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- /**
- * @license Copyright (c) 2003-2015, CKSource - Frederico Knabben. All rights reserved.
- * For licensing, see LICENSE.md.
- */
- /* global document, HTMLElement */
- /* bender-tags: core, ui */
- 'use strict';
- const modules = bender.amd.require( 'ckeditor', 'ui/view', 'ui/region', 'ckeditorerror', 'model', 'eventinfo' );
- let View, TestView;
- let view;
- bender.tools.createSinonSandbox();
- beforeEach( updateModuleReference );
- describe( 'constructor', function() {
- beforeEach( function() {
- setTestViewClass();
- setTestViewInstance();
- } );
- it( 'accepts the model', function() {
- setTestViewInstance( { a: 'foo', b: 42 } );
- expect( view.model ).to.be.an.instanceof( modules.model );
- expect( view ).to.have.deep.property( 'model.a', 'foo' );
- expect( view ).to.have.deep.property( 'model.b', 42 );
- } );
- } );
- describe( 'instance', function() {
- beforeEach( function() {
- setTestViewClass();
- setTestViewInstance();
- } );
- it( 'has no default element', function() {
- expect( () => view.el ).to.throw( modules.ckeditorerror );
- } );
- it( 'has no default template', function() {
- expect( view.template ).to.be.undefined();
- } );
- it( 'has no default regions', function() {
- expect( view.regions ).to.have.length( 0 );
- } );
- } );
- describe( 'bind', function() {
- beforeEach( createViewInstanceWithTemplate );
- it( 'returns a function that passes arguments', function() {
- setTestViewInstance( { a: 'foo' } );
- let spy = bender.sinon.spy();
- let callback = view.bind( 'a', spy );
- expect( spy.called ).to.be.false;
- callback( 'el', 'updater' );
- sinon.assert.calledOnce( spy );
- sinon.assert.calledWithExactly( spy, 'el', 'foo' );
- view.model.a = 'bar';
- sinon.assert.calledTwice( spy );
- expect( spy.secondCall.calledWithExactly( 'el', 'bar' ) ).to.be.true;
- } );
- it( 'allows binding attribute to the model', function() {
- setTestViewClass( function() {
- return {
- tag: 'p',
- attrs: {
- 'class': this.bind( 'foo' )
- },
- text: 'abc'
- };
- } );
- setTestViewInstance( { foo: 'bar' } );
- expect( view.el.outerHTML ).to.be.equal( '<p class="bar">abc</p>' );
- view.model.foo = 'baz';
- expect( view.el.outerHTML ).to.be.equal( '<p class="baz">abc</p>' );
- } );
- it( 'allows binding "text" to the model', function() {
- setTestViewClass( function() {
- return {
- tag: 'p',
- children: [
- {
- tag: 'b',
- text: 'baz'
- }
- ],
- text: this.bind( 'foo' )
- };
- } );
- setTestViewInstance( { foo: 'bar' } );
- expect( view.el.outerHTML ).to.be.equal( '<p>bar<b>baz</b></p>' );
- // TODO: A solution to avoid nuking the children?
