def test_close_dont_kill_finished(self):
@asyncio.coroutine
def kill_running():
create = self.loop.subprocess_exec(asyncio.SubprocessProtocol,
*PROGRAM_BLOCKED)
transport, protocol = yield from create
proc = transport.get_extra_info('subprocess')
# kill the process (but asyncio is not notified immediatly)
proc.kill()
proc.wait()
proc.kill = mock.Mock()
proc_returncode = proc.poll()
transport_returncode = transport.get_returncode()
transport.close()
return (proc_returncode, transport_returncode, proc.kill.called)
# Ignore "Unknown child process pid ..." log of SafeChildWatcher,
# emitted because the test already consumes the exit status:
# proc.wait()
with test_utils.disable_logger():
result = self.loop.run_until_complete(kill_running())
test_utils.run_briefly(self.loop)
proc_returncode, transport_return_code, killed = result
self.assertIsNotNone(proc_returncode)
self.assertIsNone(transport_return_code)
# transport.close() must not kill the process if it finished, even if
# the transport was not notified yet
self.assertFalse(killed)
def test_reader_callback(self):
r, w = test_utils.socketpair()
bytes_read = []
def reader():
try:
data = r.recv(1024)
except BlockingIOError:
# Spurious readiness notifications are possible
# at least on Linux -- see man select.
return
if data:
bytes_read.append(data)
else:
self.assertTrue(self.loop.remove_reader(r.fileno()))
r.close()
self.loop.add_reader(r.fileno(), reader)
self.loop.call_soon(w.send, b'abc')
test_utils.run_briefly(self.loop)
self.loop.call_soon(w.send, b'def')
self.loop.call_soon(w.close)
self.loop.call_soon(self.loop.stop)
self.loop.run_forever()
self.assertEqual(b''.join(bytes_read), b'abcdef')
def test_wrap_future_cancel(self):
f1 = concurrent.futures.Future()
f2 = asyncio.wrap_future(f1, loop=self.loop)
f2.cancel()
test_utils.run_briefly(self.loop)
self.assertTrue(f1.cancelled())
self.assertTrue(f2.cancelled())
def check_future_exception_never_retrieved(self, debug):
last_ctx = None
def handler(loop, context):
nonlocal last_ctx
last_ctx = context
self.loop.set_debug(debug)
self.loop.set_exception_handler(handler)
def memory_error():
try:
raise MemoryError()
except BaseException as exc:
return exc
exc = memory_error()
future = self.create_future()
if debug:
source_traceback = future._source_traceback
future.set_exception(exc)
future = None
support.gc_collect()
test_utils.run_briefly(self.loop)
self.assertIsNotNone(last_ctx)
self.assertIs(last_ctx['exception'], exc)
self.assertEqual(last_ctx['message'],
'Future exception was never retrieved')
if debug:
tb = last_ctx['source_traceback']
self.assertEqual(tb[-2].name,
'check_future_exception_never_retrieved')
def tearDown(self):
# just in case if we have transport close callbacks
test_utils.run_briefly(self.loop)
self.loop.close()
gc.collect()
super().tearDown()
def test_shield_effect(self):
# Cancelling outer() does not affect inner().
proof = 0
waiter = asyncio.Future(loop=self.loop)
@asyncio.coroutine
def inner():
nonlocal proof
yield from waiter
proof += 1
@asyncio.coroutine
def outer():
nonlocal proof
yield from asyncio.shield(inner(), loop=self.loop)
proof += 100
f = asyncio.async(outer(), loop=self.loop)
test_utils.run_briefly(self.loop)
f.cancel()
with self.assertRaises(asyncio.CancelledError):
self.loop.run_until_complete(f)
waiter.set_result(None)
test_utils.run_briefly(self.loop)
self.assertEqual(proof, 1)
def test_step_result_future(self):
