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// Copyright 2021 Google LLC All Rights Reserved.
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
package windows
import (
"archive/tar"
"errors"
"io"
"reflect"
"strings"
"testing"
"github.com/google/go-containerregistry/pkg/v1/tarball"
)
func TestWindows(t *testing.T) {
tarLayer, err := tarball.LayerFromFile("../../pkg/v1/tarball/testdata/content.tar")
if err != nil {
t.Fatalf("Unable to create layer from tar file: %v", err)
}
win, err := Windows(tarLayer)
if err != nil {
t.Fatalf("Windows: %v", err)
}
if _, err := Windows(win); err == nil {
t.Error("expected an error double-Windowsifying a layer; got nil")
}
rc, err := win.Uncompressed()
if err != nil {
t.Fatalf("Uncompressed: %v", err)
}
defer rc.Close()
tr := tar.NewReader(rc)
var sawHives, sawFiles bool
for {
h, err := tr.Next()
if errors.Is(err, io.EOF) {
break
}
if h.Name == "Hives" && h.Typeflag == tar.TypeDir {
sawHives = true
continue
}
if h.Name == "Files" && h.Typeflag == tar.TypeDir {
sawFiles = true
continue
}
if !strings.HasPrefix(h.Name, "Files/") {
t.Errorf("tar entry %q didn't have Files prefix", h.Name)
}
if h.Format != tar.FormatPAX {
t.Errorf("tar entry %q had unexpected Format; got %v, want %v", h.Name, h.Format, tar.FormatPAX)
}
want := map[string]string{
"MSWINDOWS.rawsd": userOwnerAndGroupSID,
}
if !reflect.DeepEqual(h.PAXRecords, want) {
t.Errorf("tar entry %q: got %v, want %v", h.Name, h.PAXRecords, want)
}
}
if !sawHives {
t.Errorf("didn't see Hives/ directory")
}
if !sawFiles {
t.Errorf("didn't see Files/ directory")
}
}
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