258 lines
7.2 KiB
Go
258 lines
7.2 KiB
Go
package writecache
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import (
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"os"
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"path/filepath"
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"testing"
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objectCore "github.com/nspcc-dev/neofs-node/pkg/core/object"
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"github.com/nspcc-dev/neofs-node/pkg/local_object_storage/blobstor"
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"github.com/nspcc-dev/neofs-node/pkg/local_object_storage/blobstor/common"
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"github.com/nspcc-dev/neofs-node/pkg/local_object_storage/blobstor/fstree"
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meta "github.com/nspcc-dev/neofs-node/pkg/local_object_storage/metabase"
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"github.com/nspcc-dev/neofs-node/pkg/local_object_storage/shard/mode"
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"github.com/nspcc-dev/neofs-node/pkg/util/logger"
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checksumtest "github.com/nspcc-dev/neofs-sdk-go/checksum/test"
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cidtest "github.com/nspcc-dev/neofs-sdk-go/container/id/test"
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"github.com/nspcc-dev/neofs-sdk-go/object"
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oid "github.com/nspcc-dev/neofs-sdk-go/object/id"
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oidtest "github.com/nspcc-dev/neofs-sdk-go/object/id/test"
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usertest "github.com/nspcc-dev/neofs-sdk-go/user/test"
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versionSDK "github.com/nspcc-dev/neofs-sdk-go/version"
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"github.com/stretchr/testify/require"
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"go.etcd.io/bbolt"
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"go.uber.org/atomic"
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"go.uber.org/zap/zaptest"
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)
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func TestFlush(t *testing.T) {
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const (
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objCount = 4
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smallSize = 256
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)
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type objectPair struct {
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addr oid.Address
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obj *object.Object
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}
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newCache := func(t *testing.T, opts ...Option) (Cache, *blobstor.BlobStor, *meta.DB) {
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dir := t.TempDir()
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mb := meta.New(
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meta.WithPath(filepath.Join(dir, "meta")),
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meta.WithEpochState(dummyEpoch{}))
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require.NoError(t, mb.Open(false))
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require.NoError(t, mb.Init())
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fsTree := fstree.New(
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fstree.WithPath(filepath.Join(dir, "blob")),
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fstree.WithDepth(0),
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fstree.WithDirNameLen(1))
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bs := blobstor.New(blobstor.WithStorages([]blobstor.SubStorage{
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{Storage: fsTree},
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}))
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require.NoError(t, bs.Open(false))
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require.NoError(t, bs.Init())
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wc := New(
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append([]Option{
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WithLogger(&logger.Logger{Logger: zaptest.NewLogger(t)}),
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WithPath(filepath.Join(dir, "writecache")),
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WithSmallObjectSize(smallSize),
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WithMetabase(mb),
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WithBlobstor(bs),
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}, opts...)...)
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require.NoError(t, wc.Open(false))
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require.NoError(t, wc.Init())
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// First set mode for metabase and blobstor to prevent background flushes.
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require.NoError(t, mb.SetMode(mode.ReadOnly))
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require.NoError(t, bs.SetMode(mode.ReadOnly))
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return wc, bs, mb
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}
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putObjects := func(t *testing.T, c Cache) []objectPair {
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objects := make([]objectPair, objCount)
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for i := range objects {
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obj, data := newObject(t, 1+(i%2)*smallSize)
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addr := objectCore.AddressOf(obj)
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var prm common.PutPrm
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prm.Address = objectCore.AddressOf(obj)
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prm.Object = obj
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prm.RawData = data
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_, err := c.Put(prm)
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require.NoError(t, err)
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objects[i] = objectPair{addr: addr, obj: obj}
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}
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return objects
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}
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check := func(t *testing.T, mb *meta.DB, bs *blobstor.BlobStor, objects []objectPair) {
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for i := range objects {
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var mPrm meta.StorageIDPrm
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mPrm.SetAddress(objects[i].addr)
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mRes, err := mb.StorageID(mPrm)
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require.NoError(t, err)
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var prm common.GetPrm
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prm.Address = objects[i].addr
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prm.StorageID = mRes.StorageID()
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res, err := bs.Get(prm)
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require.NoError(t, err)
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require.Equal(t, objects[i].obj, res.Object)
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}
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}
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t.Run("no errors", func(t *testing.T) {
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wc, bs, mb := newCache(t)
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objects := putObjects(t, wc)
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require.NoError(t, wc.SetMode(mode.ReadOnly))
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require.NoError(t, bs.SetMode(mode.ReadWrite))
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require.NoError(t, mb.SetMode(mode.ReadWrite))
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wc.(*cache).flushed.Add(objects[0].addr.EncodeToString(), true)
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wc.(*cache).flushed.Add(objects[1].addr.EncodeToString(), false)
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require.NoError(t, wc.Flush(false))
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for i := 0; i < 2; i++ {
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var mPrm meta.GetPrm
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mPrm.SetAddress(objects[i].addr)
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_, err := mb.Get(mPrm)
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require.Error(t, err)
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_, err = bs.Get(common.GetPrm{Address: objects[i].addr})
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require.Error(t, err)
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}
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check(t, mb, bs, objects[2:])
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})
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t.Run("flush on moving to degraded mode", func(t *testing.T) {
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wc, bs, mb := newCache(t)
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objects := putObjects(t, wc)
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// Blobstor is read-only, so we expect en error from `flush` here.
