mirror of
https://github.com/VictoriaMetrics/VictoriaMetrics.git
synced 2024-11-28 09:55:36 +01:00
100 lines
2.6 KiB
Go
100 lines
2.6 KiB
Go
package storage
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import (
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"fmt"
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"reflect"
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"testing"
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"testing/quick"
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)
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func TestMetaindexRowReset(t *testing.T) {
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var mr metaindexRow
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mr.TSID.MetricID = 234
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mr.BlockHeadersCount = 1323
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mr.MinTimestamp = -234
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mr.MaxTimestamp = 8989
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mr.IndexBlockOffset = 89439
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mr.IndexBlockSize = 89984
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var mrEmpty metaindexRow
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mrEmpty.MinTimestamp = 1<<63 - 1
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mrEmpty.MaxTimestamp = -1 << 63
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if reflect.DeepEqual(&mr, &mrEmpty) {
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t.Fatalf("mr=%+v cannot be equal to mrEmpty=%+v", &mr, &mrEmpty)
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}
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mr.Reset()
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if !reflect.DeepEqual(&mr, &mrEmpty) {
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t.Fatalf("mr=%+v must be equal to mrEmpty=%+v", &mr, &mrEmpty)
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}
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}
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func TestMetaindexRowMarshalUnmarshal(t *testing.T) {
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var mr metaindexRow
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for i := 0; i < 1000; i++ {
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initTestMetaindexRow(&mr)
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testMetaindexRowMarshalUnmarshal(t, &mr)
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}
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}
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func testMetaindexRowMarshalUnmarshal(t *testing.T, mr *metaindexRow) {
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dst := mr.Marshal(nil)
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var mr1 metaindexRow
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tail, err := mr1.Unmarshal(dst)
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if err != nil {
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t.Fatalf("cannot unmarshal mr=%+v from dst=%x: %s", mr, dst, err)
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}
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if len(tail) > 0 {
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t.Fatalf("unexpected non-zero tail got after unmarshaling mr=%+v from dst=%x: %x", mr, dst, tail)
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}
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if !reflect.DeepEqual(mr, &mr1) {
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t.Fatalf("unexpected unmarshaled mr; got\n%+v; want\n%+v", &mr1, mr)
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}
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prefix := []byte("foo")
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dstNew := mr.Marshal(prefix)
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if string(dstNew[:len(prefix)]) != string(prefix) {
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t.Fatalf("unexepcted prefix when marshaling mr=%+v; got\n%x; want\n%x", mr, dstNew[:len(prefix)], prefix)
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}
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if string(dstNew[len(prefix):]) != string(dst) {
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t.Fatalf("unexpected prefixed dstNew for mr=%+v; got\n%x; want\n%x", mr, dstNew[len(prefix):], dst)
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}
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suffix := []byte("bar")
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dst = append(dst, suffix...)
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var mr2 metaindexRow
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tail, err = mr2.Unmarshal(dst)
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if err != nil {
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t.Fatalf("cannot unmarshal mr=%+v from prefixed dst=%x: %s", mr, dst, err)
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}
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if string(tail) != string(suffix) {
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t.Fatalf("invalid tail after unmarshaling mr=%+v from prefixed dst; got\n%x; want\n%x", mr, tail, suffix)
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}
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if !reflect.DeepEqual(mr, &mr2) {
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t.Fatalf("unexpected unmarshaled mr from prefixed dst; got\n%+v; want\n%+v", &mr2, mr)
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}
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}
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func initTestMetaindexRow(mr *metaindexRow) {
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rndLock.Lock()
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iv, ok := quick.Value(metaindexRowType, rnd)
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rndLock.Unlock()
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if !ok {
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panic(fmt.Errorf("error in quick.Value when generating random metaindexRow"))
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}
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rndMR := iv.Interface().(*metaindexRow)
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if rndMR == nil {
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rndMR = &metaindexRow{}
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}
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*mr = *rndMR
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if mr.BlockHeadersCount == 0 {
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mr.BlockHeadersCount = 1
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}
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if mr.IndexBlockSize > 2*8*maxBlockSize {
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mr.IndexBlockSize = 2 * 8 * maxBlockSize
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}
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}
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var metaindexRowType = reflect.TypeOf(&metaindexRow{})
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