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moby--moby/pkg/chrootarchive/archive_test.go
Jason Sommer 0826ac1581 Fixed relative filepath check
Signed-off-by: Jason Sommer <jsdirv@gmail.com>
2015-02-16 20:38:52 -06:00

127 lines
3 KiB
Go

package chrootarchive
import (
"io"
"io/ioutil"
"os"
"path/filepath"
"testing"
"time"
"github.com/docker/docker/pkg/archive"
"github.com/docker/docker/pkg/reexec"
)
func init() {
reexec.Init()
}
func TestChrootTarUntar(t *testing.T) {
tmpdir, err := ioutil.TempDir("", "docker-TestChrootTarUntar")
if err != nil {
t.Fatal(err)
}
defer os.RemoveAll(tmpdir)
src := filepath.Join(tmpdir, "src")
if err := os.MkdirAll(src, 0700); err != nil {
t.Fatal(err)
}
if err := ioutil.WriteFile(filepath.Join(src, "toto"), []byte("hello toto"), 0644); err != nil {
t.Fatal(err)
}
if err := ioutil.WriteFile(filepath.Join(src, "lolo"), []byte("hello lolo"), 0644); err != nil {
t.Fatal(err)
}
stream, err := archive.Tar(src, archive.Uncompressed)
if err != nil {
t.Fatal(err)
}
dest := filepath.Join(tmpdir, "src")
if err := os.MkdirAll(dest, 0700); err != nil {
t.Fatal(err)
}
if err := Untar(stream, dest, &archive.TarOptions{ExcludePatterns: []string{"lolo"}}); err != nil {
t.Fatal(err)
}
}
type slowEmptyTarReader struct {
size int
offset int
chunkSize int
}
// Read is a slow reader of an empty tar (like the output of "tar c --files-from /dev/null")
func (s *slowEmptyTarReader) Read(p []byte) (int, error) {
time.Sleep(100 * time.Millisecond)
count := s.chunkSize
if len(p) < s.chunkSize {
count = len(p)
}
for i := 0; i < count; i++ {
p[i] = 0
}
s.offset += count
if s.offset > s.size {
return count, io.EOF
}
return count, nil
}
func TestChrootUntarEmptyArchiveFromSlowReader(t *testing.T) {
tmpdir, err := ioutil.TempDir("", "docker-TestChrootUntarEmptyArchiveFromSlowReader")
if err != nil {
t.Fatal(err)
}
defer os.RemoveAll(tmpdir)
dest := filepath.Join(tmpdir, "dest")
if err := os.MkdirAll(dest, 0700); err != nil {
t.Fatal(err)
}
stream := &slowEmptyTarReader{size: 10240, chunkSize: 1024}
if err := Untar(stream, dest, nil); err != nil {
t.Fatal(err)
}
}
func TestChrootApplyEmptyArchiveFromSlowReader(t *testing.T) {
tmpdir, err := ioutil.TempDir("", "docker-TestChrootApplyEmptyArchiveFromSlowReader")
if err != nil {
t.Fatal(err)
}
defer os.RemoveAll(tmpdir)
dest := filepath.Join(tmpdir, "dest")
if err := os.MkdirAll(dest, 0700); err != nil {
t.Fatal(err)
}
stream := &slowEmptyTarReader{size: 10240, chunkSize: 1024}
if _, err := ApplyLayer(dest, stream); err != nil {
t.Fatal(err)
}
}
func TestChrootApplyDotDotFile(t *testing.T) {
tmpdir, err := ioutil.TempDir("", "docker-TestChrootApplyDotDotFile")
if err != nil {
t.Fatal(err)
}
defer os.RemoveAll(tmpdir)
src := filepath.Join(tmpdir, "src")
if err := os.MkdirAll(src, 0700); err != nil {
t.Fatal(err)
}
if err := ioutil.WriteFile(filepath.Join(src, "..gitme"), []byte(""), 0644); err != nil {
t.Fatal(err)
}
stream, err := archive.Tar(src, archive.Uncompressed)
if err != nil {
t.Fatal(err)
}
dest := filepath.Join(tmpdir, "dest")
if err := os.MkdirAll(dest, 0700); err != nil {
t.Fatal(err)
}
if _, err := ApplyLayer(dest, stream); err != nil {
t.Fatal(err)
}
}