[#570] *: Use generator of test container IDs from API Go lib

Signed-off-by: Leonard Lyubich <leonard@nspcc.ru>

pkg/core/object/fmt_test.go

@@ -8,7 +8,7 @@ import (
 	"strconv"
 	"testing"
 
-	cid "github.com/nspcc-dev/neofs-api-go/pkg/container/id"
+	cidtest "github.com/nspcc-dev/neofs-api-go/pkg/container/id/test"
 	"github.com/nspcc-dev/neofs-api-go/pkg/object"
 	"github.com/nspcc-dev/neofs-api-go/pkg/owner"
 	"github.com/nspcc-dev/neofs-api-go/pkg/session"
@@ -28,13 +28,6 @@ func testSHA(t *testing.T) [sha256.Size]byte {
 	return cs
 }
 
-func testContainerID(t *testing.T) *cid.ID {
-	id := cid.New()
-	id.SetSHA256(testSHA(t))
-
-	return id
-}
-
 func testObjectID(t *testing.T) *object.ID {
 	id := object.NewID()
 	id.SetSHA256(testSHA(t))
@@ -50,7 +43,7 @@ func blankValidObject(t *testing.T, key *ecdsa.PrivateKey) *RawObject {
 	ownerID.SetNeo3Wallet(wallet)
 
 	obj := NewRaw()
-	obj.SetContainerID(testContainerID(t))
+	obj.SetContainerID(cidtest.Generate())
 	obj.SetOwnerID(ownerID)
 
 	return obj
@@ -94,7 +87,7 @@ func TestFormatValidator_Validate(t *testing.T) {
 
 	t.Run("unsigned object", func(t *testing.T) {
 		obj := NewRaw()
-		obj.SetContainerID(testContainerID(t))
+		obj.SetContainerID(cidtest.Generate())
 		obj.SetID(testObjectID(t))
 
 		require.Error(t, v.Validate(obj.Object()))
@@ -105,7 +98,7 @@ func TestFormatValidator_Validate(t *testing.T) {
 		tok.SetSessionKey(crypto.MarshalPublicKey(&ownerKey.PublicKey))
 
 		obj := NewRaw()
-		obj.SetContainerID(testContainerID(t))
+		obj.SetContainerID(cidtest.Generate())
 		obj.SetSessionToken(tok)
 
 		require.NoError(t, object.SetIDWithSignature(ownerKey, obj.SDK()))

pkg/innerring/processors/audit/scheduler_test.go

@@ -1,11 +1,10 @@
 package audit_test
 
 import (
-	"crypto/rand"
-	"crypto/sha256"
 	"testing"
 
 	cid "github.com/nspcc-dev/neofs-api-go/pkg/container/id"
+	cidtest "github.com/nspcc-dev/neofs-api-go/pkg/container/id/test"
 	"github.com/nspcc-dev/neofs-node/pkg/innerring/processors/audit"
 	"github.com/stretchr/testify/require"
 )
@@ -77,16 +76,10 @@ func TestSelect(t *testing.T) {
 }
 
 func generateContainers(n int) []*cid.ID {
-	var buf [sha256.Size]byte
 	result := make([]*cid.ID, 0, n)
 
 	for i := 0; i < n; i++ {
-		_, _ = rand.Read(buf[:])
-
-		id := cid.New()
-		id.SetSHA256(buf)
-
-		result = append(result, id)
+		result = append(result, cidtest.Generate())
 	}
 
 	return result

pkg/local_object_storage/blobovnicza/blobovnicza_test.go

@@ -7,7 +7,7 @@ import (
 	"os"
 	"testing"
 
-	cid "github.com/nspcc-dev/neofs-api-go/pkg/container/id"
+	cidtest "github.com/nspcc-dev/neofs-api-go/pkg/container/id/test"
 	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"
@@ -21,15 +21,12 @@ func testSHA256() (h [sha256.Size]byte) {
 }
 
 func testAddress() *objectSDK.Address {
-	id := cid.New()
-	id.SetSHA256(testSHA256())
-
 	oid := objectSDK.NewID()
 	oid.SetSHA256(testSHA256())
 
 	addr := objectSDK.NewAddress()
 	addr.SetObjectID(oid)
-	addr.SetContainerID(id)
+	addr.SetContainerID(cidtest.Generate())
 
 	return addr
 }

pkg/local_object_storage/blobstor/blobovnicza_test.go

@@ -7,7 +7,7 @@ import (
 	"os"
 	"testing"
 
