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upower/src/linux/integration-test

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#!/usr/bin/python3
# upower integration test suite
#
# Run in built tree to test local built binaries, or from anywhere else to test
# system installed binaries.
#
# Copyright: (C) 2011 Martin Pitt <martin.pitt@ubuntu.com>
#
# This program is free software; you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
# the Free Software Foundation; either version 2 of the License, or
# (at your option) any later version.
#
# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
# GNU General Public License for more details.
import os
import sys
import tempfile
import subprocess
import unittest
import shutil
import time
try:
from gi.repository import GLib
from gi.repository import Gio
except ImportError as e:
sys.stderr.write('Skipping tests, PyGobject not available for Python 3, or missing GI typelibs: %s\n' % str(e))
sys.exit(0)
UP = 'org.freedesktop.UPower'
(UP_DEVICE_STATE_UNKNOWN,
UP_DEVICE_STATE_CHARGING,
UP_DEVICE_STATE_DISCHARGING,
UP_DEVICE_STATE_EMPTY,
UP_DEVICE_STATE_FULLY_CHARGED) = (0, 1, 2, 3, 4)
class Tests(unittest.TestCase):
@classmethod
def setUpClass(cls):
# run from local build tree if we are in one, otherwise use system instance
builddir = os.getenv('top_builddir', '.')
if os.access (os.path.join(builddir, 'src', 'upowerd'), os.X_OK):
daemon_path = os.path.join(builddir, 'src', 'upowerd')
print('Testing binaries from local build tree')
else:
print('Testing installed system binaries')
daemon_path = None
with open('/usr/share/dbus-1/system-services/org.freedesktop.UPower.service') as f:
for line in f:
if line.startswith('Exec='):
daemon_path = line.split('=', 1)[1].strip()
break
assert daemon_path, 'could not determine daemon path from D-BUS .service file'
# if we are root, test the real thing on the system bus, otherwise
# start on the session bus
if os.geteuid() == 0:
# kill running daemons
subprocess.call(['killall', 'upowerd'])
cls.dbus = Gio.bus_get_sync(Gio.BusType.SYSTEM, None)
cls.daemon_argv = [daemon_path]
print('Testing as root on the system bus')
else:
cls.dbus = Gio.bus_get_sync(Gio.BusType.SESSION, None)
cls.daemon_argv = [daemon_path, '--test']
# use dbus-lauch if possible
print('Testing as user on the session bus')
def setUp(self):
'''Set up a local sysfs tree and determine paths.
The sysfs tree is empty initially and needs to be populated with
@add_device.
'''
self.sysfs = tempfile.mkdtemp()
self.proxy = None
self.log = None
self.daemon = None
def tearDown(self):
self.stop_daemon()
shutil.rmtree(self.sysfs)
# on failures, print daemon log
if not self._outcomeForDoCleanups.success:
with open(self.log.name) as f:
sys.stderr.write('\n-------------- daemon log: ----------------\n')
sys.stderr.write(f.read())
sys.stderr.write('------------------------------\n')
#
# Methods for fake sysfs
#
def add_device(self, subsystem, name, attributes, properties=None):
'''Add a new device to the local sysfs tree.
Return the device path.
'''
dev_dir = os.path.join(self.sysfs, 'devices', name)
if not os.path.isdir(dev_dir):
os.makedirs(dev_dir)
class_dir = os.path.join(self.sysfs, 'class', subsystem)
if not os.path.isdir(class_dir):
os.makedirs(class_dir)
os.symlink(os.path.join('..', '..', 'devices', name), os.path.join(class_dir, name))
os.symlink(os.path.join('..', '..', 'class', subsystem), os.path.join(dev_dir, 'subsystem'))
attributes['uevent'] = self._props_to_str(properties)
for a, v in attributes.items():
self.set_sys_attribute(dev_dir, a, v)
return dev_dir
def get_sys_attribute(self, devpath, name):
'''Get device attribute from the local sysfs tree.'''
with open(os.path.join(devpath, name), 'r') as f:
return f.read()
def set_sys_attribute(self, devpath, name, value):
'''Set device attribute in the local sysfs tree.'''
with open(os.path.join(devpath, name), 'w') as f:
f.write(value)
def set_sys_property(self, devpath, name, value):
'''Set device udev property in the local sysfs tree.'''
prop_str = self.get_sys_attribute(devpath, 'uevent')
props = {}
for l in prop_str.splitlines():
(k, v) = l.split('=')
props[k] = v.rstrip()
props[name] = value
self.set_sys_attribute(devpath, 'uevent', self._props_to_str(props))
#
# Daemon control and D-BUS I/O
#
def start_daemon(self):
'''Start daemon and create DBus proxy.
Do this after adding the devices you want to test with. At the moment
this only works with coldplugging, as we do not currently have a way to
inject simulated uevents.
