func TestTarStreamOld(t *testing.T) {
fgp := storage.NewBufferFileGetPutter()
// first lets prep a GetPutter and Packer
for i := range entries {
if entries[i].Entry.Type == storage.FileType {
j, csum, err := fgp.Put(entries[i].Entry.Name, bytes.NewBuffer(entries[i].Body))
if err != nil {
t.Error(err)
}
if j != entries[i].Entry.Size {
t.Errorf("size %q: expected %d; got %d",
entries[i].Entry.Name,
entries[i].Entry.Size,
j)
}
if !bytes.Equal(csum, entries[i].Entry.Payload) {
t.Errorf("checksum %q: expected %v; got %v",
entries[i].Entry.Name,
entries[i].Entry.Payload,
csum)
}
}
}
// next we'll use these to produce a tar stream.
_ = NewOutputTarStream(fgp, nil)
// TODO finish this
}
func TestTarStreamMangledGetterPutter(t *testing.T) {
fgp := storage.NewBufferFileGetPutter()
// first lets prep a GetPutter and Packer
for i := range entries {
if entries[i].Entry.Type == storage.FileType {
j, csum, err := fgp.Put(entries[i].Entry.Name, bytes.NewBuffer(entries[i].Body))
if err != nil {
t.Error(err)
}
if j != entries[i].Entry.Size {
t.Errorf("size %q: expected %d; got %d",
entries[i].Entry.Name,
entries[i].Entry.Size,
j)
}
if !bytes.Equal(csum, entries[i].Entry.Payload) {
t.Errorf("checksum %q: expected %v; got %v",
entries[i].Entry.Name,
entries[i].Entry.Payload,
csum)
}
}
}
for _, e := range entriesMangled {
if e.Entry.Type == storage.FileType {
rdr, err := fgp.Get(e.Entry.Name)
if err != nil {
t.Error(err)
}
c := crc64.New(storage.CRCTable)
i, err := io.Copy(c, rdr)
if err != nil {
t.Fatal(err)
}
rdr.Close()
csum := c.Sum(nil)
if bytes.Equal(csum, e.Entry.Payload) {
t.Errorf("wrote %d bytes. checksum for %q should not have matched! %v",
i,
e.Entry.Name,
csum)
}
}
}
}
func BenchmarkAsm(b *testing.B) {
for i := 0; i < b.N; i++ {
for _, tc := range testCases {
func() {
fh, err := os.Open(tc.path)
if err != nil {
b.Fatal(err)
}
defer fh.Close()
gzRdr, err := gzip.NewReader(fh)
if err != nil {
b.Fatal(err)
}
defer gzRdr.Close()
// Setup where we'll store the metadata
w := bytes.NewBuffer([]byte{})
sp := storage.NewJSONPacker(w)
fgp := storage.NewBufferFileGetPutter()
// wrap the disassembly stream
tarStream, err := NewInputTarStream(gzRdr, sp, fgp)
if err != nil {
b.Fatal(err)
}
// read it all to the bit bucket
i1, err := io.Copy(ioutil.Discard, tarStream)
if err != nil {
b.Fatal(err)
}
r := bytes.NewBuffer(w.Bytes())
sup := storage.NewJSONUnpacker(r)
// and reuse the fgp that we Put the payloads to.
rc := NewOutputTarStream(fgp, sup)
i2, err := io.Copy(ioutil.Discard, rc)
if err != nil {
b.Fatal(err)
}
if i1 != i2 {
b.Errorf("%s: input(%d) and ouput(%d) byte count didn't match", tc.path, i1, i2)
}
}()
}
}
}
func TestTarStream(t *testing.T) {
var (
expectedSum = "1eb237ff69bca6e22789ecb05b45d35ca307adbd"
expectedSize int64 = 10240
)
fh, err := os.Open("./testdata/t.tar.gz")
if err != nil {
t.Fatal(err)
}
defer fh.Close()
gzRdr, err := gzip.NewReader(fh)
if err != nil {
t.Fatal(err)
}
defer gzRdr.Close()
// Setup where we'll store the metadata
w := bytes.NewBuffer([]byte{})
sp := storage.NewJSONPacker(w)
fgp := storage.NewBufferFileGetPutter()
// wrap the disassembly stream
tarStream, err := NewInputTarStream(gzRdr, sp, fgp)
if err != nil {
t.Fatal(err)
}
// get a sum of the stream after it has passed through to ensure it's the same.
h0 := sha1.New()
tRdr0 := io.TeeReader(tarStream, h0)
// read it all to the bit bucket
i, err := io.Copy(ioutil.Discard, tRdr0)
if err != nil {
t.Fatal(err)
}
if i != expectedSize {
t.Errorf("size of tar: expected %d; got %d", expectedSize, i)
}
if fmt.Sprintf("%x", h0.Sum(nil)) != expectedSum {
t.Fatalf("checksum of tar: expected %s; got %x", expectedSum, h0.Sum(nil))
}
t.Logf("%s", w.String()) // if we fail, then show the packed info
// If we've made it this far, then we'll turn it around and create a tar
// stream from the packed metadata and buffered file contents.
r := bytes.NewBuffer(w.Bytes())
sup := storage.NewJSONUnpacker(r)
// and reuse the fgp that we Put the payloads to.
