forked from mirrors/tar-split
284 lines
6.5 KiB
Go
284 lines
6.5 KiB
Go
// Copyright 2012 The Go Authors. All rights reserved.
|
|
// Use of this source code is governed by a BSD-style
|
|
// license that can be found in the LICENSE file.
|
|
|
|
package tar
|
|
|
|
import (
|
|
"bytes"
|
|
"io/ioutil"
|
|
"os"
|
|
"path"
|
|
"reflect"
|
|
"strings"
|
|
"testing"
|
|
"time"
|
|
)
|
|
|
|
func TestFileInfoHeader(t *testing.T) {
|
|
fi, err := os.Stat("testdata/small.txt")
|
|
if err != nil {
|
|
t.Fatal(err)
|
|
}
|
|
h, err := FileInfoHeader(fi, "")
|
|
if err != nil {
|
|
t.Fatalf("FileInfoHeader: %v", err)
|
|
}
|
|
if g, e := h.Name, "small.txt"; g != e {
|
|
t.Errorf("Name = %q; want %q", g, e)
|
|
}
|
|
if g, e := h.Mode, int64(fi.Mode().Perm())|c_ISREG; g != e {
|
|
t.Errorf("Mode = %#o; want %#o", g, e)
|
|
}
|
|
if g, e := h.Size, int64(5); g != e {
|
|
t.Errorf("Size = %v; want %v", g, e)
|
|
}
|
|
if g, e := h.ModTime, fi.ModTime(); !g.Equal(e) {
|
|
t.Errorf("ModTime = %v; want %v", g, e)
|
|
}
|
|
// FileInfoHeader should error when passing nil FileInfo
|
|
if _, err := FileInfoHeader(nil, ""); err == nil {
|
|
t.Fatalf("Expected error when passing nil to FileInfoHeader")
|
|
}
|
|
}
|
|
|
|
func TestFileInfoHeaderDir(t *testing.T) {
|
|
fi, err := os.Stat("testdata")
|
|
if err != nil {
|
|
t.Fatal(err)
|
|
}
|
|
h, err := FileInfoHeader(fi, "")
|
|
if err != nil {
|
|
t.Fatalf("FileInfoHeader: %v", err)
|
|
}
|
|
if g, e := h.Name, "testdata/"; g != e {
|
|
t.Errorf("Name = %q; want %q", g, e)
|
|
}
|
|
// Ignoring c_ISGID for golang.org/issue/4867
|
|
if g, e := h.Mode&^c_ISGID, int64(fi.Mode().Perm())|c_ISDIR; g != e {
|
|
t.Errorf("Mode = %#o; want %#o", g, e)
|
|
}
|
|
if g, e := h.Size, int64(0); g != e {
|
|
t.Errorf("Size = %v; want %v", g, e)
|
|
}
|
|
if g, e := h.ModTime, fi.ModTime(); !g.Equal(e) {
|
|
t.Errorf("ModTime = %v; want %v", g, e)
|
|
}
|
|
}
|
|
|
|
func TestFileInfoHeaderSymlink(t *testing.T) {
|
|
h, err := FileInfoHeader(symlink{}, "some-target")
|
|
if err != nil {
|
|
t.Fatal(err)
|
|
}
|
|
if g, e := h.Name, "some-symlink"; g != e {
|
|
t.Errorf("Name = %q; want %q", g, e)
|
|
}
|
|
if g, e := h.Linkname, "some-target"; g != e {
|
|
t.Errorf("Linkname = %q; want %q", g, e)
|
|
}
|
|
}
|
|
|
|
type symlink struct{}
|
|
|
|
func (symlink) Name() string { return "some-symlink" }
|
|
func (symlink) Size() int64 { return 0 }
|
|
func (symlink) Mode() os.FileMode { return os.ModeSymlink }
|
|
func (symlink) ModTime() time.Time { return time.Time{} }
|
|
func (symlink) IsDir() bool { return false }
|
|
func (symlink) Sys() interface{} { return nil }
|
|
|
|
func TestRoundTrip(t *testing.T) {
|
|
data := []byte("some file contents")
|
|
|
|
var b bytes.Buffer
|
|
tw := NewWriter(&b)
|
|
hdr := &Header{
|
|
Name: "file.txt",
|
|
Uid: 1 << 21, // too big for 8 octal digits
|
|
Size: int64(len(data)),
|
|
ModTime: time.Now(),
|
|
}
|
|
// tar only supports second precision.
|
|
hdr.ModTime = hdr.ModTime.Add(-time.Duration(hdr.ModTime.Nanosecond()) * time.Nanosecond)
|
|
if err := tw.WriteHeader(hdr); err != nil {
|
|
t.Fatalf("tw.WriteHeader: %v", err)
|
|
}
|
|
if _, err := tw.Write(data); err != nil {
|
|
t.Fatalf("tw.Write: %v", err)
|
|
}
|
|
if err := tw.Close(); err != nil {
|
|
t.Fatalf("tw.Close: %v", err)
|
|
}
|
|
|
|
// Read it back.
|
|
tr := NewReader(&b)
|
|
rHdr, err := tr.Next()
|
|
if err != nil {
|
|
t.Fatalf("tr.Next: %v", err)
|
|
}
|
|
if !reflect.DeepEqual(rHdr, hdr) {
|
|
t.Errorf("Header mismatch.\n got %+v\nwant %+v", rHdr, hdr)
|
|
}
|
|
rData, err := ioutil.ReadAll(tr)
|
|
if err != nil {
|
|
t.Fatalf("Read: %v", err)
|
|
}
|
|
if !bytes.Equal(rData, data) {
|
|
t.Errorf("Data mismatch.\n got %q\nwant %q", rData, data)
|
|
}
|
|
}
|
|
|
|
type headerRoundTripTest struct {
|
|
h *Header
|
|
fm os.FileMode
|
|
}
|
|
|
|
func TestHeaderRoundTrip(t *testing.T) {
|
|
golden := []headerRoundTripTest{
|
|
// regular file.
