def test_set_and_get_default_value(self):
trait = CTrait(TraitKind.trait)
trait.set_default_value(DefaultValue.constant, 2.3)
self.assertEqual(trait.default_value(), (DefaultValue.constant, 2.3))
trait.set_default_value(DefaultValue.list_copy, [1, 2, 3])
self.assertEqual(trait.default_value(),
(DefaultValue.list_copy, [1, 2, 3]))
def test_default_value_for_set_is_deprecated(self):
trait = CTrait(TraitKind.trait)
with warnings.catch_warnings(record=True) as warn_msgs:
warnings.simplefilter("always", DeprecationWarning)
trait.default_value(DefaultValue.constant, 3.7)
self.assertEqual(len(warn_msgs), 1)
warn_msg = warn_msgs[0]
self.assertIn(
"default_value method with arguments is deprecated",
str(warn_msg.message),
)
_, _, this_module = __name__.rpartition(".")
self.assertIn(this_module, warn_msg.filename)
def test_initial_default_value(self):
trait = CTrait(TraitKind.trait)
self.assertEqual(
trait.default_value(),
(DefaultValue.constant, None),
)