openstack/deb-python-eventlet
Code Issues Proposed changes

tests: check_idle_cpu_usage measures getrusage() around sleep(); throws AssertionError

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Sergey Shepelev
2013-01-10 16:25:04 +04:00
parent b0b82a2f8a
commit a5bcca9d03
1 changed files with 15 additions and 0 deletions
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15
tests/__init__.py
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@@ -1,9 +1,11 @@
# package is named tests, not test, so it won't be confused with test in stdlib # package is named tests, not test, so it won't be confused with test in stdlib
import errno import errno
import os import os
import resource
import unittest import unittest
import warnings import warnings
import eventlet
from eventlet import debug, hubs from eventlet import debug, hubs
@@ -175,6 +177,19 @@ class LimitedTestCase(unittest.TestCase):
assertLessThanEqual = assert_less_than_equal assertLessThanEqual = assert_less_than_equal
def check_idle_cpu_usage(duration, allowed_part):
r1 = resource.getrusage(resource.RUSAGE_SELF)
eventlet.sleep(duration)
r2 = resource.getrusage(resource.RUSAGE_SELF)
utime = r2.ru_utime - r1.ru_utime
stime = r2.ru_stime - r1.ru_stime
assert utime + stime < duration * allowed_part, \
"CPU usage over limit: user %.0f%% sys %.0f%% allowed %.0f%%" % (
utime / duration * 100, stime / duration * 100,
allowed_part * 100)
def verify_hub_empty(): def verify_hub_empty():
from eventlet import hubs from eventlet import hubs
hub = hubs.get_hub() hub = hubs.get_hub()