upstream/ipython Files · IPython/core/tests/test_page.py

`AssertionError`: `assert _xterm_term_title_saved` in WSL (#14480)...

`AssertionError`: `assert _xterm_term_title_saved` in WSL (#14480) `AssertionError`: `assert _xterm_term_title_saved` In some (unknown) situation, it is possible that the `_xterm_term_title_saved` is unset, but the code would make a call to `_restore_term_title_xterm`, resulting in `AssertionError`. At least on replicatable reproduction is returning from `ipython` to `pudb` via `^D^D` on an empty cell. See more details in https://github.com/ipython/ipython/pull/14480 Signed-off-by: Stavros Ntentos <133706+stdedos@users.noreply.github.com> <details> <summary><em>was:</em></summary> In some (unknown) situation, it is possible that the `_xterm_term_title_saved` is unset, but the code would make a call to `_restore_term_title_xterm`, resulting in `AssertionError`. As title stacking does not seem to be getting traction (https://github.com/microsoft/terminal/issues/14575), do not set the `xterm` variants of `_set_term_title` / `_restore_term_title`. WSL detection: https://superuser.com/a/1749811/533196 Additionally, almost-`black` the file. </details>

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

      #  Copyright (C) 2010-2011 The IPython Development Team.

      #

      #  Distributed under the terms of the BSD License.

      #

      #  The full license is in the file COPYING.txt, distributed with this software.

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

      import io

      # N.B. For the test suite, page.page is overridden (see IPython.testing.globalipapp)

      from IPython.core import page

      def test_detect_screen_size():

          """Simple smoketest for page._detect_screen_size."""

          try:

              page._detect_screen_size(True, 25)

          except (TypeError, io.UnsupportedOperation):

              # This can happen in the test suite, because stdout may not have a

              # fileno.

              pass

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				#-----------------------------------------------------------------------------
				# Copyright (C) 2010-2011 The IPython Development Team.
				#
				# Distributed under the terms of the BSD License.
				#
				# The full license is in the file COPYING.txt, distributed with this software.
				#-----------------------------------------------------------------------------
				import io

				# N.B. For the test suite, page.page is overridden (see IPython.testing.globalipapp)
				from IPython.core import page

				def test_detect_screen_size():
				"""Simple smoketest for page._detect_screen_size."""
				try:
				page._detect_screen_size(True, 25)
				except (TypeError, io.UnsupportedOperation):
				# This can happen in the test suite, because stdout may not have a
				# fileno.
				pass