public void async_execution_of_handlers_will_not_block_message_sender()
{
//Arrange
var ping_logger = new MessageLogger();
var ping_handler = new PingHandler(ping_logger.add);
Bus.Instance.Register(ping_handler);
//Act
Bus.Instance.SendMessageAsync(new Ping());
//Assert
Assert.AreEqual(0, ping_logger.messages.Count());
}
public void will_publish_once_to_single_handler()
{
//Arrange
var ping_logger = new MessageLogger();
var ping_handler = new PingHandler(ping_logger.add);
Bus.Instance.Register(ping_handler);
//Act
Bus.Instance.SendMessage(new Ping());
//Assert
Assert.AreEqual(1, ping_logger.messages.Count());
}
public void will_publish_one_of_each_message_to_double_handler()
{
//Arrange
var ping_pong_logger = new MessageLogger();
var ping_pong_handler = new PingPongHandler(ping_pong_logger.add, ping_pong_logger.add);
Bus.Instance.Register(ping_pong_handler);
//Act
Bus.Instance.SendMessage(new Ping());
Bus.Instance.SendMessage(new Pong());
//Assert
Assert.AreEqual(2, ping_pong_logger.messages.Count());
Assert.AreEqual(1, ping_pong_logger.get_messages_of_type <Ping>().Count());
Assert.AreEqual(1, ping_pong_logger.get_messages_of_type <Pong>().Count());
}
public void exception_in_one_handler_will_not_halt_execution_of_other_handlers()
{
//Arrange
var ping_logger = new MessageLogger();
var ping_handler = new PingHandler(m => { throw new System.Exception(); });
var ping_logger2 = new MessageLogger();
var ping_handler2 = new PingHandler(ping_logger2.add);
Bus.Instance.Register(ping_handler);
Bus.Instance.Register(ping_handler2);
//Act
Bus.Instance.SendMessage(new Ping());
//Assert
Assert.AreEqual(1, ping_logger2.messages.Count());
}
public void will_publish_manytimes_to_single_handler()
{
//Arrange
var ping_logger = new MessageLogger();
var ping_handler = new PingHandler(ping_logger.add);
Bus.Instance.Register(ping_handler);
//Act
Enumerable
.Range(0, 5)
.ToList()
.ForEach(i =>
{
Bus.Instance.SendMessage(new Ping());
});
//Assert
Assert.AreEqual(5, ping_logger.messages.Count());
}