python/psutil/test/_osx.py@b8a032363ba2 (annotated)
python/psutil/test/_osx.py
Thu, 22 Jan 2015 13:21:57 +0100
- author
- Michael Schloh von Bennewitz <michael@schloh.com>
- date
- Thu, 22 Jan 2015 13:21:57 +0100
- branch
- TOR_BUG_9701
- changeset 15
- b8a032363ba2
- permissions
- -rw-r--r--
Incorporate requested changes from Mozilla in review:
https://bugzilla.mozilla.org/show_bug.cgi?id=1123480#c6
| michael@0 | 1 | #!/usr/bin/env python |
| michael@0 | 2 | |
| michael@0 | 3 | # Copyright (c) 2009, Giampaolo Rodola'. All rights reserved. |
| michael@0 | 4 | # Use of this source code is governed by a BSD-style license that can be |
| michael@0 | 5 | # found in the LICENSE file. |
| michael@0 | 6 | |
| michael@0 | 7 | """OSX specific tests. These are implicitly run by test_psutil.py.""" |
| michael@0 | 8 | |
| michael@0 | 9 | import unittest |
| michael@0 | 10 | import subprocess |
| michael@0 | 11 | import time |
| michael@0 | 12 | import sys |
| michael@0 | 13 | import os |
| michael@0 | 14 | import re |
| michael@0 | 15 | |
| michael@0 | 16 | import psutil |
| michael@0 | 17 | |
| michael@0 | 18 | from psutil._compat import PY3 |
| michael@0 | 19 | from test_psutil import * |
| michael@0 | 20 | |
| michael@0 | 21 | |
| michael@0 | 22 | PAGESIZE = os.sysconf("SC_PAGE_SIZE") |
| michael@0 | 23 | |
| michael@0 | 24 | |
| michael@0 | 25 | def sysctl(cmdline): |
| michael@0 | 26 | """Expects a sysctl command with an argument and parse the result |
| michael@0 | 27 | returning only the value of interest. |
| michael@0 | 28 | """ |
| michael@0 | 29 | p = subprocess.Popen(cmdline, shell=1, stdout=subprocess.PIPE) |
| michael@0 | 30 | result = p.communicate()[0].strip().split()[1] |
| michael@0 | 31 | if PY3: |
| michael@0 | 32 | result = str(result, sys.stdout.encoding) |
| michael@0 | 33 | try: |
| michael@0 | 34 | return int(result) |
| michael@0 | 35 | except ValueError: |
| michael@0 | 36 | return result |
| michael@0 | 37 | |
| michael@0 | 38 | def vm_stat(field): |
| michael@0 | 39 | """Wrapper around 'vm_stat' cmdline utility.""" |
| michael@0 | 40 | out = sh('vm_stat') |
| michael@0 | 41 | for line in out.split('\n'): |
| michael@0 | 42 | if field in line: |
| michael@0 | 43 | break |
| michael@0 | 44 | else: |
| michael@0 | 45 | raise ValueError("line not found") |
| michael@0 | 46 | return int(re.search('\d+', line).group(0)) * PAGESIZE |
| michael@0 | 47 | |
| michael@0 | 48 | |
| michael@0 | 49 | class OSXSpecificTestCase(unittest.TestCase): |
| michael@0 | 50 | |
| michael@0 | 51 | def setUp(self): |
| michael@0 | 52 | self.pid = get_test_subprocess().pid |
| michael@0 | 53 | |
| michael@0 | 54 | def tearDown(self): |
| michael@0 | 55 | reap_children() |
| michael@0 | 56 | |
| michael@0 | 57 | def test_process_create_time(self): |
| michael@0 | 58 | cmdline = "ps -o lstart -p %s" %self.pid |
| michael@0 | 59 | p = subprocess.Popen(cmdline, shell=1, stdout=subprocess.PIPE) |
| michael@0 | 60 | output = p.communicate()[0] |
| michael@0 | 61 | if PY3: |
| michael@0 | 62 | output = str(output, sys.stdout.encoding) |
| michael@0 | 63 | start_ps = output.replace('STARTED', '').strip() |
| michael@0 | 64 | start_psutil = psutil.Process(self.pid).create_time |
| michael@0 | 65 | start_psutil = time.strftime("%a %b %e %H:%M:%S %Y", |
| michael@0 | 66 | time.localtime(start_psutil)) |
| michael@0 | 67 | self.assertEqual(start_ps, start_psutil) |
| michael@0 | 68 | |
| michael@0 | 69 | def test_disks(self): |
| michael@0 | 70 | # test psutil.disk_usage() and psutil.disk_partitions() |
| michael@0 | 71 | # against "df -a" |
| michael@0 | 72 | def df(path): |
| michael@0 | 73 | out = sh('df -k "%s"' % path).strip() |
| michael@0 | 74 | lines = out.split('\n') |
| michael@0 | 75 | lines.pop(0) |
| michael@0 | 76 | line = lines.pop(0) |
| michael@0 | 77 | dev, total, used, free = line.split()[:4] |
