Add tests for TerminalPanel.preparePathForTerminal

Fixes #27771

src/vs/workbench/parts/terminal/electron-browser/terminalPanel.ts

@@ -246,7 +246,7 @@ export class TerminalPanel extends Panel {
 				}
 
 				const terminal = this._terminalService.getActiveInstance();
-				terminal.sendText(this._preparePathForTerminal(uri), false);
+				terminal.sendText(TerminalPanel.preparePathForTerminal(uri), false);
 			}
 		}));
 	}
@@ -327,7 +327,7 @@ export class TerminalPanel extends Panel {
 	/**
 	 * Adds quotes to a path if it contains whitespaces
 	 */
-	private _preparePathForTerminal(path: string) {
+	public static preparePathForTerminal(path: string): string {
 		if (platform.isWindows) {
 			if (/\s+/.test(path)) {
 				return `"${path}"`;

src/vs/workbench/parts/terminal/test/electron-browser/terminalPanel.test.ts

+/*---------------------------------------------------------------------------------------------
+ *  Copyright (c) Microsoft Corporation. All rights reserved.
+ *  Licensed under the MIT License. See License.txt in the project root for license information.
+ *--------------------------------------------------------------------------------------------*/
+
+'use strict';
+
+import * as assert from 'assert';
+import { TerminalPanel } from 'vs/workbench/parts/terminal/electron-browser/terminalPanel';
+import * as platform from 'vs/base/common/platform';
+
+suite('Workbench - TerminalPanel', () => {
+	test('preparePathForTerminal', function () {
+		if (platform.isWindows) {
+			assert.equal(TerminalPanel.preparePathForTerminal('C:\\foo'), 'C:\\foo');
+			assert.equal(TerminalPanel.preparePathForTerminal('C:\\foo bar'), '"C:\\foo bar"');
+			return;
+		}
+		assert.equal(TerminalPanel.preparePathForTerminal('/a/\\foo bar"\'? ;\'??  :'), '/a/\\\\foo\\ bar\\"\\\'\\?\\ \\;\\\'\\?\\?\\ \\ \\:');
+		assert.equal(TerminalPanel.preparePathForTerminal('/\\\'"?:;!*(){}[]'), '/\\\\\\\'\\"\\?\\:\\;\\!\\*\\(\\)\\{\\}\\[\\]');
+	});
+});
\ No newline at end of file