/// <summary>
/// Constructs a new instance of broker ingress Kafka driver.
/// </summary>
/// <param name="configuration">
/// The driver configuration.
/// </param>
/// <param name="consumerRegistry">
/// The consumer registry used to manage Kafka consumers.
/// </param>
/// <exception cref="ArgumentNullException">
/// One of parameters is not specified.
/// </exception>
/// <exception cref="ArgumentException">
/// One of required driver configuration fields is not specified.
/// </exception>
public BrokerIngressKafkaDriver(
[NotNull] BrokerIngressKafkaDriverConfiguration configuration,
[NotNull] IConsumerRegistry consumerRegistry)
{
_driverConfiguration = configuration ?? throw new ArgumentNullException(nameof(configuration));
_consumerRegistry = consumerRegistry ?? throw new ArgumentNullException(nameof(consumerRegistry));
const string message = "Ingress Kafka driver configuration missing ";
if (_driverConfiguration.ConsumerConfiguratorType == null)
{
throw new ArgumentException(message + "consumer configurator type.", nameof(configuration));
}
if (_driverConfiguration.ConsumerFactoryType == null)
{
throw new ArgumentException(message + "consumer factory type.", nameof(configuration));
}
if (_driverConfiguration.DeserializerFactoryType == null)
{
throw new ArgumentException(message + "deserializer factory type.", nameof(configuration));
}
if (_driverConfiguration.HeaderValueCodecType == null)
{
throw new ArgumentException(message + "header value codec type.", nameof(configuration));
}
}
public void when_consumer_configurator_set_it_should_be_set_in_configuration()
{
var configuration = new BrokerIngressKafkaDriverConfiguration();
var sut = new BrokerIngressKafkaDriverConfigurator(configuration);
sut.WithConsumerConfigurator <StabConsumerConfigurator>().Should().BeSameAs(sut);
configuration.ConsumerConfiguratorType.Should().Be <StabConsumerConfigurator>();
}
public void when_header_value_parser_set_it_should_be_set_in_configuration()
{
var configuration = new BrokerIngressKafkaDriverConfiguration();
var sut = new BrokerIngressKafkaDriverConfigurator(configuration);
sut.WithHeaderValueCodec <StabHeaderValueCodec>().Should().BeSameAs(sut);
configuration.HeaderValueCodecType.Should().Be <StabHeaderValueCodec>();
}
public void when_deserializer_factory_set_it_should_be_set_in_configuration()
{
var configuration = new BrokerIngressKafkaDriverConfiguration();
var sut = new BrokerIngressKafkaDriverConfigurator(configuration);
sut.WithDeserializerFactory <StabDeserializerFactory>().Should().BeSameAs(sut);
configuration.DeserializerFactoryType.Should().Be <StabDeserializerFactory>();
}
public void when_null_set_as_consumer_configuration_it_should_fail()
{
var configuration = new BrokerIngressKafkaDriverConfiguration();
var configurator = new BrokerIngressKafkaDriverConfigurator(configuration);
Action sut = () => configurator.WithConsumerConfig(consumerConfig: null);
sut.Should().ThrowExactly <ArgumentNullException>();
}
public void when_consumer_configuration_set_it_should_be_set_in_configuration()
{
var configuration = new BrokerIngressKafkaDriverConfiguration();
var sut = new BrokerIngressKafkaDriverConfigurator(configuration);
var expected = new ConsumerConfig();
sut.WithConsumerConfig(expected).Should().BeSameAs(sut);
configuration.ConsumerConfig.Should().BeSameAs(expected);
}
private static BrokerIngressKafkaDriverConfiguration MakeDriverConfiguration()
{
var configuration = new BrokerIngressKafkaDriverConfiguration
{
ConsumerConfig = new ConsumerConfig(),
ConsumerConfiguratorType = typeof(TestConsumerConfigurator),
ConsumerFactoryType = typeof(TestConsumerFactory),
DeserializerFactoryType = typeof(TestDeserializerFactory),
HeaderValueCodecType = typeof(TestHeaderValueCodec)
};
return(configuration);
}
public void when_constructed_with_invalid_arguments_it_should_fail()
{
BrokerIngressKafkaDriverConfiguration configuration = null;
var consumerRegistry = Mock.Of <IConsumerRegistry>();
// ReSharper disable once ObjectCreationAsStatement
Action sut = () => new BrokerIngressKafkaDriver(configuration, consumerRegistry);
sut.Should().ThrowExactly <ArgumentNullException>().Which.ParamName.Should()
.Be("configuration", "null is not valid configuration");
configuration = new BrokerIngressKafkaDriverConfiguration();
consumerRegistry = null;
sut.Should().ThrowExactly <ArgumentNullException>().Which.ParamName.Should()
.Be("consumerRegistry", "null is not valid consumer registry");
consumerRegistry = Mock.Of <IConsumerRegistry>();
configuration = new BrokerIngressKafkaDriverConfiguration
{
ConsumerConfiguratorType = typeof(object),
ConsumerFactoryType = typeof(object),
DeserializerFactoryType = typeof(object)
};
configuration.ConsumerConfiguratorType = null;
sut.Should().ThrowExactly <ArgumentException>().Which.ParamName.Should()
.Be("configuration", "null is not valid consumer configuration type");
configuration.ConsumerConfiguratorType = typeof(object);
configuration.ConsumerFactoryType = null;
sut.Should().ThrowExactly <ArgumentException>().Which.ParamName.Should()
.Be("configuration", "null is not valid consumer factory type");
configuration.ConsumerFactoryType = typeof(object);
configuration.DeserializerFactoryType = null;
sut.Should().ThrowExactly <ArgumentException>().Which.ParamName.Should()
.Be("configuration", "null is not valid deserializer factory type");
configuration.DeserializerFactoryType = typeof(object);
configuration.HeaderValueCodecType = null;
sut.Should().ThrowExactly <ArgumentException>().Which.ParamName.Should()
.Be("configuration", "null is not valid deserializer factory type");
}
