$(function () { 'use strict' QUnit.module('scrollspy plugin') QUnit.test('should be defined on jquery object', function (assert) { assert.expect(1) assert.ok($(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 throw explicit error on undefined method', function (assert) { assert.expect(1) var $el = $('
') $el.bootstrapScrollspy() try { $el.bootstrapScrollspy('noMethod') } catch (err) { assert.strictEqual(err.message, 'No method named "noMethod"') } }) QUnit.test('should return jquery collection containing the element', function (assert) { assert.expect(2) var $el = $('
') 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 = '
' + '
' + '
' + '
' + '' + '
' + '
' + '
' + '
' + '
' + '

Overview

' + '

' + 'Ad leggings keytar, brunch id art party dolor labore.' + '

' + '
' + '
' + '

Detail

' + '

' + 'Veniam marfa mustache skateboard, adipisicing fugiat velit pitchfork beard.' + '

' + '
' + '
' + '
' var $section = $(sectionHTML).appendTo('#qunit-fixture') var $scrollspy = $section .show() .find('#scrollspy-example') .bootstrapScrollspy({ target: '#ss-target' }) $scrollspy.one('scroll', function () { assert.ok($section.hasClass('active'), '"active" class still on root node') done() }) $scrollspy.scrollTop(350) }) QUnit.test('should only switch "active" class on current target specified w element', function (assert) { assert.expect(1) var done = assert.async() var sectionHTML = '
' + '
' + '
' + '
' + '' + '
' + '
' + '
' + '
' + '
' + '

Overview

' + '

' + 'Ad leggings keytar, brunch id art party dolor labore.' + '

' + '
' + '
' + '

Detail

' + '

' + 'Veniam marfa mustache skateboard, adipisicing fugiat velit pitchfork beard.' + '

