manage state

manage.js

(function(){
 	var foo = {
		bar: function(){
			// do something complex
		},

		baz: function(){
			return bar + 3;
		}
	};

	// capture the state of foo's members and make sure to reset that state after each test
	manage(foo);

	test( "baz adds 3 to the value of bar", function(){
		// mock bar
		foo.bar = function(){ return 5; };
		
		same(foo.baz, 8);
	});
})();