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yuitest  2.8.0r4

Yahoo! UI Library > yuitest > TestManager.js (source view)
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YAHOO.namespace("tool");

//-----------------------------------------------------------------------------
// TestManager object
//-----------------------------------------------------------------------------

/**
 * Runs pages containing test suite definitions.
 * @namespace YAHOO.tool
 * @class TestManager
 * @static
 */
YAHOO.tool.TestManager = {

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

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

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

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

    //-------------------------------------------------------------------------
    // Private Properties
    //-------------------------------------------------------------------------
    
    
    /**
     * The URL of the page currently being executed.
     * @type String
     * @private
     * @property _curPage
     * @static
     */
    _curPage /*:String*/ : null,
    
    /**
     * The frame used to load and run tests.
     * @type Window
     * @private
     * @property _frame
     * @static
     */
    _frame /*:Window*/ : 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 /*:int*/ : 0,
    
    /**
     * Array of pages to load.
     * @type String[]
     * @private
     * @property _pages
     * @static
     */
    _pages /*:String[]*/ : [],
    
    /**
     * 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 /*:Object*/) /*:Void*/ {

        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 /*:String*/, results /*:Object*/) /*:Void*/ {

        var r = this._results;
        
        r.passed += results.passed;
        r.failed += results.failed;
        r.ignored += results.ignored;
        r.total += results.total;
        r.duration += results.duration;
        
        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 () /*:Void*/ {
    
        //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 () /*:Void*/ {
        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 /*:String[]*/) /*:Void*/ {
        this._pages = pages;
    },
    
    /**
     * Begins the process of running the tests.
     * @return {Void}
     * @static
     */
    start : function () /*:Void*/ {

        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 /*:HTMLElement*/ = 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",
            duration: 0,
            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 () /*:Void*/ {
        clearTimeout(this._timeoutId);
    }

};

YAHOO.lang.augmentObject(YAHOO.tool.TestManager, YAHOO.util.EventProvider.prototype);

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