# Yahoo! UI Library

### test 3.0.0

Yahoo! UI Library > test > TestManager.js (source view)
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        Y.namespace("Test");

        /**
         * Runs pages containing test suite definitions.
         * @namespace Test
         * @class Manager
         * @static
         */
        Y.Test.Manager = {

            /**
             * Constant for the testpagebegin custom event
             * @property TEST_PAGE_BEGIN_EVENT
             * @static
             * @type string
             * @final
             */
            TEST_PAGE_BEGIN_EVENT : "testpagebegin",

            /**
             * Constant for the testpagecomplete custom event
             * @property TEST_PAGE_COMPLETE_EVENT
             * @static
             * @type string
             * @final
             */
            TEST_PAGE_COMPLETE_EVENT : "testpagecomplete",

            /**
             * Constant for the testmanagerbegin custom event
             * @property TEST_MANAGER_BEGIN_EVENT
             * @static
             * @type string
             * @final
             */
            TEST_MANAGER_BEGIN_EVENT : "testmanagerbegin",

            /**
             * Constant for the testmanagercomplete custom event
             * @property TEST_MANAGER_COMPLETE_EVENT
             * @static
             * @type string
             * @final
             */
            TEST_MANAGER_COMPLETE_EVENT : "testmanagercomplete",

            //-------------------------------------------------------------------------
            // Private Properties
            //-------------------------------------------------------------------------

            /**
             * The URL of the page currently being executed.
             * @type String
             * @private
             * @property _curPage
             * @static
             */
            _curPage : null,

            /**
             * The frame used to load and run tests.
             * @type Window
             * @private
             * @property _frame
             * @static
             */
            _frame : null,

            /**
             * The logger used to output results from the various tests.
             * @type YAHOO.tool.TestLogger
             * @private
             * @property _logger
             * @static
             */
            _logger : null,

            /**
             * The timeout ID for the next iteration through the tests.
             * @type int
             * @private
             * @property _timeoutId
             * @static
             */
            _timeoutId : 0,

            /**
             * Array of pages to load.
             * @type String[]
             * @private
             * @property _pages
             * @static
             */
            _pages : [],

            /**
             * Aggregated results
             * @type Object
             * @private
             * @property _results
             * @static
             */
            _results: null,

            //-------------------------------------------------------------------------
            // Private Methods
            //-------------------------------------------------------------------------

            /**
             * Handles TestRunner.COMPLETE_EVENT, storing the results and beginning
             * the loop again.
             * @param {Object} data Data about the event.
             * @return {Void}
             * @private
             * @static
             */
            _handleTestRunnerComplete : function (data) {

                this.fireEvent(this.TEST_PAGE_COMPLETE_EVENT, {
                        page: this._curPage,
                        results: data.results
                    });

                //save results
                //this._results[this.curPage] = data.results;

                //process 'em
                this._processResults(this._curPage, data.results);

                this._logger.clearTestRunner();

                //if there's more to do, set a timeout to begin again
                if (this._pages.length){
                    this._timeoutId = setTimeout(function(){
                        YAHOO.tool.TestManager._run();
                    }, 1000);
                } else {
                    this.fireEvent(this.TEST_MANAGER_COMPLETE_EVENT, this._results);
                }
            },

            /**
             * Processes the results of a test page run, outputting log messages
             * for failed tests.
             * @return {Void}
             * @private
             * @static
             */
            _processResults : function (page, results) {

                var r = this._results;

                r.passed += results.passed;
                r.failed += results.failed;
                r.ignored += results.ignored;
                r.total += results.total;

                if (results.failed){
                    r.failedPages.push(page);
                } else {
                    r.passedPages.push(page);
                }

                results.name = page;
                results.type = "page";

                r[page] = results;
            },

            /**
             * Loads the next test page into the iframe.
             * @return {Void}
             * @static
             * @private
             */
            _run : function () {

                //set the current page
                this._curPage = this._pages.shift();

                this.fireEvent(this.TEST_PAGE_BEGIN_EVENT, this._curPage);

