mitogen/tests/signals_test.py

39 lines
1.2 KiB
Python

import testlib
import mitogen.core
class Thing:
pass
class ListenFireTest(testlib.TestCase):
def test_no_args(self):
thing = Thing()
latch = mitogen.core.Latch()
mitogen.core.listen(thing, 'event',
lambda: latch.put('event fired'))
mitogen.core.fire(thing, 'event')
self.assertEqual('event fired', latch.get())
self.assertTrue(latch.empty())
def test_with_args(self):
thing = Thing()
latch = mitogen.core.Latch()
mitogen.core.listen(thing, 'event', latch.put)
mitogen.core.fire(thing, 'event', 'event fired')
self.assertEqual('event fired', latch.get())
self.assertTrue(latch.empty())
def test_two_listeners(self):
thing = Thing()
latch = mitogen.core.Latch()
latch2 = mitogen.core.Latch()
mitogen.core.listen(thing, 'event', latch.put)
mitogen.core.listen(thing, 'event', latch2.put)
mitogen.core.fire(thing, 'event', 'event fired')
self.assertEqual('event fired', latch.get())
self.assertEqual('event fired', latch2.get())
self.assertTrue(latch.empty())
self.assertTrue(latch2.empty())