[#668] shard/test: Move tests to the main package

Semantic patch (also, duplicate definitions are removed):
```
@@
var e identifier
@@
-import "git.frostfs.info/TrueCloudLab/frostfs-node/pkg/local_object_storage/shard"

-shard.e
+e
```

Signed-off-by: Evgenii Stratonikov <e.stratonikov@yadro.com>

pkg/local_object_storage/shard/control_test.go

@@ -32,12 +32,6 @@ import (
 	"go.etcd.io/bbolt"
 )
 
-type epochState struct{}
-
-func (s epochState) CurrentEpoch() uint64 {
-	return 0
-}
-
 type objAddr struct {
 	obj  *objectSDK.Object
 	addr oid.Address

pkg/local_object_storage/shard/delete_test.go

@@ -1,4 +1,4 @@
-package shard_test
+package shard
 
 import (
 	"context"
@@ -7,7 +7,6 @@ import (
 
 	"git.frostfs.info/TrueCloudLab/frostfs-node/pkg/core/object"
 	"git.frostfs.info/TrueCloudLab/frostfs-node/pkg/local_object_storage/internal/testutil"
-	"git.frostfs.info/TrueCloudLab/frostfs-node/pkg/local_object_storage/shard"
 	"git.frostfs.info/TrueCloudLab/frostfs-sdk-go/client"
 	cidtest "git.frostfs.info/TrueCloudLab/frostfs-sdk-go/container/id/test"
 	"github.com/stretchr/testify/require"
@@ -36,8 +35,8 @@ func testShardDelete(t *testing.T, hasWriteCache bool) {
 	obj := testutil.GenerateObjectWithCID(cnr)
 	testutil.AddAttribute(obj, "foo", "bar")
 
-	var putPrm shard.PutPrm
-	var getPrm shard.GetPrm
+	var putPrm PutPrm
+	var getPrm GetPrm
 
 	t.Run("big object", func(t *testing.T) {
 		testutil.AddPayload(obj, 1<<20)
@@ -45,7 +44,7 @@ func testShardDelete(t *testing.T, hasWriteCache bool) {
 		putPrm.SetObject(obj)
 		getPrm.SetAddress(object.AddressOf(obj))
 
-		var delPrm shard.DeletePrm
+		var delPrm DeletePrm
 		delPrm.SetAddresses(object.AddressOf(obj))
 
 		_, err := sh.Put(context.Background(), putPrm)
@@ -71,7 +70,7 @@ func testShardDelete(t *testing.T, hasWriteCache bool) {
 		putPrm.SetObject(obj)
 		getPrm.SetAddress(object.AddressOf(obj))
 
-		var delPrm shard.DeletePrm
+		var delPrm DeletePrm
 		delPrm.SetAddresses(object.AddressOf(obj))
 
 		_, err := sh.Put(context.Background(), putPrm)

pkg/local_object_storage/shard/gc_test.go

@@ -1,4 +1,4 @@
-package shard_test
+package shard
 
 import (
 	"context"
@@ -10,7 +10,6 @@ import (
 	objectCore "git.frostfs.info/TrueCloudLab/frostfs-node/pkg/core/object"
 	"git.frostfs.info/TrueCloudLab/frostfs-node/pkg/local_object_storage/internal/testutil"
 	meta "git.frostfs.info/TrueCloudLab/frostfs-node/pkg/local_object_storage/metabase"
-	"git.frostfs.info/TrueCloudLab/frostfs-node/pkg/local_object_storage/shard"
 	writecacheconfig "git.frostfs.info/TrueCloudLab/frostfs-node/pkg/local_object_storage/writecache/config"
 	"git.frostfs.info/TrueCloudLab/frostfs-sdk-go/client"
 	cidtest "git.frostfs.info/TrueCloudLab/frostfs-sdk-go/container/id/test"
@@ -55,7 +54,7 @@ func Test_GCDropsLockedExpiredSimpleObject(t *testing.T) {
 	lock.SetAttributes(lockExpirationAttr)
 	lockID, _ := lock.ID()
 
-	var putPrm shard.PutPrm
+	var putPrm PutPrm
 	putPrm.SetObject(obj)
 
