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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!
"""
Test the initialization of a Datetime when given minimum and maximum
dates in the DatetimeEditor
"""
from datetime import datetime, timedelta
import unittest
from traits.has_traits import HasTraits
from traits.trait_types import Datetime
from traitsui.editors.datetime_editor import DatetimeEditor
from traitsui.item import Item
from traitsui.view import View
from traitsui.tests._tools import (
BaseTestMixin,
create_ui,
requires_toolkit,
reraise_exceptions,
ToolkitName,
)
MAX_DATE = datetime.now()
MIN_DATE = MAX_DATE - timedelta(days=10)
DATE = MAX_DATE - timedelta(days=5)
class DatetimeInitDailog(HasTraits):
date = Datetime(allow_none=True)
def _date_default(self):
return DATE
traits_view = View(Item('date',
editor=DatetimeEditor(
maximum_datetime=MAX_DATE,
minimum_datetime=MIN_DATE)))
class TestDatetimeEditor(BaseTestMixin, unittest.TestCase):
def setUp(self):
BaseTestMixin.setUp(self)
def tearDown(self):
BaseTestMixin.tearDown(self)
@requires_toolkit([ToolkitName.qt])
def test_date_initialization(self):
# Behavior: for a date initialized between maximum and minimum dates in
# DatetimeEditor, that date should be unmodified
dialog = DatetimeInitDailog()
# verify that the date is correctly initialized
self.assertEqual(dialog.date, DATE)
with reraise_exceptions(), create_ui(dialog) as ui:
# verify that the date hasn't changed after creating the ui
self.assertEqual(dialog.date, DATE)
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