automatically injected ' + script + ' client side', "debug");
+                    } else {
+                        casper.log('Failed injecting ' + script + ' client side', "warning");
+                    }
+                }
+            }
+        }
+        // Client-side utils injection
+        var injected = page.evaluate(replaceFunctionPlaceholders(function() {
+            eval("var ClientUtils = " + decodeURIComponent("%utils%"));
+            __utils__ = new ClientUtils();
+            return __utils__ instanceof ClientUtils;
+        }, {
+            utils: encodeURIComponent(phantom.Casper.ClientUtils.toString())
+        }));
+        if (!injected) {
+            casper.log("Failed to inject Casper client-side utilities!", "warning");
+        } else {
+            casper.log("Successfully injected Casper client-side utilities", "debug");
+        }
+        // history
+        casper.history.push(casper.getCurrentUrl());
+        casper.loadInProgress = false;
+    };
+    page.onResourceReceived = function(resource) {
+        if (isType(casper.options.onResourceReceived, "function")) {
+            casper.options.onResourceReceived.call(casper, casper, resource);
+        }
+        if (resource.url === casper.requestUrl && resource.stage === "start") {
+            casper.currentHTTPStatus = resource.status;
+            if (isType(casper.options.httpStatusHandlers, "object") && resource.status in casper.options.httpStatusHandlers) {
+                casper.options.httpStatusHandlers[resource.status](casper, resource);
+            }
+            casper.currentUrl = resource.url;
+        }
+    };
+    page.onResourceRequested = function(request) {
+        if (isType(casper.options.onResourceRequested, "function")) {
+            casper.options.onResourceRequested.call(casper, casper, request);
+        }
+    };
+    return page;
+}
+
+/**
+ * Shorthands for checking if a value is of the given type. Can check for
+ * arrays.
+ *
+ * @param  mixed   what      The value to check
+ * @param  String  typeName  The type name ("string", "number", "function", etc.)
+ * @return Boolean
+ */
+function isType(what, typeName) {
+    return betterTypeOf(what) === typeName;
+}
+
+/**
+ * Checks if the provided var is a WebPage instance
+ *
+ * @param  mixed  what
+ * @return Boolean
+ */
+function isWebPage(what) {
+    if (!what || !isType(what, "object")) {
+        return false;
+    }
+    if (phantom.version.major <= 1 && phantom.version.minor < 3 && isType(require, "function")) {
+        return what instanceof WebPage;
+    } else {
+        return what.toString().indexOf('WebPage(') === 0;
+    }
+}
+
+/**
+ * Object recursive merging utility.
+ *
+ * @param  Object  obj1  the destination object
+ * @param  Object  obj2  the source object
+ * @return Object
+ */
+function mergeObjects(obj1, obj2) {
+    for (var p in obj2) {
+        try {
+            if (obj2[p].constructor == Object) {
+                obj1[p] = mergeObjects(obj1[p], obj2[p]);
+            } else {
+                obj1[p] = obj2[p];
+            }
+        } catch(e) {
+          obj1[p] = obj2[p];
+        }
+    }
+    return obj1;
+}
+
+/**
+ * Replaces a function string contents with placeholders provided by an
+ * Object.
+ *
+ * @param  Function  fn            The function
+ * @param  Object    replacements  Object containing placeholder replacements
+ * @return String                  A function string representation
+ */
+function replaceFunctionPlaceholders(fn, replacements) {
+    if (replacements && isType(replacements, "object")) {
+        fn = fn.toString();
+        for (var placeholder in replacements) {
+            var match = '%' + placeholder + '%';
+            do {
+                fn = fn.replace(match, replacements[placeholder]);
+            } while(fn.indexOf(match) !== -1);
+        }
+    }
+    return fn;
+}

+/*!
+ * Casper is a navigation utility for PhantomJS.
+ *
+ * Documentation: http://n1k0.github.com/casperjs/
+ * Repository:    http://github.com/n1k0/casperjs
+ *
+ * Copyright (c) 2011 Nicolas Perriault
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a
+ * copy of this software and associated documentation files (the "Software"),
+ * to deal in the Software without restriction, including without limitation
+ * the rights to use, copy, modify, merge, publish, distribute, sublicense,
+ * and/or sell copies of the Software, and to permit persons to whom the
+ * Software is furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included
+ * in all copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
+ * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
+ * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
+ * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
+ * DEALINGS IN THE SOFTWARE.
+ *
+ */
+(function(phantom) {
+    /**
+     * JUnit XML (xUnit) exporter for test results.
+     *
+     */
+    phantom.Casper.XUnitExporter = function() {
+        var node = function(name, attributes) {
+            var node = document.createElement(name);
+            for (var attrName in attributes) {
+                var value = attributes[attrName];
+                if (attributes.hasOwnProperty(attrName) && isType(attrName, "string")) {
+                    node.setAttribute(attrName, value);
+                }
+            }
+            return node;
+        };
+
+        var xml = node('testsuite');
+        xml.toString = function() {
+            return this.outerHTML; // ouch
+        };
+
+        /**
+         * Adds a successful test result
+         *
+         * @param  String  classname
+         * @param  String  name
+         */
+        this.addSuccess = function(classname, name) {
+            xml.appendChild(node('testcase', {
+                classname: classname,
+                name:      name
+            }));
+        };
+
+        /**
+         * Adds a failed test result
+         *
+         * @param  String  classname
+         * @param  String  name
+         * @param  String  message
+         * @param  String  type
+         */
+        this.addFailure = function(classname, name, message, type) {
+            var fnode = node('testcase', {
+                classname: classname,
+                name:      name
+            });
+            var failure = node('failure', {
+                type: type || "unknown"
+            });
+            failure.appendChild(document.createTextNode(message || "no message left"));
+            fnode.appendChild(failure);
+            xml.appendChild(fnode);
+        };
+
+        /**
+         * Retrieves generated XML object - actually an HTMLElement.
+         *
+         * @return HTMLElement
+         */
+        this.getXML = function() {
+            return xml;
+        };
+    };
+})(phantom);
\ No newline at end of file