content: #  Copyright (c) ZenML GmbH 2024. All Rights Reserved.
  #
  #  Licensed under the Apache License, Version 2.0 (the "License");
  #  you may not use this file except in compliance with the License.
  #  You may obtain a copy of the License at:
  #
  #       https://www.apache.org/licenses/LICENSE-2.0
  #
  #  Unless required by applicable law or agreed to in writing, software
  #  distributed under the License is distributed on an "AS IS" BASIS,
  #  WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express
  #  or implied. See the License for the specific language governing
  #  permissions and limitations under the License.
  import inspect
  from contextlib import ExitStack as does_not_raise
  from typing import Optional
  
  from zenml.steps.entrypoint_function_utils import EntrypointFunctionDefinition
  
  
  class CustomType:
      pass
  
  
  def test_passing_none_for_optional_artifact() -> None:
      entrypoint_function_definition = EntrypointFunctionDefinition(
          inputs={
              "key": inspect.Parameter(
                  name="key",
                  kind=inspect.Parameter.KEYWORD_ONLY,
                  annotation=Optional[CustomType],
              )
          },
          outputs={},
      )
  
      with does_not_raise():
          entrypoint_function_definition.validate_input(key="key", value=None)
  