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mirror of https://github.com/twbs/bootstrap.git synced 2024-12-01 13:24:25 +01:00

rewrite scrollspy unit tests

This commit is contained in:
Johann-S 2019-06-30 11:37:25 +02:00
parent 85b70cef3c
commit b7b56cb10a
6 changed files with 678 additions and 752 deletions

View File

@ -39,7 +39,7 @@ const bsPlugins = {
Dropdown: path.resolve(__dirname, '../js/src/dropdown/dropdown.js'),
Modal: path.resolve(__dirname, '../js/src/modal/modal.js'),
Popover: path.resolve(__dirname, '../js/src/popover/popover.js'),
ScrollSpy: path.resolve(__dirname, '../js/src/scrollspy.js'),
ScrollSpy: path.resolve(__dirname, '../js/src/scrollspy/scrollspy.js'),
Tab: path.resolve(__dirname, '../js/src/tab.js'),
Toast: path.resolve(__dirname, '../js/src/toast/toast.js'),
Tooltip: path.resolve(__dirname, '../js/src/tooltip/tooltip.js')

View File

@ -12,7 +12,7 @@ import Collapse from './src/collapse/collapse'
import Dropdown from './src/dropdown/dropdown'
import Modal from './src/modal/modal'
import Popover from './src/popover/popover'
import ScrollSpy from './src/scrollspy'
import ScrollSpy from './src/scrollspy/scrollspy'
import Tab from './src/tab'
import Toast from './src/toast/toast'
import Tooltip from './src/tooltip/tooltip'

View File

@ -12,7 +12,7 @@ import Collapse from './src/collapse/collapse'
import Dropdown from './src/dropdown/dropdown'
import Modal from './src/modal/modal'
import Popover from './src/popover/popover'
import ScrollSpy from './src/scrollspy'
import ScrollSpy from './src/scrollspy/scrollspy'
import Tab from './src/tab'
import Toast from './src/toast/toast'
import Tooltip from './src/tooltip/tooltip'

View File

@ -11,11 +11,11 @@ import {
getUID,
makeArray,
typeCheckConfig
} from './util/index'
import Data from './dom/data'
import EventHandler from './dom/event-handler'
import Manipulator from './dom/manipulator'
import SelectorEngine from './dom/selector-engine'
} from '../util/index'
import Data from '../dom/data'
import EventHandler from '../dom/event-handler'
import Manipulator from '../dom/manipulator'
import SelectorEngine from '../dom/selector-engine'
/**
* ------------------------------------------------------------------------
@ -341,7 +341,7 @@ EventHandler.on(window, Event.LOAD_DATA_API, () => {
* jQuery
* ------------------------------------------------------------------------
*/
/* istanbul ignore if */
if (typeof $ !== 'undefined') {
const JQUERY_NO_CONFLICT = $.fn[NAME]
$.fn[NAME] = ScrollSpy._jQueryInterface

