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# (C) Copyright 2005-2023 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!
"""
Unit tests to ensure that we can call reset_traits/delete on a
property trait (regression tests for Github issue #67).
"""
import unittest
from traits.api import Any, HasTraits, Int, Property, TraitError
class E(HasTraits):
a = Property(Any)
b = Property(Int)
class TestPropertyDelete(unittest.TestCase):
def test_property_delete(self):
e = E()
with self.assertRaises(TraitError):
del e.a
with self.assertRaises(TraitError):
del e.b
def test_property_reset_traits(self):
e = E()
unresetable = e.reset_traits()
self.assertCountEqual(unresetable, ["a", "b"])
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