private Task<Bus> BuildMeABus()
{
return Task.Run(() =>
{
// Filter types we care about to only our own test's namespace. It's a performance optimisation because creating and
// deleting queues and topics is slow.
var typeProvider = new TestHarnessTypeProvider(new[] {GetType().Assembly}, new[] {GetType().Namespace});
var messageBroker = new DefaultMessageHandlerFactory(typeProvider);
var logger = new ConsoleLogger();
var bus = new BusBuilder().Configure()
.WithNames("IntegrationTestHarness", Environment.MachineName)
.WithConnectionString(CommonResources.ConnectionString)
.WithTypesFrom(typeProvider)
.WithCommandHandlerFactory(messageBroker)
.WithRequestHandlerFactory(messageBroker)
.WithMulticastEventHandlerFactory(messageBroker)
.WithCompetingEventHandlerFactory(messageBroker)
.WithMulticastRequestHandlerFactory(messageBroker)
.WithDefaultTimeout(TimeSpan.FromSeconds(10))
.WithLogger(logger)
.Build();
bus.ShouldNotBe(null);
bus.Start();
return bus;
});
}
public IBus Create()
{
var messageBroker = new DefaultMessageHandlerFactory(_typeProvider);
var bus = TestHarnessBusFactory.CreateAndStart(_typeProvider, messageBroker);
return bus;
}
private void ClearMeABus()
{
// Filter types we care about to only our own test's namespace. It's a performance optimisation because creating and
// deleting queues and topics is slow.
var typeProvider = new TestHarnessTypeProvider(new[] {GetType().Assembly}, new[] {"Some.Namespace.That.Does.Not.Exist"});
var messageBroker = new DefaultMessageHandlerFactory(typeProvider);
var logger = new ConsoleLogger();
var busBuilder = new BusBuilder().Configure()
.WithNames("IntegrationTestHarness", Environment.MachineName)
.WithConnectionString(CommonResources.ConnectionString)
.WithTypesFrom(typeProvider)
.WithCommandHandlerFactory(messageBroker)
.WithRequestHandlerFactory(messageBroker)
.WithMulticastEventHandlerFactory(messageBroker)
.WithCompetingEventHandlerFactory(messageBroker)
.WithMulticastRequestHandlerFactory(messageBroker)
.WithDefaultTimeout(TimeSpan.FromSeconds(10))
.WithLogger(logger)
.WithDebugOptions(
dc =>
dc.RemoveAllExistingNamespaceElementsOnStartup(
"I understand this will delete EVERYTHING in my namespace. I promise to only use this for test suites."))
;
using (var bus = busBuilder.Build())
{
bus.Start();
}
}
public override ITunnel Create(string hostName, string virtualHost, string username, string password, IRabbitWatcher watcher)
{
if (RabbitTunnel.Factory is DependencyInjectionTunnelFactory)
{
return RabbitTunnel.Factory.Create(hostName, virtualHost, username, password, watcher);
}
var rabbitWatcher = watcher ?? Global.DefaultWatcher;
var connectionFactory = new RabbitMQ.Client.ConnectionFactory
{
HostName = hostName,
VirtualHost = virtualHost,
UserName = username,
Password = password
};
var durableConnection = new DurableConnection(new DefaultRetryPolicy(), rabbitWatcher, connectionFactory);
var errorHandler = new ConsumerErrorHandler(connectionFactory, Global.DefaultSerializer, rabbitWatcher);
var msgHandlerFactory = new DefaultMessageHandlerFactory(errorHandler, rabbitWatcher);
var consumerManager = new ConsumerManager(rabbitWatcher, msgHandlerFactory, Global.DefaultSerializer);
return new RabbitTunnelWithPriorityQueuesSupport(consumerManager,
rabbitWatcher,
new DefaultRouteFinder(),
durableConnection,
Global.DefaultSerializer,
Global.DefaultCorrelationIdGenerator,
Global.DefaultPersistentMode);
}
public override ITunnel Create(string hostName, string virtualHost, string username, string password, IRabbitWatcher watcher)
{
if (RabbitTunnel.Factory is DependencyInjectionTunnelFactory)
{
return(RabbitTunnel.Factory.Create(hostName, virtualHost, username, password, watcher));
}
var rabbitWatcher = watcher ?? Global.DefaultWatcher;
var connectionFactory = new RabbitMQ.Client.ConnectionFactory
{
HostName = hostName,
VirtualHost = virtualHost,
UserName = username,
Password = password
};
var durableConnection = new DurableConnection(new DefaultRetryPolicy(), rabbitWatcher, connectionFactory);
var errorHandler = new ConsumerErrorHandler(connectionFactory, Global.DefaultSerializer, rabbitWatcher);
var msgHandlerFactory = new DefaultMessageHandlerFactory(errorHandler, Global.DefaultSerializer, rabbitWatcher);
var consumerManager = new ConsumerManager(rabbitWatcher, msgHandlerFactory, Global.DefaultSerializer);
var tunnel = new RabbitTunnelWithPriorityQueuesSupport(consumerManager,
rabbitWatcher,
new DefaultRouteFinder(),
durableConnection,
Global.DefaultSerializer,
Global.DefaultCorrelationIdGenerator,
Global.DefaultPersistentMode);
tunnel.AddSerializerObserver(errorHandler);
tunnel.AddSerializerObserver(msgHandlerFactory);
tunnel.AddSerializerObserver(consumerManager);
return(tunnel);
}
public static BusBuilderConfiguration WithDefaultHandlerFactory(this BusBuilderConfiguration configuration, DefaultMessageHandlerFactory messageHandlerFactory)
{
configuration
.WithCommandHandlerFactory(messageHandlerFactory)
.WithRequestHandlerFactory(messageHandlerFactory)
.WithMulticastRequestHandlerFactory(messageHandlerFactory)
.WithCompetingEventHandlerFactory(messageHandlerFactory)
.WithMulticastEventHandlerFactory(messageHandlerFactory);
return configuration;
}
public override ITunnel Create(string hostName, string virtualHost, string username, string password, IRabbitWatcher watcher)
{
var rabbitWatcher = watcher ?? _burrowResolver.Resolve <IRabbitWatcher>() ?? Global.DefaultWatcher;
var serializer = _burrowResolver.Resolve <ISerializer>() ?? Global.DefaultSerializer;
var connectionFactory = new RabbitMQ.Client.ConnectionFactory
{
HostName = hostName,
VirtualHost = virtualHost,
UserName = username,
Password = password
};
var durableConnection = new DurableConnection(_burrowResolver.Resolve <IRetryPolicy>() ?? new DefaultRetryPolicy(),
rabbitWatcher,
connectionFactory);
var abc = new ObjectObserver <IObserver <ISerializer> >();
Func <IConsumerErrorHandler> errorHandler = () =>
{
var handdler = new ConsumerErrorHandler(connectionFactory, serializer, rabbitWatcher);
abc.FireEvent(handdler);
return(handdler);
};
Func <IMessageHandlerFactory> handlerFactory = () =>
{
var factory = new DefaultMessageHandlerFactory(_burrowResolver.Resolve <IConsumerErrorHandler>() ?? errorHandler(),
serializer,
rabbitWatcher);
abc.FireEvent(factory);
return(factory);
};
Func <IConsumerManager> consumerManager = () =>
{
var manager = new ConsumerManager(rabbitWatcher,
_burrowResolver.Resolve <IMessageHandlerFactory>() ?? handlerFactory(),
serializer);
abc.FireEvent(manager);
return(manager);
};
var tunnel = new RabbitTunnel(_burrowResolver.Resolve <IConsumerManager>() ?? consumerManager(),
rabbitWatcher,
_burrowResolver.Resolve <IRouteFinder>() ?? new DefaultRouteFinder(),
durableConnection,
serializer,
_burrowResolver.Resolve <ICorrelationIdGenerator>() ?? Global.DefaultCorrelationIdGenerator,
Global.DefaultPersistentMode);
abc.ObjectCreated += tunnel.AddSerializerObserver;
return(tunnel);
}
public void DoFoo()
{
var typeProvider = new AssemblyScanningTypeProvider(Assembly.GetExecutingAssembly());
IMulticastEventHandlerFactory multicastEventHandlerFactory = new DefaultMessageHandlerFactory(typeProvider);
var bus = new BusBuilder().Configure()
.WithConnectionString("foo")
.WithNames("MyApp", Environment.MachineName)
.WithTypesFrom(typeProvider)
.WithMulticastEventHandlerFactory(multicastEventHandlerFactory)
.Build();
}
public static Bus CreateAndStart(ITypeProvider typeProvider, DefaultMessageHandlerFactory messageHandlerFactory)
{
var logger = new ConsoleLogger();
var bus = new BusBuilder().Configure()
.WithNames("MyTestSuite", Environment.MachineName)
.WithConnectionString(CommonResources.ConnectionString)
.WithTypesFrom(typeProvider)
.WithDefaultHandlerFactory(messageHandlerFactory)
.WithDefaultTimeout(TimeSpan.FromSeconds(10))
.WithLogger(logger)
.WithDebugOptions(
dc =>
dc.RemoveAllExistingNamespaceElementsOnStartup(
"I understand this will delete EVERYTHING in my namespace. I promise to only use this for test suites."))
.Build();
bus.Start();
return bus;
}
private ITunnel Create(DurableConnection durableConnection, ISerializer serializer, IRabbitWatcher rabbitWatcher)
{
var abc = new ObjectObserver <IObserver <ISerializer> >();
Func <IConsumerErrorHandler> errorHandler = () =>
{
var handdler = new ConsumerErrorHandler(durableConnection, serializer, rabbitWatcher);
abc.FireEvent(handdler);
return(handdler);
};
Func <IMessageHandlerFactory> handlerFactory = () =>
{
var factory = new DefaultMessageHandlerFactory(_burrowResolver.Resolve <IConsumerErrorHandler>() ?? errorHandler(),
serializer,
rabbitWatcher);
abc.FireEvent(factory);
return(factory);
};
Func <IConsumerManager> consumerManager = () =>
{
var manager = new ConsumerManager(rabbitWatcher,
_burrowResolver.Resolve <IMessageHandlerFactory>() ?? handlerFactory(),
serializer);
abc.FireEvent(manager);
return(manager);
};
var tunnel = new RabbitTunnel(_burrowResolver.Resolve <IConsumerManager>() ?? consumerManager(),
rabbitWatcher,
_burrowResolver.Resolve <IRouteFinder>() ?? new DefaultRouteFinder(),
durableConnection,
serializer,
_burrowResolver.Resolve <ICorrelationIdGenerator>() ?? Global.DefaultCorrelationIdGenerator,
Global.DefaultPersistentMode);
abc.ObjectCreated += tunnel.AddSerializerObserver;
return(tunnel);
}
public async Task ItShouldGoBangQuickly()
{
var typeProvider = new TestHarnessTypeProvider(new[] {GetType().Assembly}, new[] {GetType().Namespace});
var messageBroker = new DefaultMessageHandlerFactory(typeProvider);
var logger = new ConsoleLogger();
var bus = new BusBuilder().Configure()
.WithNames("IntegrationTestHarness", Environment.MachineName)
.WithConnectionString(@"Endpoint=sb://shouldnotexist.example.com/;SharedAccessKeyName=IntegrationTestHarness;SharedAccessKey=borkborkbork=")
.WithTypesFrom(typeProvider)
.WithCommandHandlerFactory(messageBroker)
.WithRequestHandlerFactory(messageBroker)
.WithMulticastEventHandlerFactory(messageBroker)
.WithCompetingEventHandlerFactory(messageBroker)
.WithMulticastRequestHandlerFactory(messageBroker)
.WithDefaultTimeout(TimeSpan.FromSeconds(10))
.WithLogger(logger)
.Build();
Should.Throw<BusException>(bus.Start);
}
private static void Main(string[] args)
{
// This is how you tell Nimbus where to find all your message types and handlers.
var typeProvider = new AssemblyScanningTypeProvider(Assembly.GetExecutingAssembly(), typeof (NewOrderRecieved).Assembly, typeof (OrderPizzaCommand).Assembly);
var messageBroker = new DefaultMessageHandlerFactory(typeProvider);
var connectionString = ConfigurationManager.AppSettings["AzureConnectionString"];
var bus = new BusBuilder().Configure()
.WithNames("Ordering", Environment.MachineName)
.WithConnectionString(connectionString)
.WithTypesFrom(typeProvider)
.WithDefaultHandlerFactory(messageBroker)
.WithDefaultTimeout(TimeSpan.FromSeconds(10))
.Build();
bus.Start();
while (true)
{
Console.WriteLine();
Console.WriteLine("Press 1 to get the current wait time.");
Console.WriteLine("Press 2 to order a pizza.");
Console.WriteLine("Press 3 to Quit.");
var input = Console.ReadLine();
switch (input)
{
case "1":
HowLongDoesAPizzaTake(bus);
break;
case "2":
Console.WriteLine("What's the customer's name?");
var customerName = Console.ReadLine().Trim();
if (string.IsNullOrWhiteSpace(customerName))
{
Console.WriteLine("You need to enter a customer name.");
continue;
}
var command = new OrderPizzaCommand {CustomerName = customerName};
bus.Send(command);
Console.WriteLine("Pizza ordered for {0}", customerName);
break;
case "3":
bus.Stop();
return;
default:
continue;
}
}
}
