mirror of https://github.com/restic/restic.git
130 lines
2.9 KiB
Go
130 lines
2.9 KiB
Go
package dump
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import (
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"archive/zip"
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"bytes"
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"fmt"
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"io/ioutil"
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"os"
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"path/filepath"
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"strings"
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"testing"
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"time"
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"github.com/restic/restic/internal/fs"
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)
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func TestWriteZip(t *testing.T) {
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WriteTest(t, "zip", checkZip)
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}
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func readZipFile(f *zip.File) ([]byte, error) {
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rc, err := f.Open()
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if err != nil {
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return nil, err
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}
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b := &bytes.Buffer{}
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_, err = b.ReadFrom(rc)
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if err != nil {
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// ignore subsequent errors
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_ = rc.Close()
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return nil, err
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}
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err = rc.Close()
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if err != nil {
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return nil, err
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}
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return b.Bytes(), nil
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}
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func checkZip(t *testing.T, testDir string, srcZip *bytes.Buffer) error {
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z, err := zip.NewReader(bytes.NewReader(srcZip.Bytes()), int64(srcZip.Len()))
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if err != nil {
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return err
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}
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fileNumber := 0
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zipFiles := len(z.File)
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err = filepath.Walk(testDir, func(path string, info os.FileInfo, err error) error {
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if err != nil {
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return err
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}
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if info.Name() != filepath.Base(testDir) {
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fileNumber++
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}
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return nil
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})
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if err != nil {
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return err
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}
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for _, f := range z.File {
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matchPath := filepath.Join(testDir, f.Name)
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match, err := os.Lstat(matchPath)
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if err != nil {
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return err
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}
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// check metadata, zip header contains time rounded to seconds
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fileTime := match.ModTime().Truncate(time.Second)
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zipTime := f.Modified
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if !fileTime.Equal(zipTime) {
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return fmt.Errorf("modTime does not match, got: %s, want: %s", zipTime, fileTime)
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}
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if f.Mode() != match.Mode() {
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return fmt.Errorf("mode does not match, got: %v [%08x], want: %v [%08x]",
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f.Mode(), uint32(f.Mode()), match.Mode(), uint32(match.Mode()))
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}
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t.Logf("Mode is %v [%08x] for %s", f.Mode(), uint32(f.Mode()), f.Name)
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switch {
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case f.FileInfo().IsDir():
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filebase := filepath.ToSlash(match.Name())
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if filepath.Base(f.Name) != filebase {
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return fmt.Errorf("foldernames don't match got %v want %v", filepath.Base(f.Name), filebase)
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}
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if !strings.HasSuffix(f.Name, "/") {
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return fmt.Errorf("foldernames must end with separator got %v", f.Name)
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}
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case f.Mode()&os.ModeSymlink != 0:
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target, err := fs.Readlink(matchPath)
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if err != nil {
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return err
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}
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linkName, err := readZipFile(f)
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if err != nil {
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t.Fatal(err)
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}
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if target != string(linkName) {
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return fmt.Errorf("symlink target does not match, got %s want %s", string(linkName), target)
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}
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default:
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if uint64(match.Size()) != f.UncompressedSize64 {
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return fmt.Errorf("size does not match got %v want %v", f.UncompressedSize64, match.Size())
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}
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contentsFile, err := ioutil.ReadFile(matchPath)
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if err != nil {
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t.Fatal(err)
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}
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contentsZip, err := readZipFile(f)
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if err != nil {
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t.Fatal(err)
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}
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if string(contentsZip) != string(contentsFile) {
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return fmt.Errorf("contents does not match, got %s want %s", contentsZip, contentsFile)
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}
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}
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}
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if zipFiles != fileNumber {
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return fmt.Errorf("not the same amount of files got %v want %v", zipFiles, fileNumber)
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}
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return nil
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}
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