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2026-07-13 11:58:32 +08:00

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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(
[
"PyYAML",
"SQLAlchemy",
"async-timeout",
"langchain-core",
"langchain-text-splitters",
"langsmith",
"pydantic",
"requests",
],
)
def test_test_group_dependencies(uv_conf: Mapping[str, Any]) -> None:
"""Check if someone is attempting to add additional test dependencies.
Only dependencies associated with test running infrastructure should be added
to the test group; e.g., pytest, pytest-cov etc.
Examples of dependencies that should NOT be included: boto3, azure, postgres, etc.
"""
dependencies = uv_conf["dependency-groups"]["test"]
test_group_deps = {Requirement(dep).name for dep in dependencies}
assert sorted(test_group_deps) == sorted(
[
"freezegun",
"langchain-tests",
"langchain-openai",
"lark",
"packaging",
"pandas",
"pytest",
"pytest-asyncio",
"pytest-cov",
"pytest-dotenv",
"pytest-mock",
"pytest-socket",
"pytest-watcher",
"pytest-xdist",
"responses",
"syrupy",
"toml",
"requests-mock",
"numpy",
],
)