Initial import selenium functional test framework.

1 files changed, 996 insertions, 0 deletions

diff --git a/tests/FunctionalTests/selenium/selenium-browserbot.js b/tests/FunctionalTests/selenium/selenium-browserbot.js
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+++ b/tests/FunctionalTests/selenium/selenium-browserbot.js
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+/*
+* Copyright 2004 ThoughtWorks, Inc
+*
+*  Licensed under the Apache License, Version 2.0 (the "License");
+*  you may not use this file except in compliance with the License.
+*  You may obtain a copy of the License at
+*
+*      http://www.apache.org/licenses/LICENSE-2.0
+*
+*  Unless required by applicable law or agreed to in writing, software
+*  distributed under the License is distributed on an "AS IS" BASIS,
+*  WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+*  See the License for the specific language governing permissions and
+*  limitations under the License.
+*
+*/
+
+/*
+* This script provides the Javascript API to drive the test application contained within
+* a Browser Window.
+* TODO:
+*    Add support for more events (keyboard and mouse)
+*    Allow to switch "user-entry" mode from mouse-based to keyboard-based, firing different
+*          events in different modes.
+*/
+
+// The window to which the commands will be sent.  For example, to click on a
+// popup window, first select that window, and then do a normal click command.
+
+
+// Although it's generally better web development practice not to use browser-detection
+// (feature detection is better), the subtle browser differences that Selenium has to
+// work around seem to make it necessary. Maybe as we learn more about what we need,
+// we can do this in a more "feature-centric" rather than "browser-centric" way.
+// TODO we should probably reuse an available browser-detection library
+var browserName=navigator.appName;
+var isIE = (browserName =="Microsoft Internet Explorer");
+var isKonqueror = (browserName == "Konqueror");
+var isSafari = (navigator.userAgent.indexOf('Safari') != -1);
+
+// Get the Gecko version as an 8 digit date.
+var geckoResult = /^Mozilla\/5\.0 .*Gecko\/(\d{8}).*$/.exec(navigator.userAgent);
+var geckoVersion = geckoResult == null ? null : geckoResult[1];
+
+BrowserBot = function(frame) {
+    this.frame = frame;
+    this.currentPage = null;
+    this.currentWindowName = null;
+
+    this.modalDialogTest = null;
+    this.recordedAlerts = new Array();
+    this.recordedConfirmations = new Array();
+    this.recordedPrompts = new Array();
+    this.openedWindows = {};
+    this.nextConfirmResult = true;
+    this.nextPromptResult = '';
+    this.newPageLoaded = false;
+
+    var self = this;
+    this.recordPageLoad = function() {
+        LOG.debug("Page load detected, location=" + self.getCurrentWindow().location);
+        self.currentPage = null;
+        self.newPageLoaded = true;
+    };
+
+    this.isNewPageLoaded = function() {
+        return self.newPageLoaded;
+    };
+};
+
+BrowserBot.createForFrame = function(frame) {
+    var browserbot;
+    if (isIE) {
+        browserbot = new IEBrowserBot(frame);
+    }
+    else if (isKonqueror) {
+        browserbot = new KonquerorBrowserBot(frame);
+    }
+    else if (isSafari) {
+        browserbot = new SafariBrowserBot(frame);
+    }
+    else {
+        // Use mozilla by default
+        browserbot = new MozillaBrowserBot(frame);
+    }
+
+    // Modify the test IFrame so that page loads are detected.
