public async Task WithMessageRouting_WithMessageHandlerContextFilter_GoesThroughRegisteredMessageHandlers()
{
// Arrange
var services = new ServiceCollection();
var collection = new MessageHandlerCollection(services);
var spyHandler = new StubTestMessageHandler <TestMessage, TestMessageContext>();
var ignoredSameTypeHandler = new StubTestMessageHandler <TestMessage, TestMessageContext>();
var ignoredDefaultHandler = new DefaultTestMessageHandler();
var ignoredHandler = new TestMessageHandler();
collection.WithMessageHandler <DefaultTestMessageHandler, TestMessage>(serviceProvider => ignoredDefaultHandler)
.WithMessageHandler <StubTestMessageHandler <TestMessage, TestMessageContext>, TestMessage, TestMessageContext>(
messageContextFilter: ctx => false, implementationFactory: serviceProvider => ignoredSameTypeHandler)
.WithMessageHandler <StubTestMessageHandler <TestMessage, TestMessageContext>, TestMessage, TestMessageContext>(serviceProvider => spyHandler)
.WithMessageHandler <TestMessageHandler, TestMessage, TestMessageContext>(serviceProvider => ignoredHandler);
// Act
services.AddMessageRouting();
// Assert
IServiceProvider provider = services.BuildServiceProvider();
var router = provider.GetRequiredService <IMessageRouter>();
var correlationInfo = new MessageCorrelationInfo("operation-id", "transaction-id");
var context = TestMessageContext.Generate();
string json = JsonConvert.SerializeObject(new TestMessage());
await router.RouteMessageAsync(json, context, correlationInfo, CancellationToken.None);
Assert.True(spyHandler.IsProcessed);
Assert.False(ignoredSameTypeHandler.IsProcessed);
Assert.False(ignoredDefaultHandler.IsProcessed);
Assert.False(ignoredHandler.IsProcessed);
}
public async Task CustomMessageHandler_WithContextFilter_UsesMessageTypeDuringSelection()
{
// Arrange
var spyHandler = new StubTestMessageHandler <Purchase, MessageContext>();
var collection = new MessageHandlerCollection(new ServiceCollection());
collection.WithMessageHandler <StubTestMessageHandler <Order, MessageContext>, Order>();
collection.WithMessageHandler <StubTestMessageHandler <Purchase, TestMessageContext>, Purchase, TestMessageContext>();
collection.WithMessageHandler <StubTestMessageHandler <Purchase, MessageContext>, Purchase>(provider => spyHandler);
IServiceProvider serviceProvider = collection.Services.BuildServiceProvider();
var router = new TestMessageRouter(serviceProvider, _logger);
var purchase = new Purchase
{
CustomerName = _bogusGenerator.Name.FullName(),
Price = _bogusGenerator.Commerce.Price()
};
string purchaseJson = JsonConvert.SerializeObject(purchase);
var context = new MessageContext("message-id", new Dictionary <string, object>());
var correlationInfo = new MessageCorrelationInfo("operation-id", "transaction-id");
// Act
await router.RouteMessageAsync(purchaseJson, context, correlationInfo, CancellationToken.None);
// Assert
Assert.True(spyHandler.IsProcessed);
}