When done, this sets self.proxy a the Gio.DBusProxy for upowerd.
'''
env = os.environ.copy()
env['SYSFS_PATH'] = self.sysfs
self.log = tempfile.NamedTemporaryFile()
self.daemon = subprocess.Popen(self.daemon_argv,
env=env, stdout=self.log, stderr=subprocess.STDOUT)
# wait until the daemon gets online
while True:
time.sleep(0.1)
try:
self.get_dbus_property('DaemonVersion')
break
except GLib.GError:
pass
self.proxy = Gio.DBusProxy.new_sync(self.dbus,
Gio.DBusProxyFlags.DO_NOT_AUTO_START, None,
UP, '/org/freedesktop/UPower', UP, None)
self.assertEqual(self.daemon.poll(), None, 'daemon crashed')
def stop_daemon(self):
'''Stop the daemon if it is running.'''
if self.daemon:
try:
self.daemon.kill()
except OSError:
pass
self.daemon.wait()
self.daemon = None
self.proxy = None
def get_dbus_property(self, name):
'''Get property value from daemon D-Bus interface.'''
proxy = Gio.DBusProxy.new_sync(self.dbus,
Gio.DBusProxyFlags.DO_NOT_AUTO_START, None,
UP, '/org/freedesktop/UPower',
'org.freedesktop.DBus.Properties', None)
return proxy.Get('(ss)', UP, name)
def get_dbus_dev_property(self, device, name):
'''Get property value from an upower device D-Bus path.'''
proxy = Gio.DBusProxy.new_sync(self.dbus,
Gio.DBusProxyFlags.DO_NOT_AUTO_START, None,
UP, device, 'org.freedesktop.DBus.Properties', None)
return proxy.Get('(ss)', UP + '.Device', name)
#
# Actual test cases
#
def test_daemon_version(self):
'''DaemonVersion property'''
self.start_daemon()
self.assertEqual(self.proxy.EnumerateDevices(), [])
self.assertRegex(self.get_dbus_property('DaemonVersion'), '^[0-9.]+$')
# without any devices we should assume AC
self.assertEqual(self.get_dbus_property('OnBattery'), False)
self.assertEqual(self.get_dbus_property('OnLowBattery'), False)
def test_battery_ac(self):
'''battery properties with and without AC'''
# without any devices we should assume AC
self.start_daemon()
self.assertEqual(self.get_dbus_property('OnBattery'), False)
self.assertEqual(self.get_dbus_property('OnLowBattery'), False)
self.stop_daemon()
# online AC
ac = self.add_device('power_supply', 'AC',
{'type': 'Mains', 'online': '1' })
self.start_daemon()
devs = self.proxy.EnumerateDevices()
self.assertEqual(len(devs), 1)
ac_up = devs[0]
self.assertTrue('line_power_AC' in ac_up)
self.assertEqual(self.get_dbus_property('OnBattery'), False)
self.assertEqual(self.get_dbus_property('OnLowBattery'), False)
self.assertEqual(self.get_dbus_dev_property(ac_up, 'PowerSupply'), True)
self.assertEqual(self.get_dbus_dev_property(ac_up, 'Online'), True)
self.assertEqual(self.get_dbus_dev_property(ac_up, 'NativePath'), ac)
self.stop_daemon()
# offline AC
self.set_sys_attribute(ac, 'online', '0')
self.start_daemon()
devs = self.proxy.EnumerateDevices()
self.assertEqual(len(devs), 1)
# we don't have any known online power device now, but still no battery
self.assertEqual(self.get_dbus_property('OnBattery'), False)
self.assertEqual(self.get_dbus_property('OnLowBattery'), False)
self.assertEqual(self.get_dbus_dev_property(ac_up, 'Online'), False)
self.stop_daemon()
# offline AC + discharging battery
bat0 = self.add_device('power_supply', 'BAT0',
{'type': 'Battery',
'present': '1',
'status': 'Discharging',
'energy_full': '60000000',
'energy_full_design': '80000000',
'energy_now': '48000000',
'voltage_now': '12000000'})
self.start_daemon()
devs = self.proxy.EnumerateDevices()
self.assertEqual(len(devs), 2)
if devs[0] == ac_up:
bat0_up = devs[1]
else:
bat0_up = devs[0]
# we don't have any known online power device now, but still no battery
self.assertEqual(self.get_dbus_property('OnBattery'), True)
self.assertEqual(self.get_dbus_property('OnLowBattery'), False)
self.assertEqual(self.get_dbus_dev_property(bat0_up, 'IsPresent'), True)