-	cid "github.com/nspcc-dev/neofs-api-go/pkg/container/id"
+	cidtest "github.com/nspcc-dev/neofs-api-go/pkg/container/id/test"
 	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"
@@ -21,15 +21,12 @@ func testSHA256() (h [sha256.Size]byte) {
 }
 
 func testAddress() *objectSDK.Address {
-	id := cid.New()
-	id.SetSHA256(testSHA256())
-
 	oid := objectSDK.NewID()
 	oid.SetSHA256(testSHA256())
 
 	addr := objectSDK.NewAddress()
 	addr.SetObjectID(oid)
-	addr.SetContainerID(id)
+	addr.SetContainerID(cidtest.Generate())
 
 	return addr
 }

pkg/local_object_storage/blobstor/fstree/fstree_test.go

@@ -8,21 +8,11 @@ import (
 	"path"
 	"testing"
 
-	cid "github.com/nspcc-dev/neofs-api-go/pkg/container/id"
+	cidtest "github.com/nspcc-dev/neofs-api-go/pkg/container/id/test"
 	objectSDK "github.com/nspcc-dev/neofs-api-go/pkg/object"
 	"github.com/stretchr/testify/require"
 )
 
-func testCID() *cid.ID {
-	cs := [sha256.Size]byte{}
-	_, _ = rand.Read(cs[:])
-
-	id := cid.New()
-	id.SetSHA256(cs)
-
-	return id
-}
-
 func testOID() *objectSDK.ID {
 	cs := [sha256.Size]byte{}
 	_, _ = rand.Read(cs[:])
@@ -36,7 +26,7 @@ func testOID() *objectSDK.ID {
 func testAddress() *objectSDK.Address {
 	a := objectSDK.NewAddress()
 	a.SetObjectID(testOID())
-	a.SetContainerID(testCID())
+	a.SetContainerID(cidtest.Generate())
 
 	return a
 }

pkg/local_object_storage/engine/engine_test.go

@@ -61,16 +61,6 @@ func testNewShard(t *testing.T, id int) *shard.Shard {
 	return s
 }
 
-func testCID() *cid.ID {
-	cs := [sha256.Size]byte{}
-	_, _ = rand.Read(cs[:])
-
-	id := cid.New()
-	id.SetSHA256(cs)
-
-	return id
-}
-
 func testOID() *objectSDK.ID {
 	cs := [sha256.Size]byte{}
 	_, _ = rand.Read(cs[:])

pkg/local_object_storage/engine/head_test.go

@@ -4,6 +4,7 @@ import (
 	"os"
 	"testing"
 
+	cidtest "github.com/nspcc-dev/neofs-api-go/pkg/container/id/test"
 	objectSDK "github.com/nspcc-dev/neofs-api-go/pkg/object"
 	"github.com/nspcc-dev/neofs-node/pkg/local_object_storage/shard"
 	"github.com/stretchr/testify/require"
@@ -12,7 +13,7 @@ import (
 func TestHeadRaw(t *testing.T) {
 	defer os.RemoveAll(t.Name())
 
-	cid := testCID()
+	cid := cidtest.Generate()
 	splitID := objectSDK.NewSplitID()
 
 	parent := generateRawObjectWithCID(t, cid)

pkg/local_object_storage/engine/inhume_test.go

@@ -4,6 +4,7 @@ import (
 	"os"
 	"testing"
 
+	cidtest "github.com/nspcc-dev/neofs-api-go/pkg/container/id/test"
 	objectSDK "github.com/nspcc-dev/neofs-api-go/pkg/object"
 	"github.com/nspcc-dev/neofs-node/pkg/local_object_storage/shard"
 	"github.com/stretchr/testify/require"
@@ -12,7 +13,7 @@ import (
 func TestStorageEngine_Inhume(t *testing.T) {
 	defer os.RemoveAll(t.Name())
 
