old_contents: import unittest
  import nose
  import roller
  
  
  class TestRoller:
      def test_defaults(self):
          defaults = roller.get_args([])
          assert defaults.verbose is False
          assert defaults.new_version == roller.get_latest_kernel_version()
          assert defaults.new_revision is None
          assert defaults.config_version == roller.get_current_kernel_version()
          assert defaults.config_revision == 'current'
          assert defaults.skip_install is False
          assert defaults.build_dir == '/tmp'
          assert defaults.config_dir is None
  
      @nose.tools.raises(SystemExit)
      def test_version(self):
          assert roller.get_args(['--version'])
  
      def test_arguments(self):
          assert roller.get_args(['-v']).verbose is True
          assert roller.get_args(['-k', '1.2.3']).new_version == '1.2.3'
          assert roller.get_args(['-n', '9']).new_revision == '9'
          assert roller.get_args(['-c', '1.2.3']).config_version == '1.2.3'
          assert roller.get_args(['-r', '7']).config_revision == '7'
          assert roller.get_args(['-s']).skip_install is True
          assert roller.get_args(['-b', '/foo']).build_dir == '/foo'
          assert roller.get_args(['-d', '/bar']).config_dir == '/bar'
  
      def test_get_latest_kernel_version(self):
          stable = roller.get_latest_kernel_version(kind='stable')
          longterm = roller.get_latest_kernel_version(kind='longterm')
          mainline = roller.get_latest_kernel_version(kind='mainline')
          assert stable != longterm
          assert 'rc' in mainline
  
      def test_get_current_kernel_version(self):
          assert len(roller.get_current_kernel_version().split('.')) > 1
  
      def test_get_current_kernel_revision(self):
          assert roller.get_current_kernel_revision() == '0'
  
      def test_easyroll(self):
          arg_sets = [
              ['-v', '-k', '3.13.6', '-c', '3.13.6', '-r', '1']
          ]
          for args in arg_sets:
              roller.easy_roll(args)
  
      def test_cleanup(self):
          kernel = roller.Kernel()
          kernel.cleanup()
  
  
new_contents: import unittest
  import nose
  import roller
  
  
  class TestRoller:
      def test_defaults(self):
          defaults = roller.get_args([])
          assert defaults.verbose is False
          assert defaults.new_version == roller.get_latest_kernel_version()
          assert defaults.new_revision is None
          assert defaults.config_version == roller.get_current_kernel_version()
          assert defaults.config_revision == 'current'
          assert defaults.skip_install is False
          assert defaults.build_dir == '/tmp'
          assert defaults.config_dir is None
  
      @nose.tools.raises(SystemExit)
      def test_version(self):
          assert roller.get_args(['--version'])
  
      def test_arguments(self):
          assert roller.get_args(['-v']).verbose is True
          assert roller.get_args(['-k', '1.2.3']).new_version == '1.2.3'
          assert roller.get_args(['-n', '9']).new_revision == '9'
          assert roller.get_args(['-c', '1.2.3']).config_version == '1.2.3'
          assert roller.get_args(['-r', '7']).config_revision == '7'
          assert roller.get_args(['-s']).skip_install is True
          assert roller.get_args(['-b', '/foo']).build_dir == '/foo'
          assert roller.get_args(['-d', '/bar']).config_dir == '/bar'
  
      def test_get_latest_kernel_version(self):
          stable = roller.get_latest_kernel_version(kind='stable')
          longterm = roller.get_latest_kernel_version(kind='longterm')
          mainline = roller.get_latest_kernel_version(kind='mainline')
          assert stable != longterm
          assert 'rc' in mainline
  
      def test_get_current_kernel_version(self):
          assert len(roller.get_current_kernel_version().split('.')) > 1
  
      def test_get_current_kernel_revision(self):
          assert roller.get_current_kernel_revision() == '0'
  
      def test_easyroll(self):
          arg_sets = [
              ['-v', '-k', '3.13.6', '-c', '3.13.6', '-r', '1']
          ]
          for args in arg_sets:
              roller.easy_roll(args)
  
      def test_cleanup(self):
          kernel = roller.Kernel()
          kernel.cleanup()
  
subject: remove newline