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gh-151678: Add tests for ttk Menubutton and OptionMenu widget options #151960

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Merged
serhiy-storchaka merged 1 commit into from
Jun 23, 2026
+48 −2
Merged

gh-151678: Add tests for ttk Menubutton and OptionMenu widget options #151960

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49 changes: 47 additions & 2 deletions Lib/test/test_ttk/test_extensions.py
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Original file line number Diff line number Diff line change
Expand Up @@ -4,10 +4,14 @@
from tkinter import ttk
from test.support import requires, gc_collect
from test.test_tkinter.support import setUpModule # noqa: F401
from test.test_tkinter.support import AbstractTkTest, AbstractDefaultRootTest
from test.test_tkinter.support import (AbstractTkTest, AbstractDefaultRootTest,
get_tk_patchlevel, widget_eq)

requires('gui')

from test.test_ttk import test_widgets


class LabeledScaleTest(AbstractTkTest, unittest.TestCase):

def tearDown(self):
Expand Down Expand Up @@ -193,7 +197,7 @@ def test_resize(self):
x.destroy()


class OptionMenuTest(AbstractTkTest, unittest.TestCase):
class OptionMenuTest(test_widgets.MenubuttonTest, unittest.TestCase):

def setUp(self):
super().setUp()
Expand All @@ -203,6 +207,47 @@ def tearDown(self):
del self.textvar
super().tearDown()

def create(self, default='b', values=('a', 'b', 'c'), **kwargs):
return ttk.OptionMenu(self.root, self.textvar, default, *values, **kwargs)

def test_bad_kwarg(self):
with self.assertRaisesRegex(tkinter.TclError, r"^unknown option -image$"):
ttk.OptionMenu(self.root, self.textvar, 'b', image='')

def test_configure_class(self):
# Unlike a plain Menubutton, OptionMenu does not accept a class at
# construction, so only the read-only nature of the option is tested.
widget = self.create()
self.assertEqual(widget['class'], '')
errmsg = 'attempt to change read-only option'
if get_tk_patchlevel(self.root) < (8, 6, 0, 'beta', 3):
errmsg = 'Attempt to change read-only option'
self.checkInvalidParam(widget, 'class', 'Foo', errmsg=errmsg)

def test_configure_style(self):
# Like Menubutton, but OptionMenu does not accept a class at
# construction, so the custom-class part of the standard test is omitted.
widget = self.create()
self.assertEqual(widget['style'], '')
self.checkInvalidParam(widget, 'style', 'Foo',
errmsg='Layout Foo not found')
style = ttk.Style(self.root)
style.configure('Custom.TMenubutton')
self.checkParam(widget, 'style', 'Custom.TMenubutton')

def test_configure_menu(self):
# OptionMenu manages its own menu; ['menu'] returns that Menu widget.
widget = self.create()
self.assertIsInstance(widget['menu'], tkinter.Menu)
self.checkParam(widget, 'menu', widget['menu'], eq=widget_eq)

def test_configure_text(self):
# The displayed text is governed by the textvariable.
widget = self.create()
self.textvar.set('a')
self.assertEqual(widget['text'], 'a')
self.textvar.set('c')
self.assertEqual(widget['text'], 'c')

def test_widget_destroy(self):
var = tkinter.StringVar(self.root)
Expand Down
1 change: 1 addition & 0 deletions Lib/test/test_ttk/test_widgets.py
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Original file line number Diff line number Diff line change
Expand Up @@ -789,6 +789,7 @@ def cb_test():
self.assertEqual(str(cbtn['variable']), str(cbtn2['variable']))


@add_configure_tests(StandardTtkOptionsTests)
class MenubuttonTest(AbstractLabelTest, unittest.TestCase):
OPTIONS = (
'class', 'compound', 'cursor', 'direction',
Expand Down
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