feat: 重构测试框架并优化代码结构

refactor(tests): 将e2e_tests迁移到tests_suite和api_integration_tests
style: 为Java类添加文档注释
docs: 更新.gitignore和配置文件
test: 添加性能测试和Playwright测试脚本
chore: 清理旧测试文件和配置

api_integration_tests/tests/test_auth.py

@@ -0,0 +1,78 @@
+"""
+认证测试用例
+"""
+
+import pytest
+from api.auth_api import AuthAPI
+from config.settings import settings
+
+
+@pytest.mark.auth
+@pytest.mark.smoke
+class TestAuth:
+    """认证测试类"""
+    
+    @pytest.mark.asyncio
+    async def test_login_success(self, http_client):
+        """测试成功登录"""
+        auth_api = AuthAPI(http_client)
+        response = await auth_api.login(settings.TEST_USERNAME, settings.TEST_PASSWORD)
+        
+        assert response.status_code == 200
+        data = response.json()
+        assert "token" in data
+        assert isinstance(data["token"], str)
+        assert "userId" in data
+        assert "username" in data
+    
+    @pytest.mark.asyncio
+    async def test_login_invalid_credentials(self, http_client):
+        """测试无效凭证登录"""
+        auth_api = AuthAPI(http_client)
+        response = await auth_api.login("invalid_user", "invalid_password")
+        
+        assert response.status_code == 401
+    
+    @pytest.mark.asyncio
+    async def test_login_missing_fields(self, http_client):
+        """测试缺少必填字段"""
+        auth_api = AuthAPI(http_client)
+        response = await http_client.post("/api/auth/login", json={
+            "username": "test"
+        })
+        
+        assert response.status_code == 400
+    
+    @pytest.mark.asyncio
+    async def test_register_success(self, http_client):
+        """测试注册成功"""
+        import time
+        timestamp = int(time.time() * 1000)
+        response = await http_client.post("/api/auth/register", json={
+            "username": f"testuser_{timestamp}",
+            "password": "password123",
+            "email": f"test_{timestamp}@example.com"
+        })
+        
+        assert response.status_code == 201
+        data = response.json()
+        assert "id" in data
+        assert data["username"] == f"testuser_{timestamp}"
+    
+    @pytest.mark.asyncio
+    async def test_register_duplicate_username(self, http_client):
+        """测试注册重复用户名"""
+        response = await http_client.post("/api/auth/register", json={
+            "username": "admin",
+            "password": "password123",
+            "email": "admin@example.com"
+        })
+        
+        assert response.status_code == 500
+    
+    @pytest.mark.asyncio
+    async def test_logout_success(self, http_client):
+        """测试登出成功"""
+        response = await http_client.post("/api/auth/logout")
+        
+        assert response.status_code == 200