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40 lines
1.2 KiB
Python
40 lines
1.2 KiB
Python
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from twisted.trial import unittest
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from twisted.application import service
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from allmydata.stats import CPUUsageMonitor
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from allmydata.util import pollmixin
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import allmydata.test.common_util as testutil
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class FasterMonitor(CPUUsageMonitor):
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POLL_INTERVAL = 0.1
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class CPUUsage(unittest.TestCase, pollmixin.PollMixin, testutil.StallMixin):
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def setUp(self):
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self.s = service.MultiService()
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self.s.startService()
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def tearDown(self):
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return self.s.stopService()
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def test_monitor(self):
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m = FasterMonitor()
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s = m.get_stats() # before it has been started
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self.failIf("cpu_monitor.1min_avg" in s)
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m.setServiceParent(self.s)
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def _poller():
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return bool(len(m.samples) == m.HISTORY_LENGTH+1)
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d = self.poll(_poller)
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# pause one more second, to make sure that the history-trimming code
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# is exercised
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d.addCallback(self.stall, 1.0)
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def _check(res):
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s = m.get_stats()
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self.failUnless("cpu_monitor.1min_avg" in s)
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self.failUnless("cpu_monitor.5min_avg" in s)
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self.failUnless("cpu_monitor.15min_avg" in s)
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self.failUnless("cpu_monitor.total" in s)
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d.addCallback(_check)
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return d
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