old_contents: try:
      # Python < 2.7
      import unittest2 as unittest
  except ImportError:
      import unittest
  
  from lala import config
  from ConfigParser import SafeConfigParser, NoSectionError
  from os import remove
  
  
  class TestConfig(unittest.TestCase):
      @classmethod
      def setUpClass(cls):
          config._CFG = SafeConfigParser()
          config._FILENAME = "foobar.txt"
  
      def setUp(self):
          for section in config._CFG.sections():
              config._CFG.remove_section(section)
  
      def test_exists(self):
          config.set("key", "value")
          self.assertEqual("value", config.get("key"))
  
      def test_set_default_options(self):
          config.set_default_options(stringkey="foo", defaultintkey="1")
          self.assertEqual(config.get("stringkey"), "foo")
          self.assertEqual(config.get_int("defaultintkey"), 1)
  
      def test_set_default_options_list(self):
          items = ["foo", "bar", "baz"]
          config.set_default_options(defaultlisttest=items)
          self.assertEqual(sorted(config.get_list("defaultlisttest")),
                  sorted(items))
  
      def test_default_doesnt_overwrite(self):
          config.set("not_overwritten_key", 1)
          config.set_default_options(not_overwritten_key=2)
          self.assertEquals(config.get_int("not_overwritten_key"), 1)
  
      def test_converter_int_setandget(self):
          config.set("intkey", 2)
          self.assertTrue(isinstance(config.get_int("intkey"), int))
  
      def test_converter_list_setandget(self):
          items = ["foo", "bar", "baz"]
          config.set_list("listkey", items)
          self.assertEqual(sorted(config.get_list("listkey")), sorted(items))
  
      def test_raises(self):
          self.assertRaises(NoSectionError, config.get, "foo")
  
      @classmethod
      def tearDownClass(cls):
          remove(config._FILENAME)
  
new_contents: try:
      # Python < 2.7
      import unittest2 as unittest
  except ImportError:
      import unittest
  
  from lala import config
  from ConfigParser import SafeConfigParser, NoSectionError
  from os import remove
  
  
  class TestConfig(unittest.TestCase):
      @classmethod
      def setUpClass(cls):
          config._CFG = SafeConfigParser()
          config._FILENAME = None
  
      def setUp(self):
          for section in config._CFG.sections():
              config._CFG.remove_section(section)
  
      def test_exists(self):
          config.set("key", "value")
          self.assertEqual("value", config.get("key"))
  
      def test_set_default_options(self):
          config.set_default_options(stringkey="foo", defaultintkey="1")
          self.assertEqual(config.get("stringkey"), "foo")
          self.assertEqual(config.get_int("defaultintkey"), 1)
  
      def test_set_default_options_list(self):
          items = ["foo", "bar", "baz"]
          config.set_default_options(defaultlisttest=items)
          self.assertEqual(sorted(config.get_list("defaultlisttest")),
                  sorted(items))
  
      def test_default_doesnt_overwrite(self):
          config.set("not_overwritten_key", 1)
          config.set_default_options(not_overwritten_key=2)
          self.assertEquals(config.get_int("not_overwritten_key"), 1)
  
      def test_converter_int_setandget(self):
          config.set("intkey", 2)
          self.assertTrue(isinstance(config.get_int("intkey"), int))
  
      def test_converter_list_setandget(self):
          items = ["foo", "bar", "baz"]
          config.set_list("listkey", items)
          self.assertEqual(sorted(config.get_list("listkey")), sorted(items))
  
      def test_raises(self):
          self.assertRaises(NoSectionError, config.get, "foo")
  
subject: Set the config filename to None in tests