Refactor proxy routing and session management

apps/windows-client/src-tauri/tests/component_detection_tests.rs

@@ -4,7 +4,8 @@ mod component_detection;
 mod models;
 
 use component_detection::{
-    detect_proxyfier_install_with_host, proxyfier_component_from_detection, ProxyfierDetectionHost,
+    detect_proxyfier_install_with_host, detect_singbox_install_with_host,
+    proxyfier_component_from_detection, singbox_component_from_detection, ProxyfierDetectionHost,
     ProxyfierEngine, RegistryInstallEntry,
 };
 use models::ComponentState;
@@ -74,6 +75,66 @@ fn missing_proxyfier_returns_install_action_status() {
     assert_eq!(component.actions, vec!["Установить ProxiFyre"]);
 }
 
+#[test]
+fn detects_running_local_singbox_from_default_install_root_and_service() {
+    let host = MockHost::new()
+        .with_path(r"C:\Program Files\VpnProxy\sing-box\sing-box.exe")
+        .with_service("VpnProxySingBox");
+
+    let detected =
+        detect_singbox_install_with_host(&host).expect("existing sing-box should be detected");
+
+    assert_eq!(
+        detected.executable_path,
+        PathBuf::from(r"C:\Program Files\VpnProxy\sing-box\sing-box.exe")
+    );
+    assert_eq!(detected.service_name, "VpnProxySingBox");
+    assert!(detected.running);
+
+    let component = singbox_component_from_detection(Some(&detected));
+    assert_eq!(component.state, ComponentState::Running);
+    assert!(component.installed);
+    assert!(component.running);
+    assert_eq!(
+        component.path,
+        Some(r"C:\Program Files\VpnProxy\sing-box\sing-box.exe".to_string())
+    );
+    assert!(component.problems.is_empty());
+}
+
+#[test]
+fn detects_stopped_local_singbox_from_env_override() {
+    let host = MockHost::new()
+        .with_env("VPN_PROXY_SINGBOX_ROOT", r"D:\Portable\sing-box")
+        .with_path(r"D:\Portable\sing-box\sing-box.exe");
+
+    let detected = detect_singbox_install_with_host(&host).expect("env override should be checked");
+    let component = singbox_component_from_detection(Some(&detected));
+
+    assert_eq!(
+        detected.executable_path,
+        PathBuf::from(r"D:\Portable\sing-box\sing-box.exe")
+    );
+    assert_eq!(component.state, ComponentState::Stopped);
+    assert!(component.installed);
+    assert!(!component.running);
+    assert!(component
+        .problems
+        .iter()
+        .any(|problem| problem.contains("остановлена")));
+}
+
+#[test]
+fn missing_local_singbox_returns_optional_install_action_status() {
+    let component = singbox_component_from_detection(None);
+
+    assert_eq!(component.state, ComponentState::Missing);
+    assert!(!component.installed);
+    assert!(!component.running);
+    assert_eq!(component.actions, vec!["Установить Local sing-box"]);
+    assert!(component.problems.is_empty());
+}
+
 #[derive(Default)]
 struct MockHost {
     env: HashMap<String, String>,