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.

pyproject.toml

@@ -9,10 +9,15 @@ dependencies = [
     "aiosqlite>=0.21.0",
     "argon2-cffi>=25.1.0",
     "fastapi[standard]>=0.122.0",
+    "httpx>=0.27.0",
     "itsdangerous>=2.2.0",
     "loguru>=0.7.3",
     "pyjwt>=2.10.1",
     "pyotp>=2.9.0",
+    "pytest>=9.0.2",
+    "pytest-asyncio>=0.24.0",
+    "pytest-cov>=6.0.0",
+    "pytest-xdist>=3.5.0",
     "python-dotenv>=1.2.1",
     "python-multipart>=0.0.20",
     "sqlalchemy>=2.0.44",
@@ -20,3 +25,37 @@ dependencies = [
     "uvicorn>=0.38.0",
     "webauthn>=2.7.0",
 ]
+
+[tool.pytest.ini_options]
+asyncio_mode = "auto"
+asyncio_default_fixture_loop_scope = "function"
+testpaths = ["tests"]
+python_files = ["test_*.py"]
+python_classes = ["Test*"]
+python_functions = ["test_*"]
+addopts = ["-v", "--strict-markers", "--tb=short"]
+markers = [
+    "slow: 标记为慢速测试",
+    "integration: 集成测试",
+    "unit: 单元测试",
+]
+
+[tool.coverage.run]
+source = ["models", "routers", "middleware", "service", "utils"]
+branch = true
+omit = ["*/tests/*", "*/__pycache__/*"]
+
+[tool.coverage.report]
+show_missing = true
+precision = 2
+fail_under = 80
+exclude_lines = [
+    "pragma: no cover",
+    "if TYPE_CHECKING:",
+    "raise NotImplementedError",
+    "pass",
+]
+
+[tool.coverage.html]
+directory = "htmlcov"
+title = "DiskNext Server 测试覆盖率报告"