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"""
Connection Test

First test to make sure the KQueue adapter can connect properly
"""
import nose
import os
import platform
import sys
sys.path.append('..')
sys.path.append(os.path.join('..', '..'))

import pika
import pika.adapters as adapters

from pika.adapters.tornado_connection import TornadoConnection

HOST = 'localhost'
PORT = 5672


class TestAdapters(object):

    def __init__(self):
        self.connection = None

    @nose.tools.timed(2)
    def test_kqueue_connection(self):
        # KQueue is 2.6+
        if float('.'.join(platform.python_version().split('.')[:-1])) < 2.6:
            raise nose.SkipTest
        self._set_select_poller('kqueue')
        self.connection = self._connect(adapters.SelectConnection)
        self.connection.ioloop.start()
        if self.connection.ioloop.poller_type != 'KQueuePoller':
            assert False, "Not KQueuePoller"
        if not self.connected:
            assert False, "Not Connected"
        pass

    def _connect(self, connection_type):
        if self.connection:
            del self.connection
        self.connected = False
        parameters = pika.ConnectionParameters(HOST, PORT)
        return connection_type(parameters, self._on_connected)

    def _on_connected(self, connection):
        self.connected = self.connection.is_open
        self.connection.add_on_close_callback(self._on_closed)
        self.connection.close()

    def _on_closed(self, frame):
        self.connection.ioloop.stop()

    def _set_select_poller(self, type):
        adapters.select_connection.SELECT_TYPE = type

if __name__ == "__main__":
    nose.runmodule()
