[#293] pkg/object: Implement generators of the messages

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

pkg/object/test/generate.go

@@ -0,0 +1,141 @@
+package objecttest
+
+import (
+	"crypto/sha256"
+	"math/rand"
+
+	"github.com/google/uuid"
+	"github.com/nspcc-dev/neofs-api-go/pkg"
+	cidtest "github.com/nspcc-dev/neofs-api-go/pkg/container/id/test"
+	"github.com/nspcc-dev/neofs-api-go/pkg/object"
+	ownertest "github.com/nspcc-dev/neofs-api-go/pkg/owner/test"
+	sessiontest "github.com/nspcc-dev/neofs-api-go/pkg/session/test"
+	refstest "github.com/nspcc-dev/neofs-api-go/pkg/test"
+)
+
+// ID returns random object.ID.
+func ID() *object.ID {
+	checksum := [sha256.Size]byte{}
+
+	rand.Read(checksum[:])
+
+	return IDWithChecksum(checksum)
+}
+
+// IDWithChecksum returns object.ID initialized
+// with specified checksum.
+func IDWithChecksum(cs [sha256.Size]byte) *object.ID {
+	id := object.NewID()
+	id.SetSHA256(cs)
+
+	return id
+}
+
+// Address returns random object.Address.
+func Address() *object.Address {
+	x := object.NewAddress()
+
+	x.SetContainerID(cidtest.Generate())
+	x.SetObjectID(ID())
+
+	return x
+}
+
+// Range returns random object.Range.
+func Range() *object.Range {
+	x := object.NewRange()
+
+	x.SetOffset(1024)
+	x.SetLength(2048)
+
+	return x
+}
+
+// Attribute returns random object.Attribute.
+func Attribute() *object.Attribute {
+	x := object.NewAttribute()
+
+	x.SetKey("key")
+	x.SetValue("value")
+
+	return x
+}
+
+// SplitID returns random object.SplitID.
+func SplitID() *object.SplitID {
+	x := object.NewSplitID()
+
+	x.SetUUID(uuid.New())
+
+	return x
+}
+
+func generateRaw(withParent bool) *object.RawObject {
+	x := object.NewRaw()
+
+	x.SetID(ID())
+	x.SetSessionToken(sessiontest.Generate())
+	x.SetPayload([]byte{1, 2, 3})
+	x.SetOwnerID(ownertest.Generate())
+	x.SetContainerID(cidtest.Generate())
+	x.SetType(object.TypeTombstone)
+	x.SetVersion(pkg.SDKVersion())
+	x.SetPayloadSize(111)
+	x.SetCreationEpoch(222)
+	x.SetPreviousID(ID())
+	x.SetParentID(ID())
+	x.SetChildren(ID(), ID())
+	x.SetAttributes(Attribute(), Attribute())
+	x.SetSplitID(SplitID())
+	x.SetPayloadChecksum(refstest.Checksum())
+	x.SetPayloadHomomorphicHash(refstest.Checksum())
+	x.SetSignature(refstest.Signature())
+
+	if withParent {
+		x.SetParent(generateRaw(false).Object())
+	}
+
+	return x
+}
+
+// Raw returns random object.RawObject.
+func Raw() *object.RawObject {
+	return generateRaw(true)
+}
+
+// Object returns random object.Object.
+func Object() *object.Object {
+	return Raw().Object()
+}
+
+// Tombstone returns random object.Tombstone.
+func Tombstone() *object.Tombstone {
+	x := object.NewTombstone()
+
+	x.SetSplitID(SplitID())
+	x.SetExpirationEpoch(13)
+	x.SetMembers([]*object.ID{ID(), ID()})
+
+	return x
+}
+
+// SplitInfo returns random object.SplitInfo.
+func SplitInfo() *object.SplitInfo {
+	x := object.NewSplitInfo()
+
+	x.SetSplitID(SplitID())
+	x.SetLink(ID())
+	x.SetLastPart(ID())
+
+	return x
+}
+
+// SearchFilters returns random object.SearchFilters.
+func SearchFilters() object.SearchFilters {
+	x := object.NewSearchFilters()
+
+	x.AddObjectIDFilter(object.MatchStringEqual, ID())
+	x.AddObjectContainerIDFilter(object.MatchStringNotEqual, cidtest.Generate())
+
+	return x
+}