forked from TrueCloudLab/frostfs-node
Alexander Chuprov
033eaf77e1
Standardize the alias of the import frostfs-sdk-go/object as objectSDK. Signed-off-by: Alexander Chuprov <a.chuprov@yadro.com>
113 lines
3.1 KiB
Go
113 lines
3.1 KiB
Go
package testutil
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import (
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"encoding/binary"
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"sync/atomic"
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"testing"
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cid "git.frostfs.info/TrueCloudLab/frostfs-sdk-go/container/id"
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objectSDK "git.frostfs.info/TrueCloudLab/frostfs-sdk-go/object"
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oid "git.frostfs.info/TrueCloudLab/frostfs-sdk-go/object/id"
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"github.com/stretchr/testify/require"
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"golang.org/x/exp/rand"
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)
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// AddressGenerator is the interface of types that generate object addresses.
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type AddressGenerator interface {
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Next() oid.Address
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}
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// SeqAddrGenerator is an AddressGenerator that generates addresses sequentially and wraps around the given max ID.
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type SeqAddrGenerator struct {
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cnt atomic.Uint64
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MaxID uint64
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}
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var _ AddressGenerator = &SeqAddrGenerator{}
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func (g *SeqAddrGenerator) Next() oid.Address {
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var id oid.ID
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binary.LittleEndian.PutUint64(id[:], ((g.cnt.Add(1)-1)%g.MaxID)+1)
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var addr oid.Address
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addr.SetContainer(cid.ID{})
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addr.SetObject(id)
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return addr
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}
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// RandAddrGenerator is an addressGenerator that generates random addresses in the given range.
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type RandAddrGenerator uint64
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func (g RandAddrGenerator) Next() oid.Address {
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var id oid.ID
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binary.LittleEndian.PutUint64(id[:], uint64(1+int(rand.Int63n(int64(g)))))
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var addr oid.Address
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addr.SetContainer(cid.ID{})
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addr.SetObject(id)
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return addr
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}
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// ObjectGenerator is the interface of types that generate object entries.
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type ObjectGenerator interface {
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Next() *objectSDK.Object
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}
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// SeqObjGenerator is an ObjectGenerator that generates entries with random payloads of size objSize and sequential IDs.
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type SeqObjGenerator struct {
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cnt atomic.Uint64
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ObjSize uint64
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}
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var _ ObjectGenerator = &SeqObjGenerator{}
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func generateObjectWithOIDWithCIDWithSize(oid oid.ID, cid cid.ID, sz uint64) *objectSDK.Object {
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data := make([]byte, sz)
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_, _ = rand.Read(data)
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obj := GenerateObjectWithCIDWithPayload(cid, data)
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obj.SetID(oid)
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return obj
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}
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func (g *SeqObjGenerator) Next() *objectSDK.Object {
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var id oid.ID
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binary.LittleEndian.PutUint64(id[:], g.cnt.Add(1))
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return generateObjectWithOIDWithCIDWithSize(id, cid.ID{}, g.ObjSize)
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}
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// RandObjGenerator is an ObjectGenerator that generates entries with random IDs and payloads of size objSize.
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type RandObjGenerator struct {
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ObjSize uint64
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}
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var _ ObjectGenerator = &RandObjGenerator{}
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func (g *RandObjGenerator) Next() *objectSDK.Object {
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var id oid.ID
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_, _ = rand.Read(id[:])
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return generateObjectWithOIDWithCIDWithSize(id, cid.ID{}, g.ObjSize)
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}
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// OverwriteObjGenerator is an ObjectGenerator that generates entries with random payloads of size objSize and at most maxObjects distinct IDs.
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type OverwriteObjGenerator struct {
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ObjSize uint64
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MaxObjects uint64
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}
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func (g *OverwriteObjGenerator) Next() *objectSDK.Object {
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var id oid.ID
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binary.LittleEndian.PutUint64(id[:], uint64(1+rand.Int63n(int64(g.MaxObjects))))
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return generateObjectWithOIDWithCIDWithSize(id, cid.ID{}, g.ObjSize)
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}
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func AddressFromObject(t testing.TB, obj *objectSDK.Object) oid.Address {
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var addr oid.Address
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id, isSet := obj.ID()
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require.True(t, isSet, "object ID is not set")
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addr.SetObject(id)
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cid, isSet := obj.ContainerID()
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require.True(t, isSet, "container ID is not set")
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addr.SetContainer(cid)
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return addr
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}
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