' + '
' + '
' + '
' var $section = $(sectionHTML).appendTo('#qunit-fixture') var $scrollspy = $section .show() .find('#scrollspy-example') .bootstrapScrollspy({ target: document.getElementById('#ss-target') }) $scrollspy.one('scroll', function () { assert.ok($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 = '' + '' + '
' + '
' + '
' + '
' + '
' var $section = $(sectionHTML).appendTo('#qunit-fixture') var $scrollspy = $section .show() .filter('#content') $scrollspy.bootstrapScrollspy({ target: '#navigation', offset: $scrollspy.position().top }) $scrollspy.one('scroll', function () { assert.ok(!$section.find('#one-link').hasClass('active'), '"active" class removed from first section') assert.ok($section.find('#two-link').hasClass('active'), '"active" class on middle section') assert.ok(!$section.find('#three-link').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 = '' var contentHtml = '
' + '
div 1
' + '
div 2
' + '
' $(navbarHtml).appendTo('#qunit-fixture') var $content = $(contentHtml) .appendTo('#qunit-fixture') .bootstrapScrollspy({ offset: 0, target: '.navbar' }) var done = assert.async() var testElementIsActiveAfterScroll = function (element, target) { var deferred = $.Deferred() var scrollHeight = Math.ceil($content.scrollTop() + $(target).position().top) $content.one('scroll', function () { assert.ok($(element).hasClass('active'), 'target:' + target + ', element' + element) deferred.resolve() }) $content.scrollTop(scrollHeight) return deferred.promise() } $.when(testElementIsActiveAfterScroll('#a-1', '#div-1')) .then(function () { return testElementIsActiveAfterScroll('#a-2', '#div-2') }) .then(function () { done() }) }) 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 = '' var contentHtml = '
' + '
' + '
div 2
' + '
' + '
' $(navbarHtml).appendTo('#qunit-fixture') var $content = $(contentHtml) .appendTo('#qunit-fixture') .bootstrapScrollspy({ offset: 0, target: '#navigation' }) function testActiveElements() { if (++times > 3) { return done() } $content.one('scroll', function () { assert.ok($('#a-1').hasClass('active'), 'nav item for outer element has "active" class') assert.ok($('#a-2').hasClass('active'), 'nav item for inner element has "active" class') testActiveElements() }) $content.scrollTop($content.scrollTop() + 10) } testActiveElements() }) QUnit.test('should clear selection if above the first section', function (assert) { assert.expect(3) var done = assert.async() var sectionHTML = '' + '' $(sectionHTML).appendTo('#qunit-fixture') var scrollspyHTML = '
' + '
' + '
' + '
' + '
' + '
' + '
' var $scrollspy = $(scrollspyHTML).appendTo('#qunit-fixture') $scrollspy .bootstrapScrollspy({ target: '#navigation', offset: $scrollspy.position().top }) .one('scroll', function () { assert.strictEqual($('.active').length, 1, '"active" class on only one element present') assert.strictEqual($('.active').is('#two-link'), true, '"active" class on second section') $scrollspy .one('scroll', function () { assert.strictEqual($('.active').length, 0, 'selection cleared') done() }) .scrollTop(0) }) .scrollTop(201) }) QUnit.test('should NOT clear selection if above the first section and first section is at the top', function (assert) { assert.expect(4) var done = assert.async() var sectionHTML = '' + '' $(sectionHTML).appendTo('#qunit-fixture') var negativeHeight = -10 var startOfSectionTwo = 101 var scrollspyHTML = '
' + '
' + '
' + '
' + '
' + '
' var $scrollspy = $(scrollspyHTML).appendTo('#qunit-fixture') $scrollspy .bootstrapScrollspy({ target: '#navigation', offset: $scrollspy.position().top }) .one('scroll', function () { assert.strictEqual($('.active').length, 1, '"active" class on only one element present') assert.strictEqual($('.active').is('#two-link'), true, '"active" class on second section') $scrollspy .one('scroll', function () { assert.strictEqual($('.active').length, 1, '"active" class on only one element present') assert.strictEqual($('.active').is('#one-link'), true, '"active" class on first section') done() }) .scrollTop(negativeHeight) }) .scrollTop(startOfSectionTwo) }) QUnit.test('should correctly select navigation element on backward scrolling when each target section height is 100%', function (assert) { assert.expect(5) var navbarHtml = '' var contentHtml = '
' + '
div 1
' + '
div 2
' + '
div 3
' + '
div 4
' + '
div 5
' + '
' $(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) $content.one('scroll', function () { assert.ok($(element).hasClass('active'), 'target:' + target + ', element: ' + element) deferred.resolve() }) $content.scrollTop(scrollHeight) return deferred.promise() } var done = assert.async() $.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') }) .then(function () { done() }) }) QUnit.test('should allow passed in option offset method: offset', function (assert) { assert.expect(4) var testOffsetMethod = function (type) { var $navbar = $( '' ) var $content = $( '
' + '
div 1
' + '
div 2
' + '
div 3
' + '
' ) $navbar.appendTo('#qunit-fixture') $content.appendTo('#qunit-fixture') if (type === 'js') { $content.bootstrapScrollspy({ target: '.navbar', offset: 0, method: 'offset' }) } else if (type === 'data') { $(window).trigger('load') } var $target = $('#div-' + type + 'm-2') var scrollspy = $content.data('bs.scrollspy') assert.ok(scrollspy._offsets[1] === $target.offset().top, 'offset method with ' + type + ' option') assert.ok(scrollspy._offsets[1] !== $target.position().top, 'position method with ' + type + ' option') $navbar.remove() $content.remove() } testOffsetMethod('js') testOffsetMethod('data') }) QUnit.test('should allow passed in option offset method: position', function (assert) { assert.expect(4) var testOffsetMethod = function (type) { var $navbar = $( '' ) var $content = $( '
' + '
div 1
' + '
div 2
' + '
div 3
' + '
' ) $navbar.appendTo('#qunit-fixture') $content.appendTo('#qunit-fixture') if (type === 'js') { $content.bootstrapScrollspy({ target: '.navbar', offset: 0, method: 'position' }) } else if (type === 'data') { $(window).trigger('load') } var $target = $('#div-' + type + 'm-2') var scrollspy = $content.data('bs.scrollspy') assert.ok(scrollspy._offsets[1] !== $target.offset().top, 'offset method with ' + type + ' option') assert.ok(scrollspy._offsets[1] === $target.position().top, 'position method with ' + type + ' option') $navbar.remove() $content.remove() } testOffsetMethod('js') testOffsetMethod('data') }) })