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- /**
- * @license Copyright (c) 2003-2019, CKSource - Frederico Knabben. All rights reserved.
- * For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license
- */
- /* global HTMLElement, setTimeout, document */
- import WordCount from '../src/wordcount';
- import Paragraph from '@ckeditor/ckeditor5-paragraph/src/paragraph';
- import VirtualTestEditor from '@ckeditor/ckeditor5-core/tests/_utils/virtualtesteditor';
- import testUtils from '@ckeditor/ckeditor5-core/tests/_utils/utils';
- import { setData as setModelData } from '@ckeditor/ckeditor5-engine/src/dev-utils/model';
- import { add as addTranslations, _clear as clearTranslations } from '@ckeditor/ckeditor5-utils/src/translation-service';
- import Position from '@ckeditor/ckeditor5-engine/src/model/position';
- // Delay related to word-count throttling.
- const DELAY = 255;
- describe( 'WordCount', () => {
- testUtils.createSinonSandbox();
- let wordCountPlugin, editor, model;
- beforeEach( () => {
- return VirtualTestEditor.create( {
- plugins: [ WordCount, Paragraph ]
- } )
- .then( _editor => {
- editor = _editor;
- model = editor.model;
- wordCountPlugin = editor.plugins.get( 'WordCount' );
- model.schema.extend( '$text', { allowAttributes: 'foo' } );
- } );
- } );
- describe( 'constructor()', () => {
- it( 'has defined "words" property', () => {
- expect( wordCountPlugin.words ).to.equal( 0 );
- } );
- it( 'has defined "characters" property', () => {
- expect( wordCountPlugin.characters ).to.equal( 0 );
- } );
- it( 'has "WordCount" plugin name', () => {
- expect( WordCount.pluginName ).to.equal( 'WordCount' );
- } );
- } );
- describe( 'functionality', () => {
- it( 'counts words', () => {
- expect( wordCountPlugin.words ).to.equal( 0 );
- setModelData( model, '<paragraph>Foo(bar)baz</paragraph>' +
- '<paragraph><$text foo="true">Hello</$text> world.</paragraph>' +
- '<paragraph>1234</paragraph>' +
- '<paragraph>(-@#$%^*())</paragraph>' );
- wordCountPlugin._calculateWordsAndCharacters();
- expect( wordCountPlugin.words ).to.equal( 6 );
- } );
- it( 'counts characters', () => {
- setModelData( model, '<paragraph><$text foo="true">Hello</$text> world.</paragraph>' );
- wordCountPlugin._calculateWordsAndCharacters();
- expect( wordCountPlugin.characters ).to.equal( 12 );
- } );
- describe( 'update event', () => {
- it( 'fires update event with actual amount of characters and words', () => {
- const fake = sinon.fake();
- wordCountPlugin.on( 'update', fake );
- wordCountPlugin._calculateWordsAndCharacters();
- sinon.assert.calledOnce( fake );
- sinon.assert.calledWithExactly( fake, sinon.match.any, { words: 0, characters: 0 } );
- // _calculateWordsAndCharacters is throttled, so for this test case is run manually
- setModelData( model, '<paragraph><$text foo="true">Hello</$text> world.</paragraph>' );
- wordCountPlugin._calculateWordsAndCharacters();
- sinon.assert.calledTwice( fake );
- sinon.assert.calledWithExactly( fake, sinon.match.any, { words: 2, characters: 12 } );
- } );
- } );
- } );
- describe( 'self-updating element', () => {
- let container;
- beforeEach( () => {
- container = wordCountPlugin.wordCountContainer;
- } );
- it( 'provides html element', () => {
- expect( container ).to.be.instanceof( HTMLElement );
- } );
- it( 'provided element has proper structure', () => {
- expect( container.tagName ).to.equal( 'DIV' );
- expect( container.classList.contains( 'ck' ) ).to.be.true;
- expect( container.classList.contains( 'ck-word-count' ) ).to.be.true;
- const children = Array.from( container.children );
- expect( children.length ).to.equal( 2 );
- expect( children[ 0 ].tagName ).to.equal( 'DIV' );
- expect( children[ 0 ].innerHTML ).to.equal( 'Words: 0' );
- expect( children[ 1 ].tagName ).to.equal( 'DIV' );
- expect( children[ 1 ].innerHTML ).to.equal( 'Characters: 0' );
- } );
- it( 'updates container content', () => {
- expect( container.innerText ).to.equal( 'Words: 0Characters: 0' );
- setModelData( model, '<paragraph>Foo(bar)baz</paragraph>' +
- '<paragraph><$text foo="true">Hello</$text> world.</paragraph>' );
- wordCountPlugin._calculateWordsAndCharacters();
- // There is \n between paragraph which has to be included into calculations
- expect( container.innerText ).to.equal( 'Words: 5Characters: 24' );
- } );
- it( 'subsequent calls provides the same element', () => {
- const newContainer = wordCountPlugin.wordCountContainer;
- expect( container ).to.equal( newContainer );
- } );
- describe( 'destroy()', () => {
- it( 'html element is removed', done => {
- const frag = document.createDocumentFragment();
- frag.appendChild( container );
- expect( frag.querySelector( '*' ) ).to.be.instanceof( HTMLElement );
- editor.destroy()
- .then( () => {
- expect( frag.querySelector( '*' ) ).to.be.null;
