old_contents: import unittest
  
  import importlib_resources as resources
  from . import data01
  from . import util
  
  
  class CommonTests(util.CommonTests, unittest.TestCase):
  
      def execute(self, package, path):
          with resources.path(package, path):
              pass
  
  
  class PathTests:
  
      def test_reading(self):
          # Path should be readable.
          # Test also implicitly verifies the returned object is a pathlib.Path
          # instance.
          with resources.path(self.data, 'utf-8.file') as path:
              self.assertTrue(path.name.endswith("utf-8.file"), repr(path))
              # pathlib.Path.read_text() was introduced in Python 3.5.
              with path.open('r', encoding='utf-8') as file:
                  text = file.read()
              self.assertEqual('Hello, UTF-8 world!\n', text)
  
  
  class PathDiskTests(PathTests, unittest.TestCase):
      data = data01
  
  
  class PathZipTests(PathTests, util.ZipSetup, unittest.TestCase):
      def test_remove_in_context_manager(self):
          # It is not an error if the file that was temporarily stashed on the
          # file system is removed inside the `with` stanza.
          with resources.path(self.data, 'utf-8.file') as path:
              path.unlink()
  
  
  if __name__ == '__main__':
      unittest.main()
  
new_contents: import unittest
  
  import importlib_resources as resources
  from . import data01
  from . import util
  
  
  class CommonTests(util.CommonTests, unittest.TestCase):
  
      def execute(self, package, path):
          with resources.path(package, path):
              pass
  
  
  class PathTests:
  
      def test_reading(self):
          # Path should be readable.
          # Test also implicitly verifies the returned object is a pathlib.Path
          # instance.
          with resources.path(self.data, 'utf-8.file') as path:
              self.assertTrue(path.name.endswith("utf-8.file"), repr(path))
              # pathlib.Path.read_text() was introduced in Python 3.5.
              with path.open('r', encoding='utf-8') as file:
                  text = file.read()
              self.assertEqual('Hello, UTF-8 world!\n', text)
  
  
  class PathDiskTests(PathTests, unittest.TestCase):
      data = data01
  
      def test_natural_path(self):
          """
          Guarantee the internal implementation detail that
          file-system-backed resources do not get the tempdir
          treatment.
          """
          with resources.path(self.data, 'utf-8.file') as path:
              assert 'data' in str(path)
  
  
  class PathZipTests(PathTests, util.ZipSetup, unittest.TestCase):
      def test_remove_in_context_manager(self):
          # It is not an error if the file that was temporarily stashed on the
          # file system is removed inside the `with` stanza.
          with resources.path(self.data, 'utf-8.file') as path:
              path.unlink()
  
  
  if __name__ == '__main__':
      unittest.main()
  
subject: Add test capturing ensure-native-path