Function test_override_default_instance

tests/test_traitlets.py:2874–2884

()

def test_override_default_instance():
    class C(HasTraits):
        a = Unicode("hard default")

        @default("a")
        def _a_default(self):
            return "default method"

    c = C()
    c._a_default = lambda self: "overridden"
    assert c.a == "overridden"


def test_copy_HasTraits():