public void IsSerializable()
{
var endpoint1 = new KafkaConsumerEndpoint("endpoint")
{
Configuration = new KafkaConsumerConfig
{
CommitOffsetEach = 5,
AutoCommitIntervalMs = 1000
}
};
var json = JsonConvert.SerializeObject(endpoint1,
new JsonSerializerSettings {
TypeNameHandling = TypeNameHandling.Auto
});
var endpoint2 = JsonConvert.DeserializeObject <KafkaConsumerEndpoint>(json,
new JsonSerializerSettings {
TypeNameHandling = TypeNameHandling.Auto
});
endpoint2.Should().NotBeNull();
endpoint2.Configuration.AutoCommitIntervalMs.Should().Be(endpoint1.Configuration.AutoCommitIntervalMs);
endpoint2.Configuration.CommitOffsetEach.Should().Be(endpoint1.Configuration.CommitOffsetEach);
}
public void Constructor_MultipleTopics_TopicsSet()
{
var endpoint = new KafkaConsumerEndpoint("topic1", "topic2");
endpoint.Name.Should().Be("[topic1,topic2]");
endpoint.Names.Should().BeEquivalentTo("topic1", "topic2");
endpoint.TopicPartitions.Should().BeNull();
}
public void Constructor_SingleTopic_TopicSet()
{
var endpoint = new KafkaConsumerEndpoint("topic");
endpoint.Name.Should().Be("topic");
endpoint.Names.Should().BeEquivalentTo("topic");
endpoint.TopicPartitions.Should().BeNull();
}
public void Constructor_SingleTopicPartition_TopicsSet()
{
var endpoint = new KafkaConsumerEndpoint(new TopicPartition("topic", 2));
endpoint.Name.Should().Be("topic");
endpoint.Names.Should().BeEquivalentTo("topic");
endpoint.TopicPartitions.Should().BeEquivalentTo(
new[] { new TopicPartitionOffset("topic", 2, Offset.Unset) });
}
public void GetConsumer_ReturnsNewInMemoryConsumer()
{
var endpoint = new KafkaConsumerEndpoint("test");
var consumer = _serviceProvider.GetRequiredService <IBroker>().GetConsumer(endpoint);
consumer.Should().NotBeNull();
consumer.Should().BeOfType <InMemoryConsumer>();
}
public void Validate_InvalidConfiguration_ExceptionThrown()
{
var endpoint = new KafkaConsumerEndpoint("topic")
{
Configuration = new KafkaConsumerConfig()
};
Action act = () => endpoint.Validate();
act.Should().ThrowExactly <EndpointConfigurationException>();
}
public void Equals_SameEndpointInstance_TrueIsReturned()
{
var endpoint = new KafkaConsumerEndpoint("topic")
{
Configuration =
{
AutoCommitIntervalMs = 1000
}
};
endpoint.Equals(endpoint).Should().BeTrue();
}
public void Equals_SameEndpointInstance_IsTrue()
{
var endpoint = new KafkaConsumerEndpoint("endpoint")
{
Configuration = new KafkaConsumerConfig
{
AutoCommitIntervalMs = 1000
}
};
endpoint.Equals(endpoint).Should().BeTrue();
}
public void Constructor_SingleTopicAndPartitionResolver_TopicsAndResolverSet()
{
var endpoint = new KafkaConsumerEndpoint(
"topic1",
partitions => partitions);
endpoint.Name.Should().Be("topic1");
endpoint.Names.Should().BeEquivalentTo("topic1");
endpoint.TopicPartitions.Should().BeNull();
endpoint.TopicPartitionsResolver.Should().NotBeNull();
endpoint.TopicPartitionsResolver.Should()
.BeOfType <Func <IReadOnlyCollection <TopicPartition>, IEnumerable <TopicPartitionOffset> > >();
}
public void Validate_MissingTopic_ExceptionThrown()
{
var endpoint = new KafkaConsumerEndpoint(Array.Empty <string>())
{
Configuration = new KafkaConsumerConfig
{
BootstrapServers = "test-server"
}
};
Action act = () => endpoint.Validate();
act.Should().ThrowExactly <EndpointConfigurationException>();
}
public void Constructor_MultipleTopicsAndPartitionResolverWithOffsets_TopicsAndResolverSet()
{
Func <IReadOnlyCollection <TopicPartition>, IEnumerable <TopicPartitionOffset> > resolver =
partitions => partitions.Select(
partition => new TopicPartitionOffset(partition, Offset.Beginning));
var endpoint = new KafkaConsumerEndpoint(
new[] { "topic1", "topic2" },
