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# This program is free software; you can redistribute it and/or modify it under
# the terms of the GNU Lesser General Public License as published by the Free
# Software Foundation; either version 3 of the License, or (at your option) any
# later version. See http://www.gnu.org/copyleft/lgpl.html for the full text
# of the license.
__author__ = "Bastien Nocera"
__copyright__ = """
(c) 2021 Red Hat Inc.
(c) 2017 - 2022 Martin Pitt <martin@piware.de>
"""
import fcntl
import os
import re
import shutil
import subprocess
import sys
import time
import unittest
import dbus
import dbus.mainloop.glib
import dbusmock
dbus.mainloop.glib.DBusGMainLoop(set_as_default=True)
have_powerprofilesctl = shutil.which("powerprofilesctl")
@unittest.skipUnless(have_powerprofilesctl, "powerprofilesctl not installed")
class TestPowerProfilesDaemon(dbusmock.DBusTestCase):
"""Test mocking power-profiles-daemon"""
@classmethod
def setUpClass(cls):
cls.start_system_bus()
cls.dbus_con = cls.get_dbus(True)
def setUp(self):
# depending on the installed client version, we need to pick the right template
try:
out = subprocess.run(["powerprofilesctl", "version"], capture_output=True, text=True, check=True).stdout
version = re.search(r"[0-9.]+", out).group(0)
version = ".".join(version.strip().split(".")[:2])
template = "power_profiles_daemon" if float(version) < 0.2 else "upower_power_profiles_daemon"
except subprocess.CalledProcessError as e:
# 0.20 crashes without daemon: https://gitlab.freedesktop.org/upower/power-profiles-daemon/-/issues/139
print("Failed to get powerprofilesctl version, assuming >= 0.20:", e, file=sys.stderr)
template = "upower_power_profiles_daemon"
(self.p_mock, self.obj_ppd) = self.spawn_server_template(template, {}, stdout=subprocess.PIPE)
# set log to nonblocking
flags = fcntl.fcntl(self.p_mock.stdout, fcntl.F_GETFL)
fcntl.fcntl(self.p_mock.stdout, fcntl.F_SETFL, flags | os.O_NONBLOCK)
self.dbusmock = dbus.Interface(self.obj_ppd, dbusmock.MOCK_IFACE)
def tearDown(self):
self.p_mock.stdout.close()
self.p_mock.terminate()
self.p_mock.wait()
def test_list_profiles(self):
"""List Profiles and check active profile"""
out = subprocess.check_output(["powerprofilesctl"], text=True)
self.assertIn("performance:\n", out)
self.assertIn("\n* balanced:\n", out)
def test_change_profile(self):
"""Change ActiveProfile"""
subprocess.check_output(["powerprofilesctl", "set", "performance"], text=True)
out = subprocess.check_output(["powerprofilesctl", "get"], text=True)
self.assertEqual(out, "performance\n")
def run_powerprofilesctl_list_holds(self):
return subprocess.check_output(["powerprofilesctl", "list-holds"], text=True)
def test_list_holds(self):
"""Test holds"""
# No holds
out = self.run_powerprofilesctl_list_holds()
self.assertEqual(out, "")
# 1 hold
# pylint: disable=consider-using-with
cmd = subprocess.Popen(
[
"powerprofilesctl",
"launch",
"-p",
"power-saver",
"-r",
"g-s-d mock test",
"-i",
"org.gnome.SettingsDaemon.Power",
"sleep",
"60",
],
stdout=subprocess.PIPE,
)
time.sleep(0.3)
out = self.run_powerprofilesctl_list_holds()
self.assertEqual(
out,
(
"Hold:\n"
" Profile: power-saver\n"
" Application ID:"
" org.gnome.SettingsDaemon.Power\n"
" Reason: g-s-d mock test\n"
),
)
# 2 holds
# pylint: disable=consider-using-with
cmd2 = subprocess.Popen(
[
"powerprofilesctl",
"launch",
"-p",
"performance",
"-r",
"running some game",
"-i",
"com.game.Game",
"sleep",
"60",
],
stdout=subprocess.PIPE,
)
out = None
timeout = 2.0
while timeout > 0:
time.sleep(0.1)
timeout -= 0.1
out = self.run_powerprofilesctl_list_holds()
if out != "":
break
else:
self.fail("could not list holds")
self.assertEqual(
out,
(
"Hold:\n"
" Profile: power-saver\n"
" Application ID:"
" org.gnome.SettingsDaemon.Power\n"
" Reason: g-s-d mock test\n\n"
"Hold:\n"
" Profile: performance\n"
" Application ID: com.game.Game\n"
" Reason: running some game\n"
),
)
cmd.stdout.close()
cmd.terminate()
cmd.wait()
cmd2.stdout.close()
cmd2.terminate()
cmd2.wait()
def test_release_hold(self):
"""Test release holds"""
# No holds
out = self.run_powerprofilesctl_list_holds()
self.assertEqual(out, "")
# hold profile
cookie = self.obj_ppd.HoldProfile("performance", "release test", "com.test.Test")
out = self.run_powerprofilesctl_list_holds()
self.assertEqual(
out,
(
"Hold:\n"
" Profile: performance\n"
" Application ID: com.test.Test\n"
" Reason: release test\n"
),
)
# release profile
self.obj_ppd.ReleaseProfile(cookie)
time.sleep(0.3)
out = self.run_powerprofilesctl_list_holds()
self.assertEqual(out, "")
if __name__ == "__main__":
# avoid writing to stderr
unittest.main(testRunner=unittest.TextTestRunner(stream=sys.stdout, verbosity=2))
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