Remove psutil from tree, install via install-build-deps.sh

third_party/psutil/test/_bsd.py

-#!/usr/bin/env python
-#
-# $Id: _bsd.py 1142 2011-10-05 18:45:49Z g.rodola $
-#
-# Copyright (c) 2009, Jay Loden, Giampaolo Rodola'. All rights reserved.
-# Use of this source code is governed by a BSD-style license that can be
-# found in the LICENSE file.
-
-"""BSD specific tests.  These are implicitly run by test_psutil.py."""
-
-import unittest
-import subprocess
-import time
-import re
-import sys
-
-import psutil
-
-from test_psutil import reap_children, get_test_subprocess, sh
-
-def sysctl(cmdline):
-    """Expects a sysctl command with an argument and parse the result
-    returning only the value of interest.
-    """
-    result = sh("sysctl " + cmdline)
-    result = result[result.find(": ") + 2:]
-    try:
-        return int(result)
-    except ValueError:
-        return result
-
-def parse_sysctl_vmtotal(output):
-    """Parse sysctl vm.vmtotal output returning total and free memory
-    values.
-    """
-    line = output.split('\n')[4]  # our line of interest
-    mobj = re.match(r'Virtual\s+Memory.*Total:\s+(\d+)K,\s+Active\s+(\d+)K.*', line)
-    total, active = mobj.groups()
-    # values are represented in kilo bytes
-    total = int(total) * 1024
-    active = int(active) * 1024
-    free = total - active
-    return total, free
-
-
-class BSDSpecificTestCase(unittest.TestCase):
-
-    def setUp(self):
-        self.pid = get_test_subprocess().pid
-
-    def tearDown(self):
-        reap_children()
-
-    def test_TOTAL_PHYMEM(self):
-        sysctl_hwphymem = sysctl('sysctl hw.physmem')
-        self.assertEqual(sysctl_hwphymem, psutil.TOTAL_PHYMEM)
-
-    def test_BOOT_TIME(self):
-        s = sysctl('sysctl kern.boottime')
-        s = s[s.find(" sec = ") + 7:]
-        s = s[:s.find(',')]
-        btime = int(s)
-        self.assertEqual(btime, psutil.BOOT_TIME)
-
-    def test_avail_phymem(self):
-        # This test is not particularly accurate and may fail if the OS is
-        # consuming memory for other applications.
-        # We just want to test that the difference between psutil result
-        # and sysctl's is not too high.
-        _sum = sum((sysctl("sysctl vm.stats.vm.v_inactive_count"),
-                    sysctl("sysctl vm.stats.vm.v_cache_count"),
-                    sysctl("sysctl vm.stats.vm.v_free_count")
-                   ))
-        _pagesize = sysctl("sysctl hw.pagesize")
-        sysctl_avail_phymem = _sum * _pagesize
-        psutil_avail_phymem =  psutil.phymem_usage().free
-        difference = abs(psutil_avail_phymem - sysctl_avail_phymem)
-        # On my system both sysctl and psutil report the same values.
-        # Let's use a tollerance of 0.5 MB and consider the test as failed
-        # if we go over it.
-        if difference > (0.5 * 2**20):
-            self.fail("sysctl=%s; psutil=%s; difference=%s;" %(
-                      sysctl_avail_phymem, psutil_avail_phymem, difference))
-
-    def test_total_virtmem(self):
-        # This test is not particularly accurate and may fail if the OS is
-        # consuming memory for other applications.
-        # We just want to test that the difference between psutil result
-        # and sysctl's is not too high.
-        p = subprocess.Popen("sysctl vm.vmtotal", shell=1, stdout=subprocess.PIPE)
-        result = p.communicate()[0].strip()
-        if sys.version_info >= (3,):
-            result = str(result, sys.stdout.encoding)
-        sysctl_total_virtmem, _ = parse_sysctl_vmtotal(result)
-        psutil_total_virtmem = psutil.virtmem_usage().total
-        difference = abs(sysctl_total_virtmem - psutil_total_virtmem)
-
-        # On my system I get a difference of 4657152 bytes, probably because
-        # the system is consuming memory for this same test.
-        # Assuming psutil is right, let's use a tollerance of 10 MB and consider
-        # the test as failed if we go over it.
-        if difference > (10 * 2**20):
-            self.fail("sysctl=%s; psutil=%s; difference=%s;" %(
-                       sysctl_total_virtmem, psutil_total_virtmem, difference))
-
-    def test_avail_virtmem(self):
-        # This test is not particularly accurate and may fail if the OS is
-        # consuming memory for other applications.
-        # We just want to test that the difference between psutil result
-        # and sysctl's is not too high.
-        p = subprocess.Popen("sysctl vm.vmtotal", shell=1, stdout=subprocess.PIPE)
-        result = p.communicate()[0].strip()
-        if sys.version_info >= (3,):
-            result = str(result, sys.stdout.encoding)
-        _, sysctl_avail_virtmem = parse_sysctl_vmtotal(result)
-        psutil_avail_virtmem = psutil.virtmem_usage().free
-        difference = abs(sysctl_avail_virtmem - psutil_avail_virtmem)
-        # let's assume the test is failed if difference is > 0.5 MB
-        if difference > (0.5 * 2**20):
-            self.fail(difference)
-
-    def test_process_create_time(self):
-        cmdline = "ps -o lstart -p %s" %self.pid
-        p = subprocess.Popen(cmdline, shell=1, stdout=subprocess.PIPE)
-        output = p.communicate()[0]
-        if sys.version_info >= (3,):
-            output = str(output, sys.stdout.encoding)
-        start_ps = output.replace('STARTED', '').strip()
-        start_psutil = psutil.Process(self.pid).create_time
-        start_psutil = time.strftime("%a %b %e %H:%M:%S %Y",
-                                     time.localtime(start_psutil))
-        self.assertEqual(start_ps, start_psutil)
-
-    def test_disks(self):
-        # test psutil.disk_usage() and psutil.disk_partitions()
-        # against "df -a"
-        def df(path):
-            out = sh('df -k "%s"' % path).strip()
-            lines = out.split('\n')
-            lines.pop(0)
-            line = lines.pop(0)
-            dev, total, used, free = line.split()[:4]
-            if dev == 'none':
-                dev = ''
-            total = int(total) * 1024
-            used = int(used) * 1024
-            free = int(free) * 1024
-            return dev, total, used, free
-
-        for part in psutil.disk_partitions(all=False):
-            usage = psutil.disk_usage(part.mountpoint)
-            dev, total, used, free = df(part.mountpoint)
-            self.assertEqual(part.device, dev)
-            self.assertEqual(usage.total, total)
-            # 10 MB tollerance
-            if abs(usage.free - free) > 10 * 1024 * 1024:
-                self.fail("psutil=%s, df=%s" % usage.free, free)
-            if abs(usage.used - used) > 10 * 1024 * 1024:
-                self.fail("psutil=%s, df=%s" % usage.used, used)
-
-
-if __name__ == '__main__':
-    test_suite = unittest.TestSuite()
-    test_suite.addTest(unittest.makeSuite(BSDSpecificTestCase))
-    unittest.TextTestRunner(verbosity=2).run(test_suite)