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|
package kafka
import (
"bufio"
"bytes"
"reflect"
"testing"
)
func TestSaramaCompatibility(t *testing.T) {
var (
// sample data from github.com/Shopify/sarama
//
// See consumer_group_members_test.go
//
groupMemberMetadata = []byte{
0, 1, // Version
0, 0, 0, 2, // Topic array length
0, 3, 'o', 'n', 'e', // Topic one
0, 3, 't', 'w', 'o', // Topic two
0, 0, 0, 3, 0x01, 0x02, 0x03, // Userdata
}
groupMemberAssignment = []byte{
0, 1, // Version
0, 0, 0, 1, // Topic array length
0, 3, 'o', 'n', 'e', // Topic one
0, 0, 0, 3, // Topic one, partition array length
0, 0, 0, 0, 0, 0, 0, 2, 0, 0, 0, 4, // 0, 2, 4
0, 0, 0, 3, 0x01, 0x02, 0x03, // Userdata
}
)
t.Run("verify metadata", func(t *testing.T) {
var item groupMetadata
remain, err := (&item).readFrom(bufio.NewReader(bytes.NewReader(groupMemberMetadata)), len(groupMemberMetadata))
if err != nil {
t.Fatalf("bad err: %v", err)
}
if remain != 0 {
t.Fatalf("expected 0; got %v", remain)
}
if v := item.Version; v != 1 {
t.Errorf("expected Version 1; got %v", v)
}
if v := item.Topics; !reflect.DeepEqual([]string{"one", "two"}, v) {
t.Errorf(`expected {"one", "two"}; got %v`, v)
}
if v := item.UserData; !reflect.DeepEqual([]byte{0x01, 0x02, 0x03}, v) {
t.Errorf("expected []byte{0x01, 0x02, 0x03}; got %v", v)
}
})
t.Run("verify assignments", func(t *testing.T) {
var item groupAssignment
remain, err := (&item).readFrom(bufio.NewReader(bytes.NewReader(groupMemberAssignment)), len(groupMemberAssignment))
if err != nil {
t.Fatalf("bad err: %v", err)
}
if remain != 0 {
t.Fatalf("expected 0; got %v", remain)
}
if v := item.Version; v != 1 {
t.Errorf("expected Version 1; got %v", v)
}
if v := item.Topics; !reflect.DeepEqual(map[string][]int32{"one": {0, 2, 4}}, v) {
t.Errorf(`expected map[string][]int32{"one": {0, 2, 4}}; got %v`, v)
}
if v := item.UserData; !reflect.DeepEqual([]byte{0x01, 0x02, 0x03}, v) {
t.Errorf("expected []byte{0x01, 0x02, 0x03}; got %v", v)
}
})
}
func TestMemberMetadata(t *testing.T) {
item := groupMetadata{
Version: 1,
Topics: []string{"a", "b"},
UserData: []byte(`blah`),
}
buf := bytes.NewBuffer(nil)
w := bufio.NewWriter(buf)
item.writeTo(w)
w.Flush()
var found groupMetadata
remain, err := (&found).readFrom(bufio.NewReader(buf), buf.Len())
if err != nil {
t.Error(err)
t.FailNow()
}
if remain != 0 {
t.Errorf("expected 0 remain, got %v", remain)
t.FailNow()
}
if !reflect.DeepEqual(item, found) {
t.Error("expected item and found to be the same")
t.FailNow()
}
}
func TestJoinGroupResponseV1(t *testing.T) {
item := joinGroupResponseV1{
ErrorCode: 2,
GenerationID: 3,
GroupProtocol: "a",
LeaderID: "b",
MemberID: "c",
Members: []joinGroupResponseMemberV1{
{
MemberID: "d",
MemberMetadata: []byte("blah"),
},
},
}
buf := bytes.NewBuffer(nil)
w := bufio.NewWriter(buf)
item.writeTo(w)
w.Flush()
var found joinGroupResponseV1
remain, err := (&found).readFrom(bufio.NewReader(buf), buf.Len())
if err != nil {
t.Error(err)
t.FailNow()
}
if remain != 0 {
t.Errorf("expected 0 remain, got %v", remain)
t.FailNow()
}
if !reflect.DeepEqual(item, found) {
t.Error("expected item and found to be the same")
t.FailNow()
}
}
|
