jquery/test/unit/queue.js

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module("queue", { teardown: moduleTeardown });
test("queue() with other types",function() {
expect(12);
var counter = 0;
stop();
var $div = jQuery({}),
defer;
$div.promise("foo").done(function() {
equal( counter, 0, "Deferred for collection with no queue is automatically resolved" );
});
$div
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.queue("foo",function(){
equal( ++counter, 1, "Dequeuing" );
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jQuery.dequeue(this,"foo");
})
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.queue("foo",function(){
equal( ++counter, 2, "Dequeuing" );
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jQuery(this).dequeue("foo");
})
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.queue("foo",function(){
equal( ++counter, 3, "Dequeuing" );
})
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.queue("foo",function(){
equal( ++counter, 4, "Dequeuing" );
});
defer = $div.promise("foo").done(function() {
equal( counter, 4, "Testing previous call to dequeue in deferred" );
start();
});
equal( $div.queue("foo").length, 4, "Testing queue length" );
equal( $div.queue("foo", undefined).queue("foo").length, 4, ".queue('name',undefined) does nothing but is chainable (#5571)");
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$div.dequeue("foo");
equal( counter, 3, "Testing previous call to dequeue" );
equal( $div.queue("foo").length, 1, "Testing queue length" );
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$div.dequeue("foo");
equal( counter, 4, "Testing previous call to dequeue" );
equal( $div.queue("foo").length, 0, "Testing queue length" );
});
test("queue(name) passes in the next item in the queue as a parameter", function() {
expect(2);
var div = jQuery({});
var counter = 0;
div.queue("foo", function(next) {
equal(++counter, 1, "Dequeueing");
next();
}).queue("foo", function(next) {
equal(++counter, 2, "Next was called");
next();
}).queue("bar", function() {
equal(++counter, 3, "Other queues are not triggered by next()")
});
div.dequeue("foo");
});
test("queue() passes in the next item in the queue as a parameter to fx queues", function() {
expect(3);
stop();
var div = jQuery({});
var counter = 0;
div.queue(function(next) {
equal(++counter, 1, "Dequeueing");
var self = this;
setTimeout(function() { next() }, 500);
}).queue(function(next) {
equal(++counter, 2, "Next was called");
next();
}).queue("bar", function() {
equal(++counter, 3, "Other queues are not triggered by next()")
});
jQuery.when( div.promise("fx"), div ).done(function() {
equal(counter, 2, "Deferreds resolved");
start();
});
});
test("callbacks keep their place in the queue", function() {
expect(5);
stop();
var div = jQuery("<div>"),
counter = 0;
div.queue(function( next ) {
equal( ++counter, 1, "Queue/callback order: first called" );
setTimeout( next, 200 );
}).show(100, function() {
equal( ++counter, 2, "Queue/callback order: second called" );
jQuery(this).hide(100, function() {
equal( ++counter, 4, "Queue/callback order: fourth called" );
});
}).queue(function( next ) {
equal( ++counter, 3, "Queue/callback order: third called" );
next();
});
div.promise("fx").done(function() {
equal(counter, 4, "Deferreds resolved");
jQuery.removeData( div[0], "olddisplay", true );
start();
});
});
test("delay()", function() {
expect(2);
stop();
var foo = jQuery({}), run = 0;
foo.delay(100).queue(function(){
run = 1;
ok( true, "The function was dequeued." );
start();
});
equal( run, 0, "The delay delayed the next function from running." );
});
test("delay() can be stopped", function() {
expect( 3 );
stop();
var foo = jQuery({}), run = 0;
foo
.queue( "alternate", function( next ) {
run++;
ok( true, "This first function was dequeued" );
next();
})
.delay( 1000, "alternate" )
.queue( "alternate", function() {
run++;
ok( true, "The function was dequeued immediately, the delay was stopped" );
})
.dequeue( "alternate" )
// stop( "alternate", false ) will NOT clear the queue, so it should automatically dequeue the next
.stop( "alternate", false, false )
// this test
.delay( 1000 )
.queue(function() {
run++;
ok( false, "This queue should never run" );
})
// stop( clearQueue ) should clear the queue
.stop( true, false );
equal( run, 2, "Queue ran the proper functions" );
setTimeout( start, 2000 );
});
test("clearQueue(name) clears the queue", function() {
expect(2);
stop()
var div = jQuery({});
var counter = 0;
div.queue("foo", function(next) {
counter++;
jQuery(this).clearQueue("foo");
next();
}).queue("foo", function(next) {
counter++;
});
div.promise("foo").done(function() {
ok( true, "dequeue resolves the deferred" );
start();
});
div.dequeue("foo");
equal(counter, 1, "the queue was cleared");
});
test("clearQueue() clears the fx queue", function() {
expect(1);
var div = jQuery({});
var counter = 0;
div.queue(function(next) {
counter++;
var self = this;
setTimeout(function() { jQuery(self).clearQueue(); next(); }, 50);
}).queue(function(next) {
counter++;
});
equal(counter, 1, "the queue was cleared");
div.removeData();
});
test("_mark() and _unmark()", function() {
expect(1);
var div = {},
$div = jQuery( div );
stop();
jQuery._mark( div, "foo" );
jQuery._mark( div, "foo" );
jQuery._unmark( div, "foo" );
jQuery._unmark( div, "foo" );
$div.promise( "foo" ).done(function() {
ok( true, "No more marks" );
start();
});
});
test("_mark() and _unmark() default to 'fx'", function() {
expect(1);
var div = {},
$div = jQuery( div );
stop();
jQuery._mark( div );
jQuery._mark( div );
jQuery._unmark( div, "fx" );
jQuery._unmark( div );
$div.promise().done(function() {
ok( true, "No more marks" );
start();
});
});
test("promise()", function() {
expect(1);
stop();
var objects = [];
jQuery.each( [{}, {}], function( i, div ) {
var $div = jQuery( div );
$div.queue(function( next ) {
setTimeout( function() {
if ( i ) {
next();
setTimeout( function() {
jQuery._unmark( div );
}, 20 );
} else {
jQuery._unmark( div );
setTimeout( function() {
next();
}, 20 );
}
}, 50 );
}).queue(function( next ) {
next();
});
jQuery._mark( div );
objects.push( $div );
});
jQuery.when.apply( jQuery, objects ).done(function() {
ok( true, "Deferred resolved" );
start();
});
jQuery.each( objects, function() {
this.dequeue();
});
});
test(".promise(obj)", function() {
expect(2);
var obj = {};
var promise = jQuery( "#foo" ).promise( "promise", obj );
ok( jQuery.isFunction( promise.promise ), ".promise(type, obj) returns a promise" );
strictEqual( promise, obj, ".promise(type, obj) returns obj" );
});