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 = '
' 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 = [ '
', '
', ' Toggle item', '
Lorem ipsum
', '
', '
' ].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 = [ '
', '
', ' Toggle item', '
Lorem ipsum
', '
', '
' ].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 = [ '
', '
', ' Toggle item', '
Lorem ipsum
', '
', '
' ].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 = '
' const collapseEl = fixtureEl.querySelector('div') const collapse = new Collapse(collapseEl) spyOn(collapse, 'show') collapse.toggle() expect(collapse.show).toHaveBeenCalled() }) it('should call hide method if show class is present', () => { fixtureEl.innerHTML = '
' const collapseEl = fixtureEl.querySelector('.show') const collapse = new Collapse(collapseEl, { toggle: false }) spyOn(collapse, 'hide') collapse.toggle() expect(collapse.hide).toHaveBeenCalled() }) it('should find collapse children if they have collapse class too not only data-bs-parent', done => { fixtureEl.innerHTML = [ '
', '
', ' Toggle item 1', '
Lorem ipsum 1
', '
', '
', ' Toggle item 2', '
Lorem ipsum 2
', '
', '
' ].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') done() }) collapseList[1].toggle() }) }) describe('show', () => { it('should do nothing if is transitioning', () => { fixtureEl.innerHTML = '
' spyOn(EventHandler, 'trigger') const collapseEl = fixtureEl.querySelector('div') const collapse = new Collapse(collapseEl, { toggle: false }) collapse._isTransitioning = true collapse.show() expect(EventHandler.trigger).not.toHaveBeenCalled() }) it('should do nothing if already shown', () => { fixtureEl.innerHTML = '
' spyOn(EventHandler, 'trigger') const collapseEl = fixtureEl.querySelector('div') const collapse = new Collapse(collapseEl, { toggle: false }) collapse.show() expect(EventHandler.trigger).not.toHaveBeenCalled() }) it('should show a collapsed element', done => { fixtureEl.innerHTML = '
' 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('') done() }) collapse.show() }) it('should show a collapsed element on width', done => { fixtureEl.innerHTML = '
' 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('') done() }) collapse.show() }) it('should collapse only the first collapse', done => { fixtureEl.innerHTML = [ '
', '
', '
', '
', '
', '
' ].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') done() }) collapse.show() }) it('should be able to handle toggling of other children siblings', done => { fixtureEl.innerHTML = [ '
', '
', ' ', '
', '
', '
', '
', '
', '
', ' ', '
', '
', '
content
', '
', '
', '
', '
', ' ', '
', '
', '
content
', '
', '
', '
', '
', '
', '
' ].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') done() }) parentBtn.click() }) it('should not change tab tabpanels descendants on accordion', done => { fixtureEl.innerHTML = [ '
', '
', '

', ' ', '

', '
', '
', ' ', ' ', '
', '
', '
', '
' ].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) { done() } collapse.hide() }) collapse.show() }) it('should not fire shown when show is prevented', done => { fixtureEl.innerHTML = '
' const collapseEl = fixtureEl.querySelector('div') const collapse = new Collapse(collapseEl, { toggle: false }) const expectEnd = () => { setTimeout(() => { expect().nothing() done() }, 10) } collapseEl.addEventListener('show.bs.collapse', event => { event.preventDefault() expectEnd() }) collapseEl.addEventListener('shown.bs.collapse', () => { throw new Error('should not fire shown event') }) collapse.show() }) }) describe('hide', () => { it('should do nothing if is transitioning', () => { fixtureEl.innerHTML = '
' spyOn(EventHandler, 'trigger') const collapseEl = fixtureEl.querySelector('div') const collapse = new Collapse(collapseEl, { toggle: false }) collapse._isTransitioning = true collapse.hide() expect(EventHandler.trigger).not.toHaveBeenCalled() }) it('should do nothing if already shown', () => { fixtureEl.innerHTML = '
' spyOn(EventHandler, 'trigger') const collapseEl = fixtureEl.querySelector('div') const collapse = new Collapse(collapseEl, { toggle: false }) collapse.hide() expect(EventHandler.trigger).not.toHaveBeenCalled() }) it('should hide a collapsed element', done => { fixtureEl.innerHTML = '
' 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('') done() }) collapse.hide() }) it('should not fire hidden when hide is prevented', done => { fixtureEl.innerHTML = '
