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Bootstrap/js/tests/unit/scrollspy.js

421 lines
17 KiB
JavaScript

$(function () {
'use strict';
QUnit.module('scrollspy plugin')
QUnit.test('should be defined on jquery object', function (assert) {
assert.expect(1)
assert.ok($(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' })
$scrollspy.on('scroll.bs.scrollspy', function () {
assert.ok($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') })
$scrollspy.on('scroll.bs.scrollspy', function () {
assert.ok($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 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 })
$scrollspy.on('scroll.bs.scrollspy', function () {
assert.ok(!$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 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('#a-1', '#div-1'))
.then(function () { return testElementIsActiveAfterScroll('#a-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><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)
}()
})
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: $scrollspy.position().top
})
.one('scroll.bs.scrollspy', function () {
assert.strictEqual($('.active').length, 1, '"active" class on only one element present')
assert.strictEqual($('.active').is('#two-link'), true, '"active" class on second section')
$scrollspy
.one('scroll.bs.scrollspy', function () {
assert.strictEqual($('.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><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)
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') })
})
QUnit.test('should allow passed in option offset method: offset', function (assert) {
assert.expect(4)
var testOffsetMethod = function (type) {
var deferred = $.Deferred()
var navbarHtml =
'<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 contentHtml =
'<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>'
$(navbarHtml).appendTo('#qunit-fixture')
var $content = $(contentHtml)
.appendTo('#qunit-fixture')
if (type === 'js') $content.bootstrapScrollspy({ target: '.navbar', offset: 0, method: 'offset' })
else if (type === 'data') $(window).trigger('load.bs.scrollspy.data-api')
var $target = $('#div-' + type + 'm-2')
var scrollspy = $content.data('bs.scrollspy')
assert.ok(scrollspy._offsets[1] === $target.offset().top, 'offsed method with ' + type + ' option')
assert.ok(scrollspy._offsets[1] !== $target.position().top, 'position method with ' + type + ' option')
deferred.resolve()
return deferred.promise()
}
$.when(testOffsetMethod('js'))
.then(function () { testOffsetMethod('data') })
})
QUnit.test('should allow passed in option offset method: position', function (assert) {
assert.expect(4)
var testOffsetMethod = function (type) {
var deferred = $.Deferred()
var navbarHtml =
'<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 contentHtml =
'<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>'
$(navbarHtml).appendTo('#qunit-fixture')
var $content = $(contentHtml)
.appendTo('#qunit-fixture')
if (type === 'js') $content.bootstrapScrollspy({ target: '.navbar', offset: 0, method: 'position' })
else if (type === 'data') $(window).trigger('load.bs.scrollspy.data-api')
var $target = $('#div-' + type + 'm-2')
var scrollspy = $content.data('bs.scrollspy')
assert.ok(scrollspy._offsets[1] !== $target.offset().top, 'offsed method with ' + type + ' option')
assert.ok(scrollspy._offsets[1] === $target.position().top, 'position method with ' + type + ' option')
deferred.resolve()
return deferred.promise()
}
$.when(testOffsetMethod('js'))
.then(function () { testOffsetMethod('data') })
})
})