restic/internal/restorer/restorer_unix_test.go
2024-08-30 12:37:10 +02:00

144 lines
3.4 KiB
Go

//go:build !windows
// +build !windows
package restorer
import (
"context"
"io/fs"
"os"
"path/filepath"
"syscall"
"testing"
"time"
"github.com/restic/restic/internal/repository"
rtest "github.com/restic/restic/internal/test"
restoreui "github.com/restic/restic/internal/ui/restore"
)
func TestRestorerRestoreEmptyHardlinkedFields(t *testing.T) {
repo := repository.TestRepository(t)
sn, _ := 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},
},
},
},
}, noopGetGenericAttributes)
res := NewRestorer(repo, sn, Options{})
tempdir := rtest.TempDir(t)
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)
}
}
func getBlockCount(t *testing.T, filename string) int64 {
fi, err := os.Stat(filename)
rtest.OK(t, err)
st := fi.Sys().(*syscall.Stat_t)
if st == nil {
return -1
}
return st.Blocks
}
func TestRestorerProgressBar(t *testing.T) {
testRestorerProgressBar(t, false)
}
func TestRestorerProgressBarDryRun(t *testing.T) {
testRestorerProgressBar(t, true)
}
func testRestorerProgressBar(t *testing.T, dryRun bool) {
repo := repository.TestRepository(t)
sn, _ := saveSnapshot(t, repo, Snapshot{
Nodes: map[string]Node{
"dirtest": Dir{
Nodes: map[string]Node{
"file1": File{Links: 2, Inode: 1, Data: "foo"},
"file2": File{Links: 2, Inode: 1, Data: "foo"},
},
},
"file2": File{Links: 1, Inode: 2, Data: "example"},
},
}, noopGetGenericAttributes)
mock := &printerMock{}
progress := restoreui.NewProgress(mock, 0)
res := NewRestorer(repo, sn, Options{Progress: progress, DryRun: dryRun})
tempdir := rtest.TempDir(t)
ctx, cancel := context.WithCancel(context.Background())
defer cancel()
_, err := res.RestoreTo(ctx, tempdir)
rtest.OK(t, err)
progress.Finish()
rtest.Equals(t, restoreui.State{
FilesFinished: 4,
FilesTotal: 4,
FilesSkipped: 0,
AllBytesWritten: 10,
AllBytesTotal: 10,
AllBytesSkipped: 0,
}, mock.s)
}
func TestRestorePermissions(t *testing.T) {
snapshot := Snapshot{
Nodes: map[string]Node{
"foo": File{Data: "content: foo\n", Mode: 0o600, ModTime: time.Now()},
},
}
repo := repository.TestRepository(t)
tempdir := filepath.Join(rtest.TempDir(t), "target")
ctx, cancel := context.WithCancel(context.Background())
defer cancel()
sn, id := saveSnapshot(t, repo, snapshot, noopGetGenericAttributes)
t.Logf("snapshot saved as %v", id.Str())
res := NewRestorer(repo, sn, Options{})
_, err := res.RestoreTo(ctx, tempdir)
rtest.OK(t, err)
for _, overwrite := range []OverwriteBehavior{OverwriteIfChanged, OverwriteAlways} {
// tamper with permissions
path := filepath.Join(tempdir, "foo")
rtest.OK(t, os.Chmod(path, 0o700))
res = NewRestorer(repo, sn, Options{Overwrite: overwrite})
_, err := res.RestoreTo(ctx, tempdir)
rtest.OK(t, err)
fi, err := os.Stat(path)
rtest.OK(t, err)
rtest.Equals(t, fs.FileMode(0o600), fi.Mode().Perm(), "unexpected permissions")
}
}