mirror of
https://github.com/VictoriaMetrics/VictoriaMetrics.git
synced 2024-12-20 23:46:23 +01:00
24ca30bf66
Previously `maxBlockSize` has been multiplied by 8 in certain checks. This is unnecessary.
100 lines
2.6 KiB
Go
100 lines
2.6 KiB
Go
package storage
|
|
|
|
import (
|
|
"fmt"
|
|
"reflect"
|
|
"testing"
|
|
"testing/quick"
|
|
)
|
|
|
|
func TestMetaindexRowReset(t *testing.T) {
|
|
var mr metaindexRow
|
|
|
|
mr.TSID.MetricID = 234
|
|
mr.BlockHeadersCount = 1323
|
|
mr.MinTimestamp = -234
|
|
mr.MaxTimestamp = 8989
|
|
mr.IndexBlockOffset = 89439
|
|
mr.IndexBlockSize = 89984
|
|
|
|
var mrEmpty metaindexRow
|
|
mrEmpty.MinTimestamp = 1<<63 - 1
|
|
mrEmpty.MaxTimestamp = -1 << 63
|
|
if reflect.DeepEqual(&mr, &mrEmpty) {
|
|
t.Fatalf("mr=%+v cannot be equal to mrEmpty=%+v", &mr, &mrEmpty)
|
|
}
|
|
mr.Reset()
|
|
if !reflect.DeepEqual(&mr, &mrEmpty) {
|
|
t.Fatalf("mr=%+v must be equal to mrEmpty=%+v", &mr, &mrEmpty)
|
|
}
|
|
}
|
|
|
|
func TestMetaindexRowMarshalUnmarshal(t *testing.T) {
|
|
var mr metaindexRow
|
|
|
|
for i := 0; i < 1000; i++ {
|
|
initTestMetaindexRow(&mr)
|
|
testMetaindexRowMarshalUnmarshal(t, &mr)
|
|
}
|
|
}
|
|
|
|
func testMetaindexRowMarshalUnmarshal(t *testing.T, mr *metaindexRow) {
|
|
dst := mr.Marshal(nil)
|
|
var mr1 metaindexRow
|
|
tail, err := mr1.Unmarshal(dst)
|
|
if err != nil {
|
|
t.Fatalf("cannot unmarshal mr=%+v from dst=%x: %s", mr, dst, err)
|
|
}
|
|
if len(tail) > 0 {
|
|
t.Fatalf("unexpected non-zero tail got after unmarshaling mr=%+v from dst=%x: %x", mr, dst, tail)
|
|
}
|
|
if !reflect.DeepEqual(mr, &mr1) {
|
|
t.Fatalf("unexpected unmarshaled mr; got\n%+v; want\n%+v", &mr1, mr)
|
|
}
|
|
|
|
prefix := []byte("foo")
|
|
dstNew := mr.Marshal(prefix)
|
|
if string(dstNew[:len(prefix)]) != string(prefix) {
|
|
t.Fatalf("unexepcted prefix when marshaling mr=%+v; got\n%x; want\n%x", mr, dstNew[:len(prefix)], prefix)
|
|
}
|
|
if string(dstNew[len(prefix):]) != string(dst) {
|
|
t.Fatalf("unexpected prefixed dstNew for mr=%+v; got\n%x; want\n%x", mr, dstNew[len(prefix):], dst)
|
|
}
|
|
|
|
suffix := []byte("bar")
|
|
dst = append(dst, suffix...)
|
|
var mr2 metaindexRow
|
|
tail, err = mr2.Unmarshal(dst)
|
|
if err != nil {
|
|
t.Fatalf("cannot unmarshal mr=%+v from prefixed dst=%x: %s", mr, dst, err)
|
|
}
|
|
if string(tail) != string(suffix) {
|
|
t.Fatalf("invalid tail after unmarshaling mr=%+v from prefixed dst; got\n%x; want\n%x", mr, tail, suffix)
|
|
}
|
|
if !reflect.DeepEqual(mr, &mr2) {
|
|
t.Fatalf("unexpected unmarshaled mr from prefixed dst; got\n%+v; want\n%+v", &mr2, mr)
|
|
}
|
|
}
|
|
|
|
func initTestMetaindexRow(mr *metaindexRow) {
|
|
rndLock.Lock()
|
|
iv, ok := quick.Value(metaindexRowType, rnd)
|
|
rndLock.Unlock()
|
|
if !ok {
|
|
panic(fmt.Errorf("error in quick.Value when generating random metaindexRow"))
|
|
}
|
|
rndMR := iv.Interface().(*metaindexRow)
|
|
if rndMR == nil {
|
|
rndMR = &metaindexRow{}
|
|
}
|
|
*mr = *rndMR
|
|
if mr.BlockHeadersCount == 0 {
|
|
mr.BlockHeadersCount = 1
|
|
}
|
|
if mr.IndexBlockSize > 2*maxBlockSize {
|
|
mr.IndexBlockSize = 2 * maxBlockSize
|
|
}
|
|
}
|
|
|
|
var metaindexRowType = reflect.TypeOf(&metaindexRow{})
|