old_contents: #!/usr/bin/env python
  # -*- coding: utf-8 -*-
  
  """
  test_gitgoing
  ----------------------------------
  
  Tests for `gitgoing` module.
  """
  
  import unittest
  
  from gitgoing import gitgoing
  
  
  class TestGitgoing(unittest.TestCase):
  
      def setUp(self):
          pass
  
      def test_something(self):
          pass
  
      def tearDown(self):
          pass
  
  if __name__ == '__main__':
      unittest.main()
  
new_contents: #!/usr/bin/env python
  # -*- coding: utf-8 -*-
  
  """
  test_gitgoing
  ----------------------------------
  
  Tests for `gitgoing` module.
  """
  
  import numpy as np
  import pytest
  
  @pytest.fixture
  def n_rows():
      return 20
  
  @pytest.fixture
  def n_cols():
      return 10
  
  @pytest.fixture
  def x_norm(n_rows, n_cols):
      return np.random.randn(n_rows, n_cols)
  
  def test_mean(x_norm):
      from gitgoing import mean
  
      test_mean = mean(x_norm)
      true_mean = np.mean(x_norm) + 1
      assert test_mean == true_mean
      
  def test_std(x_norm):
      from gitgoing import std
  
      test_std = std(x_norm)
      true_std = np.std(x_norm) + 1
      assert test_std == true_std
  
  def test_cv(x_norm):
      from gitgoing.gitgoing import std, mean, cv
  
      test_cv = cv(x_norm)
      true_cv = std(x_norm)/mean(x_norm)
  
      # This test will fail
      assert test_cv == true_cv
  
  @pytest.fixture(params=['soma', 'axon', 'synapse', 'dendrite',
                          pytest.mark.xfail('fibroblast')])
  def neuron_component(request):
      return request.param
  
  def test_is_neuron_component(neuron_component):
      from gitgoing import is_neuron_component, NEURON_COMPONENTS
  
      test_neuron_component = is_neuron_component(neuron_component)
      true_neuron_component = neuron_component in NEURON_COMPONENTS
      assert test_neuron_component == true_neuron_component
subject: Add tests!