def test_002_rx(self):
nrx, ntx, q = 1, 1, phy.phyglobal.ctrlQ()
s = "hello"
q.insert_tail(gr.message_from_string(s) )
tx = phy.tx(ntx)
rx = phy.rx(nrx)
tx.transmit(s)
x = self.tocomplex(tx.outputQ().delete_head().to_string() )
src = gr.vector_source_c (x)
self.tb.connect(src, rx)
self.tb.run()
self.assertEqual (rx.outputQ().count(), 1)
m = rx.outputQ().delete_head().to_string()
self.assertEqual (m, s)
