Use temporary shorter path for vscode user data dir

Author: manandre

vscode-testextension/package-lock.json

@@ -55,6 +55,7 @@
         "glob": "^10.3.10",
         "mocha": "^10.2.0",
         "source-map-support": "^0.5.21",
+        "tmp-promise": "^3.0.3",
         "typescript": "^5.2.2"
     },
     "dependencies": {

vscode-testextension/package.json

@@ -1,4 +1,5 @@
 import * as path from 'path';
+import * as tmp from 'tmp-promise';
 
 import { runTests } from '@vscode/test-electron';
 
@@ -12,10 +13,25 @@ async function main() {
 		// Passed to --extensionTestsPath
 		const extensionTestsPath = path.resolve(__dirname, './suite/index');
 
-		// Download VS Code, unzip it and run the integration test
-		await runTests({ extensionDevelopmentPath, extensionTestsPath });
+		// The path to  the user data directory used by vscode
+		// As the default one is too long (> 103 characters) on some CI setups, forcing it to a temporary and hopefully shorter one.
+		const userDataDir = await tmp.dir({ unsafeCleanup: true });
+
+		try {
+			// Download VS Code, unzip it and run the integration test
+			await runTests({
+				extensionDevelopmentPath,
+				extensionTestsPath,
+				launchArgs: ["--user-data-dir", userDataDir.path]
+			});
+		}
+		finally
+		{
+			await userDataDir.cleanup();
+		}
 	} catch (err) {
 		console.error('Failed to run tests');
+		console.error(err);
 		process.exit(1);
 	}
 }