public void ReadShouldNotLoseDataFromStreamOverMultipleReads()
{
var endpoint = Endpoint.Resolve(TestConfig.ServerUri(), TestConfig.InfoLog);
using (var server = new FakeTcpServer(TestConfig.InfoLog, endpoint.IP.Port))
using (var test = new TcpSocket(endpoint, log: TestConfig.InfoLog))
{
const int firstMessage = 99;
const string secondMessage = "testmessage";
var bytes = Encoding.UTF8.GetBytes(secondMessage);
var payload = new KafkaWriter()
.Write(firstMessage)
.Write(bytes, false);
//send the combined payload
var send = server.SendDataAsync(payload.ToBytesNoLength());
var firstResponse = test.ReadAsync(4, CancellationToken.None).Result.ToInt32();
Assert.That(firstResponse, Is.EqualTo(firstMessage));
var secondResponse = Encoding.ASCII.GetString(test.ReadAsync(secondMessage.Length, CancellationToken.None).Result);
Assert.That(secondResponse, Is.EqualTo(secondMessage));
}
}
public void DecodeMessageShouldThrowWhenCrcFails()
{
var testMessage = new Message(value: "kafka test message.", key: "test");
using (var writer = new KafkaWriter()) {
writer.Write(testMessage, false);
var encoded = writer.ToBytesNoLength();
encoded[0] += 1;
using (var reader = new BigEndianBinaryReader(encoded)) {
Assert.Throws <CrcValidationException>(() => reader.ReadMessage(encoded.Length, 0).First());
}
}
}
public void EnsureMessageEncodeAndDecodeAreCompatible(string key, string value)
{
var testMessage = new Message(key: key, value: value);
using (var writer = new KafkaWriter()) {
writer.Write(testMessage, false);
var encoded = writer.ToBytesNoLength();
using (var reader = new BigEndianBinaryReader(encoded)) {
var result = reader.ReadMessage(encoded.Length, 0).First();
Assert.That(testMessage.Key, Is.EqualTo(result.Key));
Assert.That(testMessage.Value, Is.EqualTo(result.Value));
}
}
}
public void EncodeMessageSetEncodesMultipleMessages()
{
//expected generated from python library
var expected = new byte[]
{
0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 16, 45, 70, 24, 62, 0, 0, 0, 0, 0, 1, 49, 0, 0, 0, 1, 48, 0, 0, 0,
0, 0, 0, 0, 0, 0, 0, 0, 16, 90, 65, 40, 168, 0, 0, 0, 0, 0, 1, 49, 0, 0, 0, 1, 49, 0, 0, 0, 0, 0, 0,
0, 0, 0, 0, 0, 16, 195, 72, 121, 18, 0, 0, 0, 0, 0, 1, 49, 0, 0, 0, 1, 50
};
var messages = new[]
{
new Message("0", "1"),
new Message("1", "1"),
new Message("2", "1")
};
using (var writer = new KafkaWriter()) {
writer.Write(messages, false);
var result = writer.ToBytesNoLength();
Assert.That(expected, Is.EqualTo(result));
}
}
