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+/**
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+ * @license Copyright (c) 2003-2018, CKSource - Frederico Knabben. All rights reserved.
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+ * For licensing, see LICENSE.md.
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+ */
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+
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+/* globals document */
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+
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+import ClassicTestEditor from '@ckeditor/ckeditor5-core/tests/_utils/classictesteditor';
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+import Paragraph from '../src/paragraph';
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+import Heading from '@ckeditor/ckeditor5-heading/src/heading';
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+import ParagraphButtonUI from '../src/paragraphbuttonui';
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+import { setData } from '@ckeditor/ckeditor5-engine/src/dev-utils/model';
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+import ButtonView from '@ckeditor/ckeditor5-ui/src/button/buttonview';
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+import icon from '../theme/icons/paragraph.svg';
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+
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+describe( 'HeadingButtonUI', () => {
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+ let editorElement, editor;
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+
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+ describe( 'default config', () => {
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+ beforeEach( () => {
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+ editorElement = document.createElement( 'div' );
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+ document.body.appendChild( editorElement );
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+
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+ return ClassicTestEditor
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+ .create( editorElement, {
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+ plugins: [ Paragraph, ParagraphButtonUI, Heading ],
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+ toolbar: [ 'paragraph' ]
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+ } )
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+ .then( newEditor => {
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+ editor = newEditor;
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+ setData( editor.model, '<paragraph>f{}oo</paragraph>' );
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+ } );
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+ } );
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+
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+ afterEach( () => {
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+ editorElement.remove();
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+
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+ return editor.destroy();
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+ } );
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+
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+ it( 'should define default buttons', () => {
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+ const factory = editor.ui.componentFactory;
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+
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+ expect( factory.create( 'paragraph' ) ).to.be.instanceOf( ButtonView );
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+ } );
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+
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+ it( 'should intialize buttons with correct data', () => {
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+ const paragraphButton = editor.ui.componentFactory.create( 'paragraph' );
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+
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+ expect( paragraphButton.label ).to.equal( 'Paragraph' );
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+ expect( paragraphButton.icon ).to.equal( icon );
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+ expect( paragraphButton.tooltip ).to.equal( true );
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+ } );
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+
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+ it( 'should bind button to command', () => {
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+ const paragraphButton = editor.ui.componentFactory.create( 'paragraph' );
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+ const paragraphCommand = editor.commands.get( 'paragraph' );
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+
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+ expect( paragraphCommand.isEnabled ).to.be.true;
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+ expect( paragraphButton.isEnabled ).to.be.true;
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+
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+ paragraphCommand.isEnabled = false;
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+ expect( paragraphButton.isEnabled ).to.be.false;
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+
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+ expect( paragraphCommand.value ).to.be.true;
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+ expect( paragraphButton.isOn ).to.be.true;
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+
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+ setData( editor.model, '<heading2>f{}oo</heading2>' );
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+
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+ expect( paragraphCommand.value ).to.be.false;
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+ expect( paragraphButton.isOn ).to.be.false;
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+ } );
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+
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+ it( 'should bind button execute to command execute', () => {
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+ const pararaphButton = editor.ui.componentFactory.create( 'paragraph' );
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+ const executeCommandSpy = sinon.spy( editor, 'execute' );
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+
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+ pararaphButton.fire( 'execute' );
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+
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+ sinon.assert.calledOnce( executeCommandSpy );
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+ sinon.assert.calledWithExactly( executeCommandSpy, 'paragraph' );
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+ } );
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+ } );
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+} );
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