mirror of
https://github.com/hwchase17/langchain.git
synced 2025-04-30 12:55:25 +00:00
4cc7bc6c93
Add ruff rules [PLR](https://docs.astral.sh/ruff/rules/#refactor-plr) Except PLR09xxx and PLR2004. Co-authored-by: Eugene Yurtsev <eyurtsev@gmail.com>
125 lines
4.4 KiB
Python
125 lines
4.4 KiB
Python
"""Configuration for unit tests."""
|
|
|
|
from collections.abc import Iterator, Sequence
|
|
from importlib import util
|
|
from uuid import UUID
|
|
|
|
import pytest
|
|
from blockbuster import BlockBuster, blockbuster_ctx
|
|
from pytest_mock import MockerFixture
|
|
|
|
|
|
@pytest.fixture(autouse=True)
|
|
def blockbuster() -> Iterator[BlockBuster]:
|
|
with blockbuster_ctx("langchain_core") as bb:
|
|
for func in ["os.stat", "os.path.abspath"]:
|
|
(
|
|
bb.functions[func]
|
|
.can_block_in("langchain_core/_api/internal.py", "is_caller_internal")
|
|
.can_block_in("langchain_core/runnables/base.py", "__repr__")
|
|
.can_block_in(
|
|
"langchain_core/beta/runnables/context.py", "aconfig_with_context"
|
|
)
|
|
)
|
|
|
|
for func in ["os.stat", "io.TextIOWrapper.read"]:
|
|
bb.functions[func].can_block_in(
|
|
"langsmith/client.py", "_default_retry_config"
|
|
)
|
|
|
|
for bb_function in bb.functions.values():
|
|
bb_function.can_block_in(
|
|
"freezegun/api.py", "_get_cached_module_attributes"
|
|
)
|
|
|
|
yield bb
|
|
|
|
|
|
def pytest_addoption(parser: pytest.Parser) -> None:
|
|
"""Add custom command line options to pytest."""
|
|
parser.addoption(
|
|
"--only-extended",
|
|
action="store_true",
|
|
help="Only run extended tests. Does not allow skipping any extended tests.",
|
|
)
|
|
parser.addoption(
|
|
"--only-core",
|
|
action="store_true",
|
|
help="Only run core tests. Never runs any extended tests.",
|
|
)
|
|
|
|
|
|
def pytest_collection_modifyitems(
|
|
config: pytest.Config, items: Sequence[pytest.Function]
|
|
) -> None:
|
|
"""Add implementations for handling custom markers.
|
|
|
|
At the moment, this adds support for a custom `requires` marker.
|
|
|
|
The `requires` marker is used to denote tests that require one or more packages
|
|
to be installed to run. If the package is not installed, the test is skipped.
|
|
|
|
The `requires` marker syntax is:
|
|
|
|
.. code-block:: python
|
|
|
|
@pytest.mark.requires("package1", "package2")
|
|
def test_something():
|
|
...
|
|
"""
|
|
# Mapping from the name of a package to whether it is installed or not.
|
|
# Used to avoid repeated calls to `util.find_spec`
|
|
required_pkgs_info: dict[str, bool] = {}
|
|
|
|
only_extended = config.getoption("--only-extended") or False
|
|
only_core = config.getoption("--only-core") or False
|
|
|
|
if only_extended and only_core:
|
|
msg = "Cannot specify both `--only-extended` and `--only-core`."
|
|
raise ValueError(msg)
|
|
|
|
for item in items:
|
|
requires_marker = item.get_closest_marker("requires")
|
|
if requires_marker is not None:
|
|
if only_core:
|
|
item.add_marker(pytest.mark.skip(reason="Skipping not a core test."))
|
|
continue
|
|
|
|
# Iterate through the list of required packages
|
|
required_pkgs = requires_marker.args
|
|
for pkg in required_pkgs:
|
|
# If we haven't yet checked whether the pkg is installed
|
|
# let's check it and store the result.
|
|
if pkg not in required_pkgs_info:
|
|
try:
|
|
installed = util.find_spec(pkg) is not None
|
|
except Exception:
|
|
installed = False
|
|
required_pkgs_info[pkg] = installed
|
|
|
|
if not required_pkgs_info[pkg]:
|
|
if only_extended:
|
|
pytest.fail(
|
|
f"Package `{pkg}` is not installed but is required for "
|
|
f"extended tests. Please install the given package and "
|
|
f"try again.",
|
|
)
|
|
|
|
else:
|
|
# If the package is not installed, we immediately break
|
|
# and mark the test as skipped.
|
|
item.add_marker(
|
|
pytest.mark.skip(reason=f"Requires pkg: `{pkg}`")
|
|
)
|
|
break
|
|
elif only_extended:
|
|
item.add_marker(pytest.mark.skip(reason="Skipping not an extended test."))
|
|
|
|
|
|
@pytest.fixture
|
|
def deterministic_uuids(mocker: MockerFixture) -> MockerFixture:
|
|
side_effect = (
|
|
UUID(f"00000000-0000-4000-8000-{i:012}", version=4) for i in range(10000)
|
|
)
|
|
return mocker.patch("uuid.uuid4", side_effect=side_effect)
|