text: # Tai Sakuma <tai.sakuma@gmail.com>
  import os
  import gzip
  
  try:
     import cPickle as pickle
  except:
     import pickle
  
  import pytest
  
  import alphatwirl
  
  ##__________________________________________________________________||
  @pytest.fixture()
  def env():
     # add path to alphatwirl to PYTHONPATH in env for subprocess
     env = os.environ.copy()
     alphatwirl_path = os.path.dirname(os.path.dirname(os.path.abspath(alphatwirl.__file__)))
     if 'PYTHONPATH' in env:
        env['PYTHONPATH'] = '{}:{}'.format(alphatwirl_path, env['PYTHONPATH'])
     else:
        env['PYTHONPATH'] = alphatwirl_path
     return env
  
  @pytest.fixture()
  def workingarea_path(tmpdir_factory):
     ret = str(tmpdir_factory.mktemp(''))
     return ret
  
  ##__________________________________________________________________||
  class Reader(object):
     def end(self):
        pass
  
  @pytest.fixture()
  def pickled_reader_path(workingarea_path):
  
     reader = Reader()
  
     ret = os.path.join(workingarea_path, 'reader.p.gz')
     with gzip.open(ret, 'wb') as f:
        pickle.dump(reader, f, protocol = pickle.HIGHEST_PROTOCOL)
  
     return ret
  
  @pytest.mark.script_launch_mode('subprocess')
  def test_run(script_runner, pickled_reader_path, env):
  
     script_path = os.path.join(os.path.dirname(alphatwirl.datasetloop.__file__), 'resume.py')
     args = [pickled_reader_path]
     ret = script_runner.run(script_path, *args, env=env)
     assert ret.success
     assert '' == ret.stderr
     assert '' == ret.stdout
  
  ##__________________________________________________________________||
  