-	cid := testCID()
+	cid := cidtest.Generate()
 	splitID := objectSDK.NewSplitID()
 
 	fs := objectSDK.SearchFilters{}

pkg/local_object_storage/metabase/containers_test.go

@@ -5,6 +5,7 @@ import (
 	"testing"
 
 	cid "github.com/nspcc-dev/neofs-api-go/pkg/container/id"
+	cidtest "github.com/nspcc-dev/neofs-api-go/pkg/container/id/test"
 	"github.com/nspcc-dev/neofs-node/pkg/core/object"
 	meta "github.com/nspcc-dev/neofs-node/pkg/local_object_storage/metabase"
 	"github.com/stretchr/testify/require"
@@ -84,7 +85,7 @@ func TestDB_ContainerSize(t *testing.T) {
 	objs := make(map[*cid.ID][]*object.RawObject, C*N)
 
 	for i := 0; i < C; i++ {
-		cid := testCID()
+		cid := cidtest.Generate()
 		cids[cid] = 0
 
 		for j := 0; j < N; j++ {

pkg/local_object_storage/metabase/db_test.go

@@ -8,6 +8,7 @@ import (
 
 	"github.com/nspcc-dev/neofs-api-go/pkg"
 	cid "github.com/nspcc-dev/neofs-api-go/pkg/container/id"
+	cidtest "github.com/nspcc-dev/neofs-api-go/pkg/container/id/test"
 	objectSDK "github.com/nspcc-dev/neofs-api-go/pkg/object"
 	"github.com/nspcc-dev/neofs-api-go/pkg/owner"
 	"github.com/nspcc-dev/neofs-node/pkg/core/object"
@@ -32,16 +33,6 @@ func testSelect(t *testing.T, db *meta.DB, cid *cid.ID, fs objectSDK.SearchFilte
 	}
 }
 
-func testCID() *cid.ID {
-	cs := [sha256.Size]byte{}
-	_, _ = rand.Read(cs[:])
-
-	id := cid.New()
-	id.SetSHA256(cs)
-
-	return id
-}
-
 func testOID() *objectSDK.ID {
 	cs := [sha256.Size]byte{}
 	_, _ = rand.Read(cs[:])
@@ -68,7 +59,7 @@ func releaseDB(db *meta.DB) {
 }
 
 func generateRawObject(t *testing.T) *object.RawObject {
-	return generateRawObjectWithCID(t, testCID())
+	return generateRawObjectWithCID(t, cidtest.Generate())
 }
 
 func generateRawObjectWithCID(t *testing.T, cid *cid.ID) *object.RawObject {
@@ -102,7 +93,7 @@ func generateRawObjectWithCID(t *testing.T, cid *cid.ID) *object.RawObject {
 
 func generateAddress() *objectSDK.Address {
 	addr := objectSDK.NewAddress()
-	addr.SetContainerID(testCID())
+	addr.SetContainerID(cidtest.Generate())
 	addr.SetObjectID(testOID())
 
 	return addr

pkg/local_object_storage/metabase/delete_test.go

@@ -4,6 +4,7 @@ import (
 	"errors"
 	"testing"
 
+	cidtest "github.com/nspcc-dev/neofs-api-go/pkg/container/id/test"
 	objectSDK "github.com/nspcc-dev/neofs-api-go/pkg/object"
 	meta "github.com/nspcc-dev/neofs-node/pkg/local_object_storage/metabase"
 	"github.com/stretchr/testify/require"
@@ -13,7 +14,7 @@ func TestDB_Delete(t *testing.T) {
 	db := newDB(t)
 	defer releaseDB(db)
 
-	cid := testCID()
+	cid := cidtest.Generate()
 	parent := generateRawObjectWithCID(t, cid)
 	addAttribute(parent, "foo", "bar")
 
@@ -70,7 +71,7 @@ func TestDeleteAllChildren(t *testing.T) {
 	db := newDB(t)
 	defer releaseDB(db)
 
-	cid := testCID()
+	cid := cidtest.Generate()
 
 	// generate parent object
 	parent := generateRawObjectWithCID(t, cid)

pkg/local_object_storage/metabase/exists_test.go

@@ -4,6 +4,7 @@ import (
 	"errors"
 	"testing"
 