+    addLoadListener(browserbot.getFrame(), browserbot.recordPageLoad);
+    return browserbot;
+};
+
+BrowserBot.prototype.doModalDialogTest = function(test) {
+    this.modalDialogTest = test;
+};
+
+BrowserBot.prototype.cancelNextConfirmation = function() {
+    this.nextConfirmResult = false;
+};
+
+BrowserBot.prototype.setNextPromptResult = function(result) {
+    this.nextPromptResult = result;
+};
+
+BrowserBot.prototype.hasAlerts = function() {
+    return (this.recordedAlerts.length > 0) ;
+};
+
+BrowserBot.prototype.getNextAlert = function() {
+    return this.recordedAlerts.shift();
+};
+
+BrowserBot.prototype.hasConfirmations = function() {
+    return (this.recordedConfirmations.length > 0) ;
+};
+
+BrowserBot.prototype.getNextConfirmation = function() {
+    return this.recordedConfirmations.shift();
+};
+
+BrowserBot.prototype.hasPrompts = function() {
+    return (this.recordedPrompts.length > 0) ;
+};
+
+BrowserBot.prototype.getNextPrompt = function() {
+    return this.recordedPrompts.shift();
+};
+
+BrowserBot.prototype.getFrame = function() {
+    return this.frame;
+};
+
+BrowserBot.prototype.selectWindow = function(target) {
+    // we've moved to a new page - clear the current one
+    this.currentPage = null;
+    this.currentWindowName = null;
+    if (target && target != "null") {
+        // If window exists
+        if (this.getTargetWindow(target)) {
+            this.currentWindowName = target;
+        }
+    }
+};
+
+BrowserBot.prototype.openLocation = function(target) {
+    // We're moving to a new page - clear the current one
+    this.currentPage = null;
+    this.newPageLoaded = false;
+
+    this.setIFrameLocation(this.getFrame(), target);
+};
+
+BrowserBot.prototype.setIFrameLocation = function(iframe, location) {
+    iframe.src = location;
+};
+
+BrowserBot.prototype.getCurrentPage = function() {
+    if (this.currentPage == null) {
+        var testWindow = this.getCurrentWindow();
+        this.modifyWindowToRecordPopUpDialogs(testWindow, this);
+        this.modifySeparateTestWindowToDetectPageLoads(testWindow);
+        this.currentPage = PageBot.createForWindow(testWindow);
+        this.newPageLoaded = false;
+    }
+
+    return this.currentPage;
+};
+
+BrowserBot.prototype.modifyWindowToRecordPopUpDialogs = function(windowToModify, browserBot) {
+    windowToModify.alert = function(alert) {
+        browserBot.recordedAlerts.push(alert);
+    };
+
+    windowToModify.confirm = function(message) {
+        browserBot.recordedConfirmations.push(message);
+        var result = browserBot.nextConfirmResult;
+        browserBot.nextConfirmResult = true;
+        return result;
+    };
+
+    windowToModify.prompt = function(message) {
+        browserBot.recordedPrompts.push(message);
+        var result = !browserBot.nextConfirmResult ? null : browserBot.nextPromptResult;
+        browserBot.nextConfirmResult = true;
+        browserBot.nextPromptResult = '';
+        return result;
+    };
+
+    // Keep a reference to all popup windows by name
+    // note that in IE the "windowName" argument must be a valid javascript identifier, it seems.
+    var originalOpen = windowToModify.open;
+    windowToModify.open = function(url, windowName, windowFeatures, replaceFlag) {
+        var openedWindow = originalOpen(url, windowName, windowFeatures, replaceFlag);
+        selenium.browserbot.openedWindows[windowName] = openedWindow;
+        return openedWindow;
+    };
+};
+
+/**
+ * The main IFrame has a single, long-lived onload handler that clears
+ * Browserbot.currentPage and sets the "newPageLoaded" flag. For separate
+ * windows, we need to attach a handler each time. This uses the
+ * "callOnWindowPageTransition" mechanism, which is implemented differently
+ * for different browsers.
+ */
+BrowserBot.prototype.modifySeparateTestWindowToDetectPageLoads = function(windowToModify) {
+    if (this.currentWindowName != null) {
+        this.callOnWindowPageTransition(this.recordPageLoad, windowToModify);
+    }
+};
+
+/**
+ * Call the supplied function when a the current page unloads and a new one loads.
+ * This is done with an "unload" handler which attaches a "load" handler.
