$(function () { 'use strict'; module('scrollspy plugin') test('should be defined on jquery object', function () { ok($(document.body).scrollspy, 'scrollspy method is defined') }) module('scrollspy', { setup: function () { // Run all tests in noConflict mode -- it's the only way to ensure that the plugin works in noConflict mode $.fn.bootstrapScrollspy = $.fn.scrollspy.noConflict() }, teardown: function () { $.fn.scrollspy = $.fn.bootstrapScrollspy delete $.fn.bootstrapScrollspy } }) test('should provide no conflict', function () { strictEqual($.fn.scrollspy, undefined, 'scrollspy was set back to undefined (org value)') }) test('should return jquery collection containing the element', function () { var $el = $('<div/>') var $scrollspy = $el.bootstrapScrollspy() ok($scrollspy instanceof $, 'returns jquery collection') strictEqual($scrollspy[0], $el[0], 'collection contains element') }) test('should only switch "active" class on current target', function () { stop() var sectionHTML = '<div id="root" class="active">' + '<div class="topbar">' + '<div class="topbar-inner">' + '<div class="container" id="ss-target">' + '<ul class="nav">' + '<li><a href="#masthead">Overview</a></li>' + '<li><a href="#detail">Detail</a></li>' + '</ul>' + '</div>' + '</div>' + '</div>' + '<div id="scrollspy-example" style="height: 100px; overflow: auto;">' + '<div style="height: 200px;">' + '<h4 id="masthead">Overview</h4>' + '<p style="height: 200px">' + 'Ad leggings keytar, brunch id art party dolor labore.' + '</p>' + '</div>' + '<div style="height: 200px;">' + '<h4 id="detail">Detail</h4>' + '<p style="height: 200px">' + 'Veniam marfa mustache skateboard, adipisicing fugiat velit pitchfork beard.' + '</p>' + '</div>' + '</div>' + '</div>' var $section = $(sectionHTML).appendTo('#qunit-fixture') var $scrollspy = $section .show() .find('#scrollspy-example') .bootstrapScrollspy({ target: '#ss-target' }) $scrollspy.on('scroll.bs.scrollspy', function () { ok($section.hasClass('active'), '"active" class still on root node') start() }) $scrollspy.scrollTop(350) }) test('should correctly select middle navigation option when large offset is used', function () { stop() var sectionHTML = '<div id="header" style="height: 500px;"></div>' + '<nav id="navigation" class="navbar">' + '<ul class="nav navbar-nav">' + '<li class="active"><a id="one-link" href="#one">One</a></li>' + '<li><a id="two-link" href="#two">Two</a></li>' + '<li><a id="three-link" href="#three">Three</a></li>' + '</ul>' + '</nav>' + '<div id="content" style="height: 200px; overflow-y: auto;">' + '<div id="one" style="height: 500px;"></div>' + '<div id="two" style="height: 300px;"></div>' + '<div id="three" style="height: 10px;"></div>' + '</div>' var $section = $(sectionHTML).appendTo('#qunit-fixture') var $scrollspy = $section .show() .filter('#content') $scrollspy.bootstrapScrollspy({ target: '#navigation', offset: $scrollspy.position().top }) $scrollspy.on('scroll.bs.scrollspy', function () { ok(!$section.find('#one-link').parent().hasClass('active'), '"active" class removed from first section') ok($section.find('#two-link').parent().hasClass('active'), '"active" class on middle section') ok(!$section.find('#three-link').parent().hasClass('active'), '"active" class not on last section') start() }) $scrollspy.scrollTop(550) }) test('should add the active class to the correct element', function () { var navbarHtml = '<nav class="navbar">' + '<ul class="nav">' + '<li id="li-1"><a href="#div-1">div 1</a></li>' + '<li id="li-2"><a href="#div-2">div 2</a></li>' + '</ul>' + '</nav>' var contentHtml = '<div class="content" style="overflow: auto; height: 50px">' + '<div id="div-1" style="height: 100px; padding: 0; margin: 0">div 1</div>' + '<div id="div-2" style="height: 200px; padding: 0; margin: 0">div 2</div>' + '</div>' $(navbarHtml).appendTo('#qunit-fixture') var $content = $(contentHtml) .appendTo('#qunit-fixture') .bootstrapScrollspy({ offset: 0, target: '.navbar' }) var testElementIsActiveAfterScroll = function (element, target) { var deferred = $.Deferred() var scrollHeight = Math.ceil($content.scrollTop() + $(target).position().top) stop() $content.one('scroll', function () { ok($(element).hasClass('active'), 'target:' + target + ', element' + element) start() deferred.resolve() }) $content.scrollTop(scrollHeight) return deferred.promise() } $.when(testElementIsActiveAfterScroll('#li-1', '#div-1')) .then(function () { return testElementIsActiveAfterScroll('#li-2', '#div-2') }) }) test('should clear selection if above the first section', function () { stop() var sectionHTML = '<div id="header" style="height: 500px;"></div>' + '<nav id="navigation" class="navbar">' + '<ul class="nav navbar-nav">' + '<li class="active"><a id="one-link" href="#one">One</a></li>' + '<li><a id="two-link" href="#two">Two</a></li>' + '<li><a id="three-link" href="#three">Three</a></li>' + '</ul>' + '</nav>' $(sectionHTML).appendTo('#qunit-fixture') var scrollspyHTML = '<div id="content" style="height: 200px; overflow-y: auto;">' + '<div id="spacer" style="height: 100px;"/>' + '<div id="one" style="height: 100px;"/>' + '<div id="two" style="height: 100px;"/>' + '<div id="three" style="height: 100px;"/>' + '<div id="spacer" style="height: 100px;"/>' + '</div>' var $scrollspy = $(scrollspyHTML).appendTo('#qunit-fixture') $scrollspy .bootstrapScrollspy({ target: '#navigation', offset: $scrollspy.position().top }) .one('scroll.bs.scrollspy', function () { strictEqual($('.active').length, 1, '"active" class on only one element present') strictEqual($('.active').has('#two-link').length, 1, '"active" class on second section') $scrollspy .one('scroll.bs.scrollspy', function () { strictEqual($('.active').length, 0, 'selection cleared') start() }) .scrollTop(0) }) .scrollTop(201) }) })