✅ test(files): improve file upload policy test coverage

- 移除未使用的File实体导入
- 移除未使用的minio.service模拟
- 移除未使用的mockFileService变量声明
- 添加更精确的createFile模拟函数以验证调用参数
- 验证createFile是否使用正确参数调用，包括uploadTime和uploadUserId

src/server/api/files/__tests__/files.integration.test.ts

@@ -1,18 +1,15 @@
 import { describe, it, expect, beforeEach, vi, afterEach } from 'vitest';
 import { testClient } from 'hono/testing';
 import { DataSource } from 'typeorm';
-import { File } from '@/server/modules/files/file.entity';
 import { FileService } from '@/server/modules/files/file.service';
 import { authMiddleware } from '@/server/middleware/auth.middleware';
 import { fileApiRoutes } from '@/server/api';
 
 vi.mock('@/server/modules/files/file.service');
-// vi.mock('@/server/modules/files/minio.service');
 vi.mock('@/server/middleware/auth.middleware');
 
 describe('File API Integration Tests', () => {
   let client: ReturnType<typeof testClient<typeof fileApiRoutes>>['api']['v1'];
-  // let mockFileService: FileService;
   let mockDataSource: DataSource;
   const user1 = {
     id: 1,
@@ -91,8 +88,9 @@ describe('File API Integration Tests', () => {
       };
 
 
+      const mockCreateFile = vi.fn().mockResolvedValue(mockResponse);
       vi.mocked(FileService).mockImplementation(() => ({
-        createFile: vi.fn().mockResolvedValue(mockResponse)
+        createFile: mockCreateFile
       } as unknown as FileService));
       const response = await client.files['upload-policy'].$post({
         json: mockFileData
@@ -111,7 +109,11 @@ describe('File API Integration Tests', () => {
       expect(response.status).toBe(200);
       const result = await response.json();
       expect(result).toEqual(mockResponse);
-      // expect(mockFileService.createFile).toHaveBeenCalledWith(mockFileData);
+      expect(mockCreateFile).toHaveBeenCalledWith({
+        ...mockFileData,
+        uploadTime: expect.any(Date),
+        uploadUserId: 1
+      });
     });
 
     // it('should return 400 for invalid request data', async () => {