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require.Error(t, wc.SetMode(mode.Degraded))
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// First move to read-only mode to close background workers.
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require.NoError(t, wc.SetMode(mode.ReadOnly))
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require.NoError(t, bs.SetMode(mode.ReadWrite))
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require.NoError(t, mb.SetMode(mode.ReadWrite))
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wc.(*cache).flushed.Add(objects[0].addr.EncodeToString(), true)
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wc.(*cache).flushed.Add(objects[1].addr.EncodeToString(), false)
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require.NoError(t, wc.SetMode(mode.Degraded))
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for i := 0; i < 2; i++ {
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var mPrm meta.GetPrm
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mPrm.SetAddress(objects[i].addr)
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_, err := mb.Get(mPrm)
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require.Error(t, err)
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_, err = bs.Get(common.GetPrm{Address: objects[i].addr})
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require.Error(t, err)
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}
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check(t, mb, bs, objects[2:])
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})
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t.Run("ignore errors", func(t *testing.T) {
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testIgnoreErrors := func(t *testing.T, f func(*cache)) {
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var errCount atomic.Uint32
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wc, bs, mb := newCache(t, WithReportErrorFunc(func(message string, err error) {
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errCount.Inc()
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}))
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objects := putObjects(t, wc)
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f(wc.(*cache))
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require.NoError(t, wc.SetMode(mode.ReadOnly))
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require.NoError(t, bs.SetMode(mode.ReadWrite))
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require.NoError(t, mb.SetMode(mode.ReadWrite))
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require.Equal(t, uint32(0), errCount.Load())
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require.Error(t, wc.Flush(false))
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require.True(t, errCount.Load() > 0)
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require.NoError(t, wc.Flush(true))
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check(t, mb, bs, objects)
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}
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t.Run("db, invalid address", func(t *testing.T) {
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testIgnoreErrors(t, func(c *cache) {
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_, data := newObject(t, 1)
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require.NoError(t, c.db.Batch(func(tx *bbolt.Tx) error {
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b := tx.Bucket(defaultBucket)
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return b.Put([]byte{1, 2, 3}, data)
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}))
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})
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})
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t.Run("db, invalid object", func(t *testing.T) {
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testIgnoreErrors(t, func(c *cache) {
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require.NoError(t, c.db.Batch(func(tx *bbolt.Tx) error {
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b := tx.Bucket(defaultBucket)
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return b.Put([]byte(oidtest.Address().EncodeToString()), []byte{1, 2, 3})
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}))
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})
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})
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t.Run("fs, read error", func(t *testing.T) {
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testIgnoreErrors(t, func(c *cache) {
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obj, data := newObject(t, 1)
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var prm common.PutPrm
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prm.Address = objectCore.AddressOf(obj)
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prm.RawData = data
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_, err := c.fsTree.Put(prm)
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require.NoError(t, err)
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p := prm.Address.Object().EncodeToString() + "." + prm.Address.Container().EncodeToString()
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p = filepath.Join(c.fsTree.RootPath, p[:1], p[1:])
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_, err = os.Stat(p) // sanity check
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require.NoError(t, err)
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require.NoError(t, os.Chmod(p, 0))
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})
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})
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t.Run("fs, invalid object", func(t *testing.T) {
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testIgnoreErrors(t, func(c *cache) {
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var prm common.PutPrm
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prm.Address = oidtest.Address()
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prm.RawData = []byte{1, 2, 3}
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_, err := c.fsTree.Put(prm)
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require.NoError(t, err)
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})
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})
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})
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}
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func newObject(t *testing.T, size int) (*object.Object, []byte) {
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obj := object.New()
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ver := versionSDK.Current()
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obj.SetID(oidtest.ID())
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obj.SetOwnerID(usertest.ID())
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obj.SetContainerID(cidtest.ID())
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obj.SetType(object.TypeRegular)
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obj.SetVersion(&ver)
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obj.SetPayloadChecksum(checksumtest.Checksum())
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obj.SetPayloadHomomorphicHash(checksumtest.Checksum())
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obj.SetPayload(make([]byte, size))
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data, err := obj.Marshal()
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require.NoError(t, err)
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return obj, data
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}
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type dummyEpoch struct{}
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func (dummyEpoch) CurrentEpoch() uint64 {
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return 0
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}
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