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77 lines
2.3 KiB
Python
77 lines
2.3 KiB
Python
#import logging
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import ujson as json
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import zipline.util as qutil
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import zipline.messaging as qmsg
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from zipline.protocol import CONTROL_PROTOCOL, COMPONENT_TYPE
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#qlogger = logging.getLogger('qexec')
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class TestClient(qmsg.Component):
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def __init__(self, utest, expected_msg_count=0):
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qmsg.Component.__init__(self)
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# Generally shouldn't reference unit tests here.
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self.utest = utest
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self.expected_msg_count = expected_msg_count
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self.init()
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def init(self):
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self.received_count = 0
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self.prev_dt = None
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@property
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def get_id(self):
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return "TEST_CLIENT"
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@property
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def get_type(self):
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return COMPONENT_TYPE.SINK
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def open(self):
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self.data_feed = self.connect_result()
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def do_work(self):
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socks = dict(self.poll.poll(self.heartbeat_timeout))
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if self.control_in in socks and socks[self.control_in] == self.zmq.POLLIN:
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msg = self.control_in.recv()
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if self.data_feed in socks and socks[self.data_feed] == self.zmq.POLLIN:
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msg = self.data_feed.recv()
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#logger.info('msg:' + str(msg))
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if msg == str(CONTROL_PROTOCOL.DONE):
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qutil.LOGGER.info("Client is DONE!")
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self.signal_done()
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#self.utest.assertEqual(
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#self.expected_msg_count, self.received_count,
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#"The client should have received ({n}) the same number of \
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#messages as the feed sent ({m})."
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#.format(n=self.received_count, m=self.expected_msg_count))
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return
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self.received_count += 1
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try:
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event = json.loads(msg)
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# JSON deserialization error
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except ValueError as exc:
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return self.signal_exception(exc)
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if self.prev_dt != None:
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if not event['dt'] >= self.prev_dt:
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raise Exception(
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"Message out of order: {date} after {prev}".format(
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date = event['dt'], prev = self.prev_dt
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)
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)
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else:
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self.prev_dt = event['dt']
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if self.received_count % 100 == 0:
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qutil.LOGGER.info("received {n} messages".format(n=self.received_count))
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