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Archive obtained from https://psutil.googlecode.com/files/psutil-1.0.1.tar.gz and extracted over existing source code without modifications.
217 lines
7.3 KiB
Python
217 lines
7.3 KiB
Python
#!/usr/bin/env python
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# Copyright (c) 2009, Giampaolo Rodola'. All rights reserved.
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# Use of this source code is governed by a BSD-style license that can be
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# found in the LICENSE file.
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"""BSD specific tests. These are implicitly run by test_psutil.py."""
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import unittest
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import subprocess
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import time
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import re
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import sys
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import os
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import psutil
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from psutil._compat import PY3
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from test_psutil import *
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PAGESIZE = os.sysconf("SC_PAGE_SIZE")
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MUSE_AVAILABLE = which('muse')
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def sysctl(cmdline):
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"""Expects a sysctl command with an argument and parse the result
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returning only the value of interest.
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"""
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result = sh("sysctl " + cmdline)
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result = result[result.find(": ") + 2:]
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try:
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return int(result)
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except ValueError:
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return result
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def muse(field):
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"""Thin wrapper around 'muse' cmdline utility."""
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out = sh('muse', stderr=DEVNULL)
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for line in out.split('\n'):
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if line.startswith(field):
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break
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else:
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raise ValueError("line not found")
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return int(line.split()[1])
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class BSDSpecificTestCase(unittest.TestCase):
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def setUp(self):
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self.pid = get_test_subprocess().pid
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def tearDown(self):
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reap_children()
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def test_BOOT_TIME(self):
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s = sysctl('sysctl kern.boottime')
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s = s[s.find(" sec = ") + 7:]
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s = s[:s.find(',')]
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btime = int(s)
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self.assertEqual(btime, psutil.BOOT_TIME)
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def test_process_create_time(self):
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cmdline = "ps -o lstart -p %s" %self.pid
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p = subprocess.Popen(cmdline, shell=1, stdout=subprocess.PIPE)
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output = p.communicate()[0]
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if PY3:
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output = str(output, sys.stdout.encoding)
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start_ps = output.replace('STARTED', '').strip()
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start_psutil = psutil.Process(self.pid).create_time
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start_psutil = time.strftime("%a %b %e %H:%M:%S %Y",
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time.localtime(start_psutil))
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self.assertEqual(start_ps, start_psutil)
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def test_disks(self):
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# test psutil.disk_usage() and psutil.disk_partitions()
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# against "df -a"
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def df(path):
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out = sh('df -k "%s"' % path).strip()
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lines = out.split('\n')
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lines.pop(0)
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line = lines.pop(0)
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dev, total, used, free = line.split()[:4]
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if dev == 'none':
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dev = ''
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total = int(total) * 1024
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used = int(used) * 1024
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free = int(free) * 1024
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return dev, total, used, free
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for part in psutil.disk_partitions(all=False):
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usage = psutil.disk_usage(part.mountpoint)
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dev, total, used, free = df(part.mountpoint)
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self.assertEqual(part.device, dev)
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self.assertEqual(usage.total, total)
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# 10 MB tollerance
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if abs(usage.free - free) > 10 * 1024 * 1024:
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self.fail("psutil=%s, df=%s" % (usage.free, free))
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if abs(usage.used - used) > 10 * 1024 * 1024:
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self.fail("psutil=%s, df=%s" % (usage.used, used))
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def test_memory_maps(self):
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out = sh('procstat -v %s' % self.pid)
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maps = psutil.Process(self.pid).get_memory_maps(grouped=False)
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lines = out.split('\n')[1:]
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while lines:
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line = lines.pop()
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fields = line.split()
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_, start, stop, perms, res = fields[:5]
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map = maps.pop()
