old_contents: # encoding: utf-8
  
  '''
  @author: Tsuyoshi Hombashi
  
  :required: py.test
  '''
  
  import itertools
  
  import pytest
  
  import thutils
  
  
  @pytest.fixture
  def subproc_wrapper():
      return thutils.subprocwrapper.SubprocessWrapper()
  
  
  DEVICE = "eth0"
  
  RATE_LIST = [
      "",
      "--rate 100K",
      "--rate 0.5M",
      "--rate 0.1G",
  ]
  DELAY_LIST = [
      "",
      "--delay 0",
      "--delay 10",
      "--delay 100",
  ]
  LOSS_LIST = [
      "",
      "--loss 0",
      "--loss 0.1",
      "--loss 1",
  ]
  OVERWRITE_LIST = [
      "",
      "--overwrite",
  ]
  
  
  class Test_tcconfig:
  
      @pytest.mark.parametrize(["rate", "delay", "loss", "overwrite"], [
          opt_list
          for opt_list in itertools.product(
              RATE_LIST, DELAY_LIST, LOSS_LIST, OVERWRITE_LIST)
      ])
      def test_smoke(self, subproc_wrapper, rate, delay, loss, overwrite):
          option_list = [rate, delay, loss, overwrite]
          command = "tcset --device %s " % (DEVICE) + " ".join(option_list)
          assert subproc_wrapper.run(command) == 0
  
          command = "tcdel --device %s" % (DEVICE)
          assert subproc_wrapper.run(command) == 0
  
new_contents: # encoding: utf-8
  
  '''
  @author: Tsuyoshi Hombashi
  '''
  
  import itertools
  import pytest
  import thutils
  
  
  @pytest.fixture
  def subproc_wrapper():
      return thutils.subprocwrapper.SubprocessWrapper()
  
  
  DEVICE = "eth0"
  
  
  class NormalTestValue:
      RATE_LIST = [
          "",
          "--rate 100K",
          "--rate 0.5M",
          "--rate 0.1G",
      ]
      DELAY_LIST = [
          "",
          "--delay 0",
          "--delay 10",
          "--delay 100",
      ]
      LOSS_LIST = [
          "",
          "--loss 0",
          "--loss 0.1",
          "--loss 99",
      ]
      OVERWRITE_LIST = [
          "",
          "--overwrite",
      ]
  
  
  class Test_tcconfig:
  
      @pytest.mark.parametrize(["rate", "delay", "loss", "overwrite"], [
          opt_list
          for opt_list in itertools.product(
              NormalTestValue.RATE_LIST,
              NormalTestValue.DELAY_LIST,
              NormalTestValue.LOSS_LIST,
              NormalTestValue.OVERWRITE_LIST)
      ])
      def test_smoke(self, subproc_wrapper, rate, delay, loss, overwrite):
          option_list = [rate, delay, loss, overwrite]
          command = "tcset --device %s " % (DEVICE) + " ".join(option_list)
          assert subproc_wrapper.run(command) == 0
  
          command = "tcdel --device %s" % (DEVICE)
          assert subproc_wrapper.run(command) == 0
  
subject: modify test