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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 cases for the Controller class.
"""
import unittest
from traits.api import HasTraits, Instance, Str
from traitsui.api import Controller
from traitsui.tests._tools import BaseTestMixin
class FooModel(HasTraits):
my_str = Str("hallo")
class FooController(Controller):
"""Test dialog that does nothing useful."""
model = Instance(FooModel)
def _model_default(self):
return FooModel(my_str="meh")
class TestController(BaseTestMixin, unittest.TestCase):
def setUp(self):
BaseTestMixin.setUp(self)
def tearDown(self):
BaseTestMixin.tearDown(self)
def test_construction(self):
# check default constructor.
dialog = FooController()
self.assertIsNotNone(dialog.model)
self.assertEqual(dialog.model.my_str, "meh")
# check initialization when `model` is explcitly passed in.
new_model = FooModel()
dialog = FooController(model=new_model)
self.assertIs(dialog.model, new_model)
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