gistfile1.py

class TestRound(object):
  def _check_rounding(self, test, expected):
    assert round(test) == expected

  def test_rounding(self):
    for x, y in [(1, 1),
                 (1.9, 2)]:
      yield self._check_rounding, x, y

# VERSUS

class TestRound(unittest.TestCase):
  def test_rounding_same(self):
    self.assertEquals(round(1), 1)

  def test_rounding_one_dot_nine_to_two(self):
    self.assertEquals(round(1.9), 2)