+	cidtest "github.com/nspcc-dev/neofs-api-go/pkg/container/id/test"
 	objectSDK "github.com/nspcc-dev/neofs-api-go/pkg/object"
 	meta "github.com/nspcc-dev/neofs-node/pkg/local_object_storage/metabase"
 	"github.com/stretchr/testify/require"
@@ -55,7 +56,7 @@ func TestDB_Exists(t *testing.T) {
 	})
 
 	t.Run("virtual object", func(t *testing.T) {
-		cid := testCID()
+		cid := cidtest.Generate()
 		parent := generateRawObjectWithCID(t, cid)
 
 		child := generateRawObjectWithCID(t, cid)
@@ -72,7 +73,7 @@ func TestDB_Exists(t *testing.T) {
 	})
 
 	t.Run("merge split info", func(t *testing.T) {
-		cid := testCID()
+		cid := cidtest.Generate()
 		splitID := objectSDK.NewSplitID()
 
 		parent := generateRawObjectWithCID(t, cid)

pkg/local_object_storage/metabase/get_test.go

@@ -4,6 +4,7 @@ import (
 	"bytes"
 	"testing"
 
+	cidtest "github.com/nspcc-dev/neofs-api-go/pkg/container/id/test"
 	objectSDK "github.com/nspcc-dev/neofs-api-go/pkg/object"
 	"github.com/nspcc-dev/neofs-node/pkg/core/object"
 	meta "github.com/nspcc-dev/neofs-node/pkg/local_object_storage/metabase"
@@ -59,7 +60,7 @@ func TestDB_Get(t *testing.T) {
 	})
 
 	t.Run("put virtual object", func(t *testing.T) {
-		cid := testCID()
+		cid := cidtest.Generate()
 		splitID := objectSDK.NewSplitID()
 
 		parent := generateRawObjectWithCID(t, cid)

pkg/local_object_storage/metabase/select_test.go

@@ -5,6 +5,7 @@ import (
 	"testing"
 
 	"github.com/nspcc-dev/neofs-api-go/pkg"
+	cidtest "github.com/nspcc-dev/neofs-api-go/pkg/container/id/test"
 	objectSDK "github.com/nspcc-dev/neofs-api-go/pkg/object"
 	v2object "github.com/nspcc-dev/neofs-api-go/v2/object"
 	meta "github.com/nspcc-dev/neofs-node/pkg/local_object_storage/metabase"
@@ -15,7 +16,7 @@ func TestDB_SelectUserAttributes(t *testing.T) {
 	db := newDB(t)
 	defer releaseDB(db)
 
-	cid := testCID()
+	cid := cidtest.Generate()
 
 	raw1 := generateRawObjectWithCID(t, cid)
 	addAttribute(raw1, "foo", "bar")
@@ -88,7 +89,7 @@ func TestDB_SelectRootPhyParent(t *testing.T) {
 	db := newDB(t)
 	defer releaseDB(db)
 
-	cid := testCID()
+	cid := cidtest.Generate()
 
 	// prepare
 
@@ -256,7 +257,7 @@ func TestDB_SelectInhume(t *testing.T) {
 	db := newDB(t)
 	defer releaseDB(db)
 
-	cid := testCID()
+	cid := cidtest.Generate()
 
 	raw1 := generateRawObjectWithCID(t, cid)
 	err := putBig(db, raw1.Object())
@@ -289,7 +290,7 @@ func TestDB_SelectPayloadHash(t *testing.T) {
 	db := newDB(t)
 	defer releaseDB(db)
 
-	cid := testCID()
+	cid := cidtest.Generate()
 
 	raw1 := generateRawObjectWithCID(t, cid)
 	err := putBig(db, raw1.Object())
@@ -325,7 +326,7 @@ func TestDB_SelectWithSlowFilters(t *testing.T) {
 	db := newDB(t)
 	defer releaseDB(db)
 
-	cid := testCID()
+	cid := cidtest.Generate()
 
 	v20 := new(pkg.Version)
 	v20.SetMajor(2)
@@ -424,7 +425,7 @@ func TestDB_SelectObjectID(t *testing.T) {
 	db := newDB(t)
 	defer releaseDB(db)
 
-	cid := testCID()
+	cid := cidtest.Generate()
 
 	// prepare
 
@@ -533,7 +534,7 @@ func TestDB_SelectSplitID(t *testing.T) {
 	db := newDB(t)
 	defer releaseDB(db)
 
-	cid := testCID()
+	cid := cidtest.Generate()
 
 	child1 := generateRawObjectWithCID(t, cid)
 	child2 := generateRawObjectWithCID(t, cid)
@@ -588,7 +589,7 @@ func TestDB_SelectContainerID(t *testing.T) {
 	db := newDB(t)
 	defer releaseDB(db)
 
