0
0
mirror of https://github.com/twbs/bootstrap.git synced 2024-12-10 22:24:19 +01:00
Bootstrap/js/tests/unit/affix.js
2015-02-23 22:14:11 -08:00

102 lines
3.1 KiB
JavaScript

$(function () {
'use strict';
QUnit.module('affix plugin')
QUnit.test('should be defined on jquery object', function (assert) {
assert.ok($(document.body).affix, 'affix method is defined')
})
QUnit.module('affix', {
setup: function () {
// Run all tests in noConflict mode -- it's the only way to ensure that the plugin works in noConflict mode
$.fn.bootstrapAffix = $.fn.affix.noConflict()
},
teardown: function () {
$.fn.affix = $.fn.bootstrapAffix
delete $.fn.bootstrapAffix
}
})
QUnit.test('should provide no conflict', function (assert) {
assert.strictEqual($.fn.affix, undefined, 'affix was set back to undefined (org value)')
})
QUnit.test('should return jquery collection containing the element', function (assert) {
var $el = $('<div/>')
var $affix = $el.bootstrapAffix()
assert.ok($affix instanceof $, 'returns jquery collection')
assert.strictEqual($affix[0], $el[0], 'collection contains element')
})
QUnit.test('should exit early if element is not visible', function (assert) {
var $affix = $('<div style="display: none"/>').bootstrapAffix()
$affix.data('bs.affix').checkPosition()
assert.ok(!$affix.hasClass('affix'), 'affix class was not added')
})
QUnit.test('should trigger affixed event after affix', function (assert) {
var done = assert.async()
var templateHTML = '<div id="affixTarget">'
+ '<ul>'
+ '<li>Please affix</li>'
+ '<li>And unaffix</li>'
+ '</ul>'
+ '</div>'
+ '<div id="affixAfter" style="height: 20000px; display: block;"/>'
$(templateHTML).appendTo(document.body)
$('#affixTarget').bootstrapAffix({
offset: $('#affixTarget ul').position()
})
$('#affixTarget')
.on('affix.bs.affix', function () {
assert.ok(true, 'affix event fired')
}).on('affixed.bs.affix', function () {
assert.ok(true, 'affixed event fired')
$('#affixTarget, #affixAfter').remove()
done()
})
setTimeout(function () {
window.scrollTo(0, document.body.scrollHeight)
setTimeout(function () {
window.scroll(0, 0)
}, 16) // for testing in a browser
}, 0)
})
QUnit.test('should affix-top when scrolling up to offset when parent has padding', function (assert) {
var done = assert.async()
var templateHTML = '<div id="padding-offset" style="padding-top: 20px;">'
+ '<div id="affixTopTarget">'
+ '<p>Testing affix-top class is added</p>'
+ '</div>'
+ '<div style="height: 1000px; display: block;"/>'
+ '</div>'
$(templateHTML).appendTo(document.body)
$('#affixTopTarget')
.bootstrapAffix({
offset: { top: 120, bottom: 0 }
})
.on('affixed-top.bs.affix', function () {
assert.ok($('#affixTopTarget').hasClass('affix-top'), 'affix-top class applied')
$('#padding-offset').remove()
done()
})
setTimeout(function () {
window.scrollTo(0, document.body.scrollHeight)
setTimeout(function () {
window.scroll(0, 119)
}, 250)
}, 250)
})
})