+ */
+BrowserBot.prototype.callOnWindowPageTransition = function(loadFunction, windowObject) {
+    var attachLoadListener = function() {
+        if (windowObject && !windowObject.closed) {
+            addLoadListener(windowObject, loadFunction);
+        }
+    };
+
+    var unloadFunction = function() {
+        window.setTimeout(attachLoadListener, 0);
+    };
+    addUnloadListener(windowObject, unloadFunction);
+};
+
+BrowserBot.prototype.getContentWindow = function() {
+    return this.getFrame().contentWindow || frames[this.getFrame().id];
+};
+
+BrowserBot.prototype.getTargetWindow = function(windowName) {
+    LOG.debug("getTargetWindow(" + windowName + ")");
+    // First look in the map of opened windows
+    var targetWindow = this.openedWindows[windowName];
+    if (!targetWindow) {
+        var evalString = "this.getContentWindow().window." + windowName;
+        targetWindow = eval(evalString);
+    }
+    if (!targetWindow) {
+        throw new SeleniumError("Window does not exist");
+    }
+    return targetWindow;
+};
+
+BrowserBot.prototype.getCurrentWindow = function() {
+    var testWindow = this.getContentWindow().window;
+    if (this.currentWindowName != null) {
+        testWindow = this.getTargetWindow(this.currentWindowName);
+    }
+    return testWindow;
+};
+
+function MozillaBrowserBot(frame) {
+    BrowserBot.call(this, frame);
+}
+MozillaBrowserBot.prototype = new BrowserBot;
+
+function KonquerorBrowserBot(frame) {
+    BrowserBot.call(this, frame);
+}
+KonquerorBrowserBot.prototype = new BrowserBot;
+
+KonquerorBrowserBot.prototype.setIFrameLocation = function(iframe, location) {
+    // Window doesn't fire onload event when setting src to the current value,
+    // so we set it to blank first.
+    iframe.src = "about:blank";
+    iframe.src = location;
+};
+
+/**
+ * Call the supplied function when a the current page unloads and a new one loads.
+ * This is done by polling continuously until the document changes and is fully loaded.
+ */
+KonquerorBrowserBot.prototype.callOnWindowPageTransition = function(loadFunction, windowObject) {
+    // Since the unload event doesn't fire in Safari 1.3, we start polling immediately
+    // This works in Konqueror as well
+    if (windowObject && !windowObject.closed) {
+        LOG.debug("Starting pollForLoad");
+        this.pollForLoad(loadFunction, windowObject, windowObject.document);
+    }
+};
+
+/**
+ * For Konqueror (and Safari), we can't catch the onload event for a separate window (as opposed to an IFrame)
+ * So we set up a polling timer that will keep checking the readyState of the document until it's complete.
+ * Since we might call this before the original page is unloaded, we check to see that the completed document
+ * is different from the original one.
+ */
+KonquerorBrowserBot.prototype.pollForLoad = function(loadFunction, windowObject, originalDocument) {
+    if (windowObject.closed) {
+        return;
+    }
+
+    var sameDoc = (originalDocument === windowObject.document);
+    var rs = windowObject.document.readyState;
+
+    if (!sameDoc && rs == 'complete') {
+        LOG.debug("pollForLoad complete: " + rs + " (" + sameDoc + ")");
+        loadFunction();
+        return;
+    }
+    var self = this;
+    LOG.debug("pollForLoad continue");
+    window.setTimeout(function() {self.pollForLoad(loadFunction, windowObject, originalDocument);}, 500);
+};
+
+function SafariBrowserBot(frame) {
+    BrowserBot.call(this, frame);
+}
+SafariBrowserBot.prototype = new BrowserBot;
+
+SafariBrowserBot.prototype.setIFrameLocation = KonquerorBrowserBot.prototype.setIFrameLocation;
+SafariBrowserBot.prototype.callOnWindowPageTransition = KonquerorBrowserBot.prototype.callOnWindowPageTransition;
+SafariBrowserBot.prototype.pollForLoad = KonquerorBrowserBot.prototype.pollForLoad;
+
+function IEBrowserBot(frame) {
+    BrowserBot.call(this, frame);
+}
+IEBrowserBot.prototype = new BrowserBot;
+IEBrowserBot.prototype.callOnWindowPageTransition = KonquerorBrowserBot.prototype.callOnWindowPageTransition;
+IEBrowserBot.prototype.pollForLoad = KonquerorBrowserBot.prototype.pollForLoad;
+
+IEBrowserBot.prototype.modifyWindowToRecordPopUpDialogs = function(windowToModify, browserBot) {
+    BrowserBot.prototype.modifyWindowToRecordPopUpDialogs(windowToModify, browserBot);
+
+    // we will call the previous version of this method from within our own interception
+    oldShowModalDialog = windowToModify.showModalDialog;
+
+    windowToModify.showModalDialog = function(url, args, features) {
+        // Get relative directory to where TestRunner.html lives
+        // A risky assumption is that the user's TestRunner is named TestRunner.html
+        var doc_location = document.location.toString();
+        var end_of_base_ref = doc_location.indexOf('TestRunner.html');
+        var base_ref = doc_location.substring(0, end_of_base_ref);
+
+        var fullURL = base_ref + "TestRunner.html?singletest=" + escape(browserBot.modalDialogTest) + "&autoURL=" + escape(url) + "&runInterval=" + runInterval;
+        browserBot.modalDialogTest = null;
+
+        var returnValue = oldShowModalDialog(fullURL, args, features);
+        return returnValue;
+    };
+};
+
+SafariBrowserBot.prototype.modifyWindowToRecordPopUpDialogs = function(windowToModify, browserBot) {
+    BrowserBot.prototype.modifyWindowToRecordPopUpDialogs(windowToModify, browserBot);
+
+    var originalOpen = windowToModify.open;
+    /*
+     * Safari seems to be broken, so that when we manually trigger the onclick method
+     * of a button/href, any window.open calls aren't resolved relative to the app location.
