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compare: implement proper testing with tar

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While the full testing is broken due to bugs in the tar DH generator, we
ignore known bugs in the tar generator to at least allow us to test some
of the other semantics of Compare.

Signed-off-by: Aleksa Sarai <asarai@suse.de>
This commit is contained in:
Aleksa Sarai 2016-10-31 03:39:13 +11:00
parent d7f49531f8
commit c4be8dfe32
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GPG key ID: 9E18AA267DDB8DB4
2 changed files with 144 additions and 17 deletions
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44
tar_test.go
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@ -6,7 +6,9 @@ import (
"io"
"io/ioutil"
"os"
"syscall"
"testing"
"time"
)
func ExampleStreamer() {
@ -346,29 +348,39 @@ func TestHardlinks(t *testing.T) {
}
}
// minimal tar archive stream that mimics what is in ./testdata/test.tar
func makeTarStream() ([]byte, error) {
type fakeFile struct {
Name, Body string
Mode int64
Type byte
Sec, Nsec int64
Xattrs map[string]string
}
// minimal tar archive that mimics what is in ./testdata/test.tar
var minimalFiles = []fakeFile{
{"x/", "", 0755, '5', 0, 0, nil},
{"x/files", "howdy\n", 0644, '0', 0, 0, nil},
}
func makeTarStream(ff []fakeFile) ([]byte, error) {
buf := new(bytes.Buffer)
// Create a new tar archive.
tw := tar.NewWriter(buf)
// Add some files to the archive.
var files = []struct {
Name, Body string
Mode int64
Type byte
Xattrs map[string]string
}{
{"x/", "", 0755, '5', nil},
{"x/files", "howdy\n", 0644, '0', nil},
}
for _, file := range files {
for _, file := range ff {
hdr := &tar.Header{
Name: file.Name,
Mode: file.Mode,
Size: int64(len(file.Body)),
Xattrs: file.Xattrs,
Name: file.Name,
Uid: syscall.Getuid(),
Gid: syscall.Getgid(),
Mode: file.Mode,
Typeflag: file.Type,
Size: int64(len(file.Body)),
ModTime: time.Unix(file.Sec, file.Nsec),
AccessTime: time.Unix(file.Sec, file.Nsec),
ChangeTime: time.Unix(file.Sec, file.Nsec),
Xattrs: file.Xattrs,
}
if err := tw.WriteHeader(hdr); err != nil {
return nil, err