public async Task Empty_sequence_is_returned_if_no_subscription(RabbitMqBusEngine sut)
{
var sequence = await sut.StartAsync();
var incomingMessages = sequence.DumpInList();
Assert.That(incomingMessages, Is.Empty);
}
public async Task Command_consumer_is_exposed_when_sequence_is_subscribed(RabbitMqBusEngine sut)
{
sut.SubscribeToCommand <FirstTestCommand>();
var sequence = await sut.StartAsync();
sequence.Subscribe(_ => { }); // subscribes to the sequence but takes no action when items are published
Assert.That(sut.Consumers.Count, Is.EqualTo(1));
}
public async Task Events_can_be_subscribed(RabbitMqBusEngine sut)
{
sut.SubscribeToEvent <FirstTestEvent>();
var sequence = await sut.StartAsync();
var incomingMessages = sequence.DumpInList();
Assert.That(incomingMessages, Is.Empty);
}
public async Task Events_can_be_sent([Frozen] IRabbitMqConfiguration configuration, RabbitMqBusEngine sut, EventMessage <FirstTestEvent> message)
{
await sut.StartAsync().ConfigureAwait(false);
await sut.SendMessageAsync(message);
Mock.Get(configuration.ConnectionFactory.CreateConnection().CreateModel()).Verify(p => p.BasicPublish(It.IsAny <string>(), It.IsAny <string>(), It.IsAny <bool>(), It.IsAny <IBasicProperties>(), It.IsAny <byte[]>()));
}
public async Task Arbitrary_headers_are_forwarded_when_sending_commands([Frozen] IRabbitMqConfiguration configuration, RabbitMqBusEngine sut, CommandMessage <FirstTestCommand> message, string headerKey, string headerValue)
{
message.Headers.Add(headerKey, headerValue);
await sut.StartAsync().ConfigureAwait(false);
await sut.SendMessageAsync(message);
Mock.Get(configuration.ConnectionFactory.CreateConnection().CreateModel()).Verify(p => p.BasicPublish(It.IsAny <string>(), It.IsAny <string>(), It.IsAny <bool>(), It.Is <IBasicProperties>(o => o.Headers.ContainsKey($"Custom:{headerKey}")), It.IsAny <byte[]>()));
}
public async Task QueueFactory_is_invoked_when_a_event_is_registered([Frozen] IMessageDescriptorStore messageDescriptorStore, [Frozen] IRabbitMqConfiguration configuration, RabbitMqBusEngine sut)
{
sut.SubscribeToEvent <FirstTestEvent>();
var sequence = await sut.StartAsync();
Mock.Get(configuration.EventQueueFactory).Verify(p => p.CreateQueue(It.IsAny <IModel>()));
}
public async Task RabbitMq_headers_are_read_from_incoming_message([Frozen] IRabbitMqConfiguration configuration, RabbitMqBusEngine sut, string consumerTag, ulong deliveryTag, bool redelivered, string exchange, string routingKey, string messageId, Guid correlationId, FirstTestCommand Command, string headerKey, string headerValue)
{
sut.SubscribeToCommand <FirstTestCommand>();
var sequence = await sut.StartAsync();
var encoding = Encoding.UTF8;
IBasicProperties properties = new BasicProperties
{
MessageId = messageId,
ContentEncoding = encoding.WebName,
Headers = new Dictionary <string, object>
{
["Nybus:MessageId"] = encoding.GetBytes(messageId),
["Nybus:MessageType"] = encoding.GetBytes(DescriptorName(Command.GetType())),
["Nybus:CorrelationId"] = correlationId.ToByteArray(),
[$"RabbitMq:{headerKey}"] = headerValue
}
};
var body = configuration.Serializer.SerializeObject(Command, encoding);
var incomingMessages = sequence.DumpInList();
sut.Consumers.First().Value.HandleBasicDeliver(consumerTag, deliveryTag, redelivered, exchange, routingKey, properties, body);
Assert.That(incomingMessages, Has.Exactly(1).InstanceOf <CommandMessage <FirstTestCommand> >());
