diff options
Diffstat (limited to 'spec/javascripts/droplab/drop_down_spec.js')
-rw-r--r-- | spec/javascripts/droplab/drop_down_spec.js | 578 |
1 files changed, 578 insertions, 0 deletions
diff --git a/spec/javascripts/droplab/drop_down_spec.js b/spec/javascripts/droplab/drop_down_spec.js new file mode 100644 index 00000000000..bbf953658c8 --- /dev/null +++ b/spec/javascripts/droplab/drop_down_spec.js @@ -0,0 +1,578 @@ +/* eslint-disable */ + +import DropDown from '~/droplab/drop_down'; +import utils from '~/droplab/utils'; +import { SELECTED_CLASS } from '~/droplab/constants'; + +describe('DropDown', function () { + describe('class constructor', function () { + beforeEach(function () { + spyOn(DropDown.prototype, 'getItems'); + spyOn(DropDown.prototype, 'initTemplateString'); + spyOn(DropDown.prototype, 'addEvents'); + + this.list = { innerHTML: 'innerHTML' }; + this.dropdown = new DropDown(this.list); + }); + + it('sets the .hidden property to true', function () { + expect(this.dropdown.hidden).toBe(true); + }) + + it('sets the .list property', function () { + expect(this.dropdown.list).toBe(this.list); + }); + + it('calls .getItems', function () { + expect(DropDown.prototype.getItems).toHaveBeenCalled(); + }); + + it('calls .initTemplateString', function () { + expect(DropDown.prototype.initTemplateString).toHaveBeenCalled(); + }); + + it('calls .addEvents', function () { + expect(DropDown.prototype.addEvents).toHaveBeenCalled(); + }); + + it('sets the .initialState property to the .list.innerHTML', function () { + expect(this.dropdown.initialState).toBe(this.list.innerHTML); + }); + + describe('if the list argument is a string', function () { + beforeEach(function () { + this.element = {}; + this.selector = '.selector'; + + spyOn(Document.prototype, 'querySelector').and.returnValue(this.element); + + this.dropdown = new DropDown(this.selector); + }); + + it('calls .querySelector with the selector string', function () { + expect(Document.prototype.querySelector).toHaveBeenCalledWith(this.selector); + }); + + it('sets the .list property element', function () { + expect(this.dropdown.list).toBe(this.element); + }); + }); + }); + + describe('getItems', function () { + beforeEach(function () { + this.list = { querySelectorAll: () => {} }; + this.dropdown = { list: this.list }; + this.nodeList = []; + + spyOn(this.list, 'querySelectorAll').and.returnValue(this.nodeList); + + this.getItems = DropDown.prototype.getItems.call(this.dropdown); + }); + + it('calls .querySelectorAll with a list item query', function () { + expect(this.list.querySelectorAll).toHaveBeenCalledWith('li'); + }); + + it('sets the .items property to the returned list items', function () { + expect(this.dropdown.items).toEqual(jasmine.any(Array)); + }); + + it('returns the .items', function () { + expect(this.getItems).toEqual(jasmine.any(Array)); + }); + }); + + describe('initTemplateString', function () { + beforeEach(function () { + this.items = [{ outerHTML: '<a></a>' }, { outerHTML: '<img>' }]; + this.dropdown = { items: this.items }; + + DropDown.prototype.initTemplateString.call(this.dropdown); + }); + + it('should set .templateString to the last items .outerHTML', function () { + expect(this.dropdown.templateString).toBe(this.items[1].outerHTML); + }); + + it('should not set .templateString to a non-last items .outerHTML', function () { + expect(this.dropdown.templateString).not.toBe(this.items[0].outerHTML); + }); + + describe('if .items is not set', function () { + beforeEach(function () { + this.dropdown = { getItems: () => {} }; + + spyOn(this.dropdown, 'getItems').and.returnValue([]); + + DropDown.prototype.initTemplateString.call(this.dropdown); + }); + + it('should call .getItems', function () { + expect(this.dropdown.getItems).toHaveBeenCalled(); + }); + }); + + describe('if items array is empty', function () { + beforeEach(function () { + this.dropdown = { items: [] }; + + DropDown.prototype.initTemplateString.call(this.dropdown); + }); + + it('should set .templateString to an empty string', function () { + expect(this.dropdown.templateString).toBe(''); + }); + }); + }); + + describe('clickEvent', function () { + beforeEach(function () { + this.list = { dispatchEvent: () => {} }; + this.dropdown = { hide: () => {}, list: this.list, addSelectedClass: () => {} }; + this.event = { preventDefault: () => {}, target: 'target' }; + this.customEvent = {}; + this.closestElement = {}; + + spyOn(this.dropdown, 'hide'); + spyOn(this.dropdown, 'addSelectedClass'); + spyOn(this.list, 'dispatchEvent'); + spyOn(this.event, 'preventDefault'); + spyOn(window, 'CustomEvent').and.returnValue(this.customEvent); + spyOn(utils, 'closest').and.returnValues(this.closestElement, undefined); + + DropDown.prototype.clickEvent.call(this.dropdown, this.event); + }); + + it('should call utils.closest', function () { + expect(utils.closest).toHaveBeenCalledWith(this.event.target, 'LI'); + }); + + it('should call addSelectedClass', function () { + expect(this.dropdown.addSelectedClass).toHaveBeenCalledWith(this.closestElement); + }) + + it('should call .preventDefault', function () { + expect(this.event.preventDefault).toHaveBeenCalled(); + }); + + it('should call .hide', function () { + expect(this.dropdown.hide).toHaveBeenCalled(); + }); + + it('should construct CustomEvent', function () { + expect(window.CustomEvent).toHaveBeenCalledWith('click.dl', jasmine.any(Object)); + }); + + it('should call .dispatchEvent with the customEvent', function () { + expect(this.list.dispatchEvent).toHaveBeenCalledWith(this.customEvent); + }); + + describe('if no selected element exists', function () { + beforeEach(function () { + this.event.preventDefault.calls.reset(); + this.clickEvent = DropDown.prototype.clickEvent.call(this.dropdown, this.event); + }); + + it('should return undefined', function () { + expect(this.clickEvent).toBe(undefined); + }); + + it('should return before .preventDefault is called', function () { + expect(this.event.preventDefault).not.toHaveBeenCalled(); + }); + }); + }); + + describe('addSelectedClass', function () { + beforeEach(function () { + this.items = Array(4).forEach((item, i) => { + this.items[i] = { classList: { add: () => {} } }; + spyOn(this.items[i].classList, 'add'); + }); + this.selected = { classList: { add: () => {} } }; + this.dropdown = { removeSelectedClasses: () => {} }; + + spyOn(this.dropdown, 'removeSelectedClasses'); + spyOn(this.selected.classList, 'add'); + + DropDown.prototype.addSelectedClass.call(this.dropdown, this.selected); + }); + + it('should call .removeSelectedClasses', function () { + expect(this.dropdown.removeSelectedClasses).toHaveBeenCalled(); + }); + + it('should call .classList.add', function () { + expect(this.selected.classList.add).toHaveBeenCalledWith(SELECTED_CLASS); + }); + }); + + describe('removeSelectedClasses', function () { + beforeEach(function () { + this.items = Array(4); + this.items.forEach((item, i) => { + this.items[i] = { classList: { add: () => {} } }; + spyOn(this.items[i].classList, 'add'); + }); + this.dropdown = { items: this.items }; + + DropDown.prototype.removeSelectedClasses.call(this.dropdown); + }); + + it('should call .classList.remove for all items', function () { + this.items.forEach((item, i) => { + expect(this.items[i].classList.add).toHaveBeenCalledWith(SELECTED_CLASS); + }); + }); + + describe('if .items is not set', function () { + beforeEach(function () { + this.dropdown = { getItems: () => {} }; + + spyOn(this.dropdown, 'getItems').and.returnValue([]); + + DropDown.prototype.removeSelectedClasses.call(this.dropdown); + }); + + it('should call .getItems', function () { + expect(this.dropdown.getItems).toHaveBeenCalled(); + }); + }); + }); + + describe('addEvents', function () { + beforeEach(function () { + this.list = { addEventListener: () => {} }; + this.dropdown = { list: this.list, clickEvent: () => {}, eventWrapper: {} }; + + spyOn(this.list, 'addEventListener'); + + DropDown.prototype.addEvents.call(this.dropdown); + }); + + it('should call .addEventListener', function () { + expect(this.list.addEventListener).toHaveBeenCalledWith('click', jasmine.any(Function)); + }); + }); + + describe('toggle', function () { + beforeEach(function () { + this.dropdown = { hidden: true, show: () => {}, hide: () => {} }; + + spyOn(this.dropdown, 'show'); + spyOn(this.dropdown, 'hide'); + + DropDown.prototype.toggle.call(this.dropdown); + }); + + it('should call .show if hidden is true', function () { + expect(this.dropdown.show).toHaveBeenCalled(); + }); + + describe('if hidden is false', function () { + beforeEach(function () { + this.dropdown = { hidden: false, show: () => {}, hide: () => {} }; + + spyOn(this.dropdown, 'show'); + spyOn(this.dropdown, 'hide'); + + DropDown.prototype.toggle.call(this.dropdown); + }); + + it('should call .show if hidden is true', function () { + expect(this.dropdown.hide).toHaveBeenCalled(); + }); + }); + }); + + describe('setData', function () { + beforeEach(function () { + this.dropdown = { render: () => {} }; + this.data = ['data']; + + spyOn(this.dropdown, 'render'); + + DropDown.prototype.setData.call(this.dropdown, this.data); + }); + + it('should set .data', function () { + expect(this.dropdown.data).toBe(this.data); + }); + + it('should call .render with the .data', function () { + expect(this.dropdown.render).toHaveBeenCalledWith(this.data); + }); + }); + + describe('addData', function () { + beforeEach(function () { + this.dropdown = { render: () => {}, data: ['data1'] }; + this.data = ['data2']; + + spyOn(this.dropdown, 'render'); + spyOn(Array.prototype, 'concat').and.callThrough(); + + DropDown.prototype.addData.call(this.dropdown, this.data); + }); + + it('should call .concat with data', function () { + expect(Array.prototype.concat).toHaveBeenCalledWith(this.data); + }); + + it('should set .data with concatination', function () { + expect(this.dropdown.data).toEqual(['data1', 'data2']); + }); + + it('should call .render with the .data', function () { + expect(this.dropdown.render).toHaveBeenCalledWith(['data1', 'data2']); + }); + + describe('if .data is undefined', function () { + beforeEach(function () { + this.dropdown = { render: () => {}, data: undefined }; + this.data = ['data2']; + + spyOn(this.dropdown, 'render'); + + DropDown.prototype.addData.call(this.dropdown, this.data); + }); + + it('should set .data with concatination', function () { + expect(this.dropdown.data).toEqual(['data2']); + }); + }); + }); + + describe('render', function () { + beforeEach(function () { + this.list = { querySelector: () => {} }; + this.dropdown = { renderChildren: () => {}, list: this.list }; + this.renderableList = {}; + this.data = [0, 1]; + + spyOn(this.dropdown, 'renderChildren').and.callFake(data => data); + spyOn(this.list, 'querySelector').and.returnValue(this.renderableList); + spyOn(this.data, 'map').and.callThrough(); + + DropDown.prototype.render.call(this.dropdown, this.data); + }); + + it('should call .map', function () { + expect(this.data.map).toHaveBeenCalledWith(jasmine.any(Function)); + }); + + it('should call .renderChildren for each data item', function() { + expect(this.dropdown.renderChildren.calls.count()).toBe(this.data.length); + }); + + it('sets the renderableList .innerHTML', function () { + expect(this.renderableList.innerHTML).toBe('01'); + }); + + describe('if no data argument is passed' , function () { + beforeEach(function () { + this.data.map.calls.reset(); + this.dropdown.renderChildren.calls.reset(); + + DropDown.prototype.render.call(this.dropdown, undefined); + }); + + it('should not call .map', function () { + expect(this.data.map).not.toHaveBeenCalled(); + }); + + it('should not call .renderChildren', function () { + expect(this.dropdown.renderChildren).not.toHaveBeenCalled(); + }); + }); + + describe('if no dynamic list is present', function () { + beforeEach(function () { + this.list = { querySelector: () => {} }; + this.dropdown = { renderChildren: () => {}, list: this.list }; + this.data = [0, 1]; + + spyOn(this.dropdown, 'renderChildren').and.callFake(data => data); + spyOn(this.list, 'querySelector'); + spyOn(this.data, 'map').and.callThrough(); + + DropDown.prototype.render.call(this.dropdown, this.data); + }); + + it('sets the .list .innerHTML', function () { + expect(this.list.innerHTML).toBe('01'); + }); + }); + }); + + describe('renderChildren', function () { + beforeEach(function () { + this.templateString = 'templateString'; + this.dropdown = { setImagesSrc: () => {}, templateString: this.templateString }; + this.data = { droplab_hidden: true }; + this.html = 'html'; + this.template = { firstChild: { outerHTML: 'outerHTML', style: {} } }; + + spyOn(utils, 't').and.returnValue(this.html); + spyOn(document, 'createElement').and.returnValue(this.template); + spyOn(this.dropdown, 'setImagesSrc'); + + this.renderChildren = DropDown.prototype.renderChildren.call(this.dropdown, this.data); + }); + + it('should call utils.t with .templateString