old_contents: """Tests of the test-runner plugins."""
  
  import py
  import unittest
  from nose.plugins import PluginTester
  from coverage.runners.noseplugin import Coverage
  
  class TestCoverage(PluginTester, unittest.TestCase):
      """Test the nose plugin."""
  
      activate = '--with-coverage' # enables the plugin
      plugins = [Coverage()]
      args = ['--cover-report=report']
  
      @py.test.mark.skipif(True) # "requires nose test runner"
      def test_output(self):
          assert "Processing Coverage..." in self.output, (
                                          "got: %s" % self.output)
      def makeSuite(self):
          class TC(unittest.TestCase):
              def runTest(self):
                  raise ValueError("Coverage down")
          return unittest.TestSuite([TC()])
  
  
  pytest_plugins = ['pytester']
  def test_functional(testdir):
      """Test the py.test plugin."""
  
      testdir.makepyfile("""
          def f():
              x = 42
          def test_whatever():
              pass
          """)
      result = testdir.runpytest("--cover-report=annotate")
      assert result.ret == 0
      assert result.stdout.fnmatch_lines([
          '*Processing Coverage*'
          ])
      coveragefile = testdir.tmpdir.join(".coverage")
      assert coveragefile.check()
      # XXX try loading it?
  
new_contents: """Tests of the test-runner plugins."""
  
  import py
  import unittest
  from nose.plugins import PluginTester
  from coverage.runners.noseplugin import Coverage
  
  class TestCoverage(PluginTester, unittest.TestCase):
      """Test the nose plugin."""
  
      activate = '--with-coverage' # enables the plugin
      plugins = [Coverage()]
      args = ['--cover-report=report']
  
      @py.test.mark.skipif(True) # "requires nose test runner"
      def test_output(self):
          assert "Processing Coverage..." in self.output, (
                                          "got: %s" % self.output)
      def makeSuite(self):
          class TC(unittest.TestCase):
              def runTest(self):
                  raise ValueError("Coverage down")
          return unittest.TestSuite([TC()])
  
  
  pytest_plugins = ['pytester']
  def test_functional(testdir):
      """Test the py.test plugin."""
  
      testdir.makepyfile("""
          def f():
              x = 42
          def test_whatever():
              pass
          """)
      result = testdir.runpytest("--cover-report=annotate")
      assert result.ret == 0
      assert result.stdout.fnmatch_lines([
          '*Processing Coverage*'
          ])
      coveragefile = testdir.tmpdir.join(".coverage")
      assert coveragefile.check()
      # XXX try loading it?
  
  # Keep test_functional from running in nose:
  test_functional.__test__ = False
  
subject: Mark the py.test test as not to be run in nose.