feat: 项目结构重构优化

tests/unit/composables/useDictSync.test.ts

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+import { describe, it, expect, beforeEach, vi } from "vitest";
+import { useDictSync } from "@/composables/websocket/useDictSync";
+import { useDictStore } from "@/store/modules/dict";
+import { setActivePinia, createPinia } from "pinia";
+
+// Mock useStomp
+vi.mock("@/composables/websocket/useStomp", () => ({
+  useStomp: vi.fn(() => ({
+    isConnected: ref(false),
+    connect: vi.fn(),
+    disconnect: vi.fn(),
+    subscribe: vi.fn(() => "sub-id"),
+    unsubscribe: vi.fn(),
+  })),
+}));
+
+describe("useDictSync", () => {
+  beforeEach(() => {
+    setActivePinia(createPinia());
+    localStorage.clear();
+    vi.clearAllMocks();
+  });
+
+  describe("初始化", () => {
+    it("应该创建字典同步实例", () => {
+      const dictSync = useDictSync();
+      expect(dictSync).toBeDefined();
+      expect(dictSync.initialize).toBeDefined();
+      expect(dictSync.cleanup).toBeDefined();
+    });
+
+    it("应该初始化 WebSocket 连接", () => {
+      const dictSync = useDictSync();
+      dictSync.initialize();
+      // 验证初始化逻辑（具体实现取决于 useDictSync 的内部逻辑）
+      expect(dictSync).toBeDefined();
+    });
+  });
+
+  describe("清理", () => {
+    it("应该清理 WebSocket 连接", () => {
+      const dictSync = useDictSync();
+      dictSync.initialize();
+      dictSync.cleanup();
+      // 验证清理逻辑
+      expect(dictSync).toBeDefined();
+    });
+  });
+
+  describe("字典同步", () => {
+    it("应该处理字典更新消息", () => {
+      const dictSync = useDictSync();
+      const dictStore = useDictStore();
+
+      dictSync.initialize();
+
+      // 模拟接收字典更新消息
+      // 注意：这里需要根据实际的消息格式来测试
+      expect(dictStore).toBeDefined();
+    });
+  });
+});

tests/unit/composables/useTableSelection.test.ts

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+import { describe, it, expect, beforeEach } from "vitest";
+import { useTableSelection } from "@/composables/table/useTableSelection";
+
+describe("useTableSelection", () => {
+  let selection: ReturnType<typeof useTableSelection>;
+
+  beforeEach(() => {
+    selection = useTableSelection();
+  });
+
+  it("应该初始化为空数组", () => {
+    expect(selection.selectedIds.value).toEqual([]);
+    expect(selection.selectedRows.value).toEqual([]);
+  });
+
+  describe("handleSelectionChange()", () => {
+    it("应该更新选中的行", () => {
+      const rows = [
+        { id: 1, name: "张三" },
+        { id: 2, name: "李四" },
+      ];
+
+      selection.handleSelectionChange(rows);
+
+      expect(selection.selectedRows.value).toEqual(rows);
+      expect(selection.selectedIds.value).toEqual([1, 2]);
+    });
+
+    it("应该处理空数组", () => {
+      selection.handleSelectionChange([]);
+
+      expect(selection.selectedRows.value).toEqual([]);
+      expect(selection.selectedIds.value).toEqual([]);
+    });
+
+    it("应该支持自定义 ID 字段", () => {
+      const customSelection = useTableSelection("userId");
+      const rows = [
+        { userId: "u1", name: "张三" },
+        { userId: "u2", name: "李四" },
+      ];
+
+      customSelection.handleSelectionChange(rows);
+
+      expect(customSelection.selectedIds.value).toEqual(["u1", "u2"]);
+    });
+  });
+
+  describe("clearSelection()", () => {
+    it("应该清空选中项", () => {
+      const rows = [{ id: 1, name: "张三" }];
+      selection.handleSelectionChange(rows);
+
+      selection.clearSelection();
+
+      expect(selection.selectedIds.value).toEqual([]);
+      expect(selection.selectedRows.value).toEqual([]);
+    });
+  });
+
+  describe("hasSelection", () => {
+    it("有选中项时应该返回 true", () => {
+      const rows = [{ id: 1, name: "张三" }];
+      selection.handleSelectionChange(rows);
+
+      expect(selection.hasSelection.value).toBe(true);
+    });
+
+    it("无选中项时应该返回 false", () => {
+      expect(selection.hasSelection.value).toBe(false);
+    });
+  });
+
+  describe("selectionCount", () => {
+    it("应该返回选中项数量", () => {
+      expect(selection.selectionCount.value).toBe(0);
+
+      const rows = [
+        { id: 1, name: "张三" },
+        { id: 2, name: "李四" },
+        { id: 3, name: "王五" },
+      ];
+      selection.handleSelectionChange(rows);
+
+      expect(selection.selectionCount.value).toBe(3);
+    });
+  });
+});