| michael@0 | 78 | if dev == 'none': |
| michael@0 | 79 | dev = '' |
| michael@0 | 80 | total = int(total) * 1024 |
| michael@0 | 81 | used = int(used) * 1024 |
| michael@0 | 82 | free = int(free) * 1024 |
| michael@0 | 83 | return dev, total, used, free |
| michael@0 | 84 | |
| michael@0 | 85 | for part in psutil.disk_partitions(all=False): |
| michael@0 | 86 | usage = psutil.disk_usage(part.mountpoint) |
| michael@0 | 87 | dev, total, used, free = df(part.mountpoint) |
| michael@0 | 88 | self.assertEqual(part.device, dev) |
| michael@0 | 89 | self.assertEqual(usage.total, total) |
| michael@0 | 90 | # 10 MB tollerance |
| michael@0 | 91 | if abs(usage.free - free) > 10 * 1024 * 1024: |
| michael@0 | 92 | self.fail("psutil=%s, df=%s" % usage.free, free) |
| michael@0 | 93 | if abs(usage.used - used) > 10 * 1024 * 1024: |
| michael@0 | 94 | self.fail("psutil=%s, df=%s" % usage.used, used) |
| michael@0 | 95 | |
| michael@0 | 96 | # --- virtual mem |
| michael@0 | 97 | |
| michael@0 | 98 | def test_vmem_total(self): |
| michael@0 | 99 | sysctl_hwphymem = sysctl('sysctl hw.memsize') |
| michael@0 | 100 | self.assertEqual(sysctl_hwphymem, psutil.TOTAL_PHYMEM) |
| michael@0 | 101 | |
| michael@0 | 102 | @retry_before_failing() |
| michael@0 | 103 | def test_vmem_free(self): |
| michael@0 | 104 | num = vm_stat("free") |
| michael@0 | 105 | self.assertAlmostEqual(psutil.virtual_memory().free, num, |
| michael@0 | 106 | delta=TOLERANCE) |
| michael@0 | 107 | |
| michael@0 | 108 | @retry_before_failing() |
| michael@0 | 109 | def test_vmem_active(self): |
| michael@0 | 110 | num = vm_stat("active") |
| michael@0 | 111 | self.assertAlmostEqual(psutil.virtual_memory().active, num, |
| michael@0 | 112 | delta=TOLERANCE) |
| michael@0 | 113 | |
| michael@0 | 114 | @retry_before_failing() |
| michael@0 | 115 | def test_vmem_inactive(self): |
| michael@0 | 116 | num = vm_stat("inactive") |
| michael@0 | 117 | self.assertAlmostEqual(psutil.virtual_memory().inactive, num, |
| michael@0 | 118 | delta=TOLERANCE) |
| michael@0 | 119 | |
| michael@0 | 120 | @retry_before_failing() |
| michael@0 | 121 | def test_vmem_wired(self): |
| michael@0 | 122 | num = vm_stat("wired") |
| michael@0 | 123 | self.assertAlmostEqual(psutil.virtual_memory().wired, num, |
| michael@0 | 124 | delta=TOLERANCE) |
| michael@0 | 125 | |
| michael@0 | 126 | # --- swap mem |
| michael@0 | 127 | |
| michael@0 | 128 | def test_swapmem_sin(self): |
| michael@0 | 129 | num = vm_stat("Pageins") |
| michael@0 | 130 | self.assertEqual(psutil.swap_memory().sin, num) |
| michael@0 | 131 | |
| michael@0 | 132 | def test_swapmem_sout(self): |
| michael@0 | 133 | num = vm_stat("Pageouts") |
| michael@0 | 134 | self.assertEqual(psutil.swap_memory().sout, num) |
| michael@0 | 135 | |
| michael@0 | 136 | def test_swapmem_total(self): |
| michael@0 | 137 | tot1 = psutil.swap_memory().total |
| michael@0 | 138 | tot2 = 0 |
| michael@0 | 139 | # OSX uses multiple cache files: |
| michael@0 | 140 | # http://en.wikipedia.org/wiki/Paging#OS_X |
| michael@0 | 141 | for name in os.listdir("/var/vm/"): |
| michael@0 | 142 | file = os.path.join("/var/vm", name) |
| michael@0 | 143 | if os.path.isfile(file): |
| michael@0 | 144 | tot2 += os.path.getsize(file) |
| michael@0 | 145 | self.assertEqual(tot1, tot2) |
| michael@0 | 146 | |
| michael@0 | 147 | |
| michael@0 | 148 | def test_main(): |
| michael@0 | 149 | test_suite = unittest.TestSuite() |
| michael@0 | 150 | test_suite.addTest(unittest.makeSuite(OSXSpecificTestCase)) |
| michael@0 | 151 | result = unittest.TextTestRunner(verbosity=2).run(test_suite) |
| michael@0 | 152 | return result.wasSuccessful() |
| michael@0 | 153 | |
| michael@0 | 154 | if __name__ == '__main__': |
| michael@0 | 155 | if not test_main(): |
| michael@0 | 156 | sys.exit(1) |
