github.com/streamdal/segmentio-kafka-go@v0.4.47-streamdal/batch_test.go (about)

     1  package kafka
     2  
     3  import (
     4  	"context"
     5  	"errors"
     6  	"io"
     7  	"net"
     8  	"strconv"
     9  	"testing"
    10  )
    11  
    12  func TestBatchDontExpectEOF(t *testing.T) {
    13  	topic := makeTopic()
    14  
    15  	broker, err := (&Dialer{
    16  		Resolver: &net.Resolver{},
    17  	}).LookupLeader(context.Background(), "tcp", "localhost:9092", topic, 0)
    18  	if err != nil {
    19  		t.Fatal("failed to open a new kafka connection:", err)
    20  	}
    21  
    22  	nc, err := net.Dial("tcp", net.JoinHostPort(broker.Host, strconv.Itoa(broker.Port)))
    23  	if err != nil {
    24  		t.Fatalf("cannot connect to partition leader at %s:%d: %s", broker.Host, broker.Port, err)
    25  	}
    26  
    27  	conn := NewConn(nc, topic, 0)
    28  	defer conn.Close()
    29  
    30  	nc.(*net.TCPConn).CloseRead()
    31  
    32  	batch := conn.ReadBatch(1024, 8192)
    33  
    34  	if _, err := batch.ReadMessage(); !errors.Is(err, io.ErrUnexpectedEOF) {
    35  		t.Error("bad error when reading message:", err)
    36  	}
    37  
    38  	if err := batch.Close(); !errors.Is(err, io.ErrUnexpectedEOF) {
    39  		t.Error("bad error when closing the batch:", err)
    40  	}
    41  }