var message = incomingMessages[0] as CommandMessage <FirstTestCommand>;
Assert.That(message, Is.Not.Null);
Assert.That(message.MessageId, Is.EqualTo(messageId));
Assert.That(message.MessageType, Is.EqualTo(MessageType.Command));
Assert.That(message.Type, Is.EqualTo(Command.GetType()));
Assert.That(message.Command, Is.Not.Null);
Assert.That(message.Headers, Contains.Key($"RabbitMq:{headerKey}"));
Assert.That(message.Headers[$"RabbitMq:{headerKey}"], Is.EqualTo(headerValue));
}
public async Task Global_QoS_is_sent_if_value_is_set([Frozen] IRabbitMqConfiguration configuration, RabbitMqBusEngine sut, ushort limit)
{
Mock.Get(configuration).SetupGet(p => p.UnackedMessageCountLimit).Returns(limit);
await sut.StartAsync();
await sut.StopAsync();
Mock.Get(configuration.ConnectionFactory.CreateConnection().CreateModel()).Verify(p => p.BasicQos(0, limit, true));
}
public void SubscribeToEvent_handles_multiple_events([Frozen] IMessageDescriptorStore messageDescriptorStore, RabbitMqBusEngine sut)
{
sut.SubscribeToEvent <FirstTestEvent>();
sut.SubscribeToEvent <SecondTestEvent>();
Assert.That(messageDescriptorStore.Events, Contains.Item(typeof(FirstTestEvent)));
Assert.That(messageDescriptorStore.Events, Contains.Item(typeof(SecondTestEvent)));
}
public async Task Events_can_be_received([Frozen] IRabbitMqConfiguration configuration, RabbitMqBusEngine sut, string consumerTag, ulong deliveryTag, bool redelivered, string exchange, string routingKey, string messageId, Guid correlationId, FirstTestEvent @event)
{
sut.SubscribeToEvent <FirstTestEvent>();
var sequence = await sut.StartAsync();
var encoding = Encoding.UTF8;
IBasicProperties properties = new BasicProperties
{
MessageId = messageId,
ContentEncoding = encoding.WebName,
Headers = new Dictionary <string, object>
{
["Nybus:MessageId"] = encoding.GetBytes(messageId),
["Nybus:MessageType"] = encoding.GetBytes(DescriptorName(@event.GetType())),
["Nybus:CorrelationId"] = correlationId.ToByteArray()
}
};
var body = configuration.Serializer.SerializeObject(@event, encoding);
var incomingMessages = sequence.DumpInList();
sut.Consumers.First().Value.HandleBasicDeliver(consumerTag, deliveryTag, redelivered, exchange, routingKey, properties, body);
Assert.That(incomingMessages, Has.Exactly(1).InstanceOf <EventMessage <FirstTestEvent> >());
var message = incomingMessages[0] as EventMessage <FirstTestEvent>;
Assert.That(message, Is.Not.Null);
Assert.That(message.MessageId, Is.EqualTo(messageId));
Assert.That(message.MessageType, Is.EqualTo(MessageType.Event));
Assert.That(message.Type, Is.EqualTo(@event.GetType()));
Assert.That(message.Event, Is.Not.Null);
}
public async Task Events_with_invalid_type_format_are_ignored_and_nacked([Frozen] IRabbitMqConfiguration configuration, RabbitMqBusEngine sut, string consumerTag, ulong deliveryTag, bool redelivered, string exchange, string routingKey, string messageId, Guid correlationId, FirstTestEvent @event)
{
sut.SubscribeToEvent <FirstTestEvent>();
var sequence = await sut.StartAsync();
var encoding = Encoding.UTF8;
IBasicProperties properties = new BasicProperties
{
MessageId = messageId,
ContentEncoding = encoding.WebName,
Headers = new Dictionary <string, object>
{
["Nybus:MessageId"] = encoding.GetBytes(messageId),
["Nybus:MessageType"] = encoding.GetBytes(@event.GetType().FullName),
