week06

env/lib/python3.12/site-packages/psutil/tests/test_osx.py

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+#!/usr/bin/env python3
+
+# Copyright (c) 2009, 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.
+
+"""macOS specific tests."""
+
+import platform
+import re
+import time
+
+import psutil
+from psutil import MACOS
+from psutil import POSIX
+from psutil.tests import HAS_BATTERY
+from psutil.tests import TOLERANCE_DISK_USAGE
+from psutil.tests import TOLERANCE_SYS_MEM
+from psutil.tests import PsutilTestCase
+from psutil.tests import pytest
+from psutil.tests import retry_on_failure
+from psutil.tests import sh
+from psutil.tests import spawn_testproc
+from psutil.tests import terminate
+
+
+if POSIX:
+    from psutil._psutil_posix import getpagesize
+
+
+def sysctl(cmdline):
+    """Expects a sysctl command with an argument and parse the result
+    returning only the value of interest.
+    """
+    out = sh(cmdline)
+    result = out.split()[1]
+    try:
+        return int(result)
+    except ValueError:
+        return result
+
+
+def vm_stat(field):
+    """Wrapper around 'vm_stat' cmdline utility."""
+    out = sh('vm_stat')
+    for line in out.split('\n'):
+        if field in line:
+            break
+    else:
+        raise ValueError("line not found")
+    return int(re.search(r'\d+', line).group(0)) * getpagesize()
+
+
+@pytest.mark.skipif(not MACOS, reason="MACOS only")
+class TestProcess(PsutilTestCase):
+    @classmethod
+    def setUpClass(cls):
+        cls.pid = spawn_testproc().pid
+
+    @classmethod
+    def tearDownClass(cls):
+        terminate(cls.pid)
+
+    def test_process_create_time(self):
+        output = sh("ps -o lstart -p %s" % self.pid)
+        start_ps = output.replace('STARTED', '').strip()
+        hhmmss = start_ps.split(' ')[-2]
+        year = start_ps.split(' ')[-1]
+        start_psutil = psutil.Process(self.pid).create_time()
+        assert hhmmss == time.strftime(
+            "%H:%M:%S", time.localtime(start_psutil)
+        )
+        assert year == time.strftime("%Y", time.localtime(start_psutil))
+
+
+@pytest.mark.skipif(not MACOS, reason="MACOS only")
+class TestSystemAPIs(PsutilTestCase):
+
+    # --- disk
+
+    @retry_on_failure()
+    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)
+            assert part.device == dev
+            assert usage.total == total
+            assert abs(usage.free - free) < TOLERANCE_DISK_USAGE
+            assert abs(usage.used - used) < TOLERANCE_DISK_USAGE
+
+    # --- cpu
+
+    def test_cpu_count_logical(self):
+        num = sysctl("sysctl hw.logicalcpu")
+        assert num == psutil.cpu_count(logical=True)
+
+    def test_cpu_count_cores(self):
+        num = sysctl("sysctl hw.physicalcpu")
+        assert num == psutil.cpu_count(logical=False)
+
+    # TODO: remove this once 1892 is fixed
+    @pytest.mark.skipif(
+        MACOS and platform.machine() == 'arm64', reason="skipped due to #1892"
+    )
+    def test_cpu_freq(self):
+        freq = psutil.cpu_freq()
+        assert freq.current * 1000 * 1000 == sysctl("sysctl hw.cpufrequency")
+        assert freq.min * 1000 * 1000 == sysctl("sysctl hw.cpufrequency_min")
+        assert freq.max * 1000 * 1000 == sysctl("sysctl hw.cpufrequency_max")
+
+    # --- virtual mem
+
+    def test_vmem_total(self):
+        sysctl_hwphymem = sysctl('sysctl hw.memsize')
+        assert sysctl_hwphymem == psutil.virtual_memory().total
+
+    @retry_on_failure()
+    def test_vmem_free(self):
+        vmstat_val = vm_stat("free")
+        psutil_val = psutil.virtual_memory().free
+        assert abs(psutil_val - vmstat_val) < TOLERANCE_SYS_MEM
+
+    @retry_on_failure()
+    def test_vmem_active(self):
+        vmstat_val = vm_stat("active")
+        psutil_val = psutil.virtual_memory().active
+        assert abs(psutil_val - vmstat_val) < TOLERANCE_SYS_MEM
+
+    @retry_on_failure()
+    def test_vmem_inactive(self):
+        vmstat_val = vm_stat("inactive")
+        psutil_val = psutil.virtual_memory().inactive
+        assert abs(psutil_val - vmstat_val) < TOLERANCE_SYS_MEM
+
+    @retry_on_failure()
+    def test_vmem_wired(self):
+        vmstat_val = vm_stat("wired")
+        psutil_val = psutil.virtual_memory().wired
+        assert abs(psutil_val - vmstat_val) < TOLERANCE_SYS_MEM
+
+    # --- swap mem
+
+    @retry_on_failure()
+    def test_swapmem_sin(self):
+        vmstat_val = vm_stat("Pageins")
+        psutil_val = psutil.swap_memory().sin
+        assert abs(psutil_val - vmstat_val) < TOLERANCE_SYS_MEM
+
+    @retry_on_failure()
+    def test_swapmem_sout(self):
+        vmstat_val = vm_stat("Pageout")
+        psutil_val = psutil.swap_memory().sout
+        assert abs(psutil_val - vmstat_val) < TOLERANCE_SYS_MEM
+
+    # --- network
+
+    def test_net_if_stats(self):
+        for name, stats in psutil.net_if_stats().items():
+            try:
+                out = sh("ifconfig %s" % name)
+            except RuntimeError:
+                pass
+            else:
+                assert stats.isup == ('RUNNING' in out), out
+                assert stats.mtu == int(re.findall(r'mtu (\d+)', out)[0])
+
+    # --- sensors_battery
+
+    @pytest.mark.skipif(not HAS_BATTERY, reason="no battery")
+    def test_sensors_battery(self):
+        out = sh("pmset -g batt")
+        percent = re.search(r"(\d+)%", out).group(1)
+        drawing_from = re.search("Now drawing from '([^']+)'", out).group(1)
+        power_plugged = drawing_from == "AC Power"
+        psutil_result = psutil.sensors_battery()
+        assert psutil_result.power_plugged == power_plugged
+        assert psutil_result.percent == int(percent)