public async Task SendAsyncWithDynamicVersionInfoOnlyMakesVersionCallOnce()
{
var versionRequests = 0;
var endpoint = TestConfig.ServerEndpoint();
using (var server = new TcpServer(endpoint.Ip.Port, TestConfig.Log))
using (var conn = new Connection(endpoint, new ConnectionConfiguration(requestTimeout: TimeSpan.FromSeconds(3), versionSupport: VersionSupport.Kafka8.Dynamic()), log: TestConfig.Log))
{
server.OnReceivedAsync = async data => {
var fullHeader = KafkaDecoder.DecodeFullHeader(data.Skip(Request.IntegerByteSize));
var context = fullHeader.Item1;
switch (fullHeader.Item2)
{
case ApiKey.ApiVersions:
Interlocked.Increment(ref versionRequests);
await server.SendDataAsync(KafkaDecoder.EncodeResponseBytes(context, new ApiVersionsResponse(ErrorCode.NONE, new[] { new ApiVersionsResponse.VersionSupport(ApiKey.Fetch, 3, 3) })));
break;
default:
await server.SendDataAsync(KafkaDecoder.EncodeResponseBytes(context, new FetchResponse()));
break;
}
};
for (var i = 0; i < 3; i++)
{
await conn.SendAsync(new FetchRequest(new FetchRequest.Topic("Foo", 0, 0)), CancellationToken.None);
}
Assert.That(versionRequests, Is.EqualTo(1));
}
}