rc := NewOutputTarStream(fgp, sup)
h1 := sha1.New()
i, err = io.Copy(h1, rc)
if err != nil {
t.Fatal(err)
}
if i != expectedSize {
t.Errorf("size of output tar: expected %d; got %d", expectedSize, i)
}
if fmt.Sprintf("%x", h1.Sum(nil)) != expectedSum {
t.Fatalf("checksum of output tar: expected %s; got %x", expectedSum, h1.Sum(nil))
}
}
func TestTarStream(t *testing.T) {
testCases := []struct {
path string
expectedSHA1Sum string
expectedSize int64
}{
{"./testdata/t.tar.gz", "1eb237ff69bca6e22789ecb05b45d35ca307adbd", 10240},
{"./testdata/longlink.tar.gz", "d9f6babe107b7247953dff6b5b5ae31a3a880add", 20480},
{"./testdata/fatlonglink.tar.gz", "8537f03f89aeef537382f8b0bb065d93e03b0be8", 26234880},
{"./testdata/iso-8859.tar.gz", "ddafa51cb03c74ec117ab366ee2240d13bba1ec3", 10240},
}
for _, tc := range testCases {
fh, err := os.Open(tc.path)
if err != nil {
t.Fatal(err)
}
defer fh.Close()
gzRdr, err := gzip.NewReader(fh)
if err != nil {
t.Fatal(err)
}
defer gzRdr.Close()
// Setup where we'll store the metadata
w := bytes.NewBuffer([]byte{})
sp := storage.NewJSONPacker(w)
fgp := storage.NewBufferFileGetPutter()
// wrap the disassembly stream
tarStream, err := NewInputTarStream(gzRdr, sp, fgp)
if err != nil {
t.Fatal(err)
}
// get a sum of the stream after it has passed through to ensure it's the same.
h0 := sha1.New()
tRdr0 := io.TeeReader(tarStream, h0)
// read it all to the bit bucket
i, err := io.Copy(ioutil.Discard, tRdr0)
if err != nil {
t.Fatal(err)
}
if i != tc.expectedSize {
t.Errorf("size of tar: expected %d; got %d", tc.expectedSize, i)
}
if fmt.Sprintf("%x", h0.Sum(nil)) != tc.expectedSHA1Sum {
t.Fatalf("checksum of tar: expected %s; got %x", tc.expectedSHA1Sum, h0.Sum(nil))
}
//t.Logf("%s", w.String()) // if we fail, then show the packed info
// If we've made it this far, then we'll turn it around and create a tar
// stream from the packed metadata and buffered file contents.
r := bytes.NewBuffer(w.Bytes())
sup := storage.NewJSONUnpacker(r)
// and reuse the fgp that we Put the payloads to.
rc := NewOutputTarStream(fgp, sup)
h1 := sha1.New()
i, err = io.Copy(h1, rc)
if err != nil {
t.Fatal(err)
}
if i != tc.expectedSize {
t.Errorf("size of output tar: expected %d; got %d", tc.expectedSize, i)
}
if fmt.Sprintf("%x", h1.Sum(nil)) != tc.expectedSHA1Sum {
t.Fatalf("checksum of output tar: expected %s; got %x", tc.expectedSHA1Sum, h1.Sum(nil))
}
}
}
func TestTarStream(t *testing.T) {
for _, tc := range testCases {
fh, err := os.Open(tc.path)
if err != nil {
t.Fatal(err)
}
defer fh.Close()
gzRdr, err := gzip.NewReader(fh)
if err != nil {
t.Fatal(err)
}
defer gzRdr.Close()
// Setup where we'll store the metadata
w := bytes.NewBuffer([]byte{})
sp := storage.NewJSONPacker(w)
fgp := storage.NewBufferFileGetPutter()
// wrap the disassembly stream
tarStream, err := NewInputTarStream(gzRdr, sp, fgp)
if err != nil {
t.Fatal(err)
}
// get a sum of the stream after it has passed through to ensure it's the same.
h0 := sha1.New()
i, err := io.Copy(h0, tarStream)
if err != nil {
t.Fatal(err)
}
if i != tc.expectedSize {
t.Errorf("size of tar: expected %d; got %d", tc.expectedSize, i)
}
if fmt.Sprintf("%x", h0.Sum(nil)) != tc.expectedSHA1Sum {
t.Fatalf("checksum of tar: expected %s; got %x", tc.expectedSHA1Sum, h0.Sum(nil))
}
//t.Logf("%s", w.String()) // if we fail, then show the packed info
// If we've made it this far, then we'll turn it around and create a tar
// stream from the packed metadata and buffered file contents.
r := bytes.NewBuffer(w.Bytes())
sup := storage.NewJSONUnpacker(r)
// and reuse the fgp that we Put the payloads to.
rc := NewOutputTarStream(fgp, sup)
h1 := sha1.New()
i, err = io.Copy(h1, rc)
if err != nil {
t.Fatal(err)
}
if i != tc.expectedSize {
t.Errorf("size of output tar: expected %d; got %d", tc.expectedSize, i)
}
if fmt.Sprintf("%x", h1.Sum(nil)) != tc.expectedSHA1Sum {
t.Fatalf("checksum of output tar: expected %s; got %x", tc.expectedSHA1Sum, h1.Sum(nil))
}
}
}
