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Diffstat (limited to 'js/tests/unit/collapse.spec.js')
| -rw-r--r-- | js/tests/unit/collapse.spec.js | 1062 |
1 files changed, 1062 insertions, 0 deletions
diff --git a/js/tests/unit/collapse.spec.js b/js/tests/unit/collapse.spec.js new file mode 100644 index 0000000..9c86719 --- /dev/null +++ b/js/tests/unit/collapse.spec.js @@ -0,0 +1,1062 @@ +import Collapse from '../../src/collapse' +import EventHandler from '../../src/dom/event-handler' +import { clearFixture, getFixture, jQueryMock } from '../helpers/fixture' + +describe('Collapse', () => { + let fixtureEl + + beforeAll(() => { + fixtureEl = getFixture() + }) + + afterEach(() => { + clearFixture() + }) + + describe('VERSION', () => { + it('should return plugin version', () => { + expect(Collapse.VERSION).toEqual(jasmine.any(String)) + }) + }) + + describe('Default', () => { + it('should return plugin default config', () => { + expect(Collapse.Default).toEqual(jasmine.any(Object)) + }) + }) + + describe('DATA_KEY', () => { + it('should return plugin data key', () => { + expect(Collapse.DATA_KEY).toEqual('bs.collapse') + }) + }) + + describe('constructor', () => { + it('should take care of element either passed as a CSS selector or DOM element', () => { + fixtureEl.innerHTML = '<div class="my-collapse"></div>' + + const collapseEl = fixtureEl.querySelector('div.my-collapse') + const collapseBySelector = new Collapse('div.my-collapse') + const collapseByElement = new Collapse(collapseEl) + + expect(collapseBySelector._element).toEqual(collapseEl) + expect(collapseByElement._element).toEqual(collapseEl) + }) + + it('should allow jquery object in parent config', () => { + fixtureEl.innerHTML = [ + '<div class="my-collapse">', + ' <div class="item">', + ' <a data-bs-toggle="collapse" href="#">Toggle item</a>', + ' <div class="collapse">Lorem ipsum</div>', + ' </div>', + '</div>' + ].join('') + + const collapseEl = fixtureEl.querySelector('div.collapse') + const myCollapseEl = fixtureEl.querySelector('.my-collapse') + const fakejQueryObject = { + 0: myCollapseEl, + jquery: 'foo' + } + const collapse = new Collapse(collapseEl, { + parent: fakejQueryObject + }) + + expect(collapse._config.parent).toEqual(myCollapseEl) + }) + + it('should allow non jquery object in parent config', () => { + fixtureEl.innerHTML = [ + '<div class="my-collapse">', + ' <div class="item">', + ' <a data-bs-toggle="collapse" href="#">Toggle item</a>', + ' <div class="collapse">Lorem ipsum</div>', + ' </div>', + '</div>' + ].join('') + + const collapseEl = fixtureEl.querySelector('div.collapse') + const myCollapseEl = fixtureEl.querySelector('.my-collapse') + const collapse = new Collapse(collapseEl, { + parent: myCollapseEl + }) + + expect(collapse._config.parent).toEqual(myCollapseEl) + }) + + it('should allow string selector in parent config', () => { + fixtureEl.innerHTML = [ + '<div class="my-collapse">', + ' <div class="item">', + ' <a data-bs-toggle="collapse" href="#">Toggle item</a>', + ' <div class="collapse">Lorem ipsum</div>', + ' </div>', + '</div>' + ].join('') + + const collapseEl = fixtureEl.querySelector('div.collapse') + const myCollapseEl = fixtureEl.querySelector('.my-collapse') + const collapse = new Collapse(collapseEl, { + parent: 'div.my-collapse' + }) + + expect(collapse._config.parent).toEqual(myCollapseEl) + }) + }) + + describe('toggle', () => { + it('should call show method if show class is not present', () => { + fixtureEl.innerHTML = '<div></div>' + + const collapseEl = fixtureEl.querySelector('div') + const collapse = new Collapse(collapseEl) + + const spy = spyOn(collapse, 'show') + + collapse.toggle() + + expect(spy).toHaveBeenCalled() + }) + + it('should call hide method if show class is present', () => { + fixtureEl.innerHTML = '<div class="show"></div>' + + const collapseEl = fixtureEl.querySelector('.show') + const collapse = new Collapse(collapseEl, { + toggle: false + }) + + const spy = spyOn(collapse, 'hide') + + collapse.toggle() + + expect(spy).toHaveBeenCalled() + }) + + it('should find collapse children if they have collapse class too not only data-bs-parent', () => { + return new Promise(resolve => { + fixtureEl.innerHTML = [ + '<div class="my-collapse">', + ' <div class="item">', + ' <a data-bs-toggle="collapse" href="#">Toggle item 1</a>', + ' <div id="collapse1" class="collapse show">Lorem ipsum 1</div>', + ' </div>', + ' <div class="item">', + ' <a id="triggerCollapse2" data-bs-toggle="collapse" href="#">Toggle item 2</a>', + ' <div id="collapse2" class="collapse">Lorem ipsum 2</div>', + ' </div>', + '</div>' + ].join('') + + const parent = fixtureEl.querySelector('.my-collapse') + const collapseEl1 = fixtureEl.querySelector('#collapse1') + const collapseEl2 = fixtureEl.querySelector('#collapse2') + + const collapseList = [].concat(...fixtureEl.querySelectorAll('.collapse')) + .map(el => new Collapse(el, { + parent, + toggle: false + })) + + collapseEl2.addEventListener('shown.bs.collapse', () => { + expect(collapseEl2).toHaveClass('show') + expect(collapseEl1).not.toHaveClass('show') + resolve() + }) + + collapseList[1].toggle() + }) + }) + }) + + describe('show', () => { + it('should do nothing if is transitioning', () => { + fixtureEl.innerHTML = '<div></div>' + + const spy = spyOn(EventHandler, 'trigger') + + const collapseEl = fixtureEl.querySelector('div') + const collapse = new Collapse(collapseEl, { + toggle: false + }) + + collapse._isTransitioning = true + collapse.show() + + expect(spy).not.toHaveBeenCalled() + }) + + it('should do nothing if already shown', () => { + fixtureEl.innerHTML = '<div class="show"></div>' + + const spy = spyOn(EventHandler, 'trigger') + + const collapseEl = fixtureEl.querySelector('div') + const collapse = new Collapse(collapseEl, { + toggle: false + }) + + collapse.show() + + expect(spy).not.toHaveBeenCalled() + }) + + it('should show a collapsed element', () => { + return new Promise(resolve => { + fixtureEl.innerHTML = '<div class="collapse" style="height: 0px;"></div>' + + const collapseEl = fixtureEl.querySelector('div') + const collapse = new Collapse(collapseEl, { + toggle: false + }) + + collapseEl.addEventListener('show.bs.collapse', () => { + expect(collapseEl.style.height).toEqual('0px') + }) + collapseEl.addEventListener('shown.bs.collapse', () => { + expect(collapseEl).toHaveClass('show') + expect(collapseEl.style.height).toEqual('') + resolve() + }) + + collapse.show() + }) + }) + + it('should show a collapsed element on width', () => { + return new Promise(resolve => { + fixtureEl.innerHTML = '<div class="collapse collapse-horizontal" style="width: 0px;"></div>' + + const collapseEl = fixtureEl.querySelector('div') + const collapse = new Collapse(collapseEl, { + toggle: false + }) + + collapseEl.addEventListener('show.bs.collapse', () => { + expect(collapseEl.style.width).toEqual('0px') + }) + collapseEl.addEventListener('shown.bs.collapse', () => { + expect(collapseEl).toHaveClass('show') + expect(collapseEl.style.width).toEqual('') + resolve() + }) + + collapse.show() + }) + }) + + it('should collapse only the first collapse', () => { + return new Promise(resolve => { + fixtureEl.innerHTML = [ + '<div class="card" id="accordion1">', + ' <div id="collapse1" class="collapse"></div>', + '</div>', + '<div class="card" id="accordion2">', + ' <div id="collapse2" class="collapse show"></div>', + '</div>' + ].join('') + + const el1 = fixtureEl.querySelector('#collapse1') + const el2 = fixtureEl.querySelector('#collapse2') + const collapse = new Collapse(el1, { + toggle: false + }) + + el1.addEventListener('shown.bs.collapse', () => { + expect(el1).toHaveClass('show') + expect(el2).toHaveClass('show') + resolve() + }) + + collapse.show() + }) + }) + + it('should be able to handle toggling of other children siblings', () => { + return new Promise(resolve => { + fixtureEl.innerHTML = [ + '<div id="parentGroup" class="accordion">', + ' <div id="parentHeader" class="accordion-header">', + ' <button data-bs-target="#parentContent" data-bs-toggle="collapse" role="button" class="accordion-toggle">Parent</button>', + ' </div>', + ' <div id="parentContent" class="accordion-collapse collapse" aria-labelledby="parentHeader" data-bs-parent="#parentGroup">', + ' <div class="accordion-body">', + ' <div id="childGroup" class="accordion">', + ' <div