old_contents: """
  test_itunes.py
  
  Copyright © 2015 Alex Danoff. All Rights Reserved.
  2015-08-02
  
  This file tests the functionality provided by the itunes module.
  """
  
  import unittest
  
  from itunes.itunes import parse_value
  
  class ITunesTests(unittest.TestCase):
      """
      Test cases for iTunes functionality.
      """
  
      def test_parse_value(self):
          self.assertEquals(parse_value("10"), 10)
          self.assertEquals(parse_value("1.0"), 1.0)
          self.assertTrue(parse_value("true"))
          self.assertFalse(parse_value("false"))
          self.assertIsNone(parse_value(""))
          self.assertIsNone(parse_value("missing value"))
  
new_contents: """
  test_itunes.py
  
  Copyright © 2015 Alex Danoff. All Rights Reserved.
  2015-08-02
  
  This file tests the functionality provided by the itunes module.
  """
  
  import unittest
  
  from itunes.itunes import parse_value
  
  class ITunesTests(unittest.TestCase):
      """
      Test cases for iTunes functionality.
      """
  
      def test_parse_value(self):
          self.assertEquals(parse_value("10"), 10)
          self.assertEquals(parse_value("1.0"), 1.0)
          self.assertTrue(parse_value("true"))
          self.assertFalse(parse_value("false"))
          self.assertIsNone(parse_value(""))
          self.assertIsNone(parse_value('""'))
          self.assertIsNone(parse_value("missing value"))
  
subject: Add test case for `parse_value`