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#!/usr/bin/python
#
# Python integration for tevent - tests
#
# Copyright (C) Jelmer Vernooij 2010
#
# ** NOTE! The following LGPL license applies to the tevent
# ** library. This does NOT imply that all of Samba is released
# ** under the LGPL
#
# 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 3 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, see <http://www.gnu.org/licenses/>.
import signal
from unittest import TestCase, TestProgram
import gc
import _tevent
class BackendListTests(TestCase):
def test_backend_list(self):
self.assertTrue(isinstance(_tevent.backend_list(), list))
class CreateContextTests(TestCase):
def test_by_name(self):
ctx = _tevent.Context(_tevent.backend_list()[0])
self.assertTrue(ctx is not None)
def test_no_name(self):
ctx = _tevent.Context()
self.assertTrue(ctx is not None)
class ContextTests(TestCase):
def setUp(self):
super(ContextTests, self).setUp()
self.ctx = _tevent.Context()
def test_signal_support(self):
self.assertTrue(type(self.ctx.signal_support) is bool)
def test_reinitialise(self):
self.ctx.reinitialise()
def test_loop_wait(self):
self.ctx.loop_wait()
def test_add_signal(self):
sig = self.ctx.add_signal(signal.SIGINT, 0, lambda callback: None)
self.assertTrue(isinstance(sig, _tevent.Signal))
def test_timer(self):
"""Test a timer is can be scheduled"""
collecting_list = []
# time "0" has already passed, callback will be scheduled immediately
timer = self.ctx.add_timer(0, lambda t: collecting_list.append(True))
self.assertTrue(timer.active)
self.assertEqual(collecting_list, [])
self.ctx.loop_once()
self.assertFalse(timer.active)
self.assertEqual(collecting_list, [True])
def test_timer_deallocate_timer(self):
"""Test timer is scheduled even if reference to it isn't held"""
collecting_list = []
def callback(t):
collecting_list.append(True)
timer = self.ctx.add_timer(0, lambda t: collecting_list.append(True))
gc.collect()
self.assertEqual(collecting_list, [])
self.ctx.loop_once()
self.assertEqual(collecting_list, [True])
def test_timer_deallocate_context(self):
"""Test timer is unscheduled when context is freed"""
collecting_list = []
def callback(t):
collecting_list.append(True)
timer = self.ctx.add_timer(0, lambda t: collecting_list.append(True))
self.assertTrue(timer.active)
del self.ctx
gc.collect()
self.assertEqual(collecting_list, [])
self.assertFalse(timer.active)
def test_timer_offset(self):
"""Test scheduling timer with an offset"""
collecting_list = []
self.ctx.add_timer_offset(0.2, lambda t: collecting_list.append(2))
self.ctx.add_timer_offset(0.1, lambda t: collecting_list.append(1))
self.assertEqual(collecting_list, [])
self.ctx.loop_once()
self.assertEqual(collecting_list, [1])
self.ctx.loop_once()
self.assertEqual(collecting_list, [1, 2])
if __name__ == '__main__':
TestProgram()
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