["Nybus:CorrelationId"] = correlationId.ToByteArray()
}
};
var body = configuration.Serializer.SerializeObject(@event, encoding);
var incomingMessages = sequence.DumpInList();
sut.Consumers.First().Value.HandleBasicDeliver(consumerTag, deliveryTag, redelivered, exchange, routingKey, properties, body);
Assert.That(incomingMessages, Is.Empty);
Mock.Get(configuration.ConnectionFactory.CreateConnection().CreateModel()).Verify(p => p.BasicNack(deliveryTag, It.IsAny <bool>(), It.IsAny <bool>()));
}
public async Task Queue_is_bound_to_exchange_when_a_command_is_registered([Frozen] IRabbitMqConfiguration configuration, RabbitMqBusEngine sut)
{
sut.SubscribeToCommand <FirstTestCommand>();
var sequence = await sut.StartAsync();
Mock.Get(configuration.ConnectionFactory.CreateConnection().CreateModel()).Verify(p => p.QueueBind(It.IsAny <string>(), It.IsAny <string>(), It.IsAny <string>(), It.IsAny <IDictionary <string, object> >()));
}
public async Task Exchange_is_declared_when_a_command_is_registered([Frozen] IRabbitMqConfiguration configuration, RabbitMqBusEngine sut)
{
sut.SubscribeToCommand <FirstTestCommand>();
var sequence = await sut.StartAsync();
Mock.Get(configuration.CommandExchangeManager).Verify(p => p.EnsureExchangeExists(It.IsAny <IModel>(), It.IsAny <string>(), It.IsAny <string>()));
}
public async Task QueueFactory_is_invoked_when_a_command_is_registered([Frozen] IRabbitMqConfiguration configuration, RabbitMqBusEngine sut)
{
sut.SubscribeToCommand <FirstTestCommand>();
var sequence = await sut.StartAsync();
Mock.Get(configuration.CommandQueueFactory).Verify(p => p.CreateQueue(It.IsAny <IModel>()));
}
public async Task Events_can_be_sent([Frozen] IRabbitMqConfiguration configuration, RabbitMqBusEngine sut, EventMessage <FirstTestEvent> message, string headerKey, string headerValue)
{
message.Headers[headerKey] = headerValue;
await sut.StartAsync();
await sut.SendMessageAsync(message);
Mock.Get(configuration.ConnectionFactory.CreateConnection().CreateModel()).Verify(p => p.BasicPublish(It.IsAny <string>(), It.IsAny <string>(), It.IsAny <bool>(), It.Is <IBasicProperties>(bp => bp.Headers.ContainsKey($"Custom:{headerKey}") && (string)bp.Headers[$"Custom:{headerKey}"] == headerValue), It.IsAny <byte[]>()));
}
public async Task Arbitrary_RabbitMq_headers_are_forwarded_when_sending_events([Frozen] IRabbitMqConfiguration configuration, RabbitMqBusEngine sut, EventMessage <FirstTestEvent> message, string headerKey, string headerValue)
{
message.Headers[$"RabbitMq:{headerKey}"] = headerValue;
await sut.StartAsync().ConfigureAwait(false);
await sut.SendMessageAsync(message);
Mock.Get(configuration.ConnectionFactory.CreateConnection().CreateModel()).Verify(p => p.BasicPublish(It.IsAny <string>(), It.IsAny <string>(), It.IsAny <bool>(), It.Is <IBasicProperties>(bp => bp.Headers.ContainsKey($"RabbitMq:{headerKey}") && (string)bp.Headers[$"RabbitMq:{headerKey}"] == headerValue), It.IsAny <byte[]>()));
}
public void SubscribeToCommand_registers_command_type([Frozen] IMessageDescriptorStore messageDescriptorStore, RabbitMqBusEngine sut)
{
sut.SubscribeToCommand <FirstTestCommand>();
Assert.That(messageDescriptorStore.Commands, Contains.Item(typeof(FirstTestCommand)));
}
public async Task NotifySuccess_acks_event_messages([Frozen] IRabbitMqConfiguration configuration, RabbitMqBusEngine sut, string consumerTag, ulong deliveryTag, bool redelivered, string exchange, string routingKey, string messageId, Guid correlationId, FirstTestEvent @event)
