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#!/usr/bin/python3
# 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"
__email__ = "hadess@hadess.net"
__copyright__ = "(c) 2019, 2021 Red Hat Inc."
__license__ = "LGPL 3+"
import unittest
import sys
import subprocess
import fcntl
import os
import taptestrunner
try:
# Do all non-standard imports here so we can skip the tests if any
# needed packages are not available.
import dbus
import dbus.mainloop.glib
import dbusmock
from gi.repository import GLib
from gi.repository import Gio
dbus.mainloop.glib.DBusGMainLoop(set_as_default=True)
class TestPowerProfileMonitor(dbusmock.DBusTestCase):
"""Test GPowerProfileMonitorDBus"""
@classmethod
def setUpClass(klass):
klass.start_system_bus()
klass.dbus_con = klass.get_dbus(True)
def setUp(self):
try:
Gio.PowerProfileMonitor
except AttributeError:
raise unittest.SkipTest(
"Power Profile Monitor not in "
"introspection data. Requires "
"GObject-Introspection ≥ 1.63.2"
) # FIXME version
try:
(self.p_mock, self.obj_ppd) = self.spawn_server_template(
"upower_power_profiles_daemon", {}, stdout=subprocess.PIPE
)
except ModuleNotFoundError:
raise unittest.SkipTest(
"power-profiles-daemon dbusmock template not "
"found. Requires dbusmock > 0.31.1."
) # FIXME version
# 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.power_saver_enabled = False
self.dbus_props = dbus.Interface(self.obj_ppd, dbus.PROPERTIES_IFACE)
self.power_profile_monitor = Gio.PowerProfileMonitor.dup_default()
assert "GPowerProfileMonitorDBus" in str(self.power_profile_monitor)
self.power_profile_monitor.connect(
"notify::power-saver-enabled", self.power_saver_enabled_cb
)
self.mainloop = GLib.MainLoop()
self.main_context = self.mainloop.get_context()
def tearDown(self):
self.p_mock.terminate()
self.p_mock.wait()
def assertEventually(self, condition, message=None, timeout=5):
"""Assert that condition function eventually returns True.
Timeout is in seconds, defaulting to 5 seconds. message is
printed on failure.
"""
if not message:
message = "timed out waiting for " + str(condition)
def timed_out_cb(message):
self.fail(message)
return GLib.SOURCE_REMOVE
timeout_source = GLib.timeout_source_new_seconds(timeout)
timeout_source.set_callback(timed_out_cb, message)
timeout_source.attach(self.main_context)
while not condition():
self.main_context.iteration(True)
timeout_source.destroy()
def power_saver_enabled_cb(self, spec, data):
self.power_saver_enabled = (
self.power_profile_monitor.get_power_saver_enabled()
)
self.main_context.wakeup()
def test_power_profile_power_saver_enabled(self):
"""power-saver-enabled property"""
self.assertEqual(
self.power_profile_monitor.get_power_saver_enabled(), False
)
self.dbus_props.Set(
"org.freedesktop.UPower.PowerProfiles",
"ActiveProfile",
dbus.String("power-saver", variant_level=1),
)
self.assertEventually(
lambda: self.power_saver_enabled == True,
"power-saver didn't become enabled",
1,
)
self.dbus_props.Set(
"org.freedesktop.UPower.PowerProfiles",
"ActiveProfile",
dbus.String("balanced", variant_level=1),
)
self.assertEventually(
lambda: self.power_saver_enabled == False,
"power-saver didn't become disabled",
1,
)
except ImportError as e:
@unittest.skip("Cannot import %s" % e.name)
class TestPowerProfileMonitor(unittest.TestCase):
def test_power_profile_power_saver_enabled(self):
pass
if __name__ == "__main__":
unittest.main(testRunner=taptestrunner.TAPTestRunner())
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