Add stable marshal for refs package

Signed-off-by: Alex Vanin <alexey@nspcc.ru>

v2/refs/marshal_test.go

@@ -0,0 +1,89 @@
+package refs_test
+
+import (
+	"testing"
+
+	"github.com/nspcc-dev/neofs-api-go/v2/refs"
+	grpc "github.com/nspcc-dev/neofs-api-go/v2/refs/grpc"
+	"github.com/stretchr/testify/require"
+)
+
+func TestOwnerID_StableMarshal(t *testing.T) {
+	ownerFrom := new(refs.OwnerID)
+	ownerTransport := new(grpc.OwnerID)
+
+	t.Run("non empty", func(t *testing.T) {
+		ownerFrom.SetValue([]byte("Owner ID"))
+
+		wire, err := ownerFrom.StableMarshal(nil)
+		require.NoError(t, err)
+
+		err = ownerTransport.Unmarshal(wire)
+		require.NoError(t, err)
+
+		ownerTo := refs.OwnerIDFromGRPCMessage(ownerTransport)
+		require.Equal(t, ownerFrom, ownerTo)
+	})
+}
+
+func TestContainerID_StableMarshal(t *testing.T) {
+	cnrFrom := new(refs.ContainerID)
+	cnrTransport := new(grpc.ContainerID)
+
+	t.Run("non empty", func(t *testing.T) {
+		cnrFrom.SetValue([]byte("Container ID"))
+
+		wire, err := cnrFrom.StableMarshal(nil)
+		require.NoError(t, err)
+
+		err = cnrTransport.Unmarshal(wire)
+		require.NoError(t, err)
+
+		cnrTo := refs.ContainerIDFromGRPCMessage(cnrTransport)
+		require.Equal(t, cnrFrom, cnrTo)
+	})
+}
+
+func TestObjectID_StableMarshal(t *testing.T) {
+	objectIDFrom := new(refs.ObjectID)
+	objectIDTransport := new(grpc.ObjectID)
+
+	t.Run("non empty", func(t *testing.T) {
+		objectIDFrom.SetValue([]byte("Object ID"))
+
+		wire, err := objectIDFrom.StableMarshal(nil)
+		require.NoError(t, err)
+
+		err = objectIDTransport.Unmarshal(wire)
+		require.NoError(t, err)
+
+		objectIDTo := refs.ObjectIDFromGRPCMessage(objectIDTransport)
+		require.Equal(t, objectIDFrom, objectIDTo)
+	})
+}
+
+func TestAddress_StableMarshal(t *testing.T) {
+	addressFrom := new(refs.Address)
+
+	cnr := new(refs.ContainerID)
+	cnr.SetValue([]byte("Container ID"))
+
+	objectID := new(refs.ObjectID)
+	objectID.SetValue([]byte("Object ID"))
+
+	addressTransport := new(grpc.Address)
+
+	t.Run("non empty", func(t *testing.T) {
+		addressFrom.SetContainerID(cnr)
+		addressFrom.SetObjectID(objectID)
+
+		wire, err := addressFrom.StableMarshal(nil)
+		require.NoError(t, err)
+
+		err = addressTransport.Unmarshal(wire)
+		require.NoError(t, err)
+
+		addressTo := refs.AddressFromGRPCMessage(addressTransport)
+		require.Equal(t, addressFrom, addressTo)
+	})
+}