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.iface = dbus.Interface(self.remote_object, "org.freedesktop.DBus.TestSuiteInterface")
  57         self.in_test = None
  58
  59     def signal_test_impl(self, name, test_removal=False):
  60         self.in_test = name
  61         # using append rather than assignment here to avoid scoping issues
  62         result = []
  63
  64         def _timeout_handler():
  65             logger.debug('_timeout_handler for %s: current state %s', name, self.in_test)
  66             if self.in_test == name:
  67                 main_loop.quit()
  68         def _signal_handler(s, sender, path):
  69             logger.debug('_signal_handler for %s: current state %s', name, self.in_test)
  70             if self.in_test not in (name, name + '+removed'):
  71                 return
  72             logger.info('Received signal from %s:%s, argument is %r',
  73                         sender, path, s)
  74             result.append('received')
  75             main_loop.quit()
  76         def _rm_timeout_handler():
  77             logger.debug('_timeout_handler for %s: current state %s', name, self.in_test)
  78             if self.in_test == name + '+removed':
  79                 main_loop.quit()
  80
  81         logger.info('Testing %s', name)
  82         match = self.iface.connect_to_signal('SignalOneString', _signal_handler,
  83                                              sender_keyword='sender',
  84                                              path_keyword='path')
  85         logger.info('Waiting for signal...')
  86         self.iface.EmitSignal('SignalOneString', 0)
  87         source_id = gobject.timeout_add(1000, _timeout_handler)
  88         main_loop.run()
  89         if not result:
  90             raise AssertionError('Signal did not arrive within 1 second')
  91         logger.debug('Removing match')
  92         match.remove()
  93         gobject.source_remove(source_id)
  94         if test_removal:
  95             self.in_test = name + '+removed'
  96             logger.info('Testing %s', name)
  97             result = []
  98             self.iface.EmitSignal('SignalOneString', 0)
  99             source_id = gobject.timeout_add(1000, _rm_timeout_handler)
 100             main_loop.run()
 101             if result:
 102                 raise AssertionError('Signal should not have arrived, but did')
 103             gobject.source_remove(source_id)
 104
 105     def testSignal(self):
 106         self.signal_test_impl('Signal')
 107
 108     def testRemoval(self):
 109         self.signal_test_impl('Removal', True)
 110
 111     def testSignalAgain(self):
 112         self.signal_test_impl('SignalAgain')
 113
 114     def testRemovalAgain(self):
 115         self.signal_test_impl('RemovalAgain', True)
 116
 117 if __name__ == '__main__':
 118     main_loop = gobject.MainLoop()
 119     gobject.threads_init()
 120     dbus.glib.init_threads()
 121
 122     logger.info('Starting unit test')
 123     unittest.main()