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##############################################################################
# Copyright (c) 2015 EMC and others.
#
# All rights reserved. This program and the accompanying materials
# are made available under the terms of the Apache License, Version 2.0
# which accompanies this distribution, and is available at
# http://www.apache.org/licenses/LICENSE-2.0
##############################################################################
import unittest
import json
import SocketServer
import threading
from time import sleep
import carbon.converter
import carbon.emitter
class MetricsHandler(SocketServer.BaseRequestHandler):
def handle(self):
# Echo the back to the client
CarbonMetricTransmitterTest.response = self.request.recv(1024)
return
class MetricsServer(SocketServer.ThreadingMixIn, SocketServer.TCPServer):
pass
class CarbonMetricTransmitterTest(unittest.TestCase):
listen_port = 0
response = None
def setUp(self):
address = ('localhost', 0)
server = MetricsServer(address, MetricsHandler)
ip, self.listen_port = server.server_address
t = threading.Thread(target=server.serve_forever)
t.setDaemon(True)
t.start()
def test_transmit_metrics(self):
testconv = carbon.converter.JSONToCarbon()
json_object = json.loads("""{"timestamp" : "12345"}""")
result = testconv.convert_to_dictionary(json_object, "host.run-name")
emitter = carbon.emitter.CarbonMetricTransmitter()
emitter.carbon_port = self.listen_port
emitter.transmit_metrics(result)
count = 0
while (CarbonMetricTransmitterTest.response == None and count < 10):
count += 1
sleep(0.1)
self.assertEqual("host.run-name.timestamp 12345 12345\n",
CarbonMetricTransmitterTest.response,
CarbonMetricTransmitterTest.response)
if __name__ == '__main__':
unittest.main()
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