1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
|
# Copyright (C) 2009 Nokia Corporation
# Copyright (C) 2009 Collabora Ltd.
#
# This library 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 2.1 of the License, or (at your option) any later version.
#
# This library 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
# Lesser General Public License for more details.
#
# You should have received a copy of the GNU Lesser General Public
# License along with this library; if not, write to the Free Software
# Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA
# 02110-1301 USA
import dbus
"""Regression test for a client crashing when Get is called.
"""
import dbus
import dbus.service
from servicetest import EventPattern, tp_name_prefix, tp_path_prefix, \
call_async, sync_dbus
from mctest import exec_test, SimulatedConnection, SimulatedClient, \
create_fakecm_account, enable_fakecm_account, SimulatedChannel, \
expect_client_setup
import constants as cs
def test(q, bus, mc):
params = dbus.Dictionary({"account": "someguy@example.com",
"password": "secrecy"}, signature='sv')
simulated_cm, account = create_fakecm_account(q, bus, mc, params)
conn = enable_fakecm_account(q, bus, mc, account, params)
bus_name = '.'.join([tp_name_prefix, 'Client.CrashMe'])
bus_name_ref = dbus.service.BusName(bus_name, bus)
object_path = '/' + bus_name.replace('.', '/')
# MC inspects it
e = q.expect('dbus-method-call',
interface=cs.PROPERTIES_IFACE, method='Get',
path=object_path,
args=[cs.CLIENT, 'Interfaces'],
handled=False)
# Simulate a crash
del bus_name_ref
sync_dbus(bus, q, account)
# This might crash MC in sympathy
q.dbus_raise(e.message, cs.DBUS_ERROR_NO_REPLY, 'I crashed')
sync_dbus(bus, q, account)
# Try again
bus_name = '.'.join([tp_name_prefix, 'Client.CrashMeAgain'])
bus_name_ref = dbus.service.BusName(bus_name, bus)
object_path = '/' + bus_name.replace('.', '/')
# MC inspects it
e = q.expect('dbus-method-call',
interface=cs.PROPERTIES_IFACE, method='Get',
path=object_path,
args=[cs.CLIENT, 'Interfaces'],
handled=False)
# Don't crash just yet
q.dbus_return(e.message, dbus.Array([cs.OBSERVER], signature='s'),
signature='v')
# MC investigates further
e = q.expect('dbus-method-call',
interface=cs.PROPERTIES_IFACE, method='GetAll',
path=object_path,
args=[cs.OBSERVER],
handled=False)
# Simulate another crash
del bus_name_ref
sync_dbus(bus, q, account)
q.dbus_raise(e.message, cs.DBUS_ERROR_NO_REPLY, 'I crashed')
# Try again
bus_name = '.'.join([tp_name_prefix, 'Client.CrashMeHarder'])
bus_name_ref = dbus.service.BusName(bus_name, bus)
object_path = '/' + bus_name.replace('.', '/')
# MC inspects it
e = q.expect('dbus-method-call',
interface=cs.PROPERTIES_IFACE, method='Get',
path=object_path,
args=[cs.CLIENT, 'Interfaces'],
handled=False)
# Don't crash just yet
q.dbus_return(e.message, dbus.Array([cs.OBSERVER], signature='s'),
signature='v')
# MC investigates further
e = q.expect('dbus-method-call',
interface=cs.PROPERTIES_IFACE, method='GetAll',
path=object_path,
args=[cs.OBSERVER],
handled=False)
# Simulate a crash with highly unfortunate timing
del bus_name_ref
sync_dbus(bus, q, account)
q.dbus_return(e.message, dbus.Array([dbus.Dictionary({
'x': 'y',
}, signature='sv')], signature='a{sv}'), signature='v')
sync_dbus(bus, q, account)
if __name__ == '__main__':
exec_test(test, {})
|
