public void GetBytesValidFormat()
{
string topicName = "topic";
ProducerRequest request = new ProducerRequest(
topicName, 0, new List<Message> { new Message(new byte[10]) });
// format = len(request) + requesttype + len(topic) + topic + partition + len(messagepack) + message
// total byte count = 4 + (2 + 2 + 5 + 4 + 4 + 19)
byte[] bytes = request.GetBytes();
Assert.IsNotNull(bytes);
Assert.AreEqual(40, bytes.Length);
// first 4 bytes = the length of the request
Assert.AreEqual(36, BitConverter.ToInt32(BitWorks.ReverseBytes(bytes.Take(4).ToArray<byte>()), 0));
// next 2 bytes = the RequestType which in this case should be Produce
Assert.AreEqual((short)RequestType.Produce, BitConverter.ToInt16(BitWorks.ReverseBytes(bytes.Skip(4).Take(2).ToArray<byte>()), 0));
// next 2 bytes = the length of the topic
Assert.AreEqual((short)5, BitConverter.ToInt16(BitWorks.ReverseBytes(bytes.Skip(6).Take(2).ToArray<byte>()), 0));
// next 5 bytes = the topic
Assert.AreEqual(topicName, Encoding.ASCII.GetString(bytes.Skip(8).Take(5).ToArray<byte>()));
// next 4 bytes = the partition
Assert.AreEqual(0, BitConverter.ToInt32(BitWorks.ReverseBytes(bytes.Skip(13).Take(4).ToArray<byte>()), 0));
// next 4 bytes = the length of the individual messages in the pack
Assert.AreEqual(19, BitConverter.ToInt32(BitWorks.ReverseBytes(bytes.Skip(17).Take(4).ToArray<byte>()), 0));
// fianl bytes = the individual messages in the pack
Assert.AreEqual(19, bytes.Skip(21).ToArray<byte>().Length);
}