# If coroutine returns future, task waits on this future.
class Fut(asyncio.Future):
def __init__(self, *args, **kwds):
self.cb_added = False
super().__init__(*args, **kwds)
def add_done_callback(self, fn):
self.cb_added = True
super().add_done_callback(fn)
fut = Fut(loop=self.loop)
result = None
@asyncio.coroutine
def wait_for_future():
nonlocal result
result = yield from fut
t = asyncio.Task(wait_for_future(), loop=self.loop)
test_utils.run_briefly(self.loop)
self.assertTrue(fut.cb_added)
res = object()
fut.set_result(res)
test_utils.run_briefly(self.loop)
self.assertIs(res, result)
self.assertTrue(t.done())
self.assertIsNone(t.result())
def test_close_kill_running(self):
@asyncio.coroutine
def kill_running():
create = self.loop.subprocess_exec(asyncio.SubprocessProtocol,
*PROGRAM_BLOCKED)
transport, protocol = yield from create
kill_called = False
def kill():
nonlocal kill_called
kill_called = True
orig_kill()
proc = transport.get_extra_info('subprocess')
orig_kill = proc.kill
proc.kill = kill
returncode = transport.get_returncode()
transport.close()
yield from transport._wait()
return (returncode, kill_called)
# Ignore "Close running child process: kill ..." log
with test_utils.disable_logger():
returncode, killed = self.loop.run_until_complete(kill_running())
self.assertIsNone(returncode)
# transport.close() must kill the process if it is still running
self.assertTrue(killed)
test_utils.run_briefly(self.loop)
def test_close_with_waiting_buffer(self):
self.tr._buffer = deque([(b'data',)])
self.tr._buffer_size = 4
self.loop.add_writer(self.sock, self.tr._write_ready)
self.tr.close()
self.assertEqual(1, self.loop.remove_reader_count[self.sock])
self.assertEqual(0, self.loop.remove_writer_count[self.sock])
self.assertEqual([(b'data',)], list(self.tr._buffer))
self.assertEqual(4, self.tr._buffer_size)
self.assertTrue(self.tr._closing)
self.assertIsNotNone(self.tr._protocol)
self.assertIsNotNone(self.tr._zmq_sock)
self.assertIsNotNone(self.tr._loop)
self.assertFalse(self.sock.close.called)
test_utils.run_briefly(self.loop)
self.assertIsNotNone(self.tr._protocol)
self.assertIsNotNone(self.tr._zmq_sock)
self.assertIsNotNone(self.tr._loop)
self.assertFalse(self.sock.close.called)
self.assertFalse(self.proto.connection_lost.called)
def test_clear_with_waiters(self):
ev = asyncio.Event(loop=self.loop)
result = []
@asyncio.coroutine
def c1(result):
if (yield from ev.wait()):
result.append(1)
return True
t = asyncio.Task(c1(result), loop=self.loop)
test_utils.run_briefly(self.loop)
self.assertEqual([], result)
ev.set()
ev.clear()
self.assertFalse(ev.is_set())
ev.set()
ev.set()
self.assertEqual(1, len(ev._waiters))
test_utils.run_briefly(self.loop)
self.assertEqual([1], result)
self.assertEqual(0, len(ev._waiters))
self.assertTrue(t.done())
self.assertTrue(t.result())
def test_yield_wait_does_not_shield_cancel(self):