class="accordion-item">', + ' <div id="childHeader1" class="accordion-header">', + ' <button data-bs-target="#childContent1" data-bs-toggle="collapse" role="button" class="accordion-toggle">Child 1</button>', + ' </div>', + ' <div id="childContent1" class="accordion-collapse collapse" aria-labelledby="childHeader1" data-bs-parent="#childGroup">', + ' <div>content</div>', + ' </div>', + ' </div>', + ' <div class="accordion-item">', + ' <div id="childHeader2" class="accordion-header">', + ' <button data-bs-target="#childContent2" data-bs-toggle="collapse" role="button" class="accordion-toggle">Child 2</button>', + ' </div>', + ' <div id="childContent2" class="accordion-collapse collapse" aria-labelledby="childHeader2" data-bs-parent="#childGroup">', + ' <div>content</div>', + ' </div>', + ' </div>', + ' </div>', + ' </div>', + ' </div>', + '</div>' + ].join('') + + const el = selector => fixtureEl.querySelector(selector) + + const parentBtn = el('[data-bs-target="#parentContent"]') + const childBtn1 = el('[data-bs-target="#childContent1"]') + const childBtn2 = el('[data-bs-target="#childContent2"]') + + const parentCollapseEl = el('#parentContent') + const childCollapseEl1 = el('#childContent1') + const childCollapseEl2 = el('#childContent2') + + parentCollapseEl.addEventListener('shown.bs.collapse', () => { + expect(parentCollapseEl).toHaveClass('show') + childBtn1.click() + }) + childCollapseEl1.addEventListener('shown.bs.collapse', () => { + expect(childCollapseEl1).toHaveClass('show') + childBtn2.click() + }) + childCollapseEl2.addEventListener('shown.bs.collapse', () => { + expect(childCollapseEl2).toHaveClass('show') + expect(childCollapseEl1).not.toHaveClass('show') + resolve() + }) + + parentBtn.click() + }) + }) + + it('should not change tab tabpanels descendants on accordion', () => { + return new Promise(resolve => { + fixtureEl.innerHTML = [ + '<div class="accordion" id="accordionExample">', + ' <div class="accordion-item">', + ' <h2 class="accordion-header" id="headingOne">', + ' <button class="accordion-button" type="button" data-bs-toggle="collapse" data-bs-target="#collapseOne" aria-expanded="true" aria-controls="collapseOne">', + ' Accordion Item #1', + ' </button>', + ' </h2>', + ' <div id="collapseOne" class="accordion-collapse collapse show" aria-labelledby="headingOne" data-bs-parent="#accordionExample">', + ' <div class="accordion-body">', + ' <nav>', + ' <div class="nav nav-tabs" id="nav-tab" role="tablist">', + ' <button class="nav-link active" id="nav-home-tab" data-bs-toggle="tab" data-bs-target="#nav-home" type="button" role="tab" aria-controls="nav-home" aria-selected="true">Home</button>', + ' <button class="nav-link" id="nav-profile-tab" data-bs-toggle="tab" data-bs-target="#nav-profile" type="button" role="tab" aria-controls="nav-profile" aria-selected="false">Profile</button>', + ' </div>', + ' </nav>', + ' <div class="tab-content" id="nav-tabContent">', + ' <div class="tab-pane fade show active" id="nav-home" role="tabpanel" aria-labelledby="nav-home-tab">Home</div>', + ' <div class="tab-pane fade" id="nav-profile" role="tabpanel" aria-labelledby="nav-profile-tab">Profile</div>', + ' </div>', + ' </div>', + ' </div>', + ' </div>', + '</div>' + ].join('') + + const el = fixtureEl.querySelector('#collapseOne') + const activeTabPane = fixtureEl.querySelector('#nav-home') + const collapse = new Collapse(el) + let times = 1 + + el.addEventListener('hidden.bs.collapse', () => { + collapse.show() + }) + + el.addEventListener('shown.bs.collapse', () => { + expect(activeTabPane).toHaveClass('show') + times++ + if (times === 2) { + resolve() + } + + collapse.hide() + }) + + collapse.show() + }) + }) + + it('should not fire shown when show is prevented', () => { + return new Promise((resolve, reject) => { + fixtureEl.innerHTML = '<div class="collapse"></div>' + + const collapseEl = fixtureEl.querySelector('div') + const collapse = new Collapse(collapseEl, { + toggle: false + }) + + const expectEnd = () => { + setTimeout(() => { + expect().nothing() + resolve() + }, 10) + } + + collapseEl.addEventListener('show.bs.collapse', event => { + event.preventDefault() + expectEnd() + }) + + collapseEl.addEventListener('shown.bs.collapse', () => { + reject(new