old_contents: """
  Module with tests for the clearoutput preprocessor.
  """
  
  #-----------------------------------------------------------------------------
  # Copyright (c) 2013, the IPython Development Team.
  #
  # Distributed under the terms of the Modified BSD License.
  #
  # The full license is in the file COPYING.txt, distributed with this software.
  #-----------------------------------------------------------------------------
  
  #-----------------------------------------------------------------------------
  # Imports
  #-----------------------------------------------------------------------------
  from IPython.nbformat import current as nbformat
  
  from .base import PreprocessorTestsBase
  from ..clearoutput import ClearOutputPreprocessor
  
  
  #-----------------------------------------------------------------------------
  # Class
  #-----------------------------------------------------------------------------
  
  class TestClearOutput(PreprocessorTestsBase):
      """Contains test functions for clearoutput.py"""
  
  
      def build_preprocessor(self):
          """Make an instance of a preprocessor"""
          preprocessor = ClearOutputPreprocessor()
          preprocessor.enabled = True
          return preprocessor
  
      def test_constructor(self):
          """Can a ClearOutputPreprocessor be constructed?"""
          self.build_preprocessor()
  
      def test_output(self):
          """Test the output of the ClearOutputPreprocessor"""
          nb = self.build_notebook()
          res = self.build_resources()
          preprocessor = self.build_preprocessor()
          nb, res = preprocessor(nb, res)
          assert nb.worksheets[0].cells[0].outputs == []
  
new_contents: """
  Module with tests for the clearoutput preprocessor.
  """
  
  # Copyright (c) IPython Development Team.
  # Distributed under the terms of the Modified BSD License.
  
  #-----------------------------------------------------------------------------
  # Imports
  #-----------------------------------------------------------------------------
  from IPython.nbformat import current as nbformat
  
  from .base import PreprocessorTestsBase
  from ..clearoutput import ClearOutputPreprocessor
  
  
  #-----------------------------------------------------------------------------
  # Class
  #-----------------------------------------------------------------------------
  
  class TestClearOutput(PreprocessorTestsBase):
      """Contains test functions for clearoutput.py"""
  
  
      def build_preprocessor(self):
          """Make an instance of a preprocessor"""
          preprocessor = ClearOutputPreprocessor()
          preprocessor.enabled = True
          return preprocessor
  
      def test_constructor(self):
          """Can a ClearOutputPreprocessor be constructed?"""
          self.build_preprocessor()
  
      def test_output(self):
          """Test the output of the ClearOutputPreprocessor"""
          nb = self.build_notebook()
          res = self.build_resources()
          preprocessor = self.build_preprocessor()
          nb, res = preprocessor(nb, res)
          assert nb.worksheets[0].cells[0].outputs == []
  
subject: Fix copyright on test_clearoutput.py