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							464 lines
						
					
					
						
							18 KiB
						
					
					
				| $(function () { | |
|   'use strict' | |
| 
 | |
|   QUnit.module('scrollspy plugin') | |
| 
 | |
|   QUnit.test('should be defined on jquery object', function (assert) { | |
|     assert.expect(1) | |
|     assert.ok($(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 = $('<div/>') | |
|     $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 = $('<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' }) | |
| 
 | |
|     $scrollspy.one('scroll', function () { | |
|       assert.ok($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 = '<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: 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 = '<div id="header" style="height: 500px;"></div>' | |
|         + '<nav id="navigation" class="navbar">' | |
|         + '<ul class="nav navbar-nav">' | |
|         + '<li class="active"><a class="nav-link" id="one-link" href="#one">One</a></li>' | |
|         + '<li><a class="nav-link" id="two-link" href="#two">Two</a></li>' | |
|         + '<li><a class="nav-link" 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 }) | |
| 
 | |
|     $scrollspy.one('scroll', function () { | |
|       assert.ok(!$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 = | |
|         '<nav class="navbar">' | |
|       + '<ul class="nav">' | |
|       + '<li><a class="nav-link" id="a-1" href="#div-1">div 1</a></li>' | |
|       + '<li><a class="nav-link" id="a-2" 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 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 = '<nav id="navigation" class="navbar">' | |
|       + '<ul class="nav">' | |
|       + '<li><a id="a-1" class="nav-link" href="#div-1">div 1</a>' | |
|       + '<ul>' | |
|       + '<li><a id="a-2" class="nav-link" 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() } | |
| 
 | |
|       $content.one('scroll', function () { | |
|         assert.ok($('#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 = '<div id="header" style="height: 500px;"></div>' | |
|         + '<nav id="navigation" class="navbar">' | |
|         + '<ul class="nav navbar-nav">' | |
|         + '<li><a id="one-link"   class="nav-link active" href="#one">One</a></li>' | |
|         + '<li><a id="two-link"   class="nav-link" href="#two">Two</a></li>' | |
|         + '<li><a id="three-link" class="nav-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: $scrollspy.position().top | |
|       }) | |
|       .one('scroll', function () { | |
|         assert.strictEqual($('.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 = '<div id="header" style="height: 500px;"></div>' | |
|         + '<nav id="navigation" class="navbar">' | |
|         + '<ul class="nav navbar-nav">' | |
|         + '<li><a id="one-link"   class="nav-link active" href="#one">One</a></li>' | |
|         + '<li><a id="two-link"   class="nav-link" href="#two">Two</a></li>' | |
|         + '<li><a id="three-link" class="nav-link" href="#three">Three</a></li>' | |
|         + '</ul>' | |
|         + '</nav>' | |
|     $(sectionHTML).appendTo('#qunit-fixture') | |
| 
 | |
|     var negativeHeight = -10 | |
|     var startOfSectionTwo = 101 | |
| 
 | |
|     var scrollspyHTML = '<div id="content" style="height: 200px; overflow-y: auto;">' | |
|         + '<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: $scrollspy.position().top | |
|       }) | |
|       .one('scroll', function () { | |
|         assert.strictEqual($('.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 = | |
|         '<nav class="navbar">' | |
|       + '<ul class="nav">' | |
|       + '<li><a id="li-100-1" class="nav-link" href="#div-100-1">div 1</a></li>' | |
|       + '<li><a id="li-100-2" class="nav-link" href="#div-100-2">div 2</a></li>' | |
|       + '<li><a id="li-100-3" class="nav-link" href="#div-100-3">div 3</a></li>' | |
|       + '<li><a id="li-100-4" class="nav-link" href="#div-100-4">div 4</a></li>' | |
|       + '<li><a id="li-100-5" class="nav-link" 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) | |
|       $content.one('scroll', function () { | |
|         assert.ok($(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 = $( | |
|           '<nav class="navbar"' + (type === 'data' ? ' id="navbar-offset-method-menu"' : '') + '>' | |
|         + '<ul class="nav">' | |
|         + '<li><a id="li-' + type + 'm-1" class="nav-link" href="#div-' + type + 'm-1">div 1</a></li>' | |
|         + '<li><a id="li-' + type + 'm-2" class="nav-link" href="#div-' + type + 'm-2">div 2</a></li>' | |
|         + '<li><a id="li-' + type + 'm-3" class="nav-link" href="#div-' + type + 'm-3">div 3</a></li>' | |
|         + '</ul>' | |
|         + '</nav>' | |
|       ) | |
|       var $content = $( | |
|           '<div class="content"' + (type === 'data' ? ' data-spy="scroll" data-target="#navbar-offset-method-menu" data-offset="0" data-method="offset"' : '') + ' style="position: relative; overflow: auto; height: 100px">' | |
|         + '<div id="div-' + type + 'm-1" style="position: relative; height: 200px; padding: 0; margin: 0">div 1</div>' | |
|         + '<div id="div-' + type + 'm-2" style="position: relative; height: 150px; padding: 0; margin: 0">div 2</div>' | |
|         + '<div id="div-' + type + 'm-3" style="position: relative; height: 250px; padding: 0; margin: 0">div 3</div>' | |
|         + '</div>' | |
|       ) | |
| 
 | |
|       $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 = $( | |
|           '<nav class="navbar"' + (type === 'data' ? ' id="navbar-offset-method-menu"' : '') + '>' | |
|         + '<ul class="nav">' | |
|         + '<li><a class="nav-link" id="li-' + type + 'm-1" href="#div-' + type + 'm-1">div 1</a></li>' | |
|         + '<li><a class="nav-link" id="li-' + type + 'm-2" href="#div-' + type + 'm-2">div 2</a></li>' | |
|         + '<li><a class="nav-link" id="li-' + type + 'm-3" href="#div-' + type + 'm-3">div 3</a></li>' | |
|         + '</ul>' | |
|         + '</nav>' | |
|       ) | |
|       var $content = $( | |
|           '<div class="content"' + (type === 'data' ? ' data-spy="scroll" data-target="#navbar-offset-method-menu" data-offset="0" data-method="position"' : '') + ' style="position: relative; overflow: auto; height: 100px">' | |
|         + '<div id="div-' + type + 'm-1" style="position: relative; height: 200px; padding: 0; margin: 0">div 1</div>' | |
|         + '<div id="div-' + type + 'm-2" style="position: relative; height: 150px; padding: 0; margin: 0">div 2</div>' | |
|         + '<div id="div-' + type + 'm-3" style="position: relative; height: 250px; padding: 0; margin: 0">div 3</div>' | |
|         + '</div>' | |
|       ) | |
| 
 | |
|       $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') | |
|   }) | |
| 
 | |
| })
 |