def test_basic_send(self):
i = IOWorker()
i.send("foo")
self.assertTrue(i._ready_to_send)
self.assertEqual(i.send_buf, "foo")
i._consume_send_buf(3)
self.assertFalse(i._ready_to_send)
def test_not_sent_until_permitted(self):
i = DeferredIOWorker(IOWorker())
i.set_receive_handler(self.call_later)
i.block()
i.send("foo")
self.assertFalse(i._io_worker._ready_to_send)
self.assertFalse(i._send_queue.empty())
i.unblock()
self.assertTrue(i._send_queue.empty())
i._io_worker._consume_send_buf(3)
self.assertFalse(i._io_worker._ready_to_send)
def test_basic_receive(self):
i = IOWorker()
self.data = None
def d(worker):
self.data = worker.peek()
i.rx_handler = d
i._push_receive_data("bar")
self.assertEqual(self.data, "bar")
# d does not consume the data
i._push_receive_data("hepp")
self.assertEqual(self.data, "barhepp")
def test_receive_consume(self):
i = IOWorker()
self.data = None
def consume(worker):
self.data = worker.peek()
worker.consume_receive_buf(len(self.data))
i.rx_handler = consume
i._push_receive_data("bar")
self.assertEqual(self.data, "bar")
# data has been consumed
i._push_receive_data("hepp")
self.assertEqual(self.data, "hepp")
def test_receive_consume(self):
i = DeferredIOWorker(IOWorker())
i.set_receive_handler(self.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.block()
i._io_worker._push_receive_data("bar")
self.assertEqual(self.data, None)
i.unblock()
self.assertEqual(self.data, "bar")
# data has been consumed
i._io_worker._push_receive_data("hepp")
self.assertEqual(self.data, "hepp")
def test_not_received_until_permitted(self):
i = DeferredIOWorker(IOWorker())
i.set_receive_handler(self.call_later)
i.block()
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.unblock()
self.assertEqual(self.data, "bar")
# Now if unblocked, should go through immediately
# Note: d does not consume the data
i._io_worker._push_receive_data("hepp")
self.assertEqual(self.data, "barhepp")