-	cid := testCID()
+	cid := cidtest.Generate()
 
 	obj1 := generateRawObjectWithCID(t, cid)
 	err := putBig(db, obj1.Object())
@@ -622,7 +623,7 @@ func TestDB_SelectContainerID(t *testing.T) {
 	})
 
 	t.Run("not same cid", func(t *testing.T) {
-		newCID := testCID()
+		newCID := cidtest.Generate()
 
 		fs := objectSDK.SearchFilters{}
 		fs.AddObjectContainerIDFilter(objectSDK.MatchStringEqual, newCID)

pkg/local_object_storage/shard/delete_test.go

@@ -3,6 +3,7 @@ package shard_test
 import (
 	"testing"
 
+	cidtest "github.com/nspcc-dev/neofs-api-go/pkg/container/id/test"
 	"github.com/nspcc-dev/neofs-node/pkg/core/object"
 	"github.com/nspcc-dev/neofs-node/pkg/local_object_storage/shard"
 	"github.com/stretchr/testify/require"
@@ -22,7 +23,7 @@ func testShardDelete(t *testing.T, hasWriteCache bool) {
 	sh := newShard(t, hasWriteCache)
 	defer releaseShard(sh, t)
 
-	cid := generateCID()
+	cid := cidtest.Generate()
 
 	obj := generateRawObjectWithCID(t, cid)
 	addAttribute(obj, "foo", "bar")

pkg/local_object_storage/shard/get_test.go

@@ -6,6 +6,7 @@ import (
 	"testing"
 	"time"
 
+	cidtest "github.com/nspcc-dev/neofs-api-go/pkg/container/id/test"
 	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/local_object_storage/shard"
@@ -67,7 +68,7 @@ func testShardGet(t *testing.T, hasWriteCache bool) {
 	t.Run("parent object", func(t *testing.T) {
 		obj := generateRawObject(t)
 		addAttribute(obj, "foo", "bar")
-		cid := generateCID()
+		cid := cidtest.Generate()
 		splitID := objectSDK.NewSplitID()
 
 		parent := generateRawObjectWithCID(t, cid)

pkg/local_object_storage/shard/head_test.go

@@ -5,6 +5,7 @@ import (
 	"testing"
 	"time"
 
+	cidtest "github.com/nspcc-dev/neofs-api-go/pkg/container/id/test"
 	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/local_object_storage/shard"
@@ -45,7 +46,7 @@ func testShardHead(t *testing.T, hasWriteCache bool) {
 	})
 
 	t.Run("virtual object", func(t *testing.T) {
-		cid := generateCID()
+		cid := cidtest.Generate()
 		splitID := objectSDK.NewSplitID()
 
 		parent := generateRawObjectWithCID(t, cid)

pkg/local_object_storage/shard/inhume_test.go

@@ -3,6 +3,7 @@ package shard_test
 import (
 	"testing"
 
+	cidtest "github.com/nspcc-dev/neofs-api-go/pkg/container/id/test"
 	"github.com/nspcc-dev/neofs-node/pkg/core/object"
 	"github.com/nspcc-dev/neofs-node/pkg/local_object_storage/shard"
 	"github.com/stretchr/testify/require"
@@ -22,7 +23,7 @@ func testShardInhume(t *testing.T, hasWriteCache bool) {
 	sh := newShard(t, hasWriteCache)
 	defer releaseShard(sh, t)
 
-	cid := generateCID()
+	cid := cidtest.Generate()
 
 	obj := generateRawObjectWithCID(t, cid)
 	addAttribute(obj, "foo", "bar")

pkg/local_object_storage/shard/list_test.go

@@ -3,6 +3,7 @@ package shard_test
 import (
 	"testing"
 
