new_contents: # -*- coding: utf-8 -*-
  
  # FOGLAMP_BEGIN
  # See: http://foglamp.readthedocs.io/
  # FOGLAMP_END
  
  
  import asyncio
  from unittest.mock import patch, call
  import pytest
  from foglamp.common.storage_client.storage_client import StorageClient
  from foglamp.common.statistics import Statistics
  from foglamp.tasks.purge.purge import Purge
  from foglamp.common.process import FoglampProcess
  
  
  __author__ = "Vaibhav Singhal"
  __copyright__ = "Copyright (c) 2017 OSIsoft, LLC"
  __license__ = "Apache 2.0"
  __version__ = "${VERSION}"
  
  
  @pytest.allure.feature("unit")
  @pytest.allure.story("tasks", "purge")
  class TestPurge:
  
      def test_write_statistics(self):
          with patch.object(FoglampProcess, '__init__'):
              with patch.object(Statistics, '__init__', return_value=None):
                  with patch.object(Statistics, 'update', return_value=asyncio.ensure_future(asyncio.sleep(0.1)))\
                          as mock_update:
                      p = Purge()
                      p.write_statistics(1, 2)
                      mock_update.assert_has_calls([call('PURGED', 1), call('UNSNPURGED', 2)])
  
  
      def test_insert_into_log(self):
          pass
  
      def test_set_configuration(self):
          pass
  
      def test_purge_data(self):
          pass
  
      def test_run(self):
          pass
subject: Test added for unit write_statistics