add test framework traits for #cpp

Author: lukka

Extension/src/LanguageServer/client.ts

@@ -554,7 +554,7 @@ export interface ChatContextResult {
     compiler: string;
     targetPlatform: string;
     targetArchitecture: string;
-    testFrameworks: string[];
+    usedTestFrameworks: string[];
 }
 
 interface FolderFilesEncodingChanged {

Extension/src/LanguageServer/lmTool.ts

@@ -168,9 +168,9 @@ export class CppConfigurationLanguageModelTool implements vscode.LanguageModelTo
                 contextString += `The project targets the ${chatContext.targetArchitecture} architecture. `;
                 telemetryProperties["targetArchitecture"] = chatContext.targetArchitecture;
             }
-            if (chatContext.testFrameworks) {
-                contextString += `The project uses the following C++ test frameworks: ${chatContext.testFrameworks.join(', ')} . `;
-                telemetryProperties["testFrameworks"] = chatContext.testFrameworks.join(',');
+            if (chatContext.usedTestFrameworks?.length > 0) {
+                contextString += `The active document contains the content of the file '${currentDoc.fileName}' which is located in a directory structure where other files are including headers for the following C++ test frameworks: ${chatContext.usedTestFrameworks.join(', ')} . `;
+                telemetryProperties["testFrameworks"] = chatContext.usedTestFrameworks.join(',');
             }
             return contextString;
         }

Extension/test/scenarios/SingleRootProject/tests/lmTool.test.ts

@@ -146,7 +146,7 @@ describe('CppConfigurationLanguageModelTool Tests', () => {
                 compiler: 'msvc',
                 targetPlatform: 'windows',
                 targetArchitecture: 'x64',
-                testFrameworks: ['gtest', 'catch2']
+                usedTestFrameworks: ['gtest', 'catch2']
             }
         });
 
@@ -164,7 +164,8 @@ describe('CppConfigurationLanguageModelTool Tests', () => {
         ok(result, 'result should not be undefined');
         const text = result.content[0] as vscode.LanguageModelTextPart;
         ok(text, 'result should contain a text part');
-        ok(text.value === 'The user is working on a C++ project. The project uses language version C++20. The project compiles using the MSVC compiler. The project targets the Windows platform. The project targets the x64 architecture. The project uses the following C++ test frameworks: gtest, catch2 .');
+        const traits_text = `The user is working on a C++ project. The project uses language version C++20. The project compiles using the MSVC compiler. The project targets the Windows platform. The project targets the x64 architecture. The active document contains the content of the file 'undefined' which is located in a directory structure where other files are including headers for the following C++ test frameworks: gtest, catch2 . `;
+        ok(text.value === traits_text);
     });
 
     const testGetProjectContext = async ({