* bpo-31234: Join threads in tests (#3572)
Call thread.join() on threads to prevent the "dangling threads"
warning.
(cherry picked from commit
18e95b4176256f100429a806d0455406df98f984)
* bpo-31234: Join threads in test_hashlib (#3573)
* bpo-31234: Join threads in test_hashlib
Use thread.join() to wait until the parallel hash tasks complete
rather than using events. Calling thread.join() prevent "dangling
thread" warnings.
* test_hashlib: minor PEP 8 coding style fixes
(cherry picked from commit
8dcf22f442320e4c1a5408e67b4c9002ad105f17)
* bpo-31234: Join threads in test_threading (#3579)
Call thread.join() to prevent the "dangling thread" warning.
(cherry picked from commit
b8c7be2c523b012e57915182543d06657161057f)
* bpo-31234: Join threads in test_queue (#3586)
Call thread.join() to prevent the "dangling thread" warning.
(cherry picked from commit
167cbde50a88ec2a7d26b2cb9891d5e32bdfbfb5)
* bpo-31234: Join timers in test_threading (#3598)
Call the .join() method of threading.Timer timers to prevent the
"threading_cleanup() failed to cleanup 1 threads" warning.
(cherry picked from commit
da3e5cf961f9bcc4bb376386cfe7a2865325086c)
t.start()
self.assertEqual(f1.result(timeout=5), 42)
+ t.join()
def test_result_with_cancel(self):
# TODO(brian@sweetapp.com): This test is timing dependent.
t.start()
self.assertRaises(futures.CancelledError, f1.result, timeout=5)
+ t.join()
def test_exception_with_timeout(self):
self.assertRaises(futures.TimeoutError,
t.start()
self.assertTrue(isinstance(f1.exception(timeout=5), OSError))
+ t.join()
@test.support.reap_threads
def test_main():
for sig in Signals[self.decimal]:
self.assertFalse(DefaultContext.flags[sig])
+ th1.join()
+ th2.join()
+
DefaultContext.prec = save_prec
DefaultContext.Emax = save_emax
DefaultContext.Emin = save_emin
hasher = hashlib.sha1()
num_threads = 5
smallest_data = b'swineflu'
- data = smallest_data*200000
+ data = smallest_data * 200000
expected_hash = hashlib.sha1(data*num_threads).hexdigest()
- def hash_in_chunks(chunk_size, event):
+ def hash_in_chunks(chunk_size):
index = 0
while index < len(data):
- hasher.update(data[index:index+chunk_size])
+ hasher.update(data[index:index + chunk_size])
index += chunk_size
- event.set()
- events = []
+ threads = []
for threadnum in range(num_threads):
- chunk_size = len(data) // (10**threadnum)
+ chunk_size = len(data) // (10 ** threadnum)
self.assertGreater(chunk_size, 0)
self.assertEqual(chunk_size % len(smallest_data), 0)
- event = threading.Event()
- events.append(event)
- threading.Thread(target=hash_in_chunks,
- args=(chunk_size, event)).start()
-
- for event in events:
- event.wait()
+ thread = threading.Thread(target=hash_in_chunks,
+ args=(chunk_size,))
+ threads.append(thread)
+
+ for thread in threads:
+ thread.start()
+ for thread in threads:
+ thread.join()
self.assertEqual(expected_hash, hasher.hexdigest())
class BlockingTestMixin:
- def tearDown(self):
- self.t = None
-
def do_blocking_test(self, block_func, block_args, trigger_func, trigger_args):
- self.t = _TriggerThread(trigger_func, trigger_args)
- self.t.start()
- self.result = block_func(*block_args)
- # If block_func returned before our thread made the call, we failed!
- if not self.t.startedEvent.is_set():
- self.fail("blocking function '%r' appeared not to block" %
- block_func)
- self.t.join(10) # make sure the thread terminates
- if self.t.is_alive():
- self.fail("trigger function '%r' appeared to not return" %
- trigger_func)
- return self.result
+ thread = _TriggerThread(trigger_func, trigger_args)
+ thread.start()
+ try:
+ self.result = block_func(*block_args)
+ # If block_func returned before our thread made the call, we failed!
