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|
package kafka
import (
"bufio"
"bytes"
"context"
"reflect"
"testing"
"time"
ktesting "github.com/segmentio/kafka-go/testing"
)
func TestOffsetFetchResponseV1(t *testing.T) {
item := offsetFetchResponseV1{
Responses: []offsetFetchResponseV1Response{
{
Topic: "a",
PartitionResponses: []offsetFetchResponseV1PartitionResponse{
{
Partition: 2,
Offset: 3,
Metadata: "b",
ErrorCode: 4,
},
},
},
},
}
b := bytes.NewBuffer(nil)
w := &writeBuffer{w: b}
item.writeTo(w)
var found offsetFetchResponseV1
remain, err := (&found).readFrom(bufio.NewReader(b), b.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 TestOffsetFetchRequestWithNoTopic(t *testing.T) {
if !ktesting.KafkaIsAtLeast("0.10.2.0") {
t.Logf("Test %s is not applicable for kafka versions below 0.10.2.0", t.Name())
t.SkipNow()
}
ctx, cancel := context.WithTimeout(context.Background(), 30*time.Second)
topic1 := makeTopic()
defer deleteTopic(t, topic1)
topic2 := makeTopic()
defer deleteTopic(t, topic2)
consumeGroup := makeGroupID()
numMsgs := 50
defer cancel()
r1 := NewReader(ReaderConfig{
Brokers: []string{"localhost:9092"},
Topic: topic1,
GroupID: consumeGroup,
MinBytes: 1,
MaxBytes: 100,
MaxWait: 100 * time.Millisecond,
})
defer r1.Close()
prepareReader(t, ctx, r1, makeTestSequence(numMsgs)...)
r2 := NewReader(ReaderConfig{
Brokers: []string{"localhost:9092"},
Topic: topic2,
GroupID: consumeGroup,
MinBytes: 1,
MaxBytes: 100,
MaxWait: 100 * time.Millisecond,
})
defer r2.Close()
prepareReader(t, ctx, r2, makeTestSequence(numMsgs)...)
for i := 0; i < numMsgs; i++ {
if _, err := r1.ReadMessage(ctx); err != nil {
t.Fatal(err)
}
}
for i := 0; i < numMsgs; i++ {
if _, err := r2.ReadMessage(ctx); err != nil {
t.Fatal(err)
}
}
client := Client{Addr: TCP("localhost:9092")}
topicOffsets, err := client.OffsetFetch(ctx, &OffsetFetchRequest{GroupID: consumeGroup})
if err != nil {
t.Error(err)
t.FailNow()
}
if len(topicOffsets.Topics) != 2 {
t.Error(err)
t.FailNow()
}
}
func TestOffsetFetchRequestWithOneTopic(t *testing.T) {
ctx, cancel := context.WithTimeout(context.Background(), 30*time.Second)
topic1 := makeTopic()
defer deleteTopic(t, topic1)
topic2 := makeTopic()
defer deleteTopic(t, topic2)
consumeGroup := makeGroupID()
numMsgs := 50
defer cancel()
r1 := NewReader(ReaderConfig{
Brokers: []string{"localhost:9092"},
Topic: topic1,
GroupID: consumeGroup,
MinBytes: 1,
MaxBytes: 100,
MaxWait: 100 * time.Millisecond,
})
defer r1.Close()
prepareReader(t, ctx, r1, makeTestSequence(numMsgs)...)
r2 := NewReader(ReaderConfig{
Brokers: []string{"localhost:9092"},
Topic: topic2,
GroupID: consumeGroup,
MinBytes: 1,
MaxBytes: 100,
MaxWait: 100 * time.Millisecond,
})
defer r2.Close()
prepareReader(t, ctx, r2, makeTestSequence(numMsgs)...)
for i := 0; i < numMsgs; i++ {
if _, err := r1.ReadMessage(ctx); err != nil {
t.Fatal(err)
}
}
for i := 0; i < numMsgs; i++ {
if _, err := r2.ReadMessage(ctx); err != nil {
t.Fatal(err)
}
}
client := Client{Addr: TCP("localhost:9092")}
topicOffsets, err := client.OffsetFetch(ctx, &OffsetFetchRequest{GroupID: consumeGroup, Topics: map[string][]int{
topic1: {0},
}})
if err != nil {
t.Error(err)
t.FailNow()
}
if len(topicOffsets.Topics) != 1 {
t.Error(err)
t.FailNow()
}
}
|
