def setUp(self):
     self.callback_result = 0
     self.callback_value = ''
     meta = VMeta("meta for unit tests")
     self.proc = MagicMock(q=queue.Queue())
     self.proc.create_queue = MagicMock(side_effect=queue.Queue)
     self.block = Block()
     self.block.set_parent(self.proc, "testBlock")
     self.attr = meta.make_attribute()
     self.attr.set_parent(self.block, "testAttr")
     self.attr2 = meta.make_attribute()
     self.attr2.set_parent(self.block, "testAttr2")
     self.method = MethodMeta("method for unit tests")
     self.method.set_parent(self.block, "testFunc")
     self.method2 = MethodMeta("method for unit tests")
     self.method2.set_parent(self.block, "testFunc")
     self.bad_called_back = False