frostfs-node/pkg/local_object_storage/blobovnicza/blobovnicza_test.go

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package blobovnicza
import (
"crypto/rand"
"crypto/sha256"
"os"
"testing"
"github.com/nspcc-dev/neofs-api-go/pkg/container"
objectSDK "github.com/nspcc-dev/neofs-api-go/pkg/object"
"github.com/nspcc-dev/neofs-node/pkg/core/object"
"github.com/nspcc-dev/neofs-node/pkg/util/logger/test"
"github.com/pkg/errors"
"github.com/stretchr/testify/require"
)
func testSHA256() (h [sha256.Size]byte) {
rand.Read(h[:])
return h
}
func testAddress() *objectSDK.Address {
cid := container.NewID()
cid.SetSHA256(testSHA256())
oid := objectSDK.NewID()
oid.SetSHA256(testSHA256())
addr := objectSDK.NewAddress()
addr.SetObjectID(oid)
addr.SetContainerID(cid)
return addr
}
func testObject(sz uint64) *object.Object {
raw := object.NewRaw()
addr := testAddress()
raw.SetID(addr.ObjectID())
raw.SetContainerID(addr.ContainerID())
raw.SetPayload(make([]byte, sz))
// fit the binary size to the required
data, _ := raw.Marshal()
if ln := uint64(len(data)); ln > sz {
raw.SetPayload(raw.Payload()[:sz-(ln-sz)])
}
raw.SetAttributes() // for require.Equal
return raw.Object()
}
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) {
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())
}