 	_, err := sh.Put(context.Background(), putPrm)
@@ -69,9 +68,9 @@ func Test_GCDropsLockedExpiredSimpleObject(t *testing.T) {
 	require.NoError(t, err)
 
 	epoch.Value = 105
-	sh.NotificationChannel() <- shard.EventNewEpoch(epoch.Value)
+	sh.NotificationChannel() <- EventNewEpoch(epoch.Value)
 
-	var getPrm shard.GetPrm
+	var getPrm GetPrm
 	getPrm.SetAddress(objectCore.AddressOf(obj))
 	require.Eventually(t, func() bool {
 		_, err = sh.Get(context.Background(), getPrm)
@@ -141,7 +140,7 @@ func Test_GCDropsLockedExpiredComplexObject(t *testing.T) {
 	lock.SetAttributes(lockExpirationAttr)
 	lockID, _ := lock.ID()
 
-	var putPrm shard.PutPrm
+	var putPrm PutPrm
 
 	for _, child := range children {
 		putPrm.SetObject(child)
@@ -160,7 +159,7 @@ func Test_GCDropsLockedExpiredComplexObject(t *testing.T) {
 	_, err = sh.Put(context.Background(), putPrm)
 	require.NoError(t, err)
 
-	var getPrm shard.GetPrm
+	var getPrm GetPrm
 	getPrm.SetAddress(objectCore.AddressOf(parent))
 
 	_, err = sh.Get(context.Background(), getPrm)
@@ -168,7 +167,7 @@ func Test_GCDropsLockedExpiredComplexObject(t *testing.T) {
 	require.True(t, errors.As(err, &splitInfoError), "split info must be provided")
 
 	epoch.Value = 105
-	sh.NotificationChannel() <- shard.EventNewEpoch(epoch.Value)
+	sh.NotificationChannel() <- EventNewEpoch(epoch.Value)
 
 	require.Eventually(t, func() bool {
 		_, err = sh.Get(context.Background(), getPrm)

pkg/local_object_storage/shard/get_test.go

@@ -1,4 +1,4 @@
-package shard_test
+package shard
 
 import (
 	"bytes"
@@ -9,7 +9,6 @@ import (
 
 	"git.frostfs.info/TrueCloudLab/frostfs-node/pkg/core/object"
 	"git.frostfs.info/TrueCloudLab/frostfs-node/pkg/local_object_storage/internal/testutil"
-	"git.frostfs.info/TrueCloudLab/frostfs-node/pkg/local_object_storage/shard"
 	"git.frostfs.info/TrueCloudLab/frostfs-sdk-go/client"
 	cidtest "git.frostfs.info/TrueCloudLab/frostfs-sdk-go/container/id/test"
 	objectSDK "git.frostfs.info/TrueCloudLab/frostfs-sdk-go/object"
@@ -35,8 +34,8 @@ func testShardGet(t *testing.T, hasWriteCache bool) {
 	sh := newShard(t, hasWriteCache)
 	defer releaseShard(sh, t)
 
-	var putPrm shard.PutPrm
-	var getPrm shard.GetPrm
+	var putPrm PutPrm
+	var getPrm GetPrm
 
 	t.Run("small object", func(t *testing.T) {
 		obj := testutil.GenerateObject()
@@ -116,7 +115,7 @@ func testShardGet(t *testing.T, hasWriteCache bool) {
 	})
 }
 
-func testGet(t *testing.T, sh *shard.Shard, getPrm shard.GetPrm, hasWriteCache bool) (shard.GetRes, error) {
+func testGet(t *testing.T, sh *Shard, getPrm GetPrm, hasWriteCache bool) (GetRes, error) {
 	res, err := sh.Get(context.Background(), getPrm)
 	if hasWriteCache {
 		require.Eventually(t, func() bool {

pkg/local_object_storage/shard/head_test.go

@@ -1,4 +1,4 @@
-package shard_test
+package shard
 
 import (
 	"context"
@@ -8,7 +8,6 @@ import (
 
 	"git.frostfs.info/TrueCloudLab/frostfs-node/pkg/core/object"
 	"git.frostfs.info/TrueCloudLab/frostfs-node/pkg/local_object_storage/internal/testutil"
-	"git.frostfs.info/TrueCloudLab/frostfs-node/pkg/local_object_storage/shard"
 	"git.frostfs.info/TrueCloudLab/frostfs-sdk-go/client"
 	cidtest "git.frostfs.info/TrueCloudLab/frostfs-sdk-go/container/id/test"
 	objectSDK "git.frostfs.info/TrueCloudLab/frostfs-sdk-go/object"
@@ -33,8 +32,8 @@ func testShardHead(t *testing.T, hasWriteCache bool) {
 	sh := newShard(t, hasWriteCache)
 	defer releaseShard(sh, t)
 
