test/test-signals.py

   1 #!/usr/bin/env python
   2
   3 # Copyright (C) 2004 Red Hat Inc. <http://www.redhat.com/>
   4 # Copyright (C) 2005, 2006 Collabora Ltd. <http://www.collabora.co.uk/>
   5 #
   6 # Licensed under the Academic Free License version 2.1
   7 #
   8 # This program is free software; you can redistribute it and/or modify
   9 # it under the terms of the GNU General Public License as published by
  10 # the Free Software Foundation; either version 2 of the License, or
  11 # (at your option) any later version.
  12 #
  13 # This program is distributed in the hope that it will be useful,
  14 # but WITHOUT ANY WARRANTY; without even the implied warranty of
  15 # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  16 # GNU General Public License for more details.
  17 #
  18 # You should have received a copy of the GNU General Public License
  19 # along with this program; if not, write to the Free Software
  20 # Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
  21
  22
  23 import sys
  24 import os
  25 import unittest
  26 import time
  27 import logging
  28
  29 builddir = os.path.normpath(os.environ["DBUS_TOP_BUILDDIR"])
  30 pydir = os.path.normpath(os.environ["DBUS_TOP_SRCDIR"])
  31
  32 import dbus
  33 import _dbus_bindings
  34 import gobject
  35 import dbus.glib
  36 import dbus.service
  37
  38
  39 logging.basicConfig()
  40 logging.getLogger().setLevel(1)
  41 logger = logging.getLogger('test-signals')
  42
  43
  44 pkg = dbus.__file__
  45 if not pkg.startswith(pydir):
  46     raise Exception("DBus modules (%s) are not being picked up from the package"%pkg)
  47
  48 if not _dbus_bindings.__file__.startswith(builddir):
  49     raise Exception("DBus modules (%s) are not being picked up from the package"%_dbus_bindings.__file__)
  50
  51 class TestSignals(unittest.TestCase):
  52     def setUp(self):
  53         logger.info('setUp()')
  54         self.bus = dbus.SessionBus()
  55         self.remote_object = self.bus.get_object("org.freedesktop.DBus.TestSuitePythonService", "/org/freedesktop/DBus/TestSuitePythonObject")
  56         self.remote_object_follow = self.bus.get_object("org.freedesktop.DBus.TestSuitePythonService", "/org/freedesktop/DBus/TestSuitePythonObject", follow_name_owner_changes=True)
  57         self.iface = dbus.Interface(self.remote_object, "org.freedesktop.DBus.TestSuiteInterface")
  58         self.iface_follow = dbus.Interface(self.remote_object_follow, "org.freedesktop.DBus.TestSuiteInterface")
  59         self.in_test = None
  60
  61     def signal_test_impl(self, iface, name, test_removal=False):
  62         self.in_test = name
  63         # using append rather than assignment here to avoid scoping issues
  64         result = []
  65
  66         def _timeout_handler():
  67             logger.debug('_timeout_handler for %s: current state %s', name, self.in_test)
  68             if self.in_test == name:
  69                 main_loop.quit()
  70         def _signal_handler(s, sender, path):
  71             logger.debug('_signal_handler for %s: current state %s', name, self.in_test)
  72             if self.in_test not in (name, name + '+removed'):
  73                 return
  74             logger.info('Received signal from %s:%s, argument is %r',
  75                         sender, path, s)
  76             result.append('received')
  77             main_loop.quit()
  78         def _rm_timeout_handler():
  79             logger.debug('_timeout_handler for %s: current state %s', name, self.in_test)
  80             if self.in_test == name + '+removed':
  81                 main_loop.quit()
  82
  83         logger.info('Testing %s', name)
  84         match = iface.connect_to_signal('SignalOneString', _signal_handler,
  85                                         sender_keyword='sender',
  86                                         path_keyword='path')
  87         logger.info('Waiting for signal...')
  88         iface.EmitSignal('SignalOneString', 0)
  89         source_id = gobject.timeout_add(1000, _timeout_handler)
  90         main_loop.run()
  91         if not result:
  92             raise AssertionError('Signal did not arrive within 1 second')
  93         logger.debug('Removing match')
  94         match.remove()
  95         gobject.source_remove(source_id)
  96         if test_removal:
  97             self.in_test = name + '+removed'
  98             logger.info('Testing %s', name)
  99             result = []
 100             iface.EmitSignal('SignalOneString', 0)
 101             source_id = gobject.timeout_add(1000, _rm_timeout_handler)
 102             main_loop.run()
 103             if result:
 104                 raise AssertionError('Signal should not have arrived, but did')
 105             gobject.source_remove(source_id)
 106
 107     def testSignal(self):
 108         self.signal_test_impl(self.iface, 'Signal')
 109
 110     def testRemoval(self):
 111         self.signal_test_impl(self.iface, 'Removal', True)
 112
 113     def testSignalAgain(self):
 114         self.signal_test_impl(self.iface, 'SignalAgain')
 115
 116     def testRemovalAgain(self):
 117         self.signal_test_impl(self.iface, 'RemovalAgain', True)
 118
 119     def testSignalF(self):
 120         self.signal_test_impl(self.iface_follow, 'Signal')
 121
 122     def testRemovalF(self):
 123         self.signal_test_impl(self.iface_follow, 'Removal', True)
 124
 125     def testSignalAgainF(self):
 126         self.signal_test_impl(self.iface_follow, 'SignalAgain')
 127
 128     def testRemovalAgainF(self):
 129         self.signal_test_impl(self.iface_follow, 'RemovalAgain', True)
 130
 131 if __name__ == '__main__':
 132     main_loop = gobject.MainLoop()
 133     gobject.threads_init()
 134     dbus.glib.init_threads()
 135
 136     logger.info('Starting unit test')
 137     unittest.main()