package getsvc import ( "context" "crypto/ecdsa" "crypto/rand" "crypto/sha256" "fmt" "strconv" "testing" "github.com/nspcc-dev/neofs-api-go/pkg/container" "github.com/nspcc-dev/neofs-api-go/pkg/netmap" 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/network" "github.com/nspcc-dev/neofs-node/pkg/services/object/util" "github.com/nspcc-dev/neofs-node/pkg/services/object_manager/placement" "github.com/nspcc-dev/neofs-node/pkg/util/logger/test" "github.com/pkg/errors" "github.com/stretchr/testify/require" ) type testStorage struct { inhumed map[string]struct{} virtual map[string]*objectSDK.SplitInfo phy map[string]*object.Object } type testTraverserGenerator struct { c *container.Container b placement.Builder } type testPlacementBuilder struct { vectors map[string][]netmap.Nodes } type testClientCache struct { clients map[string]*testClient } type testClient struct { results map[string]struct { obj *object.RawObject err error } } func newTestStorage() *testStorage { return &testStorage{ inhumed: make(map[string]struct{}), virtual: make(map[string]*objectSDK.SplitInfo), phy: make(map[string]*object.Object), } } func (g *testTraverserGenerator) GenerateTraverser(addr *objectSDK.Address) (*placement.Traverser, error) { return placement.NewTraverser( placement.ForContainer(g.c), placement.ForObject(addr.ObjectID()), placement.UseBuilder(g.b), placement.SuccessAfter(1), ) } func (p *testPlacementBuilder) BuildPlacement(addr *objectSDK.Address, _ *netmap.PlacementPolicy) ([]netmap.Nodes, error) { vs, ok := p.vectors[addr.String()] if !ok { return nil, errors.New("vectors for address not found") } return vs, nil } func (c *testClientCache) get(_ *ecdsa.PrivateKey, addr string) (getClient, error) { v, ok := c.clients[addr] if !ok { return nil, errors.New("could not construct client") } return v, nil } func newTestClient() *testClient { return &testClient{ results: map[string]struct { obj *object.RawObject err error }{}, } } func (c *testClient) GetObject(_ context.Context, p RangePrm) (*objectSDK.Object, error) { v, ok := c.results[p.Address().String()] if !ok { return nil, object.ErrNotFound } if v.err != nil { return nil, v.err } return cutToRange(v.obj.Object(), p.rng).SDK(), nil } func (c *testClient) head(_ context.Context, p Prm) (*object.Object, error) { v, ok := c.results[p.Address().String()] if !ok { return nil, object.ErrNotFound } if v.err != nil { return nil, v.err } return v.obj.CutPayload().Object(), nil } func (c *testClient) addResult(addr *objectSDK.Address, obj *object.RawObject, err error) { c.results[addr.String()] = struct { obj *object.RawObject err error }{obj: obj, err: err} } func (s *testStorage) Get(p RangePrm) (*object.Object, error) { var ( ok bool obj *object.Object sAddr = p.Address().String() ) if _, ok = s.inhumed[sAddr]; ok { return nil, object.ErrAlreadyRemoved } if info, ok := s.virtual[sAddr]; ok { return nil, objectSDK.NewSplitInfoError(info) } if obj, ok = s.phy[sAddr]; ok { return cutToRange(obj, p.rng), nil } return nil, object.ErrNotFound } func cutToRange(o *object.Object, rng *objectSDK.Range) *object.Object { obj := object.NewRawFromObject(o) if rng == nil { return obj.Object() } from := rng.GetOffset() to := from + rng.GetLength() payload := obj.Payload() obj = obj.CutPayload() obj.SetPayload(payload[from:to]) return obj.Object() } func (s *testStorage) addPhy(addr *objectSDK.Address, obj *object.RawObject) { s.phy[addr.String()] = obj.Object() } func (s *testStorage) addVirtual(addr *objectSDK.Address, info *objectSDK.SplitInfo) { s.virtual[addr.String()] = info } func (s *testStorage) inhume(addr *objectSDK.Address) { s.inhumed[addr.String()] = struct{}{} } func testSHA256() (cs [sha256.Size]byte) { rand.Read(cs[:]) return cs } func generateID() *objectSDK.ID { id := objectSDK.NewID() id.SetSHA256(testSHA256()) return id } func generateAddress() *objectSDK.Address { addr := objectSDK.NewAddress() addr.SetObjectID(generateID()) cid := container.NewID() cid.SetSHA256(testSHA256()) addr.SetContainerID(cid) return addr } func generateObject(addr *objectSDK.Address, prev *objectSDK.ID, payload []byte, children ...