def test_safe_interval(self): """Verify that the safe interval for a given in transport is respected by the transport queue.""" # Temporarily set the safe open interval for the default transport to a finite value transport_class = self.authinfo.get_transport().__class__ original_interval = transport_class._DEFAULT_SAFE_OPEN_INTERVAL # pylint: disable=protected-access try: transport_class._DEFAULT_SAFE_OPEN_INTERVAL = 0.25 # pylint: disable=protected-access import time queue = TransportQueue() loop = queue.loop() time_start = time.time() @coroutine def test(iteration): trans = None with queue.request_transport(self.authinfo) as request: trans = yield request time_current = time.time() time_elapsed = time_current - time_start time_minimum = trans.get_safe_open_interval() * (iteration + 1) self.assertTrue(time_elapsed > time_minimum, 'transport safe interval was violated') for i in range(5): loop.run_sync(lambda iteration=i: test(iteration)) finally: transport_class._DEFAULT_SAFE_OPEN_INTERVAL = original_interval # pylint: disable=protected-access
def test_get_transport_interleaved(self): """Test interleaved calls to get the same transport.""" transport_queue = TransportQueue() loop = transport_queue.loop() @coroutine def interleaved(authinfo): with transport_queue.request_transport(authinfo) as trans_future: yield trans_future loop.run_sync(lambda: [interleaved(self.authinfo), interleaved(self.authinfo)])
def test_return_from_context(self): """Test raising a Return from coroutine context.""" queue = TransportQueue() loop = queue.loop() @coroutine def test(): with queue.request_transport(self.authinfo) as request: trans = yield request raise Return(trans.is_open) retval = loop.run_sync(lambda: test()) # pylint: disable=unnecessary-lambda self.assertTrue(retval)
def test_simple_request(self): """ Test a simple transport request """ queue = TransportQueue() loop = queue.loop() @coroutine def test(): trans = None with queue.request_transport(self.authinfo) as request: trans = yield request self.assertTrue(trans.is_open) self.assertFalse(trans.is_open) loop.run_sync(lambda: test()) # pylint: disable=unnecessary-lambda
def test_get_transport_nested(self): """Test nesting calls to get the same transport.""" transport_queue = TransportQueue() loop = transport_queue.loop() @coroutine def nested(queue, authinfo): with queue.request_transport(authinfo) as request1: trans1 = yield request1 self.assertTrue(trans1.is_open) with queue.request_transport(authinfo) as request2: trans2 = yield request2 self.assertIs(trans1, trans2) self.assertTrue(trans2.is_open) loop.run_sync(lambda: nested(transport_queue, self.authinfo))
def test_open_fail(self): """Test that if opening fails.""" queue = TransportQueue() loop = queue.loop() @coroutine def test(): with queue.request_transport(self.authinfo) as request: yield request def broken_open(trans): raise RuntimeError('Could not open transport') original = None try: # Let's put in a broken open method original = self.authinfo.get_transport().__class__.open self.authinfo.get_transport().__class__.open = broken_open with self.assertRaises(RuntimeError): loop.run_sync(lambda: test()) # pylint: disable=unnecessary-lambda finally: self.authinfo.get_transport().__class__.open = original