public void MessageHandlerResolverReturnsMessageHandlerInstanceForCustomSubscriptionFilterMessageProperties()
{
var subscriptionFilter = new SubscriptionFilter
{
MessageProperties = new Dictionary <string, string>
{
{ "MessageType", "AL" }
}
};
subscriptionFilter.Build(new(), typeof(AircraftLanded));
var services = new ServiceCollection();
var sut = new MessageHandlerResolver(services);
sut.SubcribeToMessage <AircraftLanded, AircraftLandedHandler>(subscriptionFilter);
sut.Initialize();
var handler = sut.Resolve("AL");
Assert.NotNull(handler);
Assert.IsType <AircraftLandedHandler>(handler);
var messageContext = new MessageContext <AircraftLanded>(new BinaryData("Hello world!"), new object(),
new Mock <IMessageBus>().Object);
typeof(AircraftLandedHandler).GetMethod("HandleAsync").Invoke(handler, new object[] { messageContext });
}
public void Initialize()
{
_messageHandlers.Clear();
var resolvedHandlers = MessageHandlerResolver.Resolve();
AddHandlers(resolvedHandlers);
}
public void MessageHandlerResolverReturnsMessageHandlerInstanceForGivenMessageType()
{
var services = new ServiceCollection();
var sut = new MessageHandlerResolver(services);
sut.SubcribeToMessage <AircraftTakenOff, AircraftTakenOffHandler>(BuildSubscriptionFilter <AircraftTakenOff>());
sut.SubcribeToMessage <AircraftLanded, AircraftLandedHandler>(BuildSubscriptionFilter <AircraftLanded>());
sut.Initialize();
var handler = sut.Resolve(nameof(AircraftLanded));
Assert.NotNull(handler);
Assert.IsType <AircraftLandedHandler>(handler);
var messageContext = new MessageContext <AircraftLanded>(new BinaryData("Hello world!"), new object(),
new Mock <IMessageBus>().Object);
typeof(AircraftLandedHandler).GetMethod("HandleAsync").Invoke(handler, new object[] { messageContext });
}
public void MessageHandlerResolverThrowsIfCannotFindMessageHandler()
{
var sut = new MessageHandlerResolver(new ServiceCollection());
Assert.Throws <MessageHandlerNotFoundException>(() => sut.Resolve("UnknownMessage"));
}