test(core): reuse shared temp dir helpers in utils tests

src/utils.test.ts

@@ -1,7 +1,7 @@
 import fs from "node:fs";
-import os from "node:os";
 import path from "node:path";
 import { describe, expect, it, vi } from "vitest";
+import { withTempDir, withTempDirSync } from "./test-helpers/temp-dir.js";
 import {
   ensureDir,
   resolveConfigDir,
@@ -12,21 +12,9 @@ import {
   sleep,
 } from "./utils.js";
 
-async function withTempDir<T>(
-  prefix: string,
-  run: (dir: string) => T | Promise<T>,
-): Promise<Awaited<T>> {
-  const dir = fs.mkdtempSync(path.join(os.tmpdir(), prefix));
-  try {
-    return await run(dir);
-  } finally {
-    fs.rmSync(dir, { recursive: true, force: true });
-  }
-}
-
 describe("ensureDir", () => {
   it("creates nested directory", async () => {
-    await withTempDir("openclaw-test-", async (tmp) => {
+    await withTempDir({ prefix: "openclaw-test-" }, async (tmp) => {
       const target = path.join(tmp, "nested", "dir");
       await ensureDir(target);
       expect(fs.existsSync(target)).toBe(true);
@@ -46,15 +34,12 @@ describe("sleep", () => {
 
 describe("resolveConfigDir", () => {
   it("prefers ~/.openclaw when legacy dir is missing", async () => {
-    const root = await fs.promises.mkdtemp(path.join(os.tmpdir(), "openclaw-config-dir-"));
-    try {
+    await withTempDirSync({ prefix: "openclaw-config-dir-" }, async (root) => {
       const newDir = path.join(root, ".openclaw");
       await fs.promises.mkdir(newDir, { recursive: true });
       const resolved = resolveConfigDir({} as NodeJS.ProcessEnv, () => root);
       expect(resolved).toBe(newDir);
-    } finally {
-      await fs.promises.rm(root, { recursive: true, force: true });
-    }
+    });
   });
 
   it("expands OPENCLAW_STATE_DIR using the provided env", () => {