View File

@ -0,0 +1,669 @@
import ScrollSpy from './scrollspy'
import Manipulator from '../dom/manipulator'
import EventHandler from '../dom/event-handler'
/** Test helpers */
import { getFixture, clearFixture, createEvent, jQueryMock } from '../../tests/helpers/fixture'
describe('ScrollSpy', () => {
let fixtureEl
const testElementIsActiveAfterScroll = ({ elementSelector, targetSelector, contentEl, scrollSpy, spy, cb }) => {
const element = fixtureEl.querySelector(elementSelector)
const target = fixtureEl.querySelector(targetSelector)
// add top padding to fix Chrome on Android failures
const paddingTop = 5
const scrollHeight = Math.ceil(contentEl.scrollTop + Manipulator.position(target).top) + paddingTop
function listener() {
expect(element.classList.contains('active')).toEqual(true)
contentEl.removeEventListener('scroll', listener)
expect(scrollSpy._process).toHaveBeenCalled()
spy.calls.reset()
cb()
}
contentEl.addEventListener('scroll', listener)
contentEl.scrollTop = scrollHeight
}
beforeAll(() => {
fixtureEl = getFixture()
})
afterEach(() => {
fixtureEl.style.display = 'none'
clearFixture()
})
describe('VERSION', () => {
it('should return plugin version', () => {
expect(ScrollSpy.VERSION).toEqual(jasmine.any(String))
})
})
describe('Default', () => {
it('should return plugin default config', () => {
expect(ScrollSpy.Default).toEqual(jasmine.any(Object))
})
})
describe('constructor', () => {
it('should generate an id when there is not one', () => {
fixtureEl.innerHTML = [
'<nav></nav>',
'<div class="content"></div>'
].join('')
const navEl = fixtureEl.querySelector('nav')
const scrollSpy = new ScrollSpy(fixtureEl.querySelector('.content'), {
target: navEl
})
expect(scrollSpy).toBeDefined()
expect(navEl.getAttribute('id')).not.toEqual(null)
})
it('should not process element without target', () => {
fixtureEl.innerHTML = [
'<nav id="navigation" class="navbar">',
' <ul class="navbar-nav">',
' <li class="nav-item active"><a class="nav-link" id="one-link" href="#">One</a></li>',
' <li class="nav-item"><a class="nav-link" id="two-link" href="#two">Two</a></li>',
' <li class="nav-item"><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="two" style="height: 300px;"></div>',
' <div id="three" style="height: 10px;"></div>',
'</div>'
].join('')
fixtureEl.style.display = 'block'
const scrollSpy = new ScrollSpy(fixtureEl.querySelector('#content'), {
target: '#navigation'
})
expect(scrollSpy._targets.length).toEqual(2)
})
it('should only switch "active" class on current target', done => {
fixtureEl.innerHTML = [
'<div id="root" class="active" style="display: block">',
' <div class="topbar">',
' <div class="topbar-inner">',
' <div class="container" id="ss-target">',
' <ul class="nav">',
' <li class="nav-item"><a href="#masthead">Overview</a></li>',
' <li class="nav-item"><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;"></p>',
' </div>',
' <div style="height: 200px;">',
' <h4 id="detail">Detail</h4>',
' <p style="height: 200px;"></p>',
' </div>',
' </div>',
'</div>'
].join('')
fixtureEl.style.display = 'block'
const scrollSpyEl = fixtureEl.querySelector('#scrollspy-example')
const rootEl = fixtureEl.querySelector('#root')
const scrollSpy = new ScrollSpy(scrollSpyEl, {
target: 'ss-target'
})
spyOn(scrollSpy, '_process').and.callThrough()
scrollSpyEl.addEventListener('scroll', () => {
expect(rootEl.classList.contains('active')).toEqual(true)
expect(scrollSpy._process).toHaveBeenCalled()
done()
})
scrollSpyEl.scrollTop = 350
})
it('should only switch "active" class on current target specified w element', done => {