{
sut.SubscribeToEvent <FirstTestEvent>();
var sequence = await sut.StartAsync().ConfigureAwait(false);
var encoding = Encoding.UTF8;
IBasicProperties properties = new BasicProperties
{
MessageId = messageId,
ContentEncoding = encoding.WebName,
Headers = new Dictionary <string, object>
{
["Nybus:MessageId"] = encoding.GetBytes(messageId),
["Nybus:MessageType"] = encoding.GetBytes(DescriptorName(@event.GetType())),
["Nybus:CorrelationId"] = correlationId.ToByteArray()
}
};
var body = configuration.Serializer.SerializeObject(@event, encoding);
var incomingMessages = sequence.DumpInList();
sut.Consumers.First().Value.HandleBasicDeliver(consumerTag, deliveryTag, redelivered, exchange, routingKey, properties, body);
await sut.NotifySuccessAsync(incomingMessages.First());
Mock.Get(configuration.ConnectionFactory.CreateConnection().CreateModel()).Verify(p => p.BasicAck(deliveryTag, It.IsAny <bool>()));
}
public void SubscribeToCommand_handles_multiple_commands([Frozen] IMessageDescriptorStore messageDescriptorStore, RabbitMqBusEngine sut)
{
sut.SubscribeToCommand <FirstTestCommand>();
sut.SubscribeToCommand <SecondTestCommand>();
Assert.That(messageDescriptorStore.Commands, Contains.Item(typeof(FirstTestCommand)));
Assert.That(messageDescriptorStore.Commands, Contains.Item(typeof(SecondTestCommand)));
}
public async Task NotifyFail_can_handle_closed_connections([Frozen] IRabbitMqConfiguration configuration, RabbitMqBusEngine sut, string consumerTag, ulong deliveryTag, bool redelivered, string exchange, string routingKey, string messageId, Guid correlationId, FirstTestCommand command, ShutdownEventArgs shutdownEventArgs)
{
sut.SubscribeToCommand <FirstTestCommand>();
var sequence = await sut.StartAsync().ConfigureAwait(false);
var encoding = Encoding.UTF8;
IBasicProperties properties = new BasicProperties
{
MessageId = messageId,
ContentEncoding = encoding.WebName,
Headers = new Dictionary <string, object>
{
["Nybus:MessageId"] = encoding.GetBytes(messageId),
["Nybus:MessageType"] = encoding.GetBytes(DescriptorName(command.GetType())),
["Nybus:CorrelationId"] = correlationId.ToByteArray()
}
};
var body = configuration.Serializer.SerializeObject(command, encoding);
var incomingMessages = sequence.DumpInList();
sut.Consumers.First().Value.HandleBasicDeliver(consumerTag, deliveryTag, redelivered, exchange, routingKey, properties, body);
Mock.Get(configuration.ConnectionFactory.CreateConnection().CreateModel()).Setup(p => p.BasicNack(It.IsAny <ulong>(), It.IsAny <bool>(), It.IsAny <bool>())).Throws(new AlreadyClosedException(shutdownEventArgs));
await sut.NotifyFailAsync(incomingMessages.First());
Mock.Get(configuration.ConnectionFactory.CreateConnection().CreateModel()).Verify(p => p.BasicNack(deliveryTag, It.IsAny <bool>(), It.IsAny <bool>()));
}
public async Task Invalid_commands_are_discarded([Frozen] IRabbitMqConfiguration configuration, RabbitMqBusEngine sut, string consumerTag, ulong deliveryTag, bool redelivered, string exchange, string routingKey, string messageId, Guid correlationId, FirstTestCommand command)
{
// At least one subscription is needed to inject invalid messages
sut.SubscribeToCommand <SecondTestCommand>();
var sequence = await sut.StartAsync();
var encoding = Encoding.UTF8;
