yuitest_core-debug.js

这是YUI的源码及相关示例。里面有很多很炫的Javascript效果。

            this.TEST_SUITE_BEGIN_EVENT,
            this.TEST_SUITE_COMPLETE_EVENT,
            this.TEST_PASS_EVENT,
            this.TEST_FAIL_EVENT,
            this.TEST_IGNORE_EVENT,
            this.COMPLETE_EVENT,
            this.BEGIN_EVENT
        ];
        for (var i=0; i < events.length; i++){
            this.createEvent(events[i], { scope: this });
        }       
   
    }
    
    YAHOO.lang.extend(TestRunner, YAHOO.util.EventProvider, {
    
        //-------------------------------------------------------------------------
        // Constants
        //-------------------------------------------------------------------------
         
        /**
         * Fires when a test case is opened but before the first 
         * test is executed.
         * @event testcasebegin
         */         
        TEST_CASE_BEGIN_EVENT /*:String*/ : "testcasebegin",
        
        /**
         * Fires when all tests in a test case have been executed.
         * @event testcasecomplete
         */        
        TEST_CASE_COMPLETE_EVENT /*:String*/ : "testcasecomplete",
        
        /**
         * Fires when a test suite is opened but before the first 
         * test is executed.
         * @event testsuitebegin
         */        
        TEST_SUITE_BEGIN_EVENT /*:String*/ : "testsuitebegin",
        
        /**
         * Fires when all test cases in a test suite have been
         * completed.
         * @event testsuitecomplete
         */        
        TEST_SUITE_COMPLETE_EVENT /*:String*/ : "testsuitecomplete",
        
        /**
         * Fires when a test has passed.
         * @event pass
         */        
        TEST_PASS_EVENT /*:String*/ : "pass",
        
        /**
         * Fires when a test has failed.
         * @event fail
         */        
        TEST_FAIL_EVENT /*:String*/ : "fail",
        
        /**
         * Fires when a test has been ignored.
         * @event ignore
         */        
        TEST_IGNORE_EVENT /*:String*/ : "ignore",
        
        /**
         * Fires when all test suites and test cases have been completed.
         * @event complete
         */        
        COMPLETE_EVENT /*:String*/ : "complete",
        
        /**
         * Fires when the run() method is called.
         * @event begin
         */        
        BEGIN_EVENT /*:String*/ : "begin",    
        
        //-------------------------------------------------------------------------
        // Test Tree-Related Methods
        //-------------------------------------------------------------------------

        /**
         * Adds a test case to the test tree as a child of the specified node.
         * @param {TestNode} parentNode The node to add the test case to as a child.
         * @param {YAHOO.tool.TestCase} testCase The test case to add.
         * @return {Void}
         * @static
         * @private
         * @method _addTestCaseToTestTree
         */
       _addTestCaseToTestTree : function (parentNode /*:TestNode*/, testCase /*:YAHOO.tool.TestCase*/) /*:Void*/{
            
            //add the test suite
            var node = parentNode.appendChild(testCase);
            
            //iterate over the items in the test case
            for (var prop in testCase){
                if (prop.indexOf("test") === 0 && YAHOO.lang.isFunction(testCase[prop])){
                    node.appendChild(prop);
                }
            }
         
        },
        
        /**
         * Adds a test suite to the test tree as a child of the specified node.
         * @param {TestNode} parentNode The node to add the test suite to as a child.
         * @param {YAHOO.tool.TestSuite} testSuite The test suite to add.
         * @return {Void}
         * @static
         * @private
         * @method _addTestSuiteToTestTree
         */
        _addTestSuiteToTestTree : function (parentNode /*:TestNode*/, testSuite /*:YAHOO.tool.TestSuite*/) /*:Void*/ {
            
            //add the test suite
            var node = parentNode.appendChild(testSuite);
            