fixtureEl.innerHTML = [
'<div id="root" class="active" style="display: block">',
' <div class="topbar">',
' <div class="topbar-inner">',
' <div class="container" id="ss-target">',
' <ul class="nav">',
' <li class="nav-item"><a href="#masthead">Overview</a></li>',
' <li class="nav-item"><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;"></p>',
' </div>',
' <div style="height: 200px;">',
' <h4 id="detail">Detail</h4>',
' <p style="height: 200px;"></p>',
' </div>',
' </div>',
'</div>'
].join('')
const scrollSpyEl = fixtureEl.querySelector('#scrollspy-example')
const rootEl = fixtureEl.querySelector('#root')
const scrollSpy = new ScrollSpy(scrollSpyEl, {
target: fixtureEl.querySelector('#ss-target')
})
spyOn(scrollSpy, '_process').and.callThrough()
scrollSpyEl.addEventListener('scroll', () => {
expect(rootEl.classList.contains('active')).toEqual(true)
expect(scrollSpy._process).toHaveBeenCalled()
done()
})
fixtureEl.style.display = 'block'
scrollSpyEl.scrollTop = 350
})
it('should correctly select middle navigation option when large offset is used', done => {
fixtureEl.innerHTML = [
'<div id="header" style="height: 500px;"></div>',
'<nav id="navigation" class="navbar">',
' <ul class="navbar-nav">',
' <li class="nav-item active"><a class="nav-link" id="one-link" href="#one">One</a></li>',
' <li class="nav-item"><a class="nav-link" id="two-link" href="#two">Two</a></li>',
' <li class="nav-item"><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>'
].join('')
fixtureEl.style.display = 'block'
const contentEl = fixtureEl.querySelector('#content')
const scrollSpy = new ScrollSpy(contentEl, {
target: '#navigation',
offset: Manipulator.position(contentEl).top
})
spyOn(scrollSpy, '_process').and.callThrough()
contentEl.addEventListener('scroll', () => {
expect(fixtureEl.querySelector('#one-link').classList.contains('active')).toEqual(false)
expect(fixtureEl.querySelector('#two-link').classList.contains('active')).toEqual(true)
expect(fixtureEl.querySelector('#three-link').classList.contains('active')).toEqual(false)
expect(scrollSpy._process).toHaveBeenCalled()
done()
})
contentEl.scrollTop = 550
})
it('should add the active class to the correct element', done => {
fixtureEl.innerHTML = [
'<nav class="navbar">',
' <ul class="nav">',
' <li class="nav-item"><a class="nav-link" id="a-1" href="#div-1">div 1</a></li>',
' <li class="nav-item"><a class="nav-link" id="a-2" href="#div-2">div 2</a></li>',
' </ul>',
'</nav>',
'<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>'
].join('')
fixtureEl.style.display = 'block'
const contentEl = fixtureEl.querySelector('.content')
const scrollSpy = new ScrollSpy(contentEl, {
offset: 0,
target: '.navbar'
})
const spy = spyOn(scrollSpy, '_process').and.callThrough()
testElementIsActiveAfterScroll({
elementSelector: '#a-1',
targetSelector: '#div-1',
contentEl,
scrollSpy,
spy,
cb: () => {
testElementIsActiveAfterScroll({
elementSelector: '#a-2',
targetSelector: '#div-2',
contentEl,
scrollSpy,
spy,
cb: () => done()
})
}
})
})
it('should add the active class to the correct element (nav markup)', done => {
fixtureEl.innerHTML = [
'<nav class="navbar">',
' <nav class="nav">',
' <a class="nav-link" id="a-1" href="#div-1">div 1</a>',
' <a class="nav-link" id="a-2" href="#div-2">div 2</a>',
' </nav>',
'</nav>',
'<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>'
].join('')
fixtureEl.style.display = 'block'
const contentEl = fixtureEl.querySelector('.content')
const scrollSpy = new ScrollSpy(contentEl, {
offset: 0,
target: '.navbar'
})
