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Tkinter tests that fail on linux in tiling window manager · Issue #69134 · python/cpython · GitHub

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Tkinter tests that fail on linux in tiling window manager #69134

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Tkinter tests that fail on linux in tiling window manager#69134
Labels
topic-tkintertype-bugAn unexpected behavior, bug, or error

Description

terryjreedy
opened on Aug 27, 2015
BPO 24946
Nosy @terryjreedy, @serhiy-storchaka, @The-Compiler

Note: these values reflect the state of the issue at the time it was migrated and might not reflect the current state.

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GitHub fields:

assignee = None
closed_at = None
created_at = <Date 2015-08-27.16:44:16.845>
labels = ['type-bug', 'expert-tkinter']
title = 'Tkinter tests that fail on linux in tiling window manager'
updated_at = <Date 2015-09-01.09:25:19.131>
user = 'https://github.com/terryjreedy'

bugs.python.org fields:

activity = <Date 2015-09-01.09:25:19.131>
actor = 'The Compiler'
assignee = 'none'
closed = False
closed_date = None
closer = None
components = ['Tkinter']
creation = <Date 2015-08-27.16:44:16.845>
creator = 'terry.reedy'
dependencies = []
files = []
hgrepos = []
issue_num = 24946
keywords = []
message_count = 3.0
messages = ['249237', '249285', '249472']
nosy_count = 3.0
nosy_names = ['terry.reedy', 'serhiy.storchaka', 'The Compiler']
pr_nums = []
priority = 'normal'
resolution = None
stage = 'test needed'
status = 'open'
superseder = None
type = 'behavior'
url = 'https://bugs.python.org/issue24946'
versions = ['Python 3.4', 'Python 3.5', 'Python 3.6']

Linked PRs

Activity

  1. terryjreedy commented on Aug 27, 2015

    terryjreedy
    on Aug 27, 2015
    MemberAuthor

    Serhiy, Florian emailed this to me in response to my pydev post on Linux gui tests. I'll let you decide if you think anything needs to be done.

    >>>>>>from Florian
    FWIW, those tests seem to fail when using a tiling window manager
    (herbstluftwm):

    ======================================================================
    FAIL: test_pack_configure_anchor (tkinter.test.test_tkinter.test_geometry_managers.PackTest)
    ----------------------------------------------------------------------

    Traceback (most recent call last):
  File "/usr/lib/python3.4/tkinter/test/test_tkinter/test_geometry_managers.py", line 48, in test_pack_configure_anchor
    check('n', '30x70+135+20')
  File "/usr/lib/python3.4/tkinter/test/test_tkinter/test_geometry_managers.py", line 47, in check
    self.assertEqual(a.winfo_geometry(), geom)
AssertionError: '30x70+210+20' != '30x70+135+20'
- 30x70+210+20
?       - ^
+ 30x70+135+20
?        ^^

    ======================================================================
    FAIL: test_pack_configure_expand (tkinter.test.test_tkinter.test_geometry_managers.PackTest)
    ----------------------------------------------------------------------

    Traceback (most recent call last):
  File "/usr/lib/python3.4/tkinter/test/test_tkinter/test_geometry_managers.py", line 86, in test_pack_configure_expand
    check('20x40+0+80', '50x30+135+0', '80x80+220+75', '40x30+100+170')
  File "/usr/lib/python3.4/tkinter/test/test_tkinter/test_geometry_managers.py", line 78, in check
    self.assertEqual(a.winfo_geometry(), geoms[0])
AssertionError: '20x40+0+102' != '20x40+0+80'
- 20x40+0+102
?         ^ -
+ 20x40+0+80
?         ^

    ======================================================================
    FAIL: test_pack_configure_padx_ipadx_fill (tkinter.test.test_tkinter.test_geometry_managers.PackTest)
    ----------------------------------------------------------------------

    Traceback (most recent call last):
  File "/usr/lib/python3.4/tkinter/test/test_tkinter/test_geometry_managers.py", line 125, in test_pack_configure_padx_ipadx_fill
    check('20x40+260+80', '240x200+0+0', side='right', padx=20)
  File "/usr/lib/python3.4/tkinter/test/test_tkinter/test_geometry_managers.py", line 123, in check
    self.assertEqual(a.winfo_geometry(), geom1)
AssertionError: '20x40+412+102' != '20x40+260+80'
- 20x40+412+102
+ 20x40+260+80

    ======================================================================
    FAIL: test_pack_configure_pady_ipady_fill (tkinter.test.test_tkinter.test_geometry_managers.PackTest)
    ----------------------------------------------------------------------

    Traceback (most recent call last):
  File "/usr/lib/python3.4/tkinter/test/test_tkinter/test_geometry_managers.py", line 167, in test_pack_configure_pady_ipady_fill
    check('20x40+280+80', '280x200+0+0', side='right', pady=20)
  File "/usr/lib/python3.4/tkinter/test/test_tkinter/test_geometry_managers.py", line 165, in check
    self.assertEqual(a.winfo_geometry(), geom1)
AssertionError: '20x40+432+102' != '20x40+280+80'
- 20x40+432+102
+ 20x40+280+80

