public async Task TestConsumer_ConsumerGroupCommitAsync()
{
var mocks = InitCluster();
mocks.Group.SetupGet(g => g.Configuration)
.Returns(new ConsumerGroupConfiguration {
AutoCommitEveryMs = -1, SessionTimeoutMs = 10
});
var consumer = new ConsumeRouter(mocks.Cluster.Object,
new Configuration {
TaskScheduler = new CurrentThreadTaskScheduler(), ConsumeBatchSize = 1
}, 1);
consumer.StartConsumeSubscription(mocks.Group.Object, new[] { "the topic" });
await consumer.CommitAsync("the topic", 1, 42);
mocks.Group.Verify(g => g.Commit(It.Is <IEnumerable <TopicData <OffsetCommitPartitionData> > >(l =>
l.Count() == 1 && l.First().TopicName == "the topic" &&
l.First().PartitionsData.Count() == 1 &&
l.First().PartitionsData.First().Partition == 1 &&
l.First().PartitionsData.First().Metadata == "" &&
l.First().PartitionsData.First().Offset == 42)), // Offset saved should be next expected offset
Times.Once);
mocks.Group.Setup(g => g.Commit(It.IsAny <IEnumerable <TopicData <OffsetCommitPartitionData> > >()))
.ThrowsAsync(new InvalidOperationException());
// NUnit 3 (used for .Net Core build) requires to use ThrowsAsync which doesn't exist in 2.6
Assert.Throws <InvalidOperationException>(consumer.CommitAsync("the topic", 1, 42).GetAwaiter().GetResult);
}