Error('should not fire shown event')) + }) + + collapse.show() + }) + }) + }) + + describe('hide', () => { + it('should do nothing if is transitioning', () => { + fixtureEl.innerHTML = '<div></div>' + + const spy = spyOn(EventHandler, 'trigger') + + const collapseEl = fixtureEl.querySelector('div') + const collapse = new Collapse(collapseEl, { + toggle: false + }) + + collapse._isTransitioning = true + collapse.hide() + + expect(spy).not.toHaveBeenCalled() + }) + + it('should do nothing if already shown', () => { + fixtureEl.innerHTML = '<div></div>' + + const spy = spyOn(EventHandler, 'trigger') + + const collapseEl = fixtureEl.querySelector('div') + const collapse = new Collapse(collapseEl, { + toggle: false + }) + + collapse.hide() + + expect(spy).not.toHaveBeenCalled() + }) + + it('should hide a collapsed element', () => { + return new Promise(resolve => { + fixtureEl.innerHTML = '<div class="collapse show"></div>' + + const collapseEl = fixtureEl.querySelector('div') + const collapse = new Collapse(collapseEl, { + toggle: false + }) + + collapseEl.addEventListener('hidden.bs.collapse', () => { + expect(collapseEl).not.toHaveClass('show') + expect(collapseEl.style.height).toEqual('') + resolve() + }) + + collapse.hide() + }) + }) + + it('should not fire hidden when hide is prevented', () => { + return new Promise((resolve, reject) => { + fixtureEl.innerHTML = '<div class="collapse show"></div>' + + const collapseEl = fixtureEl.querySelector('div') + const collapse = new Collapse(collapseEl, { + toggle: false + }) + + const expectEnd = () => { + setTimeout(() => { + expect().nothing() + resolve() + }, 10) + } + + collapseEl.addEventListener('hide.bs.collapse', event => { + event.preventDefault() + expectEnd() + }) + + collapseEl.addEventListener('hidden.bs.collapse', () => { + reject(new Error('should not fire hidden event')) + }) + + collapse.hide() + }) + }) + }) + + describe('dispose', () => { + it('should destroy a collapse', () => { + fixtureEl.innerHTML = '<div class="collapse show"></div>' + + const collapseEl = fixtureEl.querySelector('div') + const collapse = new Collapse(collapseEl, { + toggle: false + }) + + expect(Collapse.getInstance(collapseEl)).toEqual(collapse) + + collapse.dispose() + + expect(Collapse.getInstance(collapseEl)).toBeNull() + }) + }) + + describe('data-api', () => { + it('should prevent url change if click on nested elements', () => { + return new Promise(resolve => { + fixtureEl.innerHTML = [ + '<a role="button" data-bs-toggle="collapse" class="collapsed" href="#collapse">', + ' <span id="nested"></span>', + '</a>', + '<div id="collapse" class="collapse"></div>' + ].join('') + + const triggerEl = fixtureEl.querySelector('a') + const nestedTriggerEl = fixtureEl.querySelector('#nested') + + const spy = spyOn(Event.prototype, 'preventDefault').and.callThrough() + + triggerEl.addEventListener('click', event => { + expect(event.target.isEqualNode(nestedTriggerEl)).toBeTrue() + expect(event.delegateTarget.isEqualNode(triggerEl)).toBeTrue() + expect(spy).toHaveBeenCalled() + resolve() + }) + + nestedTriggerEl.click() + }) + }) + + it('should show multiple collapsed elements', () => { + return new Promise(resolve => { + fixtureEl.innerHTML = [ + '<a role="button" data-bs-toggle="collapse" class="collapsed" href=".multi"></a>', + '<div id="collapse1" class="collapse multi"></div>', + '<div id="collapse2" class="collapse multi"></div>' + ].join('') + + const trigger = fixtureEl.querySelector('a') + const collapse1 = fixtureEl.querySelector('#collapse1') + const collapse2 = fixtureEl.querySelector('#collapse2') + + collapse2.addEventListener('shown.bs.collapse', () => { + expect(trigger.getAttribute('aria-expanded')).toEqual('true') + expect(trigger).not.toHaveClass('collapsed') + expect(collapse1).toHaveClass('show') + expect(collapse1).toHaveClass('show') + resolve() + }) + + trigger.click() + }) + }) + + it('should hide multiple collapsed elements', () => { + return new Promise(resolve => { + fixtureEl.innerHTML = [ + '<a role="button" data-bs-toggle="collapse" href=".multi"></a>', + '<div id="collapse1" class="collapse multi show"></div>', + '<div