- view.model.foo = 'qux';
- expect( view.el.outerHTML ).to.be.equal( '<p>qux</p>' );
- } );
- it( 'allows binding to the model with value processing', function() {
- let callback = ( el, value ) =>
- ( value > 0 ? 'positive' : 'negative' );
- setTestViewClass( function() {
- return {
- tag: 'p',
- attrs: {
- 'class': this.bind( 'foo', callback )
- },
- text: this.bind( 'foo', callback )
- };
- } );
- setTestViewInstance( { foo: 3 } );
- expect( view.el.outerHTML ).to.be.equal( '<p class="positive">positive</p>' );
- view.model.foo = -7;
- expect( view.el.outerHTML ).to.be.equal( '<p class="negative">negative</p>' );
- } );
- it( 'allows binding to the model with custom callback', function() {
- setTestViewClass( function() {
- return {
- tag: 'p',
- attrs: {
- 'class': this.bind( 'foo', ( el, value ) => {
- el.innerHTML = value;
- if ( value == 'changed' ) {
- return value;
- }
- } )
- },
- text: 'bar'
- };
- } );
- setTestViewInstance( { foo: 'moo' } );
- expect( view.el.outerHTML ).to.be.equal( '<p>moo</p>' );
- view.model.foo = 'changed';
- expect( view.el.outerHTML ).to.be.equal( '<p class="changed">changed</p>' );
- } );
- } );
- describe( 'on', function() {
- it( 'accepts plain binding', function() {
- let spy = bender.sinon.spy();
- setTestViewClass( function() {
- return {
- tag: 'p',
- on: {
- x: 'a',
- }
- };
- } );
- setTestViewInstance();
- view.on( 'a', spy );
- dispatchEvent( view.el, 'x' );
- sinon.assert.calledWithExactly( spy,
- sinon.match.has( 'name', 'a' ),
- sinon.match.has( 'target', view.el )
- );
- } );
- it( 'accepts an array of event bindings', function() {
- let spy1 = bender.sinon.spy();
- let spy2 = bender.sinon.spy();
- setTestViewClass( function() {
- return {
- tag: 'p',
- on: {
- x: [ 'a', 'b' ]
- }
- };
- } );
- setTestViewInstance();
- view.on( 'a', spy1 );
- view.on( 'b', spy2 );
- dispatchEvent( view.el, 'x' );
- sinon.assert.calledWithExactly( spy1,
- sinon.match.has( 'name', 'a' ),
- sinon.match.has( 'target', view.el )
- );
- sinon.assert.calledWithExactly( spy2,
- sinon.match.has( 'name', 'b' ),
- sinon.match.has( 'target', view.el )
- );
- } );
- it( 'accepts DOM selectors', function() {
- let spy1 = bender.sinon.spy();
- let spy2 = bender.sinon.spy();
- let spy3 = bender.sinon.spy();
- setTestViewClass( function() {
- return {
- tag: 'p',
- children: [
- {
- tag: 'span',
- attrs: {
- 'class': 'y',
- },
- on: {
- 'test@p': 'c'
- }
- },
- {
- tag: 'div',
- children: [
- {
- tag: 'span',
- attrs: {
- 'class': 'y',
- }
- }
- ],
- }
- ],
- on: {
- 'test@.y': 'a',
- 'test@div': 'b'
- }
- };
- } );
- setTestViewInstance();
- view.on( 'a', spy1 );
- view.on( 'b', spy2 );
- view.on( 'c', spy3 );
- // Test "test@p".
- dispatchEvent( view.el, 'test' );
- sinon.assert.callCount( spy1, 0 );
- sinon.assert.callCount( spy2, 0 );
- sinon.assert.callCount( spy3, 0 );
- // Test "test@.y".
- dispatchEvent( view.el.firstChild, 'test' );
- expect( spy1.firstCall.calledWithExactly(
- sinon.match.has( 'name', 'a' ),
- sinon.match.has( 'target', view.el.firstChild )
- ) ).to.be.true;
- sinon.assert.callCount( spy2, 0 );
- sinon.assert.callCount( spy3, 0 );
- // Test "test@div".
- dispatchEvent( view.el.lastChild, 'test' );
- sinon.assert.callCount( spy1, 1 );
- expect( spy2.firstCall.calledWithExactly(
- sinon.match.has( 'name', 'b' ),
- sinon.match.has( 'target', view.el.lastChild )
- ) ).to.be.true;
- sinon.assert.callCount( spy3, 0 );
- // Test "test@.y".
