package blobovnicza import ( "crypto/sha256" "encoding/binary" "errors" "math/rand" "os" "testing" cidtest "github.com/nspcc-dev/neofs-api-go/pkg/container/id/test" objectSDK "github.com/nspcc-dev/neofs-api-go/pkg/object" objecttest "github.com/nspcc-dev/neofs-api-go/pkg/object/test" "github.com/nspcc-dev/neofs-node/pkg/core/object" "github.com/nspcc-dev/neofs-node/pkg/util/logger/test" "github.com/stretchr/testify/require" ) func testSHA256() (h [sha256.Size]byte) { rand.Read(h[:]) return h } func testAddress() *objectSDK.Address { oid := objectSDK.NewID() oid.SetSHA256(testSHA256()) addr := objectSDK.NewAddress() addr.SetObjectID(oid) addr.SetContainerID(cidtest.Generate()) return addr } func testPutGet(t *testing.T, blz *Blobovnicza, sz uint64, expPut, expGet error) *objectSDK.Address { // create binary object data := make([]byte, sz) addr := testAddress() // try to save object in Blobovnicza pPut := new(PutPrm) pPut.SetAddress(addr) pPut.SetMarshaledObject(data) _, err := blz.Put(pPut) require.True(t, errors.Is(err, expPut)) if expPut != nil { return nil } testGet(t, blz, addr, data, expGet) return addr } func testGet(t *testing.T, blz *Blobovnicza, addr *objectSDK.Address, expObj []byte, expErr error) { pGet := new(GetPrm) pGet.SetAddress(addr) // try to read object from Blobovnicza res, err := blz.Get(pGet) require.True(t, errors.Is(err, expErr)) if expErr == nil { require.Equal(t, expObj, res.Object()) } } func TestBlobovnicza(t *testing.T) { rand.Seed(1024) p := "./test_blz" sizeLim := uint64(256 * 1 << 10) // 256KB objSizeLim := sizeLim / 2 // create Blobovnicza instance blz := New( WithPath(p), WithObjectSizeLimit(objSizeLim), WithFullSizeLimit(sizeLim), WithLogger(test.NewLogger(false)), ) defer os.Remove(p) // open Blobovnicza require.NoError(t, blz.Open()) // initialize Blobovnicza require.NoError(t, blz.Init()) // try to read non-existent address testGet(t, blz, testAddress(), nil, object.ErrNotFound) filled := uint64(15 * 1 << 10) // test object 15KB addr := testPutGet(t, blz, filled, nil, nil) // remove the object dPrm := new(DeletePrm) dPrm.SetAddress(addr) _, err := blz.Delete(dPrm) require.NoError(t, err) // should return 404 testGet(t, blz, addr, nil, object.ErrNotFound) // fill Blobovnicza fully for ; filled < sizeLim; filled += objSizeLim { testPutGet(t, blz, objSizeLim, nil, nil) } // from now objects should not be saved testPutGet(t, blz, 1024, ErrFull, nil) require.NoError(t, blz.Close()) } func TestIterateObjects(t *testing.T) { p := t.Name() // create Blobovnicza instance blz := New( WithPath(p), WithObjectSizeLimit(1<<10), WithFullSizeLimit(100<<10), ) defer os.Remove(p) // open Blobovnicza require.NoError(t, blz.Open()) // initialize Blobovnicza require.NoError(t, blz.Init()) const objNum = 5 mObjs := make(map[string][]byte) for i := uint64(0); i < objNum; i++ { data := make([]byte, 8) // actual data doesn't really matter for test binary.BigEndian.PutUint64(data, i) mObjs[string(data)] = data } var putPrm PutPrm for _, v := range mObjs { putPrm.SetAddress(objecttest.Address()) putPrm.SetMarshaledObject(v) _, err := blz.Put(&putPrm) require.NoError(t, err) } err := IterateObjects(blz, func(data []byte) error { v, ok := mObjs[string(data)] require.True(t, ok) require.Equal(t, v, data) delete(mObjs, string(data)) return nil }) require.NoError(t, err) require.Empty(t, mObjs) }