Refactor test setup and improve prompt generation error handling

src/test/runTest.mjs

@@ -0,0 +1,59 @@
+import { runTests } from '@vscode/test-electron';
+import * as path from 'path';
+import { fileURLToPath } from 'url';
+import * as os from 'os';
+import * as fs from 'fs';
+
+const __dirname = path.dirname(fileURLToPath(import.meta.url));
+
+async function main() {
+  try {
+    // Create a temporary test workspace
+    // Using the system temp directory instead of external volume
+    const tmpDir = os.tmpdir();
+    const testWorkspaceDir = path.join(tmpDir, `vscode-test-workspace-${Math.random().toString(36).substring(2)}`);
+    const userDataDir = path.join(tmpDir, `vscode-test-user-data-${Math.random().toString(36).substring(2)}`);
+    
+    // Ensure the test workspace directory exists
+    if (!fs.existsSync(testWorkspaceDir)) {
+      fs.mkdirSync(testWorkspaceDir, { recursive: true });
+    }
+
+    // The folder containing the Extension Manifest package.json
+    // Passed to `--extensionDevelopmentPath`
+    const extensionDevelopmentPath = path.resolve(__dirname, '../../');
+
+    // The path to the extension test script
+    // Passed to --extensionTestsPath
+    const extensionTestsPath = path.resolve(__dirname, '../../out/test');
+
+    console.log('Running tests with the following configuration:');
+    console.log(`Extension Development Path: ${extensionDevelopmentPath}`);
+    console.log(`Extension Tests Path: ${extensionTestsPath}`);
+    console.log(`Workspace Dir: ${testWorkspaceDir}`);
+    console.log(`User Data Dir: ${userDataDir}`);
+
+    // Download VS Code, unzip it and run the integration test
+    await runTests({ 
+      version: '1.98.0',  // Specify the exact version your extension is built for
+      extensionDevelopmentPath, 
+      extensionTestsPath,
+      launchArgs: [
+        testWorkspaceDir,
+        '--disable-extensions',
+        `--user-data-dir=${userDataDir}`,
+        '--skip-getting-started',
+        '--skip-release-notes',
+        '--disable-telemetry',
+        '--disable-updates',
+        '--disable-crash-reporter',
+        '--disable-workspace-trust'
+      ]
+    });
+  } catch (err) {
+    console.error('Failed to run tests', err);
+    process.exit(1);
+  }
+}
+
+main();