# Cancelling outer() makes wait() return early, leaves inner()
# running.
proof = 0
waiter = asyncio.Future(loop=self.loop)
@asyncio.coroutine
def inner():
nonlocal proof
yield from waiter
proof += 1
@asyncio.coroutine
def outer():
nonlocal proof
d, p = yield from asyncio.wait([inner()], loop=self.loop)
proof += 100
f = asyncio.async(outer(), loop=self.loop)
test_utils.run_briefly(self.loop)
f.cancel()
self.assertRaises(
asyncio.CancelledError, self.loop.run_until_complete, f)
waiter.set_result(None)
test_utils.run_briefly(self.loop)
self.assertEqual(proof, 1)
def test_tb_logger_exception_unretrieved(self, m_log):
fut = asyncio.Future(loop=self.loop)
fut.set_exception(RuntimeError("boom"))
del fut
test_utils.run_briefly(self.loop)
support.gc_collect()
self.assertTrue(m_log.error.called)
def test_baseexception_during_cancel(self):
def gen():
when = yield
self.assertAlmostEqual(10.0, when)
yield 0
loop = test_utils.TestLoop(gen)
self.addCleanup(loop.close)
@asyncio.coroutine
def sleeper():
yield from asyncio.sleep(10, loop=loop)
base_exc = BaseException()
@asyncio.coroutine
def notmutch():
try:
yield from sleeper()
except asyncio.CancelledError:
raise base_exc
task = asyncio.Task(notmutch(), loop=loop)
test_utils.run_briefly(loop)
task.cancel()
self.assertFalse(task.done())
self.assertRaises(BaseException, test_utils.run_briefly, loop)
self.assertTrue(task.done())
self.assertFalse(task.cancelled())
self.assertIs(task.exception(), base_exc)
def test_shield_cancel(self):
inner = asyncio.Future(loop=self.loop)
outer = asyncio.shield(inner)
test_utils.run_briefly(self.loop)
inner.cancel()
test_utils.run_briefly(self.loop)
self.assertTrue(outer.cancelled())
def test_sleep_cancel(self):
def gen():
when = yield
self.assertAlmostEqual(10.0, when)
yield 0
loop = test_utils.TestLoop(gen)
self.addCleanup(loop.close)
t = asyncio.Task(asyncio.sleep(10.0, 'yeah', loop=loop),
loop=loop)
handle = None
orig_call_later = loop.call_later
def call_later(self, delay, callback, *args):
nonlocal handle
handle = orig_call_later(self, delay, callback, *args)
return handle
loop.call_later = call_later
test_utils.run_briefly(loop)
self.assertFalse(handle._cancelled)
t.cancel()
test_utils.run_briefly(loop)
self.assertTrue(handle._cancelled)
def test_cancellation_broadcast(self):
# Cancelling outer() cancels all children.
proof = 0
waiter = asyncio.Future(loop=self.one_loop)
@asyncio.coroutine
def inner():
nonlocal proof
yield from waiter
proof += 1
child1 = asyncio.async(inner(), loop=self.one_loop)
child2 = asyncio.async(inner(), loop=self.one_loop)
gatherer = None
@asyncio.coroutine
def outer():
nonlocal proof, gatherer
gatherer = asyncio.gather(child1, child2, loop=self.one_loop)
yield from gatherer
proof += 100
f = asyncio.async(outer(), loop=self.one_loop)
test_utils.run_briefly(self.one_loop)
self.assertTrue(f.cancel())
with self.assertRaises(asyncio.CancelledError):
self.one_loop.run_until_complete(f)
self.assertFalse(gatherer.cancel())
self.assertTrue(waiter.cancelled())
self.assertTrue(child1.cancelled())
self.assertTrue(child2.cancelled())
test_utils.run_briefly(self.one_loop)
self.assertEqual(proof, 0)
def test_eof_received_waiter(self):
waiter = asyncio.Future(loop=self.loop)
ssl_proto = self.ssl_protocol(waiter)
self.connection_made(ssl_proto)
ssl_proto.eof_received()
test_utils.run_briefly(self.loop)
self.assertIsInstance(waiter.exception(), ConnectionResetError)
def test_ctor_with_waiter(self):
fut = asyncio.Future(loop=self.loop)
tr = unix_events._UnixWritePipeTransport(
self.loop, self.pipe, self.protocol, fut)
self.loop.assert_reader(5, tr._read_ready)
test_utils.run_briefly(self.loop)
self.assertEqual(None, fut.result())
def test_get_with_waiting_putters(self):
q = asyncio.Queue(loop=self.loop, maxsize=1)
asyncio.Task(q.put('a'), loop=self.loop)
asyncio.Task(q.put('b'), loop=self.loop)
test_utils.run_briefly(self.loop)
self.assertEqual(self.loop.run_until_complete(q.get()), 'a')
self.assertEqual(self.loop.run_until_complete(q.get()), 'b')
def test_write_pipe_disconnect_on_close(self):
proto = None
transport = None
def factory():
nonlocal proto
proto = MyWritePipeProto(loop=self.loop)
return proto
rpipe, wpipe = os.pipe()
pipeobj = io.open(wpipe, 'wb', 1024)
@tasks.coroutine
def connect():
nonlocal transport
t, p = yield from self.loop.connect_write_pipe(factory,
pipeobj)
self.assertIs(p, proto)
self.assertIs(t, proto.transport)
self.assertEqual('CONNECTED', proto.state)
transport = t
self.loop.run_until_complete(connect())
self.assertEqual('CONNECTED', proto.state)
transport.write(b'1')
test_utils.run_briefly(self.loop)
data = os.read(rpipe, 1024)
self.assertEqual(b'1', data)
os.close(rpipe)
self.loop.run_until_complete(proto.done)
self.assertEqual('CLOSED', proto.state)
def test_yield_future_passes_cancel(self):