self.assertEqual(self.get_dbus_dev_property(bat0_up, 'State'), UP_DEVICE_STATE_DISCHARGING)
self.assertEqual(self.get_dbus_dev_property(bat0_up, 'Percentage'), 80.0)
self.assertEqual(self.get_dbus_dev_property(bat0_up, 'Energy'), 48.0)
self.assertEqual(self.get_dbus_dev_property(bat0_up, 'EnergyFull'), 60.0)
self.assertEqual(self.get_dbus_dev_property(bat0_up, 'EnergyFullDesign'), 80.0)
self.assertEqual(self.get_dbus_dev_property(bat0_up, 'Voltage'), 12.0)
self.assertEqual(self.get_dbus_dev_property(bat0_up, 'NativePath'), bat0)
self.stop_daemon()
# offline AC + discharging low battery
self.set_sys_attribute(bat0, 'energy_now', '1500000')
self.start_daemon()
self.assertEqual(self.get_dbus_property('OnBattery'), True)
self.assertEqual(self.get_dbus_property('OnLowBattery'), True)
self.assertEqual(self.get_dbus_dev_property(bat0_up, 'IsPresent'), True)
self.assertEqual(self.get_dbus_dev_property(bat0_up, 'State'), UP_DEVICE_STATE_DISCHARGING)
self.assertEqual(self.get_dbus_dev_property(bat0_up, 'Percentage'), 2.5)
self.stop_daemon()
# now connect AC again
self.set_sys_attribute(ac, 'online', '1')
self.start_daemon()
devs = self.proxy.EnumerateDevices()
self.assertEqual(len(devs), 2)
# we don't have any known online power device now, but still no battery
self.assertEqual(self.get_dbus_property('OnBattery'), False)
self.assertEqual(self.get_dbus_property('OnLowBattery'), False)
self.assertEqual(self.get_dbus_dev_property(ac_up, 'Online'), True)
self.stop_daemon()
def test_multiple_batteries(self):
'''Multiple batteries'''
# one well charged, one low
bat0 = self.add_device('power_supply', 'BAT0',
{'type': 'Battery',
'present': '1',
'status': 'Discharging',
'energy_full': '60000000',
'energy_full_design': '80000000',
'energy_now': '48000000',
'voltage_now': '12000000'})
bat1 = self.add_device('power_supply', 'BAT1',
{'type': 'Battery',
'present': '1',
'status': 'Discharging',
'energy_full': '60000000',
'energy_full_design': '80000000',
'energy_now': '1500000',
'voltage_now': '12000000'})
self.start_daemon()
devs = self.proxy.EnumerateDevices()
self.assertEqual(len(devs), 2)
# as we have one which is well-charged, the summary state is "not low
# battery"
self.assertEqual(self.get_dbus_property('OnBattery'), True)
self.assertEqual(self.get_dbus_property('OnLowBattery'), False)
self.stop_daemon()
# now set both to low
self.set_sys_attribute(bat0, 'energy_now', '1500000')
self.start_daemon()
self.assertEqual(self.get_dbus_property('OnBattery'), True)
self.assertEqual(self.get_dbus_property('OnLowBattery'), True)
self.stop_daemon()
def test_unknown_battery_status(self):
'''Unknown battery charge status'''
bat0 = self.add_device('power_supply', 'BAT0',
{'type': 'Battery',
'present': '1',
'status': 'unknown',
'energy_full': '60000000',
'energy_full_design': '80000000',
'energy_now': '48000000',
'voltage_now': '12000000'})
# with no other power sources, the OnBattery value here is really
# arbitrary, so don't test it. The only thing we know for sure is that
# we aren't on low battery
self.start_daemon()
self.assertEqual(self.get_dbus_property('OnLowBattery'), False)
self.stop_daemon()
# However, if we have an AC, we can infer
ac = self.add_device('power_supply', 'AC',
{'type': 'Mains', 'online': '0' })
self.start_daemon()
self.assertEqual(self.get_dbus_property('OnBattery'), True)
self.assertEqual(self.get_dbus_property('OnLowBattery'), False)
self.stop_daemon()
self.set_sys_attribute(ac, 'online', '1')
self.start_daemon()
self.assertEqual(self.get_dbus_property('OnBattery'), False)
self.assertEqual(self.get_dbus_property('OnLowBattery'), False)
self.stop_daemon()
def test_battery_charge(self):
'''battery which reports charge instead of energy
energy_* is in uWh, while charge_* is in uAh.
