Merge from vscode 6e530127a1bb8ffbd1bfb77dc680c321dc0d71f5 (#6844)

extensions/markdown-language-features/src/test/engine.test.ts

@@ -0,0 +1,32 @@
+/*---------------------------------------------------------------------------------------------
+ *  Copyright (c) Microsoft Corporation. All rights reserved.
+ *  Licensed under the Source EULA. See License.txt in the project root for license information.
+ *--------------------------------------------------------------------------------------------*/
+
+import * as assert from 'assert';
+import * as vscode from 'vscode';
+import 'mocha';
+
+import { InMemoryDocument } from './inMemoryDocument';
+import { createNewMarkdownEngine } from './engine';
+
+const testFileName = vscode.Uri.file('test.md');
+
+suite('markdown.engine', () => {
+	suite('rendering', () => {
+		const input = '# hello\n\nworld!';
+		const output = '<h1 id="hello" data-line="0" class="code-line">hello</h1>\n'
+			+ '<p data-line="2" class="code-line">world!</p>\n';
+
+		test('Renders a document', async () => {
+			const doc = new InMemoryDocument(testFileName, input);
+			const engine = createNewMarkdownEngine();
+			assert.strictEqual(await engine.render(doc), output);
+		});
+
+		test('Renders a string', async () => {
+			const engine = createNewMarkdownEngine();
+			assert.strictEqual(await engine.render(input), output);
+		});
+	});
+});