+     * So here we replace the open() method with one that does resolve the url correctly.
+     */
+    windowToModify.open = function(url, windowName, windowFeatures, replaceFlag) {
+
+        if (url.startsWith("http://") || url.startsWith("https://") || url.startsWith("/")) {
+            return originalOpen(url, windowName, windowFeatures, replaceFlag);
+        }
+
+        // Reduce the current path to the directory
+        var currentPath = windowToModify.location.pathname || "/";
+        currentPath = currentPath.replace(/\/[^\/]*$/, "/");
+
+        // Remove any leading "./" from the new url.
+        url = url.replace(/^\.\//, "");
+
+        newUrl = currentPath + url;
+
+        return originalOpen(newUrl, windowName, windowFeatures, replaceFlag);
+    };
+};
+
+PageBot = function(pageWindow) {
+    if (pageWindow) {
+        this.currentWindow = pageWindow;
+        this.currentDocument = pageWindow.document;
+        this.location = pageWindow.location;
+        this.title = function() {return this.currentDocument.title;};
+    }
+
+    // Register all locateElementBy* functions
+    // TODO - don't do this in the constructor - only needed once ever
+    this.locationStrategies = {};
+    for (var functionName in this) {
+        var result = /^locateElementBy([A-Z].+)$/.exec(functionName);
+        if (result != null) {
+            var locatorFunction = this[functionName];
+            if (typeof(locatorFunction) != 'function') {
+                continue;
+            }
+            // Use a specified prefix in preference to one generated from
+            // the function name
+            var locatorPrefix = locatorFunction.prefix || result[1].toLowerCase();
+            this.locationStrategies[locatorPrefix] = locatorFunction;
+        }
+    }
+
+    /**
+     * Find a locator based on a prefix.
+     */
+    this.findElementBy = function(locatorType, locator, inDocument) {
+        var locatorFunction = this.locationStrategies[locatorType];
+        if (! locatorFunction) {
+            throw new SeleniumError("Unrecognised locator type: '" + locatorType + "'");
+        }
+        return locatorFunction.call(this, locator, inDocument);
+    };
+
+    /**
+     * The implicit locator, that is used when no prefix is supplied.
