public void TryGetMessage_NullOptions_ThrowsArgumentNull()
{
var consumer = Substitute.For <IKafkaConsumer>();
var sut = new KafkaBlockingRawMessageReader(consumer);
Assert.Throws <ArgumentNullException>(() => sut.TryGetMessage(out var _, null));
}
public void Dispose_DisposesKafkaConsumer()
{
var consumer = Substitute.For <IKafkaConsumer>();
var sut = new KafkaBlockingRawMessageReader(consumer);
sut.Dispose();
consumer.Received(1).Dispose();
}
public void TryGetMessage_ReturnsConsumerMessage(byte[] expectedMessage, string topic)
{
// Arrange
var options = new KafkaOptions();
var consumer = Substitute.For <IKafkaConsumer>();
consumer.Consume(out _, Arg.Any <TimeSpan>())
.Returns(r => {
r[0] = new Message <Null, byte[]>(topic, 0, 0, null, expectedMessage, new Timestamp(), null);
return(true);
});
// Act
var sut = new KafkaBlockingRawMessageReader(consumer);
var read = sut.TryGetMessage(out var actualMessage, options);
// Assert
Assert.True(read);
Assert.Equal(expectedMessage, actualMessage);
}
public void TryGetMessage_ConsumerReturnsFalse_ReaderReturnsFalse()
{
// Arrange
var options = new KafkaOptions();
var consumer = Substitute.For <IKafkaConsumer>();
consumer.Consume(out _, Arg.Any <TimeSpan>())
.Returns(r => {
r[0] = null;
return(false);
});
// Act
var sut = new KafkaBlockingRawMessageReader(consumer);
var read = sut.TryGetMessage(out var readMessage, options);
// Assert
Assert.False(read);
Assert.Null(readMessage);
}
