add unit tests for unquoted tool names

Author: legomushroom

src/vs/editor/test/common/codecs/frontMatterDecoder/frontMatterDecoder.test.ts

@@ -358,7 +358,6 @@ suite('FrontMatterDecoder', () => {
 						]);
 				});
 
-
 				test('• redundant commas', async () => {
 					const test = disposables.add(new TestFrontMatterDecoder());
 

src/vs/workbench/contrib/chat/test/common/promptSyntax/parsers/textModelPromptParser.test.ts

@@ -556,6 +556,38 @@ suite('TextModelPromptParser', () => {
 				]);
 			});
 
+			suite('• tools metadata', () => {
+				test('• tool names can be quoted and non-quoted string', async () => {
+					const test = createTest(
+						URI.file('/absolute/folder/and/a/my.prompt.md'),
+						[
+					/* 01 */"---",
+					/* 02 */"tools: [tool1, 'tool2', \"tool3\", tool-4]",
+					/* 03 */"---",
+					/* 04 */"The cactus on my desk has a thriving Instagram account.",
+						],
+						PROMPT_LANGUAGE_ID,
+					);
+
+					await test.allSettled();
+
+					const { header, metadata } = test.parser;
+					assertDefined(
+						header,
+						'Prompt header must be defined.',
+					);
+
+					const { tools } = metadata;
+					assert.deepStrictEqual(
+						tools,
+						['tool1', 'tool2', 'tool3', 'tool-4'],
+						'Mode metadata must have correct value.',
+					);
+
+					await test.validateHeaderDiagnostics([]);
+				});
+			});
+
 			suite('• applyTo metadata', () => {
 				suite('• language', () => {
 					test('• prompt', async () => {