fix(windows): stabilize test environment (#644)

* fix(windows): embed common-controls manifest

* fix(windows): prefer HOME for config paths

* test(windows): fix export_sql invalid path

* fix(windows): remove unused env import in config.rs

src-tauri/build.rs

@@ -1,3 +1,18 @@
 fn main() {
-    tauri_build::build()
+    tauri_build::build();
+
+    #[cfg(target_os = "windows")]
+    {
+        let manifest_path = std::path::PathBuf::from(
+            std::env::var("CARGO_MANIFEST_DIR").expect("missing CARGO_MANIFEST_DIR"),
+        )
+        .join("common-controls.manifest");
+        let manifest_arg = format!("/MANIFESTINPUT:{}", manifest_path.display());
+
+        println!("cargo:rustc-link-arg=/MANIFEST:EMBED");
+        println!("cargo:rustc-link-arg={}", manifest_arg);
+        // Avoid duplicate manifest resources in binary builds.
+        println!("cargo:rustc-link-arg-bins=/MANIFEST:NO");
+        println!("cargo:rerun-if-changed={}", manifest_path.display());
+    }
 }

src-tauri/common-controls.manifest

@@ -0,0 +1,13 @@
+<?xml version="1.0" encoding="UTF-8" standalone="yes"?>
+<assembly xmlns="urn:schemas-microsoft-com:asm.v1" manifestVersion="1.0">
+  <dependency>
+    <dependentAssembly>
+      <assemblyIdentity type="win32"
+        name="Microsoft.Windows.Common-Controls"
+        version="6.0.0.0"
+        processorArchitecture="*"
+        publicKeyToken="6595b64144ccf1df"
+        language="*"/>
+    </dependentAssembly>
+  </dependency>
+</assembly>

src-tauri/src/codex_config.rs

@@ -11,6 +11,13 @@ use std::path::Path;
 
 /// 获取用户主目录，带回退和日志
 fn get_home_dir() -> PathBuf {
+    #[cfg(windows)]
+    if let Ok(home) = std::env::var("HOME") {
+        let trimmed = home.trim();
+        if !trimmed.is_empty() {
+            return PathBuf::from(trimmed);
+        }
+    }
     dirs::home_dir().unwrap_or_else(|| {
         log::warn!("无法获取用户主目录，回退到当前目录");
         PathBuf::from(".")

src-tauri/src/config.rs

@@ -7,6 +7,13 @@ use crate::error::AppError;
 
 /// 获取用户主目录，带回退和日志
 fn get_home_dir() -> PathBuf {
+    #[cfg(windows)]
+    if let Ok(home) = std::env::var("HOME") {
+        let trimmed = home.trim();
+        if !trimmed.is_empty() {
+            return PathBuf::from(trimmed);
+        }
+    }
     dirs::home_dir().unwrap_or_else(|| {
         log::warn!("无法获取用户主目录，回退到当前目录");
         PathBuf::from(".")
@@ -71,10 +78,7 @@ pub fn get_app_config_dir() -> PathBuf {
     if let Some(custom) = crate::app_store::get_app_config_dir_override() {
         return custom;
     }
-
-    dirs::home_dir()
-        .expect("无法获取用户主目录")
-        .join(".cc-switch")
+    get_home_dir().join(".cc-switch")
 }
 
 /// 获取应用配置文件路径

src-tauri/src/gemini_config.rs

@@ -7,6 +7,13 @@ use std::path::PathBuf;
 
 /// 获取用户主目录，带回退和日志
 fn get_home_dir() -> PathBuf {
+    #[cfg(windows)]
+    if let Ok(home) = std::env::var("HOME") {
+        let trimmed = home.trim();
+        if !trimmed.is_empty() {
+            return PathBuf::from(trimmed);
+        }
+    }
     dirs::home_dir().unwrap_or_else(|| {
         log::warn!("无法获取用户主目录，回退到当前目录");
         PathBuf::from(".")

src-tauri/src/settings.rs

@@ -154,6 +154,17 @@ impl Default for AppSettings {
 impl AppSettings {
     fn settings_path() -> Option<PathBuf> {
         // settings.json 保留用于旧版本迁移和无数据库场景
+        #[cfg(windows)]
+        if let Ok(home) = std::env::var("HOME") {
+            let trimmed = home.trim();
+            if !trimmed.is_empty() {
+                return Some(
+                    PathBuf::from(trimmed)
+                        .join(".cc-switch")
+                        .join("settings.json"),
+                );
+            }
+        }
         dirs::home_dir().map(|h| h.join(".cc-switch").join("settings.json"))
     }
 

src-tauri/tests/import_export_sync.rs

@@ -971,12 +971,18 @@ fn export_sql_returns_error_for_invalid_path() {
 
     let state = create_test_state().expect("create test state");
 
-    // Try to export to an invalid path (parent directory doesn't exist)
-    let invalid_path = PathBuf::from("/nonexistent/directory/export.sql");
+    // Try to export to an invalid path (nonexistent parent or invalid name on Windows)
+    let invalid_parent = if cfg!(windows) {
+        std::env::temp_dir().join("cc-switch-test-invalid<>dir")
+    } else {
+        PathBuf::from("/nonexistent/directory")
+    };
+    let invalid_path = invalid_parent.join("export.sql");
     let err = state
         .db
         .export_sql(&invalid_path)
         .expect_err("export to invalid path should fail");
+    let invalid_prefix = invalid_parent.to_string_lossy();
 
     // The error can be either IoContext or Io depending on where it fails
     match err {
@@ -988,8 +994,8 @@ fn export_sql_returns_error_for_invalid_path() {
         }
         AppError::Io { path, .. } => {
             assert!(
-                path.starts_with("/nonexistent"),
-                "expected error for /nonexistent path, got: {path:?}"
+                path.starts_with(invalid_prefix.as_ref()),
+                "expected error for {invalid_parent:?}, got: {path:?}"
             );
         }
         other => panic!("expected IoContext or Io error, got {other:?}"),