private static KafkaSubscriber <IMessage> BuildSUT(
QueueReferences queueRefs,
IConsumer <Guid, byte[]> consumer,
IKafkaMessageHandler messageHandler = null)
{
var config = new ConsumerConfig()
{
GroupId = "group id"
};
var builder = NSubstitute.Substitute.ForPartsOf <ConsumerBuilder <Guid, byte[]> >(config);
builder.When(b => b.Build()).DoNotCallBase();
builder.Build().Returns(consumer);
var builderFactory = NSubstitute.Substitute.For <IConsumerBuilderFactory>();
builderFactory.Create <IMessage, Guid, byte[]>().Returns(builder);
messageHandler ??= NSubstitute.Substitute.For <IKafkaMessageHandler>();
var queueReferenceFactory = NSubstitute.Substitute.For <IQueueReferenceFactory>();
queueReferenceFactory.Create <IMessage>().ReturnsForAnyArgs(queueRefs);
var logger = NSubstitute.Substitute.For <ILogger <KafkaSubscriber <IMessage> > >();
return(new KafkaSubscriber <IMessage>(builderFactory, queueReferenceFactory, messageHandler, logger));
}
public KafkaSubscriber(IConsumerBuilderFactory builderFactory,
IQueueReferenceFactory queueReferenceFactory,
IKafkaMessageHandler messageHandler,
ILogger <KafkaSubscriber <TM> > logger,
KafkaSubscriberConfig config = null)
{
if (builderFactory is null)
{
throw new ArgumentNullException(nameof(builderFactory));
}
if (queueReferenceFactory is null)
{
throw new ArgumentNullException(nameof(queueReferenceFactory));
}
var builder = builderFactory.Create <TM, Guid, byte[]>();
_consumer = builder.Build();
_queueReferences = queueReferenceFactory.Create <TM>();
_messageHandler = messageHandler ?? throw new ArgumentNullException(nameof(messageHandler));
_logger = logger ?? throw new ArgumentNullException(nameof(logger));
_config = config ?? KafkaSubscriberConfig.Default;
}