def test_function_dead(self):
def func(arg):
return arg * 2
f = weak_method.WeakCallable(func)
self.assertFalse(f.dead())
del func
self.assertTrue(f.dead())
def test_weakref_function(self):
def func(arg):
return arg * 2
f = weak_method.WeakCallable(func)
self.assertEqual(f(1234), 2468)
del func
self.assertRaises(TypeError, f, 1234)
def test_weakref_function(self):
def func(arg):
return arg * 2
f = weak_method.WeakCallable(func)
self.assertEqual(f(1234), 2468)
del func
self.assertRaises(InvalidCallbackException, f, 1234)
def deregister_callback(self, function):
comparable_unwrapped = function
comparable_wrapped = weak_method.WeakCallable(function)
to_remove = [(callback, params)
for callback, params in self._callbacks_with_params
if (callback == comparable_unwrapped
or callback == comparable_wrapped)]
for pair in to_remove:
self._callbacks_with_params.remove(pair)
def test_method_dead(self):
class Test(object):
def func(self, arg):
return arg * 2
instance = Test()
f = weak_method.WeakCallable(instance.func)
self.assertFalse(f.dead())
del instance
self.assertTrue(f.dead())
def test_weakref_method(self):
class Test(object):
def func(self, arg):
return arg * 2
instance = Test()
f = weak_method.WeakCallable(instance.func)
self.assertEqual(f(1234), 2468)
del instance
self.assertRaises(TypeError, f, 1234)
def test_deregister_callback_wrapped(self):
command_class = CTICommandClass(self.class_name, None, None)
command = command_class.from_dict({'class': 'callback_test'})
function_1 = lambda: None
function_2 = lambda: None
command_class.register_callback_params(function_1)
command_class.register_callback_params(function_2)
command_class.deregister_callback(command.callbacks_with_params()[0][0])
callbacks = command.callbacks_with_params()
self.assertEqual(len(callbacks), 1)
self.assertEqual(weak_method.WeakCallable(function_2), callbacks[0][0])
def register_callback_params(self, function, params=None):
if not params:
params = []
self._callbacks_with_params.append((weak_method.WeakCallable(function), params))
