VictoriaMetrics/app/vlinsert/elasticsearch/elasticsearch_test.go

103 lines
3.1 KiB
Go

package elasticsearch
import (
"bytes"
"compress/gzip"
"fmt"
"testing"
"github.com/VictoriaMetrics/VictoriaMetrics/app/vlinsert/insertutils"
)
func TestReadBulkRequest_Failure(t *testing.T) {
f := func(data string) {
t.Helper()
tlp := &insertutils.TestLogMessageProcessor{}
r := bytes.NewBufferString(data)
rows, err := readBulkRequest(r, false, "_time", "_msg", tlp)
if err == nil {
t.Fatalf("expecting non-empty error")
}
if rows != 0 {
t.Fatalf("unexpected non-zero rows=%d", rows)
}
}
f("foobar")
f(`{}`)
f(`{"create":{}}`)
f(`{"creat":{}}
{}`)
f(`{"create":{}}
foobar`)
}
func TestReadBulkRequest_Success(t *testing.T) {
f := func(data, timeField, msgField string, rowsExpected int, timestampsExpected []int64, resultExpected string) {
t.Helper()
tlp := &insertutils.TestLogMessageProcessor{}
// Read the request without compression
r := bytes.NewBufferString(data)
rows, err := readBulkRequest(r, false, timeField, msgField, tlp)
if err != nil {
t.Fatalf("unexpected error: %s", err)
}
if rows != rowsExpected {
t.Fatalf("unexpected rows read; got %d; want %d", rows, rowsExpected)
}
if err := tlp.Verify(rowsExpected, timestampsExpected, resultExpected); err != nil {
t.Fatal(err)
}
// Read the request with compression
tlp = &insertutils.TestLogMessageProcessor{}
compressedData := compressData(data)
r = bytes.NewBufferString(compressedData)
rows, err = readBulkRequest(r, true, timeField, msgField, tlp)
if err != nil {
t.Fatalf("unexpected error: %s", err)
}
if rows != rowsExpected {
t.Fatalf("unexpected rows read; got %d; want %d", rows, rowsExpected)
}
if err := tlp.Verify(rowsExpected, timestampsExpected, resultExpected); err != nil {
t.Fatalf("verification failure after compression: %s", err)
}
}
// Verify an empty data
f("", "_time", "_msg", 0, nil, "")
f("\n", "_time", "_msg", 0, nil, "")
f("\n\n", "_time", "_msg", 0, nil, "")
// Verify non-empty data
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"}
{"index":{"_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: %w", err))
}
if err := zw.Close(); err != nil {
panic(fmt.Errorf("unexpected error when closing gzip writer: %w", err))
}
return bb.String()
}