# Cancelling outer() cancels inner() cancels waiter.
proof = 0
waiter = asyncio.Future(loop=self.loop)
@asyncio.coroutine
def inner():
nonlocal proof
try:
yield from waiter
except asyncio.CancelledError:
proof += 1
raise
else:
self.fail('got past sleep() in inner()')
@asyncio.coroutine
def outer():
nonlocal proof
try:
yield from inner()
except asyncio.CancelledError:
proof += 100 # Expect this path.
else:
proof += 10
f = asyncio.async(outer(), loop=self.loop)
test_utils.run_briefly(self.loop)
f.cancel()
self.loop.run_until_complete(f)
self.assertEqual(proof, 101)
self.assertTrue(waiter.cancelled())
def check_future_exception_never_retrieved(self, debug, m_log):
self.loop.set_debug(debug)
def memory_error():
try:
raise MemoryError()
except BaseException as exc:
return exc
exc = memory_error()
future = self._new_future(loop=self.loop)
future.set_exception(exc)
future = None
test_utils.run_briefly(self.loop)
support.gc_collect()
if sys.version_info >= (3, 4):
regex = r'^Future exception was never retrieved\n'
exc_info = (type(exc), exc, exc.__traceback__)
m_log.error.assert_called_once_with(mock.ANY, exc_info=exc_info)
else:
regex = r'^Future/Task exception was never retrieved\n'
m_log.error.assert_called_once_with(mock.ANY, exc_info=False)
message = m_log.error.call_args[0][0]
self.assertRegex(message, re.compile(regex, re.DOTALL))
def test_ctor(self):
fut = asyncio.Future(loop=self.loop)
tr = self.socket_transport(waiter=fut)
test_utils.run_briefly(self.loop)
self.assertIsNone(fut.result())
self.protocol.connection_made(tr)
self.proactor.recv.assert_called_with(self.sock, 4096)
def test_future_wrap_future_cancel(self):
from uvloop.loop import _wrap_future
f1 = concurrent.futures.Future()
f2 = _wrap_future(f1, loop=self.loop)
f2.cancel()
test_utils.run_briefly(self.loop)
self.assertTrue(f1.cancelled())
self.assertTrue(f2.cancelled())
def when_I_consume_a_message(self):
self.result = []
consumer = self.loop.run_until_complete(self.queue.consume(self.result.append, exclusive=True))
for retry in range(10):
test_utils.run_briefly(self.loop)
if self.result:
break
consumer.cancel()
def test_fatal_error_2(self):
tr = self.socket_transport()
tr._buffer = [b'data']
tr._force_close(None)
test_utils.run_briefly(self.loop)
self.protocol.connection_lost.assert_called_with(None)
self.assertEqual(None, tr._buffer)
def test_fatal_error_2(self):
tr = _ProactorSocketTransport(self.loop, self.sock, self.protocol)
tr._buffer = [b"data"]
tr._force_close(None)
test_utils.run_briefly(self.loop)
self.protocol.connection_lost.assert_called_with(None)
self.assertEqual(None, tr._buffer)
def _basetest_open_connection_error(self, open_connection_fut):
reader, writer = self.loop.run_until_complete(open_connection_fut)
writer._protocol.connection_lost(ZeroDivisionError())
f = reader.read()
with self.assertRaises(ZeroDivisionError):
self.loop.run_until_complete(f)
writer.close()
test_utils.run_briefly(self.loop)
def test_shield_exception(self):
inner = asyncio.Future(loop=self.loop)
outer = asyncio.shield(inner)
test_utils.run_briefly(self.loop)
exc = RuntimeError('expected')
inner.set_exception(exc)
