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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()