prototype/test/unit/base.html

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<head>
<title>Prototype Unit test file</title>
<meta http-equiv="content-type" content="text/html; charset=utf-8" />
<script src="../../dist/prototype.js" type="text/javascript"></script>
<script src="../lib/unittest.js" type="text/javascript"></script>
<link rel="stylesheet" href="../test.css" type="text/css" />
<style type="text/css" media="screen">
/* <![CDATA[ */
#testcss1 { font-size:11px; color: #f00; }
#testcss2 { font-size:12px; color: #0f0; display: none; }
/* ]]> */
</style>
</head>
<body>
<h1>Prototype Unit test file</h1>
<p>
Test of utility functions in base.js
</p>
<!-- Log output -->
<div id="testlog"> </div>
<div id="test"></div>
<!-- Tests follow -->
<script type="text/javascript" language="javascript" charset="utf-8">
// <![CDATA[
var Person = function(name){
this.name = name;
};
Person.prototype.toJSON = function() {
return '-' + this.name;
};
var peEventCount = 0;
// peEventFired will stop the PeriodicalExecuter after 3 callbacks
function peEventFired(pe) {
if (++peEventCount>2) {
pe.stop();
}
}
var arg1 = 1;
var arg2 = 2;
var arg3 = 3;
function TestObj() { };
TestObj.prototype.assertingEventHandler =
function(event, assertEvent, assert1, assert2, assert3, a1, a2, a3) {
assertEvent(event);
assert1(a1);
assert2(a2);
assert3(a3);
};
var globalBindTest = null;
// base class
var Animal = Class.create({
initialize: function(name) {
this.name = name;
},
name: "",
eat: function() {
return this.say("Yum!");
},
say: function(message) {
return this.name + ": " + message;
}
});
// subclass that augments a method
var Cat = Class.create(Animal, {
eat: function($super, food) {
if (food instanceof Mouse) return $super();
else return this.say("Yuk! I only eat mice.");
}
});
// empty subclass
var Mouse = Class.create(Animal, {});
new Test.Unit.Runner({
testFunctionArgumentNames: function() { with(this) {
assertEnumEqual([], (function() {}).argumentNames());
assertEnumEqual(["one"], (function(one) {}).argumentNames());
assertEnumEqual(["one", "two", "three"], (function(one, two, three) {}).argumentNames());
assertEqual("$super", (function($super) {}).argumentNames().first());
}},
testFunctionBind: function() { with(this) {
function methodWithoutArguments() { return this.hi };
function methodWithArguments() { return this.hi + ',' + $A(arguments).join(',') };
var func = Prototype.emptyFunction;
assertIdentical(func, func.bind());
assertIdentical(func, func.bind(undefined));
assertNotIdentical(func, func.bind(null));
assertEqual('without', methodWithoutArguments.bind({ hi: 'without' })());
assertEqual('with,arg1,arg2', methodWithArguments.bind({ hi: 'with' })('arg1','arg2'));
assertEqual('withBindArgs,arg1,arg2',
methodWithArguments.bind({ hi: 'withBindArgs' }, 'arg1', 'arg2')());
assertEqual('withBindArgsAndArgs,arg1,arg2,arg3,arg4',
methodWithArguments.bind({ hi: 'withBindArgsAndArgs' }, 'arg1', 'arg2')('arg3', 'arg4'));
}},
testFunctionCurry: function() { with(this) {
var split = function(delimiter, string) { return string.split(delimiter); };
var splitOnColons = split.curry(":");
assertNotIdentical(split, splitOnColons);
assertEnumEqual(split(":", "0:1:2:3:4:5"), splitOnColons("0:1:2:3:4:5"));
assertIdentical(split, split.curry());
}},
