test.js

var before = {
	setup: function () {
		cookies = document.cookie.split('; ')
		for (var i = 0, c; (c = (cookies)[i]) && (c = c.split('=')[0]); i++) {
			document.cookie = c + '=; expires=' + new Date(0).toUTCString();
		}

		$.cookie.defaults = {};
	}
};


module('read', before);

test('simple value', 1, function () {
	document.cookie = 'c=v';
	equal($.cookie('c'), 'v', 'should return value');
});

test('empty value', 1, function () {
	// IE saves cookies with empty string as "c; ", e.g. without "=" as opposed to EOMB, which
	// resulted in a bug while reading such a cookie.
	$.cookie('c', '');
	equal($.cookie('c'), '', 'should return value');
});

test('not existing', 1, function () {
	equal($.cookie('whatever'), null, 'should return null');
});

test('decode', 1, function () {
	document.cookie = encodeURIComponent(' c') + '=' + encodeURIComponent(' v');
	equal($.cookie(' c'), ' v', 'should decode key and value');
});

test('decode pluses to space for server side written cookie', 1, function () {
	document.cookie = 'c=foo+bar'
	equal($.cookie('c'), 'foo bar', 'should convert pluses back to space');
});

test('raw: true', 1, function () {
	document.cookie = 'c=%20v';
	equal($.cookie('c', { raw: true }), '%20v', 'should not decode value');
});

test('[] used in name', 1, function () {
	document.cookie = 'c[999]=foo';
	equal($.cookie('c[999]'), 'foo', 'should return value');
});

test('embedded equals', 1, function () {
	$.cookie('c', 'foo=bar', { raw: true });
	equal($.cookie('c', { raw: true }), 'foo=bar', 'should include the entire value');
});

test('defaults', 1, function () {
	document.cookie = 'c=%20v';
	$.cookie.defaults.raw = true;
	equal($.cookie('c'), '%20v', 'should use raw from defaults');
});


module('write', before);

test('String primitive', 1, function () {
	$.cookie('c', 'v');
	equal($.cookie('c'), 'v', 'should write value');
});

test('String object', 1, function () {
	$.cookie('c', new String('v'));
	equal($.cookie('c'), 'v', 'should write value');
});

test('value "[object Object]"', 1, function () {
	$.cookie('c', '[object Object]');
	equal($.cookie('c'), '[object Object]', 'should write value');
});

test('number', 1, function () {
	$.cookie('c', 1234);
	equal($.cookie('c'), '1234', 'should write value');
});

test('expires option as days from now', 1, function() {
	var sevenDaysFromNow = new Date();
	sevenDaysFromNow.setDate(sevenDaysFromNow.getDate() + 7);
	equal($.cookie('c', 'v', { expires: 7 }), 'c=v; expires=' + sevenDaysFromNow.toUTCString(),
		'should write the cookie string with expires');
});

test('expires option as Date instance', 1, function() {
	var sevenDaysFromNow = new Date();
	sevenDaysFromNow.setDate(sevenDaysFromNow.getDate() + 7);
	equal($.cookie('c', 'v', { expires: sevenDaysFromNow }), 'c=v; expires=' + sevenDaysFromNow.toUTCString(),
		'should write the cookie string with expires');
});

test('invalid expires option (in the past)', 1, function() {
	var yesterday = new Date();
	yesterday.setDate(yesterday.getDate() - 1);
	$.cookie('c', 'v', { expires: yesterday });
	equal($.cookie('c'), null, 'should not save already expired cookie');
});

test('return value', 1, function () {
	equal($.cookie('c', 'v'), 'c=v', 'should return written cookie string');
});

test('raw option set to true', 1, function () {
	equal($.cookie('c', ' v', { raw: true }).split('=')[1],
		' v', 'should not encode');
});

test('defaults', 1, function () {
	$.cookie.defaults.raw = true;
	equal($.cookie('c', ' v').split('=')[1], ' v', 'should use raw from defaults');
});


module('delete', before);

test('delete', 2, function () {
	document.cookie = 'c=v';
	$.cookie('c', null);
	equal(document.cookie, '', 'should delete with null as value');

	document.cookie = 'c=v';
	$.cookie('c', undefined);
	equal(document.cookie, '', 'should delete with undefined as value');
});