lightning/tests/tests_data/test_backends.py

34 lines
1.1 KiB
Python

import os
from collections import namedtuple
from typing import Mapping
from unittest import mock
def test_s3_dataset_backend_credentials_env_vars():
from lightning.data.backends import S3DatasetBackend
os.environ["AWS_ACCESS_KEY"] = "123"
os.environ["AWS_SECRET_ACCESS_KEY"] = "abc"
assert S3DatasetBackend().credentials() == {"access_key": "123", "secret_key": "abc"}
os.environ.pop("AWS_ACCESS_KEY")
os.environ.pop("AWS_SECRET_ACCESS_KEY")
_Credentials = namedtuple("RefreshableCredentials", ("access_key", "secret_key", "token"))
@mock.patch("botocore.credentials.InstanceMetadataProvider.load", return_value=_Credentials("abc", "def", "ghi"))
def test_s3_dataset_backend_credentials_iam(patch1):
from lightning.data.backends import S3DatasetBackend
credentials = S3DatasetBackend().credentials()
assert isinstance(credentials, Mapping)
assert credentials == {"access_key": "abc", "secret_key": "def", "token": "ghi"}
def test_local_dataset_backend_credentials():
from lightning.data.backends import LocalDatasetBackend
assert LocalDatasetBackend().credentials() == {}