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//! Send messages to a broker.
pub mod request;
pub mod response;
#[cfg(test)]
mod test {
use bytes::Bytes;
use nombytes::NomBytes;
use self::request::Attributes;
use super::*;
use crate::{
encode::ToByte,
error::KafkaCode,
prelude::Compression,
protocol::{self, fetch::response::parse_record_batch},
utils::{compress, uncompress},
};
#[test]
fn encode() {
let correlation_id = 2;
let client_id = "rust";
let topic_name = "purchases";
let partition_id = 3;
// let encoded_buf = [
// 0, 0, 0, 3, 0, 0, 0, 2, 0, 4, 114, 117, 115, 116, 255, 255, 0, 0, 0, 0, 3, 232, 0, 0,
// 0, 1, 0, 9, 112, 117, 114, 99, 104, 97, 115, 101, 115, 0, 0, 0, 2, 0, 0, 0, 3, 0, 0, 0,
// 181, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 169, 255, 255, 255, 255, 2, 189, 191, 202, 234,
// 0, 0, 0, 0, 0, 5, 0, 0, 1, 142, 16, 208, 185, 246, 0, 0, 1, 142, 16, 208, 185, 246,
// 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 0, 0, 0, 6, 38,
// 0, 0, 0, 12, 84, 101, 115, 116, 101, 114, 14, 86, 97, 108, 117, 101, 32, 49, 0, 38, 0,
// 0, 2, 12, 84, 101, 115, 116, 101, 114, 14, 86, 97, 108, 117, 101, 32, 50, 0, 38, 0, 0,
// 4, 12, 84, 101, 115, 116, 101, 114, 14, 86, 97, 108, 117, 101, 32, 49, 0, 38, 0, 0, 6,
// 12, 84, 101, 115, 116, 101, 114, 14, 86, 97, 108, 117, 101, 32, 51, 0, 38, 0, 0, 8, 12,
// 84, 101, 115, 116, 101, 114, 14, 86, 97, 108, 117, 101, 32, 51, 0, 38, 0, 0, 10, 12,
// 84, 101, 115, 116, 101, 114, 14, 86, 97, 108, 117, 101, 32, 51, 0, 0, 0, 0, 4, 0, 0, 1,
// 145, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1, 133, 255, 255, 255, 255, 2, 76, 6, 84, 254, 0, 0,
// 0, 0, 0, 16, 0, 0, 1, 142, 16, 208, 185, 246, 0, 0, 1, 142, 16, 208, 185, 246, 255,
// 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 0, 0, 0, 17, 38, 0, 0,
// 0, 12, 84, 101, 115, 116, 101, 114, 14, 86, 97, 108, 117, 101, 32, 51, 0, 38, 0, 0, 2,
// 12, 84, 101, 115, 116, 101, 114, 14, 86, 97, 108, 117, 101, 32, 51, 0, 38, 0, 0, 4, 12,
// 84, 101, 115, 116, 101, 114, 14, 86, 97, 108, 117, 101, 32, 51, 0, 38, 0, 0, 6, 12, 84,
// 101, 115, 116, 101, 114, 14, 86, 97, 108, 117, 101, 32, 51, 0, 38, 0, 0, 8, 12, 84,
// 101, 115, 116, 101, 114, 14, 86, 97, 108, 117, 101, 32, 51, 0, 38, 0, 0, 10, 12, 84,
// 101, 115, 116, 101, 114, 14, 86, 97, 108, 117, 101, 32, 51, 0, 38, 0, 0, 12, 12, 84,
// 101, 115, 116, 101, 114, 14, 86, 97, 108, 117, 101, 32, 51, 0, 38, 0, 0, 14, 12, 84,
// 101, 115, 116, 101, 114, 14, 86, 97, 108, 117, 101, 32, 51, 0, 38, 0, 0, 16, 12, 84,
// 101, 115, 116, 101, 114, 14, 86, 97, 108, 117, 101, 32, 51, 0, 38, 0, 0, 18, 12, 84,
// 101, 115, 116, 101, 114, 14, 86, 97, 108, 117, 101, 32, 51, 0, 38, 0, 0, 20, 12, 84,
// 101, 115, 116, 101, 114, 14, 86, 97, 108, 117, 101, 32, 51, 0, 38, 0, 0, 22, 12, 84,