-	var putPrm shard.PutPrm
-	var headPrm shard.HeadPrm
+	var putPrm PutPrm
+	var headPrm HeadPrm
 
 	t.Run("regular object", func(t *testing.T) {
 		obj := testutil.GenerateObject()
@@ -87,7 +86,7 @@ func testShardHead(t *testing.T, hasWriteCache bool) {
 	})
 }
 
-func testHead(t *testing.T, sh *shard.Shard, headPrm shard.HeadPrm, hasWriteCache bool) (shard.HeadRes, error) {
+func testHead(t *testing.T, sh *Shard, headPrm HeadPrm, hasWriteCache bool) (HeadRes, error) {
 	res, err := sh.Head(context.Background(), headPrm)
 	if hasWriteCache {
 		require.Eventually(t, func() bool {

pkg/local_object_storage/shard/inhume_test.go

@@ -1,4 +1,4 @@
-package shard_test
+package shard
 
 import (
 	"context"
@@ -6,7 +6,6 @@ import (
 
 	"git.frostfs.info/TrueCloudLab/frostfs-node/pkg/core/object"
 	"git.frostfs.info/TrueCloudLab/frostfs-node/pkg/local_object_storage/internal/testutil"
-	"git.frostfs.info/TrueCloudLab/frostfs-node/pkg/local_object_storage/shard"
 	"git.frostfs.info/TrueCloudLab/frostfs-sdk-go/client"
 	cidtest "git.frostfs.info/TrueCloudLab/frostfs-sdk-go/container/id/test"
 	"github.com/stretchr/testify/require"
@@ -37,13 +36,13 @@ func testShardInhume(t *testing.T, hasWriteCache bool) {
 
 	ts := testutil.GenerateObjectWithCID(cnr)
 
-	var putPrm shard.PutPrm
+	var putPrm PutPrm
 	putPrm.SetObject(obj)
 
-	var inhPrm shard.InhumePrm
+	var inhPrm InhumePrm
 	inhPrm.SetTarget(object.AddressOf(ts), object.AddressOf(obj))
 
-	var getPrm shard.GetPrm
+	var getPrm GetPrm
 	getPrm.SetAddress(object.AddressOf(obj))
 
 	_, err := sh.Put(context.Background(), putPrm)

pkg/local_object_storage/shard/list_test.go

@@ -1,4 +1,4 @@
-package shard_test
+package shard
 
 import (
 	"context"
@@ -7,7 +7,6 @@ import (
 
 	"git.frostfs.info/TrueCloudLab/frostfs-node/pkg/core/object"
 	"git.frostfs.info/TrueCloudLab/frostfs-node/pkg/local_object_storage/internal/testutil"
-	"git.frostfs.info/TrueCloudLab/frostfs-node/pkg/local_object_storage/shard"
 	cidtest "git.frostfs.info/TrueCloudLab/frostfs-sdk-go/container/id/test"
 	"github.com/stretchr/testify/require"
 	"golang.org/x/sync/errgroup"
@@ -31,7 +30,7 @@ func TestShard_List(t *testing.T) {
 	})
 }
 
-func testShardList(t *testing.T, sh *shard.Shard) {
+func testShardList(t *testing.T, sh *Shard) {
 	const C = 10
 	const N = 5
 
@@ -59,7 +58,7 @@ func testShardList(t *testing.T, sh *shard.Shard) {
 					objs[object.AddressOf(obj).EncodeToString()] = 0
 					mtx.Unlock()
 
-					var putPrm shard.PutPrm
+					var putPrm PutPrm
 					putPrm.SetObject(obj)
 
