public void announced_messages_should_be_delivered_to_all_who_have_expressed_interest_in_that_message_type()
{
var test_subject = new MailRoom();
var log = store_silly_values();
test_subject.subscribe<SillyMessage>(log.accept);
test_subject.announce_and_wait(new SillyMessage("1"), TimeSpan.FromMilliseconds(50));
test_subject.announce_and_wait(new SillyMessage("2"), TimeSpan.FromMilliseconds(50));
log.received.Should()
.ContainInOrder(new object[] {"1", "2"});
}
public void announce_and_wait_should_time_out_but_not_cancel_tasks_if_tasks_never_finish()
{
var test_subject = new MailRoom();
test_subject.subscribe<SillyMessage>(message_handler_that_never_finishes);
test_subject.announce_and_wait(new SillyMessage("hi"), TimeSpan.FromMilliseconds(10))
.Should()
.BeFalse();
_log.Should()
.ContainInOrder(new object[] {"Notified: hi"});
}
public void announce_and_wait_should_only_return_after_all_recipients_have_completed()
{
var test_subject = new MailRoom();
test_subject.subscribe<SillyMessage>(message_handler_that_finishes);
test_subject.announce_and_wait(new SillyMessage("hi"), TimeSpan.FromMilliseconds(50))
.Should()
.BeTrue();
_log.Should()
.ContainInOrder(new object[] {"Notified: hi", "Finished: hi"});
}
public void universal_subscribers_should_receive_all_messages()
{
var test_subject = new MailRoom();
var log = store_all_values();
test_subject.subscribe_to_all(log.accept);
test_subject.announce(new SillyMessage("silly"));
test_subject.announce_and_wait(new SeriousMessage("serious"), TimeSpan.Zero);
log.received.Should()
.ContainInOrder(new object[] {"silly", "serious"});
}
public void subscribing_for_a_message_while_processing_that_message_should_result_in_new_subscriber_not_receiving_message()
{
var test_subject = new MailRoom();
test_subject.subscribe<SillyMessage>(new RecursiveSubscriber(3, test_subject, _log).subscribe_recursively_until_counter_expires);
test_subject.subscribe<SillyMessage>(new RecursiveSubscriber(3, test_subject, _log).subscribe_recursively_until_counter_expires);
test_subject.announce_and_wait(new SillyMessage("hi"), TimeSpan.FromMilliseconds(100))
.Should()
.BeTrue();
_log.Should()
.ContainInOrder(new object[] {"Counted 3: hi", "Counted 3: hi"});
}
public void subscribers_should_only_get_messages_they_asked_for()
{
var test_subject = new MailRoom();
var log = store_silly_values();
test_subject.subscribe<SillyMessage>(log.accept);
test_subject.announce_and_wait(new SillyMessage("silly"), TimeSpan.FromMilliseconds(50));
test_subject.announce_and_wait(new SeriousMessage("serious"), TimeSpan.FromMilliseconds(50));
log.received.Should()
.ContainInOrder(new object[] {"silly"});
}