/**

 * @fileOverview

 * @name JsTestrun

 * @author Michael Mathews micmath@gmail.com

 * @url $HeadURL: https://jsdoc-toolkit.googlecode.com/svn/trunk/jsdoc-toolkit/app/frame/Testrun.js $

 * @revision $Id: Testrun.js 418 2008-01-15 21:40:33Z micmath $

 * @license <a href="http://en.wikipedia.org/wiki/MIT_License">X11/MIT License</a>

 *          (See the accompanying README file for full details.)

 */

/**

	Yet another unit testing tool for JavaScript.

	@author Michael Mathews <a href="mailto:micmath@gmail.com">micmath@gmail.com</a>

	@param {object} testCases Properties are testcase names, values are functions to execute as tests.

*/

function testrun(testCases) {

	var ran = 0;

	for (t in testCases) {

		var result = testCases[t]();

		ran++;

	}

	return testrun.reportOut+"-------------------------------\n"+((testrun.fails>0)? ":( Failed "+testrun.fails+"/" : ":) Passed all ")+testrun.count+" test"+((testrun.count == 1)? "":"s")+".\n";

}

testrun.count = 0;

testrun.current = null;

testrun.passes = 0;

testrun.fails = 0;

testrun.reportOut = "";

/** @private */

testrun.report = function(text) {

	testrun.reportOut += text+"\n";

}

/**

	Check if test evaluates to true.

	@param {string} test To be evaluated.

	@param {string} message Optional. To be displayed in the report.

	@return {boolean} True if the string test evaluates to true.

*/

ok = function(test, message) {

	testrun.count++;

	var result;

	try {

		result = eval(test);

		if (result) {

			testrun.passes++;

			testrun.report("    OK "+testrun.count+" - "+((message != null)? message : ""));

		}

		else {

			testrun.fails++;

			testrun.report("NOT OK "+testrun.count+" - "+((message != null)? message : ""));

		}

	}

	catch(e) {

		testrun.fails++

		testrun.report("NOT OK "+testrun.count+" - "+((message != null)? message : ""));

	}

}

/**

	Check if test is same as expected.

	@param {string} test To be evaluated.

	@param {string} expected

	@param {string} message Optional. To be displayed in the report. 

	@return {boolean} True if (test == expected). Note that the comparison is not a strict equality check.

*/

is = function(test, expected, message) {

	testrun.count++;

	var result;

	try {

		result = eval(test);

		if (result == expected) {

			testrun.passes++

			testrun.report("    OK "+testrun.count+" - "+((message != null)? message : ""));

		}

		else {

			testrun.fails++

			testrun.report("NOT OK "+testrun.count+" - "+((message != null)? message : ""));

			testrun.report("expected: "+expected);

			testrun.report("     got: "+result);

		}

	}

	catch(e) {

		testrun.fails++

		testrun.report("NOT OK "+testrun.count+" - "+((message != null)? message : ""));

		testrun.report("expected: "+expected);

		testrun.report("     got: "+result);}

}

/**

	Check if test matches pattern.

	@param {string} test To be evaluated.

	@param {string} pattern Used to create a RegExp.

	@param {string} message Optional. To be displayed in the report.

	@return {boolean} True if test matches pattern.

*/

like = function(test, pattern, message) {

	testrun.count++;

	var result;

	try {

		result = eval(test);

		var rgx = new RegExp(pattern);

		if (rgx.test(result)) {

			testrun.passes++

			testrun.report("    OK "+testrun.count+" - "+((message != null)? message : ""));

		}

		else {

			testrun.fails++

			testrun.report("NOT OK "+testrun.count+" - "+((message != null)? message : ""));

			testrun.report("       this: "+result);

			testrun.report("is not like: "+pattern);

		}

	}

	catch(e) {

		testrun.fails++

		testrun.report("NOT OK "+testrun.count+" - "+((message != null)? message : ""));

	}

}