text: # Copyright (c) 2019, Moritz E. Beber.
  #
  # 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.
  
  
  """Expect that components models function as designed."""
  
  
  import pytest
  
  from cobra_component_models.io import ComponentsModel
  
  
  def test_empty_init():
      """Expect that a components model can be instantiated without arguments."""
      obj = ComponentsModel()
      assert obj.reactions == {}
      assert obj.compartments == {}
      assert obj.compounds == {}
  
  
  @pytest.mark.parametrize(
      "attributes",
      [
          {"reactions": {"1": {"id": "1"}}},
          {"compartments": {"1": {"id": "1"}}},
          {"compounds": {"1": {"id": "1"}}},
      ],
  )
  def test_init(attributes):
      """Expect that the object is properly initialized."""
      ComponentsModel(**attributes)
  