old_contents: #!/usr/bin/env python
  # vim: fdm=indent
  '''
  author:     Fabio Zanini
  date:       07/08/17
  content:    Test Dataset class.
  '''
  import sys
  import numpy as np
  import pytest
  
  
  @pytest.fixture(scope="module")
  def ds():
      from singlet.dataset import Dataset
      dset = Dataset(
              samplesheet='example_sheet_tsv',
              counts_table='example_table_tsv')
  
      dset.counts.exclude_features(spikeins=True, other=True, inplace=True)
      return dset
  
  
  def test_unique(ds):
      print('Test feature selection by expression')
      res = ds.feature_selection.unique()
      assert(res[0] == 'TSPAN6')
      print('Done!')
  
  
  def test_expression(ds):
      print('Test feature selection by expression')
      res = ds.feature_selection.expressed(n_samples=1, exp_min=1)
      assert(res[0] == 'TSPAN6')
      print('Done!')
  
  
  def test_expression_inplace(ds):
      print('Test feature selection by expression, in place')
      dsp = ds.copy()
      dsp.feature_selection.expressed(n_samples=1, exp_min=1, inplace=True)
      assert(dsp.featurenames[0] == 'TSPAN6')
      print('Done!')
  
  
  def test_overdispersed_strata(ds):
      print('Test feature selection by overdispersed strata')
      res = ds.feature_selection.overdispersed_strata()
      assert(res[-1] == 'FTL')
      print('Done!')
  
  
  def test_overdispersed_strata_inplace(ds):
      print('Test feature selection by overdispersed strata, in place')
      dsp = ds.copy()
      dsp.feature_selection.overdispersed_strata(inplace=True)
      assert(dsp.featurenames[-1] == 'FTL')
      print('Done!')
  
  
  @pytest.mark.xfail(True, reason='SAM has fragile deps and APIs')
  def test_selfassemblingmanifolds(ds):
      print('Test feature weight by self assembling manifolds')
      dsp = ds.copy()
      sam = dsp.feature_selection.sam(npcs=3)
      weights = sam.output_vars['gene_weights']
      print('Done!')
  
new_contents: #!/usr/bin/env python
  # vim: fdm=indent
  '''
  author:     Fabio Zanini
  date:       07/08/17
  content:    Test Dataset class.
  '''
  import sys
  import numpy as np
  import pytest
  
  
  @pytest.fixture(scope="module")
  def ds():
      from singlet.dataset import Dataset
      dset = Dataset(
              samplesheet='example_sheet_tsv',
              counts_table='example_table_tsv')
  
      dset.counts.exclude_features(spikeins=True, other=True, inplace=True)
      return dset
  
  
  def test_unique(ds):
      print('Test feature selection by expression')
      res = ds.feature_selection.unique()
      assert('TSPAN6' in res[0])
      print('Done!')
  
  
  def test_expression(ds):
      print('Test feature selection by expression')
      res = ds.feature_selection.expressed(n_samples=1, exp_min=1)
      assert(res[0] == 'TSPAN6')
      print('Done!')
  
  
  def test_expression_inplace(ds):
      print('Test feature selection by expression, in place')
      dsp = ds.copy()
      dsp.feature_selection.expressed(n_samples=1, exp_min=1, inplace=True)
      assert(dsp.featurenames[0] == 'TSPAN6')
      print('Done!')
  
  
  def test_overdispersed_strata(ds):
      print('Test feature selection by overdispersed strata')
      res = ds.feature_selection.overdispersed_strata()
      assert(res[-1] == 'FTL')
      print('Done!')
  
  
  def test_overdispersed_strata_inplace(ds):
      print('Test feature selection by overdispersed strata, in place')
      dsp = ds.copy()
      dsp.feature_selection.overdispersed_strata(inplace=True)
      assert(dsp.featurenames[-1] == 'FTL')
      print('Done!')
  
  
  @pytest.mark.xfail(True, reason='SAM has fragile deps and APIs')
  def test_selfassemblingmanifolds(ds):
      print('Test feature weight by self assembling manifolds')
      dsp = ds.copy()
      sam = dsp.feature_selection.sam(npcs=3)
      weights = sam.output_vars['gene_weights']
      print('Done!')
  
subject: Fix in test for unique features