test_utils.run_briefly(self.loop)
self.assertIs(outer.exception(), exc)
def test_wrap_future_cancel2(self):
f1 = concurrent.futures.Future()
f2 = asyncio.wrap_future(f1, loop=self.loop)
f1.set_result(42)
f2.cancel()
test_utils.run_briefly(self.loop)
self.assertFalse(f1.cancelled())
self.assertEqual(f1.result(), 42)
self.assertTrue(f2.cancelled())
def test_wait(self):
cond = locks.Condition(loop=self.loop)
result = []
@tasks.coroutine
def c1(result):
yield from cond.acquire()
if (yield from cond.wait()):
result.append(1)
return True
@tasks.coroutine
def c2(result):
yield from cond.acquire()
if (yield from cond.wait()):
result.append(2)
return True
@tasks.coroutine
def c3(result):
yield from cond.acquire()
if (yield from cond.wait()):
result.append(3)
return True
t1 = tasks.Task(c1(result), loop=self.loop)
t2 = tasks.Task(c2(result), loop=self.loop)
t3 = tasks.Task(c3(result), loop=self.loop)
test_utils.run_briefly(self.loop)
self.assertEqual([], result)
self.assertFalse(cond.locked())
self.assertTrue(self.loop.run_until_complete(cond.acquire()))
cond.notify()
test_utils.run_briefly(self.loop)
self.assertEqual([], result)
self.assertTrue(cond.locked())
cond.release()
test_utils.run_briefly(self.loop)
self.assertEqual([1], result)
self.assertTrue(cond.locked())
cond.notify(2)
test_utils.run_briefly(self.loop)
self.assertEqual([1], result)
self.assertTrue(cond.locked())
cond.release()
test_utils.run_briefly(self.loop)
self.assertEqual([1, 2], result)
self.assertTrue(cond.locked())
cond.release()
test_utils.run_briefly(self.loop)
self.assertEqual([1, 2, 3], result)
self.assertTrue(cond.locked())
self.assertTrue(t1.done())
self.assertTrue(t1.result())
self.assertTrue(t2.done())
self.assertTrue(t2.result())
self.assertTrue(t3.done())
self.assertTrue(t3.result())
def tearDown(self):
# just in case if we have transport close callbacks
test_utils.run_briefly(self.loop)
self.loop.close()
gc.collect()
def check_future_exception_never_retrieved(self, debug, m_log):
self.loop.set_debug(debug)
def memory_error():
try:
raise MemoryError()
except BaseException as exc:
return exc
exc = memory_error()
future = asyncio.Future(loop=self.loop)
if debug:
source_traceback = future._source_traceback
future.set_exception(exc)
future = None
test_utils.run_briefly(self.loop)
support.gc_collect()
if sys.version_info >= (3, 4):
if debug:
frame = source_traceback[-1]
regex = (r'^Future exception was never retrieved\n'
r'future: <Future finished exception=MemoryError\(\) '
r'created at {filename}:{lineno}>\n'
r'source_traceback: Object '
r'created at \(most recent call last\):\n'
r' File'
r'.*\n'
r' File "{filename}", line {lineno}, '
r'in check_future_exception_never_retrieved\n'
r' future = asyncio\.Future\(loop=self\.loop\)$'
).format(filename=re.escape(frame[0]),
lineno=frame[1])
else:
regex = (r'^Future exception was never retrieved\n'
r'future: '
r'<Future finished exception=MemoryError\(\)>$'
)
exc_info = (type(exc), exc, exc.__traceback__)
m_log.error.assert_called_once_with(mock.ANY, exc_info=exc_info)
else:
if debug:
frame = source_traceback[-1]
regex = (r'^Future/Task exception was never retrieved\n'
