/** * @license Copyright (c) 2003-2018, CKSource - Frederico Knabben. All rights reserved. * For licensing, see LICENSE.md. */ import DropdownView from '../../src/dropdown/dropdownview'; import KeystrokeHandler from '@ckeditor/ckeditor5-utils/src/keystrokehandler'; import FocusTracker from '@ckeditor/ckeditor5-utils/src/focustracker'; import { keyCodes } from '@ckeditor/ckeditor5-utils/src/keyboard'; import ButtonView from '../../src/button/buttonview'; import DropdownPanelView from '../../src/dropdown/dropdownpanelview'; describe( 'DropdownView', () => { let view, buttonView, panelView, locale; beforeEach( () => { locale = { t() {} }; buttonView = new ButtonView( locale ); panelView = new DropdownPanelView( locale ); view = new DropdownView( locale, buttonView, panelView ); view.render(); } ); describe( 'constructor()', () => { it( 'sets view#locale', () => { expect( view.locale ).to.equal( locale ); } ); it( 'sets view#buttonView', () => { expect( view.buttonView ).to.equal( buttonView ); } ); it( 'sets view#panelView', () => { expect( view.panelView ).to.equal( panelView ); } ); it( 'sets view#isOpen false', () => { expect( view.isOpen ).to.be.false; } ); it( 'sets view#isEnabled true', () => { expect( view.isEnabled ).to.be.true; } ); it( 'creates #focusTracker instance', () => { expect( view.focusTracker ).to.be.instanceOf( FocusTracker ); } ); it( 'creates #keystrokeHandler instance', () => { expect( view.keystrokes ).to.be.instanceOf( KeystrokeHandler ); } ); it( 'creates #element from template', () => { expect( view.element.classList.contains( 'ck' ) ).to.be.true; expect( view.element.classList.contains( 'ck-dropdown' ) ).to.be.true; expect( view.element.children ).to.have.length( 2 ); expect( view.element.children[ 0 ] ).to.equal( buttonView.element ); expect( view.element.children[ 1 ] ).to.equal( panelView.element ); } ); it( 'sets view#buttonView class', () => { expect( view.buttonView.element.classList.contains( 'ck-dropdown__button' ) ).to.be.true; } ); describe( 'bindings', () => { describe( 'view#isOpen to view.buttonView#select', () => { it( 'is activated', () => { const values = []; view.on( 'change:isOpen', () => { values.push( view.isOpen ); } ); view.buttonView.fire( 'open' ); view.buttonView.fire( 'open' ); view.buttonView.fire( 'open' ); expect( values ).to.have.members( [ true, false, true ] ); } ); } ); describe( 'view.panelView#isVisible to view#isOpen', () => { it( 'is activated', () => { const values = []; view.listenTo( view.panelView, 'change:isVisible', () => { values.push( view.isOpen ); } ); view.isOpen = true; view.isOpen = false; view.isOpen = true; expect( values ).to.have.members( [ true, false, true ] ); } ); } ); describe( 'DOM', () => { describe( 'view#element .ck-disabled class to view#isEnabled', () => { it( 'is activated', () => { view.isEnabled = true; expect( view.element.classList.contains( 'ck-disabled' ) ).to.be.false; view.isEnabled = false; expect( view.element.classList.contains( 'ck-disabled' ) ).to.be.true; } ); } ); } ); } ); } ); describe( 'render()', () => { it( 'starts listening for #keystrokes coming from #element', () => { view = new DropdownView( locale, new ButtonView( locale ), new DropdownPanelView( locale ) ); const spy = sinon.spy( view.keystrokes, 'listenTo' ); view.render(); sinon.assert.calledOnce( spy ); sinon.assert.calledWithExactly( spy, view.element ); } ); it( 'adds #element to #focusTracker', () => { view = new