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+/**
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+ * @license Copyright (c) 2003-2020, CKSource - Frederico Knabben. All rights reserved.
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+ * For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license
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+ */
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+
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+import ModelTestEditor from '@ckeditor/ckeditor5-core/tests/_utils/modeltesteditor';
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+import InsertParagraphCommand from '../src/insertparagraphcommand';
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+
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+import { setData, getData } from '@ckeditor/ckeditor5-engine/src/dev-utils/model';
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+
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+describe( 'InsertParagraphCommand', () => {
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+ let editor, model, document, command, root, schema;
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+
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+ beforeEach( () => {
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+ return ModelTestEditor.create().then( newEditor => {
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+ editor = newEditor;
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+ model = editor.model;
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+ document = model.document;
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+ schema = model.schema;
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+ command = new InsertParagraphCommand( editor );
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+ root = document.getRoot();
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+
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+ editor.commands.add( 'insertParagraph', command );
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+ schema.register( 'paragraph', { inheritAllFrom: '$block' } );
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+ schema.register( 'heading1', { inheritAllFrom: '$block', allowIn: 'headersOnly' } );
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+ schema.register( 'headersOnly', { inheritAllFrom: '$block' } );
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+ } );
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+ } );
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+
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+ afterEach( () => {
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+ command.destroy();
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+ } );
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+
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+ describe( 'execute()', () => {
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+ it( 'should insert a paragraph before the provided model element and anchor the selection inside of it', () => {
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+ setData( model, '<heading1>foo[]</heading1>' );
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+
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+ command.execute( {
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+ element: root.getChild( 0 ),
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+ position: 'before'
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+ } );
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+
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+ expect( getData( model ) ).to.equal( '<paragraph>[]</paragraph><heading1>foo</heading1>' );
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+ } );
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+
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+ it( 'should insert a paragraph after the provided model element and anchor the selection inside of it', () => {
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+ setData( model, '<heading1>foo[]</heading1>' );
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+
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+ command.execute( {
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+ element: root.getChild( 0 ),
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+ position: 'after'
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+ } );
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+
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+ expect( getData( model ) ).to.equal( '<heading1>foo</heading1><paragraph>[]</paragraph>' );
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+ } );
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+
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+ it( 'should do nothing if the paragraph is not allowed in the provided context', () => {
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+ setData( model, '<headersOnly><heading1>foo[]</heading1></headersOnly>' );
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+
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+ command.execute( {
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+ element: root.getChild( 0 ).getChild( 0 ),
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+ position: 'before'
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+ } );
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+
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+ command.execute( {
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+ element: root.getChild( 0 ).getChild( 0 ),
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+ position: 'after'
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+ } );
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+
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+ expect( getData( model ) ).to.equal( '<headersOnly><heading1>foo[]</heading1></headersOnly>' );
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+ } );
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+
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+ describe( 'interation with existing paragraphs in the content', () => {
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+ it( 'should insert a paragraph before another paragraph', () => {
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+ setData( model, '<paragraph>foo[]</paragraph>' );
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+
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+ command.execute( {
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+ element: root.getChild( 0 ),
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+ position: 'before'
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+ } );
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+
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+ expect( getData( model ) ).to.equal( '<paragraph>[]</paragraph><paragraph>foo</paragraph>' );
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+ } );
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+
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+ it( 'should insert a paragraph after another paragraph', () => {
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+ setData( model, '<paragraph>foo[]</paragraph>' );
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+
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+ command.execute( {
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+ element: root.getChild( 0 ),
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+ position: 'after'
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+ } );
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+
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+ expect( getData( model ) ).to.equal( '<paragraph>foo</paragraph><paragraph>[]</paragraph>' );
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+ } );
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+
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+ it( 'should not merge with a paragraph that precedes the model element before which a new paragraph is inserted', () => {
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+ setData( model, '<paragraph>bar</paragraph><heading1>foo[]</heading1>' );
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+
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+ command.execute( {
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+ element: root.getChild( 1 ),
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+ position: 'before'
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+ } );
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+
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+ expect( getData( model ) ).to.equal( '<paragraph>bar</paragraph><paragraph>[]</paragraph><heading1>foo</heading1>' );
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+ } );
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+
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+ it( 'should not merge with a paragraph that follows the model element before which a new paragraph is inserted', () => {
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+ setData( model, '<heading1>foo[]</heading1><paragraph>bar</paragraph>' );
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+
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+ command.execute( {
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+ element: root.getChild( 0 ),
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+ position: 'after'
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+ } );
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+
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+ expect( getData( model ) ).to.equal( '<heading1>foo</heading1><paragraph>[]</paragraph><paragraph>bar</paragraph>' );
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+ } );
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+ } );
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+ } );
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+} );
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