Add cleanup mechanism for temporary directories in e2e tests

Introduce a global cleanup function to ensure temporary directories created during e2e tests are removed. This change prevents orphaned directories by handling cleanup on both process exit and individual test completions.

Author: cod1k

dev-packages/e2e-tests/run.ts

@@ -41,6 +41,16 @@ async function run(): Promise<void> {
   // Load environment variables from .env file locally
   dotenv.config();
 
+  const tempDirs = new Set<string>();
+  const cleanup = async (): Promise<void> => {
+    if (tempDirs.size > 0) {
+      for (const dir of tempDirs) {
+        await rm(dir, { recursive: true });
+      }
+    }
+  }
+  process.on('exit', cleanup);
+
   // Allow to run a single app only via `yarn test:run <app-name>`
   const appName = process.argv[2] || '';
 
@@ -78,22 +88,28 @@ async function run(): Promise<void> {
     for (const testAppPath of testAppPaths) {
       const originalPath = resolve('test-applications', testAppPath);
       const tmpDirPath = await mkdtemp(join(tmpdir(), `sentry-e2e-tests-${appName}-`));
+      tempDirs.add(tmpDirPath);
 
-      await copyToTemp(originalPath, tmpDirPath);
-      const cwd = tmpDirPath;
-
-      console.log(`Building ${testAppPath} in ${tmpDirPath}...`);
-      await asyncExec('pnpm test:build', { env, cwd });
+      try {
+        await copyToTemp(originalPath, tmpDirPath);
+        const cwd = tmpDirPath;
 
-      console.log(`Testing ${testAppPath}...`);
-      await asyncExec('pnpm test:assert', { env, cwd });
+        console.log(`Building ${testAppPath} in ${tmpDirPath}...`);
+        await asyncExec('pnpm test:build', { env, cwd });
 
-      // clean up (although this is tmp, still nice to do)
-      await rm(tmpDirPath, { recursive: true });
+        console.log(`Testing ${testAppPath}...`);
+        await asyncExec('pnpm test:assert', { env, cwd });
+      } finally {
+        // clean up (although this is tmp, still nice to do)
+        await rm(tmpDirPath, { recursive: true });
+        tempDirs.delete(tmpDirPath);
+      }
     }
   } catch (error) {
     console.error(error);
     process.exit(1);
+  } finally {
+    await cleanup();
   }
 }