+ if not thread.startedEvent.is_set():
+ self.fail("blocking function '%r' appeared not to block" %
+ block_func)
+ return self.result
+ finally:
+ thread.join(10) # make sure the thread terminates
+ if thread.is_alive():
+ self.fail("trigger function '%r' appeared to not return" %
+ trigger_func)
# Call this instead if block_func is supposed to raise an exception.
def do_exceptional_blocking_test(self,block_func, block_args, trigger_func,
trigger_args, expected_exception_class):
- self.t = _TriggerThread(trigger_func, trigger_args)
- self.t.start()
+ thread = _TriggerThread(trigger_func, trigger_args)
+ thread.start()
try:
try:
block_func(*block_args)
self.fail("expected exception of kind %r" %
expected_exception_class)
finally:
- self.t.join(10) # make sure the thread terminates
- if self.t.is_alive():
+ thread.join(10) # make sure the thread terminates
+ if thread.is_alive():
self.fail("trigger function '%r' appeared to not return" %
trigger_func)
- if not self.t.startedEvent.is_set():
+ if not thread.startedEvent.is_set():
self.fail("trigger thread ended but event never set")
def queue_join_test(self, q):
self.cum = 0
+ threads = []
for i in (0,1):
- threading.Thread(target=self.worker, args=(q,)).start()
+ thread = threading.Thread(target=self.worker, args=(q,))
+ thread.start()
+ threads.append(thread)
for i in range(100):
q.put(i)
q.join()
for i in (0,1):
q.put(-1) # instruct the threads to close
q.join() # verify that you can join twice
+ for thread in threads:
+ thread.join()
def test_queue_task_done(self):
# Test to make sure a queue task completed successfully.
self.sock.settimeout(15)
self.port = support.bind_port(self.sock)
servargs = (self.evt, self.respdata, self.sock)
- threading.Thread(target=server, args=servargs).start()
+ thread = threading.Thread(target=server, args=servargs)
+ thread.start()
+ self.addCleanup(thread.join)
self.evt.wait()
self.evt.clear()
self.assertFalse(t.is_alive())
# And verify the thread disposed of _tstate_lock.
self.assertIsNone(t._tstate_lock)
+ t.join()
def test_repr_stopped(self):
# Verify that "stopped" shows up in repr(Thread) appropriately.
break
time.sleep(0.01)
self.assertIn(LOOKING_FOR, repr(t)) # we waited at least 5 seconds
+ t.join()
def test_BoundedSemaphore_limit(self):
# BoundedSemaphore should raise ValueError if released too often.
thread = threading.Thread()
thread.start()
self.assertRaises(RuntimeError, thread.start)
+ thread.join()
def test_joining_current_thread(self):
current_thread = threading.current_thread()
thread = threading.Thread()
thread.start()
self.assertRaises(RuntimeError, setattr, thread, "daemon", True)
+ thread.join()
def test_releasing_unacquired_lock(self):
lock = threading.Lock()
self.callback_event.wait()
self.assertEqual(len(self.callback_args), 2)
self.assertEqual(self.callback_args, [((), {}), ((), {})])
+ timer1.join()
+ timer2.join()
def _callback_spy(self, *args, **kwargs):
self.callback_args.append((args[:], kwargs.copy()))
self.evt = threading.Event()
# start server thread to handle requests
serv_args = (self.evt, self.request_count, self.requestHandler)
- threading.Thread(target=self.threadFunc, args=serv_args).start()
+ thread = threading.Thread(target=self.threadFunc, args=serv_args)
+ thread.start()
+ self.addCleanup(thread.join)
# wait for the server to be ready
self.evt.wait()
self.evt = threading.Event()
# start server thread to handle requests
serv_args = (self.evt, 1)
- threading.Thread(target=http_server, args=serv_args).start()
+ thread = threading.Thread(target=http_server, args=serv_args)
+ thread.start()
+ self.addCleanup(thread.join)
# wait for the server to be ready
self.evt.wait()