*objectSDK.ID) *object.RawObject { obj := object.NewRaw() obj.SetContainerID(addr.ContainerID()) obj.SetID(addr.ObjectID()) obj.SetPayload(payload) obj.SetPreviousID(prev) obj.SetChildren(children...) return obj } func TestGetLocalOnly(t *testing.T) { ctx := context.Background() newSvc := func(storage *testStorage) *Service { svc := &Service{cfg: new(cfg)} svc.log = test.NewLogger(false) svc.localStorage = storage svc.assembly = true return svc } newPrm := func(raw bool, w ObjectWriter) Prm { p := Prm{} p.SetObjectWriter(w) p.WithRawFlag(raw) p.common = new(util.CommonPrm).WithLocalOnly(true) return p } newRngPrm := func(raw bool, w ChunkWriter, off, ln uint64) RangePrm { p := RangePrm{} p.SetChunkWriter(w) p.WithRawFlag(raw) p.common = new(util.CommonPrm).WithLocalOnly(true) r := objectSDK.NewRange() r.SetOffset(off) r.SetLength(ln) p.SetRange(r) return p } t.Run("OK", func(t *testing.T) { storage := newTestStorage() svc := newSvc(storage) w := newSimpleObjectWriter() p := newPrm(false, w) payloadSz := uint64(10) payload := make([]byte, payloadSz) rand.Read(payload) addr := generateAddress() obj := generateObject(addr, nil, payload) storage.addPhy(addr, obj) p.WithAddress(addr) storage.addPhy(addr, obj) err := svc.Get(ctx, p) require.NoError(t, err) require.Equal(t, obj.Object(), w.object()) w = newSimpleObjectWriter() rngPrm := newRngPrm(false, w, payloadSz/3, payloadSz/3) rngPrm.WithAddress(addr) err = svc.GetRange(ctx, rngPrm) require.NoError(t, err) require.Equal(t, payload[payloadSz/3:2*payloadSz/3], w.object().Payload()) }) t.Run("INHUMED", func(t *testing.T) { storage := newTestStorage() svc := newSvc(storage) p := newPrm(false, nil) addr := generateAddress() storage.inhume(addr) p.WithAddress(addr) err := svc.Get(ctx, p) require.True(t, errors.Is(err, object.ErrAlreadyRemoved)) rngPrm := newRngPrm(false, nil, 0, 0) rngPrm.WithAddress(addr) err = svc.GetRange(ctx, rngPrm) require.True(t, errors.Is(err, object.ErrAlreadyRemoved)) }) t.Run("404", func(t *testing.T) { storage := newTestStorage() svc := newSvc(storage) p := newPrm(false, nil) addr := generateAddress() p.WithAddress(addr) err := svc.Get(ctx, p) require.True(t, errors.Is(err, object.ErrNotFound)) rngPrm := newRngPrm(false, nil, 0, 0) rngPrm.WithAddress(addr) err = svc.GetRange(ctx, rngPrm) require.True(t, errors.Is(err, object.ErrNotFound)) }) t.Run("VIRTUAL", func(t *testing.T) { storage := newTestStorage() svc := newSvc(storage) p := newPrm(true, nil) addr := generateAddress() splitInfo := objectSDK.NewSplitInfo() splitInfo.SetSplitID(objectSDK.NewSplitID()) splitInfo.SetLink(generateID()) splitInfo.SetLastPart(generateID()) p.WithAddress(addr) storage.addVirtual(addr, splitInfo) err := svc.Get(ctx, p) errSplit := objectSDK.NewSplitInfoError(objectSDK.NewSplitInfo()) require.True(t, errors.As(err, &errSplit)) require.Equal(t, splitInfo, errSplit.SplitInfo()) rngPrm := newRngPrm(true, nil, 0, 0) rngPrm.WithAddress(addr) err = svc.Get(ctx, p) require.True(t, errors.As(err, &errSplit)) }) } func testNodeMatrix(t testing.TB, dim []int) ([]netmap.Nodes, [][]string) { mNodes := make([]netmap.Nodes, len(dim)) mAddr := make([][]string, len(dim)) for i := range dim { ns := make([]netmap.NodeInfo, dim[i]) as := make([]string, dim[i]) for j := 0; j < dim[i]; j++ { a := fmt.Sprintf("/ip4/192.168.0.