Lib/test/test_ttk/__init__.py

import os.path
import unittest
from test import support
from test.support import import_helper


if support.check_sanitizer(address=True, memory=True):
    raise unittest.SkipTest("Tests involving libX11 can SEGFAULT on ASAN/MSAN builds")

# Skip this test if _tkinter wasn't built.
import_helper.import_module('_tkinter')

# Skip test if tk cannot be initialized.
support.requires('gui')


import tkinter
from _tkinter import TclError
from tkinter import ttk


class TestModule(unittest.TestCase):
    def test_deprecated__version__(self):
        with self.assertWarnsRegex(
            DeprecationWarning,
            "'__version__' is deprecated and slated for removal in Python 3.20",
        ) as cm:
            getattr(ttk, "__version__")
        self.assertEqual(cm.filename, __file__)


def setUpModule():
    wantobjects = support.get_resource_value('wantobjects')
    if wantobjects is not None:
        unittest.enterModuleContext(
            support.swap_attr(tkinter, 'wantobjects', int(wantobjects)))
    root = None
    try:
        root = tkinter.Tk()
        button = ttk.Button(root)
        button.destroy()
        del button
    except TclError as msg:
        # assuming ttk is not available
        raise unittest.SkipTest("ttk not available: %s" % msg)
    finally:
        if root is not None:
            root.destroy()
        del root


def load_tests(*args):
    return support.load_package_tests(os.path.dirname(__file__), *args)