def test_recv_send(self):
            if test_support.verbose:
                sys.stdout.write("\n")

            server = ThreadedEchoServer(CERTFILE,
                                        certreqs=ssl.CERT_NONE,
                                        ssl_version=ssl.PROTOCOL_TLSv1,
                                        cacerts=CERTFILE,
                                        chatty=True,
                                        connectionchatty=False)
            with server:
                s = ssl.wrap_socket(socket.socket(),
                                    server_side=False,
                                    certfile=CERTFILE,
                                    ca_certs=CERTFILE,
                                    cert_reqs=ssl.CERT_NONE,
                                    ssl_version=ssl.PROTOCOL_TLSv1)
                s.connect((HOST, server.port))
                # helper methods for standardising recv* method signatures
                def _recv_into():
                    b = bytearray("\0"*100)
                    count = s.recv_into(b)
                    return b[:count]

                def _recvfrom_into():
                    b = bytearray("\0"*100)
                    count, addr = s.recvfrom_into(b)
                    return b[:count]

                # (name, method, whether to expect success, *args)
                send_methods = [
                    ('send', s.send, True, []),
                    ('sendto', s.sendto, False, ["some.address"]),
                    ('sendall', s.sendall, True, []),
                ]
                recv_methods = [
                    ('recv', s.recv, True, []),
                    ('recvfrom', s.recvfrom, False, ["some.address"]),
                    ('recv_into', _recv_into, True, []),
                    ('recvfrom_into', _recvfrom_into, False, []),
                ]
                data_prefix = u"PREFIX_"

                for meth_name, send_meth, expect_success, args in send_methods:
                    indata = data_prefix + meth_name
                    try:
                        send_meth(indata.encode('ASCII', 'strict'), *args)
                        outdata = s.read()
                        outdata = outdata.decode('ASCII', 'strict')
                        if outdata != indata.lower():
                            self.fail(
                                "While sending with <<%s>> bad data "
                                "<<%r>> (%d) received; "
                                "expected <<%r>> (%d)\n" % (
                                    meth_name, outdata[:20], len(outdata),
                                    indata[:20], len(indata)
                                )
                            )
                    except ValueError as e:
                        if expect_success:
                            self.fail(
                                "Failed to send with method <<%s>>; "
                                "expected to succeed.\n" % (meth_name,)
                            )
                        if not str(e).startswith(meth_name):
                            self.fail(
                                "Method <<%s>> failed with unexpected "
                                "exception message: %s\n" % (
                                    meth_name, e
                                )
                            )

                for meth_name, recv_meth, expect_success, args in recv_methods:
                    indata = data_prefix + meth_name
                    try:
                        s.send(indata.encode('ASCII', 'strict'))
                        outdata = recv_meth(*args)
                        outdata = outdata.decode('ASCII', 'strict')
                        if outdata != indata.lower():
                            self.fail(
                                "While receiving with <<%s>> bad data "
                                "<<%r>> (%d) received; "
                                "expected <<%r>> (%d)\n" % (
                                    meth_name, outdata[:20], len(outdata),
                                    indata[:20], len(indata)
                                )
                            )
                    except ValueError as e:
                        if expect_success:
                            self.fail(
                                "Failed to receive with method <<%s>>; "
                                "expected to succeed.\n" % (meth_name,)
                            )
                        if not str(e).startswith(meth_name):
                            self.fail(
                                "Method <<%s>> failed with unexpected "
                                "exception message: %s\n" % (
                                    meth_name, e
                                )
                            )
                        # consume data
                        s.read()

                s.write("over\n".encode("ASCII", "strict"))
                s.close()
Add an edge between u and v.
dataset/ETHPy150Open azoft-dev-team/imagrium/env/Lib/test/test_ssl.py/ThreadedTests.test_recv_send--crossover with--dataset/ETHPy150Open networkx/networkx/networkx/classes/tests/timingclasses.py/TimingDiGraph.add_edge