- dispatchEvent( view.el.lastChild.firstChild, 'test' );
- expect( spy1.secondCall.calledWithExactly(
- sinon.match.has( 'name', 'a' ),
- sinon.match.has( 'target', view.el.lastChild.firstChild )
- ) ).to.be.true;
- sinon.assert.callCount( spy2, 1 );
- sinon.assert.callCount( spy3, 0 );
- } );
- it( 'accepts function callbacks', function() {
- let spy1 = bender.sinon.spy();
- let spy2 = bender.sinon.spy();
- setTestViewClass( function() {
- return {
- tag: 'p',
- children: [
- {
- tag: 'span'
- }
- ],
- on: {
- x: spy1,
- 'y@span': [ spy2, 'c' ],
- }
- };
- } );
- setTestViewInstance();
- dispatchEvent( view.el, 'x' );
- dispatchEvent( view.el.firstChild, 'y' );
- sinon.assert.calledWithExactly( spy1,
- sinon.match.has( 'target', view.el )
- );
- sinon.assert.calledWithExactly( spy2,
- sinon.match.has( 'target', view.el.firstChild )
- );
- } );
- it( 'supports event delegation', function() {
- let spy = bender.sinon.spy();
- setTestViewClass( function() {
- return {
- tag: 'p',
- children: [
- {
- tag: 'span'
- }
- ],
- on: {
- x: 'a',
- }
- };
- } );
- setTestViewInstance();
- view.on( 'a', spy );
- dispatchEvent( view.el.firstChild, 'x' );
- sinon.assert.calledWithExactly( spy,
- sinon.match.has( 'name', 'a' ),
- sinon.match.has( 'target', view.el.firstChild )
- );
- } );
- it( 'works for future elements', function() {
- let spy = bender.sinon.spy();
- setTestViewClass( function() {
- return {
- tag: 'p',
- on: {
- 'test@div': 'a'
- }
- };
- } );
- setTestViewInstance();
- view.on( 'a', spy );
- let div = document.createElement( 'div' );
- view.el.appendChild( div );
- dispatchEvent( div, 'test' );
- sinon.assert.calledWithExactly( spy, sinon.match.has( 'name', 'a' ), sinon.match.has( 'target', div ) );
- } );
- } );
- describe( 'render', function() {
- beforeEach( createViewInstanceWithTemplate );
- it( 'creates an element from template', function() {
- setTestViewInstance( { a: 1 } );
- expect( view.el ).to.be.an.instanceof( HTMLElement );
- expect( view.el.nodeName ).to.be.equal( 'A' );
- } );
- } );
- describe( 'destroy', function() {
- beforeEach( createViewInstanceWithTemplate );
- it( 'detaches the model', function() {
- expect( view.model ).to.be.an.instanceof( modules.model );
- view.destroy();
- expect( view.model ).to.be.null;
- } );
- it( 'detaches the element', function() {
- // Append the views's element to some container.
- let container = document.createElement( 'div' );
- container.appendChild( view.el );
- expect( view.el.nodeName ).to.be.equal( 'A' );
- expect( view.el ).to.be.an.instanceof( HTMLElement );
- expect( view.el.parentNode ).to.be.equal( container );
- view.destroy();
- expect( view.el ).to.be.an.instanceof( HTMLElement );
- expect( view.el.parentNode ).to.be.null;
- } );
- it( 'destroys child regions', function() {
- const Region = modules[ 'ui/region' ];
- let region = new Region( 'test' );
- let spy = bender.sinon.spy( region, 'destroy' );
- view.regions.add( region );
- view.destroy();
- expect( view.regions ).to.have.length( 0 );
- expect( spy.calledOnce ).to.be.true;
- } );
- it( 'detaches bound model listeners', function() {
- setTestViewClass( function() {
- return {
- tag: 'p',
- text: this.bind( 'foo' )
- };
- } );
- setTestViewInstance( { foo: 'bar' } );
- // Keep the reference after the view is destroyed.
- let model = view.model;
- expect( view.el.outerHTML ).to.be.equal( '<p>bar</p>' );
- model.foo = 'baz';
- expect( view.el.outerHTML ).to.be.equal( '<p>baz</p>' );
- view.destroy();
- model.foo = 'abc';
- expect( view.el.outerHTML ).to.be.equal( '<p>baz</p>' );
- } );
- } );
- function updateModuleReference() {
- View = modules[ 'ui/view' ];
- }
- function createViewInstanceWithTemplate() {
- setTestViewClass( () => ( { tag: 'a' } ) );
- setTestViewInstance();
- }
- function setTestViewClass( template ) {
- TestView = class V extends View {
- constructor( model ) {
- super( model );
- if ( template ) {
- this.template = template.call( this );
- }
- }
- };
- }
- function setTestViewInstance( model ) {
- view = new TestView( model );
- if ( view.template ) {
- document.body.appendChild( view.el );
- }
- }
- function dispatchEvent( el, domEvtName ) {
- if ( !el.parentNode ) {
- throw new Error( 'To dispatch an event, element must be in DOM. Otherwise #target is null.' );
- }
- el.dispatchEvent( new Event( domEvtName, {
- bubbles: true
- } ) );
- }
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