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# (C) Copyright 2004-2023 Enthought, Inc., Austin, TX
# All rights reserved.
#
# This software is provided without warranty under the terms of the BSD
# license included in LICENSE.txt and may be redistributed only under
# the conditions described in the aforementioned license. The license
# is also available online at http://www.enthought.com/licenses/BSD.txt
#
# Thanks for using Enthought open source!
""" Tests for the ShadowGroup class.
"""
import unittest
from traitsui.api import Group
from traitsui.group import ShadowGroup
from traitsui.tests._tools import BaseTestMixin
class TestShadowGroup(BaseTestMixin, unittest.TestCase):
def setUp(self):
BaseTestMixin.setUp(self)
def tearDown(self):
BaseTestMixin.tearDown(self)
def test_creation_sets_shadow_first(self):
group = Group()
# We end up with a DelegationError if the 'shadow' trait is not set
# first. Initialization order is dependent on dictionary order, which
# we can't control, so we throw in a good number of other traits to
# increase the chance that some other trait is set first.
ShadowGroup(
label="dummy",
show_border=True,
show_labels=True,
show_left=True,
orientation="horizontal",
scrollable=True,
shadow=group,
)
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