def test_tell_sends_message_and_sender_to_cell():
cell = Mock(spec_set=Cell)
sender = Mock(spec_set=ActorRef)
message = object()
ref = ActorRef(cell)
ref.tell(message, sender)
cell.send_message.assert_called_once_with(message, sender)
def test_terminate_sends_unhandled_messages_to_dead_letters(
cell, mailbox, system):
message = Mock()
sender = Mock()
mailbox.flush_messages.return_value = [Envelope(message, sender)]
cell.handle_system_message(Terminate)
system.dead_letters.tell.assert_called_once_with(
DeadLetter(message, sender, ActorRef(cell)))
def test_sending_message_to_terminated_actor_should_forward_to_dead_letters(
cell, system):
cell.handle_system_message(Terminate)
message = Mock()
sender = Mock()
cell.send_message(message, sender)
system.dead_letters.tell.assert_called_once_with(
DeadLetter(message, sender, ActorRef(cell)))
def test_failure_in_start_hook_should_send_failure_to_supervisor(
actor, supervisor):
actor.pre_start.side_effect = AttributeError()
cell = Cell(lambda: actor, Mock(), Mock(), supervisor)
cell.handle_system_message(Start)
actor.pre_start.assert_called_once_with()
_check_sent_failure_message(ActorRef(cell), supervisor,
ActorInitializationError())
def test_equality():
cell_1 = object()
cell_2 = object()
assert ActorRef(cell_1) != ActorRef(cell_2)
assert ActorRef(cell_1) == ActorRef(cell_1)
assert InternalRef(cell_1) != InternalRef(cell_2)
assert InternalRef(cell_1) == InternalRef(cell_1)
assert InternalRef(cell_1) == ActorRef(cell_1)
assert ActorRef(cell_1) != object()
def test_context_properties(actor, supervisor, running_cell):
sender = object()
global actual_sender, actual_supervisor, actual_self_ref
actual_sender = actual_supervisor = actual_self_ref = None
def store_context(message):
global actual_sender, actual_supervisor, actual_self_ref
actual_sender = actor.context.sender
actual_supervisor = actor.context.supervisor
actual_self_ref = actor.context.self_ref
actor.receive.side_effect = store_context
running_cell.handle_message(Envelope(Mock(), sender))
assert actor.receive.call_count == 1
assert actual_sender is sender
assert actual_supervisor is supervisor
assert actual_self_ref == ActorRef(running_cell)
def actor_of(self, cls=None, behaviour=None, dispatcher=None):
if cls:
factory = cls
elif behaviour:
factory = _actor_from_behaviour(behaviour)
else:
raise ValueError()
if dispatcher is None:
dispatcher = self._system._system_dispatcher
from actors.internal.cell import Cell
cell = Cell(factory,
dispatcher=dispatcher,
system=self._system,
parent=self._supervisor)
internal_ref = InternalRef(cell)
self._supervisor.send_system_message(Supervise(internal_ref))
internal_ref.send_system_message(Start)
return ActorRef(cell)
def test_tell_raises_if_sender_is_not_an_actor_ref():
ref = ActorRef(Mock())
with pytest.raises(ValueError):
ref.tell(Mock(), object())
def test_failure_in_message_handler_sends_failure_message_to_supervisor(
actor, supervisor, running_cell):
actor.receive.side_effect = ArithmeticError()
running_cell.handle_message(Mock())
_check_sent_failure_message(ActorRef(running_cell), supervisor,
ArithmeticError())
def test_failure_in_restart_hook_should_send_failure_to_supervisor(
actor, supervisor, running_cell):
actor.pre_restart.side_effect = ArithmeticError()
running_cell.handle_system_message(Restart)
_check_sent_failure_message(ActorRef(running_cell), supervisor,
ActorInitializationError())
def test_sends_failure_if_factory_does_not_return_an_actor(supervisor):
cell = Cell(lambda: object(), Mock(), Mock(), supervisor)
cell.handle_system_message(Start)
_check_sent_failure_message(ActorRef(cell), supervisor,
ActorInitializationError())