// 101, 115, 116, 101, 114, 14, 86, 97, 108, 117, 101, 32, 51, 0, 38, 0, 0, 24, 12, 84,
// 101, 115, 116, 101, 114, 14, 86, 97, 108, 117, 101, 32, 51, 0, 38, 0, 0, 26, 12, 84,
// 101, 115, 116, 101, 114, 14, 86, 97, 108, 117, 101, 32, 51, 0, 38, 0, 0, 28, 12, 84,
// 101, 115, 116, 101, 114, 14, 86, 97, 108, 117, 101, 32, 51, 0, 38, 0, 0, 30, 12, 84,
// 101, 115, 116, 101, 114, 14, 86, 97, 108, 117, 101, 32, 51, 0, 38, 0, 0, 32, 12, 84,
// 101, 115, 116, 101, 114, 14, 86, 97, 108, 117, 101, 32, 51, 0,
// ];
let mut produce_req = request::ProduceRequest::new(
0,
1000,
correlation_id,
client_id,
request::Attributes::new(Some(Compression::Gzip)),
);
produce_req.add(
topic_name,
partition_id,
Some(Bytes::from_static(b"Tester")),
Some(Bytes::from_static(b"Value 1")),
vec![],
);
produce_req.add(
topic_name,
partition_id,
Some(Bytes::from_static(b"Tester")),
Some(Bytes::from_static(b"Value 2")),
vec![],
);
produce_req.add(
topic_name,
partition_id,
Some(Bytes::from_static(b"Tester")),
Some(Bytes::from_static(b"Value 1")),
vec![],
);
produce_req.add(
topic_name,
partition_id,
Some(Bytes::from_static(b"Tester")),
Some(Bytes::from_static(b"Value 3")),
vec![],
);
produce_req.add(
topic_name,
partition_id,
Some(Bytes::from_static(b"Tester")),
Some(Bytes::from_static(b"Value 3")),
vec![],
);
produce_req.add(
topic_name,
partition_id,
Some(Bytes::from_static(b"Tester")),
Some(Bytes::from_static(b"Value 3")),
vec![],
);
produce_req.add(
topic_name,
partition_id + 1,
Some(Bytes::from_static(b"Tester")),
Some(Bytes::from_static(b"Value 3")),
vec![],
);
produce_req.add(
topic_name,
partition_id + 1,
Some(Bytes::from_static(b"Tester")),
Some(Bytes::from_static(b"Value 3")),
vec![],
);
produce_req.add(
topic_name,
partition_id + 1,
Some(Bytes::from_static(b"Tester")),
Some(Bytes::from_static(b"Value 3")),
vec![],
);
produce_req.add(
topic_name,
partition_id + 1,
Some(Bytes::from_static(b"Tester")),
Some(Bytes::from_static(b"Value 3")),
vec![],
);
produce_req.add(
topic_name,
partition_id + 1,
Some(Bytes::from_static(b"Tester")),
Some(Bytes::from_static(b"Value 3")),
vec![],
);
produce_req.add(
topic_name,
partition_id + 1,
Some(Bytes::from_static(b"Tester")),
Some(Bytes::from_static(b"Value 3")),
vec![],
);
produce_req.add(
topic_name,
partition_id + 1,
Some(Bytes::from_static(b"Tester")),
Some(Bytes::from_static(b"Value 3")),
vec![],
);
produce_req.add(
topic_name,
partition_id + 1,
Some(Bytes::from_static(b"Tester")),
Some(Bytes::from_static(b"Value 3")),
vec![],
);
produce_req.add(
topic_name,
partition_id + 1,
Some(Bytes::from_static(b"Tester")),
Some(Bytes::from_static(b"Value 3")),
vec![],
);
produce_req.add(
topic_name,
partition_id + 1,
Some(Bytes::from_static(b"Tester")),
Some(Bytes::from_static(b"Value 3")),
vec![],
);
produce_req.add(
topic_name,
partition_id + 1,
