event-custom/tests/customevent.html

	customevent.html revision 5740f3112d19859eebaba7b3b8b95e6bc14beffb
<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01//EN" "http://www.w3.org/TR/html4/strict.dtd">
<html>
<head>
<title>YUI Event Tests</title>
<script type="text/javascript" src="/build/yui/yui.js"></script>
</head>

<body class="yui-skin-sam">
<h1>Event Tests</h1>
<p><input type="button" value="Run Tests" id="btnRun" disabled="true" /></p>


<script type="text/javascript">

(function() {
    YUI({
        base: "/build/",
        filter: "debug",
        combine: false,
        useConsole: true,
        // logInclude: ['event', 'test']
        logExclude: {Dom: true, Selector: true, Node: true, attribute: true, base: true, event: true, widget: true}
    }).use("dump", "test", "console", function(Y) {

        var button = Y.get('#btnRun');

        // Set up the page
        button.set("disabled", false);
        Y.on("click", function() {
            Y.Test.Runner.run();
        }, button);

        var myConsole = new Y.Console().render();

        var testEventTarget = new Y.Test.Case({
            name: "Event.Target tests",

            testAugment: function() {

                var fired = false;

                var O = function(id) {
                    this.id = id;
                    Y.log('O constructor executed ' + id);
                }

                O.prototype = {
                    oOo: function(ok) {
                        Y.log('oOo');
                    }
                }

                // pass configuration info into Event.Target with the following
                // construct
                Y.augment(O, Y.Event.Target, null, null, {
                    emitFacade: true
                });

                var o = new O(),
                handle = o.on('testAugment', function(e, arg1, arg2) {
                    Y.Assert.isTrue(this instanceof O);
                    Y.Assert.isTrue(e instanceof Y.Event.Facade);
                    Y.Assert.isTrue(e.foo === 'afoo');
                    Y.Assert.isTrue(e.details[1] === 1);
                    Y.Assert.isTrue(arg1 === 1);
                    Y.Assert.isTrue(arg2 === 2);
                    fired = true;
                });

                o.fire('testAugment', { foo: 'afoo' }, 1, 2);

                Y.Assert.isTrue(fired);

                handle.detach();

                // if the first argument is not an object, the
                // event facade is moved in front of the args rather
                // than overwriting existing object.
                o.on('testAugment', function(e, arg1, arg2) {
                    Y.Assert.areEqual(1, arg1);
                    Y.Assert.areEqual(2, arg2);
                });

                o.fire('testAugment', 1, 2);

            },

            testExtend: function() {

                var fired = false;

                var Base = function() {
                    Y.log('Base constructor executed');
                    arguments.callee.superclass.constructor.apply(this, arguments);
                }

                Y.extend(Base, Y.Event.Target, {
                    base: function() {
                        Y.log('all your base...');
                    }
                });

                var b = new Base();
                b.on('testExtend', function(arg1, arg2) {
                    Y.Assert.isTrue(this instanceof Base);
                    Y.Assert.isTrue(arg1 === 1);
                    Y.Assert.isTrue(arg2 === 2);
                    fired = true;
                });

                b.fire('testExtend', 1, 2);

                Y.Assert.isTrue(fired);
            },

            testPrefix: function() {

                var fired1 = false,
                    fired2 = false;

                var O = function(id) {
                    this.id = id;
                    Y.log('O constructor executed ' + id);
                }

                O.prototype = {
                    oOo: function(ok) {
                        Y.log('oOo');
                    }
                }

                // pass configuration info into Event.Target with the following
                // construct
                Y.augment(O, Y.Event.Target, null, null, {
                    emitFacade: true,
                    prefix: 'prefix'
                });

                var o = new O();
                o.on('testPrefix', function(e, arg1, arg2) {
                    Y.Assert.isTrue(this instanceof O);
                    fired1 = true;
                });

                o.on('prefix:testPrefix', function(e, arg1, arg2) {
                    Y.Assert.isTrue(this instanceof O);
                    fired2 = true;
                });

                o.fire('testPrefix', { foo: 'afoo' }, 1, 2);

                Y.Assert.isTrue(fired1);
                // Y.Assert.isTrue(fired2);

                fired1 = false;
                fired2 = false;

                o.fire('prefix:testPrefix', { foo: 'afoo' }, 1, 2);
                Y.Assert.isTrue(fired1);
                Y.Assert.isTrue(fired2);
            },

            testDetachKey: function() {

                var fired1 = false,
                    fired2 = false;

                Y.on('handle, test:event', function() {
                    fired1 = true;
                });

                // one listener
                Y.fire('test:event');
                Y.Assert.isTrue(fired1);
                Y.Assert.isFalse(fired2);

                Y.detach('handle, test:event');

                fired1 = false;
                fired2 = false;

                Y.on('handle, test:event', function() {
                    fired2 = true;
                });

