84 lines
2.9 KiB
Python
84 lines
2.9 KiB
Python
import logging
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import unittest
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from cStringIO import StringIO
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from collector.checks import LaconicFilter
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class TestLaconic(unittest.TestCase):
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"""Verify that we only output messages once
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"""
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def setUp(self):
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self.l = logging.getLogger("test_laconic")
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self.sio = StringIO()
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# create console handler and set level to debug
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ch = logging.StreamHandler(self.sio)
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ch.setLevel(logging.DEBUG)
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# create formatter
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formatter = logging.Formatter('%(name)s - %(levelname)s - %(message)s')
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# add formatter to ch
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ch.setFormatter(formatter)
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# add ch to logger
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self.l.addHandler(ch)
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self.laconic = LaconicFilter()
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self.l.addFilter(self.laconic)
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def tearDown(self):
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del self.l
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del self.sio
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def testRepeatingErrors(self):
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for i in range(10):
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self.l.error("Cannot find nagios.log")
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self.assertEqual(
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self.sio.getvalue().count("Cannot find nagios.log"), 1, self.sio.getvalue())
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for i in range(10):
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self.l.warn("Cannot find ganglia.log")
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self.assertEqual(
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self.sio.getvalue().count("Cannot find ganglia.log"), 1, self.sio.getvalue())
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for i in range(10):
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try:
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raise Exception("Ka-boom")
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except Exception:
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self.l.exception("Caught!")
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# once for the traceback, once for the message
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self.assertEqual(self.sio.getvalue().count("Ka-boom"), 2)
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def testNonRepeat(self):
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for i in range(10):
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self.l.error("Cannot find nagios.log %d" % i)
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self.assertEqual(self.sio.getvalue().count(" nagios.log"), 10)
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self.assertEqual(self.sio.getvalue().count(" 7"), 1)
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def testBlowUp(self):
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"""Try to use a lot of memory"""
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for i in range(2 * self.laconic.LACONIC_MEM_LIMIT + 7):
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self.l.warn("""%d Lorem ipsum dolor sit amet, consectetur adipiscing elit. Integer
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adipiscing urna sed urna sagittis rutrum. Etiam elementum justo quis
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quam pellentesque vel porta eros vestibulum. Nulla nec felis
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lacus. Maecenas sit amet aliquet nunc. Curabitur non tellus eget
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sapien faucibus feugiat. Vivamus tortor nisl, posuere eget
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ullamcorper at, interdum id odio. Sed convallis, nisl quis luctus
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posuere, nulla sapien consequat magna, vitae euismod mauris felis et
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augue. Maecenas eget tortor elit. Cras eu nulla sit amet est
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hendrerit malesuada sit amet eu nibh. Aliquam erat volutpat. Cum
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sociis natoque penatibus et magnis dis parturient montes, nascetur
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ridiculus mus. Proin et erat diam, non venenatis dui. Etiam feugiat
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mattis nunc, tincidunt mollis quam condimentum eu. Donec volutpat
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sodales magna eu fermentum. Integer ultricies odio non metus aliquet
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tristique. Proin ultrices accumsan augue, quis tempor diam rutrum at.""" % i)
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self.assertEqual(len(self.laconic.hashed_messages), 7, self.sio.getvalue())
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if __name__ == "__main__":
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unittest.main()
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