+     */
+    this.locationStrategies['implicit'] = function(locator, inDocument) {
+        if (locator.startsWith('//')) {
+            return this.locateElementByXPath(locator, inDocument);
+        } 
+        if (locator.startsWith('document.')) {
+            return this.locateElementByDomTraversal(locator, inDocument);
+        }
+        return this.locateElementByIdentifier(locator, inDocument);
+    };
+    
+};
+
+PageBot.createForWindow = function(windowObject) {
+    if (isIE) {
+        return new IEPageBot(windowObject);
+    }
+    else if (isKonqueror) {
+        return new KonquerorPageBot(windowObject);
+    }
+    else if (isSafari) {
+        return new SafariPageBot(windowObject);
+    }
+    else {
+        // Use mozilla by default
+        return new MozillaPageBot(windowObject);
+    }
+};
+
+MozillaPageBot = function(pageWindow) {
+    PageBot.call(this, pageWindow);
+};
+MozillaPageBot.prototype = new PageBot();
+
+KonquerorPageBot = function(pageWindow) {
+    PageBot.call(this, pageWindow);
+};
+KonquerorPageBot.prototype = new PageBot();
+
+SafariPageBot = function(pageWindow) {
+    PageBot.call(this, pageWindow);
+};
+SafariPageBot.prototype = new PageBot();
+
+IEPageBot = function(pageWindow) {
+    PageBot.call(this, pageWindow);
+};
+IEPageBot.prototype = new PageBot();
+
+/*
+* Finds an element on the current page, using various lookup protocols
+*/
+PageBot.prototype.findElement = function(locator) {
+    var locatorType = 'implicit';
+    var locatorString = locator;
+    
+    // If there is a locator prefix, use the specified strategy
+    var result = locator.match(/^([A-Za-z]+)=(.+)/);
+    if (result) {
+        locatorType = result[1].toLowerCase();
+        locatorString = result[2];
+    }
+
+    var element = this.findElementBy(locatorType, locatorString, this.currentDocument);
+    if (element != null) {
+        return element;
+    }
+    for (var i = 0; i < this.currentWindow.frames.length; i++) {
+        element = this.findElementBy(locatorType, locatorString, this.currentWindow.frames[i].document);
+        if (element != null) {
+            return element;
+        }
+    }
+
+    // Element was not found by any locator function.
+    throw new SeleniumError("Element " + locator + " not found");
+};
+
+/**
+ * In non-IE browsers, getElementById() does not search by name.  Instead, we
+ * we search separately by id and name.
+ */
+PageBot.prototype.locateElementByIdentifier = function(identifier, inDocument) {
+    return PageBot.prototype.locateElementById(identifier, inDocument)
+            || PageBot.prototype.locateElementByName(identifier, inDocument)
+            || null;
+};
+
+/**
+ * In IE, getElementById() also searches by name - this is an optimisation for IE.
+ */
+IEPageBot.prototype.locateElementByIdentifer = function(identifier, inDocument) {
+    return inDocument.getElementById(identifier);
+};
+
+/**
+ * Find the element with id - can't rely on getElementById, coz it returns by name as well in IE..
+ */
+PageBot.prototype.locateElementById = function(identifier, inDocument) {
+    var element = inDocument.getElementById(identifier);
+    if (element && element.id === identifier) {
+        return element;
+    }
+    else {
+        return null;
+    }
+};
+
+/**
+ * Find an element by name, refined by (optional) element-filter
+ * expressions.
+ */
+PageBot.prototype.locateElementByName = function(locator, document) {
+    var elements = document.getElementsByTagName("*");
+
+    var filters = locator.split(' ');
+    filters[0] = 'name=' + filters[0];
+
+    while (filters.length) {
+        var filter = filters.shift();
+        elements = this.selectElements(filter, elements, 'value');
+    }
+
+    if (elements.length > 0) {
+        return elements[0];
+    }
+    return null;
+};
+
+/**
+* Finds an element using by evaluating the "document.*" string against the
+* current document object. Dom expressions must begin with "document."
+*/
+PageBot.prototype.locateElementByDomTraversal = function(domTraversal, inDocument) {
+    if (domTraversal.indexOf("document.") != 0) {
+        return null;
+    }
+
+    // Trim the leading 'document'
+    domTraversal = domTraversal.substr(9);
+    var locatorScript = "inDocument." + domTraversal;
+    var element = eval(locatorScript);
+
+    if (!element) {
+        return null;
+    }
+
+    return element;
+};
+PageBot.prototype.locateElementByDomTraversal.prefix = "dom";
+
+/**
+* Finds an element identified by the xpath expression. Expressions _must_
+* begin with "//".
+*/
+PageBot.prototype.locateElementByXPath = function(xpath, inDocument) {
+
+    // Trim any trailing "/": not valid xpath, and remains from attribute
+    // locator.