id="collapse2" class="collapse multi show"></div>' + ].join('') + + const trigger = fixtureEl.querySelector('a') + const collapse1 = fixtureEl.querySelector('#collapse1') + const collapse2 = fixtureEl.querySelector('#collapse2') + + collapse2.addEventListener('hidden.bs.collapse', () => { + expect(trigger.getAttribute('aria-expanded')).toEqual('false') + expect(trigger).toHaveClass('collapsed') + expect(collapse1).not.toHaveClass('show') + expect(collapse1).not.toHaveClass('show') + resolve() + }) + + trigger.click() + }) + }) + + it('should remove "collapsed" class from target when collapse is shown', () => { + return new Promise(resolve => { + fixtureEl.innerHTML = [ + '<a id="link1" role="button" data-bs-toggle="collapse" class="collapsed" href="#" data-bs-target="#test1"></a>', + '<a id="link2" role="button" data-bs-toggle="collapse" class="collapsed" href="#" data-bs-target="#test1"></a>', + '<div id="test1"></div>' + ].join('') + + const link1 = fixtureEl.querySelector('#link1') + const link2 = fixtureEl.querySelector('#link2') + const collapseTest1 = fixtureEl.querySelector('#test1') + + collapseTest1.addEventListener('shown.bs.collapse', () => { + expect(link1.getAttribute('aria-expanded')).toEqual('true') + expect(link2.getAttribute('aria-expanded')).toEqual('true') + expect(link1).not.toHaveClass('collapsed') + expect(link2).not.toHaveClass('collapsed') + resolve() + }) + + link1.click() + }) + }) + + it('should add "collapsed" class to target when collapse is hidden', () => { + return new Promise(resolve => { + fixtureEl.innerHTML = [ + '<a id="link1" role="button" data-bs-toggle="collapse" href="#" data-bs-target="#test1"></a>', + '<a id="link2" role="button" data-bs-toggle="collapse" href="#" data-bs-target="#test1"></a>', + '<div id="test1" class="show"></div>' + ].join('') + + const link1 = fixtureEl.querySelector('#link1') + const link2 = fixtureEl.querySelector('#link2') + const collapseTest1 = fixtureEl.querySelector('#test1') + + collapseTest1.addEventListener('hidden.bs.collapse', () => { + expect(link1.getAttribute('aria-expanded')).toEqual('false') + expect(link2.getAttribute('aria-expanded')).toEqual('false') + expect(link1).toHaveClass('collapsed') + expect(link2).toHaveClass('collapsed') + resolve() + }) + + link1.click() + }) + }) + + it('should allow accordion to use children other than card', () => { + return new Promise(resolve => { + fixtureEl.innerHTML = [ + '<div id="accordion">', + ' <div class="item">', + ' <a id="linkTrigger" data-bs-toggle="collapse" href="#collapseOne" aria-expanded="false" aria-controls="collapseOne"></a>', + ' <div id="collapseOne" class="collapse" role="tabpanel" aria-labelledby="headingThree" data-bs-parent="#accordion"></div>', + ' </div>', + ' <div class="item">', + ' <a id="linkTriggerTwo" data-bs-toggle="collapse" href="#collapseTwo" aria-expanded="false" aria-controls="collapseTwo"></a>', + ' <div id="collapseTwo" class="collapse show" role="tabpanel" aria-labelledby="headingTwo" data-bs-parent="#accordion"></div>', + ' </div>', + '</div>' + ].join('') + + const trigger = fixtureEl.querySelector('#linkTrigger') + const triggerTwo = fixtureEl.querySelector('#linkTriggerTwo') + const collapseOne = fixtureEl.querySelector('#collapseOne') + const collapseTwo = fixtureEl.querySelector('#collapseTwo') + + collapseOne.addEventListener('shown.bs.collapse', () => { + expect(collapseOne).toHaveClass('show') + expect(collapseTwo).not.toHaveClass('show') + + collapseTwo.addEventListener('shown.bs.collapse', () => { + expect(collapseOne).not.toHaveClass('show') + expect(collapseTwo).toHaveClass('show') + resolve() + }) + + triggerTwo.click() + }) + + trigger.click() + }) + }) + + it('should not prevent event for input', () => { + return new Promise(resolve => { + fixtureEl.innerHTML = [ + '<input type="checkbox" data-bs-toggle="collapse" data-bs-target="#collapsediv1">', + '<div id="collapsediv1"></div>' + ].join('') + + const target = fixtureEl.querySelector('input') + const collapseEl = fixtureEl.querySelector('#collapsediv1') + + collapseEl.addEventListener('shown.bs.collapse', () => { + expect(collapseEl).toHaveClass('show') + expect(target.checked).toBeTrue() + resolve() + }) + + target.click() + }) + }) + + it('should