def test_that_signal_is_not_sent_if_item_updated_to_same_value(self):
context = MuonGuiContext()
observer = Observer()
observer.update = mock.MagicMock()
context.add_subscriber(observer)
context.update({'FirstGoodData': 12.0})
context.update_and_send_signal(FirstGoodData=12.0)
observer.update.assert_not_called()
def test_that_signal_is_not_sent_if_item_updated_to_same_value(self):
context = MuonGuiContext()
observer = Observer()
observer.update = mock.MagicMock()
context.add_subscriber(observer)
context.update({'FirstGoodData': 12.0})
context.update_and_send_signal(FirstGoodData=12.0)
observer.update.assert_not_called()
def test_that_signal_is_sent_when_item_updates(self):
context = MuonGuiContext()
observer = Observer()
observer.update = mock.MagicMock()
context.add_subscriber(observer)
context.update_and_send_signal(FirstGoodData=12.0)
observer.update.assert_called_once_with(context.gui_variables_notifier, {'FirstGoodData': 12.0})
def test_that_signal_is_sent_when_item_updates(self):
context = MuonGuiContext()
observer = Observer()
observer.update = mock.MagicMock()
context.add_subscriber(observer)
context.update_and_send_signal(FirstGoodData=12.0)
observer.update.assert_called_once_with(context.gui_variables_notifier, None)