Files
langchain/libs/langchain_v1/tests/unit_tests/test_dependencies.py
Eugene Yurtsev 0ff2bc890b chore(langchain_v1): remove text splitters from langchain v1 namespace (#33297)
Removing text splitters for now for a lighter dependency. We may re-introduce
2025-10-06 14:42:23 -04:00

34 lines
1.1 KiB
Python

"""A unit test meant to catch accidental introduction of non-optional dependencies."""
from collections.abc import Mapping
from pathlib import Path
from typing import Any
import pytest
import toml
from packaging.requirements import Requirement
HERE = Path(__file__).parent
PYPROJECT_TOML = HERE / "../../pyproject.toml"
@pytest.fixture
def uv_conf() -> dict[str, Any]:
"""Load the pyproject.toml file."""
with PYPROJECT_TOML.open() as f:
return toml.load(f)
def test_required_dependencies(uv_conf: Mapping[str, Any]) -> None:
"""A test that checks if a new non-optional dependency is being introduced.
If this test is triggered, it means that a contributor is trying to introduce a new
required dependency. This should be avoided in most situations.
"""
# Get the dependencies from the [tool.poetry.dependencies] section
dependencies = uv_conf["project"]["dependencies"]
required_dependencies = {Requirement(dep).name for dep in dependencies}
assert sorted(required_dependencies) == sorted(["langchain-core", "langgraph", "pydantic"])