resolver);
endpoint.Name.Should().Be("[topic1,topic2]");
endpoint.Names.Should().BeEquivalentTo("topic1", "topic2");
endpoint.TopicPartitions.Should().BeNull();
endpoint.TopicPartitionsResolver.Should().Be(resolver);
}
public void Constructor_MultipleTopicPartitions_TopicsSet()
{
var endpoint = new KafkaConsumerEndpoint(
new TopicPartition("topic1", 0),
new TopicPartition("topic1", 1),
new TopicPartition("topic2", 2),
new TopicPartition("topic2", 3));
endpoint.Name.Should().Be("[topic1[0],topic1[1],topic2[2],topic2[3]]");
endpoint.Names.Should().BeEquivalentTo("topic1[0]", "topic1[1]", "topic2[2]", "topic2[3]");
endpoint.TopicPartitions.Should().BeEquivalentTo(
new TopicPartitionOffset("topic1", 0, Offset.Unset),
new TopicPartitionOffset("topic1", 1, Offset.Unset),
new TopicPartitionOffset("topic2", 2, Offset.Unset),
new TopicPartitionOffset("topic2", 3, Offset.Unset));
}
public void Constructor_TopicPartitionOffsets_TopicsSet()
{
var endpoint = new KafkaConsumerEndpoint(
new TopicPartitionOffset("topic1", 0, Offset.Beginning),
new TopicPartitionOffset("topic1", 1, Offset.End),
new TopicPartitionOffset("topic2", 2, 42),
new TopicPartitionOffset("topic2", 3, Offset.Unset));
endpoint.Name.Should().Be("[topic1,topic2]");
endpoint.Names.Should().BeEquivalentTo("topic1", "topic2");
endpoint.TopicPartitions.Should().BeEquivalentTo(
new TopicPartitionOffset("topic1", 0, Offset.Beginning),
new TopicPartitionOffset("topic1", 1, Offset.End),
new TopicPartitionOffset("topic2", 2, 42),
new TopicPartitionOffset("topic2", 3, Offset.Unset));
}
private static KafkaConsumerEndpoint CreateConsumerEndpoint(string[] names, IMessageSerializer messageSerializer)
{
var endpoint = new KafkaConsumerEndpoint(names)
{
Configuration = new KafkaConsumerConfig
{
BootstrapServers = "PLAINTEXT://localhost:9092",
GroupId = "silverback-examples"
}
};
if (messageSerializer != null)
{
endpoint.Serializer = messageSerializer;
}
return(endpoint);
}
private static KafkaConsumerEndpoint CreateConsumerEndpoint(string name, IMessageSerializer messageSerializer = null)
{
var endpoint = new KafkaConsumerEndpoint(name)
{
Configuration = new KafkaConsumerConfig
{
BootstrapServers = "PLAINTEXT://kafka:9092",
ClientId = "consumer-service-a",
GroupId = "silverback-examples"
}
};
if (messageSerializer != null)
{
endpoint.Serializer = messageSerializer;
}
return(endpoint);
}
public void Equals_DifferentConfiguration_IsFalse()
{
var endpoint1 = new KafkaConsumerEndpoint("endpoint")
{
Configuration = new KafkaConsumerConfig
{
AutoCommitIntervalMs = 1000
}
};
var endpoint2 = new KafkaConsumerEndpoint("endpoint")
{
Configuration = new KafkaConsumerConfig
{
BrokerAddressTtl = 2000
}
};
endpoint1.Equals(endpoint2).Should().BeFalse();
}
public void Equals_SameConfiguration_IsTrue()
{
var endpoint1 = new KafkaConsumerEndpoint("endpoint")
{
Configuration = new KafkaConsumerConfig
{
AutoCommitIntervalMs = 1000
}
};
var endpoint2 = new KafkaConsumerEndpoint("endpoint")
{
Configuration = new KafkaConsumerConfig
{
AutoCommitIntervalMs = 1000
}
};
endpoint1.Equals(endpoint2).Should().BeTrue();
}
public void Equals_DifferentTopic_FalseIsReturned()
{
var endpoint1 = new KafkaConsumerEndpoint("topic")
{
Configuration =
{
AutoCommitIntervalMs = 1000
}
};
var endpoint2 = new KafkaConsumerEndpoint("topic2")
{
Configuration =
{
AutoCommitIntervalMs = 1000
}
};
endpoint1.Equals(endpoint2).Should().BeFalse();
}
public void Subscribe(KafkaConsumerEndpoint endpoint)
{
_endpoints.Add(endpoint);
}
public void Subscribe(KafkaConsumerEndpoint endpoint)
{
_endpoints.Add(endpoint);
_innerConsumer.Subscribe(_endpoints.Select(e => e.Name));
}