- } )
- .then( done )
- .catch( done );
- } );
- it( 'method is called', done => {
- const spy = sinon.spy( wordCountPlugin, 'destroy' );
- editor.destroy()
- .then( () => {
- sinon.assert.calledOnce( spy );
- } )
- .then( done )
- .catch( done );
- } );
- } );
- } );
- describe( '_calculateWordsAndCharacters and throttle', () => {
- beforeEach( done => {
- // We need to flush initial throttle value after editor's initialization
- setTimeout( done, DELAY );
- } );
- it( 'gets update after model data change', done => {
- const fake = sinon.fake();
- wordCountPlugin.on( 'update', fake );
- // Initial change in model should be immediately reflected in word-count
- setModelData( model, '<paragraph>Hello world.</paragraph>' );
- sinon.assert.calledOnce( fake );
- sinon.assert.calledWith( fake, sinon.match.any, { words: 2, characters: 12 } );
- // Subsequent updates should be throttle and run with last parameters
- setTimeout( () => {
- sinon.assert.calledTwice( fake );
- sinon.assert.calledWith( fake, sinon.match.any, { words: 2, characters: 9 } );
- done();
- }, DELAY );
- setModelData( model, '<paragraph>Hello world</paragraph>' );
- setModelData( model, '<paragraph>Hello worl</paragraph>' );
- setModelData( model, '<paragraph>Hello wor</paragraph>' );
- } );
- it( 'is not update after selection change', done => {
- setModelData( model, '<paragraph>Hello[] world.</paragraph>' );
- const fake = sinon.fake();
- const fakeSelectionChange = sinon.fake();
- wordCountPlugin.on( 'update', fake );
- model.document.on( 'change', fakeSelectionChange );
- model.change( writer => {
- const range = writer.createRange( new Position( model.document.getRoot(), [ 0, 1 ] ) );
- writer.setSelection( range );
- } );
- model.change( writer => {
- const range = writer.createRange( new Position( model.document.getRoot(), [ 0, 10 ] ) );
- writer.setSelection( range );
- } );
- setTimeout( () => {
- sinon.assert.notCalled( fake );
- sinon.assert.called( fakeSelectionChange );
- done();
- }, DELAY );
- } );
- } );
- describe( 'custom config options', () => {
- it( 'displayWords = false', done => {
- VirtualTestEditor.create( {
- plugins: [ WordCount, Paragraph ],
- wordCount: {
- displayWords: false
- }
- } )
- .then( editor => {
- const wordCountPlugin = editor.plugins.get( 'WordCount' );
- const container = wordCountPlugin.wordCountContainer;
- expect( container.innerText ).to.equal( 'Characters: 0' );
- } )
- .then( done )
- .catch( done );
- } );
- it( 'displayCharacters = false', done => {
- VirtualTestEditor.create( {
- plugins: [ WordCount, Paragraph ],
- wordCount: {
- displayCharacters: false
- }
- } )
- .then( editor => {
- const wordCountPlugin = editor.plugins.get( 'WordCount' );
- const container = wordCountPlugin.wordCountContainer;
- expect( container.innerText ).to.equal( 'Words: 0' );
- } )
- .then( done )
- .catch( done );
- } );
- it( 'should call function registered under config.wordCount.onUpdate', () => {
- const fake = sinon.fake();
- return VirtualTestEditor.create( {
- plugins: [ WordCount, Paragraph ],
- wordCount: {
- onUpdate: fake
- }
- } )
- .then( editor => {
- sinon.assert.calledWithExactly( fake, { words: 0, characters: 0 } );
- setModelData( editor.model, '<paragraph>Foo Bar</paragraph>' );
- } )
- .then( () => new Promise( resolve => {
- setTimeout( resolve, DELAY );
- } ) )
- .then( () => {
- sinon.assert.calledWithExactly( fake, { words: 2, characters: 7 } );
- } );
- } );
- it( 'should append word count container in element referenced in config.wordCount.container', () => {
- const element = document.createElement( 'div' );
- expect( element.children.length ).to.equal( 0 );
- return VirtualTestEditor.create( {
- plugins: [ WordCount, Paragraph ],
- wordCount: {
- container: element
- }
- } )
- .then( editor => {
- expect( element.children.length ).to.equal( 1 );
- const wordCountPlugin = editor.plugins.get( 'WordCount' );
- expect( element.firstElementChild ).to.equal( wordCountPlugin.wordCountContainer );
- } );
- } );
- } );
- describe( 'translations', () => {
- before( () => {
- addTranslations( 'pl', {
- 'Words: %0': 'Słowa: %0',
- 'Characters: %0': 'Znaki: %0'
- } );
- addTranslations( 'en', {
- 'Words: %0': 'Words: %0',
- 'Characters: %0': 'Characters: %0'
- } );
- } );
- after( () => {
- clearTranslations();
- } );
- it( 'applies proper language translations', done => {
- VirtualTestEditor.create( {
- plugins: [ WordCount, Paragraph ],
- language: 'pl'
- } )
- .then( editor => {
- const wordCountPlugin = editor.plugins.get( 'WordCount' );
- const container = wordCountPlugin.wordCountContainer;
- expect( container.innerText ).to.equal( 'Słowa: 0Znaki: 0' );
- } )
- .then( done )
- .catch( done );
- } );
- } );
- } );
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