test/unit/queue.js

   1 module("queue");
   2
   3 test("queue() with other types",function() {
   4         expect(9);
   5         var counter = 0;
   6
   7         var $div = jQuery({});
   8
   9         $div
  10                 .queue('foo',function(){
  11                         equals( ++counter, 1, "Dequeuing" );
  12                         jQuery.dequeue(this,'foo');
  13                 })
  14                 .queue('foo',function(){
  15                         equals( ++counter, 2, "Dequeuing" );
  16                         jQuery(this).dequeue('foo');
  17                 })
  18                 .queue('foo',function(){
  19                         equals( ++counter, 3, "Dequeuing" );
  20                 })
  21                 .queue('foo',function(){
  22                         equals( ++counter, 4, "Dequeuing" );
  23                 });
  24
  25         equals( $div.queue('foo').length, 4, "Testing queue length" );
  26
  27         $div.dequeue('foo');
  28
  29         equals( counter, 3, "Testing previous call to dequeue" );
  30         equals( $div.queue('foo').length, 1, "Testing queue length" );
  31
  32         $div.dequeue('foo');
  33
  34         equals( counter, 4, "Testing previous call to dequeue" );
  35         equals( $div.queue('foo').length, 0, "Testing queue length" );
  36 });
  37
  38 test("queue(name) passes in the next item in the queue as a parameter", function() {
  39         expect(2);
  40
  41         var div = jQuery({});
  42         var counter = 0;
  43
  44         div.queue("foo", function(next) {
  45                 equals(++counter, 1, "Dequeueing");
  46                 next();
  47         }).queue("foo", function(next) {
  48                 equals(++counter, 2, "Next was called");
  49                 next();
  50         }).queue("bar", function() {
  51                 equals(++counter, 3, "Other queues are not triggered by next()")
  52         });
  53
  54         div.dequeue("foo");
  55 });
  56
  57 test("queue(name) passes in the next item in the queue as a parameter", function() {
  58         expect(2);
  59
  60         var div = jQuery({});
  61         var counter = 0;
  62
  63         div.queue("foo", function(next) {
  64                 equals(++counter, 1, "Dequeueing");
  65                 next();
  66         }).queue("foo", function(next) {
  67                 equals(++counter, 2, "Next was called");
  68                 next();
  69         }).queue("bar", function() {
  70                 equals(++counter, 3, "Other queues are not triggered by next()")
  71         });
  72
  73         div.dequeue("foo");
  74 });
  75
  76 test("queue() passes in the next item in the queue as a parameter to fx queues", function() {
  77         expect(2);
  78         stop();
  79
  80         var div = jQuery({});
  81         var counter = 0;
  82
  83         div.queue(function(next) {
  84                 equals(++counter, 1, "Dequeueing");
  85                 var self = this;
  86                 setTimeout(function() { next() }, 500);
  87         }).queue(function(next) {
  88                 equals(++counter, 2, "Next was called");
  89                 next();
  90                 start();
  91         }).queue("bar", function() {
  92                 equals(++counter, 3, "Other queues are not triggered by next()")
  93         });
  94
  95 });
  96
  97 test("delay()", function() {
  98         expect(2);
  99         stop();
 100
 101         var foo = jQuery({}), run = 0;
 102
 103         foo.delay(100).queue(function(){
 104                 run = 1;
 105                 ok( true, "The function was dequeued." );
 106                 start();
 107         });
 108
 109         equals( run, 0, "The delay delayed the next function from running." );
 110 });
 111
 112 test("clearQueue(name) clears the queue", function() {
 113         expect(1);
 114
 115         var div = jQuery({});
 116         var counter = 0;
 117
 118         div.queue("foo", function(next) {
 119                 counter++;
 120                 jQuery(this).clearQueue("foo");
 121                 next();
 122         }).queue("foo", function(next) {
 123                 counter++;
 124         });
 125
 126         div.dequeue("foo");
 127
 128         equals(counter, 1, "the queue was cleared");
 129 });
 130
 131 test("clearQueue() clears the fx queue", function() {
 132         expect(1);
 133
 134         var div = jQuery({});
 135         var counter = 0;
 136
 137         div.queue(function(next) {
 138                 counter++;
 139                 var self = this;
 140                 setTimeout(function() { jQuery(self).clearQueue(); next(); }, 50);
 141         }).queue(function(next) {
 142                 counter++;
 143         });
 144
 145         equals(counter, 1, "the queue was cleared");
 146
 147         div.removeData();
 148 });