$(function () { 'use strict'; QUnit.module('scrollspy plugin') QUnit.test('should be defined on jquery object', function (assert) { assert.expect(1) assert.ok($(document.body).scrollspy, 'scrollspy method is defined') }) QUnit.module('scrollspy', { beforeEach: 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() }, afterEach: function () { $.fn.scrollspy = $.fn.bootstrapScrollspy delete $.fn.bootstrapScrollspy } }) QUnit.test('should provide no conflict', function (assert) { assert.expect(1) assert.strictEqual($.fn.scrollspy, undefined, 'scrollspy was set back to undefined (org value)') }) QUnit.test('should return jquery collection containing the element', function (assert) { assert.expect(2) var $el = $('<div/>') var $scrollspy = $el.bootstrapScrollspy() assert.ok($scrollspy instanceof $, 'returns jquery collection') assert.strictEqual($scrollspy[0], $el[0], 'collection contains element') }) QUnit.test('should only switch "active" class on current target', function (assert) { assert.expect(1) var done = assert.async() 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' }) $scrollspy.on('scroll.bs.scrollspy', function () { assert.ok($section.hasClass('active'), '"active" class still on root node') done() }) $scrollspy.scrollTop(350) }) QUnit.test('should correctly select middle navigation option when large offset is used', function (assert) { assert.expect(3) var done = assert.async() 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 }) $scrollspy.on('scroll.bs.scrollspy', function () { assert.ok(!$section.find('#one-link').parent().hasClass('active'), '"active" class removed from first section') assert.ok($section.find('#two-link').parent().hasClass('active'), '"active" class on middle section') assert.ok(!$section.find('#three-link').parent().hasClass('active'), '"active" class not on last section') done() }) $scrollspy.scrollTop(550) }) QUnit.test('should add the active class to the correct element', function (assert) { assert.expect(2) 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) var done = assert.async() $content.one('scroll', function () { assert.ok($(element).hasClass('active'), 'target:' + target + ', element' + element) done() deferred.resolve() }) $content.scrollTop(scrollHeight) return deferred.promise() } $.when(testElementIsActiveAfterScroll('#li-1', '#div-1')) .then(function () { return testElementIsActiveAfterScroll('#li-2', '#div-2') }) }) QUnit.test('should add the active class correctly when there are nested elements at 0 scroll offset', function (assert) { assert.expect(6) var times = 0 var done = assert.async() var navbarHtml = '<nav id="navigation" class="navbar">' + '<ul class="nav">' + '<li id="li-1"><a href="#div-1">div 1</a>' + '<ul>' + '<li id="li-2"><a href="#div-2">div 2</a></li>' + '</ul>' + '</li>' + '</ul>' + '</nav>' var contentHtml = '<div class="content" style="position: absolute; top: 0px; overflow: auto; height: 50px">' + '<div id="div-1" style="padding: 0; margin: 0">' + '<div id="div-2" style="height: 200px; padding: 0; margin: 0">div 2</div>' + '</div>' + '</div>' $(navbarHtml).appendTo('#qunit-fixture') var $content = $(contentHtml) .appendTo('#qunit-fixture') .bootstrapScrollspy({ offset: 0, target: '#navigation' }) !function testActiveElements() { if (++times > 3) return done() $content.one('scroll', function () { assert.ok($('#li-1').hasClass('active'), 'nav item for outer element has "active" class') assert.ok($('#li-2').hasClass('active'), 'nav item for inner element has "active" class') testActiveElements() }) $content.scrollTop($content.scrollTop() + 10) }() }) QUnit.test('should clear selection if above the first section', function (assert) { assert.expect(3) var done = assert.async() 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: $scrollspy.position().top }) .one('scroll.bs.scrollspy', function () { assert.strictEqual($('.active').length, 1, '"active" class on only one element present') assert.strictEqual($('.active').has('#two-link').length, 1, '"active" class on second section') $scrollspy .one('scroll.bs.scrollspy', function () { assert.strictEqual($('.active').length, 0, 'selection cleared') done() }) .scrollTop(0) }) .scrollTop(201) }) QUnit.test('should correctly select navigation element on backward scrolling when each target section height is 100%', function (assert) { assert.expect(5) var navbarHtml = '<nav class="navbar">' + '<ul class="nav">' + '<li id="li-100-1"><a href="#div-100-1">div 1</a></li>' + '<li id="li-100-2"><a href="#div-100-2">div 2</a></li>' + '<li id="li-100-3"><a href="#div-100-3">div 3</a></li>' + '<li id="li-100-4"><a href="#div-100-4">div 4</a></li>' + '<li id="li-100-5"><a href="#div-100-5">div 5</a></li>' + '</ul>' + '</nav>' var contentHtml = '<div class="content" style="position: relative; overflow: auto; height: 100px">' + '<div id="div-100-1" style="position: relative; height: 100%; padding: 0; margin: 0">div 1</div>' + '<div id="div-100-2" style="position: relative; height: 100%; padding: 0; margin: 0">div 2</div>' + '<div id="div-100-3" style="position: relative; height: 100%; padding: 0; margin: 0">div 3</div>' + '<div id="div-100-4" style="position: relative; height: 100%; padding: 0; margin: 0">div 4</div>' + '<div id="div-100-5" style="position: relative; height: 100%; padding: 0; margin: 0">div 5</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) var done = assert.async() $content.one('scroll', function () { assert.ok($(element).hasClass('active'), 'target:' + target + ', element: ' + element) done() deferred.resolve() }) $content.scrollTop(scrollHeight) return deferred.promise() } $.when(testElementIsActiveAfterScroll('#li-100-5', '#div-100-5')) .then(function () { return testElementIsActiveAfterScroll('#li-100-4', '#div-100-4') }) .then(function () { return testElementIsActiveAfterScroll('#li-100-3', '#div-100-3') }) .then(function () { return testElementIsActiveAfterScroll('#li-100-2', '#div-100-2') }) .then(function () { return testElementIsActiveAfterScroll('#li-100-1', '#div-100-1') }) }) })