            //iterate over the items in the master suite
            for (var i=0; i < testSuite.items.length; i++){
                if (testSuite.items[i] instanceof YAHOO.tool.TestSuite) {
                    this._addTestSuiteToTestTree(node, testSuite.items[i]);
                } else if (testSuite.items[i] instanceof YAHOO.tool.TestCase) {
                    this._addTestCaseToTestTree(node, testSuite.items[i]);
                }                   
            }            
        },
        
        /**
         * Builds the test tree based on items in the master suite. The tree is a hierarchical
         * representation of the test suites, test cases, and test functions. The resulting tree
         * is stored in _root and the pointer _cur is set to the root initially.
         * @return {Void}
         * @static
         * @private
         * @method _buildTestTree
         */
        _buildTestTree : function () /*:Void*/ {
        
            this._root = new TestNode(this.masterSuite);
            this._cur = this._root;
            
            //iterate over the items in the master suite
            for (var i=0; i < this.masterSuite.items.length; i++){
                if (this.masterSuite.items[i] instanceof YAHOO.tool.TestSuite) {
                    this._addTestSuiteToTestTree(this._root, this.masterSuite.items[i]);
                } else if (this.masterSuite.items[i] instanceof YAHOO.tool.TestCase) {
                    this._addTestCaseToTestTree(this._root, this.masterSuite.items[i]);
                }                   
            }            
        
        }, 
    
        //-------------------------------------------------------------------------
        // Private Methods
        //-------------------------------------------------------------------------
        
        /**
         * Handles the completion of a test object's tests. Tallies test results 
         * from one level up to the next.
         * @param {TestNode} node The TestNode representing the test object.
         * @return {Void}
         * @method _handleTestObjectComplete
         * @private
         * @static
         */
        _handleTestObjectComplete : function (node /*:TestNode*/) /*:Void*/ {
            if (YAHOO.lang.isObject(node.testObject)){
                node.parent.results.passed += node.results.passed;
                node.parent.results.failed += node.results.failed;
                node.parent.results.total += node.results.total;                
                node.parent.results.ignored += node.results.ignored;                
                node.parent.results[node.testObject.name] = node.results;
            
                if (node.testObject instanceof YAHOO.tool.TestSuite){
                    node.testObject.tearDown();
                    this.fireEvent(this.TEST_SUITE_COMPLETE_EVENT, { testSuite: node.testObject, results: node.results});
                } else if (node.testObject instanceof YAHOO.tool.TestCase){
                    this.fireEvent(this.TEST_CASE_COMPLETE_EVENT, { testCase: node.testObject, results: node.results});
                }      
            } 
        },                
        
        //-------------------------------------------------------------------------
        // Navigation Methods
        //-------------------------------------------------------------------------
        
        /**
         * Retrieves the next node in the test tree.
         * @return {TestNode} The next node in the test tree or null if the end is reached.
         * @private
         * @static
         * @method _next
         */
        _next : function () /*:TestNode*/ {
        
            if (this._cur.firstChild) {
                this._cur = this._cur.firstChild;
            } else if (this._cur.next) {
                this._cur = this._cur.next;            
            } else {
                while (this._cur && !this._cur.next && this._cur !== this._root){
                    this._handleTestObjectComplete(this._cur);
                    this._cur = this._cur.parent;
                }
                
                if (this._cur == this._root){
                    this._cur.results.type = "report";
                    this._cur.results.timestamp = (new Date()).toLocaleString();
                    this._cur.results.duration = (new Date()) - this._cur.results.duration;
                    this.fireEvent(this.COMPLETE_EVENT, { results: this._cur.results});
                    this._cur = null;
                } else {
                    this._handleTestObjectComplete(this._cur);               
                    this._cur = this._cur.next;                
                }
            }
        
            return this._cur;
        },
        
        /**
         * Runs a test case or test suite, returning the results.
         * @param {YAHOO.tool.TestCase|YAHOO.tool.TestSuite} testObject The test case or test suite to run.
         * @return {Object} Results of the execution with properties passed, failed, and total.
         * @private
         * @method _run
         * @static
         */
        _run : function () /*:Void*/ {
        
            //flag to indicate if the TestRunner should wait before continuing
            var shouldWait /*:Boolean*/ = false;
            
