测试: 添加最近访问API测试

tests/backend/recent.test.js

@@ -0,0 +1,41 @@
+// 最近访问 API 测试
+const request = require('supertest');
+const app = require('../../backend/src/index');
+
+describe('Recent API', () => {
+  let token;
+
+  beforeAll(async () => {
+    const loginRes = await request(app)
+      .post('/api/auth/login')
+      .send({ username: 'testuser', password: 'test123' });
+    token = loginRes.body.token;
+  });
+
+  describe('GET /api/recent', () => {
+    it('should get recently accessed files', async () => {
+      const response = await request(app)
+        .get('/api/recent')
+        .set('Authorization', `Bearer ${token}`);
+      
+      expect(response.status).toBe(200);
+      expect(response.body).toHaveProperty('files');
+    });
+
+    it('should respect limit parameter', async () => {
+      const response = await request(app)
+        .get('/api/recent?limit=5')
+        .set('Authorization', `Bearer ${token}`);
+      
+      expect(response.status).toBe(200);
+      expect(response.body.files.length).toBeLessThanOrEqual(5);
+    });
+
+    it('should reject without token', async () => {
+      const response = await request(app)
+        .get('/api/recent');
+      
+      expect(response.status).toBe(401);
+    });
+  });
+});