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test.delegate.js
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test.delegate.js
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tests[".delegate() functionality"] = {
_version: ['1.4.2','1.8.0'],
"binding single event - classical style": {
".delegate(selector,event,handler) + .undelegate(selector,event)": function($, test) {
var $x = test.element('<div><p>');
var ev = 'myEvent';
var x=0;
function handler(){
x++;
}
var $delegate = $x.delegate('p',ev, handler);
test.assertEquals("classical bind must return original jQuery object", $x, $delegate);
test.assertEquals("event not yet triggered", 0, x);
$x.undelegate('p',ev);
test.assertEquals("event must not trigger on .undelegate", 0, x);
$x.find('p').trigger(ev);
test.assertEquals("because of .undelegate trigger must not happen", 0, x);
$x.find('p').after('<p>').next().trigger(ev);
test.assertEquals("still no trigger expected", 0, x);
test.done();
},
".delegate(selector,event,data,handler) + .undelegate(selector,event)": function($, test) {
var $x = test.element('<div><p>');
var ev = 'myEvent';
var x=0;
function handler(event){
x++;
test.assertEquals("event data must be passed", true, event.data.prop);
}
var $delegate = $x.delegate('p',ev, {prop: true}, handler);
test.assertEquals("classical bind must return original jQuery object", $x, $delegate);
test.assertEquals("event not yet triggered", 0, x);
$x.undelegate('p',ev);
test.assertEquals("event must not trigger on .undelegate", 0, x);
$x.find('p').trigger(ev);
test.assertEquals("because of .undelegate trigger must not happen", 0, x);
$x.find('p').after('<p>').next().trigger(ev);
test.assertEquals("still no trigger expected", 0, x);
test.done();
},
".delegate(selector,event,handler) + .undelegate(selector,event,handler)": function($, test) {
var $x = test.element('<div><p>');
var ev = 'myEvent';
var x=0;
function handler(){
x++;
}
var $delegate = $x.delegate('p',ev, handler);
test.assertEquals("classical bind must return original jQuery object", $x, $delegate);
test.assertEquals("event not yet triggered", 0, x);
$x.undelegate('p',ev,handler);
test.assertEquals("event must not trigger on .undelegate", 0, x);
$x.find('p').trigger(ev);
test.assertEquals("because of .undelegate trigger must not happen", 0, x);
$x.find('p').after('<p>').next().trigger(ev);
test.assertEquals("still no trigger expected", 0, x);
test.done();
},
".delegate(selector,event,data,handler) + .undelegate(selector,event,handler)": function($, test) {
var $x = test.element('<div><p>');
var ev = 'myEvent';
var x=0;
function handler(event){
x++;
test.assertEquals("event data must be passed", true, event.data.prop);
}
var $delegate = $x.delegate('p',ev, {prop: true}, handler);
test.assertEquals("classical bind must return original jQuery object", $x, $delegate);
test.assertEquals("event not yet triggered", 0, x);
$x.undelegate('p',ev,handler);
test.assertEquals("event must not trigger on .undelegate", 0, x);
$x.find('p').trigger(ev);
test.assertEquals("because of .undelegate trigger must not happen", 0, x);
$x.find('p').after('<p>').next().trigger(ev);
test.assertEquals("still no trigger expected", 0, x);
test.done();
},
".delegate(selector,event,handler) + .undelegate(selector,event,otherHandler)": function($, test) {
var $x = test.element('<div><p>');
var ev = 'myEvent';
var x=0;
function handler(){
x++;
}
var $delegate = $x.delegate('p',ev, handler);
test.assertEquals("classical bind must return original jQuery object", $x, $delegate);
test.assertEquals("event not yet triggered", 0, x);
$x.undelegate('p',ev, function(){x++;});
test.assertEquals("event must not trigger on .undelegate", 0, x);
