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eventloop.py
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eventloop.py
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import time
from threading import current_thread
import pulsar
from pulsar.apps.test import unittest
class TestEventLoop(unittest.TestCase):
def testIOloop(self):
ioloop = pulsar.thread_ioloop()
self.assertTrue(ioloop)
self.assertNotEqual(ioloop.tid, current_thread().ident)
def test_add_callback(self):
ioloop = pulsar.thread_ioloop()
d = pulsar.Deferred()
ioloop.add_callback(lambda: d.callback(current_thread().ident))
# we should be able to wait less than a second
yield d
self.assertEqual(d.result, ioloop.tid)
def test_add_timeout(self):
ioloop = pulsar.thread_ioloop()
d = pulsar.Deferred()
now = time.time()
timeout1 = ioloop.add_timeout(now+20,
lambda: d.callback(current_thread().ident))
timeout2 = ioloop.add_timeout(now+10,
lambda: d.callback(current_thread().ident))
# lets wake the ioloop
ioloop.wake()
self.assertTrue(timeout1 in ioloop._timeouts)
self.assertTrue(timeout2 in ioloop._timeouts)
ioloop.remove_timeout(timeout1)
ioloop.remove_timeout(timeout2)
self.assertFalse(timeout1 in ioloop._timeouts)
self.assertFalse(timeout2 in ioloop._timeouts)
timeout1 = ioloop.add_timeout(now+0.1,
lambda: d.callback(current_thread().ident))
ioloop.wake()
time.sleep(0.2)
self.assertTrue(d.called)
self.assertEqual(d.result, ioloop.tid)
self.assertFalse(timeout1 in ioloop._timeouts)
def test_periodic(self):
ioloop = pulsar.thread_ioloop()
d = pulsar.Deferred()
class p:
def __init__(self):
self.c = 0
def __call__(self, periodic):
self.c += 1
if self.c == 2:
raise ValueError()
elif self.c == 3:
periodic.stop()
d.callback(self.c)
periodic = ioloop.add_periodic(p(), 1)
yield d
self.assertEqual(d.result, 3)
self.assertFalse(periodic._running)