From 2315883b1f1f2c3befbc67815d703e1817a54f38 Mon Sep 17 00:00:00 2001
From: Linghong <ink29535@proton.me>
Date: Mon, 14 Sep 2026 05:56:28 +0000
Subject: [PATCH] =?UTF-8?q?=E4=BF=AE=E6=AD=A3=20sccache=20=E6=B5=8B?=
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为启用 sccache 的用例补充 Windows platform mock

确保 POSIX 环境下测试不会误走 env wrapper 分支
---
 scripts/dev.test.ts | 31 +++++++++++++++++++++++--------
 1 file changed, 23 insertions(+), 8 deletions(-)

diff --git a/scripts/dev.test.ts b/scripts/dev.test.ts
index 884e2fa72..4bf5cc82d 100644
--- a/scripts/dev.test.ts
+++ b/scripts/dev.test.ts
@@ -658,16 +658,31 @@ describe('dev scheduler local worker cleanup', () => {
 
 describe('dev scheduler Rust build env', () => {
   test('local dev Rust env enables available sccache wrapper', () => {
-    const env = buildLocalRustProcessEnv(
-      {
-        RUSTC_WRAPPER: '/usr/bin/sccache',
-        CARGO_BUILD_RUSTC_WRAPPER: 'sccache',
-      },
-      { log: false, sccacheAvailable: true },
+    const originalPlatform = Object.getOwnPropertyDescriptor(
+      process,
+      'platform',
     );
+    Object.defineProperty(process, 'platform', {
+      configurable: true,
+      value: 'win32',
+    });
 
-    expect(env.RUSTC_WRAPPER).toBe('sccache');
-    expect(env.CARGO_BUILD_RUSTC_WRAPPER).toBe(env.RUSTC_WRAPPER);
+    try {
+      const env = buildLocalRustProcessEnv(
+        {
+          RUSTC_WRAPPER: '/usr/bin/sccache',
+          CARGO_BUILD_RUSTC_WRAPPER: 'sccache',
+        },
+        { log: false, sccacheAvailable: true },
+      );
+
+      expect(env.RUSTC_WRAPPER).toBe('sccache');
+      expect(env.CARGO_BUILD_RUSTC_WRAPPER).toBe(env.RUSTC_WRAPPER);
+    } finally {
+      if (originalPlatform) {
+        Object.defineProperty(process, 'platform', originalPlatform);
+      }
+    }
   });
 
   test('local dev Rust env keeps healthy custom wrapper untouched', () => {