+	cidtest "github.com/nspcc-dev/neofs-api-go/pkg/container/id/test"
 	"github.com/nspcc-dev/neofs-node/pkg/local_object_storage/shard"
 	"github.com/stretchr/testify/require"
 )
@@ -33,7 +34,7 @@ func testShardList(t *testing.T, sh *shard.Shard) {
 	putPrm := new(shard.PutPrm)
 
 	for i := 0; i < C; i++ {
-		cid := generateCID()
+		cid := cidtest.Generate()
 
 		for j := 0; j < N; j++ {
 			obj := generateRawObjectWithCID(t, cid)

pkg/local_object_storage/shard/shard_test.go

@@ -9,6 +9,7 @@ import (
 
 	"github.com/nspcc-dev/neofs-api-go/pkg"
 	cid "github.com/nspcc-dev/neofs-api-go/pkg/container/id"
+	cidtest "github.com/nspcc-dev/neofs-api-go/pkg/container/id/test"
 	objectSDK "github.com/nspcc-dev/neofs-api-go/pkg/object"
 	"github.com/nspcc-dev/neofs-api-go/pkg/owner"
 	"github.com/nspcc-dev/neofs-node/pkg/core/object"
@@ -61,7 +62,7 @@ func releaseShard(s *shard.Shard, t testing.TB) {
 }
 
 func generateRawObject(t *testing.T) *object.RawObject {
-	return generateRawObjectWithCID(t, generateCID())
+	return generateRawObjectWithCID(t, cidtest.Generate())
 }
 
 func generateRawObjectWithCID(t *testing.T, cid *cid.ID) *object.RawObject {
@@ -110,16 +111,6 @@ func addPayload(obj *object.RawObject, size int) {
 	obj.SetPayloadSize(uint64(size))
 }
 
-func generateCID() *cid.ID {
-	cs := [sha256.Size]byte{}
-	_, _ = rand.Read(cs[:])
-
-	id := cid.New()
-	id.SetSHA256(cs)
-
-	return id
-}
-
 func generateOID() *objectSDK.ID {
 	cs := [sha256.Size]byte{}
 	_, _ = rand.Read(cs[:])

pkg/morph/client/audit/wrapper/result_test.go

@@ -1,13 +1,12 @@
 package audit_test
 
 import (
-	"crypto/sha256"
 	"testing"
 	"time"
 
 	"github.com/nspcc-dev/neo-go/pkg/util"
 	auditAPI "github.com/nspcc-dev/neofs-api-go/pkg/audit"
-	cid "github.com/nspcc-dev/neofs-api-go/pkg/container/id"
+	cidtest "github.com/nspcc-dev/neofs-api-go/pkg/container/id/test"
 	crypto "github.com/nspcc-dev/neofs-crypto"
 	"github.com/nspcc-dev/neofs-node/pkg/morph/client"
 	auditWrapper "github.com/nspcc-dev/neofs-node/pkg/morph/client/audit/wrapper"
@@ -36,8 +35,7 @@ func TestAuditResults(t *testing.T) {
 	auditClientWrapper, err := auditWrapper.NewFromMorph(morphClient, auditHash, 0)
 	require.NoError(t, err)
 
-	id := cid.New()
-	id.SetSHA256([sha256.Size]byte{1, 2, 3})
+	id := cidtest.Generate()
 
 	auditRes := auditAPI.NewResult()
 	auditRes.SetAuditEpoch(epoch)

pkg/services/container/announcement/load/controller/calls_test.go

@@ -2,13 +2,12 @@ package loadcontroller_test
 
 import (
 	"context"
-	"crypto/sha256"
 	"math/rand"
 	"sync"
 	"testing"
 
 	"github.com/nspcc-dev/neofs-api-go/pkg/container"
-	cid "github.com/nspcc-dev/neofs-api-go/pkg/container/id"
+	cidtest "github.com/nspcc-dev/neofs-api-go/pkg/container/id/test"
 	loadcontroller "github.com/nspcc-dev/neofs-node/pkg/services/container/announcement/load/controller"
 	"github.com/stretchr/testify/require"
 )
@@ -74,20 +73,9 @@ func (s *testAnnouncementStorage) Close() error {
 	return nil
 }
 
-func randCID() *cid.ID {
-	h := [sha256.Size]byte{}
-
-	rand.Read(h[:])
-
-	id := cid.New()
-	id.SetSHA256(h)
-
-	return id
-}
-
 func randAnnouncement() container.UsedSpaceAnnouncement {
 	a := container.NewAnnouncement()
-	a.SetContainerID(randCID())
+	a.SetContainerID(cidtest.Generate())
 	a.SetUsedSpace(rand.Uint64())
 
 	return *a

pkg/services/container/announcement/load/storage/storage_test.go

@@ -1,31 +1,19 @@
 package loadstorage
 
 import (
-	"crypto/sha256"
 	"math/rand"
 	"testing"
 