    ======================================================================
    FAIL: test_pack_configure_side (tkinter.test.test_tkinter.test_geometry_managers.PackTest)
    ----------------------------------------------------------------------

    Traceback (most recent call last):
  File "/usr/lib/python3.4/tkinter/test/test_tkinter/test_geometry_managers.py", line 208, in test_pack_configure_side
    check('top', '20x40+140+0', '300x160+0+40')
  File "/usr/lib/python3.4/tkinter/test/test_tkinter/test_geometry_managers.py", line 206, in check
    self.assertEqual(a.winfo_geometry(), geom1)
AssertionError: '20x40+216+0' != '20x40+140+0'
- 20x40+216+0
?       - ^
+ 20x40+140+0
?        ^^

    They however run fine in floating mode, so I'm guessing this is just a
    limitation of those tests.

  2. terryjreedy
    added
    topic-tkinter
    type-bugAn unexpected behavior, bug, or error
    on Aug 27, 2015

  3. serhiy-storchaka commented on Aug 28, 2015

    serhiy-storchaka
    on Aug 28, 2015
    Member

    I already added a workaround to pass these tests on my netbook (new windows are opened maximized on it). May be there is a way to make a window floating in tiled window manager in Tk.

  4. The-Compiler commented on Sep 1, 2015

    The-Compilermannequin
    on Sep 1, 2015
    Mannequin

    At least with my WM, there is no concept of having floating windows when in tiling mode, so I don't think that would be possible.

    I also don't think there's a standard way to tell a window manager to not tile windows.

    What about opening a simple window with a fixed geometry, checking if this was changed by the WM, and if it is, skip those tests?

  5. ezio-melotti
    transferred this issue fromon Apr 10, 2022
  6. serhiy-storchaka
    added 11 commits that reference this issue on Jun 28, 2026

    gh-69134: Harden tkinter GUI tests that depend on a mapped widget (GH…

    0fff6bd

    [3.14] gh-69134: Harden tkinter GUI tests that depend on a mapped wid…

    7d6fc2b

    [3.13] gh-69134: Harden tkinter GUI tests that depend on a mapped wid…

    7c6d529

    [3.15] gh-69134: Harden tkinter GUI tests that depend on a mapped wid…

    9bea12a

    gh-69134: Wait until mapped in keyboard virtual-event tests (GH-152599)

    be4eebb

    [3.13] gh-69134: Wait until mapped in keyboard virtual-event tests (G…

    b066cd5

    [3.15] gh-69134: Wait until mapped in keyboard virtual-event tests (G…

    05cf007

    [3.14] gh-69134: Wait until mapped in keyboard virtual-event tests (G…

    f5969e7

    pythongh-69134: Wait until mapped in SimpleDialog keyboard tests

    99cf022

    pythongh-69134: Wait until mapped in SimpleDialog keyboard tests

    1b5a7b2

    gh-69134: Wait until mapped in SimpleDialog keyboard tests (GH-152690)

    7d619c2

  7. serhiy-storchaka commented on Jul 5, 2026

    serhiy-storchaka
    on Jul 5, 2026
    Member

    The GUI tests that assumed a window is mapped immediately with a usable geometry now go through require_mapped() / wait_until_mapped() (in test.test_tkinter.support), which waits for the window manager to map the window and skips cleanly when it won't — so they no longer fail under tiling WMs like herbstluftwm. Done across #152499, #152599 and #152690. Closing as fixed — thanks for the report!

  8. serhiy-storchaka
    closed this as completedon Jul 5, 2026
  9. serhiy-storchaka
    added 3 commits that reference this issue on Jul 5, 2026

    [3.13] gh-69134: Wait until mapped in SimpleDialog keyboard tests (GH…

    18735fd

    [3.14] gh-69134: Wait until mapped in SimpleDialog keyboard tests (GH…

    8486016

    [3.15] gh-69134: Wait until mapped in SimpleDialog keyboard tests (GH…

    0416fcd

  10. serhiy-storchaka commented on Jul 9, 2026

    serhiy-storchaka
    on Jul 9, 2026
    Member

    NotebookTest.test_traversal wasn't covered by GH-152499 and still fails intermittently on a real X11 display: identify(5, 5) is called before the notebook reaches its requested size, so the pixel lands outside the first tab and returns ''. Reopening to harden it.

  11. serhiy-storchaka
    reopened this on Jul 9, 2026
  12. serhiy-storchaka
    added 3 commits that reference this issue on Jul 9, 2026

    gh-69134: Harden NotebookTest.test_traversal (GH-153403)

    53b0498

    [3.14] gh-69134: Harden NotebookTest.test_traversal (GH-153403) (GH-1…

    ae00bce

    [3.15] gh-69134: Harden NotebookTest.test_traversal (GH-153403) (GH-1…

    7307d77
  13. serhiy-storchaka
    closed this as completedon Jul 9, 2026
  14. serhiy-storchaka
    added a commit that references this issue on Jul 10, 2026

    [3.13] gh-69134: Harden NotebookTest.test_traversal (GH-153403) (GH-1…

    2546886
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