def test_get_from_channel(self):
chan = Channel()
prom = chan.get()
chan.put(52)
chan.process()
self.assertTrue(prom.delivered)
self.assertEqual(prom.value, 52)
def test_put_into_channel(self):
chan = Channel()
prom = chan.put(10)
chan.process()
self.assertTrue(prom.delivered)
self.assertTrue(prom.value)