 	"github.com/nspcc-dev/neofs-api-go/pkg/container"
-	cid "github.com/nspcc-dev/neofs-api-go/pkg/container/id"
+	cidtest "github.com/nspcc-dev/neofs-api-go/pkg/container/id/test"
 	"github.com/stretchr/testify/require"
 )
 
-func randCID() *cid.ID {
-	h := [sha256.Size]byte{}
-
-	rand.Read(h[:])
-
-	id := cid.New()
-	id.SetSHA256(h)
-
-	return id
-}
-
 func TestStorage(t *testing.T) {
 	const epoch uint64 = 13
 
 	a := container.NewAnnouncement()
-	a.SetContainerID(randCID())
+	a.SetContainerID(cidtest.Generate())
 	a.SetEpoch(epoch)
 
 	const opinionsNum = 100

pkg/services/object/acl/eacl/v2/eacl_test.go

@@ -7,6 +7,7 @@ import (
 
 	"github.com/nspcc-dev/neofs-api-go/pkg/acl/eacl"
 	cid "github.com/nspcc-dev/neofs-api-go/pkg/container/id"
+	cidtest "github.com/nspcc-dev/neofs-api-go/pkg/container/id/test"
 	objectSDK "github.com/nspcc-dev/neofs-api-go/pkg/object"
 	objectV2 "github.com/nspcc-dev/neofs-api-go/v2/object"
 	"github.com/nspcc-dev/neofs-api-go/v2/session"
@@ -57,22 +58,10 @@ func testID(t *testing.T) *objectSDK.ID {
 	return id
 }
 
-func testCID(t *testing.T) *cid.ID {
-	cs := [sha256.Size]byte{}
-
-	_, err := rand.Read(cs[:])
-	require.NoError(t, err)
-
-	id := cid.New()
-	id.SetSHA256(cs)
-
-	return id
-}
-
 func testAddress(t *testing.T) *objectSDK.Address {
 	addr := objectSDK.NewAddress()
 	addr.SetObjectID(testID(t))
-	addr.SetContainerID(testCID(t))
+	addr.SetContainerID(cidtest.Generate())
 
 	return addr
 }

pkg/services/object/get/get_test.go

@@ -11,6 +11,7 @@ import (
 
 	"github.com/nspcc-dev/neofs-api-go/pkg/container"
 	cid "github.com/nspcc-dev/neofs-api-go/pkg/container/id"
+	cidtest "github.com/nspcc-dev/neofs-api-go/pkg/container/id/test"
 	"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"
@@ -192,10 +193,7 @@ func generateAddress() *objectSDK.Address {
 	addr := objectSDK.NewAddress()
 	addr.SetObjectID(generateID())
 
-	id := cid.New()
-	id.SetSHA256(testSHA256())
-
-	addr.SetContainerID(id)
+	addr.SetContainerID(cidtest.Generate())
 
 	return addr
 }

pkg/services/object/search/search_test.go

@@ -11,6 +11,7 @@ import (
 
 	"github.com/nspcc-dev/neofs-api-go/pkg/container"
 	cid "github.com/nspcc-dev/neofs-api-go/pkg/container/id"
+	cidtest "github.com/nspcc-dev/neofs-api-go/pkg/container/id/test"
 	"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/network"
@@ -127,13 +128,6 @@ func testSHA256() (cs [sha256.Size]byte) {
 	return cs
 }
 
-func generateCID() *cid.ID {
-	id := cid.New()
-	id.SetSHA256(testSHA256())
-
-	return id
-}
-
 func generateIDs(num int) []*objectSDK.ID {
 	res := make([]*objectSDK.ID, num)
 
@@ -169,7 +163,7 @@ func TestGetLocalOnly(t *testing.T) {
 		storage := newTestStorage()
 		svc := newSvc(storage)
 
-		cid := generateCID()
+		cid := cidtest.Generate()
 		ids := generateIDs(10)
 		storage.addResult(cid, ids, nil)
 
@@ -185,7 +179,7 @@ func TestGetLocalOnly(t *testing.T) {
 		storage := newTestStorage()
 		svc := newSvc(storage)
 
-		cid := generateCID()
+		cid := cidtest.Generate()
 		testErr := errors.New("any error")
 		storage.addResult(cid, nil, testErr)