 					_, err := sh.Put(context.Background(), putPrm)

pkg/local_object_storage/shard/lock_test.go

@@ -1,4 +1,4 @@
-package shard_test
+package shard
 
 import (
 	"context"
@@ -11,7 +11,6 @@ import (
 	"git.frostfs.info/TrueCloudLab/frostfs-node/pkg/local_object_storage/blobstor/fstree"
 	"git.frostfs.info/TrueCloudLab/frostfs-node/pkg/local_object_storage/internal/testutil"
 	meta "git.frostfs.info/TrueCloudLab/frostfs-node/pkg/local_object_storage/metabase"
-	"git.frostfs.info/TrueCloudLab/frostfs-node/pkg/local_object_storage/shard"
 	"git.frostfs.info/TrueCloudLab/frostfs-node/pkg/util/logger"
 	"git.frostfs.info/TrueCloudLab/frostfs-sdk-go/client"
 	apistatus "git.frostfs.info/TrueCloudLab/frostfs-sdk-go/client/status"
@@ -26,13 +25,13 @@ import (
 func TestShard_Lock(t *testing.T) {
 	t.Parallel()
 
-	var sh *shard.Shard
+	var sh *Shard
 
 	rootPath := t.TempDir()
-	opts := []shard.Option{
-		shard.WithID(shard.NewIDFromBytes([]byte{})),
-		shard.WithLogger(&logger.Logger{Logger: zap.NewNop()}),
-		shard.WithBlobStorOptions(
+	opts := []Option{
+		WithID(NewIDFromBytes([]byte{})),
+		WithLogger(&logger.Logger{Logger: zap.NewNop()}),
+		WithBlobStorOptions(
 			blobstor.WithStorages([]blobstor.SubStorage{
 				{
 					Storage: blobovniczatree.NewBlobovniczaTree(
@@ -49,16 +48,16 @@ func TestShard_Lock(t *testing.T) {
 				},
 			}),
 		),
-		shard.WithMetaBaseOptions(
+		WithMetaBaseOptions(
 			meta.WithPath(filepath.Join(rootPath, "meta")),
 			meta.WithEpochState(epochState{}),
 		),
-		shard.WithDeletedLockCallback(func(_ context.Context, addresses []oid.Address) {
+		WithDeletedLockCallback(func(_ context.Context, addresses []oid.Address) {
 			sh.HandleDeletedLocks(addresses)
 		}),
 	}
 
-	sh = shard.New(opts...)
+	sh = New(opts...)
 	require.NoError(t, sh.Open())
 	require.NoError(t, sh.Init(context.Background()))
 
@@ -76,7 +75,7 @@ func TestShard_Lock(t *testing.T) {
 
 	// put the object
 
-	var putPrm shard.PutPrm
+	var putPrm PutPrm
 	putPrm.SetObject(obj)
 
 	_, err := sh.Put(context.Background(), putPrm)
@@ -94,7 +93,7 @@ func TestShard_Lock(t *testing.T) {
 	t.Run("inhuming locked objects", func(t *testing.T) {
 		ts := testutil.GenerateObjectWithCID(cnr)
 
-		var inhumePrm shard.InhumePrm
+		var inhumePrm InhumePrm
 		inhumePrm.SetTarget(objectcore.AddressOf(ts), objectcore.AddressOf(obj))
 
 		var objLockedErr *apistatus.ObjectLocked
@@ -110,7 +109,7 @@ func TestShard_Lock(t *testing.T) {
 	t.Run("inhuming lock objects", func(t *testing.T) {
 		ts := testutil.GenerateObjectWithCID(cnr)
 
-		var inhumePrm shard.InhumePrm
+		var inhumePrm InhumePrm
 		inhumePrm.SetTarget(objectcore.AddressOf(ts), objectcore.AddressOf(lock))
 
 		_, err = sh.Inhume(context.Background(), inhumePrm)
@@ -122,7 +121,7 @@ func TestShard_Lock(t *testing.T) {
 	})
 
 	t.Run("force objects inhuming", func(t *testing.T) {
-		var inhumePrm shard.InhumePrm
+		var inhumePrm InhumePrm
 		inhumePrm.MarkAsGarbage(objectcore.AddressOf(lock))
 		inhumePrm.ForceRemoval()
 
@@ -132,7 +131,7 @@ func TestShard_Lock(t *testing.T) {
 		// it should be possible to remove
 		// lock object now
 
-		inhumePrm = shard.InhumePrm{}
+		inhumePrm = InhumePrm{}
 		inhumePrm.MarkAsGarbage(objectcore.AddressOf(obj))
 
 		_, err = sh.Inhume(context.Background(), inhumePrm)
@@ -140,7 +139,7 @@ func TestShard_Lock(t *testing.T) {
 
