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# Copyright (C) 2009, 2010 Roman Zimbelmann <romanz@lavabit.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 3 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.
#
# You should have received a copy of the GNU General Public License
# along with this program. If not, see <http://www.gnu.org/licenses/>.
if __name__ == '__main__': from __init__ import init; init()
import unittest
from ranger.ext.signal_dispatcher import *
class TestSignal(unittest.TestCase):
def setUp(self):
self.sd = SignalDispatcher()
def test_signal_register_emit(self):
sd = self.sd
def poo(sig):
self.assert_('works' in sig)
self.assertEqual('yes', sig.works)
handler = sd.signal_bind('x', poo)
sd.signal_emit('x', works='yes')
sd.signal_unbind(handler)
sd.signal_emit('x')
def test_signal_order(self):
sd = self.sd
lst = []
def addn(n):
return lambda _: lst.append(n)
sd.signal_bind('x', addn(6))
sd.signal_bind('x', addn(3), priority=1)
sd.signal_bind('x', addn(2), priority=1)
sd.signal_bind('x', addn(9), priority=0)
sd.signal_bind('x', addn(1337), priority=0.7)
sd.signal_emit('x')
self.assert_(lst.index(3) < lst.index(6))
self.assert_(lst.index(2) < lst.index(6))
self.assert_(lst.index(6) < lst.index(9))
self.assert_(lst.index(1337) < lst.index(6))
self.assert_(lst.index(1337) < lst.index(9))
self.assert_(lst.index(1337) > lst.index(2))
def test_modifying_arguments(self):
sd = self.sd
lst = []
def modify(s):
s.number = 5
def set_number(s):
lst.append(s.number)
def stopit(s):
s.stop()
sd.signal_bind('setnumber', set_number)
sd.signal_emit('setnumber', number=100)
self.assertEqual(100, lst[-1])
sd.signal_bind('setnumber', modify, priority=1)
sd.signal_emit('setnumber', number=100)
self.assertEqual(5, lst[-1])
lst.append(None)
sd.signal_bind('setnumber', stopit, priority=1)
sd.signal_emit('setnumber', number=100)
self.assertEqual(None, lst[-1])
def test_regexp_signals(self):
sd = RegexpSignalDispatcher()
lst = []
def modify(s):
s.number = 5
def set_number(s):
lst.append(s.number)
def stopit(s):
s.stop()
h1 = sd.signal_bind_regexp('.*ar', modify, priority=1)
sd.signal_bind('xyz', set_number)
sd.signal_bind('foobar', set_number)
sd.signal_emit('xyz', number=10)
self.assertEqual(10, lst[-1])
sd.signal_emit('foobar', number=10)
self.assertEqual(5, lst[-1])
h2 = sd.signal_bind_regexp('x.z', modify, priority=1)
# print(sd._signals)
sd.signal_emit('xyz', number=10)
self.assertEqual(5, lst[-1])
sd.signal_emit('foobar', number=10)
self.assertEqual(5, lst[-1])
sd.signal_unbind(h2)
sd.signal_emit('xyz', number=10)
self.assertEqual(10, lst[-1])
sd.signal_emit('foobar', number=10)
self.assertEqual(5, lst[-1])
sd.signal_unbind(h1)
sd.signal_emit('xyz', number=10)
self.assertEqual(10, lst[-1])
sd.signal_emit('foobar', number=10)
self.assertEqual(10, lst[-1])
if __name__ == '__main__':
unittest.main()
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