r'Future/Task created at \(most recent call last\):\n'
r' File'
r'.*\n'
r' File "{filename}", line {lineno}, '
r'in check_future_exception_never_retrieved\n'
r' future = asyncio\.Future\(loop=self\.loop\)\n'
r'Traceback \(most recent call last\):\n'
r'.*\n'
r'MemoryError$'
).format(filename=re.escape(frame[0]),
lineno=frame[1])
else:
regex = (r'^Future/Task exception was never retrieved\n'
r'Traceback \(most recent call last\):\n'
r'.*\n'
r'MemoryError$'
)
m_log.error.assert_called_once_with(mock.ANY, exc_info=False)
message = m_log.error.call_args[0][0]
self.assertRegex(message, re.compile(regex, re.DOTALL))
def test_close_write_fut(self):
tr = _ProactorSocketTransport(self.loop, self.sock, self.protocol)
tr._write_fut = unittest.mock.Mock()
tr.close()
test_utils.run_briefly(self.loop)
self.assertFalse(self.protocol.connection_lost.called)
def test_acquire(self):
sem = asyncio.Semaphore(3, loop=self.loop)
result = []
self.assertTrue(self.loop.run_until_complete(sem.acquire()))
self.assertTrue(self.loop.run_until_complete(sem.acquire()))
self.assertFalse(sem.locked())
@asyncio.coroutine
def c1(result):
yield from sem.acquire()
result.append(1)
return True
@asyncio.coroutine
def c2(result):
yield from sem.acquire()
result.append(2)
return True
@asyncio.coroutine
def c3(result):
yield from sem.acquire()
result.append(3)
return True
@asyncio.coroutine
def c4(result):
yield from sem.acquire()
result.append(4)
return True
t1 = asyncio.Task(c1(result), loop=self.loop)
t2 = asyncio.Task(c2(result), loop=self.loop)
t3 = asyncio.Task(c3(result), loop=self.loop)
test_utils.run_briefly(self.loop)
self.assertEqual([1], result)
self.assertTrue(sem.locked())
self.assertEqual(2, len(sem._waiters))
self.assertEqual(0, sem._value)
t4 = asyncio.Task(c4(result), loop=self.loop)
sem.release()
sem.release()
self.assertEqual(2, sem._value)
test_utils.run_briefly(self.loop)
self.assertEqual(0, sem._value)
self.assertEqual(3, len(result))
self.assertTrue(sem.locked())
self.assertEqual(1, len(sem._waiters))
self.assertEqual(0, sem._value)
self.assertTrue(t1.done())
self.assertTrue(t1.result())
race_tasks = [t2, t3, t4]
done_tasks = [t for t in race_tasks if t.done() and t.result()]
self.assertTrue(2, len(done_tasks))
# cleanup locked semaphore
sem.release()
self.loop.run_until_complete(asyncio.gather(*race_tasks))
def test_acquire(self):
sem = asyncio.Semaphore(3, loop=self.loop)
result = []
self.assertTrue(self.loop.run_until_complete(sem.acquire()))
self.assertTrue(self.loop.run_until_complete(sem.acquire()))
self.assertFalse(sem.locked())
@asyncio.coroutine
def c1(result):
yield from sem.acquire()
result.append(1)
return True
@asyncio.coroutine
def c2(result):
yield from sem.acquire()
result.append(2)
return True
@asyncio.coroutine
def c3(result):
yield from sem.acquire()
result.append(3)
return True
@asyncio.coroutine
def c4(result):
yield from sem.acquire()
result.append(4)
return True
t1 = asyncio.Task(c1(result), loop=self.loop)
t2 = asyncio.Task(c2(result), loop=self.loop)
t3 = asyncio.Task(c3(result), loop=self.loop)
test_utils.run_briefly(self.loop)
self.assertEqual([1], result)