const spy = spyOn(scrollSpy, '_process').and.callThrough()
testElementIsActiveAfterScroll({
elementSelector: '#a-1',
targetSelector: '#div-1',
contentEl,
scrollSpy,
spy,
cb: () => {
testElementIsActiveAfterScroll({
elementSelector: '#a-2',
targetSelector: '#div-2',
contentEl,
scrollSpy,
spy,
cb: () => done()
})
}
})
})
it('should add the active class to the correct element (list-group markup)', done => {
fixtureEl.innerHTML = [
'<nav class="navbar">',
' <div class="list-group">',
' <a class="list-group-item" id="a-1" href="#div-1">div 1</a>',
' <a class="list-group-item" id="a-2" href="#div-2">div 2</a>',
' </div>',
'</nav>',
'<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>'
].join('')
fixtureEl.style.display = 'block'
const contentEl = fixtureEl.querySelector('.content')
const scrollSpy = new ScrollSpy(contentEl, {
offset: 0,
target: '.navbar'
})
const spy = spyOn(scrollSpy, '_process').and.callThrough()
testElementIsActiveAfterScroll({
elementSelector: '#a-1',
targetSelector: '#div-1',
contentEl,
scrollSpy,
spy,
cb: () => {
testElementIsActiveAfterScroll({
elementSelector: '#a-2',
targetSelector: '#div-2',
contentEl,
scrollSpy,
spy,
cb: () => done()
})
}
})
})
it('should clear selection if above the first section', done => {
fixtureEl.innerHTML = [
'<div id="header" style="height: 500px;"></div>',
'<nav id="navigation" class="navbar">',
' <ul class="navbar-nav">',
' <li class="nav-item"><a id="one-link" class="nav-link active" href="#one">One</a></li>',
' <li class="nav-item"><a id="two-link" class="nav-link" href="#two">Two</a></li>',
' <li class="nav-item"><a id="three-link" class="nav-link" href="#three">Three</a></li>',
' </ul>',
'</nav>',
'<div id="content" style="height: 200px; overflow-y: auto;">',
' <div id="spacer" style="height: 100px;"></div>',
' <div id="one" style="height: 100px;"></div>',
' <div id="two" style="height: 100px;"></div>',
' <div id="three" style="height: 100px;"></div>',
' <div id="spacer" style="height: 100px;"></div>',
'</div>'
].join('')
fixtureEl.style.display = 'block'
const contentEl = fixtureEl.querySelector('#content')
const scrollSpy = new ScrollSpy(contentEl, {
target: '#navigation',
offset: Manipulator.position(contentEl).top
})
const spy = spyOn(scrollSpy, '_process').and.callThrough()
let firstTime = true
contentEl.addEventListener('scroll', () => {
const active = fixtureEl.querySelector('.active')
expect(spy).toHaveBeenCalled()
spy.calls.reset()
if (firstTime) {
expect(fixtureEl.querySelectorAll('.active').length).toEqual(1)
expect(active.getAttribute('id')).toEqual('two-link')
firstTime = false
contentEl.scrollTop = 0
} else {
expect(active).toBeNull()
done()
}
})
contentEl.scrollTop = 201
})
it('should not clear selection if above the first section and first section is at the top', done => {
fixtureEl.innerHTML = [
'<div id="header" style="height: 500px;"></div>',
'<nav id="navigation" class="navbar">',
' <ul class="navbar-nav">',
' <li class="nav-item"><a id="one-link" class="nav-link active" href="#one">One</a></li>',
' <li class="nav-item"><a id="two-link" class="nav-link" href="#two">Two</a></li>',
' <li class="nav-item"><a id="three-link" class="nav-link" href="#three">Three</a></li>',
' </ul>',
'</nav>',
'<div id="content" style="height: 200px; overflow-y: auto;">',
' <div id="one" style="height: 100px;"></div>',
' <div id="two" style="height: 100px;"></div>',
' <div id="three" style="height: 100px;"></div>',
' <div id="spacer" style="height: 100px;"></div>',
'</div>'
].join('')
fixtureEl.style.display = 'block'
const negativeHeight = -10
const startOfSectionTwo = 101