$x.find('p').trigger(ev);
test.assertEquals("because of unbinding other handler trigger must happen", 1, x);
$x.find('p').after('<p>').next().trigger(ev);
test.assertEquals("still trigger expected", 2, x);
test.done();
},
".delegate(selector,event,data,handler) + .undelegate(selector,event,otherHandler)": function($, test) {
var $x = test.element('<div><p>');
var ev = 'myEvent';
var x=0;
function handler(event){
x++;
test.assertEquals("event data must be passed", true, event.data.prop);
}
var $delegate = $x.delegate('p',ev, {prop: true}, handler);
test.assertEquals("classical bind must return original jQuery object", $x, $delegate);
test.assertEquals("event not yet triggered", 0, x);
$x.undelegate('p',ev, function(){x++;});
test.assertEquals("event must not trigger on .undelegate", 0, x);
$x.find('p').trigger(ev);
test.assertEquals("because of unbinding other handler trigger must happen", 1, x);
$x.find('p').after('<p>').next().trigger(ev);
test.assertEquals("still trigger expected", 2, x);
test.done();
},
".delegate(selector,event,handler) + .trigger(event) + .undelegate(selector,event)": function($, test) {
var $x = test.element('<div><p>');
var ev = 'myEvent';
var x=0;
function handler(){
x++;
}
var $delegate = $x.delegate('p',ev, handler);
test.assertEquals("classical bind must return original jQuery object", $x, $delegate);
test.assertEquals("event not yet triggered", 0, x);
$x.find('p').trigger(ev);
test.assertEquals("first trigger should fire", 1, x);
$x.undelegate('p',ev);
test.assertEquals("event must not trigger on .undelegate", 1, x);
$x.find('p').trigger(ev);
test.assertEquals("because of .undelegate trigger must not happen", 1, x);
$x.find('p').after('<p>').next().trigger(ev);
test.assertEquals("still no trigger expected", 1, x);
test.done();
},
".delegate(selector,event,data,handler) + .trigger(event) + .undelegate(selector,event)": function($, test) {
var $x = test.element('<div><p>');
var ev = 'myEvent';
var x=0;
function handler(event){
x++;
test.assertEquals("event data must be passed", true, event.data.prop);
}
var $delegate = $x.delegate('p',ev, {prop: true}, handler);
test.assertEquals("classical bind must return original jQuery object", $x, $delegate);
test.assertEquals("event not yet triggered", 0, x);
$x.find('p').trigger(ev);
test.assertEquals("first trigger should fire", 1, x);
$x.undelegate('p',ev);
test.assertEquals("event must not trigger on .undelegate", 1, x);
$x.find('p').trigger(ev);
test.assertEquals("because of .undelegate trigger must not happen", 1, x);
$x.find('p').after('<p>').next().trigger(ev);
test.assertEquals("still no trigger expected", 1, x);
test.done();
},
".delegate(selector,event,handler) + .trigger(event) + .undelegate(selector,event,handler)": function($, test) {
var $x = test.element('<div><p>');
var ev = 'myEvent';
var x=0;
function handler(){
x++;
}
var $delegate = $x.delegate('p',ev, handler);
test.assertEquals("classical bind must return original jQuery object", $x, $delegate);
test.assertEquals("event not yet triggered", 0, x);
$x.find('p').trigger(ev);
test.assertEquals("first trigger should fire", 1, x);
$x.undelegate('p',ev, handler);
test.assertEquals("event must not trigger on .undelegate", 1, x);
$x.find('p').trigger(ev);
test.assertEquals("because of .undelegate trigger must not happen", 1, x);
$x.find('p').after('<p>').next().trigger(ev);
test.assertEquals("still no trigger expected", 1, x);
test.done();
},
".delegate(selector,event,data,handler) + .trigger(event) + .undelegate(selector,event,handler)": function($, test) {
var $x = test.element('<div><p>');
var ev = 'myEvent';
var x=0;
function handler(event){
x++;
test.assertEquals("event data must be passed", true, event.data.prop);
