def test_attach_signal(self):
dblock = DBlock('SinMit_f1')
ds_1 = DSignal(CORE_TIME_SIGNAL)
ds_2 = DSignal('f1_1')
dblock.add_signal(ds_1)
dblock.add_signal(ds_2)
subscription = DSubscription(dblock)
self.assertTrue(subscription.add_signal(ds_1))
self.assertIn(ds_1, subscription.get_signals())
self.assertFalse(subscription.add_signal(ds_1))
def test_remove_signal(self):
dblock = DBlock('SinMit_f1')
ds_1 = DSignal(CORE_TIME_SIGNAL)
dblock.add_signal(ds_1)
subscription = DSubscription(dblock)
subscription.add_signal(ds_1)
self.assertTrue(subscription.rm_signal(ds_1))
self.assertNotIn(ds_1, subscription.get_signals())
self.assertTrue(subscription.add_signal(ds_1))