                // first lisener detached, added a new listener
                Y.fire('test:event');
                Y.Assert.isFalse(fired1);
                Y.Assert.isTrue(fired2);

                Y.detach('handle,test:event');
                fired1 = false;
                fired2 = false;

                Y.after('handle, test:event', function() {
                    Y.Assert.isTrue(fired1);
                    fired2 = true;
                });

                // comma or pipe
                Y.on('handle|test:event', function() {
                    Y.Assert.isFalse(fired2);
                    fired1 = true;
                });

                // testing on and after order
                Y.fire('test:event');

                fired1 = false;
                fired2 = false;

                // spaces after the comma or lack thereof should have
                // no effect on the addition or removal of listeners
                Y.detach('handle,test:event');

                // added both an on listener and an after listener,
                // then detached both
                Y.fire('test:event');
                Y.Assert.isFalse(fired1);
                Y.Assert.isFalse(fired2);

            },

            testChain: function() {

                var fired1 = false,
                    fired2 = false,
                    fired3 = false,
                    fired4 = false,
                    fired5 = false;

                // should be executed once, after f2
                var f1 = function() {
                    Y.Assert.isTrue(fired2);
                    fired1 = true;
                };

                // should be executed once, before f1
                var f2 = function() {
                    Y.Assert.isFalse(fired1);
                    fired2 = true;
                };

                // should be executed once, different event from f1 and f2
                var f3 = function() {
                    fired3 = true;
                };

                // detached before fired, should not executed
                var f4 = function() {
                    fired4 = true;
                };

                // should fire once, preserving the custom prefix rather
                // than using the configured event target prefix
                var f5 = function() {
                    fired5 = true;
                };

                // configure chaining via global default or on the event target
                YUI({ /* chain: true */ }).use('*', function(Y2) {

                    var o = new Y2.EventTarget({
                        prefix: 'foo',
                        chain : true
                    });

                    // without event target prefix manipulation (incomplete now)
                    // @TODO an error here is throwing an uncaught exception rather than failing the test
                    // Y2.after('p:e', f1).on('p:e', f2).on('p:e2', f3).on('detach, p:e', f4).detach('detach, p:e').fire('p:e').fire('p:e2');

                    // with event target prefix manipulation ('e' is the same event as 'foo:e',
                    // but 'pre:e' is a different event only accessible by using that exact name)
o.after('e', f1).on('foo:e', f2).on('foo:e2', f3).on('detach, e', f4).detach('detach,e').fire('foo:e').fire('e2').on('pre:e', f5).fire('pre:e');

                    Y.Assert.isTrue(fired1);  // verifies chaining, on/after order, and adding the event target prefix
                    Y.Assert.isTrue(fired2);  // verifies chaining, on/after order, and accepting the prefix in the event name
                    Y.Assert.isTrue(fired3);  // verifies no interaction between events, and prefix manipulation
                    Y.Assert.isFalse(fired4); // verifies detach works (regardless of spaces after comma)
                    Y.Assert.isTrue(fired5);  // verifies custom prefix

                });
            },


            testObjType: function() {
                var f1, f2;
                Y.on({
                    'y:click': function() {f1 = true},
                    'y:clack': function() {f2 = true}
                });

                Y.fire('y:click');
                Y.fire('y:clack');

                Y.Assert.isTrue(f1);
                Y.Assert.isTrue(f2);
            },

            testPreventFnOnce: function() {
                var count = 0;
                Y.publish('y:foo', {
                    emitFacade: true,
                    preventedFn: function() {
                        count++;
                    }
                });

                Y.on('y:foo', function(e) {
                    e.preventDefault();
                });

                Y.on('y:foo', function(e) {
                    e.preventDefault();
                });

                Y.fire('y:foo');

                Y.Assert.areEqual(1, count);
            },

            testDetachHandle: function() {
                var count = 0, handle, handle2;
                Y.publish('y:foo', {
                    emitFacade: true,
                });

                Y.on('y:foo', function(e) {
                    count++;
                    handle2.detach();
                });

                handle = Y.on('y:foo', function(e) {
                    count += 100;
                });

                handle2 = Y.on('y:foo', function(e) {
                    count += 1000;
                });

                Y.detach(handle);

                Y.fire('y:foo');

                Y.Assert.areEqual(1, count);

                count = 0;

                var handle3 = Y.on('y:click', function() {
                    count++;
                    handle3.detach();
                });

                Y.fire('y:click');
                Y.fire('y:click');

                count = 0;
                Y.on('y:foo', function(e) {
                    count++;
                });
                Y.on('y:foo', function(e) {
                    count++;
                });

                Y.detachAll('y:click');

                Y.fire('y:click');

                Y.Assert.areEqual(0, count);

            }

        });


        Y.Test.Runner.add(testEventTarget);
        Y.Test.Runner.run();
    });
})();
</script>
</body>
</html>