}
var $delegate = $x.delegate('p',ev, {prop: true}, handler);
test.assertEquals("classical bind must return original jQuery object", $x, $delegate);
test.assertEquals("event not yet triggered", 0, x);
$x.find('p').trigger(ev);
test.assertEquals("first trigger should fire", 1, x);
$x.undelegate('p',ev, handler);
test.assertEquals("event must not trigger on .undelegate", 1, x);
$x.find('p').trigger(ev);
test.assertEquals("because of .undelegate trigger must not happen", 1, x);
$x.find('p').after('<p>').next().trigger(ev);
test.assertEquals("still no trigger expected", 1, x);
test.done();
},
".delegate(selector,event,handler) + .trigger(event) + .undelegate(selector,event,otherHandler)": function($, test) {
var $x = test.element('<div><p>');
var ev = 'myEvent';
var x=0;
function handler(){
x++;
}
var $delegate = $x.delegate('p',ev, handler);
test.assertEquals("classical bind must return original jQuery object", $x, $delegate);
test.assertEquals("event not yet triggered", 0, x);
$x.find('p').trigger(ev);
test.assertEquals("first trigger should fire", 1, x);
$x.undelegate('p',ev, function(){x++;});
test.assertEquals("event must not trigger on .undelegate", 1, x);
$x.find('p').trigger(ev);
test.assertEquals("because of unbinding other handler trigger must happen", 2, x);
$x.find('p').after('<p>').next().trigger(ev);
test.assertEquals("still trigger expected", 3, x);
test.done();
},
".delegate(selector,event,data,handler) + .trigger(event) + .undelegate(selector,event,otherHandler)": function($, test) {
var $x = test.element('<div><p>');
var ev = 'myEvent';
var x=0;
function handler(event){
x++;
test.assertEquals("event data must be passed", true, event.data.prop);
}
var $delegate = $x.delegate('p',ev, {prop: true}, handler);
test.assertEquals("classical bind must return original jQuery object", $x, $delegate);
test.assertEquals("event not yet triggered", 0, x);
$x.find('p').trigger(ev);
test.assertEquals("first trigger should fire", 1, x);
$x.undelegate('p',ev, function(){x++;});
test.assertEquals("event must not trigger on .undelegate", 1, x);
$x.find('p').trigger(ev);
test.assertEquals("because of unbinding other handler trigger must happen", 2, x);
$x.find('p').after('<p>').next().trigger(ev);
test.assertEquals("still trigger expected", 3, x);
test.done();
},
},
"binding multiple events - classical style": {
".delegate(selector,{ev1:h1, e2:h2}) + .undelegate(selector,ev1)": function($, test) {
var $x = test.element('<div><p>');
var x=0, y=0;
function handler1(){
x++;
}
function handler2(){
y++;
}
var $delegate = $x.delegate('p',{ev1:handler1, ev2:handler2});
test.assertEquals("classical bind must return original jQuery object", $x, $delegate);
test.assertEquals("ev1 not yet triggered", 0, x);
test.assertEquals("ev2 not yet triggered", 0, y);
$x.undelegate('p','ev1');
test.assertEquals("ev1 must not trigger on .undelegate", 0, x);
test.assertEquals("ev2 must not trigger on .undelegate", 0, x);
$x.find('p').trigger('ev1');
test.assertEquals("because of .undelegate trigger must not happen", 0, x);
$x.find('p').trigger('ev2');
test.assertEquals("ev2 should be triggered separately", 1, y);
$x.find('p').trigger('ev1');
test.assertEquals("ev1 still not expected to trigger", 0, x);
$x.find('p').after('<p>').next().trigger('ev2');
test.assertEquals("ev2 should be triggered again", 2, y);
test.done();
},
".delegate(selector,{ev1:h1, e2:h2},data) + .undelegate(selector,ev1)": function($, test) {
var $x = test.element('<div><p>');
var x=0, y=0;
function handler1(event){
x++;
test.assertEquals("event data must be passed", true, event.data.prop);
}
function handler2(event){
y++;
test.assertEquals("event data must be passed", true, event.data.prop);
}
var $delegate = $x.delegate('p',{ev1:handler1, ev2:handler2}, {prop: true});
test.assertEquals("classical bind must return original jQuery object", $x, $delegate);
test.assertEquals("ev1 not yet triggered", 0, x);
test.assertEquals("ev2 not yet triggered", 0, y);
$x.undelegate('p','ev1');
test.assertEquals("ev1 must not trigger on .undelegate", 0, x);
test.assertEquals("ev2 must not trigger on .undelegate", 0, x);
$x.find('p').trigger('ev1');
test.assertEquals("because of .undelegate trigger must not happen", 0, x);
$x.find('p').trigger('ev2');
test.assertEquals("ev2 should be triggered separately", 1, y);
$x.find('p').trigger('ev1');
test.assertEquals("ev1 still not expected to trigger", 0, x);
$x.find('p').after('<p>').next().trigger('ev2');
test.assertEquals("ev2 should be triggered again", 2, y);
test.done();
},
".delegate(selector,'ev1 ev2',handler) + .undelegate(selector,ev2)": function($, test) {
var $x = test.element('<div><p>');
var x=0;
var $delegate = $x.delegate('p','ev1 ev2', function(){ x++; });
test.assertEquals("classical bind must return original jQuery object", $x, $delegate);
test.assertEquals("ev1 not yet triggered", 0, x);
test.assertEquals("ev2 not yet triggered", 0, x);
$x.undelegate('p','ev2');
test.assertEquals("ev1 must not trigger on .undelegate", 0, x);
test.assertEquals("ev2 must not trigger on .undelegate", 0, x);
$x.find('p').trigger('ev1');
test.assertEquals("ev1 should be triggered", 1, x);
$x.find('p').trigger('ev2');
test.assertEquals("because of .undelegate trigger must not happen", 1, x);
$x.find('p').trigger('ev1');
test.assertEquals("ev1 should be triggered again", 2, x);
$x.find('p').after('<p>').next().trigger('ev2');
test.assertEquals("ev2 still not expected to trigger", 2, x);
test.done();
},
".delegate(selector,'ev1 ev2',data,handler) + .undelegate(selector,ev2)": function($, test) {
var $x = test.element('<div><p>');
var x=0;
function handler(event){
x++;
test.assertEquals("event data must be passed", true, event.data.prop);
}
var $delegate = $x.delegate('p','ev1 ev2', {prop: true}, handler);
test.assertEquals("classical bind must return original jQuery object", $x, $delegate);
test.assertEquals("ev1 not yet triggered", 0, x);
test.assertEquals("ev2 not yet triggered", 0, x);
$x.undelegate('p','ev2');
test.assertEquals("ev1 must not trigger on .undelegate", 0, x);
test.assertEquals("ev2 must not trigger on .undelegate", 0, x);
$x.find('p').trigger('ev1');
test.assertEquals("ev1 should be triggered", 1, x);
$x.find('p').trigger('ev2');
test.assertEquals("because of .undelegate trigger must not happen", 1, x);
$x.find('p').trigger('ev1');
test.assertEquals("ev1 should be triggered again", 2, x);
$x.find('p').after('<p>').next().trigger('ev2');
test.assertEquals("ev2 still not expected to trigger", 2, x);
test.done();
},
},
"binding single event - timed invocation chain style": {
".delegate(selector,event).doSomething() + .trigger(event)": function($, test) {
var $x = test.element('<div><p>');
var ev = 'myEvent';
var x=0;
function handler(){
x++;
test.assertEquals("context object must be original", $x.get(0), this.parent().get(0));
test.assertNotEquals("context must not be original", $x, this);
test.assertEquals("previous context must be original", $x, this.end());
}
var $delegate = $x.delegate('p',ev).then(handler);
test.assertNotEquals("timed bind must return placeholder object", $x, $delegate);
test.assertEquals("event not yet triggered", 0, x);
$x.find('p').trigger(ev);
test.assertEquals("trigger should fire", 1, x);
$x.undelegate('p',ev);
test.assertEquals("event must not trigger on .undelegate", 1, x);
$x.find('p').after('<p>').next().trigger(ev);
test.assertEquals("because of .undelegate trigger must not happen again", 1, x);
test.done();
},
".delegate(selector,event,$).doSomething() + .trigger(event)": function($, test) {
var $x = test.element('<div><p>');
var ev = 'myEvent';
var x=0;
function handler(){
x++;
test.assertEquals("context object must be original", $x.get(0), this.parent().get(0));
}
var $delegate = $x.delegate('p',ev,$).then(handler);
test.assertNotEquals("timed bind must return placeholder object", $x, $delegate);
test.assertEquals("event not yet triggered", 0, x);
$x.find('p').trigger(ev);
test.assertEquals("trigger should fire", 1, x);
$x.undelegate('p',ev);
test.assertEquals("event must not trigger on .undelegate", 1, x);
$x.find('p').after('<p>').next().trigger(ev);
test.assertEquals("because of .undelegate trigger must not happen again", 1, x);
test.done();
},
".delegate(selector,event).doSomething()._": function($, test) {
var $x = test.element('<div><p>');
var $delegate = $x.delegate('p','myEvent',$).text('test');
test.assertNotEquals("timed bind must return placeholder object", $x, $delegate);
var $y = $delegate._;
test.assertEquals("underscore must provide original object", $x, $y);
test.done();
},
},
"binding multiple events - timed invocation chain style": {
".delegate(selector,'ev1 ev2').doSomething() + .trigger(ev1)": function($, test) {
var $x = test.element('<div><p>');
var x=0;
function handler(){
x++;
test.assertNotEquals("context must not be original", $x, this);
test.assertEquals("previous context must be original", $x, this.end());
}
var $delegate = $x.delegate('p','ev1 ev2').then(handler);
test.assertNotEquals("timed bind must return placeholder object", $x, $delegate);
test.assertEquals("ev1 not yet triggered", 0, x);
test.assertEquals("ev2 not yet triggered", 0, x);
$x.undelegate('p','ev2');
test.assertEquals("ev1 must not trigger on .undelegate", 0, x);
test.assertEquals("ev2 must not trigger on .undelegate", 0, x);
$x.find('p').trigger('ev1');
test.assertEquals("ev1 should be triggered", 1, x);
$x.find('p').trigger('ev2');
test.assertEquals("because of .undelegate trigger must not happen", 1, x);
$x.find('p').trigger('ev1');
test.assertEquals("ev1 should be triggered again", 2, x);
$x.find('p').after('<p>').next().trigger('ev2');
test.assertEquals("ev2 still not expected to trigger", 2, x);
test.done();
},
".delegate(selector,'ev1 ev2',$).doSomething() + .trigger(ev1)": function($, test) {
var $x = test.element('<div><p>');
var x=0;
function handler(){
x++;
}
var $delegate = $x.delegate('p','ev1 ev2',$).then(handler);
test.assertNotEquals("timed bind must return placeholder object", $x, $delegate);
test.assertEquals("ev1 not yet triggered", 0, x);
test.assertEquals("ev2 not yet triggered", 0, x);
$x.undelegate('p','ev2');
test.assertEquals("ev1 must not trigger on .undelegate", 0, x);
test.assertEquals("ev2 must not trigger on .undelegate", 0, x);
$x.find('p').trigger('ev1');
test.assertEquals("ev1 should be triggered", 1, x);
$x.find('p').trigger('ev2');
test.assertEquals("because of .undelegate trigger must not happen", 1, x);
$x.find('p').trigger('ev1');
test.assertEquals("ev1 should be triggered again", 2, x);
$x.find('p').after('<p>').next().trigger('ev2');
test.assertEquals("ev2 still not expected to trigger", 2, x);
test.done();
},
".delegate(selector,'ev1 ev2').doSomething()._": function($, test) {
var $x = test.element('<div><p>');
var $delegate = $x.delegate('p','ev1 ev2',$).text('test');
test.assertNotEquals("timed bind must return placeholder object", $x, $delegate);
var $y = $delegate._;
test.assertEquals("underscore must provide original object", $x, $y);
test.done();
},
},
};