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suixinkanTests/HomeViewModelTests.swift

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+//
+//  HomeViewModelTests.swift
+//  suixinkanTests
+//
+//  Created by Codex on 2026/6/22.
+//
+
+import XCTest
+@testable import suixinkan
+
+@MainActor
+/// 首页 ViewModel 测试，覆盖权限菜单构建、排序和去重。
+final class HomeViewModelTests: XCTestCase {
+    /// 测试当前角色缺失时清空菜单，不回退到其他角色。
+    func testBuildMenusClearsStaleMenusWhenCurrentRoleIsMissing() {
+        let viewModel = HomeViewModel()
+        let permissions = [
+            rolePermission(roleId: 1, permissions: [
+                permission(id: 1, name: "消息中心", uri: "message_center")
+            ])
+        ]
+
+        viewModel.buildMenus(from: permissions, currentRoleId: 1)
+        XCTAssertEqual(viewModel.menuItems.map(\.uri), ["message_center"])
+
+        viewModel.buildMenus(from: permissions, currentRoleId: 99)
+
+        XCTAssertTrue(viewModel.menuItems.isEmpty)
+    }
+
+    /// 测试当前角色为空时才回退到第一个角色。
+    func testBuildMenusFallsBackToFirstRoleOnlyWhenCurrentRoleIsNil() {
+        let viewModel = HomeViewModel()
+        let permissions = [
+            rolePermission(roleId: 1, permissions: [
+                permission(id: 1, name: "任务管理", uri: "task_management")
+            ]),
+            rolePermission(roleId: 2, permissions: [
+                permission(id: 2, name: "消息中心", uri: "message_center")
+            ])
+        ]
+
+        viewModel.buildMenus(from: permissions, currentRoleId: nil)
+
+        XCTAssertEqual(viewModel.menuItems.map(\.uri), ["task_management"])
+    }
+
+    /// 测试权限树会递归展开为菜单。
+    func testBuildMenusFlattensPermissionTree() {
+        let viewModel = HomeViewModel()
+        let permissions = [
+            rolePermission(roleId: 1, permissions: [
+                permission(id: 1, name: "任务管理", uri: "task_management", children: [
+                    permission(id: 2, name: "消息中心", uri: "message_center")
+                ])
+            ])
+        ]
+
+        viewModel.buildMenus(from: permissions, currentRoleId: 1)
+
+        XCTAssertEqual(viewModel.menuItems.map(\.uri), ["task_management", "message_center"])
+    }
+
+    /// 测试同义 URI 会去重，只保留首次出现的菜单。
+    func testBuildMenusDeduplicatesKnownAndroidAliases() {
+        let viewModel = HomeViewModel()
+        let permissions = [
+            rolePermission(roleId: 1, permissions: [
+                permission(id: 1, name: "项目管理", uri: "pm_manager"),
+                permission(id: 2, name: "项目管理旧入口", uri: "pm"),
+                permission(id: 3, name: "收款码", uri: "payment_code"),
+                permission(id: 4, name: "收款码旧入口", uri: "payment_qr"),
+                permission(id: 5, name: "押金订单详情", uri: "deposit_order_detail"),
+                permission(id: 6, name: "押金订单", uri: "deposit_order")
+            ])
+        ]
+
+        viewModel.buildMenus(from: permissions, currentRoleId: 1)
+
+        XCTAssertEqual(viewModel.menuItems.map(\.uri), ["deposit_order_detail", "pm_manager", "payment_code"])
+    }
+
+    /// 测试菜单按旧工程 preferred order 排序。
+    func testBuildMenusSortsByPreferredOrder() {
+        let viewModel = HomeViewModel()
+        let permissions = [
+            rolePermission(roleId: 1, permissions: [
+                permission(id: 1, name: "消息中心", uri: "message_center"),
+                permission(id: 2, name: "空间设置", uri: "space_settings"),
+                permission(id: 3, name: "钱包", uri: "wallet")
+            ])
+        ]
+
+        viewModel.buildMenus(from: permissions, currentRoleId: 1)
+
+        XCTAssertEqual(viewModel.menuItems.map(\.uri), ["space_settings", "wallet", "message_center"])
+    }
+
+    /// 创建角色权限测试实体。
+    private func rolePermission(roleId: Int, permissions: [PermissionItem]) -> RolePermissionResponse {
+        RolePermissionResponse(
+            role: RoleInfo(id: roleId, name: "角色\(roleId)", permission: permissions),
+            scenic: []
+        )
+    }
+
+    /// 创建权限节点测试实体。
+    private func permission(id: Int, name: String, uri: String, children: [PermissionItem] = []) -> PermissionItem {
+        PermissionItem(id: id, name: name, uri: uri, children: children)
+    }
+}