old_contents: #!/usr/bin/env python
  # -*- coding: utf-8 -*-
  
  """
  test_get_config
  ---------------
  
  Tests formerly known from a unittest residing in test_config.py named
  TestGetConfig.test_get_config
  TestGetConfig.test_get_config_does_not_exist
  TestGetConfig.test_invalid_config
  TestGetConfigWithDefaults.test_get_config_with_defaults
  """
  
  import os
  import pytest
  
  from cookiecutter import config
  from cookiecutter.exceptions import (
      ConfigDoesNotExistException, InvalidConfiguration
  )
  
  
  def test_get_config():
      """
      Opening and reading config file
      """
      conf = config.get_config('tests/test-config/valid-config.yaml')
      expected_conf = {
          'cookiecutters_dir': '/home/example/some-path-to-templates',
          'default_context': {
              'full_name': 'Firstname Lastname',
              'email': 'firstname.lastname@gmail.com',
              'github_username': 'example'
          }
      }
      assert conf == expected_conf
  
  
  def test_get_config_does_not_exist():
      """
      Check that `exceptions.ConfigDoesNotExistException` is raised when
      attempting to get a non-existent config file.
      """
      with pytest.raises(ConfigDoesNotExistException):
          config.get_config('tests/test-config/this-does-not-exist.yaml')
  
  
  def test_invalid_config():
      """
      An invalid config file should raise an `InvalidConfiguration` exception.
      """
      with pytest.raises(InvalidConfiguration):
          config.get_config('tests/test-config/invalid-config.yaml')
  
  
  def test_get_config_with_defaults():
      """
      A config file that overrides 1 of 2 defaults
      """
      conf = config.get_config('tests/test-config/valid-partial-config.yaml')
      default_cookiecutters_dir = os.path.expanduser('~/.cookiecutters/')
      expected_conf = {
          'cookiecutters_dir': default_cookiecutters_dir,
          'default_context': {
              'full_name': 'Firstname Lastname',
              'email': 'firstname.lastname@gmail.com',
              'github_username': 'example'
          }
      }
      assert conf == expected_conf
  
new_contents: #!/usr/bin/env python
  # -*- coding: utf-8 -*-
  
  """
  test_get_config
  ---------------
  
  Tests formerly known from a unittest residing in test_config.py named
  TestGetConfig.test_get_config
  TestGetConfig.test_get_config_does_not_exist
  TestGetConfig.test_invalid_config
  TestGetConfigWithDefaults.test_get_config_with_defaults
  """
  
  import os
  import pytest
  
  from cookiecutter import config
  from cookiecutter.exceptions import (
      ConfigDoesNotExistException, InvalidConfiguration
  )
  
  
  def test_get_config():
      """
      Opening and reading config file
      """
      conf = config.get_config('tests/test-config/valid-config.yaml')
      expected_conf = {
          'cookiecutters_dir': '/home/example/some-path-to-templates',
          'replay_dir': '/home/example/some-path-to-replay-files',
          'default_context': {
              'full_name': 'Firstname Lastname',
              'email': 'firstname.lastname@gmail.com',
              'github_username': 'example'
          }
      }
      assert conf == expected_conf
  
  
  def test_get_config_does_not_exist():
      """
      Check that `exceptions.ConfigDoesNotExistException` is raised when
      attempting to get a non-existent config file.
      """
      with pytest.raises(ConfigDoesNotExistException):
          config.get_config('tests/test-config/this-does-not-exist.yaml')
  
  
  def test_invalid_config():
      """
      An invalid config file should raise an `InvalidConfiguration` exception.
      """
      with pytest.raises(InvalidConfiguration):
          config.get_config('tests/test-config/invalid-config.yaml')
  
  
  def test_get_config_with_defaults():
      """
      A config file that overrides 1 of 2 defaults
      """
      conf = config.get_config('tests/test-config/valid-partial-config.yaml')
      default_cookiecutters_dir = os.path.expanduser('~/.cookiecutters/')
      expected_conf = {
          'cookiecutters_dir': default_cookiecutters_dir,
          'default_context': {
              'full_name': 'Firstname Lastname',
              'email': 'firstname.lastname@gmail.com',
              'github_username': 'example'
          }
      }
      assert conf == expected_conf
  
subject: Update test_get_config