frostfs-node/pkg/local_object_storage/blobstor/exists_test.go

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package blobstor
import (
"os"
"path/filepath"
"testing"
objectCore "github.com/nspcc-dev/neofs-node/pkg/core/object"
objectSDK "github.com/nspcc-dev/neofs-sdk-go/object"
oidtest "github.com/nspcc-dev/neofs-sdk-go/object/id/test"
"github.com/stretchr/testify/require"
)
func TestExists(t *testing.T) {
dir, err := os.MkdirTemp("", "neofs*")
require.NoError(t, err)
t.Cleanup(func() { _ = os.RemoveAll(dir) })
const smallSizeLimit = 512
b := New(WithRootPath(dir),
WithSmallSizeLimit(smallSizeLimit),
WithBlobovniczaShallowWidth(1)) // default width is 16, slow init
require.NoError(t, b.Open())
require.NoError(t, b.Init())
objects := []*objectSDK.Object{
testObject(smallSizeLimit / 2),
testObject(smallSizeLimit + 1),
}
for i := range objects {
prm := new(PutPrm)
prm.SetObject(objects[i])
_, err = b.Put(prm)
require.NoError(t, err)
}
prm := new(ExistsPrm)
for i := range objects {
prm.SetAddress(objectCore.AddressOf(objects[i]))
res, err := b.Exists(prm)
require.NoError(t, err)
require.True(t, res.Exists())
}
prm.SetAddress(oidtest.Address())
res, err := b.Exists(prm)
require.NoError(t, err)
require.False(t, res.Exists())
t.Run("corrupt direcrory", func(t *testing.T) {
var bigDir string
de, err := os.ReadDir(dir)
require.NoError(t, err)
for i := range de {
if de[i].Name() != blobovniczaDir {
bigDir = filepath.Join(dir, de[i].Name())
break
}
}
require.NotEmpty(t, bigDir)
require.NoError(t, os.Chmod(dir, 0))
t.Cleanup(func() { require.NoError(t, os.Chmod(dir, b.fsTree.Permissions)) })
// Object exists, first error is logged.
prm.SetAddress(objectCore.AddressOf(objects[0]))
res, err := b.Exists(prm)
require.NoError(t, err)
require.True(t, res.Exists())
// Object doesn't exist, first error is returned.
prm.SetAddress(objectCore.AddressOf(objects[1]))
_, err = b.Exists(prm)
require.Error(t, err)
})
}