def _get_dir(cls):
     if Platform.is_win32():
         path = os.path.join(_windows_commondata_path(), 'Datadog')
     elif os.path.isdir(PidFile.get_dir()):
         path = PidFile.get_dir()
     else:
         path = tempfile.gettempdir()
     return path

 def _get_pickle_path(cls):
     if Platform.is_win32():
         path = os.path.join(_windows_commondata_path(), 'Datadog')
     elif os.path.isdir(PidFile.get_dir()):
         path = PidFile.get_dir()
     else:
         path = tempfile.gettempdir()
     return os.path.join(path, cls.__name__ + '.pickle')

 def _get_dir(cls):
     if Platform.is_win32():
         path = os.path.join(_windows_commondata_path(), 'Server Density')
         if not os.path.isdir(path):
             path = tempfile.gettempdir()
     elif os.path.isdir(PidFile.get_dir()):
         path = PidFile.get_dir()
     else:
         path = tempfile.gettempdir()
     return path

    def testBadPidFile(self):
        pid_dir = "/does-not-exist"

        p = PidFile('test', pid_dir)
        path = p.get_path()
        self.assertEquals(path, os.path.join(tempfile.gettempdir(), 'test.pid'))

        pid = "666"
        pid_f = open(path, 'w')
        pid_f.write(pid)
        pid_f.close()

        self.assertEquals(p.get_pid(), 666)
        self.assertEquals(p.clean(), True)
        self.assertEquals(os.path.exists(path), False)

    def testGoodPidFie(self):
        """Verify that the pid file succeeds and fails appropriately"""

        pid_dir = tempfile.mkdtemp()
        program = 'test'

        expected_path = os.path.join(pid_dir, '%s.pid' % program)
        pid = "666"
        pid_f = open(expected_path, 'w')
        pid_f.write(pid)
        pid_f.close()

        p = PidFile(program, pid_dir)

        self.assertEquals(p.get_pid(), 666)
        # clean up
        self.assertEquals(p.clean(), True)
        self.assertEquals(os.path.exists(expected_path), False)