new_contents: """Test LF computation Interface."""
  
  import mne
  import nipype.pipeline.engine as pe
  import os.path as op
  from ephypype.interfaces.mne.LF_computation import LFComputation
  
  
  data_path = mne.datasets.sample.data_path()
  sbj_id = 'sample'
  subjects_dir = op.join(data_path, 'subjects')
  raw_fname = op.join(data_path, 'MEG', sbj_id,
                      'sample_audvis_raw.fif')
  
  
  def test_LFComputation():
      """Test LF interface."""
  
      lf_node = pe.Node(interface=LFComputation(), name='LF')
      lf_node.inputs.sbj_id = 'sample'
      lf_node.inputs.subjects_dir = subjects_dir
      lf_node.inputs.raw_fname = raw_fname
      lf_node.inputs.spacing = 'oct-6'
  
      lf_node.run()
  
subject: add test for LF_computation IF