allow accordion to contain nested elements', () => { + return new Promise(resolve => { + fixtureEl.innerHTML = [ + '<div id="accordion">', + ' <div class="row">', + ' <div class="col-lg-6">', + ' <div class="item">', + ' <a id="linkTrigger" data-bs-toggle="collapse" href="#collapseOne" aria-expanded="false" aria-controls="collapseOne"></a>', + ' <div id="collapseOne" class="collapse" role="tabpanel" aria-labelledby="headingThree" data-bs-parent="#accordion"></div>', + ' </div>', + ' </div>', + ' <div class="col-lg-6">', + ' <div class="item">', + ' <a id="linkTriggerTwo" data-bs-toggle="collapse" href="#collapseTwo" aria-expanded="false" aria-controls="collapseTwo"></a>', + ' <div id="collapseTwo" class="collapse show" role="tabpanel" aria-labelledby="headingTwo" data-bs-parent="#accordion"></div>', + ' </div>', + ' </div>', + ' </div>', + '</div>' + ].join('') + + const triggerEl = fixtureEl.querySelector('#linkTrigger') + const triggerTwoEl = fixtureEl.querySelector('#linkTriggerTwo') + const collapseOneEl = fixtureEl.querySelector('#collapseOne') + const collapseTwoEl = fixtureEl.querySelector('#collapseTwo') + + collapseOneEl.addEventListener('shown.bs.collapse', () => { + expect(collapseOneEl).toHaveClass('show') + expect(triggerEl).not.toHaveClass('collapsed') + expect(triggerEl.getAttribute('aria-expanded')).toEqual('true') + + expect(collapseTwoEl).not.toHaveClass('show') + expect(triggerTwoEl).toHaveClass('collapsed') + expect(triggerTwoEl.getAttribute('aria-expanded')).toEqual('false') + + collapseTwoEl.addEventListener('shown.bs.collapse', () => { + expect(collapseOneEl).not.toHaveClass('show') + expect(triggerEl).toHaveClass('collapsed') + expect(triggerEl.getAttribute('aria-expanded')).toEqual('false') + + expect(collapseTwoEl).toHaveClass('show') + expect(triggerTwoEl).not.toHaveClass('collapsed') + expect(triggerTwoEl.getAttribute('aria-expanded')).toEqual('true') + resolve() + }) + + triggerTwoEl.click() + }) + + triggerEl.click() + }) + }) + + it('should allow accordion to target multiple elements', () => { + return new Promise(resolve => { + fixtureEl.innerHTML = [ + '<div id="accordion">', + ' <a id="linkTriggerOne" data-bs-toggle="collapse" data-bs-target=".collapseOne" href="#" aria-expanded="false" aria-controls="collapseOne"></a>', + ' <a id="linkTriggerTwo" data-bs-toggle="collapse" data-bs-target=".collapseTwo" href="#" aria-expanded="false" aria-controls="collapseTwo"></a>', + ' <div id="collapseOneOne" class="collapse collapseOne" role="tabpanel" data-bs-parent="#accordion"></div>', + ' <div id="collapseOneTwo" class="collapse collapseOne" role="tabpanel" data-bs-parent="#accordion"></div>', + ' <div id="collapseTwoOne" class="collapse collapseTwo" role="tabpanel" data-bs-parent="#accordion"></div>', + ' <div id="collapseTwoTwo" class="collapse collapseTwo" role="tabpanel" data-bs-parent="#accordion"></div>', + '</div>' + ].join('') + + const trigger = fixtureEl.querySelector('#linkTriggerOne') + const triggerTwo = fixtureEl.querySelector('#linkTriggerTwo') + const collapseOneOne = fixtureEl.querySelector('#collapseOneOne') + const collapseOneTwo = fixtureEl.querySelector('#collapseOneTwo') + const collapseTwoOne = fixtureEl.querySelector('#collapseTwoOne') + const collapseTwoTwo = fixtureEl.querySelector('#collapseTwoTwo') + const collapsedElements = { + one: false, + two: false + } + + function firstTest() { + expect(collapseOneOne).toHaveClass('show') + expect(collapseOneTwo).toHaveClass('show') + + expect(collapseTwoOne).not.toHaveClass('show') + expect(collapseTwoTwo).not.toHaveClass('show') + + triggerTwo.click() + } + + function secondTest() { + expect(collapseOneOne).not.toHaveClass('show') + expect(collapseOneTwo).not.toHaveClass('show') + + expect(collapseTwoOne).toHaveClass('show') + expect(collapseTwoTwo).toHaveClass('show') + resolve() + } + + collapseOneOne.addEventListener('shown.bs.collapse', () => { + if (collapsedElements.one) { + firstTest() + } else { + collapsedElements.one = true + } + }) + + collapseOneTwo.addEventListener('shown.bs.collapse', () => { + if (collapsedElements.one) { + firstTest() + } else { + collapsedElements.one = true + } + }) + + collapseTwoOne.addEventListener('shown.bs.collapse', () => { + if (collapsedElements.two) { + secondTest() + } else { + collapsedElements.two = true + } + }) + + collapseTwoTwo.addEventListener('shown.bs.collapse', () => { + if (collapsedElements.two) { + secondTest() + } else { + collapsedElements.two = true + } + }) + + trigger.click() + }) + }) + + it('should collapse accordion children but not nested accordion children', () => { + return new Promise(resolve => { + fixtureEl.innerHTML = [ + '<div id="accordion">', + ' <div class="item">', + ' <a id="linkTrigger" data-bs-toggle="collapse" href="#collapseOne" aria-expanded="false" aria-controls="collapseOne"></a>', + ' <div id="collapseOne" data-bs-parent="#accordion" class="collapse" role="tabpanel" aria-labelledby="headingThree">', + ' <div id="nestedAccordion">', + ' <div class="item">', + ' <a id="nestedLinkTrigger" data-bs-toggle="collapse" href="#nestedCollapseOne" aria-expanded="false" aria-controls="nestedCollapseOne"></a>', + ' <div id="nestedCollapseOne" data-bs-parent="#nestedAccordion" class="collapse" role="tabpanel" aria-labelledby="headingThree"></div>', + ' </div>', + ' </div>', + ' </div>', + ' </div>', + ' <div class="item">', + ' <a id="linkTriggerTwo" data-bs-toggle="collapse" href="#collapseTwo" aria-expanded="false" aria-controls="collapseTwo"></a>', + ' <div id="collapseTwo" data-bs-parent="#accordion" class="collapse show" role="tabpanel" aria-labelledby="headingTwo"></div>', + ' </div>', + '</div>' + ].join('') + + const trigger = fixtureEl.querySelector('#linkTrigger') + const triggerTwo = fixtureEl.querySelector('#linkTriggerTwo') + const nestedTrigger = fixtureEl.querySelector('#nestedLinkTrigger') + const collapseOne = fixtureEl.querySelector('#collapseOne') + const collapseTwo = fixtureEl.querySelector('#collapseTwo') + const nestedCollapseOne = fixtureEl.querySelector('#nestedCollapseOne') + + function handlerCollapseOne() { + expect(collapseOne).toHaveClass('show') + expect(collapseTwo).not.toHaveClass('show') + expect(nestedCollapseOne).not.toHaveClass('show') + + nestedCollapseOne.addEventListener('shown.bs.collapse', handlerNestedCollapseOne) + nestedTrigger.click() + collapseOne.removeEventListener('shown.bs.collapse', handlerCollapseOne) + } + + function handlerNestedCollapseOne() { + expect(collapseOne).toHaveClass('show') + expect(collapseTwo).not.toHaveClass('show') + expect(nestedCollapseOne).toHaveClass('show') + + collapseTwo.addEventListener('shown.bs.collapse', () => { + expect(collapseOne).not.toHaveClass('show') + expect(collapseTwo).toHaveClass('show') + expect(nestedCollapseOne).toHaveClass('show') + resolve() + }) + + triggerTwo.click() + nestedCollapseOne.removeEventListener('shown.bs.collapse', handlerNestedCollapseOne) + } + + collapseOne.addEventListener('shown.bs.collapse', handlerCollapseOne) + trigger.click() + }) + }) + + it('should add "collapsed" class and set aria-expanded to triggers only when all the targeted collapse are hidden', () => { + return new Promise(resolve => { + fixtureEl.innerHTML = [ + '<a id="trigger1" role="button" data-bs-toggle="collapse" href="#test1"></a>', + '<a id="trigger2" role="button" data-bs-toggle="collapse" href="#test2"></a>', + '<a id="trigger3" role="button" data-bs-toggle="collapse" href=".multi"></a>', + '<div id="test1" class="multi"></div>', + '<div id="test2" class="multi"></div>' + ].join('') + + const trigger1 = fixtureEl.querySelector('#trigger1') + const trigger2 = fixtureEl.querySelector('#trigger2') + const trigger3 = fixtureEl.querySelector('#trigger3') + const target1 = fixtureEl.querySelector('#test1') + const target2 = fixtureEl.querySelector('#test2') + + const target2Shown = () => { + expect(trigger1).not.toHaveClass('collapsed') + expect(trigger1.getAttribute('aria-expanded')).toEqual('true') + + expect(trigger2).not.toHaveClass('collapsed') + expect(trigger2.getAttribute('aria-expanded')).toEqual('true') + + expect(trigger3).not.toHaveClass('collapsed') + expect(trigger3.getAttribute('aria-expanded')).toEqual('true') + + target2.addEventListener('hidden.bs.collapse', () => { + expect(trigger1).not.toHaveClass('collapsed') + expect(trigger1.getAttribute('aria-expanded')).toEqual('true') + + expect(trigger2).toHaveClass('collapsed') + expect(trigger2.getAttribute('aria-expanded')).toEqual('false') + + expect(trigger3).not.toHaveClass('collapsed') + expect(trigger3.getAttribute('aria-expanded')).toEqual('true') + + target1.addEventListener('hidden.bs.collapse', () => { + expect(trigger1).toHaveClass('collapsed') + expect(trigger1.getAttribute('aria-expanded')).toEqual('false') + + expect(trigger2).toHaveClass('collapsed') + expect(trigger2.getAttribute('aria-expanded')).toEqual('false') + + expect(trigger3).toHaveClass('collapsed') + expect(trigger3.getAttribute('aria-expanded')).toEqual('false') + resolve() + }) + + trigger1.click() + }) + + trigger2.click() + } + + target2.addEventListener('shown.bs.collapse', target2Shown) + trigger3.click() + }) + }) + }) + + describe('jQueryInterface', () => { + it('should create a collapse', () => { + fixtureEl.innerHTML = '<div></div>' + + const div = fixtureEl.querySelector('div') + + jQueryMock.fn.collapse = Collapse.jQueryInterface + jQueryMock.elements = [div] + + jQueryMock.fn.collapse.call(jQueryMock) + + expect(Collapse.getInstance(div)).not.toBeNull() + }) + + it('should not re create a collapse', () => { + fixtureEl.innerHTML = '<div></div>' + + const div = fixtureEl.querySelector('div') + const collapse = new Collapse(div) + + jQueryMock.fn.collapse = Collapse.jQueryInterface + jQueryMock.elements = [div] + + jQueryMock.fn.collapse.call(jQueryMock) + + expect(Collapse.getInstance(div)).toEqual(collapse) + }) + + it('should throw error on undefined method', () => { + fixtureEl.innerHTML = '<div></div>' + + const div = fixtureEl.querySelector('div') + const action = 'undefinedMethod' + + jQueryMock.fn.collapse = Collapse.jQueryInterface + jQueryMock.elements = [div] + + expect(() => { + jQueryMock.fn.collapse.call(jQueryMock, action) + }).toThrowError(TypeError, `No method named "${action}"`) + }) + }) + + describe('getInstance', () => { + it('should return collapse instance', () => { + fixtureEl.innerHTML = '<div></div>' + + const div = fixtureEl.querySelector('div') + const collapse = new Collapse(div) + + expect(Collapse.getInstance(div)).toEqual(collapse) + expect(Collapse.getInstance(div)).toBeInstanceOf(Collapse) + }) + + it('should return null when there is no collapse instance', () => { + fixtureEl.innerHTML = '<div></div>' + + const div = fixtureEl.querySelector('div') + + expect(Collapse.getInstance(div)).toBeNull() + }) + }) + + describe('getOrCreateInstance', () => { + it('should return collapse instance', () => { + fixtureEl.innerHTML = '<div></div>' + + const div = fixtureEl.querySelector('div') + const collapse = new Collapse(div) + + expect(Collapse.getOrCreateInstance(div)).toEqual(collapse) + expect(Collapse.getInstance(div)).toEqual(Collapse.getOrCreateInstance(div, {})) + expect(Collapse.getOrCreateInstance(div)).toBeInstanceOf(Collapse) + }) + + it('should return new instance when there is no collapse instance', () => { + fixtureEl.innerHTML = '<div></div>' + + const div = fixtureEl.querySelector('div') + + expect(Collapse.getInstance(div)).toBeNull() + expect(Collapse.getOrCreateInstance(div)).toBeInstanceOf(Collapse) + }) + + it('should return new instance when there is no collapse instance with given configuration', () => { + fixtureEl.innerHTML = '<div></div>' + + const div = fixtureEl.querySelector('div') + + expect(Collapse.getInstance(div)).toBeNull() + const collapse = Collapse.getOrCreateInstance(div, { + toggle: false + }) + expect(collapse).toBeInstanceOf(Collapse) + + expect(collapse._config.toggle).toBeFalse() + }) + + it('should return the instance when exists without given configuration', () => { + fixtureEl.innerHTML = '<div></div>' + + const div = fixtureEl.querySelector('div') + const collapse = new Collapse(div, { + toggle: false + }) + expect(Collapse.getInstance(div)).toEqual(collapse) + + const collapse2 = Collapse.getOrCreateInstance(div, { + toggle: true + }) + expect(collapse).toBeInstanceOf(Collapse) + expect(collapse2).toEqual(collapse) + + expect(collapse2._config.toggle).toBeFalse() + }) + }) +}) |