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restic/internal/restorer/restorer_unix_test.go
Igor Fedorenko bda8d7722e restorer: Optimize empty file restore
don't create fileInfo structs for empty files. this saves memory.
this also avoids extra serial scan of all fileInfo, which should
make restore faster and more consistent.

Signed-off-by: Igor Fedorenko <igor@ifedorenko.com>
2018-10-14 17:39:42 +02:00

62 lines
1.3 KiB
Go

//+build !windows
package restorer
import (
"context"
"os"
"path/filepath"
"syscall"
"testing"
"github.com/restic/restic/internal/repository"
"github.com/restic/restic/internal/restic"
rtest "github.com/restic/restic/internal/test"
)
func TestRestorerRestoreEmptyHardlinkedFileds(t *testing.T) {
repo, cleanup := repository.TestRepository(t)
defer cleanup()
_, id := saveSnapshot(t, repo, Snapshot{
Nodes: map[string]Node{
"dirtest": Dir{
Nodes: map[string]Node{
"file1": File{Links: 2, Inode: 1},
"file2": File{Links: 2, Inode: 1},
},
},
},
})
res, err := NewRestorer(repo, id)
rtest.OK(t, err)
res.SelectFilter = func(item string, dstpath string, node *restic.Node) (selectedForRestore bool, childMayBeSelected bool) {
return true, true
}
tempdir, cleanup := rtest.TempDir(t)
defer cleanup()
ctx, cancel := context.WithCancel(context.Background())
defer cancel()
err = res.RestoreTo(ctx, tempdir)
rtest.OK(t, err)
f1, err := os.Stat(filepath.Join(tempdir, "dirtest/file1"))
rtest.OK(t, err)
rtest.Equals(t, int64(0), f1.Size())
s1, ok1 := f1.Sys().(*syscall.Stat_t)
f2, err := os.Stat(filepath.Join(tempdir, "dirtest/file2"))
rtest.OK(t, err)
rtest.Equals(t, int64(0), f2.Size())
s2, ok2 := f2.Sys().(*syscall.Stat_t)
if ok1 && ok2 {
rtest.Equals(t, s1.Ino, s2.Ino)
}
}