Using py.test fixtures

conftest.py

# in qisys.sh

def get_config_path():
  return get_path(".config")

def get_share_path():
  return get_path(".local/share")
  
def get_path():
  # read XDG
  # mkdir
  # return full path

# in qisys.test.conftest

def fake_get_path(*args):
  """ Return a path in ``tmpdir`` """
  ...
  
@pytest.fixture(autouse=True)
def tmpfiles(request, tmpdir):
     mock.patch("qisys.sh.get_path", fake_get_path)