import unittest from common import gobject, testhelper GUnknown = gobject.type_from_name("TestUnknown") Unknown = GUnknown.pytype class MyUnknown(Unknown, testhelper.Interface): some_property = gobject.property(type=str) def __init__(self): Unknown.__init__(self) self.called = False def do_iface_method(self): self.called = True Unknown.do_iface_method(self) gobject.type_register(MyUnknown) class MyObject(gobject.GObject, testhelper.Interface): some_property = gobject.property(type=str) def __init__(self): gobject.GObject.__init__(self) self.called = False def do_iface_method(self): self.called = True gobject.type_register(MyObject) class TestIfaceImpl(unittest.TestCase): def testReImplementInterface(self): m = MyUnknown() m.iface_method() self.assertEqual(m.called, True) def testImplementInterface(self): m = MyObject() m.iface_method() self.assertEqual(m.called, True)