Settings editor - fix setting key formatter, add test

src/vs/workbench/parts/preferences/browser/settingsEditor2.ts

@@ -856,9 +856,9 @@ class ButtonRowRenderer implements IRenderer<IButtonRowEntry, IButtonRowTemplate
 	}
 }
 
-function settingKeyToDisplayFormat(key: string): { category: string, label: string } {
+export function settingKeyToDisplayFormat(key: string): { category: string, label: string } {
 	let label = key
-		.replace(/\.([a-z])/, (match, p1) => `.${p1.toUpperCase()}`)
+		.replace(/\.([a-z])/g, (match, p1) => `.${p1.toUpperCase()}`)
 		.replace(/([a-z])([A-Z])/g, '$1 $2') // fooBar => foo Bar
 		.replace(/^[a-z]/g, match => match.toUpperCase()); // foo => Foo
 

src/vs/workbench/parts/preferences/test/browser/settingsEditor2.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 { settingKeyToDisplayFormat } from 'vs/workbench/parts/preferences/browser/settingsEditor2';
+
+suite('SettingsEditor', () => {
+	test('settingKeyToDisplayFormat', () => {
+		assert.deepEqual(
+			settingKeyToDisplayFormat('foo.bar'),
+			{
+				category: 'Foo',
+				label: 'Bar'
+			});
+
+		assert.deepEqual(
+			settingKeyToDisplayFormat('foo.bar.etc'),
+			{
+				category: 'Foo.Bar',
+				label: 'Etc'
+			});
+
+		assert.deepEqual(
+			settingKeyToDisplayFormat('fooBar.etcSomething'),
+			{
+				category: 'Foo Bar',
+				label: 'Etc Something'
+			});
+
+		assert.deepEqual(
+			settingKeyToDisplayFormat('foo'),
+			{
+				category: '',
+				label: 'Foo'
+			});
+	});
+});
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