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#!/usr/bin/python
# Copyright (C) 2009 Canonical Ltd.
# This program is free software: you can redistribute it and/or modify
# it under the terms of the GNU General Public License version 3,
# as published by the Free Software Foundation.
#
# 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.
#
# You should have received a copy of the GNU General Public License
# along with this program. If not, see <http://www.gnu.org/licenses/>.
from twisted.trial import unittest
from twisted.internet.defer import Deferred
# TODO evand 2009-06-02: Move the common bits into a unittest.TestCase
# subclass like the Ubuntu One client does?
import dbus
import dbus.service
from dbus.mainloop.glib import DBusGMainLoop
DBusGMainLoop(set_as_default=True)
DISKS_IFACE = 'org.freedesktop.UDisks'
DEVICE_IFACE = 'org.freedesktop.UDisks.Device'
PROPS_IFACE = 'org.freedesktop.DBus.Properties'
class TestDbus(unittest.TestCase):
def setUp(self):
# TODO evand 2009-07-01: Move to a private bus. See the notes in
# test_udisks_backend.py
self.bus = dbus.SessionBus()
self.d = FakeUDisks(self.bus, '/org/freedesktop/UDisks')
self.udisks = self.bus.get_object(DISKS_IFACE,
'/org/freedesktop/UDisks')
def tearDown(self):
# FIXME evand 2009-07-06: There must be a better way...
for dev in self.d.device_objects:
dev.bus_name.get_bus().release_name(dev.bus_name.get_name())
dev.remove_from_connection()
del dev.bus_name
self.d.bus_name.get_bus().release_name(self.d.bus_name.get_name())
self.d.remove_from_connection()
del self.d.bus_name
def test_enumerate(self):
d = Deferred()
def handle_reply(result):
d.callback(result)
def handle_error(err):
d.errback(err)
self.udisks.EnumerateDevices(dbus_interface=DISKS_IFACE,
reply_handler=handle_reply,
error_handler=handle_error)
return d
def test_props(self):
d = Deferred()
def handle_reply(result):
d.callback(result)
def handle_error(err):
d.errback(err)
path = '/org/freedesktop/UDisks/devices/sdb'
device = self.bus.get_object(DISKS_IFACE, path)
device.Get(path,
'device-is-system-internal',
dbus_interface=PROPS_IFACE,
reply_handler=handle_reply,
error_handler=handle_error)
return d
def test_added(self):
'''Fires the DeviceAdded signal.'''
d = Deferred()
def handle_reply(result):
d.callback(result)
def handle_error(err):
d.errback(err)
self.bus.add_signal_receiver(handle_reply,
signal_name='DeviceAdded',
dbus_interface=DISKS_IFACE,
path='/org/freedesktop/UDisks')
self.udisks.emitDeviceAdded(reply_handler=lambda : None,
error_handler=handle_error)
return d
def test_removed(self):
'''Fires the DeviceRemoved signal.'''
d = Deferred()
def handle_reply(result):
d.callback(result)
def handle_error(err):
d.errback(err)
self.bus.add_signal_receiver(handle_reply,
signal_name='DeviceRemoved',
dbus_interface=DISKS_IFACE,
path='/org/freedesktop/UDisks')
self.udisks.emitDeviceRemoved(reply_handler=lambda : None,
error_handler=handle_error)
return d
# XXX evand 2009-07-07: Built according to the udisks specification:
# http://hal.freedesktop.org/docs/udisks/
class FakeUDisks(dbus.service.Object):
def __init__(self, bus, path):
self.bus_name = dbus.service.BusName(DISKS_IFACE,
bus)
self.devices = {'/org/freedesktop/UDisks/devices/sdb' :
{ 'device-is-system-internal' : False,
'device-is-drive' : True,
'device-is-optical-disc' : False,
},
'/org/freedesktop/UDisks/devices/sdb1' :
{ 'device-is-system-internal' : False,
'device-is-drive' : False,
'device-is-partition' : True,
'partition-label' : 'test-label',
'device-is-optical-disc' : False,
},
'/org/freedesktop/UDisks/devices/scd0' :
{ 'device-is-optical-disc' : True,
},
}
dbus.service.Object.__init__(self, bus, path)
self.device_objects = []
for d in self.devices:
self.device_objects.append(FakeUDisksDevice(bus, d,
self.devices[d]))
@dbus.service.method(DISKS_IFACE, out_signature='ao')
def EnumerateDevices(self):
return list(self.devices.keys())
@dbus.service.signal(DISKS_IFACE, signature='o')
def DeviceAdded(self, path):
pass
@dbus.service.method(DISKS_IFACE)
def emitDeviceAdded(self):
self.DeviceAdded('/org/freedesktop/UDisks/devices/sdc')
@dbus.service.signal(DISKS_IFACE, signature='o')
def DeviceRemoved(self, path):
pass
@dbus.service.method(DISKS_IFACE)
def emitDeviceRemoved(self):
self.DeviceRemoved('/org/freedesktop/UDisks/devices/sdc')
class FakeUDisksDevice(dbus.service.Object):
def __init__(self, bus, path, props):
self.props = props
self.bus_name = dbus.service.BusName(DISKS_IFACE,
bus)
dbus.service.Object.__init__(self, bus, path)
@dbus.service.method(PROPS_IFACE, in_signature='ss', out_signature='v')
def Get(self, iface, prop):
return self.props[prop]
@dbus.service.method(DEVICE_IFACE, in_signature='sas', out_signature='s')
def FilesystemMount(self, filesystem_type, options):
return '/tmp'
if __name__ == '__main__':
import gobject
f = FakeUDisks(dbus.SessionBus(), '/org/freedesktop/UDisks')
gobject.MainLoop().run()
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