 		// check that object has been removed
 
-		var getPrm shard.GetPrm
+		var getPrm GetPrm
 		getPrm.SetAddress(objectcore.AddressOf(obj))
 
 		_, err = sh.Get(context.Background(), getPrm)
@@ -160,7 +159,7 @@ func TestShard_IsLocked(t *testing.T) {
 
 	// put the object
 
-	var putPrm shard.PutPrm
+	var putPrm PutPrm
 	putPrm.SetObject(obj)
 
 	_, err := sh.Put(context.Background(), putPrm)

pkg/local_object_storage/shard/metrics_test.go

@@ -1,4 +1,4 @@
-package shard_test
+package shard
 
 import (
 	"context"
@@ -12,7 +12,6 @@ import (
 	"git.frostfs.info/TrueCloudLab/frostfs-node/pkg/local_object_storage/internal/testutil"
 	meta "git.frostfs.info/TrueCloudLab/frostfs-node/pkg/local_object_storage/metabase"
 	"git.frostfs.info/TrueCloudLab/frostfs-node/pkg/local_object_storage/pilorama"
-	"git.frostfs.info/TrueCloudLab/frostfs-node/pkg/local_object_storage/shard"
 	"git.frostfs.info/TrueCloudLab/frostfs-node/pkg/local_object_storage/shard/mode"
 	objectSDK "git.frostfs.info/TrueCloudLab/frostfs-sdk-go/object"
 	oid "git.frostfs.info/TrueCloudLab/frostfs-sdk-go/object/id"
@@ -126,9 +125,6 @@ func (m *metricsStore) DeleteShardMetrics() {
 	m.errCounter = 0
 }
 
-const physical = "phy"
-const logical = "logic"
-
 func TestCounters(t *testing.T) {
 	t.Parallel()
 
@@ -163,7 +159,7 @@ func TestCounters(t *testing.T) {
 		totalPayload += oSize
 	}
 
-	var prm shard.PutPrm
+	var prm PutPrm
 
 	for i := 0; i < objNumber; i++ {
 		prm.SetObject(oo[i])
@@ -178,7 +174,7 @@ func TestCounters(t *testing.T) {
 	require.Equal(t, totalPayload, mm.payloadSize())
 
 	t.Run("inhume_GC", func(t *testing.T) {
-		var prm shard.InhumePrm
+		var prm InhumePrm
 		inhumedNumber := objNumber / 4
 
 		for i := 0; i < inhumedNumber; i++ {
@@ -197,7 +193,7 @@ func TestCounters(t *testing.T) {
 	})
 
 	t.Run("inhume_TS", func(t *testing.T) {
-		var prm shard.InhumePrm
+		var prm InhumePrm
 		ts := objectcore.AddressOf(testutil.GenerateObject())
 
 		phy := mm.getObjectCounter(physical)
@@ -218,7 +214,7 @@ func TestCounters(t *testing.T) {
 	})
 
 	t.Run("Delete", func(t *testing.T) {
-		var prm shard.DeletePrm
+		var prm DeletePrm
 
 		phy := mm.getObjectCounter(physical)
 		logic := mm.getObjectCounter(logical)
@@ -244,7 +240,7 @@ func TestCounters(t *testing.T) {
 	})
 }
 
-func shardWithMetrics(t *testing.T, path string) (*shard.Shard, *metricsStore) {
+func shardWithMetrics(t *testing.T, path string) (*Shard, *metricsStore) {
 	blobOpts := []blobstor.Option{
 		blobstor.WithStorages([]blobstor.SubStorage{
 			{
@@ -264,14 +260,14 @@ func shardWithMetrics(t *testing.T, path string) (*shard.Shard, *metricsStore) {
 		cnrSize: make(map[string]int64),
 	}
 
