old_contents: from django.apps import apps
  
  from django_docutils.lib.fixtures.utils import (
      find_app_configs_with_fixtures,
      find_rst_files,
      find_rst_files_in_app,
      get_model_from_post_app,
  )
  
  
  def test_find_rst_files(tmpdir):
      tmpdir.join('hi.rst').write('')
      tmpdir.join('not_at_rst_file.html').write('')
      tmpdir.mkdir('wat')
      tmpdir.join('wat/moo.rst').write('')
      tmpdir.join('wat/another.rst').write('')
  
      assert ['./hi.rst'] == find_rst_files(str(tmpdir))
  
  
  def test_find_app_configs_with_fixtures(sample_app_config):
      assert sample_app_config in find_app_configs_with_fixtures()
  
  
  def test_find_rst_files_in_app(sample_app_config):
      assert './hi.rst' in find_rst_files_in_app(sample_app_config)
      assert '2017/06/04/moo.rst' not in find_rst_files_in_app(sample_app_config)
  
  
  def test_get_model_from_post_app():
      app = apps.get_app_config('test_app')
      assert get_model_from_post_app(app) == app.get_model('RSTPost')
  
new_contents: import py
  import pytest
  
  from django.apps import apps
  
  from django_docutils.lib.fixtures.tests.conftest import create_bare_app
  from django_docutils.lib.fixtures.utils import (
      find_app_configs_with_fixtures,
      find_rst_files,
      find_rst_files_in_app,
      get_model_from_post_app,
  )
  
  
  @pytest.fixture(scope='function')
  def bare_app_config_with_empty_fixture_dir(tmpdir_factory, request, settings):
      tmpdir = tmpdir_factory.mktemp('bare_project')
  
      app_config = create_bare_app(tmpdir, request, settings, 'app_with_empty_fixtures')
      sample_app_dir = py.path.local(app_config.path)
      sample_app_dir.ensure('fixtures', dir=True)
      yield app_config
  
  
  def test_find_rst_files(tmpdir):
      tmpdir.join('hi.rst').write('')
      tmpdir.join('not_at_rst_file.html').write('')
      tmpdir.mkdir('wat')
      tmpdir.join('wat/moo.rst').write('')
      tmpdir.join('wat/another.rst').write('')
  
      assert ['./hi.rst'] == find_rst_files(str(tmpdir))
  
  
  def test_find_app_configs_with_fixtures(sample_app_config):
      assert sample_app_config in find_app_configs_with_fixtures(has_rst_files=False)
  
  
  def test_find_app_configs_with_fixtures_with_rst_files(bare_app_config):
      assert bare_app_config not in find_app_configs_with_fixtures()
      assert bare_app_config not in find_app_configs_with_fixtures(has_rst_files=False)
      assert bare_app_config not in find_app_configs_with_fixtures(has_rst_files=True)
  
  
  def test_find_app_configs_with_fixtures_with_empty_fixtures_dir(
      bare_app_config_with_empty_fixture_dir,
  ):
      assert bare_app_config_with_empty_fixture_dir in find_app_configs_with_fixtures(
          has_rst_files=False
      )
      assert bare_app_config_with_empty_fixture_dir not in find_app_configs_with_fixtures(
          has_rst_files=True
      )
  
  
  def test_find_rst_files_in_app(sample_app_config):
      assert './hi.rst' in find_rst_files_in_app(sample_app_config)
      assert '2017/06/04/moo.rst' not in find_rst_files_in_app(sample_app_config)
  
  
  def test_get_model_from_post_app():
      app = apps.get_app_config('test_app')
      assert get_model_from_post_app(app) == app.get_model('RSTPost')
  
subject: Add tests for find_app_configs... changes