+    if (xpath.charAt(xpath.length - 1) == '/') {
+        xpath = xpath.slice(0, -1);
+    }
+
+    // Handle //tag
+    var match = xpath.match(/^\/\/(\w+|\*)$/); 
+    if (match) {
+        var elements = inDocument.getElementsByTagName(match[1].toUpperCase()); 
+        if (elements == null) return null;
+        return elements[0];
+    }
+
+    // Handle //tag[@attr='value']
+    var match = xpath.match(/^\/\/(\w+|\*)\[@(\w+)=('([^\']+)'|"([^\"]+)")\]$/); 
+    if (match) {
+        return this.findElementByTagNameAndAttributeValue(
+            inDocument,
+            match[1].toUpperCase(),
+            match[2].toLowerCase(),
+            match[3].slice(1, -1)
+        );
+    }
+
+    // Handle //tag[text()='value']
+    var match = xpath.match(/^\/\/(\w+|\*)\[text\(\)=('([^\']+)'|"([^\"]+)")\]$/); 
+    if (match) {
+        return this.findElementByTagNameAndText(
+            inDocument,
+            match[1].toUpperCase(),
+            match[2].slice(1, -1)
+        );
+    }
+
+    return this.findElementUsingFullXPath(xpath, inDocument);
+};
+
+PageBot.prototype.findElementByTagNameAndAttributeValue = function(
+    inDocument, tagName, attributeName, attributeValue
+) {
+    if (isIE && attributeName == "class") {
+        attributeName = "className";
+    }
+    var elements = inDocument.getElementsByTagName(tagName); 
+    for (var i = 0; i < elements.length; i++) { 
+        var elementAttr = elements[i].getAttribute(attributeName); 
+        if (elementAttr == attributeValue) { 
+            return elements[i]; 
+        } 
+    } 
+    return null;
+};
+
+PageBot.prototype.findElementByTagNameAndText = function(
+    inDocument, tagName, text
+) {
+    var elements = inDocument.getElementsByTagName(tagName); 
+    for (var i = 0; i < elements.length; i++) { 
+        if (getText(elements[i]) == text) { 
+            return elements[i]; 
+        } 
+    } 
+    return null;
+};
+
+PageBot.prototype.findElementUsingFullXPath = function(xpath, inDocument) {
+    if (isIE && !inDocument.evaluate) {
+        addXPathSupport(inDocument);
+    }
+
+    // Use document.evaluate() if it's available
+    if (inDocument.evaluate) {
+        return inDocument.evaluate(xpath, inDocument, null, 0, null).iterateNext();
+    }
+
+    // If not, fall back to slower JavaScript implementation
+    var context = new XPathContext();
+    context.expressionContextNode = inDocument;
+    var xpathResult = new XPathParser().parse(xpath).evaluate(context);
+    if (xpathResult && xpathResult.toArray) {
+        return xpathResult.toArray()[0];
+    }
+    return null;
+};
+
+/**
+* Finds a link element with text matching the expression supplied. Expressions must
+* begin with "link:".
+*/
+PageBot.prototype.locateElementByLinkText = function(linkText, inDocument) {
+    var links = inDocument.getElementsByTagName('a');
+    for (var i = 0; i < links.length; i++) {
+        var element = links[i];
+        if (PatternMatcher.matches(linkText, getText(element))) {
+            return element;
+        }
+    }
+    return null;
+};
+PageBot.prototype.locateElementByLinkText.prefix = "link";
+
+/**
+* Returns an attribute based on an attribute locator. This is made up of an element locator
+* suffixed with @attribute-name.
+*/
+PageBot.prototype.findAttribute = function(locator) {
+    // Split into locator + attributeName
+    var attributePos = locator.lastIndexOf("@");
+    var elementLocator = locator.slice(0, attributePos);
+    var attributeName = locator.slice(attributePos + 1);
+
+    // Find the element.
+    var element = this.findElement(elementLocator);
+
+    // Handle missing "class" attribute in IE.
+    if (isIE && attributeName == "class") {
+        attributeName = "className";
+    }
+
+    // Get the attribute value.
+    var attributeValue = element.getAttribute(attributeName);
+
+    return attributeValue ? attributeValue.toString() : null;
+};
+
+/*
+* Select the specified option and trigger the relevant events of the element.
+*/
+PageBot.prototype.selectOption = function(element, option) {
+    triggerEvent(element, 'focus', false);
+    if (!option.selected) {
+        option.selected = true;
+        triggerEvent(element, 'change', true);
+    }
+    triggerEvent(element, 'blur', false);
+};
+
+PageBot.prototype.replaceText = function(element, stringValue) {
+    triggerEvent(element, 'focus', false);
+    triggerEvent(element, 'select', true);
+    element.value=stringValue;
+    triggerEvent(element, 'change', true);
+    triggerEvent(element, 'blur', false);
+};
+
+MozillaPageBot.prototype.clickElement = function(element) {
+
+    triggerEvent(element, 'focus', false);
+
+    // Add an event listener that detects if the default action has been prevented.