const contentEl = fixtureEl.querySelector('#content')
const scrollSpy = new ScrollSpy(contentEl, {
target: '#navigation',
offset: contentEl.offsetTop
})
const spy = spyOn(scrollSpy, '_process').and.callThrough()
let firstTime = true
contentEl.addEventListener('scroll', () => {
const active = fixtureEl.querySelector('.active')
expect(spy).toHaveBeenCalled()
spy.calls.reset()
if (firstTime) {
expect(fixtureEl.querySelectorAll('.active').length).toEqual(1)
expect(active.getAttribute('id')).toEqual('two-link')
firstTime = false
contentEl.scrollTop = negativeHeight
} else {
expect(fixtureEl.querySelectorAll('.active').length).toEqual(1)
expect(active.getAttribute('id')).toEqual('one-link')
done()
}
})
contentEl.scrollTop = startOfSectionTwo
})
it('should correctly select navigation element on backward scrolling when each target section height is 100%', done => {
fixtureEl.innerHTML = [
'<nav class="navbar">',
' <ul class="nav">',
' <li class="nav-item"><a id="li-100-1" class="nav-link" href="#div-100-1">div 1</a></li>',
' <li class="nav-item"><a id="li-100-2" class="nav-link" href="#div-100-2">div 2</a></li>',
' <li class="nav-item"><a id="li-100-3" class="nav-link" href="#div-100-3">div 3</a></li>',
' <li class="nav-item"><a id="li-100-4" class="nav-link" href="#div-100-4">div 4</a></li>',
' <li class="nav-item"><a id="li-100-5" class="nav-link" href="#div-100-5">div 5</a></li>',
' </ul>',
'</nav>',
'<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>'
].join('')
fixtureEl.style.display = 'block'
const contentEl = fixtureEl.querySelector('.content')
const scrollSpy = new ScrollSpy(contentEl, {
offset: 0,
target: '.navbar'
})
const spy = spyOn(scrollSpy, '_process').and.callThrough()
testElementIsActiveAfterScroll({
elementSelector: '#li-100-5',
targetSelector: '#div-100-5',
scrollSpy,
spy,
contentEl,
cb() {
contentEl.scrollTop = 0
testElementIsActiveAfterScroll({
elementSelector: '#li-100-4',
targetSelector: '#div-100-4',
scrollSpy,
spy,
contentEl,
cb() {
contentEl.scrollTop = 0
testElementIsActiveAfterScroll({
elementSelector: '#li-100-3',
targetSelector: '#div-100-3',
scrollSpy,
spy,
contentEl,
cb() {
contentEl.scrollTop = 0
testElementIsActiveAfterScroll({
elementSelector: '#li-100-2',
targetSelector: '#div-100-2',
scrollSpy,
spy,
contentEl,
cb() {
contentEl.scrollTop = 0
testElementIsActiveAfterScroll({
elementSelector: '#li-100-1',
targetSelector: '#div-100-1',
scrollSpy,
spy,
contentEl,
cb: done
})
}
})
}
})
}
})
}
})
})
it('should allow passed in option offset method: offset', () => {
fixtureEl.innerHTML = [
'<nav class="navbar">',
' <ul class="nav">',
' <li class="nav-item"><a id="li-jsm-1" class="nav-link" href="#div-jsm-1">div 1</a></li>',
' <li class="nav-item"><a id="li-jsm-2" class="nav-link" href="#div-jsm-2">div 2</a></li>',
' <li class="nav-item"><a id="li-jsm-3" class="nav-link" href="#div-jsm-3">div 3</a></li>',
' </ul>',
'</nav>',
'<div class="content" style="position: relative; overflow: auto; height: 100px">',
' <div id="div-jsm-1" style="position: relative; height: 200px; padding: 0; margin: 0">div 1</div>',
' <div id="div-jsm-2" style="position: relative; height: 150px; padding: 0; margin: 0">div 2</div>',
' <div id="div-jsm-3" style="position: relative; height: 250px; padding: 0; margin: 0">div 3</div>',
'</div>'
].join('')
fixtureEl.style.display = 'block'
const contentEl = fixtureEl.querySelector('.content')
const targetEl = fixtureEl.querySelector('#div-jsm-2')
const scrollSpy = new ScrollSpy(contentEl, {
target: '.navbar',
offset: 0,
method: 'offset'
})
