Added EmptyBlock integration tests.

packages/ckeditor5-list/tests/list/integrations/emptyblock.js

@@ -0,0 +1,93 @@
+/**
+ * @license Copyright (c) 2003-2025, CKSource Holding sp. z o.o. All rights reserved.
+ * For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-licensing-options
+ */
+
+import ListEditing from '../../../src/list/listediting.js';
+
+import HeadingEditing from '@ckeditor/ckeditor5-heading/src/headingediting.js';
+import Paragraph from '@ckeditor/ckeditor5-paragraph/src/paragraph.js';
+import EmptyBlock from '@ckeditor/ckeditor5-html-support/src/emptyblock.js';
+import testUtils from '@ckeditor/ckeditor5-core/tests/_utils/utils.js';
+
+import VirtualTestEditor from '@ckeditor/ckeditor5-core/tests/_utils/virtualtesteditor.js';
+import { setupTestHelpers } from '../_utils/utils.js';
+import stubUid from '../_utils/uid.js';
+
+describe( 'ListEditing - EmptyBlock integration', () => {
+	let editor, view, test;
+
+	testUtils.createSinonSandbox();
+
+	beforeEach( async () => {
+		editor = await VirtualTestEditor.create( {
+			plugins: [ Paragraph, ListEditing, HeadingEditing, EmptyBlock ]
+		} );
+
+		view = editor.editing.view;
+
+		// Stub `view.scrollToTheSelection` as it will fail on VirtualTestEditor without DOM.
+		sinon.stub( view, 'scrollToTheSelection' ).callsFake( () => {} );
+		stubUid();
+
+		test = setupTestHelpers( editor );
+	} );
+
+	afterEach( async () => {
+		await editor.destroy();
+	} );
+
+	it( 'inside a plain li element', () => {
+		test.data(
+			'<ul>' +
+				'<li>x</li>' +
+				'<li>&nbsp;</li>' +
+				'<li></li>' +
+			'</ul>',
+
+			'<paragraph listIndent="0" listItemId="a00" listType="bulleted">x</paragraph>' +
+			'<paragraph listIndent="0" listItemId="a01" listType="bulleted"></paragraph>' +
+			'<paragraph htmlEmptyBlock="true" listIndent="0" listItemId="a02" listType="bulleted"></paragraph>'
+		);
+	} );
+
+	it( 'inside a paragraph in a li element', () => {
+		test.data(
+			'<ul>' +
+				'<li><p>x</p></li>' +
+				'<li><p>&nbsp;</p></li>' +
+				'<li><p></p></li>' +
+			'</ul>',
+
+			'<paragraph listIndent="0" listItemId="a00" listType="bulleted">x</paragraph>' +
+			'<paragraph listIndent="0" listItemId="a01" listType="bulleted"></paragraph>' +
+			'<paragraph htmlEmptyBlock="true" listIndent="0" listItemId="a02" listType="bulleted"></paragraph>',
+
+			'<ul>' +
+				'<li>x</li>' +
+				'<li>&nbsp;</li>' +
+				'<li></li>' +
+			'</ul>'
+		);
+	} );
+
+	it( 'inside a heading in a li element', () => {
+		test.data(
+			'<ul>' +
+				'<li><h2>x</h2></li>' +
+				'<li><h2>&nbsp;</h2></li>' +
+				'<li><h2></h2></li>' +
+			'</ul>',
+
+			'<heading1 listIndent="0" listItemId="a00" listType="bulleted">x</heading1>' +
+			'<heading1 listIndent="0" listItemId="a01" listType="bulleted"></heading1>' +
+			'<heading1 htmlEmptyBlock="true" listIndent="0" listItemId="a02" listType="bulleted"></heading1>',
+
+			'<ul>' +
+				'<li><h2>x</h2></li>' +
+				'<li><h2>&nbsp;</h2></li>' +
+				'<li><h2></h2></li>' +
+			'</ul>'
+		);
+	} );
+} );