#!/usr/bin/env python3 # Copyright (c) 2009, Giampaolo Rodola' # Copyright (c) 2017, Arnon Yaari # All rights reserved. # Use of this source code is governed by a BSD-style license that can be # found in the LICENSE file. """AIX specific tests.""" import re import unittest import psutil from psutil import AIX from psutil.tests import PsutilTestCase from psutil.tests import sh @unittest.skipIf(not AIX, "AIX only") class AIXSpecificTestCase(PsutilTestCase): def test_virtual_memory(self): out = sh('/usr/bin/svmon -O unit=KB') re_pattern = r"memory\s*" for field in ("size inuse free pin virtual available mmode").split(): re_pattern += r"(?P<%s>\S+)\s+" % (field,) matchobj = re.search(re_pattern, out) self.assertIsNotNone( matchobj, "svmon command returned unexpected output") KB = 1024 total = int(matchobj.group("size")) * KB available = int(matchobj.group("available")) * KB used = int(matchobj.group("inuse")) * KB free = int(matchobj.group("free")) * KB psutil_result = psutil.virtual_memory() # TOLERANCE_SYS_MEM from psutil.tests is not enough. For some reason # we're seeing differences of ~1.2 MB. 2 MB is still a good tolerance # when compared to GBs. TOLERANCE_SYS_MEM = 2 * KB * KB # 2 MB self.assertEqual(psutil_result.total, total) self.assertAlmostEqual( psutil_result.used, used, delta=TOLERANCE_SYS_MEM) self.assertAlmostEqual( psutil_result.available, available, delta=TOLERANCE_SYS_MEM) self.assertAlmostEqual( psutil_result.free, free, delta=TOLERANCE_SYS_MEM) def test_swap_memory(self): out = sh('/usr/sbin/lsps -a') # From the man page, "The size is given in megabytes" so we assume # we'll always have 'MB' in the result # TODO maybe try to use "swap -l" to check "used" too, but its units # are not guaranteed to be "MB" so parsing may not be consistent matchobj = re.search(r"(?P<space>\S+)\s+" r"(?P<vol>\S+)\s+" r"(?P<vg>\S+)\s+" r"(?P<size>\d+)MB", out) self.assertIsNotNone( matchobj, "lsps command returned unexpected output") total_mb = int(matchobj.group("size")) MB = 1024 ** 2 psutil_result = psutil.swap_memory() # we divide our result by MB instead of multiplying the lsps value by # MB because lsps may round down, so we round down too self.assertEqual(int(psutil_result.total / MB), total_mb) def test_cpu_stats(self): out = sh('/usr/bin/mpstat -a') re_pattern = r"ALL\s*" for field in ("min maj mpcs mpcr dev soft dec ph cs ics bound rq " "push S3pull S3grd S0rd S1rd S2rd S3rd S4rd S5rd " "sysc").split(): re_pattern += r"(?P<%s>\S+)\s+" % (field,) matchobj = re.search(re_pattern, out) self.assertIsNotNone( matchobj, "mpstat command returned unexpected output") # numbers are usually in the millions so 1000 is ok for tolerance CPU_STATS_TOLERANCE = 1000 psutil_result = psutil.cpu_stats() self.assertAlmostEqual( psutil_result.ctx_switches, int(matchobj.group("cs")), delta=CPU_STATS_TOLERANCE) self.assertAlmostEqual( psutil_result.syscalls, int(matchobj.group("sysc")), delta=CPU_STATS_TOLERANCE) self.assertAlmostEqual( psutil_result.interrupts, int(matchobj.group("dev")), delta=CPU_STATS_TOLERANCE) self.assertAlmostEqual( psutil_result.soft_interrupts, int(matchobj.group("soft")), delta=CPU_STATS_TOLERANCE) def test_cpu_count_logical(self): out = sh('/usr/bin/mpstat -a') mpstat_lcpu = int(re.search(r"lcpu=(\d+)", out).group(1)) psutil_lcpu = psutil.cpu_count(logical=True) self.assertEqual(mpstat_lcpu, psutil_lcpu) def test_net_if_addrs_names(self): out = sh('/etc/ifconfig -l') ifconfig_names = set(out.split()) psutil_names = set(psutil.net_if_addrs().keys()) self.assertSetEqual(ifconfig_names, psutil_names) if __name__ == '__main__': from psutil.tests.runner import run_from_name run_from_name(__file__)