def test_applicationDataBytes(self):
        """
        Contiguous non-control bytes are passed to a single call to the
        C{write} method of the terminal to which the L{ClientProtocol} is
        connected.
        """
        occs = occurrences(self.proto)
        self.parser.dataReceived(b'a')
        self.assertCall(occs.pop(0), "write", (b"a",))
        self.parser.dataReceived(b'bc')
        self.assertCall(occs.pop(0), "write", (b"bc",))

        Contiguous non-control bytes are passed to a single call to the
        C{write} method of the terminal to which the L{ClientProtocol} is
        connected.
        
stackoverflow/venv/lib/python3.6/site-packages/twisted/conch/test/test_insults.py