public void AddMessageSubscriptionAddsAMessageSubscription()
{
var subscriptionFilter = new SubscriptionFilter
{
Label = nameof(AircraftLanded),
MessageProperties = new Dictionary <string, string>
{
{ "AircraftType", "Commercial" }
}
};
subscriptionFilter.Build(new(), typeof(AircraftLanded));
var sut = new MessageHandlerResolver(new ServiceCollection());
sut.SubcribeToMessage <AircraftTakenOff, AircraftTakenOffHandler>(BuildSubscriptionFilter <AircraftTakenOff>());
sut.SubcribeToMessage <AircraftLanded, AircraftLandedHandler>(subscriptionFilter);
var messageSubscriptions = sut.GetMessageHandlerMappings();
Assert.Equal(2, messageSubscriptions.Count());
Assert.Single(messageSubscriptions.Where(m => m.MessageHandlerType == typeof(AircraftLandedHandler)));
Assert.Single(messageSubscriptions.Where(m => m.MessageHandlerType == typeof(AircraftTakenOffHandler)));
Assert.Equal(subscriptionFilter.MessageProperties, messageSubscriptions.First(m =>
m.MessageHandlerType == typeof(AircraftLandedHandler)).SubscriptionFilter.MessageProperties);
}
public void AddMessageSubscriptionThrowsIfNullSubscriptionFilter()
{
var sut = new MessageHandlerResolver(new ServiceCollection());
sut.SubcribeToMessage <AircraftTakenOff, AircraftTakenOffHandler>(BuildSubscriptionFilter <AircraftTakenOff>());
Assert.Throws <ArgumentNullException>(() => sut.SubcribeToMessage <AircraftLanded, AircraftLandedHandler>(null));
}
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 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 });
}