            //get the next test node
            var node = this._next();
            
            if (node !== null) {
                var testObject = node.testObject;
                
                //figure out what to do
                if (YAHOO.lang.isObject(testObject)){
                    if (testObject instanceof YAHOO.tool.TestSuite){
                        this.fireEvent(this.TEST_SUITE_BEGIN_EVENT, { testSuite: testObject });
                        testObject.setUp();
                    } else if (testObject instanceof YAHOO.tool.TestCase){
                        this.fireEvent(this.TEST_CASE_BEGIN_EVENT, { testCase: testObject });
                    }
                    
                    //some environments don't support setTimeout
                    if (typeof setTimeout != "undefined"){                    
                        setTimeout(function(){
                            YAHOO.tool.TestRunner._run();
                        }, 0);
                    } else {
                        this._run();
                    }
                } else {
                    this._runTest(node);
                }

            }
        },
        
        _resumeTest : function (segment /*:Function*/) /*:Void*/ {
        
            //get relevant information
            var node /*:TestNode*/ = this._cur;
            var testName /*:String*/ = node.testObject;
            var testCase /*:YAHOO.tool.TestCase*/ = node.parent.testObject;
            
            //cancel other waits if available
            if (testCase.__yui_wait){
                clearTimeout(testCase.__yui_wait);
                delete testCase.__yui_wait;
            }            
            
            //get the "should" test cases
            var shouldFail /*:Object*/ = (testCase._should.fail || {})[testName];
            var shouldError /*:Object*/ = (testCase._should.error || {})[testName];
            
            //variable to hold whether or not the test failed
            var failed /*:Boolean*/ = false;
            var error /*:Error*/ = null;
                
            //try the test
            try {
            
                //run the test
                segment.apply(testCase);
                
                //if it should fail, and it got here, then it's a fail because it didn't
                if (shouldFail){
                    error = new YAHOO.util.ShouldFail();
                    failed = true;
                } else if (shouldError){
                    error = new YAHOO.util.ShouldError();
                    failed = true;
                }
                           
            } catch (thrown /*:Error*/){
                if (thrown instanceof YAHOO.util.AssertionError) {
                    if (!shouldFail){
                        error = thrown;
                        failed = true;
                    }
                } else if (thrown instanceof YAHOO.tool.TestCase.Wait){
                
                    if (YAHOO.lang.isFunction(thrown.segment)){
                        if (YAHOO.lang.isNumber(thrown.delay)){
                        
                            //some environments don't support setTimeout
                            if (typeof setTimeout != "undefined"){
                                testCase.__yui_wait = setTimeout(function(){
                                    YAHOO.tool.TestRunner._resumeTest(thrown.segment);
                                }, thrown.delay);                             
                            } else {
                                throw new Error("Asynchronous tests not supported in this environment.");
                            }
                        }
                    }
                    
                    return;
                
                } else {
                    //first check to see if it should error
                    if (!shouldError) {                        
                        error = new YAHOO.util.UnexpectedError(thrown);
                        failed = true;
                    } else {
                        //check to see what type of data we have
                        if (YAHOO.lang.isString(shouldError)){
                            
                            //if it's a string, check the error message
                            if (thrown.message != shouldError){
                                error = new YAHOO.util.UnexpectedError(thrown);
                                failed = true;                                    
                            }
                        } else if (YAHOO.lang.isFunction(shouldError)){
                        
                            //if it's a function, see if the error is an instance of it
                            if (!(thrown instanceof shouldError)){
                                error = new YAHOO.util.UnexpectedError(thrown);
                                failed = true;
                            }
                        
                        } else if (YAHOO.lang.isObject(shouldError)){
                        
                            //if it's an object, check the instance and message
                            if (!(thrown instanceof shouldError.constructor) || 
                                    thrown.message != shouldError.message){
                                error = new YAHOO.util.UnexpectedError(thrown);
                                failed = true;                                    
                            }
                        
                        }
                    
                    }
                }
                
            }
            
            //fireEvent appropriate event