# Copyright (C) PyZMQ Developers
# Distributed under the terms of the Modified BSD License.


from unittest import TestCase

import zmq
from zmq.tests import BaseZMQTestCase, have_gevent, GreenTest


class TestReqRep(BaseZMQTestCase):

    def test_basic(self):
        s1, s2 = self.create_bound_pair(zmq.REQ, zmq.REP)

        msg1 = b'message 1'
        msg2 = self.ping_pong(s1, s2, msg1)
        self.assertEqual(msg1, msg2)

    def test_multiple(self):
        s1, s2 = self.create_bound_pair(zmq.REQ, zmq.REP)

        for i in range(10):
            msg1 = i*b' '
            msg2 = self.ping_pong(s1, s2, msg1)
            self.assertEqual(msg1, msg2)

    def test_bad_send_recv(self):
        s1, s2 = self.create_bound_pair(zmq.REQ, zmq.REP)
        
        if zmq.zmq_version() != '2.1.8':
            # this doesn't work on 2.1.8
            for copy in (True,False):
                self.assertRaisesErrno(zmq.EFSM, s1.recv, copy=copy)
                self.assertRaisesErrno(zmq.EFSM, s2.send, b'asdf', copy=copy)

        # I have to have this or we die on an Abort trap.
        msg1 = b'asdf'
        msg2 = self.ping_pong(s1, s2, msg1)
        self.assertEqual(msg1, msg2)

    def test_json(self):
        s1, s2 = self.create_bound_pair(zmq.REQ, zmq.REP)
        o = dict(a=10,b=list(range(10)))
        o2 = self.ping_pong_json(s1, s2, o)

    def test_pyobj(self):
        s1, s2 = self.create_bound_pair(zmq.REQ, zmq.REP)
        o = dict(a=10,b=range(10))
        o2 = self.ping_pong_pyobj(s1, s2, o)

    def test_large_msg(self):
        s1, s2 = self.create_bound_pair(zmq.REQ, zmq.REP)
        msg1 = 10000*b'X'

        for i in range(10):
            msg2 = self.ping_pong(s1, s2, msg1)
            self.assertEqual(msg1, msg2)

if have_gevent:
    class TestReqRepGreen(GreenTest, TestReqRep):
        pass