85 lines
1.5 KiB
Go
85 lines
1.5 KiB
Go
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package backuptar
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import (
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"bytes"
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"io/ioutil"
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"os"
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"path/filepath"
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"reflect"
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"testing"
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"github.com/Microsoft/go-winio"
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"github.com/Microsoft/go-winio/archive/tar"
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)
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func ensurePresent(t *testing.T, m map[string]string, keys ...string) {
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for _, k := range keys {
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if _, ok := m[k]; !ok {
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t.Error(k, "not present in tar header")
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}
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}
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}
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func TestRoundTrip(t *testing.T) {
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f, err := ioutil.TempFile("", "tst")
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if err != nil {
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t.Fatal(err)
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}
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defer f.Close()
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defer os.Remove(f.Name())
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if _, err = f.Write([]byte("testing 1 2 3\n")); err != nil {
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t.Fatal(err)
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}
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if _, err = f.Seek(0, 0); err != nil {
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t.Fatal(err)
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}
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fi, err := f.Stat()
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if err != nil {
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t.Fatal(err)
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}
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bi, err := winio.GetFileBasicInfo(f)
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if err != nil {
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t.Fatal(err)
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}
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br := winio.NewBackupFileReader(f, true)
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defer br.Close()
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var buf bytes.Buffer
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tw := tar.NewWriter(&buf)
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err = WriteTarFileFromBackupStream(tw, br, f.Name(), fi.Size(), bi)
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if err != nil {
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t.Fatal(err)
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}
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tr := tar.NewReader(&buf)
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hdr, err := tr.Next()
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if err != nil {
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t.Fatal(err)
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}
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name, size, bi2, err := FileInfoFromHeader(hdr)
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if err != nil {
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t.Fatal(err)
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}
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if name != filepath.ToSlash(f.Name()) {
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t.Errorf("got name %s, expected %s", name, filepath.ToSlash(f.Name()))
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}
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if size != fi.Size() {
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t.Errorf("got size %d, expected %d", size, fi.Size())
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}
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if !reflect.DeepEqual(*bi, *bi2) {
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t.Errorf("got %#v, expected %#v", *bi, *bi2)
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}
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ensurePresent(t, hdr.Winheaders, "fileattr", "sd")
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}
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