expect(scrollSpy._offsets[1]).toEqual(Manipulator.offset(targetEl).top)
expect(scrollSpy._offsets[1]).not.toEqual(Manipulator.position(targetEl).top)
})
it('should allow passed in option offset method: position', () => {
fixtureEl.innerHTML = [
'<nav class="navbar">',
' <ul class="nav">',
' <li class="nav-item"><a id="li-jsm-1" class="nav-link" href="#div-jsm-1">div 1</a></li>',
' <li class="nav-item"><a id="li-jsm-2" class="nav-link" href="#div-jsm-2">div 2</a></li>',
' <li class="nav-item"><a id="li-jsm-3" class="nav-link" href="#div-jsm-3">div 3</a></li>',
' </ul>',
'</nav>',
'<div class="content" style="position: relative; overflow: auto; height: 100px">',
' <div id="div-jsm-1" style="position: relative; height: 200px; padding: 0; margin: 0">div 1</div>',
' <div id="div-jsm-2" style="position: relative; height: 150px; padding: 0; margin: 0">div 2</div>',
' <div id="div-jsm-3" style="position: relative; height: 250px; padding: 0; margin: 0">div 3</div>',
'</div>'
].join('')
fixtureEl.style.display = 'block'
const contentEl = fixtureEl.querySelector('.content')
const targetEl = fixtureEl.querySelector('#div-jsm-2')
const scrollSpy = new ScrollSpy(contentEl, {
target: '.navbar',
offset: 0,
method: 'position'
})
expect(scrollSpy._offsets[1]).not.toEqual(Manipulator.offset(targetEl).top)
expect(scrollSpy._offsets[1]).toEqual(Manipulator.position(targetEl).top)
})
})
describe('dispose', () => {
it('should dispose a scrollspy', () => {
spyOn(EventHandler, 'off')
const scrollSpy = new ScrollSpy(fixtureEl)
scrollSpy.dispose()
expect(EventHandler.off).toHaveBeenCalledWith(fixtureEl, '.bs.scrollspy')
})
})
describe('_jQueryInterface', () => {
it('should create a scrollspy', () => {
fixtureEl.innerHTML = '<div></div>'
const div = fixtureEl.querySelector('div')
jQueryMock.fn.scrollspy = ScrollSpy._jQueryInterface
jQueryMock.elements = [div]
jQueryMock.fn.scrollspy.call(jQueryMock)
expect(ScrollSpy._getInstance(div)).toBeDefined()
})
it('should not re create a scrollspy', () => {
fixtureEl.innerHTML = '<div></div>'
const div = fixtureEl.querySelector('div')
const scrollSpy = new ScrollSpy(div)
jQueryMock.fn.scrollspy = ScrollSpy._jQueryInterface
jQueryMock.elements = [div]
jQueryMock.fn.scrollspy.call(jQueryMock)
expect(ScrollSpy._getInstance(div)).toEqual(scrollSpy)
})
it('should call a scrollspy method', () => {
fixtureEl.innerHTML = '<div></div>'
const div = fixtureEl.querySelector('div')
const scrollSpy = new ScrollSpy(div)
spyOn(scrollSpy, 'refresh')
jQueryMock.fn.scrollspy = ScrollSpy._jQueryInterface
jQueryMock.elements = [div]
jQueryMock.fn.scrollspy.call(jQueryMock, 'refresh')
expect(ScrollSpy._getInstance(div)).toEqual(scrollSpy)
expect(scrollSpy.refresh).toHaveBeenCalled()
})
it('should throw error on undefined method', () => {
fixtureEl.innerHTML = '<div></div>'
const div = fixtureEl.querySelector('div')
const action = 'undefinedMethod'
jQueryMock.fn.scrollspy = ScrollSpy._jQueryInterface
jQueryMock.elements = [div]
try {
jQueryMock.fn.scrollspy.call(jQueryMock, action)
} catch (error) {
expect(error.message).toEqual(`No method named "${action}"`)
}
})
})
describe('_getInstance', () => {
it('should return null if there is no instance', () => {
expect(ScrollSpy._getInstance(fixtureEl)).toEqual(null)
})
})
describe('event handler', () => {
it('should create scrollspy on window load event', () => {
fixtureEl.innerHTML = '<div data-spy="scroll"></div>'
const scrollSpyEl = fixtureEl.querySelector('div')
window.dispatchEvent(createEvent('load'))
expect(ScrollSpy._getInstance(scrollSpyEl)).not.toBeNull()
})
})
})

