monasca-agent/tests_to_fix/test_cassandra_jmx.py
Tony Xu 47560f56a6 Change assertTrue(isinstance()) by optimal assert
Use assertIsInstance() instead of assertTrue(isinstance())

Change-Id: Ib1d84eb1245d822bac0c0ee5fac7a086fabadcdc
2016-10-25 10:38:29 +08:00

75 lines
2.1 KiB
Python

import unittest
import time
import threading
import os
from nose.plugins.skip import SkipTest
from monasca_agent.common.aggregator import MetricsAggregator
from monasca_agent.statsd import Server
from monasca_agent.common.config import get_logging_config
from monasca_agent.collector.jmxfetch import JMXFetch
STATSD_PORT = 8121
class DummyReporter(threading.Thread):
def __init__(self, metrics_aggregator):
threading.Thread.__init__(self)
self.finished = threading.Event()
self.metrics_aggregator = metrics_aggregator
self.interval = 10
self.metrics = None
self.finished = False
self.start()
def run(self):
while not self.finished:
time.sleep(self.interval)
self.flush()
def flush(self):
metrics = self.metrics_aggregator.flush()
if metrics:
self.metrics = metrics
class JMXTestCase(unittest.TestCase):
def setUp(self):
aggregator = MetricsAggregator("test_host")
self.server = Server(aggregator, "localhost", STATSD_PORT)
self.reporter = DummyReporter(aggregator)
self.t1 = threading.Thread(target=self.server.start)
self.t1.start()
confd_path = os.path.realpath(os.path.join(os.path.abspath(__file__), "..", "jmx_yamls"))
JMXFetch.init(confd_path, {'dogstatsd_port': STATSD_PORT}, get_logging_config(), 15)
def tearDown(self):
self.server.stop()
self.reporter.finished = True
JMXFetch.stop()
def testCustomJMXMetric(self):
raise SkipTest('Requires JMX be setup')
count = 0
while self.reporter.metrics is None:
time.sleep(1)
count += 1
if count > 20:
raise Exception("No metrics were received in 20 seconds")
metrics = self.reporter.metrics
self.assertIsInstance(metrics, list)
self.assertTrue(len(metrics) > 0)
self.assertTrue(len([t for t in metrics if "cassandra.db." in t[
'metric'] and "instance:cassandra_instance" in t['dimensions']]) > 40, metrics)
if __name__ == "__main__":
unittest.main()