code: def test_download_file(
      http_artifact_repo, tmp_path, remote_file_path
  ):
      with mock.patch(
          "mlflow.store.artifact.http_artifact_repo.http_request",
          return_value=MockStreamResponse("data", 200),
      ) as mock_get:
          file_path = tmp_path.joinpath(
              posixpath.basename(remote_file_path)
          )
          http_artifact_repo._download_file(remote_file_path, file_path)
          mock_get.assert_called_once_with(
              http_artifact_repo._host_creds,
              posixpath.join("/", remote_file_path),
              "GET",
              stream=True,
          )
          assert file_path.read_text() == "data"
  
      with mock.patch(
          "mlflow.store.artifact.http_artifact_repo.http_request",
          return_value=MockStreamResponse("data", 400),
      ):
          with pytest.raises(Exception, match="request failed"):
              http_artifact_repo._download_file(
                  remote_file_path, tmp_path
              )
  
imports: import os
  import posixpath
  from unittest import mock
  import pytest
  from requests import HTTPError
  from mlflow.entities.multipart_upload import CreateMultipartUploadResponse, MultipartUploadCredential, MultipartUploadPart
  from mlflow.environment_variables import MLFLOW_MULTIPART_UPLOAD_MINIMUM_FILE_SIZE, MLFLOW_TRACKING_CLIENT_CERT_PATH, MLFLOW_TRACKING_INSECURE_TLS, MLFLOW_TRACKING_PASSWORD, MLFLOW_TRACKING_SERVER_CERT_PATH, MLFLOW_TRACKING_TOKEN, MLFLOW_TRACKING_USERNAME
  from mlflow.exceptions import MlflowException
  from mlflow.store.artifact.artifact_repository_registry import get_artifact_repository
  from mlflow.store.artifact.http_artifact_repo import HttpArtifactRepository
  from mlflow.tracking._tracking_service.utils import _get_default_host_creds
  from mlflow.utils.rest_utils import MlflowHostCreds
label_desc: Use image node_id 8 for calling a global function with example usage: test_download_file(http_artifact_repo, tmp_path, remote_file_path) without return types