IBasicProperties properties = new BasicProperties
{
MessageId = messageId,
ContentEncoding = encoding.WebName,
Headers = new Dictionary <string, object>
{
["Nybus:MessageId"] = encoding.GetBytes(messageId),
["Nybus:MessageType"] = encoding.GetBytes(DescriptorName(command.GetType())),
["Nybus:CorrelationId"] = correlationId.ToByteArray()
}
};
var body = configuration.Serializer.SerializeObject(command, encoding);
var incomingMessages = sequence.DumpInList();
sut.Consumers.First().Value.HandleBasicDeliver(consumerTag, deliveryTag, redelivered, exchange, routingKey, properties, body);
Assert.That(incomingMessages, Is.Empty);
Mock.Get(configuration.ConnectionFactory.CreateConnection().CreateModel()).Verify(p => p.BasicNack(deliveryTag, It.IsAny <bool>(), It.IsAny <bool>()));
}
public async Task No_QoS_is_sent_if_no_value_is_set([Frozen] IRabbitMqConfiguration configuration, RabbitMqBusEngine sut)
{
Mock.Get(configuration).SetupGet(p => p.UnackedMessageCountLimit).Returns(null as ushort?);
await sut.StartAsync();
await sut.StopAsync();
Mock.Get(configuration.ConnectionFactory.CreateConnection().CreateModel()).Verify(p => p.BasicQos(It.IsAny <uint>(), It.IsAny <ushort>(), It.IsAny <bool>()), Times.Never);
}
public async Task Engine_can_be_stopped([Frozen] IRabbitMqConfiguration configuration, RabbitMqBusEngine sut)
{
await sut.StartAsync();
await sut.StopAsync();
Mock.Get(configuration.ConnectionFactory.CreateConnection()).Verify(p => p.Dispose());
Mock.Get(configuration.ConnectionFactory.CreateConnection().CreateModel()).Verify(p => p.Dispose());
}
public void SubscribeToEvent_registers_event_type([Frozen] IMessageDescriptorStore messageDescriptorStore, RabbitMqBusEngine sut)
{
sut.SubscribeToEvent <FirstTestEvent>();
Assert.That(messageDescriptorStore.Events, Contains.Item(typeof(FirstTestEvent)));
}
public async Task Issue90([Frozen] ISerializer serializer, [Frozen] IRabbitMqConfiguration configuration, RabbitMqBusEngine sut, string consumerTag, ulong headerDeliveryTag, ulong deliveryTag, bool redelivered, string exchange, string routingKey, string messageId, Guid correlationId, DateTimeOffset sentOn, FirstTestCommand testCommand)
{
Mock.Get(serializer).Setup(p => p.DeserializeObject(It.IsAny <byte[]>(), It.IsAny <Type>(), It.IsAny <Encoding>())).Returns(testCommand);
sut.SubscribeToCommand <FirstTestCommand>();
var sequence = await sut.StartAsync();
var encoding = Encoding.UTF8;
IBasicProperties properties = new BasicProperties
{
MessageId = messageId,
ContentEncoding = encoding.WebName,
Headers = new Dictionary <string, object>
{
["Nybus:MessageId"] = encoding.GetBytes(messageId),
["Nybus:MessageType"] = encoding.GetBytes(DescriptorName(testCommand.GetType())),
["Nybus:CorrelationId"] = correlationId.ToByteArray(),
["RabbitMq:DeliveryTag"] = headerDeliveryTag
}
};
var body = configuration.Serializer.SerializeObject(testCommand, encoding);
var incomingMessages = sequence.DumpInList();
sut.Consumers.First().Value.HandleBasicDeliver(consumerTag, deliveryTag, redelivered, exchange, routingKey, properties, body);
Assert.That(incomingMessages, Has.Exactly(1).InstanceOf <CommandMessage <FirstTestCommand> >());
var message = incomingMessages[0] as CommandMessage <FirstTestCommand>;
Assert.That(message.Headers, Contains.Key("RabbitMq:DeliveryTag"));
Assert.That(message.Headers["RabbitMq:DeliveryTag"], Is.EqualTo(deliveryTag.ToString()));
}