package blobstor import ( "bytes" "encoding/binary" "errors" "os" "path/filepath" "strconv" "testing" "github.com/klauspost/compress/zstd" "github.com/nspcc-dev/neofs-node/pkg/local_object_storage/blobovnicza" "github.com/nspcc-dev/neofs-sdk-go/object" oid "github.com/nspcc-dev/neofs-sdk-go/object/id" oidtest "github.com/nspcc-dev/neofs-sdk-go/object/id/test" "github.com/stretchr/testify/require" ) func TestIterateObjects(t *testing.T) { p := t.Name() const smalSz = 50 // create BlobStor instance blobStor := New( WithCompressObjects(true), WithRootPath(p), WithSmallSizeLimit(smalSz), WithBlobovniczaShallowWidth(1), WithBlobovniczaShallowDepth(1), ) defer os.RemoveAll(p) // open Blobstor require.NoError(t, blobStor.Open()) // initialize Blobstor require.NoError(t, blobStor.Init()) defer blobStor.Close() const objNum = 5 type addrData struct { big bool addr oid.Address data []byte } mObjs := make(map[string]addrData) for i := uint64(0); i < objNum; i++ { sz := smalSz big := i < objNum/2 if big { sz++ } data := make([]byte, sz) binary.BigEndian.PutUint64(data, i) addr := oidtest.Address() mObjs[string(data)] = addrData{ big: big, addr: addr, data: data, } } for _, v := range mObjs { _, err := blobStor.PutRaw(v.addr, v.data, true) require.NoError(t, err) } err := IterateBinaryObjects(blobStor, func(data []byte, blzID *blobovnicza.ID) error { v, ok := mObjs[string(data)] require.True(t, ok) require.Equal(t, v.data, data) if v.big { require.Nil(t, blzID) } else { require.NotNil(t, blzID) } delete(mObjs, string(data)) return nil }) require.NoError(t, err) require.Empty(t, mObjs) } func TestIterate_IgnoreErrors(t *testing.T) { dir := t.TempDir() const ( smallSize = 512 objCount = 5 ) bsOpts := []Option{ WithCompressObjects(true), WithRootPath(dir), WithSmallSizeLimit(smallSize * 2), // + header WithBlobovniczaOpenedCacheSize(1), WithBlobovniczaShallowWidth(1), WithBlobovniczaShallowDepth(1)} bs := New(bsOpts...) require.NoError(t, bs.Open()) require.NoError(t, bs.Init()) addrs := make([]oid.Address, objCount) for i := range addrs { addrs[i] = oidtest.Address() obj := object.New() obj.SetContainerID(addrs[i].Container()) obj.SetID(addrs[i].Object()) obj.SetPayload(make([]byte, smallSize<<(i%2))) objData, err := obj.Marshal() require.NoError(t, err) _, err = bs.PutRaw(addrs[i], objData, true) require.NoError(t, err) } // Construct corrupted compressed object. buf := bytes.NewBuffer(nil) badObject := make([]byte, smallSize/2+1) enc, err := zstd.NewWriter(buf) require.NoError(t, err) rawData := enc.EncodeAll(badObject, nil) for i := 4; /* magic size */ i < len(rawData); i += 2 { rawData[i] ^= 0xFF } // Will be put uncompressed but fetched as compressed because of magic. _, err = bs.PutRaw(oidtest.Address(), rawData, false) require.NoError(t, err) require.NoError(t, bs.fsTree.Put(oidtest.Address(), rawData)) require.NoError(t, bs.Close()) // Increase width to have blobovnicza which is definitely empty. b := New(append(bsOpts, WithBlobovniczaShallowWidth(2))...) require.NoError(t, b.Open()) require.NoError(t, b.Init()) var p string for i := 0; i < 2; i++ { bp := filepath.Join(bs.blzRootPath, "1", strconv.FormatUint(uint64(i), 10)) if _, ok := bs.blobovniczas.opened.Get(bp); !ok { p = bp break } } require.NotEqual(t, "", p, "expected to not have at least 1 blobovnicza in cache") require.NoError(t, os.Chmod(p, 0)) require.NoError(t, b.Close()) require.NoError(t, bs.Open()) require.NoError(t, bs.Init()) var prm IteratePrm prm.SetIterationHandler(func(e IterationElement) error { return nil }) _, err = bs.Iterate(prm) require.Error(t, err) prm.IgnoreErrors() t.Run("skip invalid objects", func(t *testing.T) { actual := make([]oid.Address, 0, len(addrs)) prm.SetIterationHandler(func(e IterationElement) error { obj := object.New() err := obj.Unmarshal(e.data) if err != nil { return err } var addr oid.Address cnr, _ := obj.ContainerID() addr.SetContainer(cnr) id, _ := obj.ID() addr.SetObject(id) actual = append(actual, addr) return nil }) _, err := bs.Iterate(prm) require.NoError(t, err) require.ElementsMatch(t, addrs, actual) }) t.Run("return errors from handler", func(t *testing.T) { n := 0 expectedErr := errors.New("expected error") prm.SetIterationHandler(func(e IterationElement) error { if n++; n == objCount/2 { return expectedErr } return nil }) _, err := bs.Iterate(prm) require.ErrorIs(t, err, expectedErr) }) }