upstream/ipython Files · IPython/utils/tests/test_tempdir.py

Replace usage of os.devnull with subprocess.DEVNULL (#13932)...

Replace usage of os.devnull with subprocess.DEVNULL (#13932) Refactoring one file in the latex library Closes https://github.com/ipython/ipython/issues/13906 # Code changes Replaced one occurence of `open(os.devnull)` with using directly the `subprocess.DEVNULL` special value, removing a with/open block along the way. # User-facing changes None

Nikita Kniazev - - Load All Authors

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             test_tempdir.py
        
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      #-----------------------------------------------------------------------------

      #  Copyright (C) 2012-  The IPython Development Team

      #

      #  Distributed under the terms of the BSD License.  The full license is in

      #  the file COPYING, distributed as part of this software.

      #-----------------------------------------------------------------------------

      from pathlib import Path

      from IPython.utils.tempdir import NamedFileInTemporaryDirectory

      from IPython.utils.tempdir import TemporaryWorkingDirectory

      def test_named_file_in_temporary_directory():

          with NamedFileInTemporaryDirectory('filename') as file:

              name = file.name

              assert not file.closed

              assert Path(name).exists()

              file.write(b'test')

          assert file.closed

          assert not Path(name).exists()

      def test_temporary_working_directory():

          with TemporaryWorkingDirectory() as directory:

              directory_path = Path(directory).resolve()

              assert directory_path.exists()

              assert Path.cwd().resolve() == directory_path

          assert not directory_path.exists()

          assert Path.cwd().resolve() != directory_path

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				#-----------------------------------------------------------------------------
				# Copyright (C) 2012- The IPython Development Team
				#
				# Distributed under the terms of the BSD License. The full license is in
				# the file COPYING, distributed as part of this software.
				#-----------------------------------------------------------------------------

				from pathlib import Path

				from IPython.utils.tempdir import NamedFileInTemporaryDirectory
				from IPython.utils.tempdir import TemporaryWorkingDirectory


				def test_named_file_in_temporary_directory():
				with NamedFileInTemporaryDirectory('filename') as file:
				name = file.name
				assert not file.closed
				assert Path(name).exists()
				file.write(b'test')
				assert file.closed
				assert not Path(name).exists()

				def test_temporary_working_directory():
				with TemporaryWorkingDirectory() as directory:
				directory_path = Path(directory).resolve()
				assert directory_path.exists()
				assert Path.cwd().resolve() == directory_path
				assert not directory_path.exists()
				assert Path.cwd().resolve() != directory_path