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self.assertEqual("%s-%s" % (start, stop), map.addr)
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self.assertEqual(int(res), map.rss)
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if not map.path.startswith('['):
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self.assertEqual(fields[10], map.path)
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# --- virtual_memory(); tests against sysctl
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def test_vmem_total(self):
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syst = sysctl("sysctl vm.stats.vm.v_page_count") * PAGESIZE
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self.assertEqual(psutil.virtual_memory().total, syst)
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@retry_before_failing()
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def test_vmem_active(self):
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syst = sysctl("vm.stats.vm.v_active_count") * PAGESIZE
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self.assertAlmostEqual(psutil.virtual_memory().active, syst,
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delta=TOLERANCE)
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@retry_before_failing()
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def test_vmem_inactive(self):
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syst = sysctl("vm.stats.vm.v_inactive_count") * PAGESIZE
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self.assertAlmostEqual(psutil.virtual_memory().inactive, syst,
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delta=TOLERANCE)
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@retry_before_failing()
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def test_vmem_wired(self):
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syst = sysctl("vm.stats.vm.v_wire_count") * PAGESIZE
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self.assertAlmostEqual(psutil.virtual_memory().wired, syst,
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delta=TOLERANCE)
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@retry_before_failing()
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def test_vmem_cached(self):
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syst = sysctl("vm.stats.vm.v_cache_count") * PAGESIZE
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self.assertAlmostEqual(psutil.virtual_memory().cached, syst,
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delta=TOLERANCE)
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@retry_before_failing()
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def test_vmem_free(self):
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syst = sysctl("vm.stats.vm.v_free_count") * PAGESIZE
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self.assertAlmostEqual(psutil.virtual_memory().free, syst,
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delta=TOLERANCE)
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@retry_before_failing()
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def test_vmem_buffers(self):
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syst = sysctl("vfs.bufspace")
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self.assertAlmostEqual(psutil.virtual_memory().buffers, syst,
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delta=TOLERANCE)
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# --- virtual_memory(); tests against muse
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@unittest.skipUnless(MUSE_AVAILABLE, "muse cmdline tool is not available")
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def test_total(self):
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num = muse('Total')
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self.assertEqual(psutil.virtual_memory().total, num)
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@unittest.skipUnless(MUSE_AVAILABLE, "muse cmdline tool is not available")
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@retry_before_failing()
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def test_active(self):
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num = muse('Active')
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self.assertAlmostEqual(psutil.virtual_memory().active, num,
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delta=TOLERANCE)
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@unittest.skipUnless(MUSE_AVAILABLE, "muse cmdline tool is not available")
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@retry_before_failing()
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def test_inactive(self):
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num = muse('Inactive')
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self.assertAlmostEqual(psutil.virtual_memory().inactive, num,
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delta=TOLERANCE)
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@unittest.skipUnless(MUSE_AVAILABLE, "muse cmdline tool is not available")
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@retry_before_failing()
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def test_wired(self):
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num = muse('Wired')
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self.assertAlmostEqual(psutil.virtual_memory().wired, num,
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delta=TOLERANCE)
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@unittest.skipUnless(MUSE_AVAILABLE, "muse cmdline tool is not available")
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@retry_before_failing()
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def test_cached(self):
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num = muse('Cache')
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self.assertAlmostEqual(psutil.virtual_memory().cached, num,
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delta=TOLERANCE)
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@unittest.skipUnless(MUSE_AVAILABLE, "muse cmdline tool is not available")
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@retry_before_failing()
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def test_free(self):
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num = muse('Free')
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self.assertAlmostEqual(psutil.virtual_memory().free, num,
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delta=TOLERANCE)
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@unittest.skipUnless(MUSE_AVAILABLE, "muse cmdline tool is not available")
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@retry_before_failing()
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def test_buffers(self):
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num = muse('Buffer')
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self.assertAlmostEqual(psutil.virtual_memory().buffers, num,
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delta=TOLERANCE)
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def test_main():
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test_suite = unittest.TestSuite()
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test_suite.addTest(unittest.makeSuite(BSDSpecificTestCase))
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result = unittest.TextTestRunner(verbosity=2).run(test_suite)
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return result.wasSuccessful()
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if __name__ == '__main__':
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if not test_main():
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sys.exit(1)
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