DropdownView( locale, new ButtonView( locale ), new DropdownPanelView( locale ) ); const spy = sinon.spy( view.focusTracker, 'add' ); view.render(); sinon.assert.calledOnce( spy ); sinon.assert.calledWithExactly( spy, view.element ); } ); describe( 'activates keyboard navigation for the dropdown', () => { it( 'so "arrowdown" opens the #panelView', () => { const keyEvtData = { keyCode: keyCodes.arrowdown, preventDefault: sinon.spy(), stopPropagation: sinon.spy() }; view.buttonView.isEnabled = true; view.isOpen = true; view.keystrokes.press( keyEvtData ); sinon.assert.notCalled( keyEvtData.preventDefault ); sinon.assert.notCalled( keyEvtData.stopPropagation ); expect( view.isOpen ).to.be.true; view.isOpen = false; view.keystrokes.press( keyEvtData ); sinon.assert.calledOnce( keyEvtData.preventDefault ); sinon.assert.calledOnce( keyEvtData.stopPropagation ); expect( view.isOpen ).to.be.true; } ); it( 'so "arrowdown" won\'t open the #panelView when #isEnabled is false', () => { const keyEvtData = { keyCode: keyCodes.arrowdown, preventDefault: sinon.spy(), stopPropagation: sinon.spy() }; view.buttonView.isEnabled = false; view.isOpen = false; view.keystrokes.press( keyEvtData ); sinon.assert.notCalled( keyEvtData.preventDefault ); sinon.assert.notCalled( keyEvtData.stopPropagation ); expect( view.isOpen ).to.be.false; } ); it( 'so "arrowright" is blocked', () => { const keyEvtData = { keyCode: keyCodes.arrowright, preventDefault: sinon.spy(), stopPropagation: sinon.spy() }; view.false = true; view.keystrokes.press( keyEvtData ); sinon.assert.notCalled( keyEvtData.preventDefault ); sinon.assert.notCalled( keyEvtData.stopPropagation ); expect( view.isOpen ).to.be.false; view.isOpen = true; view.keystrokes.press( keyEvtData ); sinon.assert.calledOnce( keyEvtData.preventDefault ); sinon.assert.calledOnce( keyEvtData.stopPropagation ); expect( view.isOpen ).to.be.true; } ); it( 'so "arrowleft" closes the #panelView', () => { const keyEvtData = { keyCode: keyCodes.arrowleft, preventDefault: sinon.spy(), stopPropagation: sinon.spy() }; const spy = sinon.spy( view.buttonView, 'focus' ); view.isOpen = false; view.keystrokes.press( keyEvtData ); sinon.assert.notCalled( keyEvtData.preventDefault ); sinon.assert.notCalled( keyEvtData.stopPropagation ); sinon.assert.notCalled( spy ); expect( view.isOpen ).to.be.false; view.isOpen = true; view.keystrokes.press( keyEvtData ); sinon.assert.calledOnce( keyEvtData.preventDefault ); sinon.assert.calledOnce( keyEvtData.stopPropagation ); sinon.assert.calledOnce( spy ); expect( view.isOpen ).to.be.false; } ); it( 'so "esc" closes the #panelView', () => { const keyEvtData = { keyCode: keyCodes.esc, preventDefault: sinon.spy(), stopPropagation: sinon.spy() }; const spy = sinon.spy( view.buttonView, 'focus' ); view.isOpen = false; view.keystrokes.press( keyEvtData ); sinon.assert.notCalled( keyEvtData.preventDefault ); sinon.assert.notCalled( keyEvtData.stopPropagation ); sinon.assert.notCalled( spy ); expect( view.isOpen ).to.be.false; view.isOpen = true; view.keystrokes.press( keyEvtData ); sinon.assert.calledOnce( keyEvtData.preventDefault ); sinon.assert.calledOnce( keyEvtData.stopPropagation ); sinon.assert.calledOnce( spy ); expect( view.isOpen ).to.be.false; } ); } ); } ); describe( 'focus()', () => { it( 'focuses the #buttonView in DOM', () => { const spy = sinon.spy( view.buttonView, 'focus' ); view.focus(); sinon.assert.calledOnce( spy ); } ); } ); } );