and data', function () { + expect(utils.t).toHaveBeenCalledWith(this.templateString, this.data); + }); + + it('should call document.createElement', function () { + expect(document.createElement).toHaveBeenCalledWith('div'); + }); + + it('should set the templates .innerHTML to the HTML', function () { + expect(this.template.innerHTML).toBe(this.html); + }); + + it('should call .setImagesSrc with the template', function () { + expect(this.dropdown.setImagesSrc).toHaveBeenCalledWith(this.template); + }); + + it('should set the template display to none', function () { + expect(this.template.firstChild.style.display).toBe('none'); + }); + + it('should return the templates .firstChild.outerHTML', function () { + expect(this.renderChildren).toBe(this.template.firstChild.outerHTML); + }); + + describe('if droplab_hidden is false', function () { + beforeEach(function () { + this.data = { droplab_hidden: false }; + this.renderChildren = DropDown.prototype.renderChildren.call(this.dropdown, this.data); + }); + + it('should set the template display to block', function () { + expect(this.template.firstChild.style.display).toBe('block'); + }); + }); + }); + + describe('setImagesSrc', function () { + beforeEach(function () { + this.dropdown = {}; + this.template = { querySelectorAll: () => {} }; + + spyOn(this.template, 'querySelectorAll').and.returnValue([]); + + DropDown.prototype.setImagesSrc.call(this.dropdown, this.template); + }); + + it('should call .querySelectorAll', function () { + expect(this.template.querySelectorAll).toHaveBeenCalledWith('img[data-src]'); + }); + }); + + describe('show', function () { + beforeEach(function () { + this.list = { style: {} }; + this.dropdown = { list: this.list, hidden: true }; + + DropDown.prototype.show.call(this.dropdown); + }); + + it('it should set .list display to block', function () { + expect(this.list.style.display).toBe('block'); + }); + + it('it should set .hidden to false', function () { + expect(this.dropdown.hidden).toBe(false); + }); + + describe('if .hidden is false', function () { + beforeEach(function () { + this.list = { style: {} }; + this.dropdown = { list: this.list, hidden: false }; + + this.show = DropDown.prototype.show.call(this.dropdown); + }); + + it('should return undefined', function () { + expect(this.show).toEqual(undefined); + }); + + it('should not set .list display to block', function () { + expect(this.list.style.display).not.toEqual('block'); + }); + }); + }); + + describe('hide', function () { + beforeEach(function () { + this.list = { style: {} }; + this.dropdown = { list: this.list }; + + DropDown.prototype.hide.call(this.dropdown); + }); + + it('it should set .list display to none', function () { + expect(this.list.style.display).toBe('none'); + }); + + it('it should set .hidden to true', function () { + expect(this.dropdown.hidden).toBe(true); + }); + }); + + describe('toggle', function () { + beforeEach(function () { + this.hidden = true + this.dropdown = { hidden: this.hidden, show: () => {}, hide: () => {} }; + + spyOn(this.dropdown, 'show'); + spyOn(this.dropdown, 'hide'); + + DropDown.prototype.toggle.call(this.dropdown); + }); + + it('should call .show', function () { + expect(this.dropdown.show).toHaveBeenCalled(); + }); + + describe('if .hidden is false', function () { + beforeEach(function () { + this.hidden = false + this.dropdown = { hidden: this.hidden, show: () => {}, hide: () => {} }; + + spyOn(this.dropdown, 'show'); + spyOn(this.dropdown, 'hide'); + + DropDown.prototype.toggle.call(this.dropdown); + }); + + it('should call .hide', function () { + expect(this.dropdown.hide).toHaveBeenCalled(); + }); + }); + }); + + describe('destroy', function () { + beforeEach(function () { + this.list = { removeEventListener: () => {} }; + this.eventWrapper = { clickEvent: 'clickEvent' }; + this.dropdown = { list: this.list, hide: () => {}, eventWrapper: this.eventWrapper }; + + spyOn(this.list, 'removeEventListener'); + spyOn(this.dropdown, 'hide'); + + DropDown.prototype.destroy.call(this.dropdown); + }); + + it('it should call .hide', function () { + expect(this.dropdown.hide).toHaveBeenCalled(); + }); + + it('it should call .removeEventListener', function () { + expect(this.list.removeEventListener).toHaveBeenCalledWith('click', this.eventWrapper.clickEvent); + }); + }); +}); |