def test_drop():
policy = create_policy()
policy.leased_messages['ack_id_string'] = 0
policy._bytes = 20
policy.drop([base.DropRequest(ack_id='ack_id_string', byte_size=20)])
assert len(policy.leased_messages) == 0
assert policy._bytes == 0
# Do this again to establish idempotency.
policy.drop([base.DropRequest(ack_id='ack_id_string', byte_size=20)])
assert len(policy.leased_messages) == 0
assert policy._bytes == 0
def test_drop():
policy = create_policy()
policy.managed_ack_ids.add('ack_id_string')
policy._bytes = 20
policy.drop([base.DropRequest(ack_id='ack_id_string', byte_size=20)])
assert len(policy.managed_ack_ids) == 0
assert policy._bytes == 0
# Do this again to establish idempotency.
policy.drop([base.DropRequest(ack_id='ack_id_string', byte_size=20)])
assert len(policy.managed_ack_ids) == 0
assert policy._bytes == 0
def test_drop_unexpected_negative(_LOGGER):
policy = create_policy()
policy.leased_messages['ack_id_string'] = 0
policy._bytes = 0
policy.drop([base.DropRequest(ack_id='ack_id_string', byte_size=20)])
assert len(policy.leased_messages) == 0
assert policy._bytes == 0
_LOGGER.debug.assert_called_once_with(
'Bytes was unexpectedly negative: %d', -20)
def test_drop():
msg = create_message(b'foo', ack_id='bogus_ack_id')
with mock.patch.object(msg._request_queue, 'put') as put:
msg.drop()
put.assert_called_once_with(
base.DropRequest(
ack_id='bogus_ack_id',
byte_size=25,
))
check_call_types(put, base.DropRequest)
def test_nack():
policy = create_policy()
with mock.patch.object(policy, 'modify_ack_deadline') as mad:
with mock.patch.object(policy, 'drop') as drop:
items = [base.NackRequest(ack_id='ack_id_string', byte_size=10)]
policy.nack(items)
drop.assert_called_once_with(
[base.DropRequest(ack_id='ack_id_string', byte_size=10)])
mad.assert_called_once_with(
[base.ModAckRequest(ack_id='ack_id_string', seconds=0)])
def drop(self):
"""Release the message from lease management.
This informs the policy to no longer hold on to the lease for this
message. Pub/Sub will re-deliver the message if it is not acknowledged
before the existing lease expires.
.. warning::
For most use cases, the only reason to drop a message from
lease management is on :meth:`ack` or :meth:`nack`; these methods
both call this one. You probably do not want to call this method
directly.
"""
self._request_queue.put(
base_policy.DropRequest(ack_id=self._ack_id, byte_size=self.size))
def test_drop_below_threshold():
"""Establish that we resume a paused subscription.
If the subscription is paused, and we drop sufficiently below
the flow control thresholds, it should resume.
"""
policy = create_policy()
policy.leased_messages['ack_id_string'] = 0
num_bytes = 20
policy._bytes = num_bytes
consumer = policy._consumer
assert consumer.paused is True
policy.drop(
[base.DropRequest(ack_id='ack_id_string', byte_size=num_bytes)])
assert consumer.paused is False
threads[2].start.assert_called_once_with()
def test_open_already_open():
policy = create_policy()
policy._future = mock.sentinel.future
with pytest.raises(ValueError) as exc_info:
policy.open(None)
assert exc_info.value.args == ('This policy has already been opened.', )
@pytest.mark.parametrize('item,method',
[(base.AckRequest(0, 0, 0), 'ack'),
(base.DropRequest(0, 0), 'drop'),
(base.LeaseRequest(0, 0), 'lease'),
(base.ModAckRequest(0, 0), 'modify_ack_deadline'),
(base.NackRequest(0, 0), 'nack')])
def test_dispatch_callback_valid(item, method):
policy = create_policy()
with mock.patch.object(policy, method) as mocked:
items = [item]
policy.dispatch_callback(items)
mocked.assert_called_once_with([item])
def test_on_exception_deadline_exceeded():
policy = create_policy()
details = 'Bad thing happened. Time out, go sit in the corner.'
