Refactor pytest dependencies into separate optional group

- Extract pytest deps to own group
- Reference pytest group in evaluation
- Add pytest config to pyproject.toml
- Update uv.lock with new structure

pyproject.toml

@@ -42,6 +42,12 @@ dependencies = [
 ]
 
 [project.optional-dependencies]
+# Test framework dependencies (for CI/CD and testing)
+pytest = [
+    "pytest>=8.4.2",
+    "pytest-asyncio>=1.2.0",
+]
+
 api = [
     # Core dependencies
     "aiohttp",
@@ -125,12 +131,12 @@ offline = [
 ]
 
 evaluation = [
+    # Test framework (reference pytest group)
+    "lightrag-hku[pytest]",
     # RAG evaluation dependencies (RAGAS framework)
     "ragas>=0.3.7",
     "datasets>=4.3.0",
     "httpx>=0.28.1",
-    "pytest>=8.4.2",
-    "pytest-asyncio>=1.2.0",
 ]
 
 observability = [
@@ -162,5 +168,13 @@ version = {attr = "lightrag.__version__"}
 [tool.setuptools.package-data]
 lightrag = ["api/webui/**/*", "api/static/**/*"]
 
+[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_*"]
+
 [tool.ruff]
 target-version = "py310"

uv.lock

@@ -2695,6 +2695,10 @@ offline-storage = [
     { name = "qdrant-client", version = "1.15.1", source = { registry = "https://pypi.org/simple" }, marker = "python_full_version < '3.13'" },
     { name = "redis" },
 ]
+pytest = [
+    { name = "pytest" },
+    { name = "pytest-asyncio" },
+]
 
 [package.metadata]
 requires-dist = [
@@ -2729,6 +2733,7 @@ requires-dist = [
     { name = "json-repair", marker = "extra == 'api'" },
     { name = "langfuse", marker = "extra == 'observability'", specifier = ">=3.8.1" },
     { name = "lightrag-hku", extras = ["api", "offline-llm", "offline-storage"], marker = "extra == 'offline'" },
+    { name = "lightrag-hku", extras = ["pytest"], marker = "extra == 'evaluation'" },
     { name = "llama-index", marker = "extra == 'offline-llm'", specifier = ">=0.9.0,<1.0.0" },
     { name = "nano-vectordb" },
     { name = "nano-vectordb", marker = "extra == 'api'" },
@@ -2756,8 +2761,8 @@ requires-dist = [
     { name = "pypdf", marker = "extra == 'api'", specifier = ">=6.1.0" },
     { name = "pypinyin" },
     { name = "pypinyin", marker = "extra == 'api'" },
-    { name = "pytest", marker = "extra == 'evaluation'", specifier = ">=8.4.2" },
-    { name = "pytest-asyncio", marker = "extra == 'evaluation'", specifier = ">=1.2.0" },
+    { name = "pytest", marker = "extra == 'pytest'", specifier = ">=8.4.2" },
+    { name = "pytest-asyncio", marker = "extra == 'pytest'", specifier = ">=1.2.0" },
     { name = "python-docx", marker = "extra == 'api'", specifier = ">=0.8.11,<2.0.0" },
     { name = "python-dotenv" },
     { name = "python-dotenv", marker = "extra == 'api'" },
@@ -2780,7 +2785,7 @@ requires-dist = [
     { name = "xlsxwriter", marker = "extra == 'api'", specifier = ">=3.1.0" },
     { name = "zhipuai", marker = "extra == 'offline-llm'", specifier = ">=2.0.0,<3.0.0" },
 ]
-provides-extras = ["api", "docling", "offline-storage", "offline-llm", "offline", "evaluation", "observability"]
+provides-extras = ["pytest", "api", "docling", "offline-storage", "offline-llm", "offline", "evaluation", "observability"]
 
 [[package]]
 name = "llama-cloud"