-	sh := shard.New(
-		shard.WithID(shard.NewIDFromBytes([]byte{})),
-		shard.WithBlobStorOptions(blobOpts...),
-		shard.WithPiloramaOptions(pilorama.WithPath(filepath.Join(path, "pilorama"))),
-		shard.WithMetaBaseOptions(
+	sh := New(
+		WithID(NewIDFromBytes([]byte{})),
+		WithBlobStorOptions(blobOpts...),
+		WithPiloramaOptions(pilorama.WithPath(filepath.Join(path, "pilorama"))),
+		WithMetaBaseOptions(
 			meta.WithPath(filepath.Join(path, "meta")),
 			meta.WithEpochState(epochState{})),
-		shard.WithMetricsWriter(mm),
+		WithMetricsWriter(mm),
 	)
 	require.NoError(t, sh.Open())
 	require.NoError(t, sh.Init(context.Background()))

pkg/local_object_storage/shard/range_test.go

@@ -1,4 +1,4 @@
-package shard_test
+package shard
 
 import (
 	"context"
@@ -11,7 +11,6 @@ import (
 	"git.frostfs.info/TrueCloudLab/frostfs-node/pkg/local_object_storage/blobstor/blobovniczatree"
 	"git.frostfs.info/TrueCloudLab/frostfs-node/pkg/local_object_storage/blobstor/fstree"
 	"git.frostfs.info/TrueCloudLab/frostfs-node/pkg/local_object_storage/internal/testutil"
-	"git.frostfs.info/TrueCloudLab/frostfs-node/pkg/local_object_storage/shard"
 	writecacheconfig "git.frostfs.info/TrueCloudLab/frostfs-node/pkg/local_object_storage/writecache/config"
 	"git.frostfs.info/TrueCloudLab/frostfs-node/pkg/local_object_storage/writecache/writecachebbolt"
 	"git.frostfs.info/TrueCloudLab/frostfs-node/pkg/util/logger/test"
@@ -106,13 +105,13 @@ func testShardGetRange(t *testing.T, hasWriteCache bool) {
 			addr := object.AddressOf(obj)
 			payload := slice.Copy(obj.Payload())
 
-			var putPrm shard.PutPrm
+			var putPrm PutPrm
 			putPrm.SetObject(obj)
 
 			_, err := sh.Put(context.Background(), putPrm)
 			require.NoError(t, err)
 
-			var rngPrm shard.RngPrm
+			var rngPrm RngPrm
 			rngPrm.SetAddress(addr)
 			rngPrm.SetRange(tc.rng.GetOffset(), tc.rng.GetLength())
 

pkg/local_object_storage/shard/shard_test.go

@@ -1,4 +1,4 @@
-package shard_test
+package shard
 
 import (
 	"context"
@@ -11,7 +11,6 @@ import (
 	"git.frostfs.info/TrueCloudLab/frostfs-node/pkg/local_object_storage/blobstor/fstree"
 	meta "git.frostfs.info/TrueCloudLab/frostfs-node/pkg/local_object_storage/metabase"
 	"git.frostfs.info/TrueCloudLab/frostfs-node/pkg/local_object_storage/pilorama"
-	"git.frostfs.info/TrueCloudLab/frostfs-node/pkg/local_object_storage/shard"
 	writecacheconfig "git.frostfs.info/TrueCloudLab/frostfs-node/pkg/local_object_storage/writecache/config"
 	"git.frostfs.info/TrueCloudLab/frostfs-node/pkg/local_object_storage/writecache/writecachebadger"
 	"git.frostfs.info/TrueCloudLab/frostfs-node/pkg/local_object_storage/writecache/writecachebbolt"
@@ -31,15 +30,15 @@ func (s epochState) CurrentEpoch() uint64 {
 	return s.Value
 }
 
-func newShard(t testing.TB, enableWriteCache bool) *shard.Shard {
+func newShard(t testing.TB, enableWriteCache bool) *Shard {
 	return newCustomShard(t, t.TempDir(), enableWriteCache,
 		writecacheconfig.Options{Type: writecacheconfig.TypeBBolt},
 		nil,
 		nil)
 }
 
-func newCustomShard(t testing.TB, rootPath string, enableWriteCache bool, wcOpts writecacheconfig.Options, bsOpts []blobstor.Option, metaOptions []meta.Option) *shard.Shard {
-	var sh *shard.Shard
+func newCustomShard(t testing.TB, rootPath string, enableWriteCache bool, wcOpts writecacheconfig.Options, bsOpts []blobstor.Option, metaOptions []meta.Option) *Shard {
+	var sh *Shard
 	if enableWriteCache {
 		rootPath = filepath.Join(rootPath, "wc")
 		switch wcOpts.Type {
@@ -78,33 +77,33 @@ func newCustomShard(t testing.TB, rootPath string, enableWriteCache bool, wcOpts
 		}
 	}
 
