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#!/usr/bin/env python
import unittest
from twisted.internet import reactor, protocol
from pymodbus.constants import Defaults
from pymodbus.client.async import ModbusClientProtocol
from base_runner import Runner
class AsynchronousTcpClient(Runner, unittest.TestCase):
'''
These are the integration tests for the asynchronous
tcp client.
'''
def setUp(self):
''' Initializes the test environment '''
def _callback(client): self.client = client
self.initialize(["../tools/reference/diagslave", "-m", "tcp", "-p", "12345"])
defer = protocol.ClientCreator(reactor, ModbusClientProtocol
).connectTCP("localhost", Defaults.Port)
defer.addCallback(_callback)
reactor.run()
def tearDown(self):
''' Cleans up the test environment '''
reactor.callLater(1, client.transport.loseConnection)
reactor.callLater(2, reactor.stop)
reactor.shutdown()
#---------------------------------------------------------------------------#
# Main
#---------------------------------------------------------------------------#
if __name__ == "__main__":
unittest.main()
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