text: # Copyright 2020 AI2Business. 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
  #
  #     http://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.
  # ==============================================================================
  """Test-Environment for seaborn figure style."""
  
  import seaborn as sns
  
  from ai2business.visualization import style
  
  
  def test_light_mode():
  
      assert style.light_mode() == sns.set_theme(style="white")
  
  
  def test_light_mode_grid():
  
      assert style.light_mode(grid=True) == sns.set_theme(style="whitegrid")
  
  
  def test_dark_mode():
  
      assert style.dark_mode() == sns.set_theme(style="dark")
  
  
  def test_dark_mode_grid():
  
      assert style.dark_mode(grid=True) == sns.set_theme(style="darkgrid")
  