Some(Bytes::from_static(b"Tester")),
Some(Bytes::from_static(b"Value 3")),
vec![],
);
produce_req.add(
topic_name,
partition_id + 1,
Some(Bytes::from_static(b"Tester")),
Some(Bytes::from_static(b"Value 3")),
vec![],
);
produce_req.add(
topic_name,
partition_id + 1,
Some(Bytes::from_static(b"Tester")),
Some(Bytes::from_static(b"Value 3")),
vec![],
);
produce_req.add(
topic_name,
partition_id + 1,
Some(Bytes::from_static(b"Tester")),
Some(Bytes::from_static(b"Value 3")),
vec![],
);
produce_req.add(
topic_name,
partition_id + 1,
Some(Bytes::from_static(b"Tester")),
Some(Bytes::from_static(b"Value 3")),
vec![],
);
produce_req.add(
topic_name,
partition_id + 1,
Some(Bytes::from_static(b"Tester")),
Some(Bytes::from_static(b"Value 3")),
vec![],
);
produce_req.add(
topic_name,
partition_id + 1,
Some(Bytes::from_static(b"Tester")),
Some(Bytes::from_static(b"Value 3")),
vec![],
);
let mut buffer = Vec::with_capacity(4);
produce_req.encode(&mut buffer).unwrap();
assert_eq!(buffer.len(), buffer.len());
// assert_eq!(buffer, encoded_buf);
}
#[test]
fn parse() {
let buf = b"\0\0\0\x01\0\0\0\x01\0\x06tester\0\0\0\x01\0\0\0\0\0\0\0\0\0\0\0\0\0\x02\xff\xff\xff\xff\xff\xff\xff\xff\0\0\0\0";
let res = response::ProduceResponse {
header: protocol::HeaderResponse { correlation_id: 1 },
responses: vec![response::Response {
name: bytes::Bytes::from_static(b"tester"),
partition_responses: vec![response::PartitionResponse {
index: 0,
error_code: KafkaCode::None,
base_offset: 2,
log_append_time: -1,
}],
}],
};
let (_, parsed) =
response::parse_produce_fetch_response(NomBytes::from(buf.as_slice())).unwrap();
assert_eq!(parsed, res);
}
#[test]
fn it_compresses_a_record_correctly() {
let record = request::Record::new(
request::Message {
key: Some(Bytes::from("key")),
value: Some(Bytes::from("value")),
headers: vec![],
},
100,
100,
);
let mut buf = Vec::with_capacity(10);
record.encode(&mut buf).unwrap();
let compressed = compress(&buf).unwrap();
let uncompressed = uncompress(Bytes::from(compressed).as_ref()).unwrap();
assert_eq!(buf, uncompressed);
}
#[test]
fn it_compresses_many_records_correctly() {
let mut record_batch = request::RecordBatch::new(Attributes::new(Some(Compression::Gzip)));
record_batch.add(request::Message {
key: Some(Bytes::from("key")),
value: Some(Bytes::from("1")),
headers: vec![],
});
record_batch.add(request::Message {
key: Some(Bytes::from("key")),
value: Some(Bytes::from("2")),
headers: vec![],
});
record_batch.add(request::Message {
key: Some(Bytes::from("key")),
value: Some(Bytes::from("3")),
headers: vec![],
});
let mut buf = Vec::with_capacity(10);
record_batch._encode_to_buf(&mut buf).unwrap();
let (_, unparsed_batch) =
parse_record_batch(nombytes::NomBytes::new(Bytes::from(buf))).unwrap();
assert_eq!(unparsed_batch.records.len(), 3);
}
}