'''
bat0 = self.add_device('power_supply', 'BAT0',
{'type': 'Battery',
'present': '1',
'status': 'Discharging',
'charge_full': '10500000',
'charge_full_design': '11000000',
'charge_now': '7875000',
'current_now': '787000',
'voltage_now': '12000000'})
self.start_daemon()
devs = self.proxy.EnumerateDevices()
self.assertEqual(len(devs), 1)
bat0_up = devs[0]
self.assertEqual(self.get_dbus_property('OnBattery'), True)
self.assertEqual(self.get_dbus_property('OnLowBattery'), False)
self.assertEqual(self.get_dbus_dev_property(bat0_up, 'IsPresent'), True)
self.assertEqual(self.get_dbus_dev_property(bat0_up, 'State'), UP_DEVICE_STATE_DISCHARGING)
self.assertEqual(self.get_dbus_dev_property(bat0_up, 'Percentage'), 75.0)
self.assertEqual(self.get_dbus_dev_property(bat0_up, 'Energy'), 94.5)
self.assertEqual(self.get_dbus_dev_property(bat0_up, 'EnergyFull'), 126.0)
self.assertEqual(self.get_dbus_dev_property(bat0_up, 'EnergyFullDesign'), 132.0)
self.assertEqual(self.get_dbus_dev_property(bat0_up, 'Voltage'), 12.0)
self.assertEqual(self.get_dbus_dev_property(bat0_up, 'NativePath'), bat0)
self.stop_daemon()
def test_ups_ac(self):
'''UPS properties with and without AC'''
# add a charging UPS
ups0 = self.add_device('usb', 'hiddev0', {},
{'DEVNAME': 'null', 'UPOWER_VENDOR': 'APC',
'UPOWER_BATTERY_TYPE': 'ups',
'UPOWER_FAKE_DEVICE': '1',
'UPOWER_FAKE_HID_CHARGING': '1',
'UPOWER_FAKE_HID_PERCENTAGE': '70'})
self.start_daemon()
devs = self.proxy.EnumerateDevices()
self.assertEqual(len(devs), 1)
ups0_up = devs[0]
self.assertEqual(self.get_dbus_dev_property(ups0_up, 'IsPresent'), True)
self.assertEqual(self.get_dbus_dev_property(ups0_up, 'Percentage'), 70.0)
self.assertEqual(self.get_dbus_dev_property(ups0_up, 'State'), UP_DEVICE_STATE_CHARGING)
self.assertEqual(self.get_dbus_property('OnBattery'), False)
self.assertEqual(self.get_dbus_property('OnLowBattery'), False)
self.stop_daemon()
# now switch to discharging UPS
self.set_sys_property(ups0, 'UPOWER_FAKE_HID_CHARGING', '0')
self.start_daemon()
devs = self.proxy.EnumerateDevices()
self.assertEqual(len(devs), 1)
self.assertEqual(devs[0], ups0_up)
self.assertEqual(self.get_dbus_dev_property(ups0_up, 'IsPresent'), True)
self.assertEqual(self.get_dbus_dev_property(ups0_up, 'Percentage'), 70.0)
self.assertEqual(self.get_dbus_dev_property(ups0_up, 'State'), UP_DEVICE_STATE_DISCHARGING)
self.assertEqual(self.get_dbus_property('OnBattery'), True)
self.assertEqual(self.get_dbus_property('OnLowBattery'), False)
self.stop_daemon()
# low UPS charge
self.set_sys_property(ups0, 'UPOWER_FAKE_HID_PERCENTAGE', '2')
self.start_daemon()
self.assertEqual(self.get_dbus_dev_property(ups0_up, 'Percentage'), 2.0)
self.assertEqual(self.get_dbus_dev_property(ups0_up, 'State'), UP_DEVICE_STATE_DISCHARGING)
self.assertEqual(self.get_dbus_property('OnBattery'), True)
self.assertEqual(self.get_dbus_property('OnLowBattery'), True)
self.stop_daemon()
# now add an offline AC, should still be on battery
ac = self.add_device('power_supply', 'AC',
{'type': 'Mains', 'online': '0' })
self.start_daemon()
devs = self.proxy.EnumerateDevices()
self.assertEqual(len(devs), 2)
if devs[0] == ups0_up:
ac_up = devs[1]
else:
ac_up = devs[0]
self.assertEqual(self.get_dbus_dev_property(ups0_up, 'Percentage'), 2.0)
self.assertEqual(self.get_dbus_dev_property(ups0_up, 'State'), UP_DEVICE_STATE_DISCHARGING)
self.assertEqual(self.get_dbus_property('OnBattery'), True)
self.assertEqual(self.get_dbus_property('OnLowBattery'), True)
self.stop_daemon()
# now plug in the AC, should switch to OnBattery=False
self.set_sys_attribute(ac, 'online', '1')
self.start_daemon()
self.assertEqual(self.get_dbus_property('OnBattery'), False)
self.assertEqual(self.get_dbus_property('OnLowBattery'), False)
self.stop_daemon()
#
# Helper methods
#
@classmethod
def _props_to_str(cls, properties):
'''Convert a properties dictionary to uevent text representation.'''
prop_str = ''
if properties:
for k, v in properties.items():
prop_str += '%s=%s\n' % (k, v)
return prop_str
if __name__ == '__main__':
unittest.main()
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