' const collapseEl = fixtureEl.querySelector('div') const collapse = new Collapse(collapseEl, { toggle: false }) const expectEnd = () => { setTimeout(() => { expect().nothing() done() }, 10) } collapseEl.addEventListener('hide.bs.collapse', event => { event.preventDefault() expectEnd() }) collapseEl.addEventListener('hidden.bs.collapse', () => { throw new Error('should not fire hidden event') }) collapse.hide() }) }) describe('dispose', () => { it('should destroy a collapse', () => { fixtureEl.innerHTML = '
' 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', done => { fixtureEl.innerHTML = [ '', '
' ].join('') const triggerEl = fixtureEl.querySelector('a') const nestedTriggerEl = fixtureEl.querySelector('#nested') spyOn(Event.prototype, 'preventDefault').and.callThrough() triggerEl.addEventListener('click', event => { expect(event.target.isEqualNode(nestedTriggerEl)).toBeTrue() expect(event.delegateTarget.isEqualNode(triggerEl)).toBeTrue() expect(Event.prototype.preventDefault).toHaveBeenCalled() done() }) nestedTriggerEl.click() }) it('should show multiple collapsed elements', done => { fixtureEl.innerHTML = [ '', '
', '
' ].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') done() }) trigger.click() }) it('should hide multiple collapsed elements', done => { fixtureEl.innerHTML = [ '', '
', '
' ].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') done() }) trigger.click() }) it('should remove "collapsed" class from target when collapse is shown', done => { fixtureEl.innerHTML = [ '', '', '
' ].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') done() }) link1.click() }) it('should add "collapsed" class to target when collapse is hidden', done => { fixtureEl.innerHTML = [ '', '', '
' ].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') done() }) link1.click() }) it('should allow accordion to use children other than card', done => { fixtureEl.innerHTML = [ '
', '
', ' ', '
', '
', '
', ' ', '
', '
', '
' ].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') done() }) triggerTwo.click() }) trigger.click() }) it('should not prevent event for input', done => { fixtureEl.innerHTML = [ '', '
' ].join('') const target = fixtureEl.querySelector('input') const collapseEl = fixtureEl.querySelector('#collapsediv1') collapseEl.addEventListener('shown.bs.collapse', () => { expect(collapseEl).toHaveClass('show') expect(target.checked).toBeTrue() done() }) target.click() }) it('should allow accordion to contain nested elements', done => { fixtureEl.innerHTML = [ '
', '
', '
', '
', ' ', '
', '
', '
', '
', '
', ' ', '
', '
', '
', '
', '
' ].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') done() }) triggerTwoEl.click() }) triggerEl.click() }) it('should allow accordion to target multiple elements', done => { fixtureEl.innerHTML = [ '
', ' ', ' ', '
', '
', '
', '
', '
' ].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') done() } 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', done => { fixtureEl.innerHTML = [ '
', '
', ' ', '
', '
', '
', ' ', '
', '
', '
', '
', '
', '
', ' ', '
', '
', '
' ].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') done() }) 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', done => { fixtureEl.innerHTML = [ '', '', '', '
', '
' ].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') done() }) trigger1.click() }) trigger2.click() } target2.addEventListener('shown.bs.collapse', target2Shown) trigger3.click() }) }) describe('jQueryInterface', () => { it('should create a collapse', () => { fixtureEl.innerHTML = '
' 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 = '
' 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 = '
' 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 = '
' 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 = '
' const div = fixtureEl.querySelector('div') expect(Collapse.getInstance(div)).toBeNull() }) }) describe('getOrCreateInstance', () => { it('should return collapse instance', () => { fixtureEl.innerHTML = '
' 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 = '
' 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 = '
' 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 = '
' 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() }) }) })