def test_not_sent_until_permitted(self):
i = DeferredIOWorker(IOWorker(), DeferredIOWorkerTest.call_later)
i.send("foo")
self.assertFalse(i._io_worker._ready_to_send)
self.assertFalse(i._send_queue.empty())
i.permit_send()
self.assertTrue(i._send_queue.empty())
i._io_worker._consume_send_buf(3)
self.assertFalse(i._io_worker._ready_to_send)
def test_not_received_until_permitted(self):
i = DeferredIOWorker(IOWorker(), DeferredIOWorkerTest.call_later)
self.data = None
def d(worker):
self.data = worker.peek_receive_buf()
i.set_receive_handler(d)
i._io_worker._push_receive_data("bar")
self.assertEqual(self.data, None)
i.permit_receive()
self.assertEqual(self.data, "bar")
# d does not consume the data
i._io_worker._push_receive_data("hepp")
i.permit_receive()
self.assertEqual(self.data, "barhepp")
def test_receive_consume(self):
i = DeferredIOWorker(IOWorker(), DeferredIOWorkerTest.call_later)
self.data = None
def consume(worker):
self.data = worker.peek_receive_buf()
worker.consume_receive_buf(len(self.data))
i.set_receive_handler(consume)
i._io_worker._push_receive_data("bar")
self.assertEqual(self.data, None)
i.permit_receive()
self.assertEqual(self.data, "bar")
# data has been consumed
i._io_worker._push_receive_data("hepp")
i.permit_receive()
self.assertEqual(self.data, "hepp")
