old_contents: """
  Tests for sandboxing.py in util app
  """
  
  from django.test import TestCase
  from util.sandboxing import can_execute_unsafe_code
  from django.test.utils import override_settings
  
  
  class SandboxingTest(TestCase):
      """
      Test sandbox whitelisting
      """
      @override_settings(COURSES_WITH_UNSAFE_CODE=['edX/full/.*'])
      def test_sandbox_exclusion(self):
          """
          Test to make sure that a non-match returns false
          """
          self.assertFalse(can_execute_unsafe_code('edX/notful/empty'))
  
      @override_settings(COURSES_WITH_UNSAFE_CODE=['edX/full/.*'])
      def test_sandbox_inclusion(self):
          """
          Test to make sure that a match works across course runs
          """
          self.assertTrue(can_execute_unsafe_code('edX/full/2012_Fall'))
          self.assertTrue(can_execute_unsafe_code('edX/full/2013_Spring'))
  
new_contents: """
  Tests for sandboxing.py in util app
  """
  
  from django.test import TestCase
  from util.sandboxing import can_execute_unsafe_code
  from django.test.utils import override_settings
  
  
  class SandboxingTest(TestCase):
      """
      Test sandbox whitelisting
      """
      @override_settings(COURSES_WITH_UNSAFE_CODE=['edX/full/.*'])
      def test_sandbox_exclusion(self):
          """
          Test to make sure that a non-match returns false
          """
          self.assertFalse(can_execute_unsafe_code('edX/notful/empty'))
  
      @override_settings(COURSES_WITH_UNSAFE_CODE=['edX/full/.*'])
      def test_sandbox_inclusion(self):
          """
          Test to make sure that a match works across course runs
          """
          self.assertTrue(can_execute_unsafe_code('edX/full/2012_Fall'))
          self.assertTrue(can_execute_unsafe_code('edX/full/2013_Spring'))
  
      def test_courses_with_unsafe_code_default(self):
          """
          Test that the default setting for COURSES_WITH_UNSAFE_CODE is an empty setting, e.g. we don't use @override_settings in these tests
          """
          self.assertFalse(can_execute_unsafe_code('edX/full/2012_Fall'))
          self.assertFalse(can_execute_unsafe_code('edX/full/2013_Spring'))
  
subject: add simple unit test on the defaulting of the settings