-	opts := []shard.Option{
-		shard.WithID(shard.NewIDFromBytes([]byte{})),
-		shard.WithLogger(test.NewLogger(t, true)),
-		shard.WithBlobStorOptions(bsOpts...),
-		shard.WithMetaBaseOptions(
+	opts := []Option{
+		WithID(NewIDFromBytes([]byte{})),
+		WithLogger(test.NewLogger(t, true)),
+		WithBlobStorOptions(bsOpts...),
+		WithMetaBaseOptions(
 			append([]meta.Option{
 				meta.WithPath(filepath.Join(rootPath, "meta")), meta.WithEpochState(epochState{})},
 				metaOptions...)...,
 		),
-		shard.WithPiloramaOptions(pilorama.WithPath(filepath.Join(rootPath, "pilorama"))),
-		shard.WithWriteCache(enableWriteCache),
-		shard.WithWriteCacheOptions(wcOpts),
-		shard.WithDeletedLockCallback(func(_ context.Context, addresses []oid.Address) {
+		WithPiloramaOptions(pilorama.WithPath(filepath.Join(rootPath, "pilorama"))),
+		WithWriteCache(enableWriteCache),
+		WithWriteCacheOptions(wcOpts),
+		WithDeletedLockCallback(func(_ context.Context, addresses []oid.Address) {
 			sh.HandleDeletedLocks(addresses)
 		}),
-		shard.WithExpiredLocksCallback(func(ctx context.Context, epoch uint64, a []oid.Address) {
+		WithExpiredLocksCallback(func(ctx context.Context, epoch uint64, a []oid.Address) {
 			sh.HandleExpiredLocks(ctx, epoch, a)
 		}),
-		shard.WithGCWorkerPoolInitializer(func(sz int) util.WorkerPool {
+		WithGCWorkerPoolInitializer(func(sz int) util.WorkerPool {
 			pool, err := ants.NewPool(sz)
 			require.NoError(t, err)
 			return pool
 		}),
-		shard.WithGCRemoverSleepInterval(100 * time.Millisecond),
+		WithGCRemoverSleepInterval(100 * time.Millisecond),
 	}
 
-	sh = shard.New(opts...)
+	sh = New(opts...)
 
 	require.NoError(t, sh.Open())
 	require.NoError(t, sh.Init(context.Background()))
@@ -112,6 +111,6 @@ func newCustomShard(t testing.TB, rootPath string, enableWriteCache bool, wcOpts
 	return sh
 }
 
-func releaseShard(s *shard.Shard, t testing.TB) {
+func releaseShard(s *Shard, t testing.TB) {
 	require.NoError(t, s.Close())
 }

pkg/local_object_storage/shard/shutdown_test.go

@@ -1,4 +1,4 @@
-package shard_test
+package shard
 
 import (
 	"context"
@@ -7,7 +7,6 @@ import (
 
 	"git.frostfs.info/TrueCloudLab/frostfs-node/pkg/core/object"
 	"git.frostfs.info/TrueCloudLab/frostfs-node/pkg/local_object_storage/internal/testutil"
-	"git.frostfs.info/TrueCloudLab/frostfs-node/pkg/local_object_storage/shard"
 	writecacheconfig "git.frostfs.info/TrueCloudLab/frostfs-node/pkg/local_object_storage/writecache/config"
 	"git.frostfs.info/TrueCloudLab/frostfs-node/pkg/local_object_storage/writecache/writecachebbolt"
 	cidtest "git.frostfs.info/TrueCloudLab/frostfs-sdk-go/container/id/test"
@@ -50,7 +49,7 @@ func TestWriteCacheObjectLoss(t *testing.T) {
 	for i := range objects {
 		obj := objects[i]
 		errG.Go(func() error {
-			var putPrm shard.PutPrm
+			var putPrm PutPrm
 			putPrm.SetObject(obj)
 			_, err := sh.Put(context.Background(), putPrm)
 			return err
@@ -62,7 +61,7 @@ func TestWriteCacheObjectLoss(t *testing.T) {
 	sh = newCustomShard(t, dir, true, wcOpts, nil, nil)
 	defer releaseShard(sh, t)
 
-	var getPrm shard.GetPrm
+	var getPrm GetPrm
 
 	for i := range objects {
 		getPrm.SetAddress(object.AddressOf(objects[i]))