From 6c4a1699ef57ef0bbf46b4ab1d083e7586a86631 Mon Sep 17 00:00:00 2001
From: Dmitrii Stepanov <d.stepanov@yadro.com>
Date: Fri, 17 Mar 2023 10:56:37 +0300
Subject: [PATCH] [#145] shard-gc: Expired locked unit test

Added unit test that verifies that GC deletes expired
locked objects in one epoch.

Signed-off-by: Dmitrii Stepanov <d.stepanov@yadro.com>
---
 pkg/local_object_storage/shard/gc_test.go    | 121 +++++++++++++++++++
 pkg/local_object_storage/shard/shard_test.go |   6 +-
 2 files changed, 125 insertions(+), 2 deletions(-)
 create mode 100644 pkg/local_object_storage/shard/gc_test.go

diff --git a/pkg/local_object_storage/shard/gc_test.go b/pkg/local_object_storage/shard/gc_test.go
new file mode 100644
index 000000000..8643605e9
--- /dev/null
+++ b/pkg/local_object_storage/shard/gc_test.go
@@ -0,0 +1,121 @@
+package shard_test
+
+import (
+	"context"
+	"path/filepath"
+	"testing"
+	"time"
+
+	objectV2 "git.frostfs.info/TrueCloudLab/frostfs-api-go/v2/object"
+	objectCore "git.frostfs.info/TrueCloudLab/frostfs-node/pkg/core/object"
+	"git.frostfs.info/TrueCloudLab/frostfs-node/pkg/local_object_storage/blobstor"
+	"git.frostfs.info/TrueCloudLab/frostfs-node/pkg/local_object_storage/blobstor/blobovniczatree"
+	"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/shard"
+	"git.frostfs.info/TrueCloudLab/frostfs-node/pkg/util"
+	"git.frostfs.info/TrueCloudLab/frostfs-node/pkg/util/logger"
+	cidtest "git.frostfs.info/TrueCloudLab/frostfs-sdk-go/container/id/test"
+	"git.frostfs.info/TrueCloudLab/frostfs-sdk-go/object"
+	objectSDK "git.frostfs.info/TrueCloudLab/frostfs-sdk-go/object"
+	oid "git.frostfs.info/TrueCloudLab/frostfs-sdk-go/object/id"
+	"github.com/panjf2000/ants/v2"
+	"github.com/stretchr/testify/require"
+	"go.uber.org/zap"
+)
+
+func Test_GCDropsLockedExpiredObject(t *testing.T) {
+	var sh *shard.Shard
+
+	epoch := &epochState{
+		Value: 100,
+	}
+
+	rootPath := t.TempDir()
+	opts := []shard.Option{
+		shard.WithLogger(&logger.Logger{Logger: zap.NewNop()}),
+		shard.WithBlobStorOptions(
+			blobstor.WithStorages([]blobstor.SubStorage{
+				{
+					Storage: blobovniczatree.NewBlobovniczaTree(
+						blobovniczatree.WithRootPath(filepath.Join(rootPath, "blob", "blobovnicza")),
+						blobovniczatree.WithBlobovniczaShallowDepth(2),
+						blobovniczatree.WithBlobovniczaShallowWidth(2)),
+					Policy: func(_ *object.Object, data []byte) bool {
+						return len(data) <= 1<<20
+					},
+				},
+				{
+					Storage: fstree.New(
+						fstree.WithPath(filepath.Join(rootPath, "blob"))),
+				},
+			}),
+		),
+		shard.WithMetaBaseOptions(
+			meta.WithPath(filepath.Join(rootPath, "meta")),
+			meta.WithEpochState(epoch),
+		),
+		shard.WithDeletedLockCallback(func(_ context.Context, addresses []oid.Address) {
+			sh.HandleDeletedLocks(addresses)
+		}),
+		shard.WithExpiredLocksCallback(func(_ context.Context, a []oid.Address) {
+			sh.HandleExpiredLocks(a)
+		}),
+		shard.WithGCWorkerPoolInitializer(func(sz int) util.WorkerPool {
+			pool, err := ants.NewPool(sz)
+			require.NoError(t, err)
+
+			return pool
+		}),
+	}
+
+	sh = shard.New(opts...)
+	require.NoError(t, sh.Open())
+	require.NoError(t, sh.Init())
+
+	t.Cleanup(func() {
+		releaseShard(sh, t)
+	})
+
+	cnr := cidtest.ID()
+
+	var objExpirationAttr objectSDK.Attribute
+	objExpirationAttr.SetKey(objectV2.SysAttributeExpEpoch)
+	objExpirationAttr.SetValue("101")
+
+	obj := generateObjectWithCID(t, cnr)
+	obj.SetAttributes(objExpirationAttr)
+	objID, _ := obj.ID()
+
+	var lockExpirationAttr objectSDK.Attribute
+	lockExpirationAttr.SetKey(objectV2.SysAttributeExpEpoch)
+	lockExpirationAttr.SetValue("103")
+
+	lock := generateObjectWithCID(t, cnr)
+	lock.SetType(object.TypeLock)
+	lock.SetAttributes(lockExpirationAttr)
+	lockID, _ := lock.ID()
+
+	var putPrm shard.PutPrm
+	putPrm.SetObject(obj)
+
+	_, err := sh.Put(putPrm)
+	require.NoError(t, err)
+
+	err = sh.Lock(cnr, lockID, []oid.ID{objID})
+	require.NoError(t, err)
+
+	putPrm.SetObject(lock)
+	_, err = sh.Put(putPrm)
+	require.NoError(t, err)
+
+	epoch.Value = 105
+	sh.NotificationChannel() <- shard.EventNewEpoch(epoch.Value)
+
+	var getPrm shard.GetPrm
+	getPrm.SetAddress(objectCore.AddressOf(obj))
+	require.Eventually(t, func() bool {
+		_, err = sh.Get(getPrm)
+		return shard.IsErrNotFound(err)
+	}, 3*time.Second, 1*time.Second, "expired object must be deleted")
+}
diff --git a/pkg/local_object_storage/shard/shard_test.go b/pkg/local_object_storage/shard/shard_test.go
index a6da53918..2a98dabb0 100644
--- a/pkg/local_object_storage/shard/shard_test.go
+++ b/pkg/local_object_storage/shard/shard_test.go
@@ -27,10 +27,12 @@ import (
 	"go.uber.org/zap/zaptest"
 )
 
-type epochState struct{}
+type epochState struct {
+	Value uint64
+}
 
 func (s epochState) CurrentEpoch() uint64 {
-	return 0
+	return s.Value
 }
 
 func newShard(t testing.TB, enableWriteCache bool) *shard.Shard {