+    // (This is caused by a javascript onclick handler returning false)
+    var preventDefault = false;
+    if (geckoVersion) {
+        element.addEventListener("click", function(evt) {preventDefault = evt.getPreventDefault();}, false);
+    }
+
+    // Trigger the click event.
+    triggerMouseEvent(element, 'click', true);
+
+    // In FireFox < 1.0 Final, and Mozilla <= 1.7.3, just sending the click event is enough.
+    // But in newer versions, we need to do it ourselves.
+    var needsProgrammaticClick = (geckoVersion > '20041025');
+    // Perform the link action if preventDefault was set.
+    if (needsProgrammaticClick && !preventDefault) {
+        // Try the element itself, as well as it's parent - this handles clicking images inside links.
+        if (element.href) {
+            this.currentWindow.location.href = element.href;
+        }
+        else if (element.parentNode && element.parentNode.href) {
+            this.currentWindow.location.href = element.parentNode.href;
+        }
+    }
+
+    if (this.windowClosed()) {
+        return;
+    }
+
+    triggerEvent(element, 'blur', false);
+};
+
+KonquerorPageBot.prototype.clickElement = function(element) {
+
+    triggerEvent(element, 'focus', false);
+
+    if (element.click) {
+        element.click();
+    }
+    else {
+        triggerMouseEvent(element, 'click', true);
+    }
+
+    if (this.windowClosed()) {
+        return;
+    }
+
+    triggerEvent(element, 'blur', false);
+};
+
+SafariPageBot.prototype.clickElement = function(element) {
+
+    triggerEvent(element, 'focus', false);
+
+    var wasChecked = element.checked;
+    
+    // For form element it is simple.
+    if (element.click) {
+        element.click();
+    }
+    // For links and other elements, event emulation is required.
+    else {
+        triggerEvent(element, 'click', true);
+
+        // Unfortunately, triggering the event doesn't seem to activate onclick handlers.
+        // We currently call onclick for the link, but I'm guessing that the onclick for containing
+        // elements is not being called.
+        var success = true;
+        if (element.onclick) {
+            var evt = document.createEvent('HTMLEvents');
+            evt.initEvent('click', true, true);
+            var onclickResult = element.onclick(evt);
+            if (onclickResult === false) {
+                success = false;
+            }
+        }
+
+        if (success) {
+            // Try the element itself, as well as it's parent - this handles clicking images inside links.
+            if (element.href) {
+                this.currentWindow.location.href = element.href;
+            }
+            else if (element.parentNode.href) {
+                this.currentWindow.location.href = element.parentNode.href;
+            } else {
+                // This is true for buttons outside of forms, and maybe others.
+                LOG.warn("Ignoring 'click' call for button outside form, or link without href."
+                        + "Using buttons without an enclosing form can cause wierd problems with URL resolution in Safari." );
+                // I implemented special handling for window.open, but unfortunately this behaviour is also displayed
+                // when we have a button without an enclosing form that sets document.location in the onclick handler.
+                // The solution is to always use an enclosing form for a button.
+            }
+        }
+    }
+
+    // Onchange event is not triggered automatically in Safari.
+    if (isDefined(element.checked) && wasChecked != element.checked) {
+        triggerEvent(element, 'change', true);
+    }
+
+    if (this.windowClosed()) {
+        return;
+    }
+
+    triggerEvent(element, 'blur', false);
+};
+
+IEPageBot.prototype.clickElement = function(element) {
+
+    triggerEvent(element, 'focus', false);
+
+    var wasChecked = element.checked;
+
+    // Set a flag that records if the page will unload - this isn't always accurate, because
+    // <a href="javascript:alert('foo'):"> triggers the onbeforeunload event, even thought the page won't unload
+    var pageUnloading = false;
+    var pageUnloadDetector = function() {pageUnloading = true;};
+    this.currentWindow.attachEvent("onbeforeunload", pageUnloadDetector);
+
+    element.click();
+
+    // If the page is going to unload - still attempt to fire any subsequent events.
+    // However, we can't guarantee that the page won't unload half way through, so we need to handle exceptions.