                //load the frame - destroy history in case there are other iframes that
                //need testing
                this._frame.location.replace(this._curPage);

            },

            //-------------------------------------------------------------------------
            // Public Methods
            //-------------------------------------------------------------------------

            /**
             * Signals that a test page has been loaded. This should be called from
             * within the test page itself to notify the TestManager that it is ready.
             * @return {Void}
             * @static
             */
            load : function () {
                if (parent.YAHOO.tool.TestManager !== this){
                    parent.YAHOO.tool.TestManager.load();
                } else {

                    if (this._frame) {
                        //assign event handling
                        var TestRunner = this._frame.YAHOO.tool.TestRunner;

                        this._logger.setTestRunner(TestRunner);
                        TestRunner.subscribe(TestRunner.COMPLETE_EVENT, this._handleTestRunnerComplete, this, true);

                        //run it
                        TestRunner.run();
                    }
                }
            },

            /**
             * Sets the pages to be loaded.
             * @param {String[]} pages An array of URLs to load.
             * @return {Void}
             * @static
             */
            setPages : function (pages) {
                this._pages = pages;
            },

            /**
             * Begins the process of running the tests.
             * @return {Void}
             * @static
             */
            start : function () {

                if (!this._initialized) {

                    /**
                     * Fires when loading a test page
                     * @event testpagebegin
                     * @param curPage {string} the page being loaded
                     * @static
                     */
                    this.createEvent(this.TEST_PAGE_BEGIN_EVENT);

                    /**
                     * Fires when a test page is complete
                     * @event testpagecomplete
                     * @param obj {page: string, results: object} the name of the
                     * page that was loaded, and the test suite results
                     * @static
                     */
                    this.createEvent(this.TEST_PAGE_COMPLETE_EVENT);

                    /**
                     * Fires when the test manager starts running all test pages
                     * @event testmanagerbegin
                     * @static
                     */
                    this.createEvent(this.TEST_MANAGER_BEGIN_EVENT);

                    /**
                     * Fires when the test manager finishes running all test pages.  External
                     * test runners should subscribe to this event in order to get the
                     * aggregated test results.
                     * @event testmanagercomplete
                     * @param obj { pages_passed: int, pages_failed: int, tests_passed: int
                     *              tests_failed: int, passed: string[], failed: string[],
                     *              page_results: {} }
                     * @static
                     */
                    this.createEvent(this.TEST_MANAGER_COMPLETE_EVENT);

                    //create iframe if not already available
                    if (!this._frame){
                        var frame = document.createElement("iframe");
                        frame.style.visibility = "hidden";
                        frame.style.position = "absolute";
                        document.body.appendChild(frame);
                        this._frame = frame.contentWindow || frame.contentDocument.parentWindow;
                    }

                    //create test logger if not already available
                    //if (!this._logger){
                    //    this._logger = new YAHOO.tool.TestLogger();
                    //}

                    this._initialized = true;
                }

                // reset the results cache
                this._results = {

                    passed: 0,
                    failed: 0,
                    ignored: 0,
                    total: 0,
                    type: "report",
                    name: "YUI Test Results",
                    failedPages:[],
                    passedPages:[]
                    /*
                    // number of pages that pass
                    pages_passed: 0,
                    // number of pages that fail
                    pages_failed: 0,
                    // total number of tests passed
                    tests_passed: 0,
                    // total number of tests failed
                    tests_failed: 0,
                    // array of pages that passed
                    passed: [],
                    // array of pages that failed
                    failed: [],
                    // map of full results for each page
                    page_results: {}*/
                };

                this.fireEvent(this.TEST_MANAGER_BEGIN_EVENT, null);
                this._run();

            },

            /**
             * Stops the execution of tests.
             * @return {Void}
             * @static
             */
            stop : function () {
                clearTimeout(this._timeoutId);
            }

        };

        Y.mix(Y.Test.Manager, Y.Event.Target.prototype);

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