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/*
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* Copyright 2004 ThoughtWorks, Inc
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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var Logger = function() {
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this.logWindow = null;
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}
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Logger.prototype = {
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pendingMessages: new Array(),
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setLogLevelThreshold: function(logLevel) {
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this.pendingLogLevelThreshold = logLevel;
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this.show();
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// NOTE: log messages will be discarded until the log window is
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// fully loaded.
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},
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getLogWindow: function() {
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if (this.logWindow && this.logWindow.closed) {
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this.logWindow = null;
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}
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if (this.logWindow && this.pendingLogLevelThreshold && this.logWindow.setThresholdLevel) {
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this.logWindow.setThresholdLevel(this.pendingLogLevelThreshold);
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// can't just directly log because that action would loop back
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// to this code infinitely
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var pendingMessage = new LogMessage("info", "Log level programmatically set to " + this.pendingLogLevelThreshold + " (presumably by driven-mode test code)");
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this.pendingMessages.push(pendingMessage);
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this.pendingLogLevelThreshold = null; // let's only go this way one time
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}
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return this.logWindow;
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},
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openLogWindow: function() {
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this.logWindow = window.open(
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getDocumentBase(document) + "SeleniumLog.html", "SeleniumLog",
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"width=600,height=1000,bottom=0,right=0,status,scrollbars,resizable"
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);
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this.logWindow.moveTo(window.screenX + 1210, window.screenY + window.outerHeight - 1400);
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if (browserVersion.appearsToBeBrokenInitialIE6) {
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// I would really prefer for the message to immediately appear in the log window, the instant the user requests that the log window be
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// visible. But when I initially coded it this way, thou message simply didn't appear unless I stepped through the code with a debugger.
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// So obviously there is some timing issue here which I don't have the patience to figure out.
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var pendingMessage = new LogMessage("warn", "You appear to be running an unpatched IE 6, which is not stable and can crash due to memory problems. We recommend you run Windows update to install a more stable version of IE.");
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this.pendingMessages.push(pendingMessage);
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}
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return this.logWindow;
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},
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show: function() {
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if (! this.getLogWindow()) {
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this.openLogWindow();
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}
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setTimeout(function(){LOG.info("Log window displayed");}, 500);
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},
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logHook: function(className, message) {
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},
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log: function(className, message) {
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var logWindow = this.getLogWindow();
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this.logHook(className, message);
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if (logWindow) {
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if (logWindow.append) {
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if (this.pendingMessages.length > 0) {
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logWindow.append("info: Appending missed logging messages", "info");
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while (this.pendingMessages.length > 0) {
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var msg = this.pendingMessages.shift();
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logWindow.append(msg.type + ": " + msg.msg, msg.type);
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}
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logWindow.append("info: Done appending missed logging messages", "info");
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}
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logWindow.append(className + ": " + message, className);
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}
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} else {
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// uncomment this to turn on background logging
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/* these logging messages are never flushed, which creates
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an enormous array of strings that never stops growing. Only
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turn this on if you need it for debugging! */
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//this.pendingMessages.push(new LogMessage(className, message));
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}
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},
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close: function(message) {
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if (this.logWindow != null) {
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try {
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this.logWindow.close();
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} catch (e) {
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// swallow exception
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// the window is probably closed if we get an exception here
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}
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this.logWindow = null;
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}
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},
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debug: function(message) {
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this.log("debug", message);
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},
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info: function(message) {
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this.log("info", message);
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},
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warn: function(message) {
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this.log("warn", message);
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},
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error: function(message) {
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this.log("error", message);
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},
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exception: function(exception) {
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this.error("Unexpected Exception: " + extractExceptionMessage(exception));
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this.error("Exception details: " + describe(exception, ', '));
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}
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};
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var LOG = new Logger();
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var LogMessage = function(type, msg) {
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this.type = type;
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this.msg = msg;
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}
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