+    try {
+        this.currentWindow.detachEvent("onbeforeunload", pageUnloadDetector);
+
+        if (this.windowClosed()) {
+            return;
+        }
+
+        // Onchange event is not triggered automatically in IE.
+        if (isDefined(element.checked) && wasChecked != element.checked) {
+            triggerEvent(element, 'change', true);
+        }
+
+        triggerEvent(element, 'blur', false);
+    }
+    catch (e) {
+        // If the page is unloading, we may get a "Permission denied" or "Unspecified error".
+        // Just ignore it, because the document may have unloaded.
+        if (pageUnloading) {
+            LOG.warn("Caught exception when firing events on unloading page: " + e.message);
+            return;
+        }
+        throw e;
+    }
+};
+
+PageBot.prototype.windowClosed = function(element) {
+    return this.currentWindow.closed;
+};
+
+PageBot.prototype.bodyText = function() {
+    return getText(this.currentDocument.body);
+};
+
+PageBot.prototype.getAllButtons = function() {
+    var elements = this.currentDocument.getElementsByTagName('input');
+    var result = '';
+
+    for (var i = 0; i < elements.length; i++) {
+        if (elements[i].type == 'button' || elements[i].type == 'submit' || elements[i].type == 'reset') {
+            result += elements[i].id;
+
+            result += ',';
+        }
+    }
+
+    return result;
+};
+
+
+PageBot.prototype.getAllFields = function() {
+    var elements = this.currentDocument.getElementsByTagName('input');
+    var result = '';
+
+    for (var i = 0; i < elements.length; i++) {
+        if (elements[i].type == 'text') {
+            result += elements[i].id;
+
+            result += ',';
+        }
+    }
+
+    return result;
+};
+
+PageBot.prototype.getAllLinks = function() {
+    var elements = this.currentDocument.getElementsByTagName('a');
+    var result = '';
+
+    for (var i = 0; i < elements.length; i++) {
+        result += elements[i].id;
+
+        result += ',';
+    }
+
+    return result;
+};
+
+PageBot.prototype.setContext = function(strContext) {
+     //set the current test title
+    context.innerHTML=strContext;
+};
+
+function isDefined(value) {
+    return typeof(value) != undefined;
+}
+
+PageBot.prototype.goBack = function() {
+    this.currentWindow.history.back();
+};
+
+PageBot.prototype.goForward = function() {
+    this.currentWindow.history.forward();
+};
+
+PageBot.prototype.close = function() {
+    this.currentWindow.close();
+};
+
+/**
+ * Refine a list of elements using a filter.
+ */
+PageBot.prototype.selectElementsBy = function(filterType, filter, elements) {
+    var filterFunction = PageBot.filterFunctions[filterType];
+    if (! filterFunction) {
+        throw new SeleniumError("Unrecognised element-filter type: '" + filterType + "'");
+    }
+
+    return filterFunction(filter, elements);
+};
+
+PageBot.filterFunctions = {}; 
+
+PageBot.filterFunctions.name = function(name, elements) {
+    var selectedElements = [];
+    for (var i = 0; i < elements.length; i++) {
+        if (elements[i].name === name) {
+            selectedElements.push(elements[i]);
+        }
+    }
+    return selectedElements;
+};
+
+PageBot.filterFunctions.value = function(value, elements) {
+    var selectedElements = [];
+    for (var i = 0; i < elements.length; i++) {
+        if (elements[i].value === value) {
+            selectedElements.push(elements[i]);
+        }
+    }
+    return selectedElements;
+};
+
+PageBot.filterFunctions.index = function(index, elements) {
+    index = Number(index);
+    if (isNaN(index) || index < 0) {
+        throw new SeleniumError("Illegal Index: " + index);
+    }
+    if (elements.length <= index) {
+        throw new SeleniumError("Index out of range: " + index);
+    }
+    return [elements[index]];
+};
+
+PageBot.prototype.selectElements = function(filterExpr, elements, defaultFilterType) {    
+
+    var filterType = (defaultFilterType || 'value');
+    
+    // If there is a filter prefix, use the specified strategy
+    var result = filterExpr.match(/^([A-Za-z]+)=(.+)/);
+    if (result) {
+        filterType = result[1].toLowerCase();
+        filterExpr = result[2];
+    }
+
+    return this.selectElementsBy(filterType, filterExpr, elements);
+};
+