|
|
{
|
|
h: &Header{
|
|
Name: "test.txt",
|
|
Mode: 0644 | c_ISREG,
|
|
Size: 12,
|
|
ModTime: time.Unix(1360600916, 0),
|
|
Typeflag: TypeReg,
|
|
},
|
|
fm: 0644,
|
|
},
|
|
// hard link.
|
|
{
|
|
h: &Header{
|
|
Name: "hard.txt",
|
|
Mode: 0644 | c_ISLNK,
|
|
Size: 0,
|
|
ModTime: time.Unix(1360600916, 0),
|
|
Typeflag: TypeLink,
|
|
},
|
|
fm: 0644 | os.ModeSymlink,
|
|
},
|
|
// symbolic link.
|
|
{
|
|
h: &Header{
|
|
Name: "link.txt",
|
|
Mode: 0777 | c_ISLNK,
|
|
Size: 0,
|
|
ModTime: time.Unix(1360600852, 0),
|
|
Typeflag: TypeSymlink,
|
|
},
|
|
fm: 0777 | os.ModeSymlink,
|
|
},
|
|
// character device node.
|
|
{
|
|
h: &Header{
|
|
Name: "dev/null",
|
|
Mode: 0666 | c_ISCHR,
|
|
Size: 0,
|
|
ModTime: time.Unix(1360578951, 0),
|
|
Typeflag: TypeChar,
|
|
},
|
|
fm: 0666 | os.ModeDevice | os.ModeCharDevice,
|
|
},
|
|
// block device node.
|
|
{
|
|
h: &Header{
|
|
Name: "dev/sda",
|
|
Mode: 0660 | c_ISBLK,
|
|
Size: 0,
|
|
ModTime: time.Unix(1360578954, 0),
|
|
Typeflag: TypeBlock,
|
|
},
|
|
fm: 0660 | os.ModeDevice,
|
|
},
|
|
// directory.
|
|
{
|
|
h: &Header{
|
|
Name: "dir/",
|
|
Mode: 0755 | c_ISDIR,
|
|
Size: 0,
|
|
ModTime: time.Unix(1360601116, 0),
|
|
Typeflag: TypeDir,
|
|
},
|
|
fm: 0755 | os.ModeDir,
|
|
},
|
|
// fifo node.
|
|
{
|
|
h: &Header{
|
|
Name: "dev/initctl",
|
|
Mode: 0600 | c_ISFIFO,
|
|
Size: 0,
|
|
ModTime: time.Unix(1360578949, 0),
|
|
Typeflag: TypeFifo,
|
|
},
|
|
fm: 0600 | os.ModeNamedPipe,
|
|
},
|
|
// setuid.
|
|
{
|
|
h: &Header{
|
|
Name: "bin/su",
|
|
Mode: 0755 | c_ISREG | c_ISUID,
|
|
Size: 23232,
|
|
ModTime: time.Unix(1355405093, 0),
|
|
Typeflag: TypeReg,
|
|
},
|
|
fm: 0755 | os.ModeSetuid,
|
|
},
|
|
// setguid.
|
|
{
|
|
h: &Header{
|
|
Name: "group.txt",
|
|
Mode: 0750 | c_ISREG | c_ISGID,
|
|
Size: 0,
|
|
ModTime: time.Unix(1360602346, 0),
|
|
Typeflag: TypeReg,
|
|
},
|
|
fm: 0750 | os.ModeSetgid,
|
|
},
|
|
// sticky.
|
|
{
|
|
h: &Header{
|
|
Name: "sticky.txt",
|
|
Mode: 0600 | c_ISREG | c_ISVTX,
|
|
Size: 7,
|
|
ModTime: time.Unix(1360602540, 0),
|
|
Typeflag: TypeReg,
|
|
},
|
|
fm: 0600 | os.ModeSticky,
|
|
},
|
|
}
|
|
|
|
for i, g := range golden {
|
|
fi := g.h.FileInfo()
|
|
h2, err := FileInfoHeader(fi, "")
|
|
if err != nil {
|
|
t.Error(err)
|
|
continue
|
|
}
|
|
if strings.Contains(fi.Name(), "/") {
|
|
t.Errorf("FileInfo of %q contains slash: %q", g.h.Name, fi.Name())
|
|
}
|
|
name := path.Base(g.h.Name)
|
|
if fi.IsDir() {
|
|
name += "/"
|
|
}
|
|
if got, want := h2.Name, name; got != want {
|
|
t.Errorf("i=%d: Name: got %v, want %v", i, got, want)
|
|
}
|
|
if got, want := h2.Size, g.h.Size; got != want {
|
|
t.Errorf("i=%d: Size: got %v, want %v", i, got, want)
|
|
}
|
|
if got, want := h2.Mode, g.h.Mode; got != want {
|
|
t.Errorf("i=%d: Mode: got %o, want %o", i, got, want)
|
|
}
|
|
if got, want := fi.Mode(), g.fm; got != want {
|
|
t.Errorf("i=%d: fi.Mode: got %o, want %o", i, got, want)
|
|
}
|
|
if got, want := h2.ModTime, g.h.ModTime; got != want {
|
|
t.Errorf("i=%d: ModTime: got %v, want %v", i, got, want)
|
|
}
|
|
if sysh, ok := fi.Sys().(*Header); !ok || sysh != g.h {
|
|
t.Errorf("i=%d: Sys didn't return original *Header", i)
|
|
}
|
|
}
|
|
}
|