class ThreadTests(unittest.TestCase):
"""Test various things around thread synchronization."""
def setUp(self):
self.__msgq = MsgQ()
self.__abort_wait = False
self.__result = None
self.__notify_thread = threading.Thread(target=self.__notify)
self.__wait_thread = threading.Thread(target=self.__wait)
# Make sure the threads are killed if left behind by the test.
self.__notify_thread.daemon = True
self.__wait_thread.daemon = True
def __notify(self):
"""Call the cfgmgr_ready."""
if self.__abort_wait:
self.__msgq.cfgmgr_ready(False)
else:
self.__msgq.cfgmgr_ready()
def __wait(self):
"""Wait for config manager and store the result."""
self.__result = self.__msgq.wait_cfgmgr()
def test_wait_cfgmgr(self):
"""One thread signals the config manager subscribed, the other
waits for it. We then check it terminated correctly.
"""
self.__notify_thread.start()
self.__wait_thread.start()
# Timeout to ensure the test terminates even on failure
self.__wait_thread.join(60)
self.assertTrue(self.__result)
def test_wait_cfgmgr_2(self):
"""Same as test_wait_cfgmgr, but starting the threads in reverse order
(the result should be the same).
"""
self.__wait_thread.start()
self.__notify_thread.start()
# Timeout to ensure the test terminates even on failure
self.__wait_thread.join(60)
self.assertTrue(self.__result)
def test_wait_abort(self):
"""Similar to test_wait_cfgmgr, but the config manager is never
subscribed and it is aborted.
"""
self.__abort_wait = True
self.__wait_thread.start()
self.__notify_thread.start()
# Timeout to ensure the test terminates even on failure
self.__wait_thread.join(60)
self.assertIsNotNone(self.__result)
self.assertFalse(self.__result)
def __check_ready_and_abort(self):
"""Check that when we first say the config manager is ready and then
try to abort, it uses the first result.
"""
self.__msgq.cfgmgr_ready()
self.__msgq.cfgmgr_ready(False)
self.__result = self.__msgq.wait_cfgmgr()
def test_ready_and_abort(self):
"""Perform the __check_ready_and_abort test, but in a separate thread,
so in case something goes wrong with the synchronisation and it
deadlocks, the test will terminate anyway.
"""
test_thread = threading.Thread(target=self.__check_ready_and_abort)
test_thread.daemon = True
test_thread.start()
test_thread.join(60)
self.assertTrue(self.__result)
class ThreadTests(unittest.TestCase):
"""Test various things around thread synchronization."""
def setUp(self):
self.__msgq = MsgQ()
self.__abort_wait = False
self.__result = None
self.__notify_thread = threading.Thread(target=self.__notify)
self.__wait_thread = threading.Thread(target=self.__wait)
# Make sure the threads are killed if left behind by the test.
self.__notify_thread.daemon = True
self.__wait_thread.daemon = True
def __notify(self):
"""Call the cfgmgr_ready."""
if self.__abort_wait:
self.__msgq.cfgmgr_ready(False)
else:
self.__msgq.cfgmgr_ready()
def __wait(self):
"""Wait for config manager and store the result."""
self.__result = self.__msgq.wait_cfgmgr()
def test_wait_cfgmgr(self):
"""One thread signals the config manager subscribed, the other
waits for it. We then check it terminated correctly.
"""
self.__notify_thread.start()
self.__wait_thread.start()
# Timeout to ensure the test terminates even on failure
self.__wait_thread.join(60)
self.assertTrue(self.__result)
def test_wait_cfgmgr_2(self):
"""Same as test_wait_cfgmgr, but starting the threads in reverse order
(the result should be the same).
"""
self.__wait_thread.start()
self.__notify_thread.start()
# Timeout to ensure the test terminates even on failure
self.__wait_thread.join(60)
self.assertTrue(self.__result)
def test_wait_abort(self):
"""Similar to test_wait_cfgmgr, but the config manager is never
subscribed and it is aborted.
"""
self.__abort_wait = True
self.__wait_thread.start()
self.__notify_thread.start()
# Timeout to ensure the test terminates even on failure
self.__wait_thread.join(60)
self.assertIsNotNone(self.__result)
self.assertFalse(self.__result)
def __check_ready_and_abort(self):
"""Check that when we first say the config manager is ready and then
try to abort, it uses the first result.
"""
self.__msgq.cfgmgr_ready()
self.__msgq.cfgmgr_ready(False)
self.__result = self.__msgq.wait_cfgmgr()
def test_ready_and_abort(self):
"""Perform the __check_ready_and_abort test, but in a separate thread,
so in case something goes wrong with the synchronisation and it
deadlocks, the test will terminate anyway.
"""
test_thread = threading.Thread(target=self.__check_ready_and_abort)
test_thread.daemon = True
test_thread.start()
test_thread.join(60)
self.assertTrue(self.__result)
