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[3.15] gh-69134: Harden tkinter GUI tests that depend on a mapped widget (GH-152499) - #152516
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…et (pythonGH-152499) Add wait_until_mapped() and AbstractTkTest.require_mapped() to test_tkinter.support and use them to guard the assertions that need a widget to be actually mapped (winfo_width(), identify(), coords(), ...). This avoids intermittent failures under window managers that do not map the widget promptly, without skipping the unrelated checks. (cherry picked from commit 0fff6bd) Co-authored-by: Serhiy Storchaka <storchaka@gmail.com> Co-authored-by: Claude Opus 4.8 <noreply@anthropic.com>
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Add wait_until_mapped() and AbstractTkTest.require_mapped() to
test_tkinter.support and use them to guard the assertions that need a
widget to be actually mapped (winfo_width(), identify(), coords(), ...).
This avoids intermittent failures under window managers that do not map
the widget promptly, without skipping the unrelated checks.
(cherry picked from commit 0fff6bd)
Co-authored-by: Serhiy Storchaka storchaka@gmail.com
Co-authored-by: Claude Opus 4.8 noreply@anthropic.com