# Yahoo! UI Library

### yuitest 2.8.1

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

    //-----------------------------------------------------------------------------
    // TestCase object
    //-----------------------------------------------------------------------------
    (function(){

        //used for autogenerating test case names
        var tempId = 0;

        /**
         * Test case containing various tests to run.
         * @param template An object containing any number of test methods, other methods,
         *                 an optional name, and anything else the test case needs.
         * @class TestCase
         * @namespace YAHOO.tool
         * @constructor
         */
        YAHOO.tool.TestCase = function (template /*:Object*/) {

            /**
             * Special rules for the test case. Possible subobjects
             * are fail, for tests that should fail, and error, for
             * tests that should throw an error.
             */
            this._should /*:Object*/ = {};

            //copy over all properties from the template to this object
            for (var prop in template) {
                this[prop] = template[prop];
            }

            //check for a valid name
            if (!YAHOO.lang.isString(this.name)){
                /**
                 * Name for the test case.
                 */
                this.name /*:String*/ = "testCase" + (tempId++);
            }

        };

        YAHOO.tool.TestCase.prototype = {

            /**
             * Resumes a paused test and runs the given function.
             * @param {Function} segment (Optional) The function to run.
             *      If omitted, the test automatically passes.
             * @return {Void}
             * @method resume
             */
            resume : function (segment /*:Function*/) /*:Void*/ {
                YAHOO.tool.TestRunner.resume(segment);
            },

            /**
             * Causes the test case to wait a specified amount of time and then
             * continue executing the given code.
             * @param {Function} segment (Optional) The function to run after the delay.
             *      If omitted, the TestRunner will wait until resume() is called.
             * @param {int} delay (Optional) The number of milliseconds to wait before running
             *      the function. If omitted, defaults to zero.
             * @return {Void}
             * @method wait
             */
            wait : function (segment /*:Function*/, delay /*:int*/) /*:Void*/{
                var args = arguments;
                if (YAHOO.lang.isFunction(args[0])){
                    throw new YAHOO.tool.TestCase.Wait(args[0], args[1]);
                } else {
                    throw new YAHOO.tool.TestCase.Wait(function(){
                        YAHOO.util.Assert.fail("Timeout: wait() called but resume() never called.");
                    }, (YAHOO.lang.isNumber(args[0]) ? args[0] : 10000));
                }
            },

            //-------------------------------------------------------------------------
            // Stub Methods
            //-------------------------------------------------------------------------

            /**
             * Function to run before each test is executed.
             * @return {Void}
             * @method setUp
             */
            setUp : function () /*:Void*/ {
            },

            /**
             * Function to run after each test is executed.
             * @return {Void}
             * @method tearDown
             */
            tearDown: function () /*:Void*/ {
            }
        };

        /**
         * Represents a stoppage in test execution to wait for an amount of time before
         * continuing.
         * @param {Function} segment A function to run when the wait is over.
         * @param {int} delay The number of milliseconds to wait before running the code.
         * @class Wait
         * @namespace YAHOO.tool.TestCase
         * @constructor
         *
         */
        YAHOO.tool.TestCase.Wait = function (segment /*:Function*/, delay /*:int*/) {

            /**
             * The segment of code to run when the wait is over.
             * @type Function
             * @property segment
             */
            this.segment /*:Function*/ = (YAHOO.lang.isFunction(segment) ? segment : null);

            /**
             * The delay before running the segment of code.
             * @type int
             * @property delay
             */
            this.delay /*:int*/ = (YAHOO.lang.isNumber(delay) ? delay : 0);

        };

    })();

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