View File

@ -1,743 +0,0 @@
$(function () {
'use strict'
var ScrollSpy = typeof window.bootstrap === 'undefined' ? window.ScrollSpy : window.bootstrap.ScrollSpy
QUnit.module('scrollspy plugin')
QUnit.test('should be defined on jquery object', function (assert) {
assert.expect(1)
assert.ok($(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-fixture').html('')
}
})
QUnit.test('should provide no conflict', function (assert) {
assert.expect(1)
assert.strictEqual(typeof $.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/>').appendTo('#qunit-fixture')
$el.bootstrapScrollspy()
try {
$el.bootstrapScrollspy('noMethod')
} catch (error) {
assert.strictEqual(error.message, 'No method named "noMethod"')
}
})
QUnit.test('should return jquery collection containing the element', function (assert) {
assert.expect(2)
var $el = $('<div/>').appendTo('#qunit-fixture')
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 class="nav-item"><a href="#masthead">Overview</a></li>' +
'<li class="nav-item"><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 class="nav-item"><a href="#masthead">Overview</a></li>' +
'<li class="nav-item"><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="navbar-nav">' +
'<li class="nav-item active"><a class="nav-link" id="one-link" href="#one">One</a></li>' +
'<li class="nav-item"><a class="nav-link" id="two-link" href="#two">Two</a></li>' +
'<li class="nav-item"><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 class="nav-item"><a class="nav-link" id="a-1" href="#div-1">div 1</a></li>' +
'<li class="nav-item"><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 = $.Deferred()
// add top padding to fix Chrome on Android failures
var paddingTop = 5
var scrollHeight = Math.ceil($content.scrollTop() + $(target).position().top) + paddingTop
$content.one('scroll', function () {
assert.ok($(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 to the correct element (nav markup)', function (assert) {
assert.expect(2)
var navbarHtml =
'<nav class="navbar">' +
'<nav class="nav">' +
'<a class="nav-link" id="a-1" href="#div-1">div 1</a>' +
'<a class="nav-link" id="a-2" href="#div-2">div 2</a>' +
'</nav>' +
'</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 = $.Deferred()
// add top padding to fix Chrome on Android failures
var paddingTop = 5
var scrollHeight = Math.ceil($content.scrollTop() + $(target).position().top) + paddingTop
$content.one('scroll', function () {
assert.ok($(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 to the correct element (list-group markup)', function (assert) {
assert.expect(2)
var navbarHtml =
'<nav class="navbar">' +
'<div class="list-group">' +
'<a class="list-group-item" id="a-1" href="#div-1">div 1</a>' +
'<a class="list-group-item" id="a-2" href="#div-2">div 2</a>' +
'</div>' +
'</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 = $.Deferred()
// add top padding to fix Chrome on Android failures
var paddingTop = 5
var scrollHeight = Math.ceil($content.scrollTop() + $(target).position().top) + paddingTop
$content.one('scroll', function () {
assert.ok($(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 class="nav-item"><a id="a-1" class="nav-link" href="#div-1">div 1</a>' +
'<ul class="nav">' +
'<li class="nav-item"><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 add the active class correctly when there are nested elements (nav markup)', function (assert) {
assert.expect(6)
var times = 0
var done = assert.async()
var navbarHtml = '<nav id="navigation" class="navbar">' +
'<nav class="nav">' +
'<a id="a-1" class="nav-link" href="#div-1">div 1</a>' +
'<nav class="nav">' +
'<a id="a-2" class="nav-link" href="#div-2">div 2</a>' +
'</nav>' +
'</nav>' +
'</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 add the active class correctly when there are nested elements (nav nav-item markup)', function (assert) {
assert.expect(6)
var times = 0
var done = assert.async()
var navbarHtml = '<nav id="navigation" class="navbar">' +
'<ul class="nav">' +
'<li class="nav-item"><a id="a-1" class="nav-link" href="#div-1">div 1</a></li>' +
'<ul class="nav">' +
'<li class="nav-item"><a id="a-2" class="nav-link" href="#div-2">div 2</a></li>' +
'</ul>' +
'</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 add the active class correctly when there are nested elements (list-group markup)', function (assert) {
assert.expect(6)
var times = 0
var done = assert.async()
var navbarHtml = '<nav id="navigation" class="navbar">' +
'<div class="list-group">' +
'<a id="a-1" class="list-group-item" href="#div-1">div 1</a>' +
'<div class="list-group">' +
'<a id="a-2" class="list-group-item" href="#div-2">div 2</a>' +
'</div>' +
'</div>' +
'</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="navbar-nav">' +
'<li class="nav-item"><a id="one-link" class="nav-link active" href="#one">One</a></li>' +
'<li class="nav-item"><a id="two-link" class="nav-link" href="#two">Two</a></li>' +
'<li class="nav-item"><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="navbar-nav">' +
'<li class="nav-item"><a id="one-link" class="nav-link active" href="#one">One</a></li>' +
'<li class="nav-item"><a id="two-link" class="nav-link" href="#two">Two</a></li>' +
'<li class="nav-item"><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: $scrollspy[0].offsetTop
})
.one('scroll', function () {
assert.strictEqual($('.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 class="nav-item"><a id="li-100-1" class="nav-link" href="#div-100-1">div 1</a></li>' +
'<li class="nav-item"><a id="li-100-2" class="nav-link" href="#div-100-2">div 2</a></li>' +
'<li class="nav-item"><a id="li-100-3" class="nav-link" href="#div-100-3">div 3</a></li>' +
'<li class="nav-item"><a id="li-100-4" class="nav-link" href="#div-100-4">div 4</a></li>' +
'<li class="nav-item"><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 = $.Deferred()
// add top padding to fix Chrome on Android failures
var paddingTop = 5
var scrollHeight = Math.ceil($content.scrollTop() + $(target).position().top) + paddingTop
$content.one('scroll', function () {
assert.ok($(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 class="nav-item"><a id="li-' + type + 'm-1" class="nav-link" href="#div-' + type + 'm-1">div 1</a></li>' +
'<li class="nav-item"><a id="li-' + type + 'm-2" class="nav-link" href="#div-' + type + 'm-2">div 2</a></li>' +
'<li class="nav-item"><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.dispatchEvent(new Event('load'))
}
var $target = $('#div-' + type + 'm-2')
var scrollspy = ScrollSpy._getInstance($content[0])
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 class="nav-item"><a class="nav-link" id="li-' + type + 'm-1" href="#div-' + type + 'm-1">div 1</a></li>' +
'<li class="nav-item"><a class="nav-link" id="li-' + type + 'm-2" href="#div-' + type + 'm-2">div 2</a></li>' +
'<li class="nav-item"><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.dispatchEvent(new Event('load'))
}
var $target = $('#div-' + type + 'm-2')
var scrollspy = ScrollSpy._getInstance($content[0])
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 return the version', function (assert) {
assert.expect(1)
assert.strictEqual(typeof ScrollSpy.VERSION, 'string')
})
})