public void when_start_consume_messages_but_not_initialized_it_should_fail()
{
var driver = new BrokerIngressKafkaDriver(MakeDriverConfiguration(), Mock.Of <IConsumerRegistry>());
Action sut = () => driver.StartConsumeMessages(new[] { "topic-1", "topic-2" }, CancellationToken.None);
sut.Should().ThrowExactly <PoezdOperationException>().Where(exception => exception.Message.Contains("initialized"));
}
public void when_start_consume_messages_with_invalid_arguments_it_should_fail()
{
var driver = new BrokerIngressKafkaDriver(MakeDriverConfiguration(), Mock.Of <IConsumerRegistry>());
driver.Initialize(
Mock.Of <IBrokerIngress>(),
new[] { MakeApi <int, byte[]>(), MakeApi <int, string>() },
MakeServiceProviderMock().Object);
Action sut = () => driver.StartConsumeMessages(queueNamePatterns: null, CancellationToken.None);
sut.Should().ThrowExactly <ArgumentNullException>().Where(exception => exception.ParamName.Equals("queueNamePatterns"));
}
public async Task when_start_consume_messages_it_should_consume_messages()
{
var consumerRegistryMock = new Mock <IConsumerRegistry>();
var apiConsumerMock = new Mock <IApiConsumer <int, byte[]> >();
var headers = new Headers {
{ "header1", new byte[0] }
};
apiConsumerMock
.Setup(consumer => consumer.Start(It.IsAny <Func <ConsumeResult <int, byte[]>, Task> >(), It.IsAny <CancellationToken>()))
.Callback(
(Func <ConsumeResult <int, byte[]>, Task> onMessageReceivedFunc, CancellationToken cancellationToken) =>
{
onMessageReceivedFunc(
new ConsumeResult <int, byte[]>
{
Topic = "topic1",
Message = new Message <int, byte[]> {
Headers = headers, Key = 555, Timestamp = Timestamp.Default, Value = new byte[0]
}
});
})
.Returns(() => Task.CompletedTask);
consumerRegistryMock
.Setup(registry => registry.Get <int, byte[]>(It.IsAny <IIngressApi>()))
.Returns(() => apiConsumerMock.Object);
var sut = new BrokerIngressKafkaDriver(MakeDriverConfiguration(), consumerRegistryMock.Object);
var consumed = 0;
var ingressMock = new Mock <IBrokerIngress>();
ingressMock
.Setup(
ingress => ingress.RouteIngressMessage(
It.IsAny <string>(),
It.IsAny <DateTimeOffset>(),
It.IsAny <int>(),
It.IsAny <byte[]>(),
It.IsAny <IReadOnlyDictionary <string, string> >()))
.Callback(() => consumed++);
sut.Initialize(
ingressMock.Object,
new[] { MakeApi <int, byte[]>() },
MakeServiceProviderMock().Object);
await sut.StartConsumeMessages(new[] { "topic1" }, CancellationToken.None);
consumed.Should().Be(expected: 1, "a message should be consumed");
}