Add unit tests for models and services

- Implemented unit tests for Object model including folder and file creation, properties, and path retrieval.
- Added unit tests for Setting model covering creation, unique constraints, and type enumeration.
- Created unit tests for User model focusing on user creation, uniqueness, and group relationships.
- Developed unit tests for Login service to validate login functionality, including 2FA and token generation.
- Added utility tests for JWT creation and verification, ensuring token integrity and expiration handling.
- Implemented password utility tests for password generation, hashing, and TOTP verification.

run_integration_tests.sh

@@ -0,0 +1,85 @@
+#!/bin/bash
+
+# DiskNext Server 集成测试运行脚本
+
+echo "==================== DiskNext Server 集成测试 ===================="
+echo ""
+
+# 检查 uv 是否安装
+echo "检查 uv..."
+if ! command -v uv &> /dev/null; then
+    echo "X uv 未安装，请先安装 uv: https://docs.astral.sh/uv/"
+    exit 1
+fi
+
+# 同步依赖
+echo "同步依赖..."
+uv sync
+echo ""
+
+# 显示测试环境信息
+echo "测试环境信息:"
+uv run python --version
+uv run pytest --version
+echo ""
+
+# 运行测试
+echo "==================== 开始运行集成测试 ===================="
+echo ""
+
+# 根据参数选择测试范围
+case "$1" in
+    site)
+        echo "运行站点端点测试..."
+        uv run pytest tests/integration/api/test_site.py -v
+        ;;
+    user)
+        echo "运行用户端点测试..."
+        uv run pytest tests/integration/api/test_user.py -v
+        ;;
+    admin)
+        echo "运行管理员端点测试..."
+        uv run pytest tests/integration/api/test_admin.py -v
+        ;;
+    directory)
+        echo "运行目录操作测试..."
+        uv run pytest tests/integration/api/test_directory.py -v
+        ;;
+    object)
+        echo "运行对象操作测试..."
+        uv run pytest tests/integration/api/test_object.py -v
+        ;;
+    auth)
+        echo "运行认证中间件测试..."
+        uv run pytest tests/integration/middleware/test_auth.py -v
+        ;;
+    api)
+        echo "运行所有 API 测试..."
+        uv run pytest tests/integration/api/ -v
+        ;;
+    middleware)
+        echo "运行所有中间件测试..."
+        uv run pytest tests/integration/middleware/ -v
+        ;;
+    coverage)
+        echo "运行测试并生成覆盖率报告..."
+        uv run pytest tests/integration/ -v --cov --cov-report=html
+        echo ""
+        echo "覆盖率报告已生成: htmlcov/index.html"
+        ;;
+    unit)
+        echo "运行所有单元测试..."
+        uv run pytest tests/unit/ -v
+        ;;
+    all)
+        echo "运行所有测试..."
+        uv run pytest tests/ -v
+        ;;
+    *)
+        echo "运行所有集成测试..."
+        uv run pytest tests/integration/ -v
+        ;;
+esac
+
+echo ""
+echo "==================== 测试完成 ===================="