self.assertTrue(sem.locked())
self.assertEqual(2, len(sem._waiters))
self.assertEqual(0, sem._value)
t4 = asyncio.Task(c4(result), loop=self.loop)
sem.release()
sem.release()
self.assertEqual(2, sem._value)
test_utils.run_briefly(self.loop)
self.assertEqual(0, sem._value)
self.assertEqual([1, 2, 3], result)
self.assertTrue(sem.locked())
self.assertEqual(1, len(sem._waiters))
self.assertEqual(0, sem._value)
self.assertTrue(t1.done())
self.assertTrue(t1.result())
self.assertTrue(t2.done())
self.assertTrue(t2.result())
self.assertTrue(t3.done())
self.assertTrue(t3.result())
self.assertFalse(t4.done())
# cleanup locked semaphore
sem.release()
self.loop.run_until_complete(t4)
def test_wait(self):
cond = asyncio.Condition(loop=self.loop)
result = []
async def c1(result):
await cond.acquire()
if await cond.wait():
result.append(1)
return True
async def c2(result):
await cond.acquire()
if await cond.wait():
result.append(2)
return True
async def c3(result):
await cond.acquire()
if await cond.wait():
result.append(3)
return True
t1 = asyncio.Task(c1(result), loop=self.loop)
t2 = asyncio.Task(c2(result), loop=self.loop)
t3 = asyncio.Task(c3(result), loop=self.loop)
test_utils.run_briefly(self.loop)
self.assertEqual([], result)
self.assertFalse(cond.locked())
self.assertTrue(self.loop.run_until_complete(cond.acquire()))
cond.notify()
test_utils.run_briefly(self.loop)
self.assertEqual([], result)
self.assertTrue(cond.locked())
cond.release()
test_utils.run_briefly(self.loop)
self.assertEqual([1], result)
self.assertTrue(cond.locked())
cond.notify(2)
test_utils.run_briefly(self.loop)
self.assertEqual([1], result)
self.assertTrue(cond.locked())
cond.release()
test_utils.run_briefly(self.loop)
self.assertEqual([1, 2], result)
self.assertTrue(cond.locked())
cond.release()
test_utils.run_briefly(self.loop)
self.assertEqual([1, 2, 3], result)
self.assertTrue(cond.locked())
self.assertTrue(t1.done())
self.assertTrue(t1.result())
self.assertTrue(t2.done())
self.assertTrue(t2.result())
self.assertTrue(t3.done())
self.assertTrue(t3.result())
def test_put_with_waiting_getters(self):
q = asyncio.Queue(loop=self.loop)
t = asyncio.Task(q.get(), loop=self.loop)
test_utils.run_briefly(self.loop)
self.loop.run_until_complete(q.put('a'))
self.assertEqual(self.loop.run_until_complete(t), 'a')
def test_tb_logger_exception_unretrieved(self, m_log):
fut = asyncio.Future(loop=self.loop)
fut.set_exception(RuntimeError('boom'))
del fut
test_utils.run_briefly(self.loop)
self.assertTrue(m_log.error.called)
def run_briefly(self):
test_utils.run_briefly(self.loop)
def test_close_write_fut(self):
tr = self.socket_transport()
tr._write_fut = mock.Mock()
tr.close()
test_utils.run_briefly(self.loop)
self.assertFalse(self.protocol.connection_lost.called)
def test_close_buffer(self):
tr = self.socket_transport()
tr._buffer = [b'data']
tr.close()
test_utils.run_briefly(self.loop)
self.assertFalse(self.protocol.connection_lost.called)
def test_force_close_idempotent(self):
tr = self.socket_transport()
tr._closing = True
tr._force_close(None)
test_utils.run_briefly(self.loop)
self.assertFalse(self.protocol.connection_lost.called)