%s/tcp/%s", strconv.Itoa(i), strconv.Itoa(60000+j), ) var err error na, err := network.AddressFromString(a) require.NoError(t, err) as[j], err = na.IPAddrString() require.NoError(t, err) ni := netmap.NewNodeInfo() ni.SetAddress(a) ns[j] = *ni } mNodes[i] = netmap.NodesFromInfo(ns) mAddr[i] = as } return mNodes, mAddr } func generateChain(ln int, cid *container.ID) ([]*object.RawObject, []*objectSDK.ID, []byte) { curID := generateID() var prevID *objectSDK.ID addr := objectSDK.NewAddress() addr.SetContainerID(cid) res := make([]*object.RawObject, 0, ln) ids := make([]*objectSDK.ID, 0, ln) payload := make([]byte, 0, ln*10) for i := 0; i < ln; i++ { ids = append(ids, curID) addr.SetObjectID(curID) payloadPart := make([]byte, 10) rand.Read(payloadPart) o := generateObject(addr, prevID, []byte{byte(i)}) o.SetPayload(payloadPart) o.SetPayloadSize(uint64(len(payloadPart))) o.SetID(curID) payload = append(payload, payloadPart...) res = append(res, o) prevID = curID curID = generateID() } return res, ids, payload } func TestGetRemoteSmall(t *testing.T) { ctx := context.Background() cnr := container.New(container.WithPolicy(new(netmap.PlacementPolicy))) cid := container.CalculateID(cnr) newSvc := func(b *testPlacementBuilder, c *testClientCache) *Service { svc := &Service{cfg: new(cfg)} svc.log = test.NewLogger(true) svc.localStorage = newTestStorage() svc.assembly = true svc.traverserGenerator = &testTraverserGenerator{ c: cnr, b: b, } svc.clientCache = c return svc } newPrm := func(raw bool, w ObjectWriter) Prm { p := Prm{} p.SetObjectWriter(w) p.WithRawFlag(raw) p.common = new(util.CommonPrm).WithLocalOnly(false) return p } newRngPrm := func(raw bool, w ChunkWriter, off, ln uint64) RangePrm { p := RangePrm{} p.SetChunkWriter(w) p.WithRawFlag(raw) p.common = new(util.CommonPrm).WithLocalOnly(false) r := objectSDK.NewRange() r.SetOffset(off) r.SetLength(ln) p.SetRange(r) return p } t.Run("OK", func(t *testing.T) { addr := generateAddress() addr.SetContainerID(cid) ns, as := testNodeMatrix(t, []int{2}) builder := &testPlacementBuilder{ vectors: map[string][]netmap.Nodes{ addr.String(): ns, }, } payloadSz := uint64(10) payload := make([]byte, payloadSz) rand.Read(payload) obj := generateObject(addr, nil, payload) c1 := newTestClient() c1.addResult(addr, obj, nil) c2 := newTestClient() c2.addResult(addr, nil, errors.New("any error")) svc := newSvc(builder, &testClientCache{ clients: map[string]*testClient{ as[0][0]: c1, as[0][1]: c2, }, }) w := newSimpleObjectWriter() p := newPrm(false, w) p.WithAddress(addr) err := svc.Get(ctx, p) require.NoError(t, err) require.Equal(t, obj.Object(), w.object()) *c1, *c2 = *c2, *c1 err = svc.Get(ctx, p) require.NoError(t, err) require.Equal(t, obj.Object(), w.object()) w = newSimpleObjectWriter() rngPrm := newRngPrm(false, w, payloadSz/3, payloadSz/3) rngPrm.WithAddress(addr) err = svc.GetRange(ctx, rngPrm) require.NoError(t, err) require.Equal(t, payload[payloadSz/3:2*payloadSz/3], w.object().Payload()) }) t.Run("INHUMED", func(t *testing.T) { addr := generateAddress() addr.SetContainerID(cid) ns, as := testNodeMatrix(t, []int{2}) builder := &testPlacementBuilder{ vectors: map[string][]netmap.Nodes{ addr.String(): ns, }, } c1 := newTestClient() c1.addResult(addr, nil, errors.New("any error")) c2 := newTestClient() c2.addResult(addr, nil, object.ErrAlreadyRemoved) svc := newSvc(builder, &testClientCache{ clients: map[string]*testClient{ as[0][0]: c1, as[0][1]: c2, }, }) p := newPrm(false, nil) p.WithAddress(addr) err := svc.Get(ctx, p) require.True(t, errors.Is(err, object.ErrAlreadyRemoved)) rngPrm := newRngPrm(false, nil, 0, 0) rngPrm.WithAddress(addr) err = svc.GetRange(ctx, rngPrm) require.True(t, errors.Is(err, object.ErrAlreadyRemoved)) }) t.Run("404", func(t *testing.T) { addr := generateAddress() addr.SetContainerID(cid) ns, as := testNodeMatrix(t, []int{2}) builder := &testPlacementBuilder{ vectors: map[string][]netmap.Nodes{ addr.String(): ns, }, } c1 := newTestClient() c1.addResult(addr, nil, errors.New("any error")) c2 := newTestClient() c2.addResult(addr, nil, errors.New("any error")) svc := newSvc(builder, &testClientCache{ clients: map[string]*testClient{ as[0][0]: c1, as[0][1]: c2, }, }) p := newPrm(false, nil) p.WithAddress(addr) err := svc.Get(ctx, p) require.True(t, errors.Is(err, object.ErrNotFound)) rngPrm := newRngPrm(false, nil, 0, 0) rngPrm.WithAddress(addr) err = svc.GetRange(ctx, rngPrm) require.True(t, errors.Is(err, object.ErrNotFound)) }) t.Run("VIRTUAL", func(t *testing.T) { t.Run("linking", func(t *testing.T) { t.Run("get linking failure", func(t *testing.T) { addr := generateAddress() addr.SetContainerID(cid) addr.SetObjectID(generateID()) ns, as := testNodeMatrix(t, []int{2}) splitInfo := objectSDK.NewSplitInfo() splitInfo.SetLink(generateID()) splitAddr := objectSDK.NewAddress() splitAddr.SetContainerID(cid) splitAddr.SetObjectID(splitInfo.Link()) c1 := newTestClient() c1.addResult(addr, nil, errors.New("any error")) c1.addResult(splitAddr, nil, object.ErrNotFound) c2 := newTestClient() c2.addResult(addr, nil, objectSDK.NewSplitInfoError(splitInfo)) c2.addResult(splitAddr, nil, object.ErrNotFound) builder := &testPlacementBuilder{ vectors: map[string][]netmap.Nodes{ addr.String(): ns, splitAddr.String(): ns, }, } svc := newSvc(builder, &testClientCache{ clients: map[string]*testClient{ as[0][0]: c1, as[0][1]: c2, }, }) p := newPrm(false, nil) p.WithAddress(addr) err := svc.Get(ctx, p) require.True(t, errors.Is(err, object.ErrNotFound)) rngPrm := newRngPrm(false, nil, 0, 0) rngPrm.WithAddress(addr) err = svc.GetRange(ctx, rngPrm) require.True(t, errors.Is(err, object.ErrNotFound)) }) t.Run("get chain element failure", func(t *testing.T) { addr := generateAddress() addr.SetContainerID(cid) addr.SetObjectID(generateID()) srcObj := generateObject(addr, nil, nil) srcObj.SetPayloadSize(10) ns, as := testNodeMatrix(t, []int{2}) splitInfo := objectSDK.NewSplitInfo() splitInfo.SetLink(generateID()) children, childIDs, _ := generateChain(2, cid) linkAddr := objectSDK.NewAddress() linkAddr.SetContainerID(cid) linkAddr.SetObjectID(splitInfo.Link()) linkingObj := generateObject(linkAddr, nil, nil, childIDs...) linkingObj.SetParentID(addr.ObjectID()) linkingObj.SetParent(srcObj.Object().SDK()) child1Addr := objectSDK.NewAddress() child1Addr.SetContainerID(cid) child1Addr.SetObjectID(childIDs[0]) child2Addr := objectSDK.NewAddress() child2Addr.SetContainerID(cid) child2Addr.SetObjectID(childIDs[1]) c1 := newTestClient() c1.addResult(addr, nil, errors.New("any error")) c1.addResult(linkAddr, nil, errors.New("any error")) c1.addResult(child1Addr, nil, errors.New("any error")) c1.addResult(child2Addr, nil, errors.New("any error")) c2 := newTestClient() c2.addResult(addr, nil, objectSDK.NewSplitInfoError(splitInfo)) c2.addResult(linkAddr, linkingObj, nil) c2.addResult(child1Addr, children[0], nil) c2.addResult(child2Addr, nil, object.ErrNotFound) builder := &testPlacementBuilder{ vectors: map[string][]netmap.Nodes{ addr.String(): ns, linkAddr.String(): ns, child1Addr.String(): ns, child2Addr.String(): ns, }, } svc := newSvc(builder, &testClientCache{ clients: map[string]*testClient{ as[0][0]: c1, as[0][1]: c2, }, }) p := newPrm(false, newSimpleObjectWriter()) p.WithAddress(addr) err := svc.Get(ctx, p) require.True(t, errors.Is(err, object.ErrNotFound)) svc.headSvc = c2 rngPrm := newRngPrm(false, newSimpleObjectWriter(), 0, 1) rngPrm.WithAddress(addr) err = svc.GetRange(ctx, rngPrm) require.True(t, errors.Is(err, object.ErrNotFound)) }) t.Run("OK", func(t *testing.T) { addr := generateAddress() addr.SetContainerID(cid) addr.SetObjectID(generateID()) srcObj := generateObject(addr, nil, nil) ns, as := testNodeMatrix(t, []int{2}) splitInfo := objectSDK.NewSplitInfo() splitInfo.SetLink(generateID()) children, childIDs, payload := generateChain(2, cid) srcObj.SetPayload(payload) srcObj.SetPayloadSize(uint64(len(payload))) linkAddr := objectSDK.NewAddress() linkAddr.SetContainerID(cid) linkAddr.SetObjectID(splitInfo.Link()) linkingObj := generateObject(linkAddr, nil, nil, childIDs...) linkingObj.SetParentID(addr.ObjectID()) linkingObj.SetParent(srcObj.Object().SDK()) child1Addr := objectSDK.NewAddress() child1Addr.SetContainerID(cid) child1Addr.SetObjectID(childIDs[0]) child2Addr := objectSDK.NewAddress() child2Addr.SetContainerID(cid) child2Addr.SetObjectID(childIDs[1]) c1 := newTestClient() c1.addResult(addr, nil, errors.New("any error")) c1.addResult(linkAddr, nil, errors.New("any error")) c1.addResult(child1Addr, nil, errors.New("any error")) c1.addResult(child2Addr, nil, errors.New("any error")) c2 := newTestClient() c2.addResult(addr, nil, objectSDK.NewSplitInfoError(splitInfo)) c2.addResult(linkAddr, linkingObj, nil) c2.addResult(child1Addr, children[0], nil) c2.addResult(child2Addr, children[1], nil) builder := &testPlacementBuilder{ vectors: map[string][]netmap.Nodes{ addr.String(): ns, linkAddr.String(): ns, child1Addr.String(): ns, child2Addr.String(): ns, }, } svc := newSvc(builder, &testClientCache{ clients: map[string]*testClient{ as[0][0]: c1, as[0][1]: c2, }, }) w := newSimpleObjectWriter() p := newPrm(false, w) p.WithAddress(addr) err := svc.Get(ctx, p) require.NoError(t, err) require.Equal(t, srcObj.Object(), w.object()) svc.headSvc = c2 w = newSimpleObjectWriter() payloadSz := srcObj.PayloadSize() off := payloadSz / 3 ln := payloadSz / 3 rngPrm := newRngPrm(false, w, off, ln) rngPrm.WithAddress(addr) err = svc.GetRange(ctx, rngPrm) require.NoError(t, err) require.Equal(t, payload[off:off+ln], w.object().Payload()) }) }) t.Run("right child", func(t *testing.T) { t.Run("get right child failure", func(t *testing.T) { addr := generateAddress() addr.SetContainerID(cid) addr.SetObjectID(generateID()) ns, as := testNodeMatrix(t, []int{2}) splitInfo := objectSDK.NewSplitInfo() splitInfo.SetLastPart(generateID()) splitAddr := objectSDK.NewAddress() splitAddr.SetContainerID(cid) splitAddr.SetObjectID(splitInfo.LastPart()) c1 := newTestClient() c1.addResult(addr, nil, errors.New("any error")) c1.addResult(splitAddr, nil, object.ErrNotFound) c2 := newTestClient() c2.addResult(addr, nil, objectSDK.NewSplitInfoError(splitInfo)) c2.addResult(splitAddr, nil, object.ErrNotFound) builder := &testPlacementBuilder{ vectors: map[string][]netmap.Nodes{ addr.String(): ns, splitAddr.String(): ns, }, } svc := newSvc(builder, &testClientCache{ clients: map[string]*testClient{ as[0][0]: c1, as[0][1]: c2, }, }) p := newPrm(false, nil) p.WithAddress(addr) err := svc.Get(ctx, p) require.True(t, errors.Is(err, object.ErrNotFound)) rngPrm := newRngPrm(false, nil, 0, 0) rngPrm.WithAddress(addr) err = svc.GetRange(ctx, rngPrm) require.True(t, errors.Is(err, object.ErrNotFound)) }) t.Run("get chain element failure", func(t *testing.T) { addr := generateAddress() addr.SetContainerID(cid) addr.SetObjectID(generateID()) srcObj := generateObject(addr, nil, nil) srcObj.SetPayloadSize(10) ns, as := testNodeMatrix(t, []int{2}) splitInfo := objectSDK.NewSplitInfo() splitInfo.SetLastPart(generateID()) children, _, _ := generateChain(2, cid) rightAddr := objectSDK.NewAddress() rightAddr.SetContainerID(cid) rightAddr.SetObjectID(splitInfo.LastPart()) rightObj := children[len(children)-1] rightObj.SetParentID(addr.ObjectID()) rightObj.SetParent(srcObj.Object().SDK()) preRightAddr := children[len(children)-2].Object().Address() c1 := newTestClient() c1.addResult(addr, nil, errors.New("any error")) c1.addResult(rightAddr, nil, errors.New("any error")) c2 := newTestClient() c2.addResult(addr, nil, objectSDK.NewSplitInfoError(splitInfo)) c2.addResult(rightAddr, rightObj, nil) builder := &testPlacementBuilder{ vectors: map[string][]netmap.Nodes{ addr.String(): ns, rightAddr.String(): ns, preRightAddr.String(): ns, }, } svc := newSvc(builder, &testClientCache{ clients: map[string]*testClient{ as[0][0]: c1, as[0][1]: c2, }, }) headSvc := newTestClient() headSvc.addResult(preRightAddr, nil, object.ErrNotFound) svc.headSvc = headSvc p := newPrm(false, newSimpleObjectWriter()) p.WithAddress(addr) err := svc.Get(ctx, p) require.True(t, errors.Is(err, object.ErrNotFound)) rngPrm := newRngPrm(false, nil, 0, 1) rngPrm.WithAddress(addr) err = svc.GetRange(ctx, rngPrm) require.True(t, errors.Is(err, object.ErrNotFound)) }) t.Run("OK", func(t *testing.T) { addr := generateAddress() addr.SetContainerID(cid) addr.SetObjectID(generateID()) srcObj := generateObject(addr, nil, nil) ns, as := testNodeMatrix(t, []int{2}) splitInfo := objectSDK.NewSplitInfo() splitInfo.SetLastPart(generateID()) children, _, payload := generateChain(2, cid) srcObj.SetPayloadSize(uint64(len(payload))) srcObj.SetPayload(payload) rightObj := children[len(children)-1] rightObj.SetID(splitInfo.LastPart()) rightObj.SetParentID(addr.ObjectID()) rightObj.SetParent(srcObj.Object().SDK()) c1 := newTestClient() c1.addResult(addr, nil, errors.New("any error")) for i := range children { c1.addResult(children[i].Object().Address(), nil, errors.New("any error")) } c2 := newTestClient() c2.addResult(addr, nil, objectSDK.NewSplitInfoError(splitInfo)) for i := range children { c2.addResult(children[i].Object().Address(), children[i], nil) } builder := &testPlacementBuilder{ vectors: map[string][]netmap.Nodes{}, } builder.vectors[addr.String()] = ns for i := range children { builder.vectors[children[i].Object().Address().String()] = ns } svc := newSvc(builder, &testClientCache{ clients: map[string]*testClient{ as[0][0]: c1, as[0][1]: c2, }, }) svc.headSvc = c2 w := newSimpleObjectWriter() p := newPrm(false, w) p.WithAddress(addr) err := svc.Get(ctx, p) require.NoError(t, err) require.Equal(t, srcObj.Object(), w.object()) w = newSimpleObjectWriter() payloadSz := srcObj.PayloadSize() off := payloadSz / 3 ln := payloadSz / 3 rngPrm := newRngPrm(false, w, off, ln) rngPrm.WithAddress(addr) err = svc.GetRange(ctx, rngPrm) require.NoError(t, err) require.Equal(t, payload[off:off+ln], w.object().Payload()) w = newSimpleObjectWriter() off = payloadSz - 2 ln = 1 rngPrm = newRngPrm(false, w, off, ln) rngPrm.WithAddress(addr) err = svc.GetRange(ctx, rngPrm) require.NoError(t, err) require.Equal(t, payload[off:off+ln], w.object().Payload()) }) }) }) }