testFunctionDelay: function() { with(this) {
window.delayed = undefined;
var delayedFunction = function() { window.delayed = true; };
var delayedFunctionWithArgs = function() { window.delayedWithArgs = $A(arguments).join(' '); };
delayedFunction.delay(0.8);
delayedFunctionWithArgs.delay(0.8, 'hello', 'world');
assertUndefined(window.delayed);
wait(1000, function() {
assert(window.delayed);
assertEqual('hello world', window.delayedWithArgs);
});
}},
testFunctionWrap: function() { with(this) {
function sayHello(){
return 'hello world';
};
assertEqual('HELLO WORLD', sayHello.wrap(function(proceed) {
return proceed().toUpperCase();
})());
var temp = String.prototype.capitalize;
String.prototype.capitalize = String.prototype.capitalize.wrap(function(proceed, eachWord) {
if(eachWord && this.include(' ')) return this.split(' ').map(function(str){
return str.capitalize();
}).join(' ');
return proceed();
});
assertEqual('Hello world', 'hello world'.capitalize());
assertEqual('Hello World', 'hello world'.capitalize(true));
assertEqual('Hello', 'hello'.capitalize());
String.prototype.capitalize = temp;
}},
testFunctionDefer: function() { with(this) {
window.deferred = undefined;
var deferredFunction = function() { window.deferred = true; };
deferredFunction.defer();
assertUndefined(window.deferred);
wait(50, function() {
assert(window.deferred);
});
}},
testFunctionMethodize: function() { with(this) {
var Foo = { bar: function(baz) { return baz } };
var baz = { quux: Foo.bar.methodize() };
assertEqual(Foo.bar.methodize(), baz.quux);
assertEqual(baz, Foo.bar(baz));
assertEqual(baz, baz.quux());
}},
testObjectInspect: function() { with(this) {
assertEqual('undefined', Object.inspect());
assertEqual('undefined', Object.inspect(undefined));
assertEqual('null', Object.inspect(null));
assertEqual("'foo\\\\b\\\'ar'", Object.inspect('foo\\b\'ar'));
assertEqual('[]', Object.inspect([]));
}},
testObjectToJSON: function() { with(this) {
assertUndefined(Object.toJSON(undefined));
assertUndefined(Object.toJSON(Prototype.K));
assertEqual('\"\"', Object.toJSON(''));
assertEqual('[]', Object.toJSON([]));
assertEqual('[\"a\"]', Object.toJSON(['a']));
assertEqual('[\"a\", 1]', Object.toJSON(['a', 1]));
assertEqual('[\"a\", {\"b\": null}]', Object.toJSON(['a', {'b': null}]));
assertEqual('{\"a\": \"hello!\"}', Object.toJSON({a: 'hello!'}));
assertEqual('{}', Object.toJSON({}));
assertEqual('{}', Object.toJSON({a: undefined, b: undefined, c: Prototype.K}));
assertEqual('{\"b\": [false, true], \"c\": {\"a\": \"hello!\"}}',
Object.toJSON({'b': [undefined, false, true, undefined], c: {a: 'hello!'}}));
assertEqual('{\"b\": [false, true], \"c\": {\"a\": \"hello!\"}}',
Object.toJSON($H({'b': [undefined, false, true, undefined], c: {a: 'hello!'}})));
assertEqual('true', Object.toJSON(true));
assertEqual('false', Object.toJSON(false));
assertEqual('null', Object.toJSON(null));
var sam = new Person('sam');
assertEqual('-sam', Object.toJSON(sam));
assertEqual('-sam', sam.toJSON());
var element = $('test');
assertUndefined(Object.toJSON(element));
element.toJSON = function(){return 'I\'m a div with id test'};
assertEqual('I\'m a div with id test', Object.toJSON(element));
}},
testObjectToHTML: function() { with(this) {
assertIdentical('', Object.toHTML());
assertIdentical('', Object.toHTML(''));
assertIdentical('', Object.toHTML(null));
assertIdentical('0', Object.toHTML(0));
assertIdentical('123', Object.toHTML(123));
assertEqual('hello world', Object.toHTML('hello world'));
assertEqual('hello world', Object.toHTML({toHTML: function() { return 'hello world' }}));
}},
testObjectIsArray: function() { with(this) {
assert(Object.isArray([]));
assert(Object.isArray([0]));
assert(Object.isArray([0, 1]));
assert(!Object.isArray({}));
}},
testObjectIsElement: function() { with(this) {
assert(Object.isElement(document.createElement('div')));
assert(Object.isElement(new Element('div')));
assert(Object.isElement($('testlog')));
assert(!Object.isElement(document.createTextNode('bla')));
}},
testObjectIsFunction: function() { with(this) {
assert(Object.isFunction(function() { }));
assert(Object.isFunction(Class.create()));
assert(!Object.isFunction("a string"));
assert(!Object.isFunction($("testlog")));
assert(!Object.isFunction([]));
assert(!Object.isFunction({}));
assert(!Object.isFunction(0));
assert(!Object.isFunction(false));
assert(!Object.isFunction(undefined));
}},
// sanity check
testDoesntExtendObjectPrototype: function() {with(this) {
// for-in is supported with objects
var iterations = 0, obj = { a: 1, b: 2, c: 3 };
for(property in obj) iterations++;
assertEqual(3, iterations);
// for-in is not supported with arrays
iterations = 0;
var arr = [1,2,3];
for(property in arr) iterations++;
assert(iterations > 3);
}},
testPeriodicalExecuterStop: function() {with(this) {
new PeriodicalExecuter(peEventFired, 0.1);
wait(1000, function() {
assertEqual(3, peEventCount);
});
}},
testBindAsEventListener: function() {
for( var i = 0; i < 10; ++i ){
var div = document.createElement('div');
div.setAttribute('id','test-'+i);
document.body.appendChild(div);
var tobj = new TestObj();
var eventTest = { test: true };
var call = tobj.assertingEventHandler.bindAsEventListener(tobj,
this.assertEqual.bind(this, eventTest),
this.assertEqual.bind(this, arg1),
this.assertEqual.bind(this, arg2),
this.assertEqual.bind(this, arg3), arg1, arg2, arg3 );
call(eventTest);
}
},
testDateToJSON: function() {with(this) {
assertEqual('\"1969-12-31T19:00:00\"', new Date(1969, 11, 31, 19).toJSON());
}},
testRegExpEscape: function() {with(this) {
assertEqual('word', RegExp.escape('word'));
assertEqual('\\/slashes\\/', RegExp.escape('/slashes/'));
assertEqual('\\\\backslashes\\\\', RegExp.escape('\\backslashes\\'));
assertEqual('\\\\border of word', RegExp.escape('\\border of word'));
assertEqual('\\(\\?\\:non-capturing\\)', RegExp.escape('(?:non-capturing)'));
assertEqual('non-capturing', new RegExp(RegExp.escape('(?:') + '([^)]+)').exec('(?:non-capturing)')[1]);
assertEqual('\\(\\?\\=positive-lookahead\\)', RegExp.escape('(?=positive-lookahead)'));
assertEqual('positive-lookahead', new RegExp(RegExp.escape('(?=') + '([^)]+)').exec('(?=positive-lookahead)')[1]);
assertEqual('\\(\\?<\\=positive-lookbehind\\)', RegExp.escape('(?<=positive-lookbehind)'));
assertEqual('positive-lookbehind', new RegExp(RegExp.escape('(?<=') + '([^)]+)').exec('(?<=positive-lookbehind)')[1]);
assertEqual('\\(\\?\\!negative-lookahead\\)', RegExp.escape('(?!negative-lookahead)'));
assertEqual('negative-lookahead', new RegExp(RegExp.escape('(?!') + '([^)]+)').exec('(?!negative-lookahead)')[1]);
assertEqual('\\(\\?<\\!negative-lookbehind\\)', RegExp.escape('(?<!negative-lookbehind)'));
assertEqual('negative-lookbehind', new RegExp(RegExp.escape('(?<!') + '([^)]+)').exec('(?<!negative-lookbehind)')[1]);
assertEqual('\\[\\\\w\\]\\+', RegExp.escape('[\\w]+'));
assertEqual('character class', new RegExp(RegExp.escape('[') + '([^\\]]+)').exec('[character class]')[1]);
assertEqual('<div>', new RegExp(RegExp.escape('<div>')).exec('<td><div></td>')[0]);
assertEqual('false', RegExp.escape(false));
assertEqual('undefined', RegExp.escape());
assertEqual('null', RegExp.escape(null));
assertEqual('42', RegExp.escape(42));
assertEqual('\\\\n\\\\r\\\\t', RegExp.escape('\\n\\r\\t'));
assertEqual('\n\r\t', RegExp.escape('\n\r\t'));
assertEqual('\\{5,2\\}', RegExp.escape('{5,2}'));
assertEqual(
'\\/\\(\\[\\.\\*\\+\\?\\^\\=\\!\\:\\$\\{\\}\\(\\)\\|\\[\\\\\\]\\\\\\\/\\\\\\\\\\]\\)\\/g',
RegExp.escape('/([.*+?^=!:${}()|[\\]\\/\\\\])/g')
);
}},
testBrowserDetection: function() {with(this) {
var results = $H(Prototype.Browser).map(function(engine){
return engine;
}).partition(function(engine){
return engine[1] === true
});
var trues = results[0], falses = results[1];
info('User agent string is: ' + navigator.userAgent);
assert(trues.size() == 0 || trues.size() == 1,
'There should be only one or no browser detected.');
// we should have definite trues or falses here
trues.each(function(result){
assert(result[1] === true);
});
falses.each(function(result){
assert(result[1] === false);
});
if(navigator.userAgent.indexOf('AppleWebKit/') > -1) {
info('Running on WebKit');
assert(Prototype.Browser.WebKit);
}
if(!!window.opera) {
info('Running on Opera');
assert(Prototype.Browser.Opera);
}
if(!!(window.attachEvent && !window.opera)) {
info('Running on IE');
assert(Prototype.Browser.IE);
}
if(navigator.userAgent.indexOf('Gecko') > -1 && navigator.userAgent.indexOf('KHTML') == -1) {
info('Running on Gecko');
assert(Prototype.Browser.Gecko);
}
}},
testInstantiation: function() { with(this) {
var pet = new Animal("Nibbles");
assertEqual("Nibbles", pet.name, "property not initialized");
assertEqual('Nibbles: Hi!', pet.say('Hi!'));
assertEqual(Animal, pet.constructor, "bad constructor reference");
assertUndefined(pet.superclass);
}},
testInheritance: function() { with(this) {
var tom = new Cat('Tom');
assertEqual(Cat, tom.constructor, "bad constructor reference");
assertEqual(Animal, tom.constructor.superclass, 'bad superclass reference');
assertEqual('Tom', tom.name);
assertEqual('Tom: meow', tom.say('meow'));
assertEqual('Tom: Yuk! I only eat mice.', tom.eat(new Animal));
}},
testSupercall: function() { with(this) {
var tom = new Cat('Tom');
assertEqual('Tom: Yum!', tom.eat(new Mouse));
}},
testAddingInstanceMethod: function() { with(this) {
var tom = new Cat('Tom');
var jerry = new Mouse('Jerry');
Class.extend(Animal, {
sleep: function() {
return this.say('ZZZ');
}
});
Class.extend(Mouse, {
sleep: function($super) {
return $super() + " ... no, can't sleep! Gotta steal cheese!";
}
});
assertEqual('Tom: ZZZ', tom.sleep(), "added instance method not available to subclass");
assertEqual("Jerry: ZZZ ... no, can't sleep! Gotta steal cheese!", jerry.sleep());
}}
}, 'testlog');
// ]]>
</script>
</body>
</html>