VictoriaMetrics/app/vlinsert/elasticsearch/elasticsearch_test.go
2023-06-19 22:55:12 -07:00

97 lines
3 KiB
Go

package elasticsearch
import (
"bytes"
"compress/gzip"
"fmt"
"reflect"
"strings"
"testing"
"github.com/VictoriaMetrics/VictoriaMetrics/lib/logstorage"
)
func TestReadBulkRequest(t *testing.T) {
f := func(data, timeField, msgField string, rowsExpected int, timestampsExpected []int64, resultExpected string) {
t.Helper()
var timestamps []int64
var result string
processLogMessage := func(timestamp int64, fields []logstorage.Field) {
timestamps = append(timestamps, timestamp)
a := make([]string, len(fields))
for i, f := range fields {
a[i] = fmt.Sprintf("%q:%q", f.Name, f.Value)
}
s := "{" + strings.Join(a, ",") + "}\n"
result += s
}
// Read the request without compression
r := bytes.NewBufferString(data)
rows, err := readBulkRequest(r, false, timeField, msgField, processLogMessage)
if err != nil {
t.Fatalf("unexpected error: %s", err)
}
if rows != rowsExpected {
t.Fatalf("unexpected rows read; got %d; want %d", rows, rowsExpected)
}
if !reflect.DeepEqual(timestamps, timestampsExpected) {
t.Fatalf("unexpected timestamps;\ngot\n%d\nwant\n%d", timestamps, timestampsExpected)
}
if result != resultExpected {
t.Fatalf("unexpected result;\ngot\n%s\nwant\n%s", result, resultExpected)
}
// Read the request with compression
timestamps = nil
result = ""
compressedData := compressData(data)
r = bytes.NewBufferString(compressedData)
rows, err = readBulkRequest(r, true, timeField, msgField, processLogMessage)
if err != nil {
t.Fatalf("unexpected error: %s", err)
}
if rows != rowsExpected {
t.Fatalf("unexpected rows read; got %d; want %d", rows, rowsExpected)
}
if !reflect.DeepEqual(timestamps, timestampsExpected) {
t.Fatalf("unexpected timestamps;\ngot\n%d\nwant\n%d", timestamps, timestampsExpected)
}
if result != resultExpected {
t.Fatalf("unexpected result;\ngot\n%s\nwant\n%s", result, resultExpected)
}
}
data := `{"create":{"_index":"filebeat-8.8.0"}}
{"@timestamp":"2023-06-06T04:48:11.735Z","log":{"offset":71770,"file":{"path":"/var/log/auth.log"}},"message":"foobar"}
{"create":{"_index":"filebeat-8.8.0"}}
{"@timestamp":"2023-06-06T04:48:12.735Z","message":"baz"}
{"create":{"_index":"filebeat-8.8.0"}}
{"message":"xyz","@timestamp":"2023-06-06T04:48:13.735Z","x":"y"}
`
timeField := "@timestamp"
msgField := "message"
rowsExpected := 3
timestampsExpected := []int64{1686026891735000000, 1686026892735000000, 1686026893735000000}
resultExpected := `{"@timestamp":"","log.offset":"71770","log.file.path":"/var/log/auth.log","_msg":"foobar"}
{"@timestamp":"","_msg":"baz"}
{"_msg":"xyz","@timestamp":"","x":"y"}
`
f(data, timeField, msgField, rowsExpected, timestampsExpected, resultExpected)
}
func compressData(s string) string {
var bb bytes.Buffer
zw := gzip.NewWriter(&bb)
if _, err := zw.Write([]byte(s)); err != nil {
panic(fmt.Errorf("unexpected error when compressing data: %s", err))
}
if err := zw.Close(); err != nil {
panic(fmt.Errorf("unexpected error when closing gzip writer: %s", err))
}
return bb.String()
}