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<!DOCTYPE html PUBLIC "-//W3C//DTD HTML 4.01//EN">
<html>
<head>
<meta charset="utf-8">
<title>
Scrollwatcher tests
</title>
<link rel="stylesheet" href="http://code.jquery.com/qunit/qunit-1.20.0.css" type="text/css">
<style>
.stuck{
position:fixed;
top:0;
}
.outer, .outer2 {
height: 5000px;
position: relative;
border: 1px solid skyblue;
}
.inner {
font-size: 100px;
width: 100%;
border: 1px solid pink;
}
body {
padding-bottom: 3000px;
}
</style>
</head>
<body>
<div class="outer">
<div class="inner">
<div class="text"></div>
<div class="meter"></div>
</div>
</div>
<div style="position: fixed; top: 0;">
<p>This page contains QUnit tests for <a href="http://github.com/wsj/scroll-watcher/">scrollWatcher</a>.</p>
<div id="qunit"></div>
<div id="qunit-fixture"></div>
</div>
<script src="http://code.jquery.com/jquery-latest.min.js"></script>
<script src="https://rawgit.com/bbarakaci/fixto/master/dist/fixto.js"></script>
<script src="scroll-watcher.js"></script>
<script src="http://code.jquery.com/qunit/qunit-1.20.0.js" type="text/javascript">
</script>
<script>
QUnit.test( "init without callback", function( assert ) {
assert.throws(function(){
scrollWatcher({
parent: '.outer'
});
});
});
QUnit.test( "init with callback", function( assert ) {
var done = assert.async();
var sw = scrollWatcher({
parent: '.outer',
onUpdate: function(){
done();
sw.stop();
}
});
assert.notEqual( $('.outer').attr('id'), '' );
});
QUnit.test( "stop", function( assert ) {
var sw = scrollWatcher({
parent: '.outer',
onUpdate: function(){}
});
assert.notEqual( $('.outer').attr('id'), '' );
sw.stop();
assert.equal( $('.outer').attr('id'), '' );
});
QUnit.test( "stop", function( assert ) {
var done = assert.async();
var sw = scrollWatcher({
parent: '.outer',
onUpdate: function(scroll,$parent){
$parent.find('.text').text( scroll.toFixed(10) );
}
});
window.scrollTo(0,5000);
setTimeout(function(){
assert.equal($('.text').text(), "100.0000000000", 'Is scrolled to 100%');
sw.stop();
window.scrollTo(0,0);
done();
},100);
});
QUnit.test( "pause", function( assert ) {
var done = assert.async();
var sw = scrollWatcher({
parent: '.outer',
onUpdate: function(scroll,$parent){}
});
setTimeout(function(){
assert.notEqual( $('.outer').attr('id'), '' );
sw.pause();
setTimeout(function(){
assert.notEqual( $('.outer').attr('id'), '' );
sw.stop();
assert.equal( $('.outer').attr('id'), '' );
done();
},100);
},100);
});
QUnit.test( "Run 100% once only", function( assert ) {
var done = assert.async();
assert.expect(1);
var sw = scrollWatcher({
parent: '.outer',
onUpdate: function(scroll,$parent){
$parent.find('.text').text( scroll.toFixed(5) );
assert.ok(true, 'onUpdate runs');
}
});
window.scrollTo(0,10000);
setTimeout(function(){
sw.stop();
window.scrollTo(0,0);
done();
},1000);
});
QUnit.test( "Run 0% once only", function( assert ) {
var done = assert.async();
assert.expect(2);
var sw = scrollWatcher({
parent: '.outer',
onUpdate: function(scroll,$parent){
$parent.find('.text').text( scroll.toFixed(5) );
}
});
window.scrollTo(0,10000);
setTimeout(function(){
assert.equal($('.text').text(), '100.00000', 'Callback on 100%');
window.scrollTo(0,0);
setTimeout(function(){
assert.equal($('.text').text(), '0.00000', 'Callback on 0%');
sw.stop();
done();
},100);
},100);
});
QUnit.test( "Run 100% once after overshoot", function( assert ) {
var done = assert.async();
assert.expect(3);
var loop = 0;
window.scrollTo(0,0);
var sw = scrollWatcher({
parent: '.outer',
onUpdate: function(scroll,$parent){
if (loop === 0) {
assert.equal(scroll, 0);
window.scrollTo(0,200);
} else if (loop === 1) {
assert.ok((scroll.toFixed(0) > 0) && (scroll.toFixed(0) < 100), 'Between 0 and 100');
window.scrollTo(0,10000);
} else if (loop >= 2) {
assert.equal(scroll, 100);
}
loop++;
}
});
setTimeout(function(){
sw.stop();
window.scrollTo(0,0);
done();
},1000);
});
QUnit.test( "Sticks with tall element", function( assert ) {
var done = assert.async();
var testDiv = '<div id="testDiv" style="height: '+ ($(window).height() *2)+'px;"></div>';
$('.inner').append( testDiv );
window.scrollTo(0,200);
var loop = 0;
var sw = scrollWatcher({
parent: '.outer',
onUpdate: function( scroll ){
window.scrollTo(0,5000);
if (loop > 0) {
assert.ok( scroll > 0, 'Scroll is greater than 0' );
assert.ok( $('.inner').offset().top > 100, 'Inner is stuck');
sw.stop();
$('#testDiv').remove();
window.scrollTo(0,0);
done();
}
loop += 1;
}
});
});
QUnit.test( "Active is correct", function( assert ) {
var done = assert.async();
assert.expect(3);
var sw = scrollWatcher({
parent: '.outer',
onUpdate: function(scroll,$parent){
// nada
}
});
assert.ok(!sw.active);
window.scrollTo(0,1000);
setTimeout(function(){
assert.ok(sw.active);
window.scrollTo(0,0);
setTimeout(function(){
assert.ok(!sw.active);
sw.stop();
done();
},100);
},100);
});
QUnit.test( "hasBeenActive is correct", function( assert ) {
var done = assert.async();
assert.expect(3);
var sw = scrollWatcher({
parent: '.outer',
onUpdate: function(scroll,$parent){
// nada
}
});
assert.ok(!sw.hasBeenActive);
window.scrollTo(0,1000);
setTimeout(function(){
assert.ok(sw.hasBeenActive);
window.scrollTo(0,0);
setTimeout(function(){
assert.ok(sw.hasBeenActive);
sw.stop();
done();
},100);
},100);
});
</script>
</body>
</html>