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.

tests/integration/api/test_site.py

@@ -0,0 +1,91 @@
+"""
+站点配置端点集成测试
+"""
+import pytest
+from httpx import AsyncClient
+
+
+@pytest.mark.asyncio
+async def test_site_ping(async_client: AsyncClient):
+    """测试 /api/site/ping 返回 200"""
+    response = await async_client.get("/api/site/ping")
+    assert response.status_code == 200
+
+
+@pytest.mark.asyncio
+async def test_site_ping_response_format(async_client: AsyncClient):
+    """测试 /api/site/ping 响应包含版本号"""
+    response = await async_client.get("/api/site/ping")
+    assert response.status_code == 200
+
+    data = response.json()
+    assert "data" in data
+    # BackendVersion 应该是字符串格式的版本号
+    assert isinstance(data["data"], str)
+
+
+@pytest.mark.asyncio
+async def test_site_config(async_client: AsyncClient):
+    """测试 /api/site/config 返回配置"""
+    response = await async_client.get("/api/site/config")
+    assert response.status_code == 200
+
+    data = response.json()
+    assert "data" in data
+
+
+@pytest.mark.asyncio
+async def test_site_config_contains_title(async_client: AsyncClient):
+    """测试配置包含站点标题"""
+    response = await async_client.get("/api/site/config")
+    assert response.status_code == 200
+
+    data = response.json()
+    config = data["data"]
+    assert "title" in config
+    assert config["title"] == "DiskNext Test"
+
+
+@pytest.mark.asyncio
+async def test_site_config_contains_themes(async_client: AsyncClient):
+    """测试配置包含主题设置"""
+    response = await async_client.get("/api/site/config")
+    assert response.status_code == 200
+
+    data = response.json()
+    config = data["data"]
+    assert "themes" in config
+    assert "defaultTheme" in config
+
+
+@pytest.mark.asyncio
+async def test_site_config_register_enabled(async_client: AsyncClient):
+    """测试配置包含注册开关"""
+    response = await async_client.get("/api/site/config")
+    assert response.status_code == 200
+
+    data = response.json()
+    config = data["data"]
+    assert "registerEnabled" in config
+    assert config["registerEnabled"] is True
+
+
+@pytest.mark.asyncio
+async def test_site_config_captcha_settings(async_client: AsyncClient):
+    """测试配置包含验证码设置"""
+    response = await async_client.get("/api/site/config")
+    assert response.status_code == 200
+
+    data = response.json()
+    config = data["data"]
+    assert "loginCaptcha" in config
+    assert "regCaptcha" in config
+    assert "forgetCaptcha" in config
+
+
+@pytest.mark.asyncio
+async def test_site_captcha_endpoint_exists(async_client: AsyncClient):
+    """测试验证码端点存在（即使未实现也应返回有效响应）"""
+    response = await async_client.get("/api/site/captcha")
+    # 未实现的端点可能返回 404 或其他状态码
+    assert response.status_code in [200, 404, 501]