public async Task WithKafkaKey_MessageKeySet()
{
Host.ConfigureServices(
services => services
.AddLogging()
.AddSilverback()
.UseModel()
.WithConnectionToMessageBroker(
options => options.AddMockedKafka(
mockedKafkaOptions => mockedKafkaOptions.WithDefaultPartitionsCount(1)))
.AddKafkaEndpoints(
endpoints => endpoints
.Configure(
config =>
{
config.BootstrapServers = "PLAINTEXT://tests";
})
.AddOutbound <TestEventOne>(
endpoint => endpoint
.ProduceTo(DefaultTopicName)
.WithKafkaKey <TestEventOne>(envelope => envelope.Message?.Content)))
.AddIntegrationSpyAndSubscriber())
.Run();
var publisher = Host.ScopedServiceProvider.GetRequiredService <IEventPublisher>();
await publisher.PublishAsync(new TestEventOne { Content = "one" });
await publisher.PublishAsync(new TestEventOne { Content = "two" });
await publisher.PublishAsync(new TestEventOne { Content = "three" });
var messages = DefaultTopic.GetAllMessages();
messages.Should().HaveCount(3);
messages[0].Key.Should().BeEquivalentTo(Encoding.UTF8.GetBytes("one"));
messages[1].Key.Should().BeEquivalentTo(Encoding.UTF8.GetBytes